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E aʻo e pili ana i ka polyurethane adhesive no ka hoʻopili maʻalahi me ka ʻole o ka mālama wela kiʻekiʻe
Ua hoʻomākaukau ʻia kahi ʻano hou o ka polyurethane adhesive ma o ka hoʻohana ʻana i nā polyacids mole liʻiliʻi a me nā polyol mole liʻiliʻi ma ke ʻano he kumu kumu no ka hoʻomākaukau ʻana i nā prepolymers. I ka wā o ke kaʻina hoʻonui kaulahao, ua hoʻokomo ʻia nā polymers hyperbranched a me nā trimers HDI i loko o ka polyuretha...Heluhelu hou aku -
Hoʻolālā kiʻekiʻe o ka polyurethane elastomers a me kā lākou noi i ka hana kiʻekiʻe
ʻO ka polyurethane elastomers kahi papa nui o nā mea polymer kiʻekiʻe. Me kā lākou mau waiwai kino a me nā kemika a me ka hoʻokō piha maikaʻi loa, noho lākou i kahi kūlana koʻikoʻi i ka ʻoihana hou. Hoʻohana nui ʻia kēia mau mea i ka nui ...Heluhelu hou aku -
ʻO ka polyurethane hoʻokumu wai non-ionic me ka māmā māmā maikaʻi no ka noi ʻana i ka hoʻopau ʻili
Hiki i nā mea uhi polyurethane ke melemele i ka manawa ma muli o ka lōʻihi o ka hoʻolaha ʻana i ke kukui ultraviolet a i ʻole ka wela, e pili 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 hoʻonui kaulahao o ka polyurethane, kahi nonioni...Heluhelu hou aku -
Ke hōʻike nei nā mea polyurethane i ke kūʻē ʻana i nā wela kiʻekiʻe?
1 He mau mea polyurethane kū'ē i nā wela kiʻekiʻe? Ma keʻano laulā, ʻaʻole kūpaʻa ka polyurethane i nā mahana kiʻekiʻe, ʻoiai me kahi ʻōnaehana PPDI maʻamau, hiki i kona palena wela kiʻekiʻe ma kahi o 150 ° wale nō. ʻAʻole hiki i nā ʻano polyester maʻamau a i ʻole polyether ke w...Heluhelu hou aku -
E ʻākoakoa nā poʻe loea Polyurethane honua ma Atlanta no 2024 Polyurethanes Technical Conference
Atlanta, GA - Mai Kepakemapa 30 a ʻOkakopa 2, e hoʻokipa ka Omni Hotel ma Centennial Park i ka 2024 Polyurethanes Technical Conference, e hui pū ana i nā loea alakaʻi a me nā loea mai ka ʻoihana polyurethane a puni ka honua. Hoʻonohonoho ʻia e ka American Chemistry Council...Heluhelu hou aku -
Noiʻi Holomua ma Non-Isocyanate Polyurethanes
Mai ko lākou hoʻomaka ʻana i ka makahiki 1937, ua loaʻa nā mea polyurethane (PU) i nā noi nui ma nā ʻāpana like ʻole e like me ka halihali, kūkulu hale, petrochemicals, textiles, mechanical and electrical engineering, aerospace, healthcare, a me ka mahiʻai. ʻO kēia mau m...Heluhelu hou aku -
Hoʻomākaukau a me nā hiʻohiʻona o ka polyurethane semi-rigid foam no nā lima lima kaʻa hana kiʻekiʻe.
ʻO ka hoʻomaha lima i loko o ke kaʻa he mea nui ia o ke kaʻa, e pāʻani ana i ka hana o ka huki ʻana a huki i ka puka a kau i ka lima o ke kanaka i loko o ke kaʻa. I ka hopena o kahi pilikia, i ka wā e hui pū ai ke kaʻa a me ka handrail, polyurethane soft handrail a ...Heluhelu hou aku -
ʻO nā ʻano ʻenehana o ka hoʻoheheʻe ʻana i ka māla polyurethane
ʻO ka mea hoʻoheheʻe polyurethane (PU) paʻa he polymer me kahi ʻāpana hana hou o ka ʻāpana carbamate, i hana ʻia e ka hopena o ka isocyanate a me ka polyol. Ma muli o kāna ʻano hoʻonaninani wela maikaʻi a me ka hana wai ʻole, loaʻa iā ia nā noi ākea ma waho ...Heluhelu hou aku -
ʻO ka hoʻomaka ʻana o ka mea hoʻohua no ka polyurethane rigid foam i hoʻohana ʻia i ke kahua kūkulu
Me ka hoʻonui ʻana i nā koi o nā hale hou no ka mālama ʻana i ka ikehu a me ka pale ʻana i ke kaiapuni, ʻoi aku ka nui o ka hana insulation thermal o nā mea hale. I waena o lākou, ʻo ka polyurethane rigid foam kahi mea hoʻonaninani wela maikaʻi loa, ...Heluhelu hou aku -
ʻO ka ʻokoʻa ma waena o ka Polyurethane ma ka wai a me ka Polyurethane ma ka ʻaila
ʻO ka uhi wai polyurethane i hoʻopaʻa ʻia i ka wai he mea hoʻopili maikaʻi a me ka impermeability. Loaʻa iā ia ka hoʻopili maikaʻi ʻana i nā substrate i hoʻokumu ʻia i ka sima e like me ke kaila a me ka pōhaku a me nā huahana metala. ʻO ka huahana ...Heluhelu hou aku -
Pehea e koho ai i nā mea hoʻohui i ka wai polyurethane resin
Pehea e koho ai i nā mea hoʻohui i ka polyurethane wai? Nui nā ʻano o nā mea kōkua polyurethane i hoʻokumu ʻia i ka wai, a ākea ka laulā o ka noi, akā ʻo nā ʻano o nā mea kōkua e like me ka maʻamau. 01 ʻO ka hoʻohālikelike o nā mea hoʻohui a me nā huahana ʻo ia hoʻi ka f...Heluhelu hou aku -
ʻO ka Polyurethane Amine Catalyst: Ka mālama pono ʻana a me ka hoʻolei ʻana
ʻO ka polyurethane amine catalysts he mau mea nui i ka hana ʻana i ka polyurethane foams, coatings, adhesives, and sealants. He kuleana koʻikoʻi kēia mau catalysts i ke kaʻina hana hoʻōla o nā mea polyurethane, e hōʻoia ana i ka hana kūpono a me ka hana. Eia naʻe, ua ...Heluhelu hou aku
