KE KŪLANA O CPE I NĀ HOʻOHUI PLASTIKA WOOD-PLASTIC PVC
Me ka hoʻohana ʻana i nā puka a me nā puka makani plastik i kāwili ʻia me ka CPE a me PVC, ua hoʻomaikaʻi nui ʻia ka elasticity, ka paʻakikī a me ka hana haʻahaʻa haʻahaʻa, a maikaʻi ke kūpaʻa i ke aniau, ke kūpaʻa wela a me ke kūpaʻa kemika.
ʻO nā mea hui lāʻau-plastic PVC i hana nui ʻia me ka resin PVC a me nā mea hoʻopihapiha. Ma o ka hoʻohuihui ʻana me nā olonā mea kanu, ka hoʻoponopono ʻana i ka ʻenehana formula, a me ka hoʻololi kino ʻana me ka modifier CPE (chlorinated polyethylene) (me ka hopena incremental a me ka hopena Modification), hiki ke hoʻomaikaʻi i ka paʻakikī, ka paʻakikī, ka ikaika, ke kū'ē wela a me ka pale ʻana i ka lapalapa o ka huahana (i loko o nā koi waiwai kino i ʻae ʻia, ʻo ke kiʻekiʻe o ka chlorine o CPE, ʻoi aku ka maikaʻi o ka hopena pale ʻana i ka lapalapa), hoʻonui i ka ikaika tensile, hoʻomaikaʻi i ka brittleness a me ke kū'ē ʻana i ka kolo o PVC.
ʻOkoʻa loa ke ʻano hana hoʻoheheʻe extrusion o nā mea hui lāʻau-plastic PVC mai nā mea plastik maʻamau. ʻOiai ʻo ka ʻāpana nui o ka fiber mea kanu he cellulose, aia ka cellulose i loko o ka nui o nā hui hydroxyl, a hana kēia mau hui hydroxyl i nā pilina hydrogen intermolecular, e hana ai i nā fiber mea kanu i ka polarity ikaika a me ka omo wai. Ma ka ʻaoʻao ʻē aʻe, ʻo ka hapa nui o nā mea thermoplastic he non-polar a hydrophobic, no laila ʻilihune loa ka hoʻohālikelike ma waena o nā mea ʻelua, liʻiliʻi ka ikaika hoʻopaʻa ma ka interface, a nui ka nui o ka hoʻopiha ʻana o nā fiber mea kanu, no laila lilo ka wai a me ka hiki ke hana o ka mea i mea ʻilihune, paʻakikī ke kāwili a me ka hoʻoheheʻe extrusion. No laila, ʻo ka hoʻomaikaʻi ʻana i ka hoʻokumu ʻana o nā mea hui lāʻau-plastic ua pāʻani i kahi hana maikaʻi i ka hoʻomaikaʻi ʻana i ka hana hoʻoheheʻe a me ka hana huahana.
Ua hoʻomohala koke ʻia ʻo CPE ma ke ʻano he mea hoʻololi PVC, a ʻo PVC i hoʻololi ʻia kekahi o nā kahua noi koʻikoʻi o CPE. Loaʻa i ka CPE nā waiwai hoʻopihapiha maikaʻi loa, a hiki ke hoʻohui ʻia ka nui o nā mea hoʻopihapiha like ʻole e hoʻomaikaʻi i kona mau waiwai tensile, compression a me ka deformation mau loa, a hoʻemi i nā kumukūʻai. Hoʻomaikaʻi ʻia hoʻi ka waiwai hoʻohana o ka PVC i hoʻololi ʻia.
I loko o nā 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, he mea koʻikoʻi loa ka hopena lapalapa. Hoʻololi ʻia nā huahana PVC paʻakikī he nui me kahi mea hoʻololi CPE me ka nui o ka chlorine o 36%, a ʻo kona ikaika hopena kiʻekiʻe loa e loaʻa pinepine ʻia e CPE me nā ʻātoma chlorine i hoʻolaha ʻia ma ke kaulahao nui polyethylene. No laila, hiki ke hoʻomaikaʻi nui ʻia kēia mea hoʻololi ma ke ʻano o ka hiki ke hana, ka hoʻolaha ʻana, a me ka ikaika hopena.
KA HOʻOPILI ʻANA O CPE MA KA PAPA INSULATION WIRE, TIRE, BELT
ʻOiai ʻaʻohe kaulahao pālua o ka molekole CPE, he kūpaʻa maikaʻi kona i ke aniau, kūpaʻa lapalapa, kūpaʻa wela ma mua o PVC, haʻahaʻa ke kumukūʻai a me ka hana maikaʻi loa. Hoʻoheheʻe ʻia i loko o nā hydrocarbons ʻala a me nā hydrocarbons halogenated, ʻaʻole hoʻoheheʻe ʻia i loko o nā hydrocarbons aliphatic, decomposes ma luna o 170 ° C, a hoʻokuʻu i ke kinoea hydrogen chloride. Loaʻa iā ia kahi ʻano kemika paʻa, kūpaʻa maikaʻi loa i ka ʻelemakule, kūpaʻa lapalapa, kūpaʻa anu, kūpaʻa aniau, kala manuahi, kūpaʻa Kemika, kūpaʻa ozone a me ka insulation uila, kūpono maikaʻi a me ka hiki ke hana, hiki ke hoʻohui ʻia me PVC, PE, PS a me ka rubber e hoʻomaikaʻi i kona mau waiwai kino.
He ʻano mea synthetic hou ʻo CPE me kahi moʻo o nā waiwai maikaʻi loa. He mea hoʻololi hopena maikaʻi loa ia no nā plastik PVC a me kahi rubber 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 hose, nā lipine, nā huahana rubber a me nā plastik, nā mea sila, a me nā kāʻei conveyor flame-retardant. , Membrane wai ʻole, kiʻiʻoniʻoni a me nā mea like ʻole i hoʻopili ʻia a me nā huahana ʻē aʻe. Hiki ke hoʻohuihui ʻia ʻo CPE me ka polypropylene, polyethylene kiʻekiʻe a me ke kaomi haʻahaʻa, ABS, a pēlā aku e hoʻomaikaʻi i ka pale ʻana i ka lapalapa, ke kū'ē ʻana i ka ʻelemakule a me ka hana paʻi o kēia mau plastik. Hiki ke manaʻo ʻia ʻo CPE he copolymer random o ethylene, polyethylene a me 1.2-dichloroethylene. Ua saturated kona kaulahao molekala a ua hoʻolaha ʻia nā ʻātoma chlorine polar. Ma muli o kona mau waiwai kino a me ke kemika maikaʻi loa, hoʻohana nui ʻia ia i nā mīkini a me ka uila. , kemika, nā mea kūkulu hale a me nā ʻoihana mining. ʻOi aku ka maikaʻi o ke kūpaʻa wela CPE, kūpaʻa ozone a me ke kūpaʻa i ka wā, ʻoi aku ka maikaʻi o ke kūpaʻa ʻana i ka wā kahiko ma mua o ka hapa nui o ka laholio, ʻoi aku ka maikaʻi o ke kūpaʻa ʻaila ma mua o ka laholio nitrile (ABR), neoprene (CR), ʻoi aku ka maikaʻi o ke kūpaʻa ʻana i ka wā kahiko ma mua o ka chlorosulfonated vinyl chloride (CSM); kūpaʻa waikawa, Alkali, paʻakai a me nā waiwai ʻino ʻē aʻe, ʻaʻohe mea ʻawaʻawa, pale ahi, ʻaʻohe pilikia pahū.
KA HOʻOPIʻI ʻANA O CPE I KA ʻĪNIKA
Hiki ke hana ʻia ka polyethylene chlorinated ma o ka hoʻoheheʻe ʻana i ka injection a me ka hoʻoheheʻe ʻana i ka extrusion. Eia nō naʻe, ʻoiai he nui ka nui o nā ʻātoma chlorine i loko o ka CPE, pono e hoʻohui ʻia kahi hapa o nā mea hoʻopaʻa wela, nā antioxidants a me nā mea hoʻopaʻa māmā i ka CPE ma mua o ka hoʻoheheʻe ʻana e pale i ke kūpaʻa o kona ʻano a me ka hana. Loaʻa pū nā CPE haʻahaʻa-chlorine i ka hoʻoheheʻe rotational a me ka hoʻoheheʻe ʻana i ka puhi.
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 ke kāwili ʻana i kahi hapa o CPE i loko o ka resin polyvinyl chloride, hiki ke hoʻopuka ʻia i loko o nā huahana e like me nā paipu, nā papa, nā uhi insulation uea, nā profiles, nā kiʻiʻoniʻoni, nā kiʻiʻoniʻoni shrink, a me nā mea ʻē aʻe me nā lako hana PVC maʻamau; hiki ke hoʻohana ʻia no ka uhi ʻana, ka hoʻoheheʻe ʻana i ka compression, a me nā mea ʻē aʻe. ʻO ka plastik, ka lamination, ka hoʻopaʻa ʻana, a me nā mea ʻē aʻe; hoʻohana ʻia ma ke ʻano he mea hoʻololi no PVC a me PE, hiki ke hoʻomaikaʻi i ka hana huahana, hoʻomaikaʻi i ka elasticity, ka paʻakikī a me ka hana haʻahaʻa o ka PVC, a hoʻemi i ka mahana embrittlement i -40°C; ʻoi aku ka maikaʻi o ke kū'ē ʻana i ke aniau, ke kū'ē ʻana i ka wela a me ke kūpaʻa kemika ma mua o nā mea hoʻololi ʻē aʻe; ma ke ʻano he mea hoʻololi no PE, hiki iā ia ke hoʻomaikaʻi i ka paʻi ʻana, ka pale ʻana i ka lapalapa a me ka maʻalahi o kāna huahana, a hoʻonui i ka nui o ka huʻa PE.
ʻO ka chlorinated polyethylene resin kahi ʻano mea synthetic hou me kahi moʻo o nā waiwai maikaʻi loa. He mea hoʻololi hopena maikaʻi loa ia no nā plastik PVC a me kahi rubber 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 hose, nā lipine, nā huahana rubber a me nā plastik, nā mea sila, a me nā kāʻei conveyor flame-retardant. , Membrane wai ʻole, kiʻiʻoniʻoni a me nā mea like ʻole i hoʻopili ʻia a me nā huahana ʻē aʻe. Hiki ke hoʻohui ʻia ʻo CPE me ka polypropylene, polyethylene kiʻekiʻe a me ke kaomi haʻahaʻa, ABS, a pēlā aku e hoʻomaikaʻi i ka pale ʻana i ka lapalapa, ke kū'ē ʻana i ka ʻelemakule a me ka hana paʻi o kēia mau plastik. Hiki ke manaʻo ʻia ʻo CPE he copolymer random o ethylene, polyethylene a me 1.2-dichloroethylene. Ua saturated kona kaulahao molekala a ua hoʻolaha hewa ʻia nā ʻātoma chlorine polar. Ma muli o kona mau waiwai kino a me ke kemika maikaʻi loa, hoʻohana nui ʻia i nā mīkini a me ka uila.
ʻoihana kemika, nā mea kūkulu hale a me nā ʻoihana mining. ʻO ke kūpaʻa wela CPE, ke kūpaʻa ozone a me ke kūpaʻa i ka wā, ʻoi aku ka maikaʻi o ke kūpaʻa ʻana i ka wā kahiko ma mua o ka hapa nui o ka laholio, ʻoi aku ka maikaʻi o ke kūpaʻa ʻaila ma mua o ka laholio nitrile (ABR), neoprene (CR), ʻoi aku ka maikaʻi o ke kūpaʻa ʻana i ka wā kahiko ma mua o ka chlorosulfonated vinyl chloride (CSM); kūpaʻa waikawa, Alkali, paʻakai a me nā waiwai ʻino ʻē aʻe, ʻaʻohe mea ʻawahia, pale ahi, ʻaʻohe pilikia pahū.
Hoʻohana nui ʻia i: uea a me ke kaula (nā kaula lanahu, nā uea i kuhikuhi ʻia ma nā kūlana UL a me VDE), nā hose hydraulic, nā hose kaʻa, nā lipine, nā pepa laholio, ka hoʻololi ʻana i ka paipu PVC, nā mea magnetic, ka hoʻololi ʻana o ABS, a pēlā aku.
KA HOʻOPILI ʻANA O CPE MA KE KIʻIʻONIʻONI
1. ʻOi aku ka maikaʻi o nā plasticizers a me nā antioxidants i hoʻohana ʻia i loko o ka rubber a me nā plastics i ka PVC semi-rigid a palupalu, ʻoi aku hoʻi i ka hoʻoheheʻe ʻana i ka injection a me nā huahana i hana ʻia ma hope. E hoʻohana iā CPE ma ke ʻano he plasticizer PVC, ʻaʻohe mae, ʻaʻohe neʻe ʻana, ʻaʻohe unuhi ʻana, a he kūpaʻa ozonation a me ke kūpaʻa corrosion, kūpono maikaʻi. I ka hana ʻana i nā kiʻiʻoniʻoni, ka ʻili hana, nā kapuaʻi kāmaʻa, nā hose, a pēlā aku, hiki ke hoʻonui i ka palupalu, ke kala a hoʻolōʻihi i ke ola lawelawe o nā huahana. Hoʻohana ʻia ia e hana i nā pipelines anti-corrosion, nā uea, nā papa, a me nā ʻāpana i kaomi ʻia no nā kahua aila, a ʻo kona kumukūʻai he 30% a 40% haʻahaʻa ma mua o nā PVC i hoʻololi ʻia. Hiki ke hana ʻia ka huʻa pale ahi a me ke anu ma ka hoʻohui ʻana iā CPE me PE a me PP, a ʻoi aku ka maikaʻi o kāna hana ma mua o ka polyurethane a me ka polystyrene foam. ʻO ka hoʻohana ʻana iā CPE ma ke ʻano he plasticizer mau loa no ABS, AS, PS, a pēlā aku no ka hana ʻana i nā pūpū mīkini home, nā liners, nā ʻāpana kaʻa, nā mea uila a me nā mea uila, a me nā lipine pale ahi hiki ke hōʻemi i nā kumukūʻai.
2. Hoʻohana ʻia i nā mea hui rubber ʻO CPE kahi rubber synthetic kūikawā me ka hana maikaʻi loa, kūpono loa no nā uea a me nā kaula me nā koi kiʻekiʻe ma ke kūpaʻa wela, ka pale ʻana i ka lapalapa a me nā waiwai uila, a me nā kāʻei conveyor flame-retardant kiʻekiʻe. Hiki ke hoʻohana ʻia no nā pipeline aila, ke kūkulu ʻana i nā membrane wai ʻole a me nā uhi lako kemika, a pēlā aku. ʻOi aku ka maikaʻi o ka rubber vulcanized i hana ʻia me ka mea kumu elastic CPE ma mua o ka neoprene ma ke ʻano o ke kūpaʻa ʻana i ke kapa, nā waiwai dielectric, ke kūpaʻa wela, ke kūpaʻa ʻelemakule, ke kūpaʻa aila, a pēlā aku. E like me ka rubber, ʻoi aku ka haʻahaʻa o kona kumukūʻai ma mua o ka neoprene a me ka nitrile rubber, a hiki ke hoʻohana ʻia i ka ʻoihana uea a me ke kaula, nā ʻāpana kaʻa, nā hose pale wela a me ka aila, nā hose, a pēlā aku. ʻO ke kūpaʻa kinoea o CPE ua like ia me ka rubber chlorinated. Eia kekahi, hoʻohana nui ʻia ʻo CPE i nā huahana rubber like ʻole.
3. ʻO ka hui CPE CPE/styrene/acrylonitrile copolymer he kūpaʻa kiʻekiʻe i ka hopena, ka pale ʻana i ka lapalapa, ke kūpaʻa i ka wā a me ke kūpaʻa haʻahaʻa, a hiki i kāna kahua noi ke hoʻokūkū me ABS. Loaʻa i ka CPE/styrene/methacrylic acid copolymer ka ikaika hopena kiʻekiʻe, ka transparency a me ke kūpaʻa o ka wā. ʻO ka hui ʻana o CPE me NBR hiki ke hoʻomaikaʻi i nā waiwai piha like ʻole o NBR a hiki ke hoʻohana ʻia e hana i nā hose rubber pale ʻaila. Hiki ke hoʻohana pū ʻia ʻo CPE me SBR e hana i nā hose rubber a me nā membrane wai ʻole; hoʻohana pū ʻia me ka rubber kumu maʻamau, hiki ke hoʻohana ʻia e like me nā huahana rubber e like me nā lole ua, nā kaila paikikala kala, nā ducts ea flame-retardant, a me nā kaula. Ma Iapana, ʻo ka hapa nui o CPE i hui pū ʻia me nā mea rubber a me ka plastic e hoʻomaikaʻi i ka hana hana, ke ʻano o ka huahana a me ka maikaʻi o loko. Me ka hoʻonui ʻia o ka hana CPE a me ka hoʻomaikaʻi ʻana o ka ʻenehana hana, hiki ke hana ʻia nā hui CPE/EVA, nona ka paʻa maikaʻi o ka dimensional a hoʻohana ʻia e hana i nā papa i mālama ʻia i nā mahana haʻahaʻa. Hoʻohana ʻia ka CPE/chlorinated styrene i ka hana ʻana i nā insulators uila, nā foam flame retardant, nā uhi ʻana, a me nā mea ʻē aʻe.
4. Hiki ke hana ʻia ʻo CPE no nā uhi kūikawā a me nā membrane wai ʻole i nā uhi kūikawā, e like me nā uhi anti-corrosion, nā uhi anti-fouling, nā uhi wai ʻole, a pēlā aku, e pani i nā uhi ʻē aʻe. Hoʻohuihui ʻia ʻo CPE/PVC e hana i kahi membrane wai ʻole, he mea wai ʻole waena. ʻO kona kūpaʻa i ke aniau, ke kūpaʻa ozone, a me ka pale ʻana i ka lapalapa e like me nā membrane ethylene-propylene rubber kiʻekiʻe, a he haʻahaʻa ke kumukūʻai a me ka hana kūkulu maikaʻi. ʻO ka hoʻoheheʻe ʻana i ka CPE i loko o nā mea hoʻoheheʻe maʻamau hiki ke hana i nā uhi anti-corrosion. Ma hope o ka hoʻohuihui ʻana i ka CPE me ka asphalt, a pēlā aku, hoʻohana pinepine ʻia e hana i nā uhi wai ʻole o ka hale me ka hana maikaʻi aʻe.
5. Polyethylene chlorinated kiʻekiʻe Loaʻa i ka polyethylene chlorinated kiʻekiʻe ka nui o ka chlorine o 61% a 75%. He huahana paʻakikī, kūpaʻa wela, e like me ke aniani ikaika kiʻekiʻe, a he mea hana kiʻiʻoniʻoni me nā waiwai maikaʻi loa. Hiki ke kāwili ʻia me ka pena alkyd, epoxy resin, phenolic, unsaturated polyester, polyacrylate, a me nā mea ʻē aʻe e hana i nā uhi anti-corrosion me ke kūpaʻa kemika maikaʻi. ʻOi aku ka maikaʻi o kona pale ʻana i ka lapalapa, ke kūpaʻa i ka pala, ke kūpaʻa i ka wā, a me ka elasticity ma mua o ka rubber chlorinated. Koho i ka rubber chlorinated. Loaʻa i ka polyethylene chlorinated kiʻekiʻe nā waiwai hoʻopili maikaʻi i ka metala a me ka sima, no laila he hopena pale maikaʻi kona ma kēia mau mea. Loaʻa i ka polyethylene chlorinated kiʻekiʻe ka miscibility maikaʻi me nā pigments inorganic a me organic, a hiki ke hoʻohana ʻia e hana i nā uhi flame-retardant.
6. Nā noi ʻē aʻe Hiki i ka hoʻohui ʻana i ka CPE i ka ʻaila wahie ke hoʻohaʻahaʻa i kona kiko hau, a hiki i nā mea hoʻohui no ka ʻaila kia ke hoʻomaikaʻi i ke kūpaʻa o ka ʻaila i ke kaomi. Hiki i ka hoʻohui ʻana i ka CPE i ka ʻaila ʻoki a me ka ʻaila ʻeli ke hoʻomaikaʻi i ke ola lawelawe o nā mea hana. Eia kekahi, hoʻohana ʻia ʻo CPE i nā mea palupalu ʻili a me nā mea hoʻomānoanoa o nā ʻīnika paʻi, a pēlā aku, a ke hoʻonui mau nei kāna laulā noi.
He aha ke kūlana o ka hoʻohui ʻana i ka CPE i ka hana plastic?
ʻO ka polyethylene chlorinated (CPE) kahi mea polymer saturated, he pauka keʻokeʻo ke ʻano, ʻaʻohe ʻawaʻawa a ʻono ʻole, he kūpaʻa maikaʻi loa ia i ka wā, ke kūpaʻa ozone, ke kūpaʻa kemika a me ke kūpaʻa ʻelemakule, a he kūpaʻa aila maikaʻi, pale lapalapa a me ka hana kala. ʻO ka paʻakikī maikaʻi (hiki ke loli ma -30°C), kūpono maikaʻi me nā mea polymer ʻē aʻe, mahana decomposition kiʻekiʻe, decomposition e hana iā HCl, hiki i ka HCL ke hoʻoulu i ka hopena dechlorination o CPE. ʻO ka polyethylene chlorinated kahi mea polymer i hana ʻia mai ka polyethylene density kiʻekiʻe (HDPE) ma o kahi hopena pani chlorination. Wahi a nā ʻano like ʻole a me nā hoʻohana, hiki ke hoʻokaʻawale ʻia ka polyethylene chlorinated i ka polyethylene chlorinated type resin (CPE) a me ka polyethylene chlorinated type elastomer (CM). Ma waho aʻe o ka hoʻohana wale ʻia ʻana, hiki ke hoʻohui 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 laholio, hiki ke hoʻohana ʻia ʻo CPE ma ke ʻano he laholio kūikawā hana kiʻekiʻe, a hiki ke hoʻohana pū ʻia me ka laholio ethylene-propylene (EPR), ka laholio butyl (IIR), ka laholio nitrile (NBR), ka polyethylene chlorosulfonated (CSM), a pēlā aku. Hoʻohana ʻia nā hui laholio ʻē aʻe.
