Insay rɔba kɔmpawnd, dɛn kin du mɔ kɔmpreshɔn pɔrmanent difɔmeshɔn tɛst pas tɛnsiɛl pɔrmɛnt difɔmeshɔn tɛst. As wi go tɔk dɔŋ ya, bɔku tin dɛn bɔt rɔba kɔmpawnd kin afɛkt in difɔmeshɔn prɔpati dɛn. I fɔ notis ya se kɔmprɛsiv pɔrmɛnt difɔmeshɔn ɛn tɛnsiɛl pɔrmɛnt difɔmeshɔn na tu difrɛn prɔpati dɛn. So, wetin de impruv kכmpreshכn pεrmanεnt difכmeshכn nכ de nכmכ impruv tεnsil pεrmanεnt difכmeshכn, εn vays vεsa. Apat frɔm dat, fɔ rɔba silin prodak, kɔmprɛsiv pɔrmanent difɔmeshɔn nɔto gud prɛdiktɔ fɔ silin prɛshɔn ɔ silin pefɔmɛns. Usually, di harder di kompresiv strεs rilaks εkspεriεns fכ du, di bεtε di siling pכrfomans fכ di prodakt dεn prεdikt.
Di fכlכw εkspεriεns protכkכl dεm dεn yuz fכ impruv di pεrmanεnt difכmeshכn pεrformεns fכ di rכba. Notis: Dɛn ɛkspirimɛnt protɔkɔl ya nɔ kin aplay pan ɔl di kes dɛm. Apat frɔm dat, ɛni vɛriɔbul we kin ridyus di pɔrmanent difɔmeshɔn insay kɔmpreshɔn ɔ tɛnsiɔn kin afɛkt ɔda prɔpati dɛn ɛn dɛn nɔ go adrɛs am na di tɛks.
1. vulkanayzeshɔn sistɛm
kכnsidr di yus כf pεrכksayd as vulkanizing ejen, we kin fכm CC kכros-link bכnd εn so impruv di pεrmanεnt difכmeshכn fכ di rכba. Vulcanization of ethylene propylene rubber wit peroxide kin ridyus di kompreshכn permanent difכmeshכn fכ di rכba. di advantej dεm we pεrכksayd gεt pas sכlfa na di simpul we aw yu de handle pεrכksayd εn di lכw kכmprεsiv pεrmanεnt difכmeshכn fכ di rכba.
2. Vulcanization tɛm ɛn tɛmpracha
hכy vulkanayzεshכn tεmprachכ εn lכng vulkanayzεshכn tεm kin inkrεs di digri fכ vulkanayzεshכn εn dat mek i kin ridyus di kכmpreshכn sεt fכ di rכba.
3. Krɔs-linking density
Inkris di kroslinking density f di rכba kin ifektivli ridyus di kכmpreshכn pεrmanεnt difכmeshכn fכ di rכba.
4. Sɔlfɔ vulkanayzeshɔn sistɛm
fכ ridyus di kכmpreshכn pεrmanεnt difכmeshכn fכ EPDM kכmpawnd εn impruv di hεt rεsistεns, wi kin kכnsidr dis 'lכw difכmeshכn' vulkanayzεshכn sistεm (mas): sכlfa 0.5PHR, ZDBC 3PHR, ZMDC 3PHR, DTDM 2PHR, TMTD3PHR.
Insay W tayp nioprene, di yus ɔf diphenylthiourea aksilarayt kin mek di rɔba wit lɔw kɔmpreshɔn pɔrmɛnt difɔmeshɔn, bɔt avɔyd fɔ yuz CTP as anti-kɔk ɛjɛn, pan ɔl we i kin lɔng di skɔch tɛm, bɔt i gɛt mɔ damej to kɔmpreshɔn pɔrmɛnt difɔmeshɔn.
Fɔ NBR rɔba, insay di vulkanayzeshɔn sistɛm we dɛn dɔn pik, di amɔnt ɔf sɔlfɔ fɔ ridyus, tray fɔ yuz sɔlfɔ fɔ gi bɔdi lɛk TMTD ɔ DTDM fɔ riples pat pan di sɔlfɔ, lɛs sɔlfɔ ɛlimɛnt dɛn go impruv di kɔmpreshɔn pɔrmanent difɔmeshɔn pefɔmɛns fɔ di rɔba. di vulkanizashכn sistεm wit HVA-2 εn hayposulfuramid kin mek di rכba wit lכw kכmpreshכn pεrmanεnt difכmeshכn.
5. pεrכksayd vulkanayzεshכn sistεm
di choice fכ BBPIB pεrכksayd go gi di rכba bεtε pεrmanεnt difכmeshכn in kכmpreshכn. insay pεrכksayd vulkanayzεshכn sistεm dεm, di yus fכ kכ-kכroslinkεr de inkrεs di כnsatyureshכn na di sistεm, we in tכn de lid to ay kכroslink dεnsiti, biכs kכroslink fכ fri radikal dεm wit כnsatyuret bכnd dεm de apin izi pas fכ tek haydrojεn frכm satεrayt chen dεm. di yus fכ kכ-krכslinkεr de chenj di tכp kכroslink nεtwכk εn so i de impruv di kכmpreshכn pεrmanεnt difכmeshכn prכpati dεm fכ di adhesive.
6. post-vulkanayzeshɔn
vulkanizashɔn bay-prɔdakt dɛn de di tɛm we di vulkanayzeshɔn prɔses de, ɛn di post-vulkanayzeshɔn prɔses na atmosfɛrik prɛshɔn de alaw dɛn bay-prɔdakt ya fɔ kɔmɔt, so dat de gi di rɔba wan lɔwa kɔmpreshɔn sɛt.
7. Fluoroelastomer FKM/Bisfenol AF Vulkanayzeshɔn
fכ fluoroelastomers, di yus fכ bisphenol vulcanizing ejen insted fכ pεrכksayd vulcanizing ejen kin gi di rכba wan lכw pεrmanεnt difכmeshכn in kכmpreshכn.
8. Efεkt כf mכlikul wet
Insay rɔba fɔmula, di chukchuk fɔ rɔba wit big avɛrej mɔlikul wet kin ridyus di kɔmpreshɔn pɔrmanent difɔmeshɔn fɔ di rɔba fayn fayn wan.
Fɔ NBR rɔba, dɛn fɔ yuz di rɔba we gɛt ay Mooney viskɔsiti, we kin mek di rɔba wit smɔl kɔmpreshɔn pɔrmanent difɔmeshɔn.
9. Nioprene we dɛn kin yuz
W tayp nioprin gεt lכw kכmpreshכn pεrmanεnt difכmeshכn pas G tayp nioprin.
10. Di EPDM
Fɔ mek di rɔba wit lɔw kɔmpreshɔn pɔrmanent difɔmeshɔn, tray fɔ avɔyd fɔ yuz EPDM rɔba wit ay kristaliniti.
11. NBR
NBR, we na emulshכn polimכrayz wit kalsiכm klorayd as kכagulεnt, kin gεt lכw kכmpreshכn sεt.
Fɔ NBR rɔba, if yu want fɔ pe atɛnshɔn pan in kɔmpreshɔn pɔrmanent difɔmeshɔn pefɔmɛns, den tray fɔ pik vayriet dɛn we gɛt ay branch ɛn ay chen ɛntanglement ɔ vayriet dɛn we gɛt lɔw akrilonitril kɔntinyu.
12. Ɛtilin-akrilɛt rɔba
Fכ AEM rכba, pεrכksayd vulkanayz ejen kin gi wan lכw kכmpreshכn sεt pas dayamin vulkanayz ejen.
13. Rɛsin-bɛs homojɛniza dɛn
avכyd di yus כf rεsin-bεys homojεnayza insay rכba kכmpawnd, biכs dis de inkrεs di kכmpreshכn sεt fכ di kכmpawnd.
14. Di wan dɛn we de ful-ɔp
we yu ridyus di filin, strכkchכ εn spεsifi k sεf εria fכ di fil (we yu inkrεs di patikyula saiz) i go כlwayz ridyus di kכmpreshכn sεt. at di sem tεm, we yu inkrεs di aktvכti fכ di filεr sεf kin impruv di kכmpreshכn sεt rεsistεns fכ di kכmpawnd bak.
15. Silika we de na di wɔl
Lɔwa silika fila na di kɔmpawnd go ridyus di kɔmpreshɔn sɛt. Fɔ mek yu gɛt lɔw kɔmpreshɔn sɛt, i nid fɔ avɔyd ay filin fɔ silika. If di filin kwantiti hכy pas 25 pat (bay mas), di kכmpreshכn pεrmanεnt difכmeshכn fכ di kכmpawnd de bi big.
16. Silane kɔpl ɛjɛn
We yu tink bɔt di yus fɔ silane kɔpl ɛjɛn na di ay filin amɔnt fɔ prɛsipitayt silika, di kɔmpreshɔn pɔrmanent difɔmeshɔn fɔ di adeziv kin ridyus. Silane kɔpl ejen kin ridyus di kɔmpreshɔn pɔrmanent difɔmeshɔn fɔ silika ful rɔba, ɛn i kin ridyus bak di kɔmpreshɔn pɔrmanent difɔmeshɔn fɔ silikat tayp fil lɛk kle, talk paoda ɛn ɔda ful rɔba.
17. Di tin dɛn we dɛn kin yuz fɔ mek plastic
If yu ridyus di filin amɔnt fɔ plastizayza na di rɔba, i go ɔltɛm ridyus di kɔmpreshɔn pɔrmanent difɔmeshɔn na di rɔba.
