Ihe nkiri plastik dị ka ihe e ji ebi akwụkwọ, a na-ebipụta ya dị ka akpa nkwakọ ngwaahịa, nwere ìhè na ìhè, iguzogide mmiri na iguzogide oxygen, ezigbo ikuku siri ike, ike na iguzogide mpịachi, elu dị larịị, nwere ike ichebe ngwaahịa ahụ, ma nwee ike imepụta ụdị ngwaahịa ahụ, agba na uru ndị ọzọ. Site na mmepe nke ụlọ ọrụ petrochemical, ọtụtụ ụdị ihe nkiri plastik, polyethylene plastik a na-ejikarị eme ihe (PE), polyvinyl chloride (PVC), polystyrene (PS), polyester film (PET), polypropylene (PP), naịlọn (PA) na ndị ọzọ. Na mgbakwunye, enwere ọtụtụ ụdị ihe nkiri plastik ndị ọzọ, onye nrụpụta nkwakọ ngwaahịa na-agbanwe agbanwe ọkachamara Shunfa na-eche na ọ dị mkpa ịghọta njirimara nke ihe nkiri plastik tupu akpa nkwakọ ngwaahịa ahaziri ahazi. Haziri nke ọma njirimara nke ụdị ihe nkiri plastik iri na otu n'okpuru akpa nkwakọ ngwaahịa maka ntụaka gị.
1. Polyvinyl chloride (PVC)
Uru nke ihe nkiri PVC na PET yiri ibe ha, otu ihe ahụ bụkwa njirimara nke nghọta, ikuku ume, iguzogide acid na alkali. Ọtụtụ akpa nri mbụ bụ nke ejiri akpa PVC mee. Agbanyeghị, PVC nwere ike ịhapụ ihe ndị na-akpata kansa n'ihi polymerization zuru oke nke ụfọdụ monomers na usoro mmepụta, yabụ ọ dịghị mma maka ijupụta ihe ndị dị na nri, ọtụtụ agbanweela gaa na akpa nkwakọ ngwaahịa PET, nke na-egosi akara ihe ahụ bụ Nke 3.
2. Polystyrene (PS)
Mmiri nke ihe nkiri PS dị obere, mana ọ ka mma ka ọ na-amịkọrọ mmiri, a pụkwara ịhazi ya site na ịpị ihe, ịpị ihe, mkpụpụ na nhazi thermo. N'ozuzu, a na-ekewa ya n'ụdị abụọ nke ịfụ ụfụfụ na iwepụ ụfụfụ dabere na ma ọ gafeela usoro ịfụ ụfụfụ. A na-ejikarị PS Unfoamed eme ihe n'ihe owuwu ụlọ, ihe egwuregwu, ihe eji ede ihe, wdg., a pụkwara ime ya ka ọ bụrụ ihe e ji eme ihe e ji mmiri ara ehi kpụọ, wdg. N'afọ ndị na-adịbeghị anya, a na-ejikwa ya eme ihe n'ọtụtụ ebe n'ime ihe eji eme tebụl a na-atụfu atụfu, ihe nnọchianya ihe ahụ bụ Nke 6.
3. Polypropylene (PP)
Ihe nkiri PP nkịtị na-eji ihe e ji kpụọ ihe, usoro dị mfe ma dịkwa ọnụ ala, mana arụmọrụ anya dị ntakịrị ala karịa CPP na BOPP. Ihe kachasị na PP bụ iguzogide okpomọkụ dị elu (ihe dị ka -20 ° C ~ 120 ° C), ebe agbaze ahụ dịkwa elu ruo 167 ° C, nke dabara adaba maka ijupụta mmiri ara ehi soy, mmiri ara ehi osikapa na ngwaahịa ndị ọzọ chọrọ ọgwụ uzuoku. Ike ya dị elu karịa PE, nke a na-eji emepụta mkpuchi akpa, ihe nnọchianya ihe ahụ bụ Nke 5. N'ozuzu, PP nwere ike siri ike karịa, elu ya na-egbuke egbuke karịa, ọ naghịkwa emepụta isi ọkụ mgbe ọ na-ere ọkụ, ebe PE nwere isi kandụl dị arọ.
4. Ihe nkiri Polyester (PET)
Ihe nkiri Polyester (PET) bụ plastik injinia thermoplastic. Ihe nkiri dị gịrịgịrị nke e ji mpempe akwụkwọ dị arọ mee site na usoro extrusion na ịgbatị bidirectional. Ihe nkiri Polyester nwere njirimara igwe dị mma, ike siri ike, ike na ike, iguzogide mgbapu, iguzogide esemokwu, iguzogide okpomọkụ dị elu na nke dị ala, iguzogide kemịkalụ, iguzogide mmanụ, ike ikuku na nchekwa isi dị mma, bụ otu n'ime ihe ndị a na-ejikarị eme ihe nkiri ndị na-eguzogide permeability, mana iguzogide corona adịghị mma, ọnụ ahịa ya dị elu. Ọkpụrụkpụ nke ihe nkiri ahụ bụ 0.12mm, nke a na-ejikarị eme ihe dị ka ihe mpụta nke akpa nkwakọ ngwaahịa nri, a na-ebipụkwa ya nke ọma. Dee akara ihe ahụ na ngwaahịa plastik ahụ.
5. Naịlọn (PA)
Ihe nkiri plastik naịlọn (polyamide PA) bụ mmepụta dị iche iche ugbu a n'ụlọ ọrụ mmepụta ihe, nke ụdị ndị bụ isi e ji emepụta ihe nkiri bụ naịlọn 6, naịlọn 12, naịlọn 66 na ndị ọzọ. Ihe nkiri naịlọn siri ike nke ukwuu, nghọta dị mma, ma nwee ezigbo ọkụ. Ike nrụgide, ike nrụgide, iguzogide okpomọkụ dị elu na nke dị ala, iguzogide mmanụ, iguzogide ihe mgbaze organic, iguzogide iyi na iguzogide mgbapụ dị mma nke ukwuu, ihe nkiri ahụ dịkwa nro, iguzogide oxygen dị mma, mana ihe mgbochi uzuoku mmiri adịghị mma, nnabata mmiri, ikike iru mmiri buru ibu, na mkpuchi okpomọkụ adịghị mma. Dabara adaba maka ịkwakọ ngwaahịa siri ike, dị ka nri mmanụ, nri e siri esi, nkwakọ ngwaahịa igwe anaghị agba nchara, nri esi nri, wdg.
6. Polyethylene dị elu (HDPE)
A na-akpọ ihe nkiri HDPE geomembrane ma ọ bụ ihe nkiri a na-apụghị ịgbaze agbaze. Ebe agbaze ya dị ihe dị ka 110℃-130℃, njupụta ya dịkwa 0.918-0.965kg/cm3. Ọ bụ ezigbo kristal, nke na-abụghị polar thermoplastic resin, ọdịdị HDPE mbụ bụ ọcha mmiri ara ehi, n'obere akụkụ nke ụfọdụ nke translucent. Ọ nwere ezigbo iguzogide okpomọkụ dị elu na nke dị ala na iguzogide mmetụta, ọbụlagodi na -40F dị ala okpomọkụ. Nkwụsi ike kemịkalụ ya, ike ya siri ike, ike ya, ike ya na ike ndọda dị mma, na mmụba nke njupụta, ihe onwunwe mekanikal, ihe mgbochi, ike nrụgide na iguzogide okpomọkụ ga-aka mma dịka o kwesịrị, ọ nwere ike iguzogide acid, alkali, ihe mgbaze organic na nchara ndị ọzọ. Nchọpụta: ọ na-adịkarịghị ọcha, ọ na-adị ka wax, akpa plastik na-ete ma ọ bụ na-ete mgbe ọ na-agba.
7. Polyethylene dị obere (LDPE)
Njupụta ihe nkiri LDPE dị ala, dị nro, na-eguzogide okpomọkụ dị ala, nkwụsi ike kemịkalụ na-eguzogide mmetụta dị mma, n'ọnọdụ nkịtị acid (ma e wezụga acid oxidizing siri ike), alkali, nchara nnu, yana ezigbo mkpuchi eletriki. A na-ejikarị LDPE eme ihe na akpa plastik, akara ihe nnọchianya ihe bụ Nke 4, a na-ejikwa ngwaahịa ya eme ihe na injinia obodo na ubi ọrụ ugbo, dị ka geomemofilm, ihe nkiri ugbo (ihe nkiri shed, ihe nkiri mulch, ihe nkiri nchekwa, wdg.). Nchọpụta: Akpa plastik e ji LDPE mee dị nro, ọ naghị agbawa agbawa mgbe a na-agwakọta ya, ihe nkiri plastik dị n'èzí na-adị nro ma dị mfe ịdọwa LDPE, ihe nkiri PVC ma ọ bụ PP na-agbawa agbawa ma sie ike karị.
8. Mmanya Polyvinyl (PVA)
Ihe nkiri mejupụtara ihe mgbochi dị elu nke Polyvinyl alcohol (PVA) bụ ihe nkiri nwere ihe mgbochi dị elu nke e ji kpuchie mmiri polyvinyl alcohol nke a gbanwere agbanwe n'elu ihe mkpuchi plastik polyethylene. N'ihi na ihe mkpuchi dị elu nke polyvinyl alcohol nwere ihe mgbochi dị mma ma na-emezu ihe achọrọ maka nchekwa gburugburu ebe obibi, atụmanya ahịa nke ihe mkpuchi a na-enwu nke ọma, enwerekwa ohere ahịa sara mbara n'ụlọ ọrụ nri.
9. Ihe nkiri polypropylene e ji eme ihe (CPP)
Ihe nkiri polypropylene a na-eme ka ọ dị ka ihe nkiri (CPP) bụ ụdị ihe nkiri a na-anaghị agbatị agbatị, nke a na-anaghị agbatị agbatị nke a na-emepụta site na ịgbaze ihe na-eme ka ọ dị jụụ. A na-eji ọsọ mmepụta ngwa ngwa, mmepụta dị elu, nghọta ihe nkiri, ihe na-egbuke egbuke, ihe mgbochi, ịdị nro, ịdị nha nha ọkpụrụkpụ dị mma, nwere ike iguzogide isi nri dị elu (okpomọkụ esi nri karịrị 120 Celsius) na obere okpomọkụ mkpuchi okpomọkụ (okpomọkụ mkpuchi okpomọkụ na-erughị 125 Celsius C), nguzozi arụmọrụ dị mma. Ọrụ ndị na-esochi ya dịka ibipụta ihe, ihe mejupụtara ya dị mma, a na-ejikarị ya eme ihe n'uwe, nri, nkwakọ ngwaahịa ihe ndị dị mkpa kwa ụbọchị, ime ihe dị n'ime nke ihe mejupụtara ya, nwere ike ịgbatị ndụ nchekwa nri, mee ka ịma mma dịkwuo mma.
10. Ihe nkiri polypropylene abụọ (BOPP)
Ihe nkiri polypropylene Biaxial (BOPP) bụ ihe eji akpa nkwakọ ngwaahịa na-agbanwe agbanwe nke e mepụtara na afọ 1960, nke bụ usoro mmepụta pụrụ iche iji gwakọta ihe ndị e ji polypropylene emepụta na ihe mgbakwunye ọrụ, gbazee ma gwakọta, mee mpempe akwụkwọ, wee mepụta ihe nkiri site na ịgbatị. Ihe nkiri a abụghị naanị na ọ nwere uru nke obere njupụta, iguzogide nchara na ezigbo iguzogide okpomọkụ nke resin PP mbụ, kamakwa ọ nwere ezigbo ihe anya, ike igwe dị elu, isi mmalite ihe ndị bara ụba, ihe ndị e ji ebi akwụkwọ dị mma, enwere ike ijikọ ya na akwụkwọ, PET na ihe ndị ọzọ. Nwere nkọwa dị elu na gloss, nnabata ink dị mma na njikọta mkpuchi, ike nrụgide dị elu, ihe mgbochi mmanụ dị mma, obere njirimara electrostatic.
11. Ihe nkiri e ji ígwè mee
Ihe nkiri e ji ígwè mee nwere njirimara nke ihe nkiri plastik na nke ígwè. Ọrụ nke mkpuchi aluminom n'elu ihe nkiri ahụ bụ igbochi ìhè na igbochi radieshon ultraviolet, nke na-agbatị ndụ ihe dị n'ime ya ma na-eme ka ihe nkiri ahụ na-enwu nke ọma, na-edochi foil aluminom ruo n'ókè ụfọdụ, ma nweekwa ihe mgbochi dị ọnụ ala, mara mma na nke dị mma. Ya mere, a na-ejikarị ihe nkiri e ji ígwè mee ihe n'ọtụtụ ebe na ngwugwu mejupụtara, nke a na-ejikarị eme ihe na bisikiiti na ngwugwu nri ndị ọzọ akọrọ, nke a na-afụ ụfụ, ọgwụ na ihe ịchọ mma.
Oge ozi: Julaị-19-2023