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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 foam. 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 -
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 -
3 mau ala e hoʻonui ai ka mea hoʻoulu amine tertiary i ka wikiwiki o ka insulation
ʻO MOFAN TMR-2, i ʻike ʻia ma ka helu 62314-25-4, kū i waho ma ke ʻano he mea hoʻouluulu amine tertiary e hoʻolalelale i ka insulation paipu ma o ʻekolu mau hana nui: hoʻomaka wikiwiki o ka hopena, hoʻonui i ka hoʻonui ʻana o ka huʻa, a me ka hoʻōla wikiwiki. Hoʻopili kēia mea hoʻouluulu me nā hui isocyanate, e hoʻonui ana i kā lākou reactivity a hana ...E heluhelu hou aku -
Ke kaʻina hana hana ʻili ponoʻī o ka polyurethane
ʻO ka lakio Polyol a me ka isocyanate: Loaʻa iā Polyol kahi waiwai hydroxyl kiʻekiʻe a me ke kaumaha molekala nui, kahi e hoʻonui ai i ka nui o ka crosslinking a kōkua i ka hoʻomaikaʻi ʻana i ka nui o ka huʻa. Ke hoʻoponopono nei i ka helu isocyanate, ʻo ia hoʻi, ka lakio molar o isocyanate i ka hydrogen hana i loko o ka po...E heluhelu hou aku -
Ke aʻo ʻana i ka polyurethane adhesive no ka hoʻopili palupalu me ka ʻole o ka hoʻōla ʻana i ka mahana kiʻekiʻe
Ua hoʻomākaukau ʻia kahi ʻano hou o ka polyurethane adhesive ma ka hoʻohana ʻana i nā polyacids mole liʻiliʻi a me nā polyols mole liʻiliʻi ma ke ʻano he mea maka kumu e hoʻomākaukau ai i nā prepolymers. I ka wā o ke kaʻina hana hoʻolōʻihi kaulahao, ua hoʻokomo ʻia nā polymers hyperbranched a me nā trimers HDI i loko o ka polyuretha...E heluhelu hou aku -
ʻO ka hoʻolālā hana kiʻekiʻe o nā elastomers polyurethane a me kā lākou noi i ka hana kiʻekiʻe
He papa koʻikoʻi nā elastomers polyurethane o nā mea polymer hana kiʻekiʻe. Me ko lākou mau waiwai kino a me ke kemika kū hoʻokahi a me ka hana piha maikaʻi loa, noho lākou i kahi kūlana koʻikoʻi i ka ʻoihana hou. Hoʻohana nui ʻia kēia mau mea i nā mea he nui...E heluhelu hou aku -
ʻO ka polyurethane wai ʻole-ionic me ka māmā maikaʻi no ka hoʻopili ʻana i ka hoʻopau ʻili
He mea maʻalahi nā mea uhi polyurethane i ka melemele i ka hala ʻana o ka manawa ma muli o ka lōʻihi o ka hoʻolaha ʻana i ka mālamalama ultraviolet a i ʻole ka wela, e hoʻopilikia ana i ko lākou helehelena a me ke ola lawelawe. Ma ka hoʻokomo ʻana iā UV-320 a me 2-hydroxyethyl thiophosphate i loko o ka hoʻolōʻihi kaulahao o ka polyurethane, kahi nonioni...E heluhelu hou aku -
Ke kū'ē nei anei nā mea polyurethane i nā mahana ki'eki'e?
1 He kūpaʻa anei nā mea polyurethane i nā mahana kiʻekiʻe? Ma keʻano laulā, ʻaʻole kūpaʻa ka polyurethane i nā mahana kiʻekiʻe, ʻoiai me kahi ʻōnaehana PPDI maʻamau, ʻo kona palena wela kiʻekiʻe loa hiki ke puni 150°. ʻAʻole hiki i nā ʻano polyester maʻamau a i ʻole polyether ke w...E heluhelu hou aku -
E ʻākoakoa nā loea Polyurethane honua ma Atlanta no ka ʻaha kūkā loea Polyurethanes 2024
ʻAtalata, GA – Mai Kepakemapa 30 a ʻOkakopa 2, e mālama ka Omni Hotel ma Centennial Park i ka 2024 Polyurethanes Technical Conference, e hoʻohui pū ana i nā poʻe loea alakaʻi a me nā loea mai ka ʻoihana polyurethane ma ka honua holoʻokoʻa. Hoʻonohonoho ʻia e ka American Chemistry Council...E heluhelu hou aku
