Ntụle NKE AKWỤKWỌ AKWỤKWỌ AKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWASỊ

●nwere ike ibipụta ụkpụrụ mara mma.

●Ọ nwere ogologo ndụ nchekwa (ọnwa 6-12) na ụlọ okpomọkụ ma dị mfe iji mechie na imeghe.

●Ọ dịghị refrigeration achọrọ, na-echekwa na ego refrigeration

●Ọ dị mma ịkwakọba ụdị nri dị iche iche, dị ka anụ na anụ ọkụkọ, ngwaahịa mmiri, mkpụrụ osisi na akwụkwọ nri, nri ọka dị iche iche, na ofe.

● Enwere ike ikpokọta ya na ngwugwu ahụ iji gbochie ekpomeekpo ahụ ka ọ ghara ịla n'iyi, karịsịa maka ọrụ ubi, njem, na nri agha.

Mmepụta akpa nri zuru oke, gụnyere ụdị ọdịnaya, mmesi obi ike nke nghọta zuru oke nke nrụpụta ngwaahịa ngwaahịa, mkpụrụ na ink, nhọrọ nrapado, usoro mmepụta, nnwale ngwaahịa, nkwakọ ngwaahịa na njikwa usoro ịmụ nwa, wdg, n'ihi akpa nri. Nhazi nhazi ngwaahịa bụ isi, yabụ nke a bụ nyocha sara mbara, ọ bụghị naanị iji nyochaa nhazi mkpụrụ nke ngwaahịa ahụ, yana nyochakwu arụmọrụ nke ngwaahịa nhazi dị iche iche, iji, nchekwa na ịdị ọcha, akụ na ụba na ihe ndị ọzọ.

1. Nri oriri na igba ogwu
Ụmụ mmadụ na-ebi na microbial gburugburu, ụwa dum biosphere dị na-apụghị ịgụta ọnụ microorganisms, nri na microbial mmeputakwa nke ihe karịrị a ụfọdụ ịgba, nri ga-emebi emebi na ọnwụ nke edibiliti.

Ihe kpatara mmebi nri nke nje bacteria na-emekarị bụ pseudomonas, vibrio, ma okpomọkụ na-eguzogide, enterobacteria na 60 ℃ kpo oku maka nkeji 30 anwụọla, lactobacilli ụfọdụ ụdị nwere ike iguzogide 65 ℃, nkeji 30 nke kpo oku. Bacillus nwere ike n'ozuzu idi 95-100 ℃, kpo oku ruo ọtụtụ nkeji, ole na ole nwere ike idi 120 ℃ n'okpuru 20 nkeji kpo oku. Na mgbakwunye na nje bacteria, e nwekwara ọnụ ọgụgụ dị ukwuu nke fungi na nri, gụnyere Trichoderma, yist na ndị ọzọ. Tụkwasị na nke ahụ, ìhè, oxygen, okpomọkụ, mmiri mmiri, uru PH na ihe ndị ọzọ nwere ike ime ka ihe oriri na-emebi emebi, ma isi ihe bụ microorganisms, ya mere, iji nri okpomọkụ dị elu na-egbu microorganisms bụ ụzọ dị mkpa nke nchekwa nri ogologo oge. oge.

Sterilisation nke nri ngwaahịa nwere ike kewara n'ime 72 ℃ pasteurization, 100 ℃ esi sterilization, 121 ℃ elu-okpomọkụ esi nri sterilization, 135 ℃ elu-okpomọkụ esi nri sterilization na 145 ℃ ultra-elu-okpomọkụ dị ka ultra-elu-okpomọkụ na-eji ngwa ngwa. -ụkpụrụ okpomọkụ sterilization nke ihe dịka 110 ℃. Dabere na ngwaahịa dị iche iche ịhọrọ ọnọdụ ịgba ọgwụ mgbochi ọrịa, ihe kacha sie ike igbu ọnọdụ igba ogwu nke Clostridium botulinum ka egosiri na Tebụl 1.

Tebụl 1 Oge ọnwụ nke Clostridium botulinum spores n'ihe metụtara okpomọkụ

okpomọkụ ℃	100	105	110	115	120	125	130	135
Oge ọnwụ (nkeji)	330	100	32	10	4	80s	30s	10s

2.Steamer akpa Raw Material Characteristics

Akpa akpa retort isi nri dị elu na-abịa nwere njirimara ndị a:

Ọrụ nkwakọ ngwaahịa na-adịte aka, nchekwa kwụsiri ike, mgbochi nke nje bacteria, nguzogide mgbochi okpomọkụ dị elu, wdg.

Ọ bụ ezigbo ihe ngwakọta nke dabara adaba maka nkwakọ nri ozugbo.

Nlele ihe owuwu a na-ahụkarị PET / nrapado / aluminom foil / nrapado gluu / nylon / RCPP

Akpa na-eweghachi okpomọkụ dị elu nwere nhazi akwa atọ PET/AL/RCPP

Ntụziaka ihe

(1) ihe nkiri PET
Ihe nkiri BOPET nwere otu n'imeike kachasi ikenke ihe nkiri plastik niile, ma nwee ike gboo mkpa nke ngwaahịa dị gịrịgịrị na oke siri ike na ike.

Ezigbo oyi na nguzogide okpomọkụ.The ọdabara okpomọkụ nso nke BOPET film si 70 ℃-150 ℃, nke nwere ike ịnọgide na-enwe magburu onwe anụ ahụ Njirimara na a mbara okpomọkụ nso na adabara ọtụtụ n'ime ngwaahịa nkwakọ.

Ọmarịcha ihe mgbochi arụmọrụ.Ọ nwere oke mmiri zuru oke na arụ ọrụ mgbochi ikuku, n'adịghị ka naịlọn nke iru mmiri na-emetụta nke ukwuu, nguzogide mmiri ya yiri PE, yana ọnụọgụ ikuku ikuku ya pere mpe. O nwere ihe mgbochi dị elu nke ikuku na isi, ọ bụkwa otu n'ime ihe eji echekwa ísì.

Nguzogide kemịkalụ, na-eguzogide mmanụ na griiz, ọtụtụ ihe mgbaze na itughari acid na alkalis.

(2) BOPA FILM
Ihe nkiri BOPA nwere ezigbo ike.Ike ntanye, ike ndọka, ike mmetụta na ike mgbawa bụ otu n'ime ihe kachasị mma na plastik.

Mgbanwe pụtara ìhè, nkwụsi ike pinhole, adịghị mfe maka ọdịnaya nke ntapu, bụ akụkụ bụ isi nke BOPA, mgbanwe dị mma, ma na-emekwa ka nkwakọ ngwaahịa ahụ dị mma.

Ngwongwo ihe mgbochi dị mma, njide na-esi ísì ụtọ, iguzogide kemịkalụ ndị ọzọ karịa acid siri ike, karịsịa mma mmanu mmanu.
Site n'ụdị okpomọkụ dị iche iche na-arụ ọrụ yana ebe mgbaze nke 225 ° C, enwere ike iji ya ogologo oge n'etiti -60 ° C na 130 ° C. A na-edobe ihe eji arụ ọrụ nke BOPA na ma ala na okpomọkụ dị elu.

Arụmọrụ nke ihe nkiri BOPA na-emetụta nke ukwuu site na iru mmiri, ma nkwụsi ike akụkụ abụọ na ihe mgbochi na-emetụta iru mmiri. Ogologo mkpirisi ogologo, ọnụego elongation ruru 1%.

(3) CPP ihe nkiri polypropylene ihe nkiri, elu okpomọkụ na-eguzogide, ezigbo okpomọkụ akara arụmọrụ;
Ihe nkiri CPP nke a na-atụba ihe nkiri polypropylene, ihe nkiri nri izugbe CPP na-eji akụrụngwa copolypropylene ọnụọgụ abụọ, akpa ihe nkiri mere nke 121-125 ℃ okpomọkụ dị elu nwere ike idi nkeji 30-60.
Ihe nkiri esi nri dị elu nke CPP site na iji ihe akụrụngwa copolypropylene, nke emere na akpa ihe nkiri nwere ike iguzogide ọgwụ mgbochi 135 ℃ dị elu, nkeji 30.

Arụmọrụ chọrọ bụ: Vicat nro ebe okpomọkụ kwesịrị ịdị ukwuu karịa isi nri okpomọkụ, mmetụta na-eguzogide kwesịrị ịdị mma, ezigbo mgbasa ozi eguzogide, azụ-anya na kristal ebe kwesịrị ka obere dị ka o kwere mee.

Nwere ike idi 121 ℃ 0.15Mpa mgbali nri igba ogwu, fọrọ nke nta ịnọgide na-enwe udi nke nri, ekpomeekpo, na fim agaghị agbawa, bee, ma ọ bụ adhesion, nwere ezi kwụsie ike; na-ejikarị ihe nkiri nylon ma ọ bụ ihe nkiri polyester mejupụtara, nkwakọ ngwaahịa nwere ụdị nri nri, yana bọọlụ anụ, dumplings, osikapa, na nri ndị ọzọ kpọnwụrụ akpọnwụ.

(4) Aluminom foil
Aluminom foil bụ naanị foil metal na ihe nkwakọ ngwaahịa na-agbanwe agbanwe, foil aluminum bụ ihe igwe eji eme ihe, mgbochi mmiri ya, igbochi gas, igbochi ọkụ, njigide ekpomeekpo bụ ihe ngwugwu ọ bụla siri ike iji tụnyere. Aluminom foil bụ naanị foil ọla na ihe nkwakọ ngwaahịa na-agbanwe agbanwe. Nwere ike idi 121 ℃ 0.15Mpa mgbali nri igba ogwu, iji hụ na udi nke nri, ekpomeekpo, na fim agaghị agbawa, bee, ma ọ bụ adhesion, nwere ezi kwụsie ike; na-ejikarị ihe nkiri nylon ma ọ bụ ihe nkiri polyester mejupụtara, nkwakọ ngwaahịa nwere nri ofe, na bọọlụ anụ, dumplings, osikapa na nri ndị ọzọ kpọnwụrụ akpọnwụ.

(5) INK
Akpa Steamer na-eji ink dabeere na polyurethane maka ibipụta, ihe ndị chọrọ ihe mgbaze dị ala, ike dị elu, enweghị mgbagha mgbe esi nri, enweghị delamination, wrinkles, dị ka nri nri karịrị 121 ℃, a ga-agbakwunye ụfọdụ pasent nke hardener ka ọ dịkwuo elu. okpomọkụ iguzogide ink.

Ịdị ọcha ink dị oke mkpa, ọla ndị dị arọ dị ka cadmium, lead, mercury, chromium, arsenic na ọla ndị ọzọ dị arọ nwere ike itinye nnukwu ihe egwu na gburugburu ebe obibi na ahụ mmadụ. Nke abuo, ink n'onwe ya bụ ihe mejupụtara nke ihe ahụ, ink dị iche iche nke njikọ, pigments, agba, ihe mgbakwunye dị iche iche, dị ka defoaming, antistatic, plasticizers na ihe ize ndụ ndị ọzọ. E kwesịghị ikwe ka ịgbakwunye pigmenti ọla dị arọ dị iche iche, glycol ether na ogige ester. Ihe mgbaze nwere ike ịnwe benzene, formaldehyde, methanol, phenol, njikọ njikọ nwere ike ịnwe toluene diisocyanate efu, pigmenti nwere ike ịnwe PCB, amines aromatic na ndị ọzọ.

(6) Nrapado
Ntughari akpa nke steamer na-eji ihe nrapado polyurethane nwere akụkụ abụọ, onye bụ isi nwere ụdị atọ: polyester polyol, polyether polyol, polyurethane polyol. Enwere ụdị ọgwụgwọ abụọ: aromatic polyisocyanate na aliphatic polyisocyanate. Nnyapade uzuoku na-eguzogide okpomọkụ dị elu ka mma nwere njirimara ndị a:

● Akwa siri ike, obere viscosity, ezigbo mgbasa ozi.

● Nnukwu nrapado mbụ, enweghị ike nke peel mgbe ịkwọchara ụgbọ mmiri, ọ dịghị ihe ọ bụla na-emepụta ihe, ọ dịghị wrinkling mgbe steaming gasịrị.

● Ihe nrapado ahụ adịghị mma nke ọma, ọ naghị egbu egbu na enweghị isi.

● Ọsọ mmeghachi omume ngwa ngwa na oge ntolite dị mkpụmkpụ (n'ime awa 48 maka ngwaahịa plastik-plastic composite ngwaahịa na awa 72 maka ngwaahịa aluminom-plastic composite ngwaahịa).

● Mkpuchi mkpuchi dị ala, ike njikọ dị elu, ike mkpuchi okpomọkụ dị elu, ezigbo okpomọkụ na-eguzogide.

● Ala dilution viscosity, nwere ike ịbụ elu siri ike ala ọrụ, na ezi spreadability.

● Ngwa ngwa ngwa, dabara maka ihe nkiri dị iche iche.

●Ezigbo iguzogide nguzogide (okpomọkụ, ntu oyi, acid, alkali, nnu, mmanụ, oseose, wdg).

The ịdị ọcha nke adhesives na-amalite na mmepụta nke isi aromatic amine PAA (primary aromatic amine), nke sitere na mmeghachi omume kemịkalụ n'etiti aromatic isocyanates na mmiri na-ebipụta inks abụọ-component na laminating adhesives. The guzobe nke PAA sitere na aromatic isocyanates. , ma ọ bụghị site aliphatic isocyanates, acrylics, ma ọ bụ epoxy dabeere adhesives. Ọnụnọ nke Ihe na-emechabeghị, ihe ndị dị ala na ihe mgbaze fọdụrụnụ nwekwara ike ibute ihe egwu. Ọnụnọ nke ụmụ irighiri ihe dị ala na-emechabeghị na ihe mgbaze fọdụrụnụ nwekwara ike ibute ihe egwu.

3.The isi Ọdịdị nke akpa nri
Dị ka akụ na ụba na nke anụ ahụ na kemịkal nke ihe onwunwe si dị, a na-ejikarị ihe owuwu ndị a eme ihe maka akpa nri.

Abụọ n'ígwé: PET/CPP, BOPA/CPP, GL-PET/CPP.

Igwe oyibo atọ: PET/AL/CPP, BOPA/AL/CPP, PET/BOPA/CPP,
GL-PET / BOPA / CPP , PET / PVDC / CPP , PET / EVOH / CPP , BOPA / EVOH / CPP

Ngwunye anọ: PET/PA/AL/CPP, PET/AL/PA/CPP

Ọdịdị ọtụtụ ụlọ ahịa.

Ihe nkiri PET / EVOH jikọtara ọnụ / CPP, PET / PVDC ihe nkiri agbakwunyere / CPP

4. Nyocha nke njirimara nhazi nke akpa nri
Nhazi nke akpa nri bụ akwa oyi akwa / oyi akwa dị n'etiti / okpomọkụ akara oyi akwa. A na-emekarị akwa oyi akwa nke PET na BOPA, nke na-arụ ọrụ nkwado ike, nkwụsị ọkụ na mbipụta dị mma. The intermediate oyi akwa na-mere nke Al, PVDC, EVOH, BOPA, nke tumadi na-arụ ọrụ nke mgbochi, ìhè ọta, okpukpu abụọ mejupụtara mejupụtara, wdg The okpomọkụ akara oyi akwa na-mere dị iche iche nke CPP, EVOH, BOPA, na ya. na. Okpomọkụ akara oyi akwa nhọrọ nke iche iche iche nke CPP, co-extruded PP na PVDC, EVOH co-extruded film, 110 ℃ n'okpuru nri nwekwara ịhọrọ LLDPE film, tumadi na-egwu a ọrụ na okpomọkụ akara, puncture eguzogide, chemical iguzogide. kamakwa obere mgbasa ozi nke ihe, ịdị ọcha dị mma.

4.1 PET/glue/PE
Enwere ike gbanwee ihe owuwu a na PA / gluu / PE, PE nwere ike gbanwee na HDPE, LLDPE, MPE, na mgbakwunye na ọnụ ọgụgụ dị nta nke ihe nkiri HDPE pụrụ iche, n'ihi nguzogide okpomọkụ site na PE, nke a na-ejikarị 100 ~ 110 ℃ ma ọ bụ akpa igba ogwu; Enwere ike ịhọrọ gluu site na gluu polyurethane nkịtị na gluu na-esi esi, ọ bụghị adabara nkwakọ ngwaahịa anụ, ihe mgbochi adịghị mma, akpa ahụ ga-agbaji mgbe steaming gasịrị, na mgbe ụfọdụ oyi akwa nke ihe nkiri ahụ na-arapara n'ahụ ibe ya. N'ezie, ihe owuwu a bụ naanị akpa esi nri ma ọ bụ akpa pasteurized.

4.2 PET/glue/CPP
Nke a Ọdịdị bụ a ahụkarị transperent isi nri akpa Ọdịdị, nwere ike packed ọtụtụ n'ime nri ngwaahịa, nke e ji visibiliti nke ngwaahịa, ị nwere ike ozugbo ịhụ ọdịnaya, ma enweghị ike packed mkpa iji zere ìhè nke ngwaahịa. Ngwaahịa ahụ siri ike imetụ aka, ọ na-achọkarị ịkụ ọkpọ nkuku. Nke a Ọdịdị nke ngwaahịa bụ n'ozuzu 121 ℃ sterilization, nkịtị elu-okpomọkụ esi nri gluu, nkịtị ọkwa ọkwa CPP nwere ike ịbụ. Otú ọ dị, gluu kwesịrị ịhọrọ obere shrinkage ọnụego nke ọkwa, ma ọ bụghị na nkwekọrịta nke gluu oyi akwa na-akwọ ụgbọala ink ịkwaga, e nwere ike nke delamination mgbe steaming.

4.3 BOPA / gluu / CPP
Nke a bụ akpa esi nri na-apụtakarị maka 121 ℃ isi nri nri, nghọta dị mma, mmetụ dị nro, ezigbo nguzogide. Enweghị ike iji ngwaahịa a maka mkpa iji zere nkwakọ ngwaahịa ọkụ.

N'ihi na BOPA mmiri permeability bụ nnukwu, e nwere ndị e biri ebi ngwaahịa na steaming mfe na-emepụta agba permeability onu, karịsịa red usoro nke ink penetration n'elu, mmepụta nke ink na-achọkarị ịgbakwunye onye na-agwọ ọrịa iji gbochie. Tụkwasị na nke ahụ, n'ihi ink dị na BOPA mgbe adhesion dị ala, ma ọ dịkwa mfe ịmepụta ihe mgbochi osisi, karịsịa na gburugburu ebe obibi dị elu. Ngwaahịa emechara ọkara na akpa emechara na nhazi ga-emechirịrị na ngwugwu.

4.4 KPET/CPP, KBOPA/CPP
A naghị ejikarị ihe owuwu a eme ihe, nkọwapụta ngwaahịa dị mma, nwere ihe mgbochi dị elu, ma enwere ike iji ya mee ihe maka igba ogwu n'okpuru 115 ℃, nguzogide okpomọkụ dị ntakịrị njọ, na enwere obi abụọ banyere ahụike na nchekwa ya.

4.5 PET/BOPA/CPP
Nke a na Ọdịdị nke ngwaahịa bụ elu ike, ezi nghọta, ezi ntụpọ nguzogide, n'ihi PET, BOPA shrinkage ọnụego dị iche bụ nnukwu, n'ozuzu eji maka 121 ℃ na n'okpuru ngwaahịa nkwakọ.

Ihe dị n'ime ngwugwu ahụ bụ acidic ma ọ bụ alkaline mgbe nhọrọ nke usoro a nke ngwaahịa, kama iji usoro nwere aluminum.

Enwere ike iji akwa akwa nke dị n'èzí họrọ gluu sie, enwere ike belata ọnụ ahịa ya nke ọma.

4.6 PET/Al/CPP
Nke a bụ ụdị akpa akpa nri na-adịghị ahụkarị, dị ka inks dị iche iche, gluu, CPP, okpomọkụ si na 121 ~ 135 ℃ nwere ike iji mee ihe n'usoro a.

PET / otu akụkụ ink / elu-okpomọkụ nrapado / Al7µm / elu-okpomọkụ nrapado / CPP60µm Ọdịdị nwere ike iru 121 ℃ nri chọrọ.

PET / akụkụ abụọ ink / Igwe ọkụ dị elu / Al9µm / Igwe ọkụ dị elu / CPP70µm dị elu nwere ike ịdị elu karịa 121 ℃ isi nri okpomọkụ, na ihe mgbochi na-abawanye, na shelf-ndụ na-agbatị, nke nwere ike. kariri otu afo.

4.7 BOPA/Al/CPP
Nke a na Ọdịdị yiri n'elu 4.6 Ọdịdị, ma n'ihi na nnukwu mmiri absorption na shrinkage nke BOPA, ọ bụghị adabara elu-okpomọkụ nri n'elu 121 ℃, ma puncture eguzogide dị mma, na ọ nwere ike izute chọrọ nke 121. ℃ esi nri.

4.8 PET/PVDC/CPP, BOPA/PVDC/CPP
Nke a na Ọdịdị nke ngwaahịa mgbochi bụ nnọọ mma, adabara 121 ℃ na ndị na-esonụ okpomọkụ isi nri sterilization, na oxygen nwere a elu mgbochi chọrọ nke ngwaahịa.

PVDC na usoro dị n'elu nwere ike dochie EVOH, nke nwekwara ihe mgbochi dị elu, ma ihe mgbochi ya na-ebelata n'ụzọ doro anya mgbe a na-eme ya na okpomọkụ dị elu, na BOPA enweghị ike iji ya dị ka oyi akwa elu, ma ọ bụghị na ihe mgbochi ahụ na-ebelata nke ọma. na mmụba nke okpomọkụ.

4.9 PET/Al/BOPA/CPP
Nke a bụ ihe eji arụ ọrụ dị elu nke obere akpa nri nke nwere ike ịchịkọta ihe fọrọ nke nta ka ọ bụrụ ngwaahịa esi nri ọ bụla ma nwee ike iguzogide nri nri na 121 ruo 135 degrees Celsius.