Lastikuw faralen ɲɔgɔn kan, compression permanent deformation tests caman bɛ kɛ ka tɛmɛ tensile permanent deformation tests kan. I n’a fɔ a bɛna ɲɛfɔ cogo min na jukɔrɔ, lastikuw fɛn caman bɛ nɔ bila a bɔgɔbɔli cogoya la. A ka kan ka Kɔlɔsi yan ko deformation permanente (deformation permanent de compressée) ni deformation permanente (deformation permanent de tension) ye jogo fla ye minnu tɛ kelen ye. O la, min bɛ compression permanent deformation ɲɛ, o tɛ tensile permanent deformation ɲɛ, ani a kɔfɛ. Ka fara o kan, lastikuw sigicogo fɛnw na, deformation permanente de compression tɛ sigili tansiyɔn walima sigili baarakɛcogo ɲɛfɔcogo ɲuman ye. A ka c’a la, ni degun lafiyali kɔlɔsili ka gɛlɛn ka taa a fɛ, o bɛ kɛ sababu ye ka fura in sigicogo ɲuman fɔ.
Nin kɔlɔsili kɛcogo ninnu bɛ kɛ walasa ka lastikuw ka deformation banbali baarakɛcogo ɲɛ. Kɔlɔsili: Nin kɔrɔbɔli sariyaw bɛ se ka kɛ ko u tɛ se ka kɛ ko bɛɛ la. Ka fara o kan, fɛn o fɛn bɛ se ka dɔ bɔ bɔgɔbɔgɔli banbali la degun walima sɛgɛn na, o bɛ se ka nɔ bila jogo wɛrɛw la, wa a tɛna ɲɛfɔ sɛbɛn kɔnɔ.
1. vulcanization (wuluwulu) sigicogo
Aw bɛ perokisidiw kɛli jateminɛ i n’a fɔ vulkanizelanw, minnu bɛ se ka CC cross-linked bonds dilan ani o cogo la ka lastikuw ka bɔgɔlan banbali ɲɛ. Etilɛni poropilini lamini na ni perokisidi ye, o bɛ se ka dɔ bɔ lastikuw ka compression permanent deformation la. Nafa minnu bɛ perokisidi la ka tɛmɛ kisɛ kan, olu ye perokisidi minɛcogo nɔgɔya ye ani a ka lastikuw ka fɛn caman tigɛli banbali degun.
2. Vulcanization waati ni funteni
Vulkanizasiyɔn funteni ka caya ani vulkanizasiyɔn waati jan bɛ se ka dɔ fara vulkanizasiyɔn hakɛ kan, o la, a bɛ dɔ bɔ lastikuw ka degun set la.
3. Kɛrɛnkɛrɛnnenya la, ɲɔgɔndan density
Ni dɔ farala lastikuw ka crosslinking density kan, o bɛ se ka dɔ bɔ kosɛbɛ lastikuw ka compression permanent deformation la.
4. Kisɛkisɛ vulkanizecogo
Walasa ka EPDM fɛnɲɛnamafagalan ka bɔgɔlan banbali deguncogo dɔgɔya ani ka funteni kunbɛncogo ɲɛ, an bɛ se ka nin 'yɔrɔko dɔgɔyalen' vulcanization system (mass) in jateminɛ: kisɛ 0,5PHR, ZDBC 3PHR, ZMDC 3PHR, DTDM 2PHR, TMTD3PHR.
W suguya neopɛrɛni na, difenilitiyoureya teliyalan tali bɛ se ka lastikuw kɛ ni degunni dɔgɔyalen ye, a bɛ kɛ fɛn ye min bɛ to senna, nka aw kana CTP kɛ coke kɛlɛlan ye, hali ni a bɛ se ka jeni waati janya, nka a bɛ tiɲɛni caman kɛ degun banbali la.
NBR lastikuw ta la, vulcanization system sugandilen kɔnɔ, kisɛ hakɛ ka kan ka dɔgɔya, k’a ɲini ka kisɛkisɛ kɛ ka farikolo di i n’a fɔ TMTD walima DTDM ka kisɛ yɔrɔ dɔ bila a nɔ na, kisɛkisɛfɛnw dɔgɔyali bɛna lastikuw ka compression permanent deformation performance ɲɛ. Vulcanization system ni HVA-2 ni hyposulfuramide bɛ se ka lastikuw kɛ ni deformation dɔgɔman ye.
5. perokisidi vulkanizecogo
BBPIB perokisidi sugandili bɛna kɛ sababu ye ka lastikuw kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ to senna. Peroxyde vulcanization systems kɔnɔ, co-crosslinkers (co-crosslinkers) baara bɛ dɔ fara unsaturation kan sistɛmu kɔnɔ, o min bɛ na ni crosslink density caman ye, bawo radicals libres crosslinking ni unsaturated bonds bɛ kɛ nɔgɔya la ka tɛmɛ hydrogène ta kan ka bɔ cakɛda saturalenw na. Co-crosslinkers baara bɛ crosslinking network suguya Changer ani o cogo la a bɛ adhesive ka compression permanent deformation properties ɲɛ.
6. vulkanizasiyɔn kɔfɛ
Vulkanize kɔfɛfɛnw bɛ yen vulkanizasiyɔn kɛcogo la, wa vulkanizasiyɔn kɔfɛ taabolo min bɛ kɛ fiɲɛ tansiyɔn na, o b’a to o kɔfɛfɛnw bɛ se ka bɔ, o la, lastikuw bɛ se ka degun hakɛ dɔgɔya.
7. Fluoroelastomɛri FKM/Bisphenol AF Vulkanizasiyɔn
Fluoroelastomères (fluoroelastomers) ta la, bisphenol vulcanizing agent kɛli perokisidi vulcanizing agent nɔ na, o bɛ se ka kɛ sababu ye ka lastikuw kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye min bɛ se ka kɛ fɛn ye.
8. Molecules girinya nɔ
Lastikuw formula kɔnɔ, lastikuw sugandili ni a girinya hakɛ cɛmancɛ ka bon, o bɛ se ka dɔ bɔ kosɛbɛ lastikuw ka deformation permanent deformation (compression permanent deformation) la.
NBR lastikuw ta fan fɛ, lastikuw min ka Mooney sɔgɔsɔgɔninjɛ ka bon, o ka kan ka kɛ, o bɛ se ka lastikuw kɛ ni degun misɛnninw ye, minnu bɛ kɛ deformation permanente.
9. Neopɛrɛni (Neoprene) (Neoprene).
W suguya neoprene ka compression permanent deformation ka dɔgɔn ka tɛmɛ G suguya neoprene kan.
10. EPDM (EPDM) ye
Walasa ka lastikuw kɛ minnu ka degun ka dɔgɔn, olu ka kɛ deformation permanente ye, aw bɛ aw jija ka aw yɛrɛ tanga EPDM lastikuw ma min ka kristali ka bon.
11. NBR ka baarakɛcogo
NBR, n’o ye emulsiɔn polimɛri ye ni kuloridi kalisiyɔmu ye i n’a fɔ coagulant, a ka c’a la, a bɛ kɛ ni degun hakɛ dɔgɔman ye.
NBR lastikuw ta la, n’aw b’a fɛ k’aw sinsin a ka compression permanent deformation performance kan, o tuma na, aw b’a ɲini ka suguya dɔw sugandi minnu bolofara ka ca ani minnu ka cakɛda sirili ka ca walima suguya minnu ka akirilonitirili hakɛ ka dɔgɔn.
12. Etilɛni-akirilati lastikuw
AEM lastikuw ta la, perokisidi vulkanizelanw bɛ se ka degun seti dɔgɔman di ka tɛmɛ diamine vulkanizelanw kan.
13. Homojenizari minnu sinsinnen bɛ resin kan
Aw bɛ aw yɛrɛ tanga homojenizatɛriw tali ma minnu bɛ kɛ ni resin ye lastikuw la, barisa o bɛ dɔ fara furakisɛ in deguncogo kan.
14. Filɛriw
Ni aw ye dɔ bɔ fasa, a jɔcogo ani a yɔrɔ kɛrɛnkɛrɛnnen na (ka dɔ fara a fɛnɲɛnamafagalanw hakɛ kan) a ka c’a la, o bɛna dɔ bɔ degun sigilen na. O waati kelen na, ni dɔ farala fasa yɔrɔ baara kan, o fana bɛ se ka fɛnɲɛnamafagalan in ka compression set resistance ɲɛ.
15. Silika ye
Silisi fasa min bɛ jigin fɛnɲɛnamafagalan kɔnɔ, o bɛna dɔ bɔ degun sigilen na. Walasa ka se ka degun hakɛ dɔgɔman sɔrɔ, a ka kan ka aw yɛrɛ tanga silisi facogo caman ma. Ni fasa hakɛ ka ca ni tilayɔrɔ 25 ye (ka kɛɲɛ ni a girinya ye), o fɛnɲɛnamafagalan ka deformation permanent depression bɛ kɛ belebele ye.
16. Silane ka ɲɔgɔndanfɛn
Ni an y’a jateminɛ ko silane coupling agent tali silisi jalen fa hakɛ caman na, nɔrɔlen ka compression permanent deformation bɛ se ka dɔgɔya. Silane coupling agent bɛ se ka dɔ bɔ silika falen lastikuw ka degun banbali la, ani fana ka silikati suguya falenfɛn degun banbali dɔgɔya i n’a fɔ bɔgɔ, talɔmu mugu ani lastikuw falen wɛrɛw.
17. Plastikifɛnw
Ni aw ye dɔ bɔ plastiki fasa hakɛ la lastikuw kɔnɔ, a ka c’a la, o bɛna dɔ bɔ lastikuw ka degun banbali la.
