Ka hangaia e au he piripiri polyurethane 2K mō te rakau. He aha te āwhina a te PF-040?
Ka mahi te PF-040 (OH=450, f=3) hei ākena honohono, hei whakanui ake i te piripono me te ātete wera; whakamahia te 10–30% o te polyol katoa.

Kāore i te tino pumau te āhua o taku parenga pahuka rehu. Ka taea e te PF-040 te whakapai ake?
Āe, ko tōna mahi nui (3) me te MW taurite ka whakanui ake i te kiato hononga whakawhiti, ka whakaiti i te whakahekenga; ko te whakamahinga noa he 5–15 phr.

He aha te painga o te PF-040 i runga i te diol paerewa i roto i ngā piripiri hanganga?
He kaha kutikuti teitei ake, he ātete ngokingoki pai ake hoki nā te hanganga mahi-toru.

Me whakaiti e au te matotoru o te piripiri kua whakakīia. Ka taea e te PF-040 te āwhina?
He iti noa te matotoru o te PF-040 (360 mPa·s), e whakapai ake ana i te mākū o te whakakī me te kore e whakaiti i te tauhohenga.

Kāore i te tino pakari te hiri o taku PU. Me pēhea te whakamahi i te PF-040?
Whakakapia te 5–10% o te diol ki te PF-040 hei whakanui ake i te kaha tīmatanga i muri i te whakamaroke.

He pai te PF-040 mō ngā piripiri ārai-makuku kotahi-wāhanga?
Āe, engari nā te mea he mahi-toru, ka whakanui ake i te hononga whakawhiti; whakamahia i ngā taumata iti (2–5%) hei karo i te hononga whakawhiti nui rawa.

He aha te taupū isocyanate noa me whakamahi tahi me te PF-040?
Mō ngā piripiri, tohua te taupū 105–110 hei whakarite i te tauhohenga katoa o ngā rōpū OH.

Ka pakaru taku piripiri i te pāmahana teitei (80°C). Ka taea e te PF-040 te whakapai ake i te ātete wera?
Āe, ka whakanuia te pāmahana whakawhiti karāhe e te hanganga mahi-toru; whakakapia te 20% o te diol ki te PF-040.

He pānga tō PF-040 ki te wā tuwhera?
Ka whakapotohia te wā tuwhera nā te nui ake o te tauhohenga; whakarerekētia te whakakorikori kia rite.

Ka taea te whakamahi i te PF-040 ki roto i ngā grouts polyurethane mō te werohanga i ngā kapiti?
Ae, nā te iti o te matotoru me te kaha tauhohenga e pai ai mō ngā weronga grouts; whakamahia me te whakakorikori tere.

He paninga papa polyurethane taku e hanga ana, ā, he tino ātete ki te pakū. He pēhea te mahi a te PF-450?
Ka homai e te PF-450 (OH=380, MW=450, f=3) he kiriata mārō, he hononga-whiti, ā, he tino ātete ki te kakahu; ko te whakamahinga noa he 40–60 phr.

He iti te kaha pēhi o taku hanganga whakarewa. Ka taea e te PF-450 te whakapai ake?
Āe, whakakapia he diol ki te PF-450 hei whakanui ake i te mātotoru hononga whakawhiti; ka taea te piki ake te kaha mā te 20–30%.

He aha te painga o te PF-450 i te PF-040 mō ngā paninga?
Ko te MW teitei ake (450) ka pai ake te ngāwari me te pupuri tonu i te pakeke; he pakarukaru ake te PF-040.

Ka hangaia e au he piripiri PU e rua ngā wāhanga hei hono i te konganuku. He aha te taumata o te PF-450 e taunakitia ana?
20–40% o te polyol katoa; he pai te piri me te ātete ki te waikura.

Kāore i te rawaka te ātete matū o taku pūnaha papa. Me pēhea te āwhina a te PF-450?
Mā te whakapiki ake i te hononga whakawhiti mai i te PF-450 ka pai ake te ātete ki ngā whakarewa me ngā waikawa.

He hototahi te PF-450 ki ngā prepolymer MDI?
Āe, he tino hototahi; mā te whakamahana i mua ki te 40°C ka whakaitihia te matotoru o te ranunga.

He aha te roa o te ora o te kohua ina whakamahia te PF-450 me te whakakorikori amine paerewa?
I te 25°C, ko te roa o te ora o te kohua he 15–30 meneti, kei te taumata o te whakakorikori.

He pīrori te mata o taku paninga nā te mea kāore anō kia maroke rawa. Ka taea e te PF-450 te whakatau i tēnei?
Mā te mahi teitei ake ka pakari te mata; kia ≥105 te taupū isocyanate.

Ka taea te whakamahi i te PF-450 ki ngā papa polyurethane mō ngā papa ahumahi?
Ae, he pai te rere o te wai, ā, he tere te whakawhanake i te mārō; whakamahia tahi me te taputapu whakakore pahuka.

Ka puta te kōwhai i roto i ngā paninga mārama nā te PF-450?
Kaua e neke atu i ngā polyol polyether paerewa; whakamahia ngā isocyanate aliphatic mō ngā pūnaha kore-kōwhai.

Ka hangaia e au ngā whakarewa elastomer polyurethane me te pakeke taurite (Shore 80A). He pai te PF-1050?
Āe, he pai te taurite o te kaha me te ngāwari o te PF-1050 (MW=1000, f=3); ko te whakamahinga noa he 30–70%.

He pakarukaru rawa taku paninga papa i te rangi makariri. Me pēhea te whakapai ake a te PF-1050 i te ngāwari?
Whakakapia tētahi wāhanga o tētahi polyol poto ake (hei tauira, PF-450) ki te PF-1050 hei whakaiti i te Tg me te whakanui ake i te ngāwari o te pāmahana iti.

He aha te kaha kume noa o te piripiri i hangaia ki te PF-1050?
Mā te MDI me te stoichiometry tika, ka taea te whakatutuki i te kaha kume o te 5–8 MPa.

He mirumiru hau kei roto i taku hanganga whakarewa. He pai te tukunga hau o te PF-1050?
Mā te matotoru ngawari (250 mPa·s) ka pai te tango hau; e taunakihia ana te tango hau mā te korehau.

Ka taea te whakamahi i te PF-1050 i roto i ngā hiri polyurethane mō ngā hononga hangahanga?
Āe, he pai te whakaroa (300–500%) me te whakaora anō hoki; whakamahia tahi me te whakaroa mekameka diol.

He aha te painga o te PF-1050 i tētahi diol o te MW ōrite?
Mā te mahi pai ake ka pai ake te kaha haehae me te ātete wera.

He ngoikore te ātete o taku paninga ki te pānga. Me pēhea te whakapai ake mā te whakamahi i te PF-1050?
Whakanuia te ōwehenga PF-1050 ki te 60–80% o te polyol katoa; ka mimiti te wāhanga roa, ngāwari hoki i te pānga.

He pai te PF-1050 mō ngā matū kohua polyurethane mō ngā taputapu hiko?
Ae, he pai te hanga nā te iti o te matotoru me ōna āhuatanga ārai hiko pai.

He aha te whakataurite i waenganui i te PF-1050 me te Voranol CP 1050?
Whakakapinga tika; ōrite tonu ngā whakaritenga.

Ka pakaru taku piripiri i ngā āhuatanga makuku. Ka taea e te PF-1050 te āwhina?
Kaua e whakamahia tika; whakamahia he tāpiringa tango makuku, whakanuia rānei te taupū isocyanate.

Ka hangaia e au he hiri polyurethane kaha-teitei, he pai te whakaroa. He aha i whiriwhiria ai te PF-2080?
He iti te modulus, he teitei te roa (>600%), ā, he tino pai te whakaoranga o te PF-2080 (MW=8000, f=2).

He ngoikore te kaha o taku piripiri wāhanga-rua mō te takai ngāwari. Ka taea e te PF-2080 te whakapai ake?
Ae, ka whakanui ake te kaha o te kiri i ōna mekameka roa, ngāwari hoki; whakamahia te 30–50% o te polyol katoa.

He aha te matotoru noa o te PF-2080 (3000 mPa·s). Me pēhea te whakahaere?
Whakamahanahia ki te 40–50°C hei whakaiti i te matotoru me te māmā ake o te whakaranu.

Kāore e tino kaha te ātete o taku wāhanga elastomer ki te haehae. Ka taea e te PF-2080 te āwhina?
Hei diol, kāore e tino whakanui ake i te kaha o te roimata; ka honoa ki te polyol trifunctional.

He pai te PF-2080 mō ngā hiri ārai-makuku kotahi-wāhanga?
Āe, nā tōna MW teitei me te tau OH iti (14) ka pai te pumau o te papa me te iti o te whakahekenga.

Kāore e pai te piri o taku hiri ki te raima. Ka taea e te PF-2080 te whakapai ake?
Kaua e whakamahia tika; whakamahia he kaiwhakatairanga piri silane. Ka whakaratohia e te PF-2080 te ngāwari o te papatipu.

He aha te whakaroa mekameka PF-2080 e taunakitia ana mō te elastomer?
1,4-Butanediol, MOCA rānei; ko te ōwehenga noa ko te NCO/OH = 1.05.

He nui rawa te ngokingoki o taku piripiri i raro i te taumaha. Me pēhea te whakatika?
Whakaranua te PF-2080 me te polyol mahi teitei ake pēnei i te PF-450 (ōwehenga 80/20).

Ka taea te whakamahi i te PF-2080 i roto i ngā piripiri polyurethane rewa-wera (HMPUR)?
Ae, ko tōna āhua totoka-haurua i te pāmahana rūma ka āwhina i te whakapakari i te kaha matomato.

Ka whakapūmau te PF-2080 i te pāmahana iti?
Kāo, he polyether kore-āhua; he wai tonu engari he matotoru.

Me whakamahi he hiri ngohengohe, iti te modulus mō ngā hononga whakawhanui. He pai rawa te PF-2120?
Āe, he tino iti te modulus me te roa o te PF-2120 (MW=12000, OH=9.5).

Kāore i te tino ngāwari taku elastomer polyurethane ki te pāwera i te pāmahana iti. Me pēhea te āwhina a te PF-2120?
Ka whakahekehia te Tg e ōna mekameka roa, ngāwari hoki ki raro iho i te -60°C, he mea tino pai mō ngā mahi i te rangi makariri.

He aha te rerekētanga i waenganui i te PF-2080 me te PF-2120?
He nui ake te MW o te PF-2120, he iti ake te tau OH, ā, he ngawari ake, he ngāwari ake hoki.

Me kaha te tihore o taku piripiri wāhanga-rua mō te here rapa. He pai te PF-2120?
Āe, engari whakaranua ki tētahi iti o te mea honohono hei pupuri i te piripono.

Me pēhea te whiwhi i te pakeke o te takutai A ki te 40–50 i roto i te elastomer whakarewa?
Whakamahia te PF-2120 hei polyol matua (80%) me te whakaroa mekameka diol me te MDI.

Ka taea te whakamahi i te PF-2120 i roto i tētahi hiri kotahi-wāhanga me te whakamutu silane?
Āe, he hototahi ki ngā polyurethane kua whakamutua ki te silane (SPUR).

Kāore i te pai te whakaora o taku hiri i muri i te pēhanga. Me pēhea te whakapai ake?
Tāpirihia he 5–10% o te polyol mahi-toru pēnei i te PF-1050 hei whakauru i te hononga whakawhiti pakupaku.

Kia pēhea te roa o te penapena o te PF-2120 i roto i tētahi pūtu hiri?
12 marama te roa ina rongoatia i roto i te maroke me te hauota.

Me whakamahi motuhake te PF-2120 nā te matotoru nui?
Āe, whakamahanahia ki te 50–60°C hei papu; he wai matotoru rawa.

E hototahi ana te PF-2120 ki ngā mea hanga kirihou pēnei i te DINP?
Ae, engari me whakamātau te hototahitanga; he maha ngā wā ka whakamahia me te kore he plasticizer nā te iti o te modulus.

Ka hangaia e au he pahuka papa ngohengohe me te tino iti te mātotoru (14 kg/m³). He aha te āwhina a te PF-3500?
Ka mahi te PF-3500 (OH=35, f=3, EO/PO) hei whakatuwhera pūtau, hei ārai i te mimiti o te pahuka, hei whakapai ake hoki i te āheinga o te manawa.

He puhoi te whakaoranga o taku pahuka maumahara (viscoelastic). Ka taea e te PF-3500 te whakarite i te wā whakaora?
Āe, mā te tāpiri i te 3–8 phr PF-3500 ka whakaitihia te wā whakaora (ka iti ake te puhoi o te whakaora i te pahuka) mā te whakatuwhera i ngā pūtau.

He aha te mahi a te PF-3500 i roto i te pahuka hypersoft?
Ka whakangawari i te pahuka, ka whakanui ake i te rere o te hau, ka whakakore i ngā pūtau piri.

He nui te mimiti o taku pahuka i muri i te tangohanga. E hia te nui o te PF-3500 me tāpiri atu?
Ko te 2–5 phr (i runga i te polyol katoa) ka whakaoti i te whakahekenga me te kore e tino pā ki te pakeketanga.

Ka taea te whakamahi i te PF-3500 i roto i te pahuka pakari-teitei (HR)?
Āe, hei whakapuare pūtau hei whakapai ake i te manawa me te whakaiti i ngā hapa o te mata.

He hototahi te PF-3500 ki ngā pūnaha TDI me MDI?
Ae, he pai te mahi i ngā mea e rua, engari inā koa i ngā pahuka ngāwari e hangai ana ki te TDI.

Kāore i te tino pumau taku hanganga pahuka i te wā e piki ana. Ka kino ake pea te āhua o te PF-3500?
Ka taea e te nui rawa (>10 phr) te hinga; whakamahia te 3–5 phr mō te whakatuwheratanga pai o te pūtau me te kore e whakararuraru.

Ka pāngia te pakeke o te pahuka e te PF-3500?
Āe, ka paku whakaitihia te pakeketanga nā te tuwhera ake o ngā pūtau; ka whakatikatikahia mā te taupū isocyanate teitei ake.

He aha te painga o te PF-3500 i ngā whakapuare pūtau noa pērā i te polibutadiene?
He tino tauhohe, kāore e heke, e puāwai rānei te mata.

Ka taea te whakamahi i te PF-3500 i roto i te pahuka whakarewa mō ngā nohoanga motuka?
Ae, ka whakapai ake i te whakamarie, ka whakaiti hoki i te hiahia mō te kuru ā-ringa.

Ka hangaia e au he MDI whakarerekētia (MDI wai) mō ngā prepolymer. He aha te āwhina a te PF-010?
Ka tauhohe a PF-010 (OH=22, f=3, MW=8000) ki te MDI hei whakaputa i tētahi MDI wai pumau, iti te matotoru, he roa ake te wā e rongoa ai.

Kāore e pai te pupuhi wai o taku paninga polyurethane hydrophilic. Ka taea e te PF-010 te whakapai ake?
Ae, nā tōna hanganga whai rawa i te EO ka nui ake te pai o te wai ki te tinana; whakamahia te 20–50% o te polyol katoa.

He aha te nui o te NCO e wātea ana mō tētahi prepolymer i hangaia ki te PF-010?
8–12% NCO mō ngā elastomers; whakarerekētia i runga i te pakeke e hiahiatia ana.

Me whakamahi au i tētahi polyurethane wai-marara mō ngā paninga kakahu. He pai te PF-010?
Ae, mā ōna wāhanga EO hydrophilic ka taea te whakaemulsification-ake i roto i te wai.

Me nui te mimiti wai mō taku hanganga hydrogel. Me pēhea te whakamahi i te PF-010?
Hei hononga whakawhiti (f=3) me ngā PEG diol hei waihanga i tētahi whatunga ka taea te pupuhi.

Ka taea te whakamahi i te PF-010 i roto i ngā hiri polyurethane hei whakapai ake i te piri ki ngā mata mākū?
Ae, ko tōna āhua wai-pai ka āwhina i te tango i te makuku o te mata, ka pai ake te piri.

He aha te painga o te PF-010 i te Voranol IP 010?
Whakakapinga tika; mahi ōrite tonu.

He tino matotoru taku prepolymer. Me pēhea taku whakaiti?
Whakamahia anake te PF-010, whakaranua rānei ki te diol iti-matotoru; whakamahanahia ki te 60°C.

Ka puta te waikura i roto i te polyurethane nā te PF-010?
Ka taea e ngā polyol whai EO te kukume i te wai; kia pai ai te maroke, ā, ka whakamahia hoki ngā isocyanate pumau.

He pai te PF-010 mō te pahuka polyurethane he nui te mimiti wai (hei tauira, mō ngā hautai)?
Ae, engari me hono tahi me tētahi hononga honohono mahi-teitei kia mau tonu ai tōna āhua.

He iti te kaha o te haehae o ngā kapu hū polyurethane e hangaia ana e au. Me pēhea te āwhina a te PF-2802?
He diol tauhohe-teitei te PF-2802 (OH=28, MW=4000, EO/PO) e whakanui ana i te kaha haehae mā te whakapai ake i te wehenga ā-wāhanga; whakamahia te 30–50%.

He aha te tikanga o te "tauhohenga teitei" mō te PF-2802?
Kei roto ngā taupoki pito EO, e hanga ana i ngā rōpū hydroxyl tuatahi (~80%), e tere ake ai te tauhohe ki ngā isocyanates.

He roa te wā whakaweto o taku pūnaha kapu hu (5 meneti). Ka taea e te PF-2802 te whakapoto?
Āe, nā tōna kaha tauhohenga nui ka whakaitihia te wā tango matū ki te 2–3 meneti i te 50°C.

He hototahi te PF-2802 ki ngā pūnaha kapu hū MDI me TDI?
Ka tino pai te mahi me te MDI; ka tino ātete ki te pakū.

He aha te whakaroa mekameka PF-2802 e taunakitia ana?
1,4-Pūtanediol, ethylene glycol rānei; ko te NCO/OH noa = 1.02–1.05.

He ngoikore te kaha kume o taku wāhanga elastomer. Ka taea e te PF-2802 te whakapai ake?
Ae, nā tōna taumaha ngota ngota teitei me te OH tuatahi ka piki ake te hototahitanga o ngā wāhanga mārō, ka whakapiki ake i te kaha kume ki te 30–40 MPa.

He aha te whakataurite i waenganui i te PF-2802 me te Voranol EP 1900?
Whakakapinga tika; ngā āhuatanga noa anō.

Ka taea te whakamahi i te PF-2802 i roto i ngā hiri polyurethane kia tere ai te whakamaroke?
Āe, engari ka whakapoto pea i te wā tuwhera; whakamahia me te whakakorikori huna.

Me nui ake te piri o taku piripiri (kaha matomato) i te tīmatanga. Ka āwhina te PF-2802?
Āe, nā te tere o te tauhohenga ki te isocyanate, ka nui haere te kaha o te kākāriki i roto i ngā meneti.

Me whai wāhi motuhake ki te rokiroki mō te PF-2802?
Kāo, engari me waiho kia maroke (<0.05% wai) hei karo i ngā pānga kino.

He rauemi hiato taku e hangaia ana (hei tauira, he polyurethane kua whakapakarihia ki te muka karāhe). He aha i whiriwhiri ai koe i te Y-950?
He tino tiketike te mātotoru o te hononga whakawhiti a te Y-950 (OH=950, MW=180, f=3), e whakarato ana i te kaha ā-ringa me te ātete wera.

He iti te kaha piko o taku rauemi whakarewa mō ngā ārai hiko. Me pēhea te whakapai ake a Y-950?
Whakamahia te Y-950 hei polyol matua (60–80%); ka taea e te kaha piko te neke atu i te 100 MPa.

He aha te matotoru noa o te Y-950 (6750 mPa·s)? Me pēhea te tukatuka?
Whakamahanahia ki te 50–60°C; he tino matotoru engari he mea nui mō ngā wāhanga kaha nui.

He pai te Y-950 mō ngā matū kohua polyurethane e hiahia ana ki te pakeketanga teitei (Shore D >80)?
Āe, honoa ki te MDI me ngā whakaroa mekameka poto diol.

Kāore i te pai te pāmahana whakararuraru wera (HDT) o taku wāhanga hiato. Ka taea e Y-950 te whakanui ake?
Āe, ka taea e te HDT te eke ki te 150°C mēnā he tika te hanganga.

Ka pakarukaru te papanga Y-950?
Ka whakanui ake i te kaha engari ka whakanui ake hoki i te pakarukaru; whakaranua ki te diol ngāwari hei whakapakari.

Ka taea te whakamahi i te Y-950 i roto i ngā piripiri polyurethane hei hononga hanganga o te konganuku?
Āe, he tino kaha te kutikuti i te taha o raro (>20 MPa).

He aha te taupū isocyanate e taunakitia ana mō te Y-950?
105–110 hei whakarite kia ora katoa; ka whakanuia e te taupū teitei te hononga whakawhiti.

He hototahi te Y-950 ki ngā kapia epoxy mō ngā pūnaha ranu?
He iti noa iho; tera pea ka puta he wehenga ā-wāhanga. Whakamātauria te hototahitanga i te tuatahi.

He roa te ora o taku mahi hanga i roto i te kohua. Me pēhea te whakamahi i te Y-950?
Whakamahia he whakakorikori whakaroa, ā, kia iti te pāmahana o te ranunga (20–25°C).

Me whakamahi au i te polyol mō ngā whakarewa polyurethane kaha-teitei me te matotoru ngawari. He kōwhiringa pai te PF-3075?
He nui te hononga whakawhiti a te PF-3075 (OH=750, MW=220, f=3), he iti ake te matotoru i te Y-950 (5750 vs 6750), ā, he māmā ake te tukatuka.

Ka pakaru taku piripiri hanganga i te pānga. Ka taea e te PF-3075 te whakapai ake i te ātete pānga?
Ae, ko tōna tuara trimethylolpropane e whakarato ana i te pakari; he ranunga 50/50 me te diol ngāwari.

He aha te awhe pakeke e taea ana te whakatutuki me te PF-3075?
Te takutai D 70–85 i runga i te isocyanate me te whakaroa mekameka.

Me nui ake te ātete o taku paninga ki te whakarewa. Me pēhea te whakamahi i te PF-3075?
Whakakapia te 20–30% o te polyol matua ki te PF-3075 hei whakanui ake i te kiato hononga whakawhiti.

He pai te PF-3075 mō te whakamahi i ngā kohua polyurethane mō ngā taputapu hiko?
Ae, he pai te kawe wera, ā, he iti hoki te mimiti.

He aha te whakataurite i waenganui i te PF-3075 me te PF-450?
He nui ake te OH o te PF-3075 (750 vs 380) me te MW iti iho, ka puta he hua mārō ake, he pakarukaru ake hoki.

Me tere ake te wetewete i taku rauemi hiato. Ka taea e te PF-3075 te whakateretere i te maroke?
Āe, ka nui ake te tauhohenga o te matū nā te nui o te tau OH; ka taea te roa o te wā tango matū i te 80°C, arā, 10–15 meneti.

Ko tēhea whakaroa mekameka e tino pai ana mō te PF-3075?
Ngā diol poto pēnei i te 1,4-BDO, te EDO rānei; karohia ngā mekameka whakaroa roa.

Ka puta ngā raruraru exotherm i te PF-3075 i roto i ngā whakarewanga nui?
Āe, he tino teitei; whakamahia te tāpiri puhoi, te whakaranu rānei i ngā taahiraa maha.

Ka taea te whakamahi i te PF-3075 ki ngā piripiri whakakikorua polyurethane?
Āe, mō ngā papa whakarakei pakari (hei tauira, ngā panera hanawiti pahuka-konumohe).

Ka whakaputa ahau i te pahuka papa matotoru (HR) mō ngā moenga. Me pēhea te whakapai ake a te PF-628 i te whakamarie?
Ka homai e te PF-628 (OH=28, f=6, MW=12000) he pikinga teitei (70–80%) me te tauwehe tautoko tino pai.

Kāore i te rite taku pahuka PU ki te rapa ki te "pekepeke" o te rapa tūturu. Ka taea e te PF-628 te āwhina?
Ae, nā te mea he tino whaihua, he teitei hoki te MW, ka puta he whatunga tino ngāwari, e whai ana i te āhua o te rapa.

He aha te taumata whakamahinga noa o te PF-628 i roto i te pahuka HR?
10–30% o te polyol katoa; ki te nui rawa ka pakaru te pahuka nā te matotoru rawa.

He ngoikore te pakari o taku pahuka (ka ngaro te teitei i muri i te pēhitanga maha). Me pēhea te whakapai ake i te PF-628?
Ko tōna hanganga mahi-ono ka whakanui ake i te manawanui me te whakaiti i te huinga pēhanga pumau.

E hototahi ana te PF-628 ki ngā tāpiringa pahuka HR paerewa (hei tauira, DEOA, silicone)?
Āe, he tino hototahi; whakamahanahia ki te 30°C kia māmā ake ai te whakaranu.

He aha te painga o te PF-628 i tētahi polyol mahi-toru o te MW rite tonu?
Mā te mahi pai ake ka pai ake te kaha ki te kawe kawenga me te whakaora.

Kāore taku pahuka i eke ki te whakamātautau pekepeke pōro (me neke atu i te 65%). Ka taea e te PF-628 te eke ki te 70%?
Āe, i te 20–30 phr, ka taea e te rebound te eke ki te 70–75%.

Ka whakanui ake rānei te PF-628 i te mātotoru o te pahuka?
Kāo, engari me nui ake te wai, te pūwero rānei hei pupuri i te matotoru e hiahiatia ana nā te mea he nui ake te matotoru.

Ka taea te whakamahi i te PF-628 i roto i te pahuka whakarewa mō ngā nohoanga motuka?
Ae, ka whakapai ake i te whakamarie o te eke, ka whakaiti hoki i te ngenge.

Kia pēhea te roa o te oranga o te PF-628?
E ono marama te roa i roto i te pūwero hiri; he matotoru engari he pumau.

Ka hangaia e au he pahuka polyurethane mārō mō te whakamahana paipa, ā, me hiahia he polyol tere-tauhohe. He aha i whakamahia ai te PF-800?
Ka whakakorikori-aunoa te PF-800 (OH=800, f=4, he mea hanga ki te amine kakara), ka whakaiti i te hiahia mō ngā whakakorikori amine kaha.

Me tere te kaha o taku piripiri mō ngā hanganga hanganga. Me pēhea te āwhina a te PF-800?
Nā te kaha o te tauhohenga me tōna āhua aunoa-whakakorikori ka taea te whakamaroke i te pāmahana rūma i roto i ngā meneti.

He aha te tikanga o te kupu "AFFA" i roto i te PF-800?
He polyol kakara-amine (hei tauira, i tīmatahia e te TDA, MDA rānei), e whakarato ana i te mahi whakakorikori ā-roto.

Kāore e pai te piri o taku pahuka mārō ki te konganuku. Ka taea e te PF-800 te whakapai ake i te piri?
Ae, ka whakarei ake ngā rōpū amine kakara i te mākū o te mata me te hononga matū.

He aha te taupū isocyanate noa mō te PF-800 i roto i te pahuka mārō?
120–150 mō te PUR; 250–350 mō te PIR.

Ka puta te rerekētanga o te tae i roto i te pahuka i te PF-800?
Ka taea e ngā polyol amine kakara te whakakōwhai i te tae; kāore i te tūtohutia mō ngā pahuka tae mārama.

He iti te mimiti wai e hiahiatia ana e taku pūnaha whakarewa mō ngā wāhanga hiko. He pai te PF-800?
Ae, ka whakaitihia te mimiti wai e tōna tuara pakari ki te whakataurite ki te polyether diols.

Ka taea te whakamahi i te PF-800 hei hanga pahuka rehu mō te tuanui?
Ae, mā tōna tere tauhohenga ka whakaitihia te totohu i runga i ngā mata poutū.

He aha te matotoru o te PF-800 (17000 mPa·s). Me pēhea te whakahaere?
Whakamahanahia ki te 60°C; whakamahia ngā papu taputapu.

He hototahi te PF-800 ki ngā matū pupuhi pentane?
Āe, engari nā te teitei o te polarity, me whakamahi pea he whakarewa-tahi pēnei i te surfactant.

Ka hangaia e au he papa raima PIR tonu mō te whakamahana whare. He pai te PF-1380?
He tino pai te ātete mura me te pumau o ngā āhuatanga o te PF-1380 (he mea hanga ki te sukrose, OH=280, f=7, MW=1380).

He ngoikore te hanganga pūtau o taku pahuka rehu mārō mō te whakamahana paipa. Me pēhea te whakapai ake i te PF-1380?
Ko tōna mahi nui (7) ka whakaputa i ngā pūtau angiangi, kati, ka whakaiti i te kawe wera.

He aha te painga o te PF-1380 i runga i te polyol e ahu mai ana i te glycerol i roto i te pahuka mārō?
He pai ake te ātete ki te wera me te ngoikore o te pakarukaru nā te nui ake o te mātotoru o te hononga whakawhiti.

He ngoikore te kaha pēhi o taku pahuka. Ka taea e te PF-1380 te whakanui ake?
Āe, whakakapia te 30–50% o te polyol iti iho te mahi; ka taea te whakaneke rua i tōna kaha pēhi.

He hototahi te PF-1380 ki ngā matū pupuhi hauwai (cyclopentane)?
Āe, engari nā te matotoru rawa, whakaranua ki tētahi matū horoi i mua.

He aha te nui o te wai i roto i te PF-1380 (≤0.15%)? He aha te pānga ki te pahuka?
Ka tauhohe te wai ki te isocyanate hei whakaputa i te CO₂; kia iti iho i te 0.15% hei karo i ngā rerekētanga mātotoru.

Kāore e pai te piri o taku pahuka rehu ki te maitai. Ka taea e te PF-1380 te āwhina?
Mā te nui o te hydroxyl e whakapai ake te mākū; whakamahia he whakatairanga piri silane mō ngā hua pai rawa atu.

Ka puta te wera nui i roto i ngā wāhanga matotoru nā te PF-1380?
Āe, nā te kaha o te tauhohenga; whakamahia ki ngā papa angiangi, ki ngā whakakorikori exotherm iti rānei.

Ka taea te whakamahi i te PF-1380 hei whakamahana i te pouaka whakamātao ringihia-ki-te-wāhi?
Ae, he tino pai te rere o te wai, ā, he iti te k-factor.

He aha te whakataurite i waenganui i te PF-1380 me te Voranol 280?
Whakakapinga tika; ōrite tonu ngā whakaritenga.

E hiahia ana ahau ki tētahi pahuka pakari mahi-teitei me te ātete ahi tino pai (Akomanga B1). He aha ai me whakamahi te PF-585?
He tuarā kakara tō te PF-585 (novolac polyol) ka hangaia he waro i te wā o te ahi, ka whakaiti i te horapa o te mura.

He nui rawa te mātotoru o te paowa o taku papa PIR tonu. Ka taea e te PF-585 te whakaiti i te paowa?
Ae, ka iti ake te whakaputanga paowa o ngā novolac polyols ki te whakataurite ki ngā sucrose polyols.

He aha te matotoru noa (12000 mPa·s) o te PF-585. Me pēhea te tukatuka?
Whakamahanahia ki te 60–70°C; whakamahia ngā pane whakaranu kua wera.

He hototahi te PF-585 ki ngā whakakorikori trimerization paerewa (K15, K2097)?
Āe, engari me whakarite kia teitei ake te taumata whakakorikori nā te waikawa o te novolac.

Kāore i te tino pumau te āhua o taku pahuka i muri i te whakamahanatanga i te wera (70°C). Ka taea e te PF-585 te whakapai ake?
Ae, he nui te kakara o tēnei mea, ā, he tino pai te ātete ki te wera tae atu ki te 180°C.

He aha te taupū isocyanate e taunakitia ana mō te PF-585 i roto i te pahuka PIR?
300–400; ka pai ake te mahi ahi mā te taupū teitei ake.

Ka waikura rānei ngā mata whakarewa i te PF-585?
Kāo, ki te tika te hanganga; he iti te tau waikawa toenga.

He iti te mimiti wai e hiahiatia ana mō taku pahuka rehu mō ngā mahi moana. He pai te PF-585?
Ae, ka whakaitihia e tōna hanganga kakara wai-aroha te mimiti wai.

Ka taea te whakaranu i te PF-585 me ngā polyol sucrose?
Āe, hei whakataurite i te utu me te mahi; hei tauira, 50/50 me te PF-1380.

Kia pēhea te roa o te oranga o te PF-585?
6 marama mēnā ka puritia kia maroke; he tairongo ngā novolac polyols ki te makuku.

Me whakamahi au i tētahi polyol hydrophilic mō ngā hydrogels polyurethane. He aha i whiriwhiri ai i te PEG1000?
He pai te wairewatanga o te PEG1000 ki te wai, ā, ka taea te mimiti i te wai tae atu ki te 500%; he mea tino pai mō ngā takai patunga.

Me whakamahi he hinu whakamakuku mō taku hanganga ārai-tūmomo kakahu. Ka taea e te PEG1000 te āwhina?
Āe, ka kukume te PEG1000 i te makuku, ka whakaiti i te hanga pūmau; whakamahia te 1–5% ki ngā kaukau whakaoti.

He aha te rerekētanga i waenga i te PEG1000 me te PEG2000 i roto i ngā kaihoko tuku rapa?
He wai te PEG1000, he māmā ake te rehu; he totoka te PEG2000, e whakamahia ana i roto i ngā wai rewa wera.

Me whai wāhanga wai-kore-ionic taku polyurethane dispersion (PUD). Me pēhea te whakamahi i te PEG1000?
Tāpirihia te PEG1000 hei wāhanga ngohengohe (10–20%) hei whakapai ake i te mararatanga ki roto i te wai.

Ka taea te whakamahi i te PEG1000 hei hinu whakahinuhinu i roto i ngā wai mahi whakarewa?
Ae, ka whakaratohia he whakahinuhinu rohe me te whakamatao me te kore e toe he toenga.

Me ātete taku piripiri mō ngā tapanga pepa ki te makuku. He pai te PEG1000?
Kāo, he mea pai ki te wai; whakamahia he polyol pai ki te wai hei whakakapi.

He aha te nui o te K⁺ (≤5 ppm) i roto i te PEG1000?
He mea nui te iti o te pāhare pāporo mō ngā tono hikohiko; ka tutuki tēnei i te MOFAN PEG.

Ka puta te kōwhai i roto i ngā elastomers polyurethane nā te PEG1000?
Kāo, he pumau i raro i ngā āhuatanga noa, engari karohia ngā pāmahana teitei (>150°C) mō te wā roa.

Me whakamahi he wairewa mō taku ranunga whakapaipai. Ka taea te whakamahi i te PEG1000?
Ae, he ngawari, kāore e whakapataritari, e whakamahia ana i roto i ngā kirīmi me ngā hinu kiri.

He pai te PEG1000 mō ngā whakamahinga pa-kore ā-tikanga ki te kai?
Āe, kei te wātea ngā tohu e tutuki ana i ngā whakaritenga a te FDA; tirohia ngā ture motuhake.

He mea hanga e au he piripiri polyurethane totoka mō te hanga hu. He aha ai te whakamahi i te PEG2000?
He totoka te PEG2000 i te pāmahana rūma, e tere ai te pakari matomato, ā, he iti hoki te matotoru rewa (60–80°C).

Me pai te ngāwari o te kiriata me te wairewa o taku taputapu whakarārangi kakahu. He pēhea te mahi a PEG2000?
Ka hangaia he kiriata ngāwari, wairewa-wai; ko te rahi o ngā whakatakotoranga e whakamahia ana he 5–10%.

He aha te painga o PEG2000 i te PEG1000 mō te tukunga pokepokea rapa?
Ka taea te whakamahi i te PEG2000 totoka hei whakarewa wera, hei whakarewa rānei ki te wai; ka puta he kiriata matotoru ake, he pakari ake.

Me nui te mimiti wai mō taku pahuka polyurethane mō ngā hautai. Ka taea te whakauru i te PEG2000 hei wāhanga?
Āe, whakaranua ki te diisocyanate prepolymer hei hanga i te pahuka ka taea te whakawhanui i te wai.

He pai te PEG2000 mō ngā turanga hinu rongoā?
Āe, e whakamahia ana hei turanga wairewa-wai mō ngā kirimi pani.

Me whakamahi he mea whakaiti wai mō taku ranunga raima. E mahi ana a PEG2000?
Kāore i te tika; ka whakamahia te PEG hei whakaiti i te mimiti, ehara i te mea hei hanga i te superplasticizer.

He aha te pae rewa o PEG2000?
Tata ki te 50–54°C; ka whakangawari i mua i te rewa.

Ka taea te whakamahi i te PEG2000 hei rauemi whakarerekētanga ā-wāhanga (PCM) mō te rokiroki wera?
Āe, ko tōna enthalpy rewa he ~170 J/g; he pai mō te rokiroki i te pāmahana iti.

Me whai āhuatanga werawera taku hononga uku. He pai te PEG2000?
Ae, ka tahuna pai i te 300–400°C, kāore he pungarehu e toe ana.

Ka mimiti te PEG2000 i te makuku mai i te hau?
Āe, he waiora te wai; rongoatia ki roto i ngā ipu hiri.

Me whakamahi au i tētahi PEG kirikiri hei whakangawari i te whakaranu ki ngā paninga paura. He pai te PEG3000?
Ae, ka taea te whakaranu maroke i ngā kirikiri PEG3000; ka whakamahia hei hinu whakahinuhinu me te āwhina rere.

Me whakamahi he āwhina tukatuka mō taku rapa hei whakaiti i te piri. Me pēhea te whakamahi i te PEG3000?
Tāpirihia te 1–3 phr i te wā e whakaranua ana; ka heke ki te mata, ā, ka mahi hei ārai i te whakapiri.

He aha te uara hydroxyl noa o PEG3000?
32–35 mgKOH/g; he pai mō ngā paninga polyurethane iti-hononga.

Me whakapai ake te kanapa o taku paninga pepa. Ka taea e PEG3000 te āwhina?
Āe, hei mea whakataurite; whakamahia te 0.5–2% i runga i te tapeke o ngā totoka.

He pai te PEG3000 mō te hanga i ngā elastomers polyurethane taumaha-ngota teitei?
Āe, engari hei wāhanga ngohengohe anake; whakamahia me te diisocyanate me te whakaroa mekameka.

Me whakamahi he matū horoi kore-ionic mō taku wai whakarewa. E mahi ana a PEG3000?
He iti te kaha o tōna mata; he pai ake te whakamahi i ngā PEG esters (hei tauira, PEG3000 dioleate).

He aha te whakaritenga mō te nui o te wai (≤0.15%)? Me pēhea te whakarite?
He ≤0.15% te wai o te MOFAN PEG; rongoatia ki te wāhi maroke.

Ka taea te whakamahi i te PEG3000 i roto i ngā miro tānga 3D (hei mea hanga kirihou)?
Ae, engari he pai ki te wai; ka raru pea te mimiti o te makuku.

Me hohonu te urunga o taku piripiri mō ngā papa porowhita. He matotoru rawa te PEG3000?
Whakamahanahia ki te 60°C hei whakaiti i te matotoru kia pai ake ai te uru.

Ka pirau te PEG3000?
Ae, he ngāwari noa iho te pirau.

He papanga anti-stat taku e hangaia ana e au, ā, me pakari. He aha ai te take e whakamahia ai te PEG6000?
He pai ake te roa o te kiriata ina nui ake te taumaha ngota, ā, he iti ake te hekenga; whakamahia te 2–5%.

Me whakamahi taku kaihoko tuku rapa i tētahi PEG taumaha-rahi hei hanga i tētahi kiriata pakari. He pai te PEG6000?
Ae, he tino pai te tukunga o te rapa me te pahuka; whakamahia hei otinga ki te wai.

He aha te painga o te PEG6000 i te PEG3000 mō ngā aukati waikura whakarewa?
Ka hanga e te PEG6000 he kiriata tiaki matotoru ake, ka roa ake te mau i raro i ngā āhuatanga makuku.

Me whakapai ake taku tāpiri pepa me te penupenu i te kaha mākū. Ka taea e PEG6000 te āwhina?
Kāore e whakamahia tika; e whakamahia ana hei tango waituhi, hei hinu whakahinuhinu paninga rānei.

He pai te PEG6000 mō ngā electrolytes polymer totoka i roto i ngā pākahiko?
Ae, ka taea te hono atu ki ngā tote lithium hei kawe hiko ionic.

Me whakaiti te waku e taku taputapu huri mō ngā mea whakakoi. Me pēhea te whakamahi i te PEG6000?
Tāpirihia te 0.5–2% hei hinu whakahinuhinu i te wā e huri ana.

He aha te āhua o te PEG6000?
He kirikiri mā; ka rewa hei wai mārama i runga ake i te 60°C.

He iti noa te mimiti o taku ranunga kohua polyurethane. Ka taea e te PEG6000 te whakaiti?
Ae, mā tōna tauhohenga iti me tōna MW nui ka whakaiti i te whakahekenga o te polymerization.

Ka puta te pua o te mata o te rapa i te PEG6000?
Ki ngā taumata tiketike (>3 phr), ka puāwai pea; kia mau ki raro i te 2 phr.

Kua whakaaetia te PEG6000 mō ngā rauemi e pā ana ki te kai?
Āe, me te tutuki i ngā whakaritenga e tika ana mō te taumata kai.

Me whai PEG taumaha-ira tino teitei mō ngā here papa rongoā. He pai te PEG10000?
Ae, he kaha te here me te tukunga whakahaere; e whakamahia ana i roto i ngā whakatakotoranga tukunga roa.

Ko taku hinu whakahinuhinu wai mō ngā taputapu hauora me whai matotoru teitei, ā, he iti hoki te paitini. He pēhea te mahi a PEG10000?
He tino pai te whakahinuhinu, ā, he hototahi ki ngā koiora; whakamahia ngā otinga 10–20%.

He aha te painga o PEG10000 i te PEG6000 i roto i ngā kirimi whakapaipai?
He kaha matotoru ake, he māeneene hoki te kiri.

Me kaha rawa te kaha o taku hononga whakarewa uku. Ka taea e PEG10000 te āwhina?
Ae, he tino pai te kirihou, ā, ka tahuna ma.

He pai te PEG10000 hei rauemi whakawhiti āhua totoka-totoka?
Āe, te ira rewa ~64°C, te wera o te hanumi ~180 J/g.

Me whakamahi he ātete paheke mō taku paninga pepa. Me pēhea te whakamahi i te PEG10000?
Tāpirihia hei wai rewa wera, hei wai whakamarara rānei; 0.5–2% ki te taumaha o te paninga.

He aha ngā āhuatanga o te paura o PEG10000?
Paura mā; ka memeha haere; penapena i raro i te 30°C.

Ko taku pahuka polyurethane mō te whakamahinga hauora me kore e pāngia e te paitini. Ka taea te whakamahi i te PEG10000?
Āe, kei te wātea te taumata USP/EP; e whakamahia ana i roto i ngā hydrogel.

Ka pā mai rānei he riri ki te kiri i te PEG10000?
Kāo, kāore e whakapataritari i te kiri, ā, kāore hoki e pāwera ai te tinana.

Me whai kaikawe pai te whakamākū o taku ranunga whakakanapa whakarewa. He pai te PEG10000?
Ae, engari me rewa i mua i te wai mahana.

Me whiwhi au i te PEG taumaha ngota teitei rawa mō te tukunga rongoā tukunga pumau. He pai te kōwhiringa PEG20000?
Āe, ko te PEG20000 te mea tino puhoi te tere whakarewa; he mea tino pai mō ngā whakatakotoranga kotahi i te rā.

Me whakamahi he pūmua matotoru, kore-ionic mō taku hanganga maimoatanga wai. He pēhea te mahi a PEG20000?
Ka whakanui ake i te matotoru o te wai, engari kāore he taunekeneke ioniki; whakamahia te 1–3% mō te matotoru nui.

He aha te painga o PEG20000 i roto i te tukunga pokepokea rapa?
Ka hanga i tētahi kiriata pakari, kore-piripiri e ātete ana ki ngā huringa hanga maha.

Me kaha rawa te miihini o taku electrolyte polymer totoka mō te pākahiko lithium. Ka taea te whakamahi i te PEG20000?
Ae, engari he tioata i te pāmahana rūma; whakaranua ki te PEG iti-MW, ki ngā mea whakapūmau kirihou rānei.

He pai te PEG20000 hei hinu whakahinuhinu mō te hanga konganuku tere-rahi?
Āe, ka whakamahia hei wai rewa wera, hei wai marara rānei; ka whakarato i te kaha kiriata tino pai.

Me whai pānga ārai-pūmau pumau taku whakaotinga kakahu. Ka taea e PEG20000 te whakarato i tēnei?
Ka whakaitihia e tōna MW teitei te hekenga, ka roa ake te pānga.

He aha te pae rewa o PEG20000?
Tata ki te 66–68°C; teitei ake i ngā PEG MW iti iho.

Me whai hononga e mura puhoi ana taku whakarewanga uku. He pai te PEG20000?
Ae, mā te puhoi o te pirau ka taea te whakahaere i te weranga me te kore e pakaru.

E rite ana te nui o te mimiti o te makuku ki te mimiti a te PEG20000, pērā i te mimiti a ngā PEG iti iho te MW?
Kāore i te tino waiora nā te iti o te ōwehenga papatipu o ngā rōpū pito; me penapena tonu i roto i te wā maroke.

Me whai paparanga wai-rewa taku piripiri hauora. Ka taea te whakamahi i te PEG20000?
Ae, ka taea te maka ki roto i ngā kiriata hei whakapiri kiri rangitahi.