Si-TPV dynamic vulcanizate thermoplastic silicone-raws li elastomer nce qib EVA ua npuas ncauj tshuab

piav qhia:

Ethylene vinyl acetate (EVA) yog ntau yam copolymer tsim los ntawm kev sib xyaw ethylene thiab vinyl acetate monomers. Qhov kev faib ua feem ntawm vinyl acetate (VA) cov ntsiab lus hauv EVA tuaj yeem sib txawv ntawm 2% mus rau 60%, tso cai rau kev hloov kho ntawm nws cov khoom. EVA nrog qis VA cov ntsiab lus, nyob ib ncig ntawm 3 wt%, feem ntau yog siv los hloov polyethylene, thaum muaj cov ntsiab lus VA siab dua, xws li 5 txog 50 wt%, nrhiav kev siv hauv kev tsim cov yeeb yaj kiab shrinkable, ntim khoom noj, thiab khau, thiab lwm yam.

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Si-TPV dynamic vulcanizate thermoplastic silicone-raws li elastomer yog ib qho yooj yim huv huv EVA ua npuas ncauj hloov kho. Nws tuaj yeem siv los ua Modifier EVA ua npuas ncauj rau lub rooj zaum, Modifier Nws tuaj yeem siv los ua Modifier EVA ua npuas ncauj rau lub rooj zaum, Modifier EVA ua npuas ncauj rau cov khoom siv tiv thaiv, Modifier EVA ua npuas ncauj rau cov khoom ua si, Modifier EVA ua npuas ncauj rau ci ntsa iab, thiab nws tuaj yeem pab txhawb nqa Txhim kho ntawm Eva foaming khiav khau tshuab kho dua tshiab. Nws muaj qhov zoo ntawm kev txo cov thermal shrinkage ntawm EVA ua npuas ncauj, kev txhim kho cov resilience thiab abrasion tsis kam, kev txhim kho cov compression deformation ntawm cov khoom, thiab txhawb cov npuas npuas kom zoo ib yam thiab ntom.

Tsis zoo li nws cov semi-crystalline counterpart, polyethylene, kev taw qhia ntawm VA monomers cuam tshuam kev tsim cov muaju hauv cov saw hlau polymer, ua rau txo cov crystallinity. Raws li VA cov ntsiab lus nce ntxiv, EVA tau nce amorphous, ua rau muaj kev hloov pauv hauv nws lub cev thiab cov khoom siv kho tshuab. Thaum tsis zoo li elongation ntawm kev tawg, iav hloov pauv kub, thiab qhov ceev nce nrog cov ntsiab lus VA siab dua, lwm yam xws li tensile zog, modulus, hardness, thiab melting kub txo. Txawm li cas los xij, txawm tias nws cov elasticity zoo dua, EVA tuaj yeem pom qhov tsis txaus ntawm lub zog tsim kua muag, hnav tsis kam, thiab compression teeb, tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov kom muaj zog.

Txhawm rau kov yeej cov kev txwv no, EVA feem ntau yog sib xyaw nrog cov roj hmab lossis cov thermoplastic elastomers (TPEs), txhim kho tensile lub zog, tsim kua muag tsis kam, puas-resistant, thiab tshuaj resilience piv rau cov ntshiab EVA. Kev sib xyaw EVA nrog TPEs zoo li thermoplastic polyurethane (TPU) lossis polyolefin elastomers (POE) txhim kho cov khoom viscoelastic thiab pab txhawb kev ua thiab rov ua dua tshiab. Tsis tas li ntawd, qhov tshwm sim ntawm olefin block copolymer (OBC) muaj cov yam ntxwv elastomeric thiab kub-resistant. OBC tus qauv tshwj xeeb, suav nrog crystallizable nyuaj ntu thiab amorphous mos ntu, ua kom muaj kev ua tau zoo tshaj plaws hauv ntau daim ntawv thov, nrog cov txheej txheem compression piv rau TPU thiab TPV.
Txawm li cas los xij, SILIKE Si-TPV dynamic vulcanizate thermoplastic silicone-raws li elastomer nce qib yog ib qho kev hloov pauv ntawm vulcanizate thermoplastic Silicone-based elastomer modifier. Muab piv rau cov kev hloov pauv xws li OBC thiab POE, Cov ntsiab lus tseem ceeb ntawm Si-TPV suav nrog: ● Txhim kho elasticity ntawm EVA ua npuas ncauj cov ntaub ntawv ● Txhim kho cov xim saturation ntawm EVA ua npuas ncauj cov ntaub ntawv ● Txo cov cua sov ntawm cov ntaub ntawv EVA ua npuas ncauj ● Txhim kho cov hnav los tiv thaiv kev puas tsuaj. ntawm EVA ua npuas ncauj cov ntaub ntawv ● Si-TPV tuaj yeem txhim kho lub siab thiab qis-kub compression deformation ntawm ntau dua-hardness EVA ua npuas ncauj cov ntaub ntawv

Daim ntawv thov

Los ntawm kev sib koom ua ke Si-TPV hloov pauv rau hauv koj cov txheej txheem tsim khoom, cov lag luam tuaj yeem tsim cov ntaub ntawv EVA ua npuas ncauj uas muaj txiaj ntsig zoo, ruaj khov, thiab kev nplij siab, ua rau muaj ntau yam kev siv, suav nrog cov khau khau, cov khoom siv tu cev, cov khoom ua si lom zem, hauv pem teb / yoga lev, thiab ntau dua. .

EVA foaming Guide

Si-TPV 2250 series muaj cov yam ntxwv ntawm lub sijhawm ntev ntawm daim tawv nqaij-phooj ywg mos, zoo stain kuj, tsis muaj plasticizer thiab softener ntxiv, thiab tsis muaj nag lossis daus tom qab siv mus ntev, tshwj xeeb tshaj yog siv rau Super lub teeb siab elastic eco-friendly EVA. foaming khoom npaj.

Kev tsim kho tshiab hauv EVA Foam cov ntaub ntawv (4)

Tom qab ntxiv Si-TPV 2250-75A, npuas cell ceev ntawm EVA ua npuas ncauj tau txais me ntsis txo, npuas phab ntsa thickening, thiab Si-TPV yog dispersed nyob rau hauv lub npuas phab ntsa, npuas phab ntsa ua ntxhib.

Kev sib piv ntawm Si-TPV2250-75A thiab polyolefin elastomer ntxiv cov teebmeem hauv EVA ua npuas ncauj

Kev tsim kho tshiab hauv EVA Foam cov ntaub ntawv (5)

Innovation-nyob rau hauv-EVA-Foam-materials-7

Innovation-hauv-EVA-Foam-cov ntaub ntawv-8

Innovation-hauv-EVA-Foam-materials-82

Cov txiaj ntsig tseem ceeb

01

Txhim kho elasticity ntawm EVA ua npuas ncauj ntaub ntawv

Piv nrog talcum hmoov los yog tus neeg saib xyuas kev puas tsuaj, Si-TPV muaj elasticity zoo dua.
02

Txhim kho xim saturation ntawm EVA ua npuas ncauj ntaub ntawv

Qee pawg ntawm Si-TPV tuaj yeem cuam tshuam nrog dye chromophores, txhim kho xim saturation.
03

Txo cov cua sov shrinkage ntawm EVA ua npuas ncauj ntaub ntawv

Lub elasticity ntawm Si-TPV pab tso cov kev ntxhov siab sab hauv ntawm EVA ua npuas ncauj khoom.
04

Txhim kho qhov hnav los tiv thaiv kev puas tsuaj ntawm EVA ua npuas ncauj

Si-TPV tuaj yeem koom nrog cov tshuaj tiv thaiv ntawm tus neeg sawv cev sib txuas, uas ua rau kom muaj qhov sib txawv ntawm qhov sib txawv.
05

Heterogeneous nucleation

Si-TPV yog uniformly dispersed nyob rau hauv EVA ua npuas ncauj khoom, uas yuav pab tau cell nucleation.
06

Txo cov compression deformation ntawm EVA ua npuas ncauj ntaub ntawv

Si-TPV muaj qhov ua tau zoo ntawm qhov kub thiab txias tsis kam ua haujlwm, thiab tuaj yeem txhim kho lub siab thiab qis kub compression deformation ntawm cov khoom hardness ntau dua EVA ua npuas ncauj.

Durability Sustainability

Kev siv thev naus laus zis siab heev-dawb, tsis muaj plasticizer, tsis muaj roj softening, thiab tsis muaj ntxhiab tsw.
Kev tiv thaiv ib puag ncig thiab rov ua dua tshiab.
Muaj nyob rau hauv cov kev cai-raws li formulations.

Dynamic Vulcanizate Thermoplastic Silicone-raws li Elastomer

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