Uwe na-abụghị akwa abụghị akwa a kpara akpa, kama ọ bụ ihe edoziri anya ma ọ bụ usoro eriri na-enweghị usoro, ya mere a na-akpọkwa ha akwa anaghị akpa. N'ihi ngwa ọrụ dị iche iche na usoro mmepụta ihe, a na-ekewa ákwà ndị na-adịghị akwa ákwà n'ọtụtụ ụdị, dị kapolyester na-abụghị kpara akwa, polypropylene na-abụghị kpara akwa, wdg.
Ndị ahịa na-ajụkarị banyere ọdịiche dị n'etiti akwa akwa polyester, akwa polypropylene na-abụghị akwa, polypropylene fiber, na polyester mgbe ị na-eleba anya ngwaahịa ndị na-abụghị kpara akpa. N'okpuru ebe a bụ ndepụta nke ọdịiche ha.
PET akwa anaghị kpara akpa
PET spunbond filament ákwà na-abụghị nke a kpara akpa bụ ụdị mmiri na-eme ka mmiri na-adịghị agwụ agwụ, na ihe na-egbochi mmiri ya dịgasị iche dabere na ịdị arọ nke akwa ahụ. Ka ibu na ibu ibu, ka mma na-arụ ọrụ na-egbochi mmiri. Ọ bụrụ na enwere ụmụ irighiri mmiri n'elu akwa akwa na-abụghị nke a kpara akpa, ụmụ irighiri mmiri ga-apụ ozugbo n'elu.
Polyester na-abụghị akwa akwa na-eguzogide okpomọkụ dị elu. N'ihi agbaze nke polyester dị gburugburu 260 Celsius C, ọ nwere ike ịnọgide na-enwe nkwụsi ike nke akụkụ dị n'èzí nke akwa na-abụghị akwa na gburugburu nke chọrọ nguzogide okpomọkụ. A na-eji ya eme ihe n'ọtụtụ ebe na-ebi akwụkwọ na-ebufe okpomọkụ, nzacha mmanụ na-ebufe mmanụ, na ụfọdụ ihe ndị mejupụtara nke chọrọ nguzogide okpomọkụ dị elu.
PET spunbond akwa anaghị kpara akpabụ ụdị filament na-abụghị kpara akwa nke abụọ naanị naịlọn spunbond na-abụghị kpara akwa. Ike ya dị oke mma, ikuku ikuku dị mma, nkwụsị nkwụsị, nkwụsị anya mmiri na ihe mgbochi ịka nká ejirila ọtụtụ ndị mmadụ mee ihe n'ọhịa dị iche iche.
PET spunbond akwa na-abụghị kpara nwekwara ihe anụ ahụ pụrụ iche: iguzogide ụzarị gamma. Ya bụ, ọ bụrụ na etinyere ya na ngwaahịa ahụike, enwere ike iji ụzarị gamma mee ihe ozugbo maka ịgbasa ọrịa na-emebighị ihe anụ ahụ ha na nkwụsi ike nke akụkụ, nke bụ ihe anụ ahụ nke polypropylene (PP) spunbond akwa anaghị kpara enweghị.
Polypropylene ákwà na-abụghị kpara akpa
Spunbonded ákwà na-abụghị kpara na-ezo aka na-aga n'ihu filament kpụrụ site extrusion na ịgbatị nke polymers, nke tọrọ n'ime a webụ. Weebụ ahụ na-ejikọta onwe ya, na-ejikọta ya na thermally, kemịkalụ ma ọ bụ mebere iji mee ka weebụ ghọọ ákwà na-abụghị nke a kpara akpa. A na-eji ya eme ihe maka ịdị ọcha, dị ka akwa nhicha ọcha, uwe ịwa ahụ, okpu, ihe mkpuchi, ihe ndina, akwa akwa akwa, wdg. Ihe mkpuchi ụmụ nwanyị, ihe ndị a na-atụfu n'efu aghọwo ihe a na-ahụkarị maka ụmụaka na ndị okenye na-eri kwa ụbọchị.
Polypropylene anaghị kpara akpa vs polyester
PP bụ ihe eji arụ ọrụ polypropylene, ya bụ eriri polypropylene, nke bụ nke dị mkpa na-abụghị akwa akwa; PET bụ ihe eji arụ ọrụ polyester ọhụrụ, ya bụ eriri polyester, na-enweghị ihe mgbakwunye na usoro mmepụta niile. Ọ bụ ngwaahịa dị oke mma na gburugburu ebe obibi ma bụrụ nke akwa akwa anaghị kpara akpa.
Ihe dị iche n'etiti polypropylene na polyester fibers
1, Production ụkpụrụ
Ụkpụrụ mmepụta nke polypropylene na polyester fibers dị iche. A na-akwado polypropylene site na kpo oku propylene monomers na okpomọkụ dị elu ma na-agbakwunye ha na ihe na-eme ka polymerization, ebe a na-edozi eriri polyester n'ime ihe eji eme eriri site n'ịgbakwụnye cellulose etherification agents na ihe mgbaze na resin polyester.
2, Njirimara ihe onwunwe
1. N'ihe gbasara akụrụngwa anụ ahụ:
Polypropylene dị obere ma nwee ike eriri dị elu, mana nguzogide ya na oke okpomọkụ adịghị mma. Polyester fibers nwere nnukwu ike ike na ịdịte aka, yana okpomọkụ na nguzogide kemịkalụ, na-ebute ndụ ọrụ ogologo oge.
2. N'ihe gbasara akụrụngwa kemịkalụ:
Polypropylene nwere akụrụngwa kemịkalụ kwụsiri ike, acid, alkalis, wdg adịghị emebi ngwa ngwa, ọ nweghịkwa ihe ndị na-egbu egbu na ndị na-emerụ ahụ. Fibre Polyester nwere nhazi mgbanaka benzene ma nwee ogo ụfọdụ nke nguzogide corrosion.
3. N'ihe gbasara ịdị mma gburugburu ebe obibi:
Polypropylene bụ ihe thermoplastic nke na-adịghị adị mfe nbibi ma na-emerụ gburugburu ebe obibi. Enwere ike imebi eriri polyester site na microorganisms na ọ gaghị ebute mmetọ na gburugburu ebe obibi.
Ihe dị iche n'etiti PP na-abụghị kpara akwa naPET akwa anaghị kpara akpa
1. PP akụrụngwa dị ọnụ ala, ebe PET akụrụngwa dị oke ọnụ. Enwere ike ịmegharị ihe mkpofu PP n'ime ọkụ, ebe enweghị ike ịmegharị ihe mkpofu PET, ya mere ọnụ ahịa PP dị ntakịrị ala.
2. PP nwere oke okpomọkụ na-eguzogide gburugburu 200 degrees, mgbe PET nwere okpomọkụ na-eguzogide gburugburu 290 degrees. PET na-eguzogide oke okpomọkụ karịa PP.
3. Na-enweghị kpara ákwà na-ebi akwụkwọ, okpomọkụ nnyefe mmetụta, otu obosara PP shrinks ọzọ, PET shrinks obere, nwere mma mmetụta, PET azọpụta ọzọ na n'efu obere.
4. Ike mgbakasị ahụ, esemokwu, ikike ibu ibu, na otu ibu ahụ, PET nwere ikike dị ukwuu, esemokwu, na ibu ibu karịa PP. gram 65 nke PET dabara na gram 80 nke PP n'ihe gbasara esemokwu, esemokwu na ikike ibu ibu.
5. Site na gburugburu ebe obibi, PP na-agwakọta ya na ihe mkpofu PP emegharịrị, na ibe PET niile bụ nke ọhụrụ. PET dị mma na gburugburu ebe obibi yana ịdị ọcha karịa PP.
Oge nzipu: Mar-07-2024