Site na mmụba nke ụkpụrụ ndụ na-aga n'ihu, ụkpụrụ ndị mmadụ siri ike ejedebeghị na nri n'onwe ya.Ihe ndị a chọrọ maka nkwakọ ngwaahịa ya na-arị elu.Nkwakọ nri ejirila nwayọọ nwayọọ bụrụ akụkụ nke ngwaahịa site na ọkwa enyemaka ya.Ọ dị mkpa iji chebe ngwaahịa ahụ, Ọ dị oke mkpa iji kwado nchekwa na njem njem, kwalite ahịa, na ịbawanye uru ngwaahịa.
Mbipụta ihe nkwakọ ngwaahịa mgbanwe nri
① Ụzọ mbipụta Nri na-agbanwe nkwakọ ngwaahịa bụ tumadi dabere na gravure na flexographic obibi, na-esote igwe na-ebi akwụkwọ flexographic iji bipụta ihe nkiri plastik (igwe na-ebi akwụkwọ flexographic na-abụkarị ahịrị mmepụta na igwe lamination akọrọ), mana na-ebipụta , ma e jiri ya tụnyere mkpokọta gravure obibi na Mbipụta flexographic eji na-ebi akwụkwọ ngwa ahịa, enwere ọtụtụ ọdịiche.Dịka ọmụmaatụ: A na-ebipụta mbipụta nkwakọ ngwaahịa na-agbanwe agbanwe n'elu mpempe akwụkwọ mpịakọta.Ọ bụrụ na ọ bụ ihe nkiri transperent, enwere ike ịhụ ụkpụrụ ahụ site na azụ.Mgbe ụfọdụ, ọ dị mkpa ịgbakwunye akwa akwa nke agba ọcha ma ọ bụ jiri usoro mbipụta n'ime.
② Nkọwa nke usoro obibi akwụkwọ azụ azụ na-ezo aka na usoro obibi akwụkwọ pụrụ iche nke na-eji efere mbipụta nwere ihe oyiyi na ederede na-ebufe ink n'ime ime ihe obibi akwụkwọ na-egbuke egbuke, ka e wee nwee ike igosi ihe oyiyi na ederede dị mma n'ihu. nke ihe e biri ebi.
③ Uru Liyin
E jiri ya tụnyere mbipụta elu, ihe a na-ebipụta lining nwere uru nke ịbụ ihe na-egbuke egbuke ma mara mma, mara mma / na-adịghị agwụ agwụ, mmiri na-eguzogide ma na-eguzogide.Mgbe ebipụta lining na-agbakọta, a na-agbanye akwa ink n'etiti ihe nkiri abụọ, nke na-agaghị emerụ ihe ndị a chịkọtara.
Ngwakọta ihe nkwakọ ngwaahịa na-agbanwe nri
① Wet compounding usoro: Uwe a oyi akwa nke mmiri-soluble nrapado n'elu nke isi ihe (plastic film, aluminum foil), tinye ya na ihe ndị ọzọ (akwụkwọ, cellophane) site a nrụgide na-akpụ akpụ, wee kpoo ya na ọkụ ọkụ. ọwara ihicha Bụrụ akpụkpọ ahụ mejupụtara.Usoro a dabara adaba maka ịkwakọ nri akọrọ.
② Usoro lamination akọrọ: buru ụzọ tinye nrapado nke na-eme ihe mgbaze na mkpụrụ, wee ziga ya na ọwara ikpo ọkụ na-ekpo ọkụ iji kpochapụ ihe mgbaze ahụ kpamkpam, wee tinye ya na ihe nkiri ọzọ ozugbo.Dịka ọmụmaatụ, a na-ejikọta ihe nkiri polypropylene na-adabere na ya (OPP) na ihe ndị ọzọ na-eji usoro lamination kpọrọ nkụ mgbe e bipụtachara n'ime.Ihe owuwu a na-ahụkarị bụ: ihe nkiri polypropylene gbakwasara agbawa agbawa (BOPP, 12 μm), foil aluminum (AIU, 9 μm) na ihe nkiri polypropylene na-agbatị unidirectional (CPP, 70 μm).Usoro a bụ iji ngwaọrụ mkpuchi rola na-ekpuchi ihe mgbaze dabere na ihe mgbaze "akọrọ nrapado" na isi ihe, wee ziga ya na ọwara ihicha ọkụ iji kpochapu ihe mgbaze n'ụzọ zuru ezu tupu ya ejiri ihe nkiri ọzọ kpuchie ya. laminating rola.
③ The extrusion compounding usoro extrushọke ákwà mgbochi-dị ka a wụrụ awụ polyethylene si n'ibe nke T ebu, pịa ya na pinch roller, na drooled ya na akwụkwọ ma ọ bụ ihe nkiri maka polyethylene mkpuchi, ma ọ bụ na-enye ndị ọzọ ihe nkiri si akwụkwọ nke abụọ nri akụkụ.Jiri polyethylene dị ka akwa mkpuchi maka njikọta.
④ Usoro ngwakọta na-ekpo ọkụ na-ekpo ọkụ: Polyethylene-acrylate copolymer, ethylene acid-etylene copolymer, na paraffin wax na-ekpo ọkụ ma gbazee ọnụ, wee kpuchie ya na mkpụrụ, ozugbo jikọtara ya na ihe ndị ọzọ na-emekọ ihe ọnụ wee mee ka ọ dị jụụ.
⑤Usoro mpụta nke ọtụtụ oyi akwa
A na-agafe resins plastik dị iche iche nke nwere ihe dị iche iche site na ọtụtụ extruders ma tinye ya n'ime ihe na-emepụta ihe nkiri.Usoro a anaghị achọ adhesives ma ọ bụ organic solvents n'etiti n'ígwé, na fim enweghị isi ma ọ bụ na-emerụ ihe mgbaze penetration, na-eme ka ọ dabara maka nri nkwakọ na a ogologo ndụ ndụ.Ọmụmaatụ, n'ozuzu Ọdịdị nke LLDPE/PP/LLDPE nwere ezi nghọta na ọkpụrụkpụ bụ n'ozuzu 50-60μm.Ọ bụrụ na ọ nwere ogologo ndụ shelf.A na-achọ ihe karịrị okpukpu ise nke ihe nkiri dị elu nke na-emekọ ihe ọnụ, na etiti etiti bụ nke ihe mgbochi dị elu PA, PET na EVOH.
Oge nzipu: Mar-13-2024
