Ko tēhea Whakakōkī Polyurethane e Whakaputa Hua Pai Ake ana i te Tau 2026 DMDEE, ētahi atu rānei
I te tau 2026, ko te DMDEE, tae atu ki te MOFAN DMDEE me te tohu matū6425-39-4, e matapaetia ana ka noho tonu hei kaiwhakaoho matua mō te hanga polyurethane. Mā te whiriwhiri i te kaiwhakaoho tika ka hanga te kounga me te haumaru o te hua.
| Tauwehenga | Whakaahuatanga |
|---|---|
| Momo pūnaha polyurethane | He rerekē ngā mahi whakakorikori me ngā kōwhiringa e hiahiatia ana e ngā pūnaha rerekē. |
| Kōtaha tauhohenga e hiahiatia ana | Me tutuki i te whakakorikori te tere tauhohenga me te wā whakawaiwai e hiahiatia ana. |
| Ngā tikanga tukatuka | Ka pā te pāmahana me ngā taputapu ki te whai huatanga o te whakakōkī. |
| Ngā ture taiao | Ko ngā ture e akiaki ana i te hiahia mō ngā whakakorikori VOC-iti me ngā tukunga-iti. |
| Utu | He mea tino nui te utu mō te whakakorikori, inā koa i ngā tono nui. |
| Paitini | He mea nui ngā āhua paitini iti mō te haumaru me te pānga ki te taiao. |
| Hototahi ki ngā tāpiringa | Me hototahi te whakakorikori ki ētahi atu tāpiringa hanga hei karo i ngā raruraru mahi. |
Te Tūranga o te Kaiwhakakorikori i roto i te Polyurethane
He aha te Hiranga o te Kōwhiringa Catalyst
Hehe wāhanga matua te whakakorikorii roto i te hanga polyurethane. Ka tere ake te tauhohenga matū i waenga i ngā wāhanga matua, ka āwhina i ngā kaihanga ki te whakahaere i te tere o te hanganga o te rauemi. Mā te whiriwhiri i te whakakorikori ka taea te whakarerekē i te tere tauhohenga, te wā e pau ana kia whakapūmau te pahuka, me te kounga whakamutunga o te hua.
He nui te pānga o te kōwhiringa o ngā whakakōkī ki ngā tere tauhohenga me ngā āhuatanga o ngā hua polyurethane. Hei tauira, ko ngā whakakōkī tuku iho pērā i ngā amine tuatoru me ngā matū whakakoi-whakarewa ka whakaatu i ngā tere tauhohenga koretake. Tērā pea ka roa ake te wā whakamaroke me te ngoikore o ngā āhuatanga miihini. Ko ētahi whakakōkī ka mahi pai i ētahi pāmahana anake, ka raru pea mēnā ka rerekē ngā āhuatanga o te tukanga. Ka āwhina te whakakōkī tika ki te whakataurite i te wā tire me te wā whakamaroke, ka pā ki te pai o te piri o te hua whakamutunga me te roa o tōna pumau.
Pānga ki ngā Āhuatanga o te Huka
Ehara i te mea ko te tere o te hanganga o te polyurethane anake te pānga o te whakakorikori engari ko tōna kaha me tōna roa hoki. E whakaatu ana ngā rangahau ko te taumata whakakorikori tika, i waenga i te 0.5% me te 3% o te ranunga katoa, ka puta ngā hua pai rawa atu. Ki te nui rawa te whakakorikori ka pakarukaru te pahuka, ka whakaiti hoki i tōna kaha ki te ārai. Ki te iti rawa ka ngoikore, ka koretake hoki te pahuka.
- Ka pā te kōwhiringa whakakorikori ki:
- Te tere o te whakamaroke me te kounga o te pahuka
- Te kaha me te manawanui o te miihini
- Ngā āhuatanga mātotoru me te whakamarumaru
Mā te whiriwhiri i te whakakorikori tika ka tutuki i ngā hua polyurethane ngā hiahia o ngā momo ahumahi rerekē, mai i te hanga ki te motuka.
Tirohanga Whānui o te DMDEE
Kōtaha Matū me ngā Āhuatanga
DMDEE, e mōhiotia ana ko2,2-dimorpholinodiethylether, he whakakorikori amine tuatoru e whakamahia whānuitia ana i roto i te hanga pahuka polyurethane. E tū pakari ana te MOFAN DMDEE mō tōna parakore teitei me te kounga pumau. Ka puta te hua hei wai kore tae ki te kōwhai mārama, ā, ka uru katoa ki te wai. Ka tākaihia ki roto i ngā ipu 200 kg, ka taea rānei te whakarite kia tutuki ai ngā hiahia hanga motuhake. E whakarāpopoto ana te ripanga i raro nei i ngā āhuatanga matū me ngā āhuatanga ā-tinana matua o te MOFAN DMDEE:
| Taonga | MOFAN DMDEE |
|---|---|
| Ingoa matū | 2,2′-dimorpholinyldiethyl ether |
| Tau CAS | 6425-39-4 |
| Tātai ngota | C12H24N2O3 |
| Taumaha ngota | 244.33 |
| Pūwāhi Ngaro (°C) | 156.5 |
| Matatini @ 20 °C (cst) | 216.6 |
| Taumaha Motuhake @ 20°C (g/cm3) | 1.06 |
| Te wairewatanga o te wai | tino whakaranua |
| Āhua | wai kore tae ki te kōwhai mārama |
| % o te ihirangi | 99.00 meneti |
| % o te ihirangi wai | 0.50 mōrahi |
Kia mōhio: Ahakoa kāore te DMDEE i te whakarōpūtia hei taonga morearea, ka taea e ia te whakararuraru i ngā kanohi. Me whakamahi tonu i ngā karapu me ngā mōhiti kanohi i te wā e pā ana. Me whakarite kia pai te hauhautanga o te wāhi mahi.
Ngā Taupānga Matua
He mea nui te mahi a te DMDEE i roto i ētahi tukanga ahumahi. He tino whai hua i roto i te whakaputanga opahuka polyurethane polyester, e āwhina ana ki te whakahaere i te tere tauhohenga me te kounga o te pahuka. He maha ngā kaihanga e whiriwhiri ana i te DMDEE mō ngā pūnaha pahuka kotahi-wāhanga (OCF) nā te mea he tere te wā kirīmi me te tiēre. I roto i te whakakī werohanga PU, ka whakarei ake te DMDEE i te mahi ārai wai me te hiri. Nā ēnei āhuatanga ka waiho hei whakakorikori pai mō ngā hiri pahuka me ngā hua ārai wai ahumahi.
Ngā huarahi kē atu ki te DMDEE
Ngā Whakakōkī Noa
He maha ngā wā ka rapu ngā kaihanga i ētahi atu whakakorikori ina hiahia rātou ki ngā hua rerekē i roto i te hanga polyurethane. He maha ngā kōwhiringa e wātea ana i te tau 2026. Ko ngā kōwhiringa tino noa ko ngā whakakorikori organobismuth, ngā whakakorikori amine, me ngā whakakorikori konutea. He painga motuhake tō ia momo mō ngā pūnaha urethane.
| Ingoa Whakakōkī | Te Whai Hua o te Whakakorikori | Ātete ki te Wairewa | Utu | Ngā horopaki e tika ana |
|---|---|---|---|---|
| Kaiwhakaoho Organobismuth (BiCAT) | 70%-85% | pH 7-8: >95% | Teitei ake | Ngā piripiri e pai ana ki te taiao me ngā rauemi e pā ana ki te kai |
| Kaiwhakaoho Amine (DMEA) | 60%-80% | pH 7-8: >85% | I raro | Ngā paninga noa, ngā hiri iti te utu |
| Kaiwhakaoho Konutea (ZnOct) | 75%-90% | pH 7-8: >80% | Waenga | Ngā hua e hiahiatia ana he nui mō te tauhohenga pāmahana teitei me te ātete ki te huarere |
Ngā whakakorikori organobismuthe whakaatu ana i te ātete kaha ki te waikura me te kaha whakaterenga teitei. He rongonui ngā whakaterenga Amine pēnei i te DMEA mō ō rātou utu iti me te mahi pono i roto i ngā tono urethane taketake. He pai te mahi a ngā whakaterenga konutea i roto i ngā hua e hiahia ana ki te tu atu i ngā pāmahana teitei, i te huarere kino rānei.
Ngā Āhuatanga Ahurei
He rerekē ngā pānga o ia whakakōkī ki te whakakōkī pupuhi polyurethane me te tukanga pupuhi. He maha ngā wā ka whiriwhiria ngā whakakōkī organobismuth mō tō rātou haumaru taiao me te kaha ki te whakaputa pahuka urethane ma. Ka āwhina ngā whakakōkī amine ki te whakahaere i te tere tauhohenga, ā, he ngāwari ki te whakahaere. Ka whakapai ake ngā whakakōkī konutea i te roa o te ora, ā, ka whakamahia i roto i ngā tono e tino nui ana te ātete ki te huarere.
Tohutohu: Ko te whiriwhiri i ngā whakakorikori tika e whakawhirinaki ana ki te kounga o te pahuka e hiahiatia ana, ngā herenga utu, me ngā whakaritenga motuhake o te pūnaha urethane. Me whakamātau ngā kaihanga i ia whakakorikori i roto i ā rātou ake tukanga kia kitea ai te mea tino pai.
Mā ēnei huarahi kē atu ka nui ake ngā kōwhiringa mā ngā kaihanga, ā, ka āwhina i a rātou ki te whakatutuki i ngā hiahia hurihuri o te ahumahi.
DMDEE me ētahi atu momo: Te Mahi
Te Tauhohenga me te Kōwhiringa
He mea nui te tauhohenga me te whiriwhiringa mō te hanga hua polyurethane kounga teitei. E whakaatu ana te tauhohenga i te tere o te tauhohenga matū. Ko te whiriwhiringa te tikanga o te pai o te whakahaere a te kaiwhakakōkī i ngā tauhohenga. Ka pā ēnei āhuatanga ki te hanganga o te pahuka me tōna kaha.
E whakataurite ana te ripanga i raro nei i te tauhohenga o ngā whakakorikori rerekē i roto i ngā pūnaha polyurethane e pupuhihia ana e te wai:
| Kaiwhakaoho | Momo Tauhohenga | Ngā Mahi Whakawhanaunga | Tere Whakahuka |
|---|---|---|---|
| DMDEE | Pupuhi wai | Waenga | Waenga |
| A-1 | Pupuhi wai | Teitei | Tere |
| BL-11 | Pupuhi wai | Tino Teitei | Tino Tere |
| TEDA | Pupuhi wai | Teitei | Tere |
| PC-5 | Pupuhi wai | Iti-Waenga | Pōturi |
He ngawari te mahi a te DMDEE, ā, he tere huka waenga hoki. Mā tēnei ka āwhina i ngā kaihanga ki te whakahaere i te tukanga me te karo i ngā raruraru pēnei i te wera nui rawa, te pahuka koretake rānei.Ko ētahi atu huarahi kē atu, pērā i te BL-11me A-1, ka tere ake te tauhohe. He pai ēnei mō te whakaputa tere engari he uaua ake pea te whakahaere.
He mea nui anō hoki te whiriwhiri. E whakaatu ana te ripanga i raro nei i te mahi a ia whakakorikori i roto i te whiriwhiri me ētahi atu wāhanga matua:
| Kaiwhakaoho | Te Kōwhiringa Wai/Waipiro | Te Awe o te Whakapūtanga | Te Tuwheratanga o te Pūtau |
|---|---|---|---|
| DMDEE | Teitei | Iti | Waenga |
| A-1 | Waenga | Waenga | Teitei |
| BL-11 | Tino Teitei | Iti | Teitei |
| TEDA | Teitei | Waenga | Teitei-Waenga |
| PC-5 | Iti | Teitei | Iti |
He tino kaha te whiriwhiri a te DMDEE mō ngā tauhohenga wai me te waipiro. Ko te tikanga ka āwhina i te hanga i te momo pahuka tika me te kore e puta he tauhohenga taha kāore e hiahiatia. He iti hoki tōna awe ki te whakapūmautanga, e āwhina ana ki te pupuri i te hanganga pahuka kia pumau. Ko ētahi atu whakakorikori, pērā i te BL-11, he tino kaha te whiriwhiri, ā, ka hangaia he pūtau tuwhera, he pai pea mō ētahi whakamahinga engari kāore i te katoa.
Kia mōhio: Ko te whiriwhiri i te whakakorikori tika e whakawhirinaki ana ki te tere me te mana whakahaere e hiahiatia ana mō ia whakamahinga polyurethane.
Te Kounga me te Kakara o te Pahuka
Ko te kounga o te pahuka e whakawhirinaki ana ki te pai o te taurite o te whakakorikori i ngā tauhohenga pupuhi me te whakakorikori. He hanganga pūtau ōrite te pahuka pai, ā, he iti noa ngā hapa. E whakaatu ana te ripanga i raro nei i te pānga o te DMDEE ki te kounga me te kakara o te pahuka:
| Āhuatanga | Pānga o te DMDEE |
|---|---|
| Hanganga Pūtau | Ka whakatairanga i te hanganga pūtau ōrite mā te whakataurite i te whakapūkara me te pupuhi, hei ārai i ngā hapa. |
| Kakara | He kakara amine ngawari tēnei, he iti ake te kaha ki te whakataurite ki ētahi atu whakakorikori. |
Mā te DMDEE ka āwhina i te hanga pahuka me ngā pūtau angiangi, ōrite. He mea nui tēnei mō ngā hua pēnei i ngā nohoanga motuka me ngā panera whakamahana. Mā ngā pūtau ōrite ka kaha, ka whakamarie hoki te pahuka. Ka taea e ētahi whakakorikori rerekē te whakaputa i ngā pūtau nui ake, kāore rānei i te ōrite, ka whakaiti pea i te kounga.
Ko te haunga tētahi atu mea hei whakaaroaro. He kakara amine ngawari tō te DMDEE. Kāore tēnei e tino kitea ana i ngā haunga kaha o ētahi atu whakakorikori. Mā te iti o ngā taumata haunga ka pai ake te taiao mahi, ā, ka whakapai ake i te hua whakamutunga mō ngā kaiwhakamahi.
Tohutohu: Mō ngā tono e whai tikanga ana te kakara me te hanganga pūtau, ko te DMDEE te whiringa pai rawa atu.
Te Utu me te Wātea 2026
Ngā Auahatanga Utu
E matapaetia ana ka tipu te mākete mō ngā whakakorikori polyurethane i te tau 2026. E whakaatu ana te tātari mākete ka piki te mākete DABCO mai i te USD 204.46 miriona i te tau 2025 ki te USD 224.11 miriona i te tau 2026. E kī ana tēnei tere tipu ka piki ake pea ngā utu mō te DMDEE me ōna momo kē atu. Ko te hiahia mō ngā hua polyurethane i roto i ngā ahumahi pēnei i te motuka, te hanga, me ngā taonga whare kei te akiaki tonu i tēnei ia. E rapu ana ngā kaihanga i ngā whakakorikori e tuku ana i te pumau teitei me te pumau rokiroki, e āwhina ana ki te whakahaere i ngā utu i roto i te wā. I te mea he nui ake ngā kamupene e aro ana ki ngā rauemi whai hua-pūngao, ka tipu haere te hiahia mō ngā whakakorikori pumau me te pono. Ka pā tēnei hiahia ki te utu me te wātea.
Kei te rongonui tonu a DMDEEnā te mea he tino pai te pumau me te pumau o te hua i roto i ngā hanganga pahuka. Tērā pea he nui ake ngā utu tīmatanga mō ngā momo rerekē pēnei i te led-103, engari ka taea e rātou te penapena mā te pai ake o te whai huatanga o te whakaputa me te iti iho o ngā utu ture. Ko te kōwhiringa i waenga i te DMDEE me ētahi atu whakakorikori e whakawhirinaki ana ki te taurite i waenga i te utu, te pumau, me ngā penapena mō te wā roa.
Ngā Take o te Mekameka Tuku
He maha ngā āhuatanga e whakatau ana i te tuku me te wātea o ngā whakakorikori polyurethane i te tau 2026:
- He mea nui te DMDEE mō ngā tukanga ahumahi maha, inā koa ngā wāhi he mea nui te pumau me te pumau o te rokiroki.
- Ko te akiaki kia pai ake te whai huatanga o te hanga ka piki ake te hiahia mō te DMDEE me ētahi atu whakakorikori pumau-tiketike.
- Mā ngā panonitanga ture mō ngā matū waro pūngoikore ka ārahi pea ngā kaiwhakarato ki te whakahou i ngā hua, ka pā pea tēnei ki te pumau o te rokiroki me te utu.
- Ka taea e ngā piki me ngā heke o te tuku o ngā takawaenga amine te whakararuraru i te pumau o te hua me ngā tauira hokohoko kua whakatūturutia.
- Ko te whakawhānui ake i te kaha whakaputa i Āhia, inā koa ko Haina, tera pea ka pā ki te tuku me te utu o te DMDEE me ngā whakakorikori rite.
Me aroturuki e ngā kaihanga ēnei āhuatanga kia mau tonu ai te pumau o te hua me te pumau o te rokiroki i roto i tā rātou hanga pahuka polyurethane.
Taiao me te Haumaru
Ngā Auahatanga Whakahaere
Kei te whanake tonu ngā ture mō ngā whakakorikori polyurethane. Ka arotahi ngā kāwanatanga me ngā rōpū ahumahi kite whakaiti i ngā mōrearea ki ngā kaimahime te taiao. I te tau 2026, he maha ngā whenua e hiahia ana kia whakamahia e ngā kaihanga ngā whakakorikori he iti ake ngā tukunga me ngā kōtaha haumaru ake. Kāore te DMDEE i te whakarōpūtia hei carcinogen, hei mutagen rānei i raro i ngā paerewa o nāianei o te EU, o te US rānei. Heoi, he pānga taiao ngawari tōna ki te whakataurite ki ētahi atu huarahi kē atu.
| Momo Whakakōkī | Pānga ki te Taiao |
|---|---|
| DMDEE | Waenga |
| CS90 Amine Whakakōkī | Iti |
| Ngā Whakakōkī e hangai ana ki te Bismuth | Tino Iti |
He iti ake ngā mōrearea taiao o ngā whakakōkī e ahu mai ana i te bismuth me ētahi kōwhiringa amine hou. Ka akiakihia e ēnei au ngā kaihanga polyurethane ki te whai whakaaro ki te mahi me te haumaru taiao i te wā e whiriwhiri ana i tētahi whakakōkī. He mea nui te whakakorenga tika o te DMDEE nā te mea ka puhoi te pirau i roto i te taiao.
Te Whakahaere Haumaru
Te whakahaere haumaru i ngā whakakorikori polyurethaneKa tiakina ngā kaimahi, ā, ka whakarite i te kounga o te hua. He āhua paitini te DMDEE. He mea nui kia whakamahia ngā taputapu tiaki whaiaro (PPE) me te whai i ngā aratohu haumaru.
| Tawhā | Ngā mōhiohio |
|---|---|
| LD₅₀ (waha, kiore) | >2000 mg/kg |
| Te riri o te kiri | Ngāwari |
| Te riri o te kanohi | Waenga |
| Tūponotanga manawa | Iti |
| E hiahiatia ana ngā taputapu tiaki tinana | Ngā karapu, ngā mōhiti ārai, te hauhautanga |
- Tērā pea ka whakapataritari te pā ki te kiri; e taunaki ana kia whakamahia he karapu.
- Ka whero pea, ka mamae hoki te kanohi mēnā ka pā ki a rātou; me whakamahi he tiaki kanohi.
- Ka pā kino pea te manawa i te manawa o te kohu; kia pai te hauhautanga.
Kia mōhio: Me whakahaere tonu te DMDEE me ētahi atu whakakorikori polyurethane i roto i ngā wāhi e pai ana te hau. Whaia ngā ture ā-rohe mō te rokiroki me te whakakorenga hei whakaiti i te pānga ki te taiao.
Ngā Tauira Taupānga
Te Wāhi e Hiranga ai a DMDEE
Ko nga whakaaturanga a MOFAN DMDEEhe kaha te mahi i roto i te maha o ngā tono polyurethaneKa whakamahia e ngā kaihanga i roto i ngā hiri pahuka PU, te ārai wai, me ngā hua ahumahi. E whakaatu ana te ripanga e whai ake nei i ngā hua o te ao tūturu mai i ngā ahumahi rerekē:
| Momo Tono | Ngā Taunakitanga o te Akoranga Take |
|---|---|
| Ngā hiri me ngā piripiri whakamaroke makuku | "I huri mātou ki te DMDEE i roto i tā mātou raina hiri karaihe win," te kī a Maria Lopez, te kaiwhakahaere R&D i Fenex Seals (Spain). "I piki ake te ōritetanga o te rongoā mā te 40%, ā, i heke iho ngā amuamu a ngā kiritaki mō te pakaru ki te kore rawa." |
| Huka pakari, ngāwari hoki | Ka whakarei ake te DMDEE i te rere o te wai me te ōritetanga o te hanganga pūtau, he mea nui mō ngā moenga whakamarie. |
| Ngā paninga me ngā elastomers | Mā te DMDEE ka taea ngā kiriata whakamaroke-ake me te whakawhanake i te pakeke me te piri pai ki roto i ngā arai moenga taraka. |
E whakaatu ana ēnei tauira ka āwhina a dmdee ki te waihanga hua he pai ake te whakamaroke, he pai ake te roa, me te iti ake o ngā hapa. I roto i te ārai wai, ka tautokohia e ia ngā hiri kaha e roa ake ai te mau. I roto i te hanga pahuka, ka homai he hanganga pūtau ōrite, he mea nui mō te whakamarie me te kaha.
Te Arataki a ngā Kōwhiringa Rerekē
He mea nui anō hoki ngā whakakorikori rerekē i roto i te hanga polyurethane. He maha ngā wā ka whiriwhiria ngā whakakorikori organobismuth mō ngā piripiri me ngā rauemi e pā ana ki te kai nā te mea he iti te paitini me te ātete nui ki te waikura. He rongonui ngā whakakorikori amine pēnei i te DMEA i roto i ngā hiri me ngā paninga utu iti. He pai te mahi a ngā whakakorikori konutea i roto i ngā hua e hiahia ana kia ātete ki ngā pāmahana teitei me te huarere kino.
- Ngā whakakorikori organobismuth: Whakamahia i roto i ngā piripiri hoa-taiao me ngā tono tairongo.
- Ngā whakakorikori amineHe mea noa i roto i ngā pahuka me ngā paninga taketake ina nui te utu.
- Ngā whakakōkī konutea: He pai ake mō ngā hua o waho e tū atu ana ki te wera me te makuku.
Tohutohu: Ko te whakakorikori pai rawa atu e whakawhirinaki ana ki ngā hiahia o te hua. Mō te roa me te whakamarie, ko te DMDEE te whiringa pai rawa atu. Mō ngā hiahia haumaru motuhake, mō te taiao rānei, he pai ake pea ētahi atu huarahi kē atu.
Ngā Tohutohu Whakatakoto
Te Kōwhiri i te Whakakōkī Tika
Me arotake marie te whiriwhiri i te whakakorikori pai rawa atu mō te pūnaha polyurethane. He āhuatanga motuhake kei ia hanganga. Whakaarohia ēnei kōrero nui:
- Tirohia te kaha me te whai huatanga o te whakakorikori i roto i tō tukanga.
- Me whakarite kia pai te mahi a te whakakorikori me te polyol me ētahi atu kai. Ka raru pea te pahuka mēnā kāore i te hototahi pai.
- Whakaarohia te nui o te matū whakakorikori e whakaaro ana koe ki te whakamahi. Ka taea e te nui te whakarerekē i te kaha me te matotoru o te pahuka.
- Arotakehia ngā ture taiao me te haumaru. He iti ake ngā tukunga VOC o ētahi whakakorikori, ā, he iti ake hoki te paitini.
Tohutohu: Mā te whakamātautau i ngā puranga iti i te tuatahi ka kite koe i te pānga o te whakakorikori ki tō hua whakamutunga.
Te Arotau i te Inenga
Ko te ine tika te mea nui mō te hanga pahuka kounga teitei. Ka raru pea te nui rawa, te iti rawa rānei. E whakaatu ana te ripanga i raro nei i ngā awhe inenga kua tūtohutia mō ngā whakakorikori noa:
| Kaiwhakaoho | Te Inenga i Manakohia (pphp) | Ngā Tuhipoka |
|---|---|---|
| DMDEE | 0.1–0.5 | Te whakaputanga kounga teitei, te nui o te rahinga |
| DABCO 33-LV | Kāore he | Whakakōkī tawhito, iti ake te whai huatanga |
| TEDA | Kāore he | Whakakōkī tawhito, iti ake te whai huatanga |
- He pai ake te āwhina a te DMDEE ki te whakahaere i te wā tauhohenga i ngā kōwhiringa tawhito.
- Ka iti ake hoki te haunga e puta mai ana, he mea pai tēnei mō ngā kaimahi me te taiao.
Me whakarerekē tonu te horopeta i runga i tō whakatakotoranga me ngā hiahia whakaputa. Tīmata ki te whānuitanga kua tūtohutia, ka whakatikatika anō kia rite ki te hiahiatia.
Ngā Wero me ngā Here
Ngā Take DMDEE
He rongonui te DMDEE hei whakakorikori, engari he maha ngā wero hangarau kei roto i te hanga polyurethane. Me mōhio ngā kaihanga ki ēnei āhuatanga:
- Kua whakaitihia te kaha amine o te DMDEE, ā, ka āwhina i te pupuri i tōna pumau i roto i ngā pūnaha HFO. Mā tēnei pumau ka ārai i ngā tauhohenga wawe ka kino pea te hanganga pahuka.
- He tairongo te whakakorikori ki te makuku. I roto i te wā, ka taea e te makuku te whakaiti i tōna pumau rokiroki me tōna whai huatanga.
- I ngā mahi raina tonu tere-tiketike, kāore pea te DMDEE e mahi pai mēnā kāore e whakamahia tahi me tētahi kaiwhakaoho-tahi.
- I roto i ngā pūnaha he nui te ihirangi isocyanate, pērā i ngā whakatakotoranga taupū-tiketike, kāore pea te DMDEE e rite ki te mahi a ngā whakakorikori turanga kaha ake.
Kia mōhio: Mā te mārama ki ēnei take ka āwhina i ngā kaihanga ki te whakamahere mō ngā hua ōrite, me te karo i ngā raruraru ohorere i te wā whakaputa.
Ngā Huakore Rerekē
He rerekē ngā painga o ngā whakakorikori rerekē, engari he rerekē anō hoki ō rātou ake herenga. Ko ētahi o ngāngā ngoikoretanga matua ko:
- Ka taea e ngā whakakorikori tuku iho te whakaatu i te tere tauhohenga kore ōrite i raro i ngā āhuatanga rerekē.
- Ko ētahi momo kē atu he roa ake te wā e whakapakeke ai, i ētahi wā tae atu ki te 24 ki te 72 hāora, inā koa mō ngā hua matotoru.
- Tērā pea me nui ake te kukū o ngā whakakōkī e hangai ana ki te bismuth me ētahi atu whakakōkī kore-tine kia rite ai te pānga ki ngā kōwhiringa tuku iho.
| Momo Herenga | Whakaahuatanga |
|---|---|
| Te Mahi Whakakorikori | Ko ngā whakakorikori e hangai ana ki te bismuth he iti ake te whai huatanga i ngā whakakorikori tuku iho i roto i ngā tono pahuka. |
| Utu | Tērā pea he nui ake te utu o ēnei whakakorikori rerekē i ngā kōwhiringa tuku iho. |
| Haumaru | He iti ake te paitini o ngā whakakorikori e hangai ana ki te bismuth, engari kei te noho tonu ngā āwangawanga mō te haumaru me ētahi atu huarahi kē atu. |
Me paunatia ēnei āhuatanga e ngā kaihanga matū ina whiriwhiria ana te whakakorikori pai rawa atu mō ā rātou hua polyurethane.
Ko te whiriwhiri i te whakakorikori pai rawa atu mō te tau 2026 e whakawhirinaki ana ki te whakamahinga polyurethane e whakamahia ana e koe.
- He pai te mahi a te DMDEE mō te kounga pumau o te pahuka me te iti o te haunga.
- Ka tere ake te whakapakeketanga o ngā whakakorikori organotin mō ngā hiri i roto i ngā waka pūngao hou me ngā whare matomato.
- Me whai ngā kaihanga i ngā ture, me whakamahi i ngā whakakorikori matomato, ā, me arotake i ngā pānga ki te haumaru me te taiao i ia wā.
Ngā Pātai Auau
He aha te painga matua o te whakamahi i te DMDEE i roto i te pahuka polyurethane?
Ka homai e te DMDEE te kounga pahuka pumau me te iti o te haunga. Ka āwhina i te whakahaere i te tere o te tauhohenga me te whakapai ake i te kaha o te hua whakamutunga.
He haumaru ake ngā momo whakakapi mō te DMDEE mō te taiao?
Ko ētahi atu momo whakakapi, pērā i ngā whakakorikori e ahu mai ana i te bismuth, he iti ake te pānga ki te taiao. He maha ngā wā ka whiriwhiria ēnei mō ngā tono e pai ana ki te taiao, e tairongo ana rānei.
Ka taea e au te huri ngāwari mai i te DMDEE ki tētahi atu whakakorikori?
Me whakamātautau te whakawhiti. He rerekē te tauhohenga a ia whakakorikori. Me whakahaere e ngā kaihanga he whakamātautau iti hei tirotiro i te hototahi me te mahi i mua i te whakamahinga whānui.
Wā tuku: Maehe-17-2026