Rɔba a wɔde frafra ne sɛ wɔbɛpete nneɛma ahorow pɛpɛɛpɛ wɔ rɔba mu denam mfiri ahoɔden a ɛwɔ afiri a wɔde yɛ rɔba mu mmoa so, sɛnea ɛbɛyɛ a wɔbɛyɛ multi-phase colloidal dispersion system a rɔba yɛ medium anaasɛ rɔba ne nneɛma bi a ɛne ne ho hyia (matching agent, polymers afoforo) afrafra sɛ medium, ne nneɛma a ɛne ne ho nhyia (te sɛ powder fillers, zinc oxide, . pigments, ne nea ɛkeka ho) sɛ dispersed phase. kwan. Mfiridwuma mu ahwehwɛde pɔtee a ɛwɔ aduru a wɔde yɛ ade no mu ne: aduru a wɔde afrafra no a wɔbɛpete pɛpɛɛpɛ, sɛnea ɛbɛyɛ a wobenya aduru a wɔde afrafra no apete yiye, titiriw ade a ɛhyɛ den te sɛ carbon black, na ama wɔahwɛ ahu sɛ rɔba no bɛyɛ adwuma bere nyinaa. Wɔfrɛ rɔba a ɛfiri mu ba no 'compounding rubber' na ne su wɔ nkɛntɛnsoɔ titire wɔ dwumadie a ɛkɔ so ne nneɛma a wɔyɛ no yiedie so.

1 - a wode neoprene afrafra

        Neoprene yɛ emulsion polymerization kwan a wɔfa so yɛ, adeyɛ kwan no yɛ dodow no ara kettle biako intermittent polymerization. Polymerization hyew dodow no ara na wɔhwɛ so wɔ 40-60 °C, na nsakrae dodow bɛyɛ 90%. Polymerization ɔhyew, awiei koraa no nsakrae dodow no yɛ kɛse dodo anaasɛ polymerization nhyehyɛe a ɛkɔ mframa mu bɛma nneɛma no su so atew. Sulfur-kiuram (tetraalkylmethylaminothiocarbonyldisulfide) nhyehyɛe a wɔde yɛ no na ɛhwɛ molecule dodow a ɛfa ho no so. Ade titiriw a enye wɔ sulfur-kiuram nhyehyɛe no ho ne sɛ sulfur nkitahodi ahorow no ntumi nnyina pintinn, na ɛno yɛ nneɛma atitiriw a ɛma nneɛma a wɔkora so no yɛ adwuma no mu biako. Sɛ wɔde thiol sesa molecule mass a ɛfa ho no a, ebetumi ama saa adwumayɛ yi atu mpɔn. Neoprene yɛ soronko wɔ rɔba a wɔayɛ no nyinaa ho, ɛnyɛ sulfur vulcanization nni dwuma, na mmom ɛne zinc oxide, magnesium oxide, ne nea ɛkeka ho vulcanization.

Sɛnea neoprene yɛ adwuma no gyina sɛnea rɔba a wɔanhyɛ no vulcanized no yɛ viscoelastic suban so, na ne viscoelastic suban no ne neoprene ahorow ne ɔhyew wɔ abusuabɔ. Sɛnea wɔtaa yɛ afrafra no wɔ elastic tebea no mu de di dwuma shear tumi a elastic tebea no rɔba no ma filler no apete yiye. Enti, sɛnea ɛbɛyɛ a wɔbɛkwati nkɛntɛnso a ɔhyew a ɛkɔ soro nya bere a wɔrefra neoprene no, ɛsɛ sɛ wɔde ade a wɔde hyɛ mu no ka ho ntɛm sɛnea ɛbɛyɛ yiye sɛnea ɛbɛyɛ a wobenya afrafra kodu baabi wɔ tebea a ɛyɛ den no mu. Sɛ wɔde fra refiner a wɔabue mu a, G-type neoprene no te nka wɔ ɔhyew nsakrae ho, na roll no hyew boro 70 °C, ɛbɛyɛ rolls a ɛyɛ nnam kɛse, na ɛwɔ viscous flow tebea mu, na filler no nyɛ mmerɛw sɛ wɔbɛpete. Sɛ wɔde dense refiner fra a, ɛsɛ sɛ wɔtew ne tumi so sɛnea ɛfata, general filling factor a ɛyɛ 0.6 no fata, mpɛn pii no wɔkyekyɛ mu abien frafra, sɛnea ɛbɛyɛ a wɔbɛtew afrafra no hyew so. Ɛsɛ sɛ ɔhyew a wɔde gu mu no sua sen 100 °C.

Neoprene wɔ dwumadie a wɔabue afiri afrafra mu ɔhaw ne ɔhyeɛ no yɛ kɛseɛ, ɛnyɛ den sɛ wobɛbata rollers no ho, ɛnyɛ den sɛ wobɛhyew, ne agent dispersion no yɛ brɛoo, enti ɛnsɛ sɛ mixing temperature no yɛ kɛseɛ dodo, ɛsɛ sɛ tumi no yɛ ketewa, roller ahoɔhare ratio ɛnsɛ sɛ ɛyɛ kɛseɛ. Esiane sɛ ɛyɛ den sɛ ɛbɛtena ɔhyew so nti, neoprene a wɔde di dwuma wɔ dan mu kodu 71 °C, ɛbɛkyerɛ aburow tebea, saa bere yi na rɔba a wɔannoa no nkabom ayɛ mmerɛw, ɛnyɛ sticky rollers a anibere wom nko, ne agent no apete nso bɛyɛ den yiye. Elastic tebea hyew a neoprene a ɛnyɛ sulfur-regulated no nnu 79 °C, enti afrafra nhyehyɛe no adwumayɛ ye sen sulfur-regulated, na su a ɛyɛ sticky rollers ne scorching no sua. Wɔde afiri a wɔabue mu a wɔde fra, sɛnea ɛbɛyɛ a wɔbɛkwati rollers a ɛyɛ nnam no, wɔtaa hwɛ roll temperature so wɔ 40 ~ 50 °C anaa nea ennu saa (anim roll no sua sen akyi roll temperature 5 ~ 10 °C), na wɔ raw rubber kneading mu no, ɛsɛ sɛ wɔde nkakrankakra sesa roll no kwan fi kɛse kɔ ketewa. Sɛ worefrafra a, di kan fa magnesium oxide a ɛtwe acid gu mu na amma anhyew, na awiei koraa no, fa zinc oxide gu mu. Sɛnea ɛbɛyɛ a wɔbɛtew ɔhyew a wɔde frafra mu no so no, wobetumi de carbon black ne nsu a ɛma nneɛma yɛ mmerɛw aka ho wɔ akuwakuw mu. Stearic acid ne paraffin wax ne nneɛma afoforo a wɔde boa oprehyɛn betumi apete nkakrankakra de aka ho, sɛnea ɛbɛyɛ a ɛbɛboa ma wɔapete, nanso wɔasiw rollers a ɛyɛ nnam nso ano. Chloroprene rɔba a wɔahyɛ no so wɔ opener afrafra bere mu no taa yɛ 30% kosi 50% tenten sen abɔde mu rɔba, bere a wɔde frafra a ɛnyɛ sulfur no betumi ayɛ tiaa bɛyɛ 20% asen nea wɔde sulfur ahyɛ so. Sɛnea ɛbɛyɛ a wɔbɛkwati neoprene wɔ afiri a wɔde frafra mu wɔ bue mu no ɔhyew no kɔ soro ntɛmntɛm dodo no, ahoɔhare ratio no nnu 1:1.2 ase no, onwini nkɛntɛnso no bɛyɛ papa. Nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma foforo a wɔbɛtew so nso yɛ ɔkwan a wɔbɛfa so ahwɛ ahu sɛ ahobammɔ wɔ adwumayɛ mu na wɔapete yiye. Mprempren, ɛsɛ sɛ neoprene rɔba a wɔde sulfur hwɛ so no tumi a wɔde tew ho sen abɔde mu rɔba no nnu 20% kosi 30%, sɛnea ɛbɛyɛ a ɛbɛyɛ adwuma sɛnea ɛsɛ. Sɛnea neoprene yɛ mmerɛw sɛ wɔbɛhyew no, saa ara na wɔ dense refining mfiri a wɔde di dwuma mu no, wɔtaa de afrafra di dwuma wɔ abien afrafra kwan so. Ɛsɛ sɛ ɔhyew a wɔde frafra no ba fam (wɔtaa hwɛ ɔhyew a wɔde gu mu no so wɔ fam sen 100 °C), adesoa tumi a ɛwɔ mu no sua sen abɔde mu rɔba (wɔtaa fa tumi factor sɛ 0.50 ~ 0.55), na wɔde zinc oxide ka press no ho wɔ ɔfã a ɛto so abien a wɔde frafra no mu. Wɔ ɔhaw a ɛne sɛ chloroprene rɔba a wɔde frafra no yɛ mmerɛw sɛ wɔbɛhyew na ɛyɛ den sɛ wɔbɛpete no, Leena refiner gye rotor abien a ɛkɔ anim sen biara a ɛwɔ nkaa anan a ɛtu mmirika wɔ ɔkwan koro no ara so, a ɛka ho ne 'X' curve movement a ɛwɔ soro bolt a ɛwɔ refiner no so, a ɛwɔ dispersion effect pa ne bere tiaa, a ebetumi atew scorching phenomenon a ɛwɔ chloroprene rubber mu wɔ afrafra nhyehyɛe no mu no so yiye.

2 - ethylene propylene rɔba a wɔde afrafra

       Ethylene propylene rɔba nso betumi ayɛ adwuma denam mfiri a wɔde tew rɔba a ɛyɛ mpapahwekwa so, nanso esiane sɛ plasticizing tumi a ethylene propylene rɔba nya no nyɛ papa titiriw nti, enni viscosity, rɔba nyɛ mmerɛw sɛ wɔbɛkyekyere nhoma mmobɔwee no, mpɛn pii no di kan de roll pitch teateaa di dwuma, de yɛ krataa a ɛkɔ so na afei trɛw roll pitch no mu ma afrafra processing. Roll temperature ma anim roll 50 ~ 60 °C, akyi roll 60 ~ 70 °C fata. EPDM rɔba aduan nhyehyɛe no taa yɛ: raw rɔba kataso roll-1/2 carbon tuntum-1/2 carbon tuntum-stearic acid-zinc oxide (anaa magnesium oxide)-promoter-crosslinker -Thin pass, ase krataa. Ɛnyɛ mmerɛw sɛ wɔbɛtew ethylene propylene rɔba mu dodo bere a wɔde frafra no, na aduru no petepete pɛpɛɛpɛ, nanso nea ɛde ne ho bata ho no nyɛ papa. Ethylene-propylene rɔba afrafra ne open refiner, mpɛn pii no di kan de roll moment ketewa bi di dwuma ma ɛkɔ so wɔ roll no akyi, na afei nkakrankakra ma roll moment no dwo, fa compound no ka ho, roll temperature no ntam 60 ~ 70 °C. Ɔhyew a wɔde frafra no yɛ 150～160 °C, a ebetumi aboa ma filler ne softener no apete na mfiridwuma mu nneɛma atu mpɔn. Adesoa tumi no betumi ayɛ 10% ~ 15% a ɛkorɔn sen rɔba nneɛma afoforo.

3- Fluoroelastomer a wɔde afrafra

      Fluorine rɔba Menny viscosity yɛ kɛse, rigid, frictional ɔhyew awo ntoatoaso, general afrafra ne processing yɛ den kɛse. Sɛ wofrafra fluorine rɔba wɔ refining afiri no so a, kɔ roll distance ketewa, tumi a ɛsua, roll temperature control wɔ 50 ~ 60 °C. Mixing fi ase, di kan ma rollers no nnwo, fa raw rubber thin pass bɛyɛ mpɛn 10 ma ɛyɛ uniform package roll rubber, sesa roll moment no ma ɛkura stacked rubber kakraa bi, na afei fa compounding agent no ka ho, afrafra bere no taa nyɛ katee, nanso ɛhwehwɛ ntɛmntɛm sɛnea ɛbɛyɛ yiye. Fluorine rɔba yɛ den kɛse sɛ wode bedi dwuma afrafra afiri afrafra, nanso meshing type afrafra afiri cooling nhyehyɛe no mu yɛ den, wubetumi afra fluorine rɔba. Ɛsɛ sɛ wɔde rɔba a wɔde afrafra no si hɔ nnɔnhwerew 24 ansa na wɔde adi dwuma, na ɛsɛ sɛ wɔyɛ no yiye ansa na wɔde adi dwuma na ama aduru no apete pɛpɛɛpɛ na ama rɔba no atumi ayɛ nsu na ɛbɛbata ne ho no atu mpɔn.