I. Abɔdeɛ mu rɔba .

Nsuo a ɛtwetwe: Nsuo a ɛwɔ abɔdeɛ mu rɔba mu no gu ahodoɔ wɔ latex a ɛyɛ coagulation concentration, type of preservative and coagulant, washing pressure and drying conditions in the rɔba yɛ mu, enti nsonsonoeɛ a ɛda adi pefee wɔ nsuo a ɛtwetwe nneɛma ahodoɔ no mu.

ii. Styrene Butadiene rɔba .

Nsu a wɔtwe: ɛte sɛ rɔba a efi abɔde mu.

iii. Butadiene rɔba .

Nsu a ɛba fam: Nsu a ɛkɔ butadiene rɔba mu no sua sen styrene butadiene rɔba ne abɔde mu rɔba, a ebetumi ayɛ butadiene rɔba a wɔde yɛ anyinam ahoɔden nhama a ɛmma nsu nkɔ mu ne rɔba nneɛma afoforo a ehia sɛ ɛko tia nsu no.

iv. Butyl rɔba .

Butyl rɔba no wɔ nsu a ɛkɔ fam koraa, nsu a ɛko tia no yiye wɔ ɔhyew nyinaa mu, na nsu a ɛkɔ mu wɔ dan mu hyew mu no so tew mpɛn 10-15 sen rɔba afoforo. Saa butyl rɔba a ɛyɛ adwuma yiye yi yɛ mmoa a ɛho hia ma anyinam ahoɔden a wɔde siw ano. Butyl rɔba a wɔde carbon black ahyɛ mu den ne vulcanized a wɔde resin ayɛ no betumi anya nsu a ɛkɔ fam no adwumayɛ a ɛba fam wɔ ɔhyew a ɛkɔ soro ne bere tenten a wɔde hyɛ mu no mu. Sɛnea ɛbɛyɛ a butyl rɔba betumi ayɛ nea nsu anaa ɔhyew a ɛkɔ soro wɔ hɔ bere tenten no, ɛsɛ sɛ wosusuw nneɛma a edidi so yi ho wɔ nnyinasosɛm mu:

1, ɛsɛ sɛ filler no yɛ nea ɛnyɛ hydrophilic ne meta-electrolytic.

2, ɛsɛ sɛ nneɛma a ɛma nsu tumi fa mu a ɛwɔ vulcanization nhyehyɛe no mu no yɛ kakraa bi sɛnea ɛbɛyɛ yiye biara .

3、 Ɛsɛ sɛ reinforcing filler ne vulcanization tebea a wɔapaw no ma vulcanized rɔba no wɔ elastic modulus a ɛkorɔn ne honam fam su afoforo.

V. Ethylene propylene rɔba .

Nsu a ɛyɛ hyew ne nsu a ɛyɛ hyew a ɛko tia. Ethylene propylene rɔba no tumi gyina nsu a ɛyɛ hyew ano yiye, na eye sen ɔhyew a ɛko tia no mpo. Ne nsu a ɛyɛ hyew kɛse a ɛko tia no ye sen butyl rɔba ne rɔba a ɛwɔ hɔ nyinaa. Ethylene propylene rɔba nso tumi gyina nsu a ɛyɛ hyew ano yiye, nanso ɛne vulcanization nhyehyɛe a wɔde di dwuma no wɔ abusuabɔ kɛse. Peroxide ne vulcanization nhyehyɛe a etu mpɔn a wɔde ethylene propylene rubber vulcanization rubber peroxide adwumayɛ di dwuma no ye sen sulfur vulcanization a ɛwɔ ethylene propylene rubber anaa butyl rɔba mu, nanso sulfur vulcanization a ɛwɔ ethylene propylene rubber rubber a wɔde yɛ rɔba no mu no yɛ sulfyl vulcanization a ɛyɛ hu sen sɛ ɛbɛyɛ nea ɛboro so.

VI. Neoprene rɔba .

Nsu a ɛko tia no ye sen rɔba afoforo a wɔayɛ, gas a ɛyɛ den no yɛ nea ɛto so abien wɔ butyl rɔba akyi.

Nsiesiei a wɔyɛ ma neoprene nsu a ɛko tia rɔba, ɛsɛ sɛ ɛyɛ aso ma vulcanization nhyehyɛe ne filler a wɔpaw no yiye. Vulcanization nhyehyɛe no ye sen biara sɛ wode lead oxide nhyehyɛe bedi dwuma, akwati sɛ wode magnesium oxide, zinc oxide nhyehyɛe bedi dwuma. Lead oxide dosage Wɔ afã 20 anaa nea ennu saa mu no, dwuma bi di wɔ nsu a ɛko tia mu a ɛma ɛyɛ yiye no mu, nanso dodow no dɔɔso dodo nanso entumi nyɛ adwuma. Sɛ wode lead sulfide di dwuma a, nea eye sen biara a wɔpaw a ɛyɛ filler reinforcement carbon black, carbon black wɔ slot kwan so carbon black yɛ papa, fononoo kwan no carbon black yɛ nea ɛto so abien. Inorganic filler yɛ papa sɛ wode calcium silicate bedi dwuma, na barium sulfate, dɔte, ne nea ɛkeka ho di akyi.Ɛnsɛ sɛ wɔde hydrophilic agents no nyinaa di dwuma. Afei nso ɛnsɛ sɛ wɔde sulfur vulcanization di dwuma. Mpɛn pii no, ɛsɛ sɛ wɔhyɛ rɔba a ɛyɛ hyew a ɛko tia nsu a ɛyɛ adwuma yiye no nsow bere a wɔreyɛ ho adwuma no.

VII. Nitrile rɔba .

Nsu a wɔko tia no ye: Bere a acrylonitrile a ɛwɔ mu no kɔ soro no, nsu a ɛko tia no mu yɛ den.

VIII. Silicone rɔba .

Hydrophobicity: Silicone rɔba no ani ahoɔden no sua sen organic nneɛma dodow no ara, enti, ɛwɔ nsuo a ɛkɔ fam, nsuo a ɛkɔ mu kyɛ, nsuo a ɛtwetwe nsuo no bɛyɛ 1% pɛ, honam fam ne mfiridwuma mu ahoɔden so tew, nsusuwso a ɛko tia no ye.

ix. fluorine rɔba .

Adwumayɛ a ɛyɛ den ma nsu a ɛyɛ hyew. Ɛwɔ hɔ a ɛyɛ papa sɛ ɛbɛko atia ɔhyew a ano yɛ den.

Fluorine rɔba a ɛwɔ dwuma a nsu a ɛyɛ hyew gyina so no, ɛnyɛ sɛ egyina sɛnea rɔba a wɔannoa no ankasa te so nko, na mmom wɔde rɔba ade a ɛwɔ. Wɔ fluorine rɔba ho no, saa adwumayɛ yi gyina ne vulcanization nhyehyɛe no so titiriw. Peroxide vulcanization nhyehyɛe no ye sen amine, bisphenol AF type vulcanization nhyehyɛe. 26 Type fluoroelastomer a wɔde amine vulcanization nhyehyɛe rɔba di dwuma no yɛ bɔne sen rɔba a wɔayɛ no nyinaa te sɛ ethylene propylene rɔba, butyl rɔba. G-type fluorine rɔba a wɔde peroxide vulcanization nhyehyɛe di dwuma, cross-linked bonds a ɛwɔ vulcanized rɔba no mu sen amine, bisphenol AF type vulcanized rɔba cross-linked bonds to hydrolysis stability no ye.

X. Polyurethane .

Polyurethane mmerɛwyɛ a ɛda nsow no mu biako: hydrolysis a entumi nnyina yiye, titiriw wɔ ɔhyew a ɛkɔ soro kakra anaasɛ acid ne alkali media a ɛwɔ hɔ no mu ntɛmntɛm.

xi na ɔkyerɛwee. chlorine ether rɔba .

Homopolymerized chloroether rɔba ne nitrile rɔba no wɔ nsu a ɛko tia, chloroether rɔba nsu a ɛyɛ copolymerized no a ɛte saa ara wɔ nitrile rɔba ne acrylate rɔba ntam. Nneɛma a wɔde yɛ no nya nkɛntɛnso kɛse wɔ nsu a ɛko tia so, a PB3O4 rɔba nsu a ɛko tia no ye, a MGO nsu a ɛko tia no nye kɛse, ɛma vulcanization dodow no tu mpɔn betumi ama nsu a ɛko tia no atu mpɔn.

xii. Chlorossulfonated polyethylene rɔba .

Cross-linking chlorosulfonated polyethylene rɔba a ɛwɔ epoxy resin anaasɛ kɔbere monoxide bɛboro afã 20 betumi ama rɔba a ɛwɔ vulcanized no anya nsu pa. Filler a wɔde di dwuma de ka calcium carbonate, filler a ɛyɛ mmerɛw a wɔde gu barium sulfate, dɔte a ɛyɛ den ne carbon black a ɛpaapae a ɛyɛ hyew no ho no fata kɛse. Nea ɛka ho no, sɛnea ɛbɛyɛ a vulcanized rɔba no benya nsu pa a ɛko tia no, vulcanization a ɛbɛn no ho hia yiye.

Sɛnea ɛbɛyɛ a wɔde wɔn ho bɛhyɛ nsu mu anaasɛ bere tiaa bi mu no, mpɛn pii no barium oxide a ɛwɔ hɔ sɛ vulcanizing agent, te sɛ nea ɛwɔ chlorosulfonated polyethylene rɔba a silicone ngo bɛyɛ afã 5 wom mu no, afei wɔde cross-linked ne magnesium oxide vulcanization rɔba a ɛwɔ nsu no mu no nso sua koraa.

XIII. Acrylate rɔba .

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