KA HANA O CPE MA PVC LAAU-PLASTIC COMPOSITES
Ke hoʻohana nei i ka CPE a me ka PVC i hoʻohui ʻia i nā puka plastik a me nā puka makani, ʻoi aku ka maikaʻi o ka elasticity, ka paʻakikī a me ka haʻahaʻa haʻahaʻa haʻahaʻa, a maikaʻi ke kūpaʻa ʻana o ka ea, ka wela a me ke kūpaʻa kemika.
Hoʻokumu nui ʻia nā mea hoʻohui kumu lāʻau PVC me ka resin PVC a me nā mea hoʻopihapiha. Ma o ka hui pū ʻana me nā mea kanu, ka hoʻoponopono ʻana i ka ʻenehana formula, a me ka hoʻololi ʻana i ke kino me ka modifier CPE (chlorinated polyethylene) (me ka hopena incremental a me ka hopena Hoʻololi), hiki ke hoʻomaikaʻi i ka paʻakikī, rigidity, ikaika, kūpaʻa wela a me ke ahi retardancy o ka huahana ( i loko o ka ʻae ʻia o nā koina waiwai kino, ʻoi aku ka kiʻekiʻe o ka chlorine content o CPE, ʻoi aku ka maikaʻi o ka hopena o ka lapalapa ahi), hoʻonui i ka ikaika tensile, hoʻomaikaʻi ʻO ka brittleness a me ka pale ʻana o PVC.
ʻOkoʻa loa ke ʻano hana hoʻoheheʻe ʻana o nā kumulāʻau lāʻau-plastic composite PVC mai nā mea plastik maʻamau. No ka mea ʻo ka cellulose ka mea nui o ka fiber, cellulose ka nui o nā pūʻulu hydroxyl, a ʻo kēia mau pūʻulu hydroxyl e hoʻokumu i nā paʻa hydrogen intermolecular, kahi e hana ai nā mea kanu i ka polarity ikaika a me ka absorption wai. Ma ka ʻaoʻao ʻē aʻe, ʻo ka hapa nui o nā mea thermoplastic he non-polar a me ka hydrophobic, no laila ʻilihune loa ka launa ʻana ma waena o nā mea ʻelua, liʻiliʻi ka ikaika hoʻopaʻa ʻana ma ka interface, a nui ka nui o ka hoʻopiha ʻana o nā mea kanu, no laila ke kahe a me ka hana o ka mea kanu. lilo ka waiwai i mea ʻilihune, paʻakikī ke kāwili ʻana a me ka hoʻoheheʻe ʻana. No laila, ʻoi aku ka maikaʻi o ka hoʻomaikaʻi ʻana i ka hoʻokumu ʻana i nā mea hoʻohui lāʻau-plastic composite i ka hoʻomaikaʻi ʻana i ka hana ʻana a me ka hana huahana.
Ua hoʻomaka koke ʻia ʻo CPE ma ke ʻano he PVC modifier, a ʻo PVC i hoʻololi ʻia ʻo ia kekahi o nā kahua noi nui loa o CPE. Loaʻa iā CPE nā waiwai hoʻopihapiha maikaʻi loa, a hiki ke hoʻohui ʻia ka nui o nā mea hoʻopihapiha e hoʻomaikaʻi i kāna mau waiwai tensile, hoʻoemi a me ka deformation mau, a hoʻemi i nā kumukūʻai. Hoʻonui ʻia ka waiwai hoʻohana o ka PVC i hoʻololi ʻia.
I loko o ka polokalamu CPE i hoʻololi ʻia a me nā huahana PVC paʻakikī, i hoʻohālikelike ʻia me nā polymers ʻē aʻe e like me PE a me PP, ʻoi aku ka nui o ka hopena o ka lapalapa ahi. Nui nā huahana PVC paʻakikī i hoʻololi ʻia me ka CPE modifier me ka chlorine maʻiʻo o 36%, a ʻo kona ikaika hopena kiʻekiʻe loa e loaʻa pinepine ʻia e CPE me nā ʻātoma chlorine i puʻunaue wale ʻia ma ke kaulahao nui polyethylene. No laila, hiki ke hoʻomaikaʻi maikaʻi ʻia kēia mea hoʻololi ma ke ʻano o ka processability, dispersibility, a me ka ikaika hopena.
KA HOOPII ANA O CPE MA KA UEA INSULATION LAYER, TIRE, BELT
No ka mea, ʻaʻole i loaʻa i ka mole CPE nā kaulahao pālua, maikaʻi ke kūʻē i ka wā, ke kūpaʻa ahi, ʻoi aku ka maikaʻi o ka wela ma mua o PVC, ke kumu kūʻai haʻahaʻa a me ka hana maikaʻi loa. Hiki ke hoʻoheheʻe ʻia i loko o ka hydrocarbons aromatic a me ka halogenated hydrocarbons, insoluble i loko o ka aliphatic hydrocarbons, decomposes ma luna o 170 ° C, a hoʻokuʻu i ke kinoea hydrogen chloride. Loaʻa iā ia kahi hoʻolālā kemika paʻa, kūpaʻa ʻelemakule maikaʻi loa, pale ʻana i ke ahi, kū i ke anuanu, kū i ka wā, kala kala ʻole, kūʻē Ke kūʻē kemika, kūʻē ozone a me ka uila uila, kūpono maikaʻi a me ka processability, hiki ke hoʻohui ʻia me PVC, PE, PS a me ka lāʻau. hoʻomaikaʻi i kona mau waiwai kino.
ʻO CPE kahi ʻano mea synthetic hou me kahi ʻano o nā waiwai maikaʻi loa. He mea hoʻololi hoʻololi maikaʻi loa ia no nā plastik PVC a me kahi pahu synthetic me nā waiwai piha maikaʻi. Loaʻa iā ia kahi ākea ākea o nā noi a ua hoʻohana nui ʻia i nā kaula, nā uea, nā hoses, nā lipine, nā mea ʻala a me nā huahana plastik, nā mea hoʻopaʻa, a me nā kāʻei conveyor pale ahi. , ʻO ka membrane pale wai, kiʻiʻoniʻoni a me nā mea profiled like ʻole a me nā huahana ʻē aʻe. Hiki ke hui pū ʻia ka CPE me ka polypropylene, ka polyethylene kiʻekiʻe a me ka haʻahaʻa haʻahaʻa, ABS, etc. Hiki ke manaʻo ʻia ʻo CPE ma ke ʻano he copolymer maʻamau o ka ethylene, polyethylene a me 1.2-dichloroethylene. Hoʻopiha ʻia kona kaulahao molekala a puʻunaue ʻia nā ʻātoma chlorine polar. Ma muli o kāna mau waiwai kino a me kemika, hoʻohana nui ʻia ia i nā mīkini a me ka uila. , kemika, nā mea hale a me nā ʻoihana eli. ʻOi aku ka maikaʻi o ka pale ʻana i ka wela CPE, ka pale ʻana o ka ozone a me ka pale ʻana i ka wā, ʻoi aku ka maikaʻi o ka pale ʻana i ka wā kahiko ma mua o ka nui o ka lāʻau, ʻoi aku ka maikaʻi o ka ʻaila ma mua o ka nitrile rubber (ABR), neoprene (CR), ʻoi aku ka maikaʻi o ka pale ʻana ma mua o ka chlorosulfonated vinyl chloride (CSM); kū'ē i ka waikawa, Alkali, paʻakai a me nā mea ʻino ʻē aʻe, ʻaʻohe mea ʻawaʻawa, pale ahi, ʻaʻohe pōʻino pahū.
HOOLAHA O CPE MA KA INIHA
Hiki ke hana ʻia ka polyethylene chlorinated e ka hoʻoheheʻe ʻana a me ka hoʻoheheʻe extrusion. Eia nō naʻe, ʻoiai he nui ka nui o nā ʻātoma chlorine i ka CPE, pono e hoʻohui ʻia kekahi hapa o nā mea hoʻonaninani wela, nā antioxidants a me nā stabilizer māmā i ka CPE ma mua o ka hoʻoheheʻe ʻana e pale i ke kūpaʻa o kāna haku mele a me kāna hana. Loaʻa nā CPE haʻahaʻa-chlorine i ka hoʻoheheʻe ʻana a me ka hoʻoheheʻe ʻana.
I kēia manawa, hoʻohana nui ʻia ka polyethylene chlorinated ma ke ʻano he mea hoʻololi no PVC, HDPE a me MBS i ka ʻoihana huahana plastik. Ma hope o ka hui ʻana i kekahi hapa o ka CPE i ka resin polyvinyl chloride, hiki ke hoʻokuʻu ʻia i nā huahana e like me nā paipu, nā pā, nā uhi insulation wire, profiles, films, shrink films, etc. hiki ke hoʻohana ʻia no ka uhi ʻana, ka hoʻoheheʻe ʻana, a me nā mea ʻē aʻe. hoʻohana ʻia e like me ka mea hoʻololi no PVC a me PE, hiki ke hoʻomaikaʻi i ka hana huahana, hoʻomaikaʻi i ka elasticity, paʻakikī a me ka hana haʻahaʻa haʻahaʻa o PVC, a hoʻemi i ka mahana embrittlement i -40 ° C; ʻoi aku ka maikaʻi o ka pale ʻana i ka wā, ka wela a me ke kūpaʻa kemika ma mua o nā mea hoʻololi ʻē aʻe; ma ke ʻano he mea hoʻololi no ka PE, hiki iā ia ke hoʻomaikaʻi i ka paʻi ʻana, ka retardancy o ka lapalapa a me ka maʻalahi o kāna mau huahana, a hoʻonui i ka nui o ka pehu PE.
ʻO ka chlorinated polyethylene resin kahi ʻano mea synthetic hou me kahi ʻano o nā waiwai maikaʻi loa. He mea hoʻololi hoʻololi maikaʻi loa ia no nā plastik PVC a me kahi pahu synthetic me nā waiwai piha maikaʻi. Loaʻa iā ia kahi ākea ākea o nā noi a ua hoʻohana nui ʻia i nā kaula, nā uea, nā hoses, nā lipine, nā mea ʻala a me nā huahana plastik, nā mea hoʻopaʻa, a me nā kāʻei conveyor pale ahi. , ʻO ka membrane pale wai, kiʻiʻoniʻoni a me nā mea profiled like ʻole a me nā huahana ʻē aʻe. Hiki ke hui pū ʻia ka CPE me ka polypropylene, ka polyethylene kiʻekiʻe a me ka haʻahaʻa haʻahaʻa, ABS, etc. Hiki ke manaʻo ʻia ʻo CPE ma ke ʻano he copolymer maʻamau o ka ethylene, polyethylene a me 1.2-dichloroethylene. Hoʻopiha ʻia kona kaulahao molekala a puʻunaue ʻia nā ʻātoma chlorine polar. Ma muli o kāna mau waiwai kino a me kemika, hoʻohana nui ʻia ia i nā mīkini a me ka uila.
kemika, nā mea kūkulu hale a me nā ʻoihana eli. ʻOi aku ka maikaʻi o ka pale ʻana i ka wela CPE, ka pale ʻana o ka ozone a me ka pale ʻana i ka wā, ʻoi aku ka maikaʻi o ka pale ʻana i ka wā kahiko ma mua o ka nui o ka lāʻau, ʻoi aku ka maikaʻi o ka ʻaila ma mua o ka nitrile rubber (ABR), neoprene (CR), ʻoi aku ka maikaʻi o ka pale ʻana ma mua o ka chlorosulfonated vinyl chloride (CSM); kū'ē i ka waikawa, Alkali, paʻakai a me nā mea ʻino ʻē aʻe, ʻaʻohe mea ʻawaʻawa, pale ahi, ʻaʻohe pōʻino pahū.
Hoʻohana nui ʻia i: uea a me ke kaula (nā mine mine uea, nā uea i ʻōlelo ʻia ma nā kūlana UL a me VDE), nā hose hydraulic, nā hoses automotive, nā lipine, nā ʻōpala, PVC profile pipe hoʻololi, nā mea magnetic, ABS hoʻololi, etc.
KA PALAPALA O CPE MA KE KIIA
1. ʻOi aku ka maikaʻi o nā plasticizers a me nā antioxidants i hoʻohana ʻia i ka lāʻau a me nā plastics i ka PVC semi-rigid a palupalu, ʻoi aku hoʻi i ka hoʻoheheʻe ʻana a me nā huahana hana lua. E hoʻohana i ka CPE e like me PVC plasticizer, ʻaʻohe mae, ʻaʻohe neʻe, ʻaʻohe unuhi, a loaʻa i ke kūʻē ozonation a me ke kūpaʻa corrosion, kūpono maikaʻi. I ka hanaʻana i nā kiʻiʻoniʻoni, kaʻiliʻili, nā kāmaʻa kāmaʻa, nā hoses, a me nā mea'ē aʻe, hiki ke hoʻonui i ka palupalu, ke kala a hoʻolōʻihi i ke ola lawelawe o nā huahana. Hoʻohana ʻia ia e hana i nā pipeline anti-corrosion, nā uea, nā papa, a me nā ʻāpana i kaomi ʻia no nā māla aila, a ʻo kona kumukūʻai he 30% a 40% haʻahaʻa ma mua o nā PVC i hoʻololi ʻia. Hiki ke hana ʻia ka ʻōhū paʻa a me ke anuanu ma ka hui ʻana i ka CPE me PE a me PP, a ʻoi aku ka maikaʻi o kāna hana ma mua o ka polyurethane a me ka polystyrene foam. Ke hoʻohana nei i ka CPE ma ke ʻano he plasticizer mau no ABS, AS, PS, etc.
2. Hoʻohana ʻia i loko o nā mea hoʻohui ʻia ʻo CPE kahi pahu synthetic kūikawā me ka hana maikaʻi loa, ʻoi aku ka maikaʻi no nā uea a me nā uea me nā koi kiʻekiʻe e pili ana i ka wela wela, ka lapalapa ahi a me nā waiwai uila, a me nā kāʻei conveyor pale ahi kiʻekiʻe. Hiki ke hoʻohana 'ia no ka aila pipelines, kūkulu hale wai membranes a me kemika lako linings, a pela aku. etc. E like me ka rubber, ua emi kona kumukūʻai ma mua o ka neoprene a me ka nitrile rubber, a hiki ke hoʻohana ʻia i ka uea a me ka ʻoihana kelepona, nā ʻāpana automotive, kiʻekiʻe kiʻekiʻe a me ka aila kūpaʻa mau hoses, hoses, etc. e like me ke kopa chlorinated. Eia kekahi, hoʻohana nui ʻia ʻo CPE i nā huahana rubber like ʻole.
3. CPE hui CPE / styrene / acrylonitrile copolymer he kiʻekiʻe ka hopena o ka hopena, ka lapalapa ahi, ke kū i ka wā a me ka haʻahaʻa haʻahaʻa haʻahaʻa, a hiki i kāna kahua noi ke hoʻokūkū me ABS. Loaʻa i ka CPE/styrene/methacrylic acid copolymer ka ikaika hopena kiʻekiʻe, ka māliko a me ke kūpaʻa o ka wā. ʻO ka hui ʻana i ka CPE me ka NBR hiki ke hoʻomaikaʻi i nā ʻano waiwai piha o ka NBR a hiki ke hoʻohana ʻia no ka hana ʻana i ka hose ʻaila-ʻaila. Hiki ke hoʻohana pū ʻia ka CPE me SBR no ka hana ʻana i nā hoses a me nā membrane wai ʻole; hoʻohana pū ʻia me ka lāʻau lapaʻau kumu nui, hiki ke hoʻohana ʻia e like me ka lole ua, nā kaʻa kaʻa kalakala, nā ʻauwaʻa ea pale ahi, a me nā kaula. I Iapana, ʻo ka hapa nui o ka CPE i hui pū ʻia me ka lāʻau a me nā mea plastik e hoʻomaikaʻi ai i ka hana ʻana, ke ʻano o ka huahana a me ka maikaʻi o loko. Me ka hoʻonui ʻana o ka hoʻopuka CPE a me ka hoʻomaikaʻi ʻana i ka ʻenehana hana, hiki ke hana ʻia nā huila CPE / EVA, i loaʻa ka paʻa o ka dimensional maikaʻi a hoʻohana ʻia e hana i nā papa i mālama ʻia i nā haʻahaʻa haʻahaʻa. Hoʻohana ʻia ka CPE / chlorinated styrene i ka hana ʻana i nā insulators uila, nā ʻāʻī pale ahi, nā uhi, etc.
4. Hiki ke hana i ka CPE no nā pale kūikawā a me nā membrane waiʻole i nā pale kūikawā, e like me nā pale pale pale, nā pale pale, nā pale wai, a me nā mea'ē aʻe, e pani i nā mea'ē aʻe. Hoʻohui ʻia ʻo CPE/PVC e hana i ka membrane wai, ʻo ia ka mea wai wai waena. ʻO kona kūpaʻa ʻana i ka wā, ke kū ʻana o ka ozone, a me ka hoʻopaneʻe ʻana o ke ahi, ua like ia me nā membranes ethylene-propylene rubber kiʻekiʻe, a he haʻahaʻa ke kumu kūʻai a maikaʻi ka hana hana. ʻO ka hoʻoheheʻe ʻana i ka CPE i nā solvents maʻamau hiki ke hana i nā pale anti-corrosion. Ma hope o ka hoʻohui ʻana i ka CPE me ka asphalt, a me nā mea ʻē aʻe, hoʻohana pinepine ʻia e hana i nā uhi wai o ka hale me ka hana ʻoi aku ka maikaʻi.
5. High-chlorinated polyethylene High-chlorinated polyethylene he chlorine maʻiʻo o 61% a 75%. He mea paʻakikī, wela wela, ikaika kiʻekiʻe e like me ke aniani, a me kahi mea hana kiʻiʻoniʻoni me nā waiwai maikaʻi loa. Hiki ke hoʻohui ʻia me ka pena alkyd, epoxy resin, phenolic, unsaturated polyester, polyacrylate, etc. e hana i nā pale anti-corrosion me ka paʻa kemika maikaʻi. ʻOi aku ka maikaʻi o kona mau lapalapa ahi, ka pale ʻana i ka corrosion, ka pale ʻana i ka wā, a me ka elasticity ma mua o ka lāʻau chlorinated. ʻOkoʻa i ka lāʻau chlorinated. Loaʻa i ka polyethylene chlorinated kiʻekiʻe nā waiwai adhesion maikaʻi i ka metala a me ke kaʻa, no laila he hopena pale maikaʻi i kēia mau mea. ʻO ka polyethylene chlorinated kiʻekiʻe ka maikaʻi o ka miscibility me nā puaʻa inorganic a me nā mea kūlohelohe, a hiki ke hoʻohana ʻia e hana i nā uhi pale ahi.
6. Nā mea hoʻohana ʻē aʻe ʻO ka hoʻohui ʻana i ka CPE i ka ʻaila ʻaila hiki ke hoʻohaʻahaʻa i kona wahi maloʻo, a ʻo nā mea hoʻohui no ka ʻaila kaila hiki ke hoʻomaikaʻi i ke kūpaʻa ʻana o ka ʻaila i ke kaomi. ʻO ka hoʻohui ʻana i ka CPE i ka ʻoki ʻana i ka ʻaila a me ka ʻaila ʻaila hiki ke hoʻomaikaʻi i ke ola lawelawe o nā mea hana. Eia kekahi, hoʻohana ʻia ʻo CPE i nā mea hoʻomaʻemaʻe ʻili a me nā mānoanoa o nā inika paʻi, a me nā mea ʻē aʻe, a ke hoʻonui mau nei kāna ʻano noi.
He aha ke kuleana o ka hoʻohui ʻana i ka CPE i loko o ka hana palaki?
ʻO ka chlorinated polyethylene (CPE) kahi mea polymer saturated, ʻo ka hiʻohiʻona he pauka keʻokeʻo, ʻaʻohe mea ʻawaʻawa a me ka ʻono ʻole, maikaʻi loa ka pale ʻana i ke aniau, ke kūpaʻa ozone, ke kūpaʻa kemika a me ka pale ʻana i ka wā kahiko, a maikaʻi ke kūpaʻa aila, ka lapalapa ahi a me ka hana kala. ʻO ka paʻakikī maikaʻi (hiki ke maʻalahi i -30 ° C), kūpono maikaʻi me nā mea polymer ʻē aʻe, ka wela decomposition kiʻekiʻe, decomposition e hana i ka HCl, hiki i ka HCL ke hoʻoulu i ka hopena dechlorination o CPE. ʻO ka polyethylene chlorinated he mea polymer i hana ʻia mai ka polyethylene kiʻekiʻe kiʻekiʻe (HDPE) ma o ka hopena hoʻololi chlorination. Wahi a nā ʻano hana like ʻole a me ka hoʻohana ʻana, hiki ke hoʻokaʻawale ʻia ka polyethylene chlorinated i loko o ka resin type chlorinated polyethylene (CPE) a me ka elastomer type chlorinated polyethylene (CM). Ma waho aʻe o ka hoʻohana wale ʻia, hiki ke hui pū ʻia nā resins thermoplastic me ka polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), polystyrene (PS), ABS a me ka polyurethane (PU). I loko o ka ʻoihana pāpaʻi, hiki ke hoʻohana ʻia ka CPE ma ke ʻano he kiʻekiʻe kiʻekiʻe, kiʻekiʻe kiʻekiʻe kiʻekiʻe o ke kopa kūikawā, a hiki ke hoʻohana pū ʻia me ka ethylene-propylene rubber (EPR), butyl rubber (IIR), nitrile rubber (NBR), chlorosulfonated polyethylene ( CSM), etc. Hoʻohana ʻia nā huila ʻē aʻe.
