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Nā uhi
pale melemele no ka ʻenekinia plastikMa waho aʻe o ka photooxidation, hiki ke hoʻohaʻahaʻa ʻia ke kiʻiʻoniʻoni e hana ana i ka resin i loko o ka uhi e ka hydrolysis, ʻoi aku ka nui o ka piʻi ʻana o ka mahana o ka uhi ma lalo o ka lā kiʻekiʻe.Ma lalo o kēia mau kūlana, hiki i nā molekala wai i hoʻopaʻa ʻia i loko o ka uhi ke hoʻouka i nā paʻa covalent i loko o ka resin a hoʻokaʻawale i nā kaulahao polymer, e hopena i ke kaumaha molekala haʻahaʻa.ʻOi aku ka maʻalahi o nā resins polyester a me alkyd i kēia hopena ma mua o nā polyurethanes a me nā epoxies.
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Kaona Hoʻopaʻa Radical Free
kalapona kalapona kalapona scavengerʻO ka polymer ka mea maʻamau i kahi kūlana anoxic ma lalo o nā kūlana hoʻoponopono extrusion, a aia ka ʻōnaehana i ka nui o nā kalapona kalapona ma mua o nā radical alkoxy a me nā radical hydroxyl.No laila, pono e hiki i ka stabilizer kaʻina hana kūpono ke hopu i nā radical manuahi me ka maikaʻi.ʻO ka antioxidant hydroxylamine i ʻōlelo ʻia ma luna nei he ʻano mea hoʻopaʻa kalapona kalapona.
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Plastics Aging°redation
pale melemele no ka ʻenekinia plastikʻO ka oxidation a me ka hopena o ka ʻelemakule e hiki ke hana i ke kaʻina hana a me ka hoʻohana ʻana i ka plastic, rubber a me nā mea polymer ʻē aʻe, ka hopena i ka hōʻemi ʻana i ka ikaika o ka ʻike kino, ka ikaika anti-warping, ka ikaika tensile a me ka elongation a me nā waiwai ʻē aʻe.
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Nā mea hoʻohui hou
reactive UV, LS reactive, mea hoʻohui paʻa pāluaʻO ka resin a Kina (i wehewehe nui ʻia, hiki ke hoʻohana ʻia i mea maka no ka hana ʻana i nā huahana plastik i kapa ʻia ʻo resin) ke ulu wikiwiki nei ka ʻoihana.Ke hoʻomau nei ka hoʻonui ʻana o ka huahana, a ʻo ke kulekele ʻoihana ʻāina e paipai i ka ʻoihana resin e hoʻomohala i ke ʻano o nā huahana kiʻekiʻe.ʻO nā ʻano like ʻole o ka resin a Kina ua kūpono loa, akā i ka hoʻohālikelike ʻia me nā hoa holomua ʻē aʻe, aia nō kekahi āpau ... -
ZJ5575
Hoʻomaka Helu CAS:2122-49-8 Inoa Kemika: Tri-(4-hydroxy-TEMPO) phosphite Structure: ZJ5575 kahi ʻano hou o ka mea hoʻopaneʻe hana kiʻekiʻe.ʻOi aku ka maikaʻi o ka hoʻokō copolymerization o ZJ5575 ma mua o ka phenolic, aromatic amines, ethers, quinones a me nā pūhui nitro.Kūpono ʻia nā noi ZJ5575 no ka pale ʻana i ka polymerization ponoʻī o ka olefin a me ka monomer unsaturated i ke kaʻina hana, hoʻokaʻawale, hoʻomaʻemaʻe, mālama a me nā transportati ...
