Filime ya plastike ni ibikoresho bikunze gukoreshwa kugirango birukanwe. Kuvugurura no gushyushya sterilisation nigikorwa cyingenzi cyo gupakira ibiryo byinshi byo kuvugurura ibiryo. Ariko, imitungo yumubiri ya firime ya plastike irakunze kubora mu bushyuhe nyuma yo gushyuha, bikaviramo ibikoresho biteganijwe. Iyi ngingo isesengura ibibazo bisanzwe nyuma yo guteka imifuka yubushyuhe bwinshi, kandi itangiza uburyo bwabo bwo kwipimisha imikorere, yizeye ko azagira icyo akora kumusaruro nyawo.
Ubushyuhe bukabije bwo gupakira pouches ni ifishi yo gupakira isanzwe ikoreshwa ku nyama, ibicuruzwa bya soya nibindi bicuruzwa byiteguye. Mubisanzwe ni vacuum yuzuye kandi irashobora kubikwa mubushyuhe bwicyumba nyuma yo gushyuha no gukonja kugeza ubushyuhe bwinshi (100 ~ 135 ° C). Ibiryo byo kwirwanya biroroshye kwitwara, biteguye kurya nyuma yo gufungura igikapu, isuku noroshye, kandi birashobora gukomeza uburyohe bwibiryo, bityo birakundwa cyane nabaguzi. Ukurikije inzira yo gupakira nibikoresho bipakira, ubuzima bwibintu byibicuruzwa bivuguruzanya ibicuruzwa biva mu gice cyumwaka kugeza kumyaka 20.
Inzira yo gupakira ibiryo isubiramo ni igikapu, imifuka, gukubitwa, gushyirwaho ikimenyetso, ubugenzuzi, guteka no gukonjesha, no gukonja. Guteka no gushyushya sterilisation nigikorwa cyibanze cyibikorwa byose. Ariko, mugihe amashashi apakira ibikoresho bya polymer - plastike, uruniko rwa molekile rurubiza nyuma yo gushyuha, kandi imitungo yumubiri yibikoresho ikunda kwitiranya ubushyuhe. Iyi ngingo isesengura ibibazo bisanzwe nyuma yo guteka imifuka yubushyuhe bwinshi, kandi itangiza uburyo bwabo bwo kwipimisha.
1. GUSESENGURA ibibazo bisanzwe hamwe no gusubiramo imifuka yo gupakira
Ubushyuhe bwinshi bwo kuvugurura ibiryo bipakirwa hanyuma bugashyuwe no gusiga hamwe nibikoresho byo gupakira. Kugirango ugere kumitungo yo hejuru hamwe ninzitizi nziza, gusubirana-kwikuramo kwikuramo bikozwe mubitekerezo bitandukanye. Ibikoresho bisanzwe bikoreshwa birimo PA, PET, AL na CPP. Inzego zisanzwe zikoreshwa zifite ibice bibiri byanditseho film, hamwe ningero zikurikira (Bopa / CPP / CPP) (nka PA / PPP) Filime-Papp). Mubyasaruro nyabyo, ibibazo bikunze kwinezeza ni iminkanyari, imifuka yamenetse, umwuka hamwe na odor nyuma yo guteka:
1). Mubisanzwe hariho uburyo butatu bwo kwiyuhagira mumifuka yo gupakira: hatambitse cyangwa uhagaritse cyangwa bidasanzwe cyangwa bidasanzwe kubintu bipakira; iminkanyari no kunyerera kuri buri gice gikubiyemo kandi gikabije; kugabanuka kw'ibikoresho biringaniye, hamwe no kugabanuka kw'ibice bigizwe n'ibindi bice bitandukanijwe. Imifuka yamenetse igabanijwemo ubwoko bubiri: guturika guturika no gukubita hanyuma bigaturika.
2) .Gutangazwa bivuga ibintu byerekana ko ibice bigize ibikoresho bipakira bitandukanijwe. Gutinda gato bigaragarira muri umurongo-umeze nk'ibibazo mu bice bishimangirwa by'abipakiye, kandi imbaraga zo gukuramo ziragabanuka, kandi zishobora no gutanyagurwa n'intoki. Mubihe bikomeye, igice gipakira gitandukanijwe ahantu hanini nyuma yo guteka. Niba gusuzugura bibaye, gushimangira imitungo yumubiri hagati yibice bihuriweho nibikoresho bipakira bizashira, kandi imitungo yumubiri izagabanuka cyane, bikaba bidashoboka guhura nibisabwa mubuzima, akenshi bitera igihombo kinini kumushinga.
3) .Biranga umwukaho muri rusange bifite igihe kirekire cyo gukuramo kandi ntibyoroshye kumenya mugihe cyo guteka. Mugihe cyo kuzenguruka ibicuruzwa nububiko, urwego rwa vacuum rwibicuruzwa bigabanuka kandi umwuka ugaragara ugaragara mubipaki. Kubwibyo, iki kibazo cyiza akenshi kirimo ibicuruzwa byinshi. Ibicuruzwa bifite ingaruka zikomeye. Ibibaho byo mu kirere bifitanye isano rya bugufi n'igituba gifite ubushyuhe budakomeye no kurwanya uturere dukennye.
4). Odor nyuma yo guteka nayo ikibazo gisanzwe. Umunuko udasanzwe ugaragara nyuma yo guteka bifitanye isano nibisigara bikabije mubikoresho byo gupakira cyangwa guhitamo ibintu bidakwiye. Niba film ikoreshwa nkimbere yimbere yimifuka yo guteka hejuru yubushyuhe hejuru ya 120 °, film ya penini ikunda umunuko ku bushyuhe bwo hejuru. Kubwibyo, RCPP muri rusange yatoranijwe nkimbere yimbere yimifuka yo guteka hejuru.
2. Uburyo bwo gupima imitungo yumubiri bwo gupakira
Ibintu biganisha kubibazo byiza byo gupakira bihanganye nibice byinshi kandi birimo ibintu byinshi nkibikoresho fatizo, imifuka, imiterere, imiterere yo gukemura, no kugarura inzira. Kugirango tumenye neza uburyo bwo gupakira hamwe nubuzima bwibiryo byibiribwa, birakenewe kwipimisha ibizamini byo kurwanya ibisigazwa kubikoresho byo gupakira.
Igipimo cyigihugu gikoreshwa mugusubiramo imifuka yo gupakira irwanya GB / T10004-2008 "Amahame Rusanzwe ya FIS "Ibipimo bisigaye muri Filime / Ubucucike bugufi Polyethylene Films Films n'imifuka". GB / T 10004-2008 ikubiyemo ibintu bitandukanye bifatika hamwe nibisigisigi bitandukanye byo gupakira firime hamwe nimifuka, kandi bisaba ko imifuka yo gupakira ihindagurika yipimisha kurwanya itangazamakuru ryinshi. Uburyo ni ukuzuza imifuka yo gupakira impinja na 4% ya ACETIC, 1% ya sodium ya sodium hamwe nimboga. Noneho isura yayo, imbaraga za kanseri, kurambura, gushira imbaraga no gushyuza imbaraga zo hejuru zageragejwe, kandi kugabanuka gukoreshwa mugusuzuma. Formula ni izi zikurikira:
R = (ab) / a × 100
Muri formula, r ni igipimo cyo kugabanuka (%) cyibintu byageragejwe, ni ugereranywa n'agaciro k'ibintu byageragejwe mbere yo kwipimisha ubushyuhe bwo hagati; B nigiciro cyimpuzandengo yibintu byageragejwe nyuma yubushyuhe bwo hejuru cyane ikizamini giciriritse. Ibisabwa n'imikorere ni: "Nyuma yubushyuhe bukabije bwo kurwanya ubushyuhe, ibicuruzwa bifite ubushyuhe bwa serivisi bwa 80 ° C cyangwa irengana, no hanze yimbaraga. Igipimo kigomba kuba gishya.
3. Gupima imitungo yumubiri yo gusubiramo imifuka yo gupakira
Ikizamini nyacyo kuri mashini gishobora kumenya rwose imikorere rusange yibipfunyika. Ariko, ubu buryo ntabwo ari ugutwara igihe gusa, ahubwo bugarukira kuri gahunda yo gukora hamwe numubare wibizamini. Ifite imvugo mbi, imyanda nini, hamwe nigiciro kinini. Binyuze mu kizamini cyo gusubiramo kugirango umenye imitungo yumubiri nkibintu bya tensile, imbaraga zisura, imbaraga zubushyuhe mbere na nyuma yo kuvugurura umufuka winjiza urashobora gucirwa urubanza. Ibizamini byo guteka muri rusange bikoresha ubwoko bubiri bwibirimo nibikoresho byigana. Ikizamini cyo guteka ukoresheje ibirimo birashobora kuba hafi bishoboka kubikorwa byukuri umusaruro kandi birashobora gukumira neza ibipfunyiko kidashizweho kwinjiza kumurongo winjiza. Kubijyanye no gupakira ibintu, kwigana bikoreshwa mugupima kurwanya ibikoresho byo gupakira mugihe cyo gukora no kubika. Kwipimisha imikorere yo guteka ni ngirakamaro kandi bifasha. Umwanditsi atangiza uburyo bwo kwipimisha kumubiri bwo kwipimisha-kwikuramo imifuka yo gupakira ibyumba byo kwigana ibiryo kuva abakora batatu batandukanye no kuyobora ibizamini byo guhuriza hamwe. Inzira y'ibizamini ni izi zikurikira:
1). Ikizamini cyo guteka
Ibikoresho: Umutekano n'Ubwenge Inyuma-Igituba cyo guteka Ubushyuhe, HST-H3 Ikizamini cya kashe
INTAMBWE ZIKURIKIRA: Witondere witonze Acide 4% mu mufuka wo gusubiramo kugeza kuri bibiri bya gatatu byijwi. Witondere kutayanduza kashe, kugirango utagire ingaruka kubiyibacyuho. Nyuma yo kuzuza, funga imifuka yo guteka hamwe na HST-H3, no gutegura ingero 12 zose. Iyo ikimenyetso, umwuka mumufuka ugomba kunanirwa cyane bishoboka kugirango wirinde kwaguka mu kirere mugihe cyo guteka bigira ingaruka kubisubizo byikizamini.
Shira icyitegererezo cya kashe mu nkono yo guteka kugirango utangire ikizamini. Shiraho ubushyuhe bwo guteka kuri 121 ° C, igihe cyo guteka kugeza muminota 40, steam 6 ingero, no kubira byitegererezo 6. Mugihe cyo guteka, witondere cyane impinduka mu kirere n'ubushyuhe mu nkono yo guteka kugira ngo ubushyuhe n'umuvuduko bibungaburwe mu ntera.
Nyuma yikizamini kirangiye, gikonje kugeza ubushyuhe bwicyumba, fata kandi urebe niba hari imifuka yamenetse, inkeke, etc. etc. Ubuso bwa 3 # Icyitegererezo ntabwo cyoroshye nyuma yo guteka, kandi impande zarinzwe kugirango zigabanye impamyabumenyi zitandukanye.
2). Kugereranya Ibintu bya Tensile
Fata imifuka yo gupakira mbere na nyuma yo guteka, gabanya ingero 5 zurukiramende × 15mm × 150m muburyo bwa terewoluside na 150 mumiterere ya 23 ± 2 ℃ na 50 ± 10% rh. Imashini ya Xlw (PC) imashini ipima imitsi yakoreshejwe mugupima ingufu no kwihitiramo kurenga kuri 200mm / min.
3). Ikizamini cya Peel
Dukurikije uburyo a ya GB 8808-1988 "Uburyo bwo Kwipimisha Ibikoresho byoroshye bya plastike", gabanya icyitegererezo hamwe nubugari bwa 15 ± 0.1m nuburebure bwa 150mm. Fata icyitegererezo 5 buri cyerekezo cya horizontal na vertical. Mbere yo gukuramo igice giteganijwe mu cyerekezo kirekire cy'icyitegererezo, uyishyure muri XLW (PC) imashini ipima imitsi ya elegitoroniki, hanyuma ugerageze ku gahato kw'ibibanza kuri 300mm / min.
4). Ubushyuhe bwo gupima imbaraga
Ukurikije GB / T 2358-1998 "Uburyo bw'ikizamini cyo gushyuza imbaraga za firime ya plastike" Imyitozo ya ~ muri GB / T 10004-2008.
Incamake
Ibiryo byo kwihanganira bivuguruzanya birushaho gutoneshwa nabaguzi kuberako byoroshye mu kurya no kubika. Kugirango ukomeze neza ireme ryibiyirimo kandi irinde ibiryo byangirika, buri ntambwe yubushyuhe bwinshi bwo kuvugurura igikapu gikenewe ko ikurikiranwa cyane kandi igenzurwa neza.
1. Imifuka yo guteka hejuru igomba gutegurwa igomba gukorwa mubikoresho bikwiye bishingiye kubikorwa no gukora umusaruro. Kurugero, CPP muri rusange yatoranijwe nkikibanza cyimbere cyimbere yubushyuhe bukabije-imifuka yo guteka. Iyo upakira imifuka ikubiyemo ibice bikoreshwa mugupakira aside na alkaline, urwego rwa para rugomba kongerwaho hagati ya al na CPP kugirango wongere kurwanya aside na alkali; Buri gice gikubiyemo ubushyuhe bugomba kuba gihoraho cyangwa bisa kugirango wirinde kurwana cyangwa gusuzugura ibikoresho nyuma yo guteka kubera imiterere mibi ya Shrinkage.
2. Bitunganize neza inzira ishingiye. Ubushyuhe bwo hejuru bwo kuvugurura imifuka ahanini akoresha uburyo bwumye. Mubikorwa byumusaruro bya firime yo gusubiramo, birakenewe guhitamo ibintu bikwiye kandi byiza bigenzurwa nibihe byikizamu kugirango tumenye neza ko umukozi mukuru wurufatiro hamwe numukozi utwara neza.
3. Ubushyuhe bwinshi bwo kurwanya Hagati nuburyo bukabije muburyo bwo gupakira bwubushyuhe bukabije bwo gukemura amashare. Kugirango ugabanye ibibazo byimodoka nziza, imifuka-yubushyuhe bukemuwe igomba kuba yageragejwe kandi igenzurwa hashingiwe kumisaruro mbere yumusaruro mbere yo gukoresha no mugihe cyo gukora. Reba niba isura ya paki nyuma yo guteka ari igorofa, ihindagurika, yahinduwe, yaba igabanuka ryimitungo yumubiri (habaho imbaraga za terefone, nibindi imbaraga) byujuje ibisabwa, nibindi.
Igihe cyo kohereza: Jan-18-2024
