Ihe ọmụma bụ isi gbasara ụdị atọ nke ihe PE (II)

3. LLDPE

LLDPE anaghị egbu egbu, enweghị ụtọ na enweghị isi, njupụta ya dị n'etiti 0.915 na 0.935g/cm3.Ọ bụ copolymer nke ethylene na obere obere ọkwa α-olefin dị elu n'okpuru ọrụ nke onye na-emepụta ihe, nke a na-eme ka nrụgide dị elu ma ọ bụ obere nrụgide polymerized.Usoro ihe omimi nke LLDPE nke a na-ahụkarị bụ ọkpụkpụ azụ ya nke nwere alaka ole na ole ma ọ bụ na-enweghị ogologo, mana ọ nwere alaka ndị dị mkpụmkpụ.Enweghị alaka ogologo ogologo na-eme ka polymer dịkwuo kristal.

E jiri ya tụnyere LDPE, LLDPE nwere uru nke ike dị elu, ịdị mma siri ike, siri ike siri ike, nkwụsị ọkụ na nkwụsị oyi.

Nchịkọta

Na nchịkọta, ihe atọ ndị a dị n'elu na-arụ ọrụ ha dị mkpa n'ụdị dị iche iche nke ọrụ mgbochi anya.HDPE, LDPE na LLDPE niile nwere ihe mkpuchi dị mma, ihe na-egosi mmiri na ihe mgbochi anya, yana ihe ndị na-adịghị egbu egbu, enweghị ụtọ na isi na-eme ka a na-eji ya eme ihe n'ọrụ ugbo, aquaculture, ọdọ mmiri wuruwuru, ọdọ mmiri na osimiri, ma bụrụkwa nke siri ike. Ụlọ Ọrụ Azụ Azụ nke Ministry of Agriculture of China, Shanghai Academy of Fishery Sciences, na Institute of Fishery Machinery and Instruments kwalitere ma kwalite ya.

Na gburugburu ebe obibi nke acid siri ike, ntọala siri ike, oxidant siri ike na ihe mgbaze organic, ihe onwunwe nke HDPE na LLDPE nwere ike iji ya mee ihe nke ọma ma tinye ya n'ọrụ, karịsịa ihe ndị dị na HDPE na-eguzogide acid siri ike, alkali, oxidation siri ike na ihe mgbaze organic.Akụkụ ahụ dị elu karịa ihe abụọ ndị ọzọ, yabụ HDPE mgbochi seepage na mkpuchi corrosion ejirila nke ọma na ụlọ ọrụ nchekwa kemịkalụ na gburugburu ebe obibi.

LDPE nwekwara ezigbo acid, alkali, njirimara ngwọta nnu, ma nwee ezigbo extensibility, mkpuchi eletriki, nkwụsi ike kemịkalụ, arụmọrụ nhazi na nguzogide okpomọkụ dị ala, ya mere a na-eji ya na ọrụ ugbo, aquaculture, nkwakọ ngwaahịa, karịsịa A na-ejikarị ya na nkwakọ ngwaahịa dị ala. na eriri ihe.

Nkeigwe extruding plastiknke KHMC mere na-ejikarị HDPE eme eriri monofilament.Ụdọ plastik nke igwe anyị na-eme bụ nke nwere ike dị elu ma dị mma nke ukwuu.