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Mana Viscosity i roto i te here PET: He aha te 0.60–0.95 dl/g he mea nui mo te kaha

Tirohanga: 0     Kaituhi: Kaiwhakatika Pae Wā Whakaputa: 2026-10-26 Takenga: Pae

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Ko te Tau Huna kei muri i te kaha o te here PET

Ina tohua e nga kaihoko Te here PET (te here polyester), ka titiro ratou ki nga inenga kitea: te whanui, te matotoru, me te kaha pakaru. Heoi ano, ko te mahi miihini o te here kua oti te whakahau ma te tohu e kore e kitea o te rauemi mata: te pokey intrinsic (IV).

Ko te Viscosity te inenga o te taumaha ngota o te kapia polyester. Ka whakatauhia te roa o nga mekameka waerau me te kaha o te hono ki a ratau. I roto i te ahumahi whitiki, ko te waahi reka mo te whitiki PET kounga teitei ko te awhe pokey o 0.60 ki te 0.95 dl / g.

aunoa kaha teitei matū muka mokai here_640_480.png

Mena he iti rawa te pokey, he poto nga mekameka polymer, ka puta mai he here karekau he kaha toka, ka ngawari te pakaru. Mēnā he tiketike rawa te pōkākā, ka mārō rawa te kapia ki te tukatuka tōtika, ka puta ngā hē o te hanga.

I Jushuo Packaging, ko o maatau raraunga whakaputa e whakaatu ana ko te pupuri i te mana o te kirikiri i waenga i te 0.60 me te 0.95 dl / g he mea nui mo te whakaputa i te whitiki ka taea te whakakapi i te maitai i roto i nga tono taumaha.

1. He aha te Viscosity Intrinsic?

1.1 Whakamaramatanga me te Ine

Ko te pokey o roto (IV) he ine mo te kaha o te waerau ki te rere i roto i te otinga, e hono tika ana ki tona taumaha ngota. E ai ki nga maapono pūtaiao polymer, ko te tikanga ine te IV ki te deciliters mo ia karamu (dl/g). Mo te kapia PET e whakamahia ana ki te whitiki, ka tohu te ine i te tohu o te polymerization.

Taonga

Inenga

Te Paanga ki runga i te Here

Viscosity iti

<0.60 dl/g

He pakarukaru, he iti te kaha tensile

Viscosity tino pai

0.60 – 0.95 dl/g

Te kaha teitei, te roa, te pono

Viscosity Teitei

> 0.95 dl/g

He uaua ki te tukatuka, he uaua

1.2 He aha te mea ka heke te Viscosity i te wa e Tukatuka ana

I roto i te tukanga tangohanga, ka rewa te kapia PET i te wera nui. E ai ki te matū whakangao, ka taea e te wera me te makuku te whakamaroketanga, te pakaru i nga mekameka polymer me te whakaheke i te pokey. Ki te kore e tika te whakahaere, ka iti ake pea te pokey o te here kua oti i te mata o te rawa, ka heke iho nga taonga miihini.

2. Te Mahi o te Viscosity i roto i te kaha o te whitiki

2.1 Te Kaha Tensile

He rite tonu te kaha o te kaha ki te taumaha ngota. Ko nga mekameka polymer roa ake (he kaha ake te pokey) ka nui ake nga tohu whakararuraru, ka aukati i te pakaru i raro i te taumahatanga. Ko te whitiki PET me te pokey 0.80 dl/g ka nui ake te pai o te whitiki i hangaia mai i te 0.60 dl/g kapia i runga i te kaha pakaru me te atete paanga.

2.2 Te Whakaroatanga me te Pumau Pumau

Ka pa ano te pokey ki te toronga o te here. Ko te PET kaha-nui e whakaatu ana i te whakaora rapa pai ake, ko te tikanga ka mau tonu te taumahatanga i roto i te waa ka tau nga taumahatanga. Ko te PET iti-pokey ka totoro tonu, ka matara nga kawenga i te wa e whakawhiti ana.

2.3 Ātete Taiao

E ai ki nga raraunga putaiao rawa, he pai ake te kaha o te PET ki te paheketanga o te UV me te koroheketanga waiariki i nga tohu pokey iti. Ma tenei ka mau tonu te kaha o te here i roto i te rokiroki o waho mo te wa roa, te whakawhiti moana ranei.

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3. Nga Hua o te Poneke Heke

3.1 Mēnā He Iti Te Poneke (<0.60 dl/g)

  • Te here pakaru : Ka pakaru, ka wehe ranei te here i te wa e mariri ana.

  • He iti te kaha pakaru : Ka taka te here i raro i nga kawenga ka taea e te here kua tohua tika.

  • Mahinga maiorooro : Ko nga rereketanga o te roopu-ki-te-paanga ka mutu nga raina whakaputa.

3.2 Mēnā He Teitei Te Poneke (> 0.95 dl/g)

  • Tukatuka take : He uaua ki te kapia pokey teitei te whakaputa me te totoro, ka nui te whakapau kaha me te kakahu taputapu.

  • Maamaa : He pakari rawa te here kia rite ki nga ahua o te kete, ka whakaiti i te pumau o te uta.

4. Pehea Jushuo Packaging Whakahaere Viscosity

I Jushuo Packaging, e kore matou e waiho pokey ki tupono noa. Ka whakamahia e matou te hangarau Solid State Polymerization (SSP) ki te whakahaere me te whakapumau i te viscosity intrinsic o to tatou resin PET.

E ai ki o maatau raraunga whakaputa, ka taea e te hangarau SSP te whakatika tika i te viscosity i roto i te awhe 0.60 ki te 0.95 dl/g. Ma tenei ka whakarite kia eke nga roopu katoa o te here PET ki te kaha me te mauroa. Ka whakamanahia e matou te viscosity na roto i nga whakamatautau taiwhanga kaha, me te whakarite ka tukuna e te here kua oti nga mahi e hiahiatia ana mo nga tono umanga taumaha.

5. Te Aromātai i te Mana Viscosity Kaiwhakarato

5.1 Tuhinga

I te wa e whiriwhiri ana koe i tetahi kaiwhakarato whitiki PET, patai mo nga korero mo nga rauemi mata. Ma te kaiwhakarato pono ka tuku tuhinga mo te poiketanga o roto o te kapia me nga ahuatanga miihini o te whitiki kua oti. Ko tenei maaramatanga e whakaatu ana ko te mana pokey tetahi waahanga o ta raatau punaha whakahaere kounga.

5.2 Tauira Whakamātautau

Tonoa nga tauira ka whakamatauria. E ai ki nga tikanga pai o te kounga:

  1. Whakamātautau Tensile : Manatokohia kia rite te kaha pakaru ki te whakaritenga.

  2. Whakamātautau Whakaroa : Inehia te nui o te toronga o te here i raro i te kawenga.

  3. Tirotiro Ataata : Tirohia nga koha o te mata e tohu ana he pai te tukatuka.

Whakarāpopototanga

Ko te viscosity intrinsic ko te tohu huna e whakatau ana i te kaha pono o te here PET (tali polyester). Ko te awhe tino pai o te 0.60 ki te 0.95 dl/g ka whakarite kia roa te roa o nga mekameka polymer ki te whakarato i te kaha kaha me te whakaora elastic, i te mea ka taea te tukatuka mo te hanga pono.

Mo nga kaihoko, ma te mohio ki te potata ka awhina te wehewehe i waenga i nga kaiwhakarato kounga teitei me era kokonga tapahi. Ma te manatoko i te mana pokey, ka taea e koe te whakarite kia pai te mahi a te here PET e hokona ana e koe i roto i nga tono tono.

Ko Jushuo Packaging e tu ana hei kaihanga here polyester PET whirinaki, e whakaputa ana i nga otinga raima kirihou pai ake i tautokohia e te tekau tau o nga tohungatanga motuhake. Ko ta matou whare hanga 15,000㎡ tino-a-toi e whakamahi ana i te hangarau Solid State Polymerization (SSP) ki te whakahaere tika i te viscosity mai i te 0.60 ki te 0.95 dl/g, e whakaputa ana i te whitiki PET mahi teitei me te 99% reeti haere. Na te kaha o te whakaputanga a-tau neke atu i te 20,000 tone, ka whakarite maatau i nga mekameka tuku pono me te utu whakataetae mo nga ota nui. Mena kei te hiahia awhina koe mo nga whakaritenga here mo te PET, te whakapumautanga pokey ranei, tukuna mai he imeera ki sales@jushuopackaging.com , a ka whakaratohia e to maatau roopu ngaio te tautoko takitahi.

Tohutoro

  1. Komiti Pakeha mo te Paerewa. ' EN 13394:2001 – Whakapaipai – Whakapaipai – Whakatakotoranga mo te Whakapiri Polyester.' CEN.eu , 2021.

  2. ASTM International. 'ASTM D4603 – Tikanga Whakamātautau Paerewa mo te Whakatau i te Viscosity Inherent o Poly(Ethylene Terephthalate).' ASTM.org , 2021.

  3. Society of Plastics Engineers. 'Polyester: Nga Taonga me nga Tono.' SPE.org , 2024.

  4. Whakahaere Paerewa o te Ao. 'ISO 1628-5 – Plastics — Te Whakataunga i te Viscosity o Polymers i roto i te Dilute Solution.' ISO.org , 2025.

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