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Ngā Polyol Motuhake: He Aratohu Katoa ki ngā Momo, ngā Āhuatanga me ngā Whakamahinga
I roto i te matū pūmua, ko ngā polyol motuhake he poraka hanga nui. Ka tauhohe ngā rōpū hydroxyl ki ngā isocyanates hei hanga hononga urethane kaha. Ka hangaia e MOFAN ngā raupapa polyether hangarau me ngā polyethylene glycols pai rawa atu (PEG) mō ngā pūnaha ahumahi. Ka whakamahia e ngā miihini matū ēnei wāhanga...Pānuihia atu -
Aratohu Hoahoa Hanga Polyol Polyester: Mai i te Kōwhiringa Monomer ki te Tukanga Hanga
Te Mārama ki te Matū i Muri i ngā Polyol Polyester Mahi-Tiketike mō ngā Whakamahinga Polyurethane Ko te polyol polyester tētahi o ngā rauemi mata matua e whakamahia ana i roto i ngā pūnaha polyurethane (PU), tae atu ki te polyurethane wai, ngā elastomers polyurethane, ngā paninga, ngā piripiri, te hiako hangai, me ētahi atu...Pānuihia atu -
TEDA Catalyst: Ngā Āhuatanga, Ngā Taupānga me te Aratohu Kaiwhakarato
Ko te whakakorikori TEDA, e mōhiotia ana i roto i te matū ko te triethylenediamine (CAS 280-57-9), he mea nui ki te hanga pahuka polyurethane. He whakakorikori te mahi a te Triethylenediamine, e whakateretere ana i ngā tauhohenga whakapūkara me te pupuhi. Ko te MOFAN TEDA te mea tino pai...Pānuihia atu -
DMCHA Catalyst: Ngā Āhuatanga, Ngā Taupānga me te Aratohu Kaiwhakarato
He wāhanga nui te DMCHA i roto i te hanga rauemi polyurethane. Ka whakamahia e ngā kamupene te DMCHA hei tere ake i ngā tauhohenga i roto i ngā pūnaha polyurethane. Kei roto i ēnei pūnaha te whakamahana pahuka mārō me ētahi atu hua mō ngā wheketere. Ko ngā whakakorikori amine polyurethane pērā i te DMCH...Pānuihia atu -
Whakakōkī Polyurethane: He Aratohu Katoa ki ngā Momo, ngā Mahi me ngā Whakamahinga
He matū te whakakorikori polyurethane e tere ake ai ngā tauhohenga matū i roto i te hanga polyurethane. Ka whakawhirinaki ngā kaihanga ki ngā whakakorikori hei whakaiti i ngā wā tauhohenga, hei whakapai ake i te ōritetanga, me te whakahaere i ngā āhuatanga pēnei i te pakeke me te ngāwari. Ko te mākete...Pānuihia atu -
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 -
Mai i te Tirohanga o te Matū Triazine: He aha i Pai ake ai ngā Ārai Mumura e Hangai Ana ki te Hauota ki te Triazine
He pātai tā te tini tāngata ina tūtaki tuatahi ki ngā mea ārai mura kei roto he hauota: Nā te mea me "hauota" te ārai mura, he aha te take i whiriwhiri nui ai te umanga i te hanganga "mowhiti triazine", kaua ki ngā amine māmā ake, te urea, te guanidine...Pānuihia atu -
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 matū 6425-39-4, 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. Whakaahuatanga Tauwehe Momo pūnaha polyurethane He rerekē ngā mahi e hiahiatia ana e ngā pūnaha rerekē...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
