He aha kaʻokoʻa ma waenaTPUa me Pu?
TPU (polyurethane elastomer)
TPU (TheRmoppopopheʻanoʻokoʻa'ē aʻe. Ma muli o kāna hana maikaʻi, ka paleʻana o ka wā, a me ka hoaloha honua, e hoʻohana nuiʻiaʻo TPoms, nā kiʻina, nā mea kūʻai, nā meaʻala, a me nā'āpana.
Lanakila MarmoPlanche Elastomer ʻO kahi kaumaha Molecular kiʻekiʻe (1000-6000) polyester a iʻole polyether, a me b he cuin carbon pololei. ʻO keʻano o ke kemika ma waena o nā'āpana abisocynate e pili ana, e pili pinepineʻia e mdi.
ʻO ka myurethashatic Plyurethatic Plyulethane e hilinaʻi ana ma keʻano heʻano hydrogen I ka moltenten a iʻole ka hoʻonāʻana o ka moku'āina, a ma hope o ka hoʻohanaʻana i nā mea e hoʻopili ai a iʻole e hoʻopau i nā waiwai o ka paʻaʻana o ka paʻaʻana.
Polyurethane Thermoplarshiki ke kiʻiʻia i loko o nāʻanoʻelua: polyester a me ka polyether ʻO keʻano polyuther he haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa ma mua o kaʻano polyester. ʻO keʻano o ke aniani o ke aniani o keʻano polyether he 100.6-106.1 ℃, aʻo ia kaʻano polyester he 108.9-122.8 ℃. ʻOi aku ka nui o keʻano Pelekane o keʻano polyether a me keʻano polyester ma lalo o -62 ℃,ʻoiai keʻano haʻahaʻa o keʻano o keʻano o keʻano o keʻano o keʻano o keʻano.
ʻO nā hiʻohiʻona maikaʻi loa o nā polyurethane thermoplanches elastorers elastomers e pale aku, elastarity, maikaʻi ka paleʻana, a me ke kuʻekuʻe maikaʻi. Ma nā wahi haʻahaʻa,ʻo ke kūpaʻaʻana o ka hydrolysis o nā esters polyher esters ma mua o nāʻano polyester.
ʻO Polyurethane Thermoplastic,ʻaʻole i nā mea alohaʻole, e hoʻomoʻaʻia i loko o ka cycyll ethers Hōʻike lākou i kahi kūlana kalaʻole a me keʻano a me keʻano kūpono.
Post Time: APR-22-2024