Inoa mea kūʻai:Polyvinyl Chloride
Hōʻano molekala:C2H3Cl
Helu CAS:9002-86-2
Huahana molecular structure:
Nā waiwai kemika:
ʻO ka polyvinyl chloride, PVC i hoʻopau pinepine ʻia, ʻo ia ke kolu i hana nui ʻia ma hope o ka polyethylene a me ka polypropylene.Hoʻohana ʻia ʻo PVC i ke kūkulu ʻana no ka mea ʻoi aku ka maikaʻi ma mua o nā mea kahiko e like me ke keleawe, ka hao a i ʻole ka lāʻau i ka paipu a me nā noi profile.Hiki ke maʻalahi a maʻalahi hoʻi e ka hoʻohui ʻana i nā plasticizers, ʻo ka phthalates ka mea i hoʻohana nui ʻia.Ma kēia ʻano, hoʻohana ʻia i nā lole a me nā upholstery, insulation cable uila, nā huahana inflatable a me nā noi he nui e hoʻololi ai i ka lāʻau.
ʻO ka polyvinyl chloride maʻemaʻe he paʻa keʻokeʻo.ʻAʻole hiki ke hoʻoheheʻe ʻia i ka waiʻona, akā hiki ke hoʻoheheʻe ʻia i ka tetrahydrofuran.
ʻO ka peroxide- a i ʻole ka thiadiazole-cured CPE e hōʻike ana i ke kūpaʻa wela maikaʻi a hiki i 150 ° C a ʻoi aku ka maikaʻi o ka ʻaila ma mua o nā elastomers nonpolar e like me ka lāʻau kūlohelohe a i ʻole EPDFM.
He palupalu nā huahana kālepa inā he 28-38% ka nui o ka chlorine.ʻOi aku ma mua o 45% chlorine content, ua like ka mea me ka polyvinyl chloride.ʻO ka polyethylene kiʻekiʻe-molecular-weight e hāʻawi mai i kahi polyethylene chlorinated i loaʻa ka viscosity kiʻekiʻe a me ka ikaika tensile.
Noi:
ʻO ke kumu kūʻai haʻahaʻa o PVC, ke kūpaʻa ola a me ke kemika a me ka hiki ke hana i ka hopena i hoʻohana ʻia no nā ʻano noi like ʻole.Hoʻohana ʻia ia no nā paipu sewerage a me nā noi paipu ʻē aʻe kahi i kaupalena ʻia ai ke kumukūʻai a i ʻole ka nāwaliwali i ka corrosion i ka hoʻohana ʻana i ka metala.Me ka hoʻohui ʻana o nā mea hoʻololi a me nā stabilizers, ua lilo ia i mea kaulana no nā puka makani a me nā puka puka.Ma ka hoʻohui ʻana i nā plasticizers, hiki ke maʻalahi e hoʻohana ʻia i nā noi cabling ma ke ʻano he insulator uea.Ua hoʻohana ʻia i nā noi ʻē aʻe he nui.
Paipu
Hoʻohana ʻia ka hapalua o ka polyvinyl chloride resin o ka honua i hana ʻia i kēlā me kēia makahiki no ka hana ʻana i nā paipu no nā noi kaona a me nā ʻoihana.Ma ka mākeke hoʻohele wai, ʻo ia ka 66% o ka mākeke ma US, a ma nā noi paipu hoʻomaʻemaʻe maʻemaʻe, ʻo ia ka 75%.ʻO kona kaumaha māmā, ke kumu kūʻai haʻahaʻa, a me ka mālama haʻahaʻa e hoʻohiwahiwa ai.Eia nō naʻe, pono e hoʻokomo pono ʻia a hoʻomoe ʻia i mea e hōʻoia ai ʻaʻole hiki mai ka haʻalulu lōʻihi a me ka overbelling.Eia hou, hiki ke hui pū ʻia nā paipu PVC me ka hoʻohana ʻana i nā mea hoʻoheheʻe ʻokoʻa, a i ʻole ka wela-fused (butt-fusion process, e like me ka hoʻohui ʻana i ka paipu HDPE), e hana ana i nā hono paʻa i ʻaneʻane hiki ʻole i ka leakage.
Uila uila
Hoʻohana mau ʻia ʻo PVC ma ke ʻano he insulation ma nā kaula uila;ʻO ka PVC i hoʻohana ʻia no kēia mea pono e plasticized.
ʻO ka polyvinyl chloride (uPVC) no ka hana ʻana
Hoʻohana nui ʻia ka uPVC, ʻike ʻia ʻo PVC paʻa, i ka ʻoihana hale ma ke ʻano he mea mālama haʻahaʻa, ʻoi aku ma Ireland, United Kingdom, a me ʻAmelika Hui Pū ʻIa.Ma USA ua ʻike ʻia ʻo ia ʻo vinyl, a i ʻole vinyl siding.Loaʻa nā mea i nā kala a me nā mea hoʻopau, me kahi kiʻi - hopena lāʻau hoʻopau, a hoʻohana ʻia ma ke ʻano he pani no ka lāʻau pena, ʻo ka hapa nui no nā papa pukaaniani a me nā sills i ka wā e hoʻokomo ai i nā aniani pālua i nā hale hou, a i ʻole e hoʻololi i ka mea kahiko hoʻokahi-glazed. puka makani.ʻO nā mea hoʻohana ʻē aʻe he fascia, a me ka ʻaoʻao a i ʻole ka weatherboarding.Ua aneane pau loa keia mea i ka hoohana ana i ka hao no ka paipu a me ka hookahe, e hoohana ia ana no na paipu palau, paipu wai, auwai a me na puuwai.ʻAʻole i loko o ka uPVC nā phthalates, no ka mea, ua hoʻohui wale ʻia ia mau mea i ka PVC maʻalahi, ʻaʻole hoʻi he BPA.ʻIke ʻia ʻo uPVC me ke kūʻē ikaika ʻana i nā kemika, ka lā, a me ka oxidation mai ka wai.
Nā lole a me nā lako
Ua hoʻohana nui ʻia ʻo PVC i nā lole, no ka hana ʻana i kahi mea ʻili-like a i kekahi manawa no ka hopena o PVC.He mea maʻamau ka lole PVC ma Goth, Punk, fetish lole a me nā ʻano hana ʻē aʻe.ʻOi aku ka maikaʻi o ka PVC ma mua o ka ʻōpala, ka ʻili, a me ka latex no laila e hoʻohana ʻia ai e hoʻohālikelike.
Papahana mālama ola kino
ʻO nā wahi noi nui ʻelua no nā pūhui PVC i ʻae ʻia i ka lāʻau lapaʻau he mau ipu a me nā paipu: nā ipu i hoʻohana ʻia no ke koko a me nā ʻāpana koko no ka mimi a i ʻole nā huahana ostomy a me nā paipu i hoʻohana ʻia no ka lawe koko a me nā hoʻonohonoho hāʻawi koko, catheters, heartlung bypass set, hemodialysis set etc. Ma ʻEulopa, ʻo ka hoʻohana ʻana i ka PVC no nā mea lapaʻau ma kahi o 85.000 tons i kēlā me kēia makahiki.ʻO kahi kokoke i kahi hapakolu o nā mea lapaʻau e pili ana i ka plastic i hana ʻia mai PVC.
Papa papahele
He mea maʻalahi ka papahele PVC maʻalahi a hoʻohanaʻia i loko o nā hale likeʻole e uhi ana i ka home, nā halemai, nā keʻena, nā kula, a me nā mea'ē aʻe. Hiki ke paʻakikī a me 3D ma muli o nā paʻi i hiki ke hanaʻia a laila e paleʻia e kahi lole lole māmā.Hāʻawi ka papa waena vinyl foam i kahi ʻoluʻolu a palekana.ʻO ka maʻemaʻe a me ka paʻakikī o ka papa lole luna e pale ai i ke kūkulu ʻana i ka lepo e pale ai i nā microbes mai ka hoʻoulu ʻana i nā wahi pono e mālama ʻia, e like me nā halemai a me nā keʻena.
Nā noi ʻē aʻe
Ua hoʻohana ʻia ʻo PVC no ka lehulehu o nā huahana mea kūʻai aku me ka liʻiliʻi liʻiliʻi i hoʻohālikelike ʻia i nā noi ʻoihana a me nā ʻoihana i hōʻike ʻia ma luna.ʻO kekahi o kāna mau noi kūʻai kūʻai lehulehu mua loa ʻo ia ka hana ʻana i nā moʻolelo vinyl.ʻO nā hiʻohiʻona hou loa e pili ana i ka uhi pā, nā hale ʻōmaʻomaʻo, nā pā pāʻani home, ka ʻūhā a me nā mea pāʻani ʻē aʻe, nā mea hoʻoheheʻe kaʻa maʻamau (tarpaulins), nā pā kaupaku a me nā ʻano ʻano pale o loko.