A na-ejikarị ọtụtụ ihe nkiri eme ihe kwa ụbọchị. Kedu ihe e ji mee fim ndị a? Kedu ihe ndị bụ njirimara arụmọrụ nke nke ọ bụla? Ihe ndị a bụ nkọwa zuru ezu gbasara ihe nkiri plastik a na-ejikarị eme ihe kwa ụbọchị:
Ihe nkiri plastik bụ ihe nkiri e ji polyvinyl chloride, polyethylene, polypropylene, polystyrene na resin ndị ọzọ mee, nke a na-ejikarị eme ihe na nkwakọ ngwaahịa, owuwu, na dịka ihe mkpuchi, wdg.
Enwere ike kewaa ihe nkiri plastik n'ime
–Ihe nkiri ụlọ ọrụ mmepụta ihe: ihe nkiri a fụpụrụ afụ, ihe nkiri a kpụkọrọ akpụkọ, ihe nkiri a kpụkọrọ akpụkọ, ihe nkiri ndị a kpụkọrọ akpụkọ, wdg.
– Ihe nkiri ụlọ ọrụ ugbo, ihe nkiri mulch, wdg.
–Ihe nkiri maka nkwakọ ngwaahịa (gụnyere ihe nkiri ngwakọta maka nkwakọ ngwaahịa ọgwụ, ihe nkiri ngwakọta maka nkwakọ ngwaahịa nri, wdg).
Uru na ọghọm nke ihe mkpuchi plastik:
Njirimara arụmọrụ nke ihe nkiri plastik bụ isi:
Ihe nkiri Polypropylene nke Biaxially Oriented (BOPP)
Polypropylene bụ resin thermoplastic nke propylene na-emepụta. Ihe Copolymer PP nwere obere okpomọkụ mgbanwe okpomọkụ (100°C), obere nghọta, obere gloss, na obere nkwụsi ike, mana ha nwere ike mmetụta siri ike karị, ike mmetụta nke PP na-abawanye ka ọdịnaya ethylene na-abawanye. Okpomọkụ Vicat dị nro nke PP bụ 150°C. N'ihi oke kristal dị elu, ihe a nwere ezigbo ike elu na ihe ndị na-eguzogide ọkọ. PP enweghị nsogbu mgbawa nrụgide gburugburu ebe obibi.
Ihe nkiri polypropylene nke a na-akpọ Biaxially oriented (BOPP) bụ ihe e ji emechi ihe n'ụzọ na-agbanwe agbanwe nke e mepụtara n'afọ 1960. Ọ na-eji usoro mmepụta pụrụ iche agwakọta ihe ndị e ji polypropylene emepụta na ihe mgbakwunye ọrụ, gbazee ma gwakọta ha n'ime mpempe akwụkwọ, wee gbasaa ha ka ha bụrụ ihe nkiri. A na-ejikarị ya eme ihe n'ihe gbasara nkwakọ ngwaahịa nri, swiiti, sịga, tii, ihe ọṅụṅụ, mmiri ara ehi, ákwà, wdg, ma nwee aha ọma dịka "Nkwakọ ngwaahịa Queen". Na mgbakwunye, enwere ike itinye ya n'ọrụ na nkwadebe nke ngwaahịa bara uru dị elu dịka akpụkpọ ahụ eletriki na akpụkpọ ahụ microporous, yabụ atụmanya mmepe nke ihe nkiri BOPP sara mbara nke ukwuu.
Ihe nkiri BOPP abụghị naanị na ọ nwere uru dị na obere njupụta, ezigbo nguzogide nchara na ezigbo nguzogide okpomọkụ nke resin PP, kamakwa ọ nwere ezigbo ihe anya, ike igwe dị elu na isi mmalite bara ụba nke ihe eji emepụta ihe. Enwere ike ijikọta ihe nkiri BOPP na ihe ndị ọzọ nwere ihe pụrụ iche iji melite ma ọ bụ melite arụmọrụ. Ihe ndị a na-ejikarị eme ihe gụnyere ihe nkiri PE, ihe nkiri polypropylene (CPP) salivating, polyvinylidene chloride (PVDC), ihe nkiri aluminom, wdg.
Ihe nkiri Polyethylene dị obere (LDPE)
Ihe nkiri polyethylene, ya bụ PE, nwere njirimara nke iguzogide mmiri na obere ikike mmiri.
Polyethylene dị obere (LPDE) bụ resin sịntetik nke e nwetara site na ethylene radical polymerization n'okpuru nrụgide dị elu, ya mere a na-akpọkwa ya "polyethylene nrụgide dị elu". LPDE bụ molekul nwere alaka dị iche iche n'ogologo na isi yinye, nwere ihe dị ka ethyl, butyl 15 ruo 30 ma ọ bụ alaka ndị dị ogologo maka atọm carbon 1000 dị na isi yinye. N'ihi na yinye molekul nwere agbụ ndị dị ogologo na ndị dị mkpụmkpụ, ngwaahịa a nwere obere njupụta, ịdị nro, iguzogide okpomọkụ dị ala, ezigbo iguzogide mmetụta, ezigbo nkwụsi ike kemịkalụ, na nguzogide acid (ma e wezụga asịd siri ike nke na-eme ka ihe ghara ịdị ọcha), Alkali, nnu corrosion, nwere ezigbo ihe mkpuchi eletriki. Na-egbuke egbuke ma na-egbuke egbuke, ọ nwere ezigbo nkwụsi ike kemịkalụ, ike mkpuchi okpomọkụ, iguzogide mmiri na iguzogide mmiri, iguzogide oyi, enwere ike isi ya sie. Isi ihe na-adịghị mma bụ ihe mgbochi ya na-adịghị mma na oxygen.
A na-ejikarị ya eme ihe dị ka ihe mkpuchi ime nke ihe mkpuchi na-agbanwe agbanwe, ọ bụkwa ihe mkpuchi plastik a na-ejikarị eme ihe ma na-ejikarị eme ihe ugbu a, na-eme ihe karịrị pasentị iri anọ nke ihe mkpuchi plastik. E nwere ọtụtụ ụdị ihe mkpuchi polyethylene, arụmọrụ ha dịkwa iche. Arụmọrụ nke ihe nkiri otu oyi akwa bụ otu, arụmọrụ nke ihe nkiri mejupụtara bụ ihe na-emekọ ihe ọnụ. Ọ bụ isi ihe eji eme nkwakọ nri. Nke abụọ, a na-ejikwa ihe mkpuchi polyethylene eme ihe n'ọhịa nke injinia obodo, dị ka geomembrane. Ọ na-arụ ọrụ dị ka ihe na-adịghị egbochi mmiri na injinịa obodo ma nwee obere ikike. A na-eji ihe nkiri ugbo eme ihe n'ọrụ ugbo, nke enwere ike kewaa n'ime ihe nkiri shed, ihe mkpuchi mulch, ihe mkpuchi ilu, ihe mkpuchi akwụkwọ ndụ akwụkwọ ndụ na ihe ndị ọzọ.
Ihe nkiri polyester (PET)
Ihe nkiri Polyester (PET), nke a na-akpọkarị polyethylene terephthalate, bụ plastik injinia thermoplastic. Ọ bụ ihe nkiri e ji mpempe akwụkwọ dị arọ mee site na extrusion wee gbasaa ya n'ụzọ abụọ. Ihe nkiri Polyester nwere ihe eji arụ ọrụ dị mma, ike siri ike, ike na nkwụsi ike, ike ịpịpụ ihe, ike mgbakasị, okpomọkụ dị elu na obere okpomọkụ, ike kemịkalụ, ike mmanụ, ike ikuku na njigide isi. Otu n'ime ihe ndị mejupụtara ihe nkiri na-adịgide adịgide, mana ike corona adịghị mma.
Ọnụ ahịa ihe nkiri polyester dị elu, ọkpụrụkpụ ya na-abụkarị 0.12 mm. A na-ejikarị ya eme ihe dị ka ihe mpụta nke ihe eji echekwa nri maka nkwakọ ngwaahịa, ọ na-enwekwa ike ibipụta ya nke ọma. Na mgbakwunye, a na-ejikarị ihe nkiri polyester eme ihe dị ka ihe eji ebipụta na nkwakọ ngwaahịa dịka ihe nkiri nchekwa gburugburu ebe obibi, ihe nkiri PET, na ihe nkiri ọcha mmiri ara ehi, a na-ejikwa ya nke ukwuu n'ụlọ ọrụ dịka plastik e ji iko mee ka eriri plastik sie ike, ihe owuwu ụlọ, mbipụta, na ọgwụ na ahụike.
Ihe mkpuchi plastik naịlọn (ONY)
Aha kemịkalụ nke naịlọn bụ polyamide (PA). Ugbu a, e nwere ọtụtụ ụdị naịlọn e mepụtara n'ụlọ ọrụ mmepụta ihe, ụdị ndị bụ isi e ji emepụta ihe nkiri bụ naịlọn 6, naịlọn 12, naịlọn 66, wdg. Ihe nkiri naịlọn siri ike nke ukwuu nwere ezigbo nghọta, ezigbo mma, ike nrụgide dị elu na ike nrụgide, yana ezigbo iguzogide okpomọkụ, iguzogide oyi, iguzogide mmanụ na iguzogide ihe mgbaze organic. Ọ dị mma iguzogide iyi na iguzogide ntụpọ, dị nro, ihe mgbochi oxygen dị mma, mana ihe mgbochi adịghị mma na uzuoku mmiri, oke nnabata mmiri na mmiri na-abanye, enweghị ike ire ọkụ, dabara adaba maka ịkwakọ ihe siri ike, dị ka nri mmekọahụ, ngwaahịa anụ, nri e ghere eghe, nri e ji igwe anaghị agba nchara, nri e ji uzuoku mee, wdg.
Ihe nkiri Polypropylene nke a kpụrụ akpụ (CPP)
N'adịghị ka usoro ihe nkiri polypropylene nke a na-akpọ biaxially oriented (BOPP), ihe nkiri polypropylene a na-akpọ cast polypropylene (CPP) bụ ihe nkiri extrusion dị larịị nke na-anaghị agbatị agbatị, nke na-anaghị agbatị agbatị nke a na-emepụta site na ịgbaze na quenching. A na-amata ya site na ọsọ mmepụta ngwa ngwa, mmepụta dị elu, nghọta dị mma nke ihe nkiri, ịdị mma na ịdị n'otu ọkpụrụkpụ, na nguzozi dị mma nke ihe dị iche iche. N'ihi na ọ bụ ihe nkiri extruded dị larịị, ọrụ ndị na-esochi ya dị ka ibipụta na njikọta dị oke mma. A na-eji CPP eme ihe nke ukwuu na nkwakọ ngwaahịa nke ákwà, okooko osisi, nri, na ihe ndị dị mkpa kwa ụbọchị.
Ihe nkiri plastik a kpụchara aluminom
Ihe nkiri aluminized nwere ma njirimara nke ihe nkiri plastik na njirimara nke ígwè. Ọrụ nke mkpuchi aluminom n'elu ihe nkiri ahụ bụ ichebe ìhè ma gbochie radieshon ultraviolet, nke na-eme ka ihe dị n'ime ya dịgide ogologo oge, kamakwa ọ na-eme ka ìhè nke ihe nkiri ahụ ka mma. Ya mere, a na-ejikarị ihe nkiri aluminized eme ihe n'ọtụtụ ebe na ngwugwu mejupụtara, nke a na-ejikarị eme ihe na ngwugwu nri kpọrọ nkụ na nke a na-afụ ụfụ dịka bisikiiti, yana nkwakọ ngwaahịa mpụta nke ụfọdụ ọgwụ na ihe ịchọ mma.
Oge ozi: Julaị-19-2023
