Polyvinyl Alcohol (PVA) rau kev sib ntxiv thiab films

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Tag nrho Cov Qeb

Polyvinyl Alcohol rau kev sib ntxig, films, thiab kev them nyiaj tshim khoom

Pe ua lag luam polyvinyl alcohol xyaum ib qhov sib txuas tshuaj tso cua sov siv rau kev sib ntxig, siv hluas, films, thiab kev siv rau phaj ntaub. Cov khoom polyvinyl alcohol tau zoo tshaj plaws hauv kev sib ntxig, muaj kev tso tshuaj zoo, thiab muaj kev raug zoo nrog ntau yam siv khoom, pab kom muaj kev ua haujlwm zoo hauv tshuab tshav kho, tshuab tshav tsheb, films kho vajtse, thiab kev them nyiaj tshuaj kim tuaj.

Tau ib qho quote

Koj Xov Tawj Yias?

Kev lees paub txog kev tiv thaiv dej

Thaum xaiv hom zoo thiab kev pab tshuaj lwm, pej xeem tuaj kom zoo dua rau kev tiv thaiv dej thiab kev nyuaj siab rau kev siv ntau yam tshwj xeeb los ntawm PVA thiab VAE systems.

Kev paub txog dab neeg npej xeem

Pej xeem tswj xyuas cov neeg siv khoom nyob hauv qhov chaw sib txawv thiab standart kev siv, pab kev lag luam npej xeem thiab kev tswj xyuas kev siv tshuaj lwm sib txawv.

Tus cwj pwm tseem ceeb rau kev sib thaj yees ntev

Pej xeem xav tias yuav tswj xyuas kev sib thaj yees ntev los ntawm kev muab khoom tsim nyog, kev pab tswj xyuas zoo ib yam, thiab kev pab tshuaj lwm tseem ceeb uas pib ntxig nrog kev lag luam ntawm pej xeem.

Cov khoom sib xws

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SINOPEC PVA 05-88 & PVA 088-05（BP-05 & PVA 205 & PVOH 5-88）

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SINOPEC PVA 17-98 & PVA 098-27

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SINOPEC PVA 20-88 & PVA 088-35

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SINOPEC PVA 24-88 & PVA 088-50（BP-24 & PVA 224 & PVOH 44-88）

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SINOPEC SUNDY PVA 17-88 & PVA 088-20（BP-17 & PVA 217 & PVOH 22-88）

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SINOPEC SUNDY PVA 17-97 & PVA 096-27

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SINOPEC SUNDY PVA 20-92 & PVA 092-35

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SINOPEC SUNDY PVA 24-92 & PVA 092-53

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Shuangxin PVA 24-99 & PVA 100-60

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Shuangxin PVA 26-88 & PVA 088-60

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Shuangxin PVA 26-99 & PVA 100-78

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Shuangxin Gohsenol (PVOH·PVA) GH-17R

Polyvinyl alcohol (PVA) yog ib qhov polymer uas muaj kev tsim nyog ntau, siv ntau hauv ntau qhov chaw, tshaj tshav hauv kev tsim kho tshuab, vaj, kev sau nrog, thiab coatings. PVA pom zoo tshaj rau nws qhov kev sib sau nrog zoo, tso caij nqum dej, thiab kev tsim kho film. Hauv kev tsim kho tshuab, PVA pab txhim kho qhov chaw nruab nraud thiab pab rau kev sau nrog zoo. Nws kuj pab ua li ib qhov chaw sau nrog hauv qhov chaw tsim kho, tshaj tshav hauv kev tsim kho mortar nrog siv ntau yam, pab muab kev tsim nyog, kev sau nrog, thiab kev tso caij nqum kev kawg. PVA tuaj yeem hloov kho kom raug rau ntau yam kev siv, yog li ntawd nws yog ib qhov polymer tseem ceeb hauv kev tsim kho tam sim no.

Cov Lus Nug Nrov

Cov adhesives uas muaj PVA zoo tshaj rau dab tsi?

Lub adhesive tshuab PVA yog zoo tshaj rau daim ntawv, txiv kab, kab ntsa, thiab lwm yam khoom tshuab cellulose. Lub adhesive tshuab no yog siv dej ntau, tsis muaj tshuab solvent, zoo rau dej thiab ntuj, thiab tso caij ntau rau kev sib txuas nrog kev siv meej thiab kev ua tau zoo tib yam.

Puas yog lub adhesive tshuab polyvinyl alcohol zoo rau dej thiab ntuj?

Lub adhesive tshuab polyvinyl alcohol yog siv dej ntau thiab tsis muaj tshuab solvent, ua rau nws nyob zoo rau tus neeg siv thiab zoo rau dej thiab ntuj. Nws tau raug siv ntau rau kev nres khoom, siv txiv kab, khoom sau ntawv, thiab kev tshuab tsev.

APS ua txoj hlis dab tsi nyob rau hauv kev tsim kho kho?

APS ua li thiab los pab sim kho nyob rau hauv qhov chaw sib ntxig. Nws feem ntau siv rau hauv kev tsim kho acrylic, vinyl, thiab kho tshwj xeeb uas xav tau kev sib cuag zoo thiab muaj ceev tshwj xeeb.

Yuav ua li cas siv ammonium persulfate nyob hauv kev lag lag?

Ammonium persulfate raug siv ntau los pab qhia kev tsim polymer emulsion thiab solution rau acrylic polymers thiab latexes. Nws muaj qhov tseem ceeb hauv kev siv hauv dej, kev tseem ceeb, thiab kev lag lag nyob hauv kev lag lag tshuaj lom neeg.

Cov Nqe Lus Xam

Nov

Siv PVA Adhesives los pab ntxiv kev tso tseg dej rau kev siv ntawm ntuj teb

Pom zoo li cas ntawm qhov tseem ceeb thiab yam txiav yam tsis zoo ntawm PVA adhesives thauj pa PVA (polyvinyl acetate) emulsion. Cov PVA glue tshaib meej muaj kev txaus siab rau dej vim lawv muaj cov hydroxyl groups nyob hauv ntau...

Saib ntxiv

Nov