Ngwakọta nke roba bụ ịgbasasị ogige dị iche iche evenly na roba na enyemaka nke n'ibu ike nke roba eme igwe, nke mere na-etolite a multi-phase colloidal dispersion usoro na roba dị ka ọkara ma ọ bụ ngwakọta nke roba na ụfọdụ dakọtara akụrụngwa ( kenha gị n'ụlọnga, ndị ọzọ polymers) dị ka ọkara, na ekwekọghị kenha mmadụ (dị ka ntụ ntụ fillers, zinc oxide, wdg). usoro. The kpọmkwem teknuzu chọrọ nke compounding usoro bụ: edo dispersal nke compounding gị n'ụlọnga, nke mere na kasị mma mgbasa nke compounding gị n'ụlọnga, karịsịa ndị na-agba ume compounding gị n'ụlọnga dị ka carbon ojii, na-enweta iji hụ na-agbanwe agbanwe arụmọrụ nke roba. A na-akpọ rọba a na-esi na ya pụta 'compounding rubber' na àgwà ya nwere mmetụta dị mkpa na nhazi ọzọ na àgwà ngwaahịa.

1-Ngwakọta nke neoprene

        Neoprene bụ emulsion polymerization usoro nke mmepụta, mmepụta usoro bụ ukwuu n'ime otu kettle intermittent polymerization. Polymerization okpomọkụ na-akasị achịkwa na 40-60 ℃, na ntughari ọnụego bụ banyere 90%. Okpomọkụ polymerization, ọnụọgụ ntụgharị ikpeazụ dị oke elu ma ọ bụ usoro polymerization n'ime ikuku ga-eduga n'ọdịda nke ngwaahịa ngwaahịa. A na-ahazi oke mkpụrụ ndụ ihe nketa site na sistemu sulfur-kiuram (tetraalkylmethylaminothiocarbonyldisulfide) na mmepụta. Isi ihe na-adịghị mma nke usoro sulfur-kiuram bụ enweghị nkwụsi ike nke njikọ sulfur, nke bụ otu n'ime ihe ndị dị mkpa maka nchekwa nchekwa. Ọ bụrụ na ejiri thiol mee ka ihe dị n'akụkụ molekụla ahụ gbanwee nwere ike imeziwanye arụmọrụ a. Neoprene dị iche na roba synthetic izugbe, ọ naghị eji sọlfọ vulcanization, ma na zinc oxide, magnesium oxide, wdg vulcanization.

Ọrụ nhazi nke neoprene na-adabere na omume viscoelastic nke roba na-adịghị ahụ anya, na omume viscoelastic ya metụtara ụdị neoprene dị iche iche na okpomọkụ. Dị ka ngwakọta a na-emekarị na steeti na-agbanwe ka ọ na-eji ike nke na-emepụta ihe na-agbanwe agbanwe nke rọba iji mee ka onye na-eme ihe na-agbasa nke ọma. Ya mere, iji zere mmetụta nke okpomọkụ dị elu mgbe ị na-agwakọta neoprene, a ga-agbakwunye ihe nkpuchi ahụ ozugbo enwere ike iji nweta ogo nke ngwakọta na steeti na-agbanwe. Mgbe ị na-agwakọta na-emeghe refiner, G-ụdị neoprene na-enwe mmetụta nke mgbanwe okpomọkụ, na mpịakọta okpomọkụ karịa 70 ℃, ọ ga-abụ kpọrọ nnyapade na-apụta, na ọ bụ na a viscous eruba ọnọdụ, na filler adịghị mfe achụsasị. Mgbe ị na-agwakọta ya na onye na-anụcha ihe dị ukwuu, a ga-ebelata ikike ya nke ọma, ihe nchịkọta n'ozuzu nke 0.6 kwesịrị ekwesị, na-ekewa n'ozuzu ya na ngwakọta abụọ, iji belata okpomọkụ ngwakọta. Okpomọkụ nke mgbapụta kwesịrị ịdị ala karịa 100 ℃.

Neoprene na ojiji nke na-emeghe igwe Ịgwakọta mwepu bụ okpomọkụ bụ nnukwu, mfe ịrapara rollers, mfe scorch, na gị n'ụlọnga dispersion bụ ngwa ngwa, otú agwakọta okpomọkụ ekwesịghị ịdị elu nke ukwuu, ikike kwesịrị ịbụ obere, na ala ọsọ ruru ekwesịghị ịbụ nnukwu. N'ihi na ike uche na okpomọkụ, izugbe-nzube neoprene na ụlọ okpomọkụ na 71 ℃, ọ ga-egosi na ọka ala, n'oge a na cohesion nke raw roba na-ebelata, ọ bụghị naanị oké nnyapade rollers, na gị n'ụlọnga dispersion ga-abụ nnọọ ike. Ọnọdụ na-agbanwe ọnọdụ okpomọkụ nke neoprene na-abụghị sọlfọ na-achịkwa dị n'okpuru 79 ℃, yabụ arụmọrụ usoro ngwakọta dị mma karịa usoro sọlfọ na-achịkwa, na ọdịdị nke rollers na-egbuke egbuke na ọkụ dị obere. Iji igwe mepere emepe na-agwakọta ọnụ, iji zere ndị na-agbagharị agbagharị, a na-achịkwa okpomọkụ mpịakọta ahụ na 40 ~ 50 ℃ ma ọ bụ obere (mpịakọta n'ihu bụ 5 ~ 10 ℃ dị ala karịa okpomọkụ mpịakọta azụ), na na ntụ ọka roba raw, a ga-eji nwayọọ nwayọọ gbanwee ebe mpịakọta site na nnukwu ruo obere. Mgbe ị na-agwakọta, buru ụzọ tinye magnesium oxide nke na-amịkọrọ acid ka ọ ghara ikpo ọkụ, ma mesịa tinye zinc oxide. Iji belata ikpokọta ọkụ, enwere ike ịgbakwunye oji carbon na ihe nro mmiri n'ime batches ọzọ. Stearic acid na paraffin wax na ihe enyemaka ndị ọzọ na-arụ ọrụ nwere ike iji nke nta nke nta gbakwunye ya, iji nyere aka gbasaa, kamakwa iji gbochie rollers na-arapara. Sulfur regulated chloroprene roba n'ime oghere ịgwakọta oge bụ n'ozuzu 30% ka 50% ogologo oge karịa eke roba, na-abụghị sọlfọ-achịkwa Ịgwakọta oge nwere ike ịbụ banyere 20% mkpumkpu karịa sọlfọ-achịkwa. Iji zere neoprene na igwe ngwakọta na oghere nke okpomọkụ na-ebili ngwa ngwa, ọsọ ọsọ na-erughị 1: 1.2 n'okpuru, mmetụta dị jụụ ga-adị mma. Mbelata ikike nnụcha bụkwa ụzọ iji hụ na nchekwa ọrụ yana mgbasa ozi ọma. Ka ọ dị ugbu a, ikike nchacha nke neoprene roba na-edozi sọlfọ ụlọ karịa roba eke kwesịrị ịbụ ihe na-erughị 20% ruo 30%, iji rụọ ọrụ nke ọma. Dị ka neoprene dị mfe ọkụ, n'ihi ya, n'iji nnukwu igwe na-edozi igwe na-ejikọta ya, a na-ejikarị ụzọ abụọ agwakọta. Okpomọkụ agwakọta kwesịrị ịdị ala (a na-achịkwa okpomọkụ n'ozuzu n'okpuru 100 ℃), ikike ntinye dị ala karịa nke roba eke (a na-ewerekarị ihe ikike dị ka 0.50 ~ 0.55), na zinc oxide na-agbakwunye na pịa na ngalaba ngwakọta nke abụọ. N'ihi na nsogbu na chloroprene roba Ịgwakọta dị mfe ọkụ na-esi ike achụsasịa, Leena refiner nakweere ndị kasị elu anọ mgbanaka okpukpu abụọ rotor na-agba ọsọ n'otu ụzọ, jikọtara na 'X' curve ije nke n'elu bolt na refiner, na ezi mgbasa mmetụta na obere oge, nke nwere ike n'ụzọ dị irè ibelata na-ekpo ọkụ onu na chloroprene usoro.

2 - Ngwakọta nke ethylene propylene roba

       Ethylene propylene roba nwekwara ike esichara site nkịtị roba refining ngwá, ma n'ihi na plasticizing mmetụta nke ethylene propylene roba bụ karịsịa ogbenye, enweghị viscosity, roba adịghị mfe kechie mpịakọta, n'ozuzu mbụ na-eji a warara mpịakọta pitch, na-etolite a na-aga n'ihu mpempe akwụkwọ wee gbasaa mpịakọta pitch maka ịgwakọta nhazi. Mpịakọta okpomọkụ maka n'ihu mpịakọta 50 ~ 60 ℃, mgbe mpịakọta 60 ~ 70 ℃ kwesịrị ekwesị. Usoro nri rubber EPDM bụ n'ozuzu: mpịakọta mkpuchi roba raw-1/2 carbon black-1/2 carbon black-stearic acid-zinc oxide (ma ọ bụ magnesium oxide) -promoter-crosslinker -Thin pass, obere mpempe akwụkwọ. Ethylene propylene roba anaghị adị mfe ka a nụchaa mgbe ọ na-agwakọta ya, a na-agbasasịkwa ogige ahụ nke ọma, ma ihe onwunwe na-ejide onwe ya adịghị mma. Ethylene-propylene roba na-agwakọta ya na onye na-emepe emepe, na-ebu ụzọ jiri obere oge mpịakọta mee ka ọ na-aga n'ihu mgbe mpịakọta ahụ gasịrị, wee jiri nwayọọ nwayọọ mee ka oge mpịakọta ahụ dị jụụ, gbakwunye ngwakọta ahụ, mpịakọta mpịakọta n'etiti 60 ~ 70 ℃. The agwakọta okpomọkụ bụ 150 ℃ 160 ℃, nke nwere ike inyere dispersion nke filler na softener na mma nke n'ibu Njirimara. The loading ike nwere ike ịbụ 10% ~ 15% elu karịa ndị ọzọ roba ihe.

3- Ngwakọta nke fluoroelastomer

      Fluorine rubber Menny viscosity dị elu, nke siri ike, ọgbọ okpomọkụ na-ese okwu, ngwakọta n'ozuzu na nhazi na-esi ike karị. Mgbe ị na-agwakọta roba fluorine na igwe nnụcha, na obere mpịakọta mpịakọta, obere ikike, njikwa okpomọkụ mpịakọta na 50 ~ 60 ℃. Ịgwakọta na-amalite, buru ụzọ mee ka rollers dị jụụ, gbakwunye raw rubber thin pass about 10 times to form a uniform package roll rubber, mezie oge mpịakọta iji nọgide na-enwe obere ego nke rọba stacked, wee gbakwunye onye na-emepụta ihe, oge ịgwakọta oge anaghị akọwacha ya nke ọma, ma na-achọ ngwa ngwa dị ka o kwere mee. Fluorine rọba siri ike iji igwe na-agwakọta agwakọta, mana ụdị igwe na-eme ka igwe na-eme ka igwe dị jụụ siri ike, ị nwere ike ịgwakọta roba fluorine. A ga-adọba rọba ahụ jikọtara ọnụ maka awa 24 tupu ejiri ya, a ga-emerịrị ya tupu ya ejiri ya mee ka ogige ahụ gbasasịa nke ọma ma mee ka mmiri na-edozi ahụ na njide onwe onye nke roba.