1. E hoʻohana i ka hoʻokaʻawale ʻana

Wahi a nā ʻano hoʻohana like ʻole o nā plastik like ʻole, ua māhele pinepine ʻia nā plastik i ʻekolu ʻano: nā plastik maʻamau, nā plastik ʻenekinia a me nā plastik kūikawā.

①Palakika laulā

ʻO ka maʻamau, pili ia i nā plastik me ka nui o ka hana, ka hoʻohana ākea, ka maikaʻi o ke ʻano a me ke kumukūʻai haʻahaʻa. ʻElima ʻano o nā plastik maʻamau, ʻo ia hoʻi ka polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS) a me ka acrylonitrile-butadiene-styrene copolymer (ABS). ʻO kēia mau ʻano plastik ʻelima ka hapa nui o nā mea maka plastik, a hiki ke hoʻokaʻawale ʻia ke koena i nā ʻano plastik kūikawā, e like me: PPS, PPO, PA, PC, POM, etc., hoʻohana iki ʻia lākou i nā huahana o kēlā me kēia lā, ʻo ka hapa nui hoʻi, hoʻohana ʻia ia ma nā kahua kiʻekiʻe e like me ka ʻoihana ʻenekinia a me ka ʻenehana pale aupuni, e like me nā kaʻa, aerospace, kūkulu hale, a me nā kamaʻilio. Wahi a kona hoʻokaʻawale ʻana i ka plasticity, hiki ke hoʻokaʻawale ʻia nā plastik i nā thermoplastics a me nā thermosetting plastics. Ma lalo o nā kūlana maʻamau, hiki ke hana hou ʻia nā huahana thermoplastic, ʻoiai ʻaʻole hiki i nā thermosetting plastics. Wahi a nā waiwai optical o nā plastics, hiki ke hoʻokaʻawale ʻia i nā mea maka moakaka, translucent a me opaque, e like me PS, PMMA, AS, PC, a pēlā aku. he mau plastics moakaka ia, a ʻo ka hapa nui o nā plastics ʻē aʻe he opaque plastics.

Nā waiwai a me nā hoʻohana o nā plastik i hoʻohana pinepine ʻia:

1. Polyethylene:

Hiki ke hoʻokaʻawale ʻia ka polyethylene i hoʻohana pinepine ʻia i ka polyethylene haʻahaʻa haʻahaʻa (LDPE), polyethylene kiʻekiʻe haʻahaʻa (HDPE) a me ka polyethylene haʻahaʻa linear (LLDPE). Ma waena o nā mea ʻekolu, ʻoi aku ka maikaʻi o nā waiwai thermal, uila a me nā mechanical o HDPE, ʻoiai ʻoi aku ka maikaʻi o ka maʻalahi o LDPE a me LLDPE, nā waiwai hopena, nā waiwai hana kiʻiʻoniʻoni, a pēlā aku. Hoʻohana nui ʻia ʻo LDPE a me LLDPE i nā kiʻiʻoniʻoni hoʻopili, nā kiʻiʻoniʻoni mahiʻai, ka hoʻololi ʻana i ka plastic, a pēlā aku, ʻoiai he ākea ka nui o nā noi o HDPE, e like me nā kiʻiʻoniʻoni, nā paipu, a me nā mea pono o kēlā me kēia lā.

2. Polypropylene:

Ma ke ʻano hoʻohālikelike, ʻoi aku ka nui o nā ʻano polypropylene, ʻoi aku ka paʻakikī o nā hoʻohana, a me kahi ākea o nā kahua. ʻO nā ʻano like ʻole e komo pū me ka homopolymer polypropylene (homopp), ka polypropylene copolymer poloka (copp) a me ka polypropylene copolymer random (rapp). Wahi a ke noi, hoʻohana nui ʻia ka Homopolymerization ma nā kahua o ke kaha kiʻi uea, fiber, injection, BOPP film, a me nā mea ʻē aʻe. Hoʻohana nui ʻia ka Copolymer polypropylene i nā ʻāpana injection o nā mīkini hale, nā mea maka i hoʻololi ʻia, nā huahana injection i kēlā me kēia lā, nā paipu, a me nā mea ʻē aʻe, a hoʻohana nui ʻia ka polypropylene random i nā huahana moakaka, nā huahana hana kiʻekiʻe, nā paipu hana kiʻekiʻe, a me nā mea ʻē aʻe.

3. Polyvinyl chloride:

Ma muli o kona kumukūʻai haʻahaʻa a me nā waiwai pale ahi ponoʻī, loaʻa iā ia nā hoʻohana like ʻole i ke kahua kūkulu, ʻoiai no nā paipu ʻōpala, nā puka kila kila a me nā puka makani, nā papa, ka ʻili hana, a pēlā aku.

4. Polystyrene:

Ma ke ʻano he ʻano mea maka moakaka, i ka wā e pono ai ka moakaka, he ākea kona hoʻohana ʻana, e like me nā kukui kukui kaʻa, nā ʻāpana moakaka o kēlā me kēia lā, nā kīʻaha moakaka, nā kini, a pēlā aku.

5. ʻAE:

He palakika ʻenekinia maʻalahi ia me nā waiwai kino mechanical a me ka thermal koʻikoʻi. Hoʻohana nui ʻia ia i nā mīkini hale, nā panela, nā masks, nā ʻākoakoa, nā mea pono, a me nā mea ʻē aʻe, ʻoi aku hoʻi nā mīkini hale, e like me nā mīkini holoi, nā ea hoʻoluʻu, nā pahu hau, nā peʻahi uila, a me nā mea ʻē aʻe. He nui loa ia a he nui nā hoʻohana i ka hoʻololi ʻana i ka palakika.

②Nā palakiko ʻenekinia

ʻO ka maʻamau, pili ia i nā plastics e hiki ke kū i kahi ikaika o waho, loaʻa nā waiwai mechanical maikaʻi, ke kū'ē ʻana i ke kiʻekiʻe a me ka haʻahaʻa o ka mahana, a loaʻa ke kūpaʻa maikaʻi o ka dimensional, a hiki ke hoʻohana ʻia e like me nā hale ʻenekinia, e like me ka polyamide a me ka polysulfone. I loko o nā plastics ʻenekinia, ua māhele ʻia i ʻelua mau māhele: nā plastics ʻenekinia laulā a me nā plastics ʻenekinia kūikawā. Hiki i nā plastics ʻenekinia ke hoʻokō i nā koi kiʻekiʻe e pili ana i nā waiwai mechanical, ka lōʻihi, ke kū'ē ʻana i ka corrosion, a me ke kū'ē ʻana i ka wela, a ʻoi aku ka maʻalahi o ka hana ʻana a hiki ke pani i nā mea metala. Hoʻohana nui ʻia nā plastics ʻenekinia i nā ʻoihana uila a me nā ʻoihana uila, nā kaʻa, ke kūkulu ʻana, nā lako keʻena, nā mīkini, nā aerospace a me nā ʻoihana ʻē aʻe. ʻO ke pani ʻana i ka plastic no ke kila a me ka plastic no ka lāʻau ua lilo i ʻano honua.

ʻO nā plastics ʻenekinia maʻamau e pili ana i: polyamide, polyoxymethylene, polycarbonate, modified polyphenylene ether, thermoplastic polyester, ultra-high molecular weight polyethylene, methylpentene polymer, vinyl alcohol copolymer, etc.

Ua māhele ʻia nā palakiko ʻenekinia kūikawā i nā ʻano i hoʻopili ʻia a me nā ʻano i hoʻopili ʻole ʻia. ʻO nā ʻano i hoʻopili ʻia: polyamino bismaleamide, polytriazine, polyimide i hoʻopili ʻia, resin epoxy pale wela a pēlā aku. ʻO nā ʻano i hoʻopili ʻole ʻia: polysulfone, polyethersulfone, polyphenylene sulfide, polyimide, polyether ether ketone (PEEK) a pēlā aku.

③Nā palakiko kūikawā

ʻO ka maʻamau, pili ia i nā plastik i loaʻa nā hana kūikawā a hiki ke hoʻohana ʻia i nā noi kūikawā e like me ka mokulele a me ka aerospace. No ka laʻana, loaʻa i nā fluoroplastics a me nā silicones ke kūpaʻa kiʻekiʻe o ka mahana, ka lubrication ponoʻī a me nā hana kūikawā ʻē aʻe, a ʻo nā plastik i hoʻoikaika ʻia a me nā plastik i hoʻopū ʻia he mau waiwai kūikawā e like me ka ikaika kiʻekiʻe a me ka cushioning kiʻekiʻe. No kēia mau plastik i ka māhele o nā plastik kūikawā.

a. Palakiko i hoʻoikaika ʻia:

Hiki ke hoʻokaʻawale ʻia nā mea maka palaki i hoʻoikaika ʻia i granular (e like me ka palaki calcium i hoʻoikaika ʻia), fiber (e like me ke aniani fiber a i ʻole ka palaki aniani i hoʻoikaika ʻia i ka lole), a me ka flake (e like me ka mica plastic i hoʻoikaika ʻia). Wahi a ke ʻano o ka mea, hiki ke hoʻokaʻawale ʻia i loko o nā plastics i hoʻoikaika ʻia i ka lole (e like me ka rag i hoʻoikaika ʻia a i ʻole asbestos plastics), nā plastics i hoʻopiha ʻia me ka mineral inorganic (e like me ka quartz a i ʻole mica plastics i hoʻopiha ʻia), a me nā plastics i hoʻoikaika ʻia i ka fiber (e like me ke kalapona fiber i hoʻoikaika ʻia).

b. Huʻa:

Hiki ke hoʻokaʻawale ʻia nā palakiko huʻa i ʻekolu ʻano: nā huʻa paʻa, semi-rigid a me nā huʻa palupalu. ʻAʻohe palupalu o ka huʻa paʻa, a he nui loa kona paʻakikī compression. E deform wale nō ia ke hiki i kahi waiwai stress a ʻaʻole hiki ke hoʻi i kona kūlana mua ma hope o ka hoʻomaha ʻia ʻana o ke kaumaha. He palupalu ka huʻa palupalu, me ka paʻakikī compression haʻahaʻa, a maʻalahi hoʻi e deform. Hoʻihoʻi i ke kūlana mua, he liʻiliʻi ka deformation koena; aia ka palupalu a me nā waiwai ʻē aʻe o ka huʻa semi-rigid ma waena o nā huʻa paʻa a me nā huʻa palupalu.

ʻElua, ka hoʻokaʻawale kino a me ke kemika

Wahi a nā ʻano kino a me nā kemika like ʻole o nā plastics like ʻole, hiki ke hoʻokaʻawale ʻia nā plastics i ʻelua ʻano: nā plastics thermosetting a me nā plastics thermoplastic.

(1) Thermoplastic

ʻO Thermoplastics (Thermo plastics): pili i nā plastics e heheʻe ma hope o ka hoʻomehana ʻana, hiki ke kahe i loko o ka ʻōmole ma hope o ka hoʻoluʻu ʻana, a laila heheʻe ma hope o ka hoʻomehana ʻana; hiki ke hoʻohana ʻia ka hoʻomehana ʻana a me ka hoʻoluʻu ʻana e hana i nā loli hoʻohuli (wai ←→paʻa), ʻae ʻO ka mea i kapa ʻia he loli kino. Loaʻa i nā thermoplastics kumu maʻamau nā mahana hoʻohana mau ma lalo o 100°C. Ua kapa ʻia ʻo Polyethylene, polyvinyl chloride, polypropylene, a me polystyrene ʻo nā plastics kumu ʻehā. Ua māhele ʻia nā plastics Thermoplastic i nā hydrocarbons, vinyls me nā genes polar, ʻenekinia, cellulose a me nā ʻano ʻē aʻe. Lilo ia i palupalu i ka wā e hoʻomehana ʻia ai, a lilo i paʻakikī i ka wā e hoʻoluʻu ʻia ai. Hiki ke palupalu pinepine ʻia a hoʻopaʻakikī ʻia a mālama i kahi ʻano. Hiki ke hoʻoheheʻe ʻia i loko o kekahi mau mea hoʻoheheʻe a loaʻa iā ia ka waiwai o ka hiki ke hoʻoheheʻe ʻia a me ka hoʻoheheʻe ʻia. Loaʻa i nā Thermoplastics ka insulation uila maikaʻi loa, ʻoiai ʻo polytetrafluoroethylene (PTFE), polystyrene (PS), polyethylene (PE), polypropylene (PP) he haʻahaʻa loa ka dielectric constant a me ka dielectric loss. No nā mea insulation alapine kiʻekiʻe a me ke kiʻekiʻe. He maʻalahi ke hoʻoheheʻe a hana i nā Thermoplastics, akā he haʻahaʻa ka pale wela a maʻalahi ke kolo. ʻOkoʻa ke kekelē o ke kolo ʻana me ka ukana, ka mahana o ke kaiapuni, ka mea hoʻoheheʻe, a me ka makū. I mea e lanakila ai i kēia mau nāwaliwali o nā thermoplastics a hoʻokō i nā pono o nā noi ma nā kahua o ka ʻenehana ākea a me ka hoʻomohala ʻana i ka ikehu hou, ke hoʻomohala nei nā ʻāina āpau i nā resins pale wela e hiki ke hoʻoheheʻe ʻia, e like me ka polyether ether ketone (PEEK) a me ka polyether sulfone (PES). , Polyarylsulfone (PASU), polyphenylene sulfide (PPS), a pēlā aku. ʻO nā mea hui e hoʻohana ana iā lākou ma ke ʻano he matrix resins he mau waiwai mechanical kiʻekiʻe a me ke kūpaʻa kemika, hiki ke hoʻomehana ʻia a hoʻopaʻa ʻia, a ʻoi aku ka ikaika o ka ʻoki interlaminar ma mua o nā resins epoxy. No ka laʻana, me ka hoʻohana ʻana i ka polyether ether ketone ma ke ʻano he matrix resin a me ke kalapona fiber e hana i kahi mea hui, ʻoi aku ka pale luhi ma mua o ka epoxy/carbon fiber. Loaʻa iā ia ke kūpaʻa hopena maikaʻi, kūpaʻa kolo maikaʻi i ka mahana o ka lumi, a me ka hiki ke hana maikaʻi. Hiki ke hoʻohana mau ʻia ma 240-270°C. He mea hoʻomehana wela kiʻekiʻe kūpono ia. ʻO ka mea i hui pū ʻia me ka polyethersulfone ma ke ʻano he resin matrix a me ke kaula kalapona he ikaika kiʻekiʻe a me ka paʻakikī ma 200°C, a hiki ke mālama i ke kūpaʻa hopena maikaʻi ma -100°C; ʻaʻole ia he mea ʻawahia, ʻaʻole hiki ke lapalapa, liʻiliʻi ka uahi, a me ke kūpaʻa i ka radiation. ʻĀ, manaʻo ʻia e hoʻohana ʻia ma ke ʻano he ʻāpana koʻikoʻi o kahi mokulele, a hiki ke hoʻoheheʻe ʻia i loko o kahi radome, a pēlā aku.

ʻO nā palakiko i hoʻopili ʻia me ka formaldehyde e komo pū me nā palakiko phenolic, nā palakiko amino (e like me ka urea-formaldehyde-melamine-formaldehyde, a pēlā aku). ʻO nā palakiko ʻē aʻe i hoʻopili ʻia me nā polyesters unsaturated, nā resins epoxy, a me nā resins phthalic diallyl.

(2) Palakiko hoʻonohonoho wela

ʻO nā plastics thermosetting e pili ana i nā plastics hiki ke hoʻōla ʻia ma lalo o ka wela a i ʻole nā ​​​​kūlana ʻē aʻe a i ʻole he mau ʻano insoluble (melting), e like me nā plastics phenolic, epoxy plastics, etc. Ua māhele ʻia nā plastics thermosetting i ke ʻano formaldehyde cross-linked a me nā ʻano cross-linked ʻē aʻe. Ma hope o ka hana ʻana a me ka hoʻoheheʻe ʻana i ka thermal, ua hoʻokumu ʻia kahi huahana hoʻōla infusible a insoluble, a ua hoʻopili ʻia nā mole resin i loko o kahi ʻano pūnaewele e kahi ʻano linear. E palaho a luku ka wela i hoʻonui ʻia. ʻO nā plastics thermosetting maʻamau e pili ana i ka phenolic, epoxy, amino, unsaturated polyester, furan, polysiloxane a me nā mea ʻē aʻe, a me nā plastics polydipropylene phthalate hou. Loaʻa iā lākou nā pono o ke kūpaʻa wela kiʻekiʻe a me ke kūpaʻa i ka deformation i ka wā e wela ai. ʻO ka hemahema, ʻaʻole kiʻekiʻe ka ikaika mechanical, akā hiki ke hoʻomaikaʻi ʻia ka ikaika mechanical ma ka hoʻohui ʻana i nā mea hoʻopihapiha e hana i nā mea laminated a i ʻole nā ​​​​mea i hoʻoheheʻe ʻia.

ʻO nā plastics thermosetting i hana ʻia me ka resin phenolic ma ke ʻano he mea maka nui, e like me ka plastic phenolic i hoʻoheheʻe ʻia (i ʻike nui ʻia ʻo Bakelite), he paʻa, paʻa ka dimensionally, a kū i nā mea kemika ʻē aʻe koe wale nō nā alkalis ikaika. Hiki ke hoʻohui ʻia nā mea hoʻopihapiha a me nā mea hoʻohui like ʻole e like me nā hoʻohana a me nā koi like ʻole. No nā ʻano like ʻole e pono ai ka hana insulation kiʻekiʻe, hiki ke hoʻohana ʻia ka mica a i ʻole ke aniani fiber ma ke ʻano he mea hoʻopihapiha; no nā ʻano like ʻole e pono ai ke kū'ē i ka wela, hiki ke hoʻohana ʻia ka asbestos a i ʻole nā ​​​​mea hoʻopihapiha pale wela ʻē aʻe; no nā ʻano like ʻole e pono ai ke kū'ē i ka seismic, hiki ke hoʻohana ʻia nā fibers kūpono a i ʻole ka rubber ma ke ʻano he mea hoʻopihapiha A me kekahi mau mea hoʻoikaika e hana i nā mea paʻakikī kiʻekiʻe. Eia kekahi, hiki ke hoʻohana ʻia nā resins phenolic i hoʻololi ʻia e like me aniline, epoxy, polyvinyl chloride, polyamide, a me polyvinyl acetal e hoʻokō i nā koi o nā noi like ʻole. Hiki ke hoʻohana ʻia nā resins phenolic e hana i nā laminates phenolic, i hōʻike ʻia e ka ikaika mechanical kiʻekiʻe, nā waiwai uila maikaʻi, ke kū'ē i ka corrosion, a me ka hana maʻalahi. Hoʻohana nui ʻia lākou i nā lako uila haʻahaʻa-voltage.

ʻO nā Aminoplasts e komo pū me ka urea formaldehyde, melamine formaldehyde, urea melamine formaldehyde a pēlā aku. Loaʻa iā lākou nā pono o ke ʻano paʻakikī, ke kū'ē i ke kahakaha, ke kala ʻole, ka translucent, a pēlā aku. Hiki ke hoʻohui i nā mea kala i nā huahana kala, i ʻike nui ʻia ʻo ka jade uila. No ka mea he kūpaʻa ia i ka ʻaila a ʻaʻole i hoʻopilikia ʻia e nā alkalis nāwaliwali a me nā mea hoʻoheheʻe organik (akā ʻaʻole kūpaʻa i ka waikawa), hiki ke hoʻohana ʻia ma 70°C no ka manawa lōʻihi, a hiki ke kū i 110 a 120°C i ka wā pōkole, a hiki ke hoʻohana ʻia i nā huahana uila. ʻOi aku ka paʻakikī o ka plastik Melamine-formaldehyde ma mua o ka plastik urea-formaldehyde, a ʻoi aku ka maikaʻi o ke kūpaʻa wai, ke kūpaʻa wela, a me ke kūpaʻa arc. Hiki ke hoʻohana ʻia ma ke ʻano he mea hoʻokaʻawale pale arc.

Nui nā ʻano plastics thermosetting i hana ʻia me ka epoxy resin ma ke ʻano he mea maka nui, ma waena o ia mea ma kahi o 90% i hoʻokumu ʻia ma ka bisphenol A epoxy resin. Loaʻa iā ia ka hoʻopili maikaʻi loa, ka pale uila, ke kūpaʻa wela a me ke kūpaʻa kemika, ka emi haʻahaʻa a me ka omo wai, a me ka ikaika mechanical maikaʻi.

Hiki ke hana ʻia ka polyester unsaturated a me ka epoxy resin i FRP, nona ka ikaika mechanical maikaʻi loa. No ka laʻana, ʻo ka plastic i hoʻoikaika ʻia i ke aniani fiber i hana ʻia me ka polyester unsaturated he mau waiwai mechanical maikaʻi a me ka haʻahaʻa haʻahaʻa (1/5 a 1/4 wale nō o ke kila, 1/2 o ka alumini), a maʻalahi hoʻi e hana i nā ʻāpana uila like ʻole. ʻOi aku ka maikaʻi o nā waiwai uila a me nā mechanical o nā plastics i hana ʻia me ka dipropylene phthalate resin ma mua o nā plastics phenolic a me amino thermosetting. He haʻahaʻa ka hygroscopicity, paʻa ka nui o ka huahana, hana hoʻoheheʻe maikaʻi, kūpaʻa waikawa a me alkali, wai paila a me kekahi mau mea hoʻoheheʻe organik. He kūpono ka hui hoʻoheheʻe no ka hana ʻana i nā ʻāpana me ka hoʻolālā paʻakikī, kūpaʻa wela a me ka insulation kiʻekiʻe. Ma keʻano laulā, hiki ke hoʻohana ʻia no ka manawa lōʻihi ma ka pae mahana o -60～180℃, a hiki i ka pae kūpaʻa wela ke hiki i ka pae F a i H, ʻoi aku ka kiʻekiʻe ma mua o ke kūpaʻa wela o nā plastics phenolic a me amino.

Hoʻohana nui ʻia nā plastics silicone ma ke ʻano o ka polysiloxane i nā mea uila a me nā ʻenehana uila. Hoʻoikaika nui ʻia nā plastics laminated silicone me ka lole aniani; hoʻopiha nui ʻia nā plastics i hoʻoheheʻe ʻia me ka fiber aniani a me ka asbestos, i hoʻohana ʻia e hana i nā ʻāpana e kū i ke kiʻekiʻe o ka mahana, ke alapine kiʻekiʻe a i ʻole nā ​​​​motika submersible, nā mīkini uila, a me nā lako uila. Hōʻike ʻia kēia ʻano plastic e kona haʻahaʻa dielectric constant a me ka waiwai tgδ, a ʻaʻole i hoʻopilikia ʻia e ke alapine. Hoʻohana ʻia ia i nā ʻoihana uila a me nā mea uila e kūʻē i ka corona a me nā arcs. ʻOiai inā hoʻoulu ka hoʻokuʻu ʻana i ka palaho, ʻo ka huahana he silicon dioxide ma kahi o ka conductive carbon black. . Loaʻa i kēia ʻano mea ke kūpaʻa wela koʻikoʻi a hiki ke hoʻohana mau ʻia ma 250°C. ʻO nā hemahema nui o ka polysilicone he haʻahaʻa ka ikaika mechanical, haʻahaʻa ka hoʻopili ʻana a me ka pale ʻaila maikaʻi ʻole. Ua hoʻomohala ʻia nā polymers silicone i hoʻololi ʻia, e like me ka polyester modified silicone plastics a ua hoʻohana ʻia i ka ʻenehana uila. ʻO kekahi mau plastics he thermoplastic a me thermosetting plastics. No ka laʻana, ʻo ka polyvinyl chloride maʻamau he thermoplastic. Ua hoʻomohala ʻo Iapana i kahi ʻano hou o ka polyvinyl chloride wai i thermoset a he mahana hoʻoheheʻe ʻia he 60 a 140°C. ʻO kahi plastik i kapa ʻia ʻo Lundex ma ʻAmelika Hui Pū ʻIa he mau hiʻohiʻona hana thermoplastic a me nā waiwai kino o nā plastics thermosetting.

① Nā palakiko hydrocarbon.

He palakika non-polar ia, i māhele ʻia i crystalline a me non-crystalline. ʻO nā palakika hydrocarbon crystalline e komo pū ana me ka polyethylene, polypropylene, a me nā mea ʻē aʻe, a ʻo nā palakika hydrocarbon non-crystalline e komo pū ana me ka polystyrene, a me nā mea ʻē aʻe.

②Nā palakiko vinyl e loaʻa ana nā genes polar.

Koe wale nō nā fluoroplastics, ʻo ka hapa nui o lākou he mau kino moakaka ʻole crystalline, me ka polyvinyl chloride, polytetrafluoroethylene, polyvinyl acetate, a me nā mea ʻē aʻe. Hiki ke polymerized ka hapa nui o nā monomers vinyl me nā catalysts radical.

③Nā palakiko ʻenekinia Thermoplastic.

ʻO ka mea nui e hoʻokomo pū ʻia me ka polyoxymethylene, polyamide, polycarbonate, ABS, polyphenylene ether, polyethylene terephthalate, polysulfone, polyethersulfone, polyimide, polyphenylene sulfide, a me nā mea ʻē aʻe. ʻO Polytetrafluoroethylene. ʻO ka polypropylene i hoʻololi ʻia, a me nā mea ʻē aʻe, ua hoʻokomo pū ʻia i loko o kēia pae.

④ Nā plastik cellulose thermoplastic.

ʻO ia ka mea nui o ka cellulose acetate, cellulose acetate butyrate, cellophane, cellophane a pēlā aku.

Hiki iā mākou ke hoʻohana i nā mea plastik a pau i luna.
Ma lalo o nā kūlana maʻamau, hoʻohana ʻia ka PP papa meaʻai a me ka PP papa lapaʻau no nā huahana like mepuna. ʻO ka pipetteua hana ʻia me ka mea HDPE, a ʻo kapaipu hoʻāʻohana ʻia ia me ka mea PP a i ʻole PS papa lapaʻau. Loaʻa iā mākou nā huahana he nui, me ka hoʻohana ʻana i nā mea like ʻole, no ka mea, heʻōmolemea hana, aneane hiki ke hana ʻia nā huahana plastik āpau