Obere njupụta polyethylene
Polyethylene dị obere,
Obere njupụta polyethylene eji maka ihe nkiri,
Obere njupụta polyethylene (LDPE) bụ resin sịntetik na-eji usoro nrụgide dị elu site na polymer radical free nke ethylene na ya mere a na-akpọkwa ya "polyethylene dị elu".Obere nrụgide polyethylene enweghị isi, enweghị ụtọ, ihe ọcha na-adịghị egbu egbu ma ọ bụ ntụ ntụ.Ebe mgbaze bụ 131 ℃.Njupụta 0.910-0.925 g/cm³.Ebe nro 120-125 ℃.Embrittlement okpomọkụ -70 ℃.Okpomọkụ kachasị arụ ọrụ 100 ℃.Na ezigbo okpomọkụ na-eguzogide, oyi na-eguzogide, eyi iguzogide na dielectric Njirimara, chemical kwụsie ike.Ọ fọrọ nke nta ka ọ bụrụ ihe a na-adịghị ahụkebe na ihe mgbaze organic ọ bụla na ụlọ okpomọkụ.Nwere ike iguzogide corrosion nke acid dị iche iche na alkali na ngwọta nnu dị iche iche.A na-eji polyethylene nrụgide dị ala eme ihe n'ọtụtụ ebe na ụlọ ọrụ ọgwụ na kemịkalụ iji mepụta ngwaahịa oghere, dị ka gbọmgbọm, karama na tankị nchekwa.Ndị na-ahụ maka nri na-eji ya na-emepụta ihe nkwakọba ihe.A na-eji ụlọ ọrụ igwe eme ihe mkpuchi, aka, wheel wheel na akụkụ igwe ndị ọzọ n'ozuzu ya, a na-ejikwa akwụkwọ mpempe akwụkwọ na-emepụta akwụkwọ sịntetik.
Njirimara
Ngwa
LDPE (2102TN000) bụ ezigbo extrusion film ihe, tumadi adabara mmepụta nke arọ nkwakọ film, wụsara film, okpomọkụ shrinkable nkwakọ film na na.
Oke
Ngwugwu, Nchekwa na Ụgbọ njem
A na-akwakọba resin n'ime akpa a kpara akpa polypropylene mkpuchi ihe nkiri.Ibu ụgbụ a bụ 25Kg/bag.Ekwesịrị ịchekwa resin n'ụlọ nkwakọba ihe kpọrọ nkụ na ebe ọkụ na ìhè anyanwụ.E kwesịghị ikpokọta ya na mbara ikuku.N'oge njem, ngwaahịa ahụ ekwesịghị ikpughe na ìhè anyanwụ siri ike ma ọ bụ mmiri ozuzo na e kwesịghị ibugharị ya na ájá, ala, metal scrap, coal ma ọ bụ iko.Amachibidoro ibufe ya na ihe na-egbu egbu, ihe na-emebi emebi na ire ọkụ.
Polyethylene njupụta dị ala, ma ọ bụ LDPE, ji ụdọ ndị nwere alaka nke ukwuu nwere ogologo alaka na-enweghị usoro.LDPE nwere njupụta sitere na .910 ruo .935 grams kwa cubic centimita (g/cc).
A bịa n'iji ya mee ihe na ihe nkiri plastik, resins LDPE na-enye ike, mgbanwe, ngwa anya, na permeability.Ọ bụ ezie na o siri ike dị ka resin LLDPE, LDPE na-enye ihe njiri mara mma.
