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Aratohu Hanga Polyurethane: Mai i te Hoahoa Ngota ki te Arotau Mahi
Akohia te hoahoa o ngā hanganga polyurethane mā te whakamahi i ngā polyol, ngā isocyanate, ngā catalysts, ngā blowing agents, me ngā additives. Tirohia te āhua o te hanganga ngota e whakatau ana i te mahi i roto i te pahuka, ngā paninga, ngā elastomers, me ngā piripiri. ...Pānuihia atu -
Ngā Koha Polyurethane e Toru: Ngā Pōka, Ngā Āputa Whakaiti, me Ngā Tohu Rere — Ngā Take Pūtake me Ngā Otinga Hangarau
He aha i puta tonu ai ēnei hapa i roto i te mahi hanga I roto i ngā tukanga whakarewa me te whakapūtanga polyurethane, ko ngā kōhao iti, ngā kōhao whakaheke, me ngā tohu rere kei roto i ngā hapa mata e tino kitea ana i roto i ngā pūnaha polyurethane ngāwari me ngā pūnaha polyurethane pakari...Pānuihia atu -
Te Whanaketanga o te Mātotoru me te Āhuatanga i te Wā e Whakapūpū ana i te Pahuka Polyurethane
He aha te Hiranga o te Whēkau Viscoelastic i roto i te Hanga Pahuka Polyurethane He hononga tata te mahi pahuka polyurethane ki te whanaketanga o te matotoru me te ngāwari i te wā o te tukanga pahuka. Ahakoa te hanga pahuka ngāwari, pahuka whakamahana pakari, polyurethane motuhake rānei ...Pānuihia atu -
Te Pono i Muri i ngā Take Herenga o te Paewhiri Polyurethane i roto i ngā Pūnaha Pentane-Blown me te Me Pēhea te Whakatau i a rātou
01. Kupu Whakataki: Te Huarahi a te Kotahi Papa Wehewehe ki ngā Ngaronga Nui I roto i te awheawhe whakaputa o tētahi kaihanga rauemi hanga nui, i whakarārangihia pai ngā papa hanawiti polyurethane mata-whakarewa hou i muri i te waiho i te haere tonu ...Pānuihia atu -
He turuturu? Me pēhea te āwhina a ngā kaiwhakaoho polyurethane amine
Me whai otinga matatau ngā turuturu wai uaua i roto i te raima me te pereki. He nui te pānga pūtea o ēnei take. E ai ki te American Insurance Association, neke atu i te $10 piriona te ngaronga o ngā rawa i ia tau nā te turuturu wai. Kei roto i ngā papa polyurethane hou te whakautu. Ko ēnei ...Pānuihia atu -
E toru ngā huarahi e whakanui ake ai te tere o te whakamahana i te tere o te whakapūngao o te amine tuatoru
Ko te MOFAN TMR-2, e mōhiotia ana ko te nama 62314-25-4, he mea whakakorikori amine tuatoru e tere ake ai te whakamahana o ngā paipa mā roto i ngā mahi matua e toru: te tīmatanga tere o te tauhohenga, te whakapai ake i te whānui o te pahuka, me te tere ake o te whakamaroke. Ka taunekeneke tēnei whakakorikori ki ngā rōpū isocyanate, ka whakanui ake i tō rātou tauhohenga me te hanga ...Pānuihia atu -
Te tukanga whakaputa kiri-whaiaro a te polyurethane
Te ōwehenga o te Polyol me te isocyanate: He nui te uara hydroxyl o te Polyol, ā, he nui te taumaha ngota ngota, ka whakanui ake i te kiato hononga whakawhiti me te āwhina ki te whakapai ake i te kiato pahuka. Mā te whakarerekē i te taupū isocyanate, arā, te ōwehenga molar o te isocyanate ki te hauwai hohe i roto i te po...Pānuihia atu -
He rangahau mō te piripiri polyurethane mō ngā takai ngāwari me te kore e whakamaroke i te pāmahana teitei.
I hangaia he momo piripiri polyurethane hou mā te whakamahi i ngā polyacids ngota iti me ngā polyol ngota iti hei rauemi mata matua mō te hanga i ngā prepolymer. I te wā o te tukanga toronga mekameka, i whakaurua ngā polymer peka nui me ngā trimer HDI ki roto i te polyuretha...Pānuihia atu -
Te hoahoa mahi-teitei o ngā elastomers polyurethane me tā rātou tono i roto i te hangahanga teitei
He momo rauemi pūmua mahi-teitei ngā elastomers polyurethane. Nā ō rātou āhuatanga ā-tinana me ā-matū ahurei me te mahi tino pai, he tūranga nui tō rātou i roto i te ahumahi hou. He whānuitia te whakamahinga o ēnei rauemi i roto i te maha...Pānuihia atu -
He polyurethane wai-kore-ionic me te pumau pai mō te whakamahinga i roto i te whakaotinga hiako
Ka ngāwari te kōwhai o ngā rauemi paninga polyurethane i te roanga o te wā nā te roa o te pānga ki te hihi ultraviolet, ki te wera rānei, ka pā ki tōna āhua me tōna roanga mahi. Mā te whakauru i te UV-320 me te 2-hydroxyethyl thiophosphate ki roto i te mekameka toronga o te polyurethane, ka hangaia he nonioni...Pānuihia atu -
He ātete ngā rauemi polyurethane ki ngā pāmahana teitei?
1 He ātete ngā rauemi polyurethane ki ngā pāmahana teitei? I te nuinga o te wā, kāore te polyurethane e ātete ki ngā pāmahana teitei, ahakoa he pūnaha PPDI noa, ko tōna rohe pāmahana mōrahi ka taea anake te tata ki te 150°. Kāore pea e taea e ngā momo polyester, polyether rānei noa te...Pānuihia atu -
Ka Huihui Ngā Tohunga Polyurethane o te Ao ki Atlanta mō te Hui Hangarau Polyurethanes 2024
Atlanta, GA – Mai i te 30 o Hepetema ki te 2 o Oketopa, ka manaaki te Omni Hotel i Centennial Park i te Huihuinga Hangarau Polyurethanes 2024, e huihui mai ana i ngā tohunga ngaio me ngā tohunga matua o te umanga polyurethane puta noa i te ao. I whakaritea e te American Chemistry Council...Pānuihia atu
