Iji kwuo na e nwere ụdị akpa tii dị iche iche, ihe ndị a na-ejikarị tii akpa na ahịa bụ eriri ọka, ihe anaghị kpara pp, ihe anụ ụlọ anaghị kpara akpa na ihe nzacha akwụkwọ, na
Akpa tii akwụkwọ ndị Britain na-aṅụ kwa ụbọchị.Kedu ụdị akpa tii a na-atụfu ihe dị mma?N'okpuru ebe a bụ mmalite nke ụdị akpa tii ndị a.
1. Oka eriri tii akpa
Fibre ọka bụ eriri sịntetị nke sitere na ọka, ọka wit na starch ndị ọzọ dị ka akụrụngwa, nke a na-emepụta nke ọma na lactic acid wee mee polymerized na spun.Ọ bụ eriri na-emecha mgbasa nke eke ma bụrụ nke na-emebi emebi.Fibre adịghị eji mmanụ ala na ihe ndị ọzọ kemịkalụ ma ọlị, na ihe mkpofu ya nwere ike ree ka ọ bụrụ carbon dioxide na mmiri n'okpuru ọrụ nke microorganisms na ala na mmiri oké osimiri, na ọ gaghị emetọ gburugburu ụwa.
2. Na-adịghị kpara pp ihe tii akpa
Ihe pp ahụ bụ polypropylene, nke na-abụghị chiseled, enweghị isi, na mmiri ara ehi na-enweghị ụtọ na-acha ọcha nke ukwuu kristal polymer.PP polyester bụ ụdị amorphous, ebe mgbaze ya kwesịrị ịdị n'elu 220, na ọdịdị okpomọkụ ya kwesịrị ịdị ihe dịka 121 degrees.Ma n'ihi na ọ bụ macromolecular polymer mgbe niile, na elu okpomọkụ, nke nta na nyocha
Nke ka ukwuu nke oligomers, na ọtụtụ n'ime ihe ndị a adịghị mma maka ahụike mmadụ.Ọzọkwa, dị ka ndị ahịa si eji, mmiri esi na-adịkarị 100 degrees, ya mere a gaghị akara iko plastik izugbe karịa 100 degrees.
3. Akpa tii anụ anaghị kpara akpa
Dị ka ihe nkwakọ ngwaahịa, PET nwere oke nguzogide dị elu na nke dị ala.Enwere ike iji ya ogologo oge na ọnọdụ okpomọkụ nke 120 degrees, ọ nwere ike idi elu okpomọkụ nke 150 degrees maka obere oge.The permeability nke gas na mmiri vepo dị ala, na ọ nwere magburu onwe gas, mmiri, mmanụ na pụrụ iche isi iguzogide.High nghọta na ezigbo gloss.Ọ naghị egbu egbu, enweghị ụtọ, ma nwee ezigbo ịdị ọcha na nchekwa, enwere ike iji ya mee ihe ozugbo na nri.
4. Akpa tii mere akwụkwọ nzacha
Na mgbakwunye na akwụkwọ nzacha eji na ụlọ nyocha izugbe, enwere ọtụtụ ngwa nke akwụkwọ nzacha na ndụ kwa ụbọchị, na akwụkwọ nzacha kọfị bụ otu n'ime ha.Akwụkwọ nzacha dị n'elu oyi akwa nke akpa tii na-enye nnukwu nro na ike mmiri.Ihe ka ọtụtụ n'ime akwụkwọ nzacha bụ eriri owu, ma enwere ọtụtụ oghere dị n'elu ya maka ụmụ irighiri mmiri na-esi na ya gafere, ebe a naghị akpọpụta ihe ndị siri ike buru ibu.
5. Akpa tii akwụkwọ
Otu n'ime akụrụngwa eji na akpa tii akwụkwọ a bụ abaca.Ihe a dị gịrịgịrị ma nwee ogologo eriri.Akwụkwọ a na-emepụta dị ike ma na-asọ oyi, na-emepụta ọnọdụ kwesịrị ekwesị maka mgbasa nke ụtọ tii.Ngwa ngwa ọzọ bụ eriri plastik na-ekpuchi ọkụ, nke na-arụ ọrụ iji mechie akpa tii.Plastic a anaghị amalite ịgbaze ruo mgbe ọ na-ekpo ọkụ ruo 160 Celsius, ya mere ọ dịghị mfe ịgbasa na mmiri.Iji gbochie akpa tii n'onwe ya ka ọ ghara ịgbaze na mmiri, a na-agbakwunye ihe nke atọ, osisi pulp.Mgbe a gbasasịrị ngwakọta abaca na plastik, a na-ekpuchi ya na mpempe akwụkwọ osisi, ma mesịa tinye ya n'ime nnukwu igwe mpempe akwụkwọ dị mita 40, wee mụọ akwụkwọ akpa tii.
Oge nzipu: Nov-18-2021