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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 -
Holomua Noiʻi ma nā Polyurethanes Non-Isocyanate
Mai ko lākou hoʻolauna ʻia ʻana i ka makahiki 1937, ua loaʻa i nā mea polyurethane (PU) nā noi nui ma nā ʻāpana like ʻole e like me ka halihali, ke kūkulu ʻana, nā petrochemicals, nā textiles, ka ʻenekinia mechanical a me ka uila, aerospace, mālama ola, a me ka mahiʻai. ʻO kēia mau m...E heluhelu hou aku -
Ka hoʻomākaukau ʻana a me nā ʻano o ka polyurethane semi-rigid foam no nā ʻauamo kaʻa hana kiʻekiʻe.
ʻO ke kau lima i loko o ke kaʻa he ʻāpana koʻikoʻi ia o ke kaʻa, kahi e hoʻokani ai i ke kuleana o ka paʻi ʻana a me ka huki ʻana i ka puka a me ke kau ʻana i ka lima o ke kanaka i loko o ke kaʻa. I ka wā o kahi pilikia, i ka wā e kuʻi ai ke kaʻa a me ka ʻauamo lima, ʻo ka ʻauamo lima palupalu polyurethane...E heluhelu hou aku -
Nā ʻAno Hana o ka Hoʻopuehu ʻana i ke Kahua Polyurethane Foam Rigid
ʻO ka mea hoʻokaʻawale polyurethane huʻa paʻa (PU) he polymer me kahi ʻāpana hoʻonohonoho hou o ka ʻāpana carbamate, i hoʻokumu ʻia e ka hopena o isocyanate a me polyol. Ma muli o kona insulation thermal maikaʻi loa a me ka hana wai ʻole, loaʻa iā ia nā noi ākea ma waho...E heluhelu hou aku -
Hoʻolauna ʻana o ka mea hoʻohua no ka huʻa paʻa polyurethane i hoʻohana ʻia ma ke kahua kūkulu
Me ka hoʻonui ʻia ʻana o nā koi o nā hale hou no ka mālama ʻana i ka ikehu a me ka palekana o ke kaiapuni, lilo ka hana insulation thermal o nā mea hale i mea nui aʻe. I waena o lākou, ʻo ka polyurethane rigid foam kahi mea insulation thermal maikaʻi loa,...E heluhelu hou aku -
ʻO ka ʻokoʻa ma waena o ka Polyurethane i hoʻokumu ʻia i ka wai a me ka Polyurethane i hoʻokumu ʻia i ka ʻaila
ʻO ka uhi wai ʻole polyurethane wai-wai he mea pale wai polymer elastic kiʻekiʻe-molecular aloha i ke kaiapuni me ka hoʻopili maikaʻi a me ka impermeability. Loaʻa iā ia ka hoʻopili maikaʻi ʻana i nā substrates sima e like me ka sima a me ka pōhaku a me nā huahana metala. ʻO ka huahana...E heluhelu hou aku
