Kev faib tawm thiab cov yam ntxwv ntawm cov roj hmab tshwj xeeb

Cov roj hmab hluavtaws hluavtaws yog ib ntawm peb cov khoom siv hluavtaws loj thiab yog siv dav hauv ntau yam kev lag luam, kev tiv thaiv hauv tebchaws, tsheb thauj mus los thiab lub neej. Kev ua haujlwm siab thiab cov roj hmab ua haujlwm hluavtaws hluavtaws tseem ceeb tsim nyog rau kev txhim kho lub sijhawm tshiab, thiab nws tseem yog ib qho tseem ceeb ntawm cov tswv yim rau lub teb chaws.

Cov roj hmab tshwj xeeb xa mus rau cov khoom siv roj hmab uas sib txawv xws li cov roj hmab muaj txiaj ntsig, thiab cov tshuaj fluorines tsis kam, thiab cov roj hmab tshwj xeeb, cov khoom siv roj hmab tshwj xeeb muaj Ua cov ntaub ntawv tseem ceeb uas tsim nyog rau kev txhim kho cov tswv yim hauv tebchaws thiab kev tiv thaiv kev ua tub rog thiab tub rog, hluav taws xob, ib puag ncig, thiab dej hiav txwv, thiab dej hiav txwv, thiab dej hiav txwv, thiab dej hiav txwv, thiab dej hiav txwv, thiab dej hiav txwv, thiab dej hiav txwv

1. Hydrogenated Nitrile Roj Hmab (HNBR)

Hydrogenated Nitrile Roj Hmab yog cov khoom siv roj hmab uas tau txais los ntawm kev txhim kho cov roj hmab ua kom tsis txhob ua rau lub zog nitrile ntawm nitrile roj hmab (NRB). , nws lub ntsiab tseem ceeb yog tias nws tuaj yeem siv rau lub sijhawm ntev ntawm 150 ℃, thiab nws tseem tuaj yeem tswj cov khoom siv kub siab thiab siv tau ntawm cov khoom siv kub siab, uas tuaj yeem tswj cov khoom siv kub siab thiab cov khoom siv tau ua kom zoo dua qub Yuav tsum muaj, ntau dua cov khoom siv roj, tshuab roj tsheb, luam ntawv thiab cov khoom siv roj hmab, kev ua kom muaj kev poob siab, thiab lwm yam.

2. Thermoplastic Volcanizate (TPV)

Thermoplastic volcanizates, yog ib chav kawm tshwj xeeb ntawm thermoplastic elastomers uas tau xaiv los ntawm "dynamic vertomic elastomers uas yog immiscetic me me nrog lub thermoplastic kev sib deev hla kev sib deev. Ib txhij vov taws ntawm cov roj hmab theem nyob rau hauv muaj ntawm cov pa hluav taws xob uas tsis sib xws nrog cov pa hluav taws xob uas tsis sib xws, uas tau txhawb nqa theem inversion thiab muab Multiphase morphology hauv TPV. TPV muaj ob qho kev ua tau zoo ib yam li thermosetting roj hmab thiab siv tau yooj yim, tsim nyog siv nyob rau hauv cov kev ua haujlwm siab, cov khoom siv tau yooj yim, siv hluav taws xob dav, hluav taws xob dav, cov hluav taws xob, ntim khoom thiab lwm thaj chaw.

3. Silicone Roj Hmab

Silicone roj hmab yog cov roj hmab tshwj xeeb ntawm cov roj hmab polysiloxane tov nrog kev txhawb nqa polysiles, thiab ua ib lub network zoo li elastomer tom qab vulcanization nyob rau hauv cov cua sov thiab siab. Nws muaj qhov kub zoo heev thiab qhov kub tsis kam, huab cua tsis kam, arc tiv thaiv, noo noo kev ua haujlwm, huab cua sov permeability thiab lub cev muaj zog inertia. Nws muaj ntau cov kev siv hauv kev lag luam niaj hnub, kev saib xyuas hluav taws xob, kev kho mob, kev tiv thaiv thiab kev lag luam tub rog, muaj kev lag luam kev ua tub rog, ntse tsim khoom thiab lwm thaj chaw.

4. Cov roj hmab fluorine

Cov roj hmab fluorine yog hais txog cov tshuaj fluorine-muaj cov khoom siv roj hmab muaj cov tshuaj fluorine atoms ntawm cov ntxaij tseem ceeb ntawm cov saw hlau tseem ceeb. Nws cov khoom tshwj xeeb yog txiav txim siab los ntawm cov qauv kev coj ua ntawm fluorine atoms. Cov roj hmab fluorine tuaj yeem siv tau ntawm 250 ° C rau lub sijhawm ntev, thiab qhov kev pabcuam kub siab tshaj plaws tuaj yeem ncav cuag 300 ° Kub ntawm Alpdm thiab cov roj hmab tsuas yog 150 ° C. Ntxiv nrog rau cov kub ua kom muaj cov roj kub muaj cov roj ua tsis tau zoo, acid thiab alkali ua tsis zoo, thiab nws cov khoom ua haujlwm zoo nkauj yog qhov zoo tshaj plaws ntawm tag nrho cov roj hmab elastomer cov ntaub ntawv. Nws yog tsuas yog siv rau cov roj tsis kam ntawm rockets, cuaj luaj, aircraft, nkoj, tsheb thiab lwm lub tsheb. Cov chaw tshwj xeeb-hom phiaj xws li kev sib khi thiab cov roj-resistant cov ntaub ntawv rau cov ntaub ntawv kev lag luam tseem ceeb rau kev lag luam hauv tebchaws thiab kev tiv thaiv hauv tebchaws thiab cov tub rog.

5. Acrylate Roj Hmab (ACM)

Acrylate roj hmab (ACM) yog elastomer tau los ntawm copolymerization ntawm acrylate raws li lub ntsiab monomer. Nws lub ntsiab tseem ceeb yog cov carbon saw, thiab nws cov pawg yog cov pab pawg ester ester. Vim nws cov qauv tshwj xeeb, nws muaj ntau yam ntxwv zoo, kev tiv thaiv cov khoom siv fluororigub thiab cov roj cua ua kom tsis taus thiab cov roj ua tsis zoo thiab roj ua tau zoo. nyob rau hauv nitrile roj hmab. ACM yog dav siv nyob rau hauv ntau qhov kev kub siab thiab roj-resistant ib puag ncig, thiab tau dhau los ua cov khoom sib khi thiab nce qib los ntawm kev lag luam tsheb tsis ntev los no.