Le rababa ƒe ƒuƒoƒo me la, wowɔa nutete ƒe nɔnɔmetɔtrɔ ƒe dodokpɔ siwo nɔa anyi ɖaa geɖe wu tensile ƒe nɔnɔmetɔtrɔ ƒe dodokpɔ siwo nɔa anyi ɖaa. Abe alesi míadzro eme le ete ene la, rababa ƒe akpa geɖe kpɔa ŋusẽ ɖe eƒe nɔnɔme siwo trɔna dzi. Ele be míade dzesii le afisia be compressive permanent deformation kple tensile permanent deformation nye nɔnɔme vovovo eve. Eyata nusi naa compression permanent deformation nyona ɖe edzi menaa tensile permanent deformation nyona ɖe edzi kokoko o, eye wòtrɔna ɖe eŋu. Tsɔ kpe ɖe eŋu la, le rababa-nutrenuwo gome la, compressive permanent deformation menye nu nyui aɖe si gblɔa nutrenu ƒe nyaƒoɖeamenu alo nutrenu ƒe dɔwɔwɔ ɖi o. Zi geɖe la, zi alesi woawɔ compressive stress relaxation dodokpɔa sesẽe la, zi nenemae wogblɔa nusi wowɔ ƒe nutrenu ƒe dɔwɔwɔ ɖi nyuie wu.

Wozãa dodokpɔ ƒe ɖoɖo siwo gbɔna tsɔ naa rababa la ƒe nɔnɔmetɔtrɔ si nɔa anyi ɖaa la nyona ɖe edzi. De dzesii: Ðewohĩ dodokpɔ ƒe ɖoɖo siawo mawɔ dɔ le nɔnɔmeawo katã me o. Tsɔ kpe ɖe eŋu la, tɔtrɔ ɖesiaɖe si ate ŋu aɖe tɔtrɔ si nɔa anyi ɖaa le nutete alo tete me dzi akpɔtɔ ate ŋu akpɔ ŋusẽ ɖe nɔnɔme bubuwo dzi eye womaƒo nu tso eŋu le nuŋɔŋlɔa me o.

1. vulcanization ƒe ɖoɖo

Bu peroxides zazã abe vulcanizing agents ene ŋu kpɔ, si ate ŋu awɔ CC cross-linked bonds eye wòato esia me ana rababa la ƒe nɔnɔmetɔtrɔ tegbee nanyo ɖe edzi. Vulcanization na ethylene propylene rababa kple peroxide ate ŋu aɖe compression tegbee deformation si le rababa la dzi akpɔtɔ. Viɖe siwo le peroxide ŋu wu sulphur enye alesi peroxide zazã le bɔbɔe kple alesi rababa la trɔna tegbee si mebɔ o.

2. Vulcanization ɣeyiɣi kple dzoxɔxɔ

Vulcanization ƒe dzoxɔxɔ si kɔ wu kple vulcanization ƒe ɣeyiɣi didi ate ŋu ana vulcanization ƒe sesẽme nadzi ɖe edzi eye le esia ta aɖe rababa la ƒe compression set dzi akpɔtɔ.

3. Atitsoga-kadodo ƒe kpekpeme

Ne èdzi rababa la ƒe crosslinking density ɖe edzi la, ate ŋu aɖe rababa la ƒe compression permanent deformation dzi akpɔtɔ nyuie.

4. Sulfur vulcanization ƒe ɖoɖo

Be míaɖe EPDM ƒe ƒuƒoƒo ƒe nutete tegbee ƒe tɔtrɔ dzi akpɔtɔ eye míana dzoxɔxɔ ƒe tsitretsitsi nanyo ɖe edzi la, míate ŋu abu 'tɔtrɔ sue' vulcanization ɖoɖo sia (mass): sulfur 0.5PHR, ZDBC 3PHR, ZMDC 3PHR, DTDM 2PHR, TMTD3PHR.

Le W ƒomevi neoprene me la, diphenylthiourea accelerator zazã ate ŋu ana rababa si ƒe nutete le sue la natrɔ ɖa tegbee, gake ƒo asa na CTP zazã abe atike si tsia coke nu ene, togbɔ be ate ŋu adidi dzoxɔxɔ ƒe ɣeyiɣia ɖe edzi hã, gake egblẽa nu le nutete ƒe nɔnɔme si nɔa anyi ɖaa ŋu wu.

Le NBR rababa gome la, le vulcanization ɖoɖo si wotia me la, ele be woaɖe sulfur ƒe agbɔsɔsɔ dzi akpɔtɔ, dze agbagba nàzã sulfur atsɔ ana ŋutilã abe TMTD alo DTDM ene atsɔ aɖɔli sulfur ƒe akpa aɖe, sulfur ƒe akpa siwo mesɔ gbɔ o ana compression permanent deformation performance of the rubber nanyo ɖe edzi. Vulcanization ɖoɖo si me HVA-2 kple hyposulfuramide le ate ŋu ana rababa si ƒe nutete le bɔbɔe wu la natrɔ ɖa tegbee.

5. peroxide ƒe vulcanization ƒe ɖoɖo

BBPIB peroxide tiatia ana rababa la natrɔ nyuie wu tegbee le nutete me. Le peroxide vulcanization ɖoɖowo me la, co-crosslinkers zazã dzia unsaturation ɖe system la me ɖe edzi, si hã hea crosslink density gã vɛ, elabena crosslinking of free radicals kple unsaturated bonds dzɔna bɔbɔe wu hydrogen ɖeɖe tso saturated chains me. Co-crosslinkers zazã trɔa crosslinking network ƒomevi eye wòtoa esia me naa compression permanent deformation properties of the adhesive nyona ɖe edzi.

6. le vulcanization megbe

Vulcanization ƒe kpeɖeŋutɔ aɖewo li le vulcanization ƒe dɔwɔwɔ me, eye vulcanization megbe ƒe dɔwɔwɔ le yame ƒe nyaƒoɖeamenu me ɖea mɔ be woɖea akpa siawo ɖe go, si wɔnɛ be rababa la ƒe nutete nɔa anyi wu.

7. Fluoroelastomer FKM / Bisphenol AF ƒe ʋuʋudedi

Le fluoroelastomers gome la, bisphenol vulcanizing agent zazã ɖe peroxide vulcanizing agent teƒe ate ŋu ana rababa la natrɔ ɖe anyi tegbee le nutete me.

8. Ŋusẽ si molecule ƒe kpekpeme kpɔna ɖe ame dzi

Le rababa ƒe mɔnu me la, rababa si ƒe molecule ƒe kpekpeme lolo le mama dedie nu tiatia ate ŋu aɖe rababa ƒe nutete si nɔa anyi ɖaa ƒe tɔtrɔ dzi akpɔtɔ nyuie.

Le NBR rababa gome la, ele be woazã rababa si ƒe Mooney viscosity lolo, si ate ŋu ana rababa si me nutete sue aɖe le la natrɔ ɖa tegbee.

9. Neoprene ƒe atike

W ƒomevi neoprene ƒe nutete ƒe nɔnɔmetɔtrɔ si nɔa anyi ɖaa le ʋɛ wu G ƒomevi neoprene.

10. EPDM ƒe ƒuƒoƒo

Be nàna rababa si ƒe nutete le sue la ƒe nɔnɔme natrɔ ɖaa la, dze agbagba nàƒo asa na EPDM rababa si ƒe kristalo lolo zazã.

11. NBR ƒe nyawo

Zi geɖe la, NBR, si nye emulsion polymerized kple calcium chloride abe coagulant ene, ƒe compression set si mebɔ o nɔa esi.

Le NBR rababa gome la, ne èdi be yealé fɔ ɖe eƒe compression permanent deformation performance ŋu la, ekema dze agbagba nàtia ƒomevi siwo ƒe alɔdzewo sɔ gbɔ eye kɔsɔkɔsɔ ƒe entanglement lolo alo ƒomevi siwo me acrylonitrile mesɔ gbɔ ɖo o.

12. Ethylene-acrylate ƒe rababa

Le AEM rababawo gome la, peroxide vulcanizing agents ate ŋu ana compression set si bɔbɔ wu diamine vulcanizing agents.

13. Homogenizers siwo wotu ɖe resin dzi

Ƒo asa na homogenizers siwo wotu ɖe resin dzi zazã le rababa ƒe atikewo me, elabena esia dzia atike la ƒe nutete ƒe ƒuƒoƒo ɖe edzi.

14. Nusiwo wotsɔ yɔa nu me

Zi geɖe la, ne woɖe nusi wotsɔ yɔe, eƒe wɔwɔme kple eƒe anyigba ƒe lolome tɔxɛ dzi kpɔtɔ (nusueawo ƒe lolome dzi ɖeɖe kpɔtɔ) aɖe nutete ƒe ɖoɖoa dzi akpɔtɔ. Le ɣeyiɣi ma ke me la, ne wodzi nusi wotsɔ yɔa nu ƒe anyigba ƒe dɔwɔwɔ ɖe edzi hã ate ŋu ana atike la ƒe tsitretsitsi ɖe nutete si woɖo ɖi ŋu nanyo ɖe edzi.

15. Silika si woyɔna be Silica

Silica filler si bɔbɔ ɖe anyi le atike la me aɖe compression set la dzi akpɔtɔ. Be nutete si mebɔ o nanɔ ame si la, ehiã be woaƒo asa na silica yɔyɔ fũ. Ne nusi wotsɔ yɔe ƒe agbɔsɔsɔme sɔ gbɔ wu akpa 25 (le eƒe lolome nu) la, atike la ƒe nutete si nɔa anyi ɖaa la lolona.

16. Silane ƒe kadodo ƒe atike

Ne míebu silane coupling agent zazã le silica si ƒo ɖi ƒe agbɔsɔsɔ si yɔ fũu me ŋu la, woate ŋu aɖe aŋea ƒe nutete tegbee ƒe tɔtrɔ dzi akpɔtɔ. Silane coupling agent ateŋu aɖe compression mavɔ deformation si le silica yɔ rababa me dzi akpɔtɔ, eye wòaɖe compression mavɔ deformation si le silicate type filler abe anyi, talcum powder kple bubu siwo yɔ rababa hã dzi akpɔtɔ.

17. Nusiwo wotsɔna ƒoa plastiki

Zi geɖe la, ne woɖe plasticizer ƒe agbɔsɔsɔ si wotsɔ yɔa rababa la me dzi kpɔtɔ la, aɖe rababa la ƒe nutete si nɔa anyi ɖaa ƒe nɔnɔme dzi akpɔtɔ.