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YIHOO PA (polyamide) polymerization & hoʻololi nā mea hoʻohui
ʻO Polyamide (i kapa ʻia ʻo PA a i ʻole Nylon) nā huaʻōlelo generic o ke kēpau thermoplastic, i loaʻa ka pūʻulu amide i hana ʻia ma ke kaulahao molekiola nui. Pākuʻi ʻia ʻo PA i nā PA aliphatic, aliphatic - PA ʻaʻala a me PA ʻala, kahi PA aliphatic, i lawe ʻia mai ka helu o nā ʻāpana kalapona i loko o ka monomer synthetic, he nui nā ʻano, ka hiki a me ka noi nui.
Me ka miniaturization o nā kaʻa, ka hana kiʻekiʻe o nā pono uila a me nā pono uila, a me ka wikiwiki o ke kaʻina māmā o nā pono mīkini, e ʻoi aku ka kiʻekiʻe o ka noi no ka nylon. ʻO nā hemahema maoli o ka Nylon kekahi mea nui e kaupalena ana i kāna noi, no ka PA6 a me PA66, ke hoʻohālikelike ʻia me nā ʻano PA46, PA12, loaʻa ke kumu kūʻai ikaika, ʻoiai ʻaʻole hiki i kekahi hana ke hoʻokō i nā koi o ka hoʻomohala ʻana i nā ʻoihana pili.
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YIHOO PU (polyurethane) hua hoʻohui hoʻohui
ʻO ka plastic foam kekahi o nā ʻano nui o nā mea synthetic polyurethane, me ke ʻano o ka porosity, no laila he liʻiliʻi ka nui o ka pilina, a kiʻekiʻe kona ikaika kikoʻī. Wahi a nā ʻano mea like ʻole a me nā haʻina, hiki ke hana ʻia i palakiko, semi-rigid a paʻakikī hoʻi i ka polyurethane foam plastic etc.
Hoʻohana ākea ʻo PU foam, ʻaneʻane komo i loko o nā ʻāpana āpau o ka hoʻokele waiwai aupuni, keu hoʻi i nā lako hale, nā moe, nā halihali, nā hau, ke kūkulu ʻana, ka hoʻāno a me nā noi ʻē aʻe.
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YIHOO PVC (polyvinyl chloride) polymerization & hoʻololi i nā mea hoʻohui
ʻO Polyvinyl chloride (PVC) kahi polymer o vinyl chloride monomer (VCM) i polymerized e ka peroxide, azo compound a me nā mea hoʻomaka ʻē aʻe a i ʻole nā radical polymerization react i hana ma lalo o ka hana o ka mālamalama a me ka wela. Ua kapa ʻia ka vinyl chloride homo polymer a me ka vinyl chloride co polymer.
ʻO ka PVC ka mea nui loa i hana ʻia i loko o ka honua a hoʻohana nui ʻia. Hoʻohana ākea ia i nā mea kūkulu hale, nā huahana ʻoihana, nā pono o kēlā me kēia lā, ka ʻili papahele, nā pōhaku lepo, nā ʻili hana, nā paipu, nā kaula a me nā kaula, nā kiʻi ʻūlū, nā ʻōmole, nā mea huʻi, nā mea hoʻopaʻa, nā olonā a pēlā aku.
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Nā mea hoʻohui YIHOO PC (Polycarbonate)
ʻO Polycarbonate (PC) kahi polymer e loaʻa ana i ka hui carbonate i ka kaulahao molekiola. Wahi a ke ʻano o ka hui ester, hiki ke hoʻokaʻawale ʻia i aliphatic, aromatic, aliphatic - aromatic a me nā ʻano ʻē aʻe. ʻO nā pono mechanical mehana o ka aliphatic a me ka aliphatic aromatik polycarbonate e kaupalena i kā lākou noi i nā ʻenehana plastics. ʻO polycarbonate ʻaʻala wale nō i hana ʻia me kahi ʻoihana. Ma muli o ka kikoʻī o ka hanana polycarbonate, ua lilo ʻo PC i nā plastics ʻenehana laulā me ka ulu wikiwiki i waena o nā ʻelima hana ʻenehana.
ʻAʻole kūpaʻa ʻo PC i nā kukui ultraviolet, alkali ikaika, a me nā ʻōpala. Huli melemele me ka hōʻike lōʻihi i ultraviolet. No laila, pono ka pono no nā mea hoʻohui i hoʻololi ʻia.
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YIHOO TPU elastomer (Thermoplastic polyurethane elastomer) mea hoʻohui
ʻO Thermoplastic polyurethane elastomer (TPU), me kāna mau waiwai maikaʻi a me ka noi ākea, ua lilo i kekahi o nā mea nui elastomer thermoplastic, nona nā mole e laina laina me ka liʻiliʻi a ʻaʻohe paha crosslinking kemika.
Nui nā pilina o ke kino i hana ʻia e nā pilina hydrogen ma waena o nā kaulahao molekika polyurethane linear, kahi e hoʻoikaika ai i kā lākou morphology, no laila e hāʻawi ana i nā waiwai maikaʻi he nui, e like me ka modulus kiʻekiʻe, ka ikaika kiʻekiʻe, ka pale lole maikaʻi, ke kūpaʻa kemika, ke kūpaʻa hydrolysis, kiʻekiʻe a ke kūpale o ka mahana a me ke kūpaʻa. Hana kēia mau waiwai maikaʻi i thermoplastic polyurethane i hoʻohana ākea ʻia i nā ʻano mea like ʻole e like me nā kāmaʻa, ke kaula uila, nā lole, nā kaʻa, nā lāʻau lapaʻau a me ke olakino, paipu, kiʻiʻoniʻoni a me ka pale.
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YIHOO Low VOC automotive trim mea hoʻohui
I nā makahiki i hala aku nei, me ka hoʻokō ʻana o nā lula ea maikaʻi ma loko o ke kaʻa, ua lilo ka pae o ka kaʻa i loko o ke kaʻa a me ka pae VOC (Comprehensive Organic Compounds) i mea nui o ka nānā ʻana i ka maikaʻi o ke kaʻa. ʻO ka VOC ke kauoha o nā meaola kūlohelohe, pili pinepine i ka hale kaʻa a me nā ʻāpana ukana o nā meaola, e like me ka benzene series, aldehydes a me ketones a me undecane, butyl acetate, phthalates a pēlā aku.
Ke piʻi ka VOC i loko o ke kaʻa i kekahi pae, e hopena ia i nā ʻōuli e like me ka ʻeha poʻo, kahoho, ka luaʻi a me ka luhi, a hoʻolilo hoʻi i ka hoʻoluliluli a me ka maʻi kō i nā hihia koʻikoʻi. E hōʻino ia i ke akepaʻa, nā konāhua, ka lolo a me nā ʻōnaehana, e hopena ai i ka nalo ʻana o ka hoʻomanaʻo a me nā hopena koʻikoʻi ʻē aʻe, kahi mea hoʻoweliweli i ke olakino kanaka.
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YIHOO mea hoʻopau hoʻopau lole i nā mea hoʻohui
ʻO ka mea hoʻopau lole ka mea hana loea no ka hoʻopau lole. Ma muli o ka nui o nā ʻano, manaʻo ʻia e koho i ke ʻano kūpono e like me nā koi a me nā māka o ka hoʻopau kemika. I ka wā o ka hana ʻana, ʻo ka mea hoʻopau haʻahaʻa molaki haʻahaʻa ka hapanui o ka hopena, ʻoiai ka emuliona hoʻopau mole kiʻekiʻe. Hoʻopili pū ʻia me ka agena hoʻopau, UV absorber, noi e hoʻomaikaʻi i ka mea hoʻomaikaʻi i ka wikiwiki a me nā mea kōkua ʻē aʻe i ka wā hana.
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YIHOO Nā mea hoʻohui laula o nā plastics
Ua lilo ka Polymers i mea e pono ai i kēlā me kēia ʻano o ke ola o kēia ao, a ua hoʻonui ka holomua o kā lākou hana a me kā lākou hana ʻana i nā plastics, a i kekahi mau noi, ua hoʻololi hou nā polymers i nā mea like ʻole e like me ke aniani, mea hao, pepa a me nā lāʻau.
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YIHOO Nā mea hoʻohui uhi laulā
Ma lalo o nā kūlana kūikawā, nā uhi a me nā pena pena e like me ka pena waho, ka pena, ka pena kaʻa, e hoʻonui ai i ke kaʻina hana ʻelemakule, ma hope o ka hōʻike lōʻihi ʻana i ka pāhawewe ultraviolet, ʻelemakule māmā, oxygen oxygen.
ʻO ke ala kūpono e hoʻomaikaʻi ai i ka pae pale kū i ke aniani e hoʻohui i ka antioxidant a me ka light stabilizer, i hiki ke kāohi pono i nā oxidation radicals free i ka resin plastic, decomposition of hydrogen peroxide, and capture free radicals, i mea e hāʻawi ai i ka pale lōʻihi no kēpau kēpau, a lohi loa i ka nalo ʻana o ka gloss, melemele a me ka pulverization o ka uhi ʻana.
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Mea hoʻohui mea hoʻonani
I nā makahiki i hala iho nei, me ka wikiwiki o ka hana ʻana, hoʻonui ka mana o ke kanaka i ka nohona kūlohelohe, kahi e hoʻemi ai i ka hopena pale o ka ozone layer. Ke piʻi nei ka ikaika o nā kukuna ultraviolet i ka ʻili o ka honua i ka lā e hoʻoweliweli pololei nei i ke olakino kanaka. I ke ola o kēlā me kēia lā, i mea e hōʻemi ai i ka hōʻino ʻana o ka radiation ultraviolet i ka ʻili, pono ka poʻe e pale i ka puka ʻana o ka lā a hele i waho i ka manawa o ke awakea e hōʻike ana i ka lā, e komo ana i kahi kapa pale, a me ka hoʻohana ʻana i nā mea hoʻonaninani i ka lā i mua o ka pale o ka lā, i waena o lākou. , ʻo ka hoʻohana ʻana i nā mea hoʻonani o ka pale o ka lā ka hoʻohana pinepine ʻia o ka pale uv, hiki iā ia ke pale i ka lā e hoʻokomo ʻia i ka erythema a me ka hōʻeha insolation, pale a hōʻemi paha i ka hōʻino ʻana o DNA, hiki i ka hoʻohana mau ʻana o nā pale aniani ke pale i ka ʻino ma mua o ka maʻi ʻaʻai. ka loaʻa ʻana o ka maʻi ʻaʻai o ka lā.
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API (ʻĀpana lāʻau lapaʻau hana)
ʻO kā mākou hale hana e waiho nei ma Linyi, ka moku ʻo Shandong, hiki ke hāʻawi i lalo o API a me nā waena
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Nā huahana kemika ʻē aʻe
Ma waho aʻe o ka lula nui, hoʻopili i nā mea hoʻohui hoʻololi, ua hoʻonui ikaika ka ʻoihana i kahi ākea ākea, i mea e hoʻonui ai i ka mahele huahana no nā mea hoʻohana hou aku.
Hiki i ka ʻoihana ke hāʻawi i nā huahana sieve molekiola, 6FXY
(2,2-Bis (3,4-dimethylphenyl) hexafluoropropane) a me 6FDA (4,4 "- (Hexafluoroisopropylidene) diphthalic anhydride).
