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Nā Polyols Kūikawā: Alakaʻi Piha i nā ʻAno, nā Waiwai a me nā Noi
I loko o ke kemika polymer, lawelawe nā polyols kūikawā ma ke ʻano he mau poloka hale koʻikoʻi. Hoʻopili nā hui Hydroxyl me nā isocyanates e hana i nā loulou urethane ikaika. Hana ʻo MOFAN i nā moʻo polyether loea a me nā polyethylene glycols kiʻekiʻe (PEG) no nā ʻōnaehana ʻoihana. Hoʻohana nā ʻenekinia kemika i kēia mau mea...E heluhelu hou aku -
Alakaʻi Hoʻolālā Hana Polyester Polyol: Mai ke Koho Monomer a i ke Kaʻina Hana Synthesis
Ke hoʻomaopopo nei i ke Kemika ma hope o nā Polyols Polyester Hana Kiʻekiʻe no nā noi Polyurethane ʻO ka polyester polyol kekahi o nā mea maka nui i hoʻohana ʻia i nā ʻōnaehana polyurethane (PU), me ka polyurethane wai, nā elastomers polyurethane, nā uhi, nā mea hoʻopili, ka ʻili synthetic, a me nā mea ʻē aʻe ...E heluhelu hou aku -
TEDA Catalyst: Nā Waiwai, Nā Noi a me ke Alakaʻi Hoʻolako
ʻO ka mea hoʻoulu TEDA, i ʻike ʻia ma ke ʻano kemika ʻo triethylenediamine (CAS 280-57-9), he mea nui ia i ka hana ʻana i ka huʻa polyurethane. Hana ʻo Triethylenediamine ma ke ʻano he mea hoʻoulu, e hoʻolalelale ana i nā hopena gelling a me ka puhi ʻana. Kū i waho ʻo MOFAN TEDA ma ke ʻano he mea kiʻekiʻe-per...E heluhelu hou aku -
DMCHA Catalyst: Nā Waiwai, Nā Noi a me ke Alakaʻi Hoʻolako
He ʻāpana koʻikoʻi ka DMCHA i ka hana ʻana i nā mea polyurethane. Hoʻohana nā ʻoihana i ka DMCHA e wikiwiki i nā hopena i nā ʻōnaehana polyurethane. Hoʻokomo pū kēia mau ʻōnaehana i ka insulation foam paʻakikī a me nā huahana ʻē aʻe no nā hale hana. ʻO nā mea hoʻouluulu amine polyurethane e like me DMCH...E heluhelu hou aku -
ʻO ka Polyurethane Catalyst: Alakaʻi piha i nā ʻano, nā hana a me nā noi
ʻO kahi mea hoʻouluulu polyurethane kahi mea e hoʻolalelale i nā hopena kemika i ka hana polyurethane. Hilinaʻi nā mea hana i nā mea hoʻouluulu e hōʻemi i nā manawa hopena, hoʻomaikaʻi i ke kūlike, a kāohi i nā waiwai e like me ka paʻakikī a me ka maʻalahi. ʻO ka mākeke...E heluhelu hou aku -
Alakaʻi Hoʻohuihui Polyurethane: Mai ka Hoʻolālā Molecular a i ka Hoʻonui Hana
E aʻo pehea e hoʻolālā ʻia ai nā ʻano polyurethane me ka hoʻohana ʻana i nā polyols, isocyanates, catalysts, blowing agents, a me nā mea hoʻohui. E ʻike pehea e hoʻoholo ai ke ʻano molekala i ka hana i loko o ka huʻa, nā uhi, nā elastomers, a me nā mea hoʻopili. ...E heluhelu hou aku -
ʻEkolu mau kīnā Polyurethane maʻamau: nā puka pine, nā lua hoʻēmi, a me nā māka kahe - nā kumu kumu a me nā hoʻonā ʻenekinia
No ke aha e hoʻomau hou ai kēia mau hemahema i ka hana ʻana I nā kaʻina hana hoʻolei a me ke kālai ʻana o ka polyurethane, nā pinholes, nā lua shrinkage, a me nā māka kahe i waena o nā hemahema ʻili pinepine i nā ʻōnaehana polyurethane maʻalahi a paʻa ...E heluhelu hou aku -
Pehea e ulu ai ka Viscosity a me ka Elasticity i ka wā o ka Polyurethane Foam Foaming
No ke aha he mea nui ka hana Viscoelastic i ka hana ʻana i ka Polyurethane Foam Pili loa ka hana o ka polyurethane foam i ka ulu ʻana o ka viscosity a me ka elasticity i ka wā o ke kaʻina hana foaming. Inā paha e hana ana i ka foam flexible, ka foam insulation paʻa, a i ʻole ka polyurethane kūikawā ...E heluhelu hou aku -
ʻO ka ʻoiaʻiʻo ma hope o nā pilikia hoʻopili ʻana o ka Polyurethane Panel i nā ʻōnaehana Pentane-Blown a pehea e hoʻoponopono ai iā lākou
01. Hoʻolauna: Pehea i alakaʻi ai kekahi Panel Delaminated i nā pohō nui Ma ka hale hana hana o kahi mea hana hale nui, ua hoʻopili pono ʻia nā panela sandwich polyurethane metala hou i hana ʻia ma hope o ka waiho ʻana i ka hoʻomau ...E heluhelu hou aku -
Mai ka Manaʻo o ke Kemika Triazine: No ke aha e makemake ai nā mea pale ahi i hoʻokumu ʻia i ka Nitrogen iā Triazine
He nīnau ka poʻe he nui i ka wā mua e launa pū ai me nā mea pale ahi e loaʻa ana i ka nitrogen: ʻOiai ʻo ka pale ahi e pono ai ka "nitrogen", no ke aha i koho nui ai ka ʻoihana no ka hoʻonohonoho "triazine ring", ma mua o nā amines maʻalahi, urea, guanidine...E heluhelu hou aku -
ʻO wai ka Polyurethane Catalyst e hāʻawi i nā hopena maikaʻi aʻe ma 2026 DMDEE a i ʻole nā koho ʻē aʻe
I ka makahiki 2026, ʻo DMDEE, me MOFAN DMDEE me ka mea hōʻike kemika 6425-39-4, e manaʻo ʻia e noho mau i mea hoʻonui kiʻekiʻe no ka hana ʻana i ka polyurethane. ʻO ke koho ʻana i ka mea hoʻonui kūpono e hoʻohālikelike i ka maikaʻi o ka huahana a me ka palekana. Wehewehe kumu ʻAno o ka ʻōnaehana polyurethane Pono nā ʻōnaehana like ʻole i nā ʻano like ʻole ...E heluhelu hou aku -
Loaʻa nā leaka? Pehea e hiki ai i nā mea hoʻouluulu Polyurethane Amine ke kōkua
Pono nā kahe wai paʻakikī i loko o ka sima a me ka pōhaku i kahi hopena holomua. He mea koʻikoʻi ka hopena kālā o ia mau pilikia. Wahi a The American Insurance Association, ʻo nā kahe wai e hopena i ka nalowale o ka waiwai ma mua o $10 biliona i kēlā me kēia makahiki. Aia ka pane i nā grouts polyurethane hou. ʻO kēia mau ...E heluhelu hou aku
