chloroprene roj hmab CR232
Neoprene, tseem hu ua chloroprene roj hmab thiab Xinping roj hmab. Syntheticroj hmab ua los ntawm α-polymerization ntawm chloroprene (2- chloro -1,3- butadiene) yog siv dav hauv cov khoom siv huab cua, viscose soles, coatings thiab foob pob hluav taws roj.
Lub flake los yog thaiv nrog milky dawb, beige los yog lub teeb xim av tsos yog ib qho elastomer tsim los ntawm alpha polymerization ntawm chloroprene (ie 2- chloro -1,3- butadiene) ua cov khoom tseem ceeb. Solubility parameter ntawmchloroprene roj hmabtso nyiaj rau δ = 9.2 ~ 9.41. Soluble nyob rau hauv toluene, xylene, dichloroethane thiab vanadium ethylene, me ntsis soluble nyob rau hauv acetone, methyl ethyl ketone, ethyl acetate thiab cyclohexane, insoluble nyob rau hauv n-hexane thiab hnyav roj av, tab sis soluble nyob rau hauv sib tov hnyav muaj li ntawm zoo hnyav thiab phem hnyav thiab tsis-solvent. los yog cov kuab tshuaj phem thiab cov kuab tshuaj tsis zoo hauv kev faib ua feem, o hauv cov roj zaub thiab cov roj ntxhia, tab sis tsis yaj.
Cov khoom zoo ntawm lub cev thiab txhua yam, roj tsis kam, tiv thaiv tshav kub, nplaim taws, tshav ntuj tiv thaiv, ozone kuj, acid thiab alkali tsis kam thiab tshuaj reagent kuj. Disadvantages yog cov tsis zoo txias tsis kam thiab cia stability. Nws muaj lub zog tensile siab, elongation, thim rov qab crystallinity thiab zoo adhesion. Kev laus tsis kam thiab kub tsis kam. Zoo heev roj kuj thiab tshuaj corrosion kuj. Huab cua tsis kam thiab ozone aging kuj yog thib ob tsuas yog ethylene propylene roj hmab thiab butyl roj hmab. Lub tshav kub tsis kam yog sib npaug ntawm cov roj hmab nitrile, nrog rau qhov kub thiab txias ntawm 230 ~ 260 ℃, lub sij hawm luv luv ntawm 120 ~ 150 ℃, siv mus sij hawm ntev ntawm 80 ~ 100 ℃, thiab qee cov nplaim hluav taws. Roj kuj yog thib ob tsuas yog cov roj hmab nitrile. Zoo corrosion kuj rau inorganic acid thiab alkali. Tsis zoo txias tsis kam thiab tsis zoo hluav taws xob rwb thaiv tsev. Kev ruaj khov ntawm cov roj hmab nyoos tsis zoo, uas ua rau muaj qhov tshwm sim ntawm "self-sulfur". Lub Mooney viscosity nce thiab cov roj hmab nyoos hardens. Cov npe txawv teb chaws suav nrog AD-30 (USA), A-90 (Nyiv), 320 (Lub Tebchaws Yelemees) thiab MA40S (Fabkis).
CR122 chloroprene roj hmab: cov khoom siv roj hmab xws li cov khoom siv sib kis, kev siv tsheb thauj mus los, cov xov hlau thiab cov kab hluav taws xob, cov ntawv roj hmab uas tsis muaj roj, roj hmab hoses thiab cov ntaub ntawv sib khi.
CR122 chloroprene roj hmab: cov khoom siv roj hmab xws li cov khoom siv sib kis, kev siv tsheb thauj mus los, cov xov hlau thiab cov kab hluav taws xob, cov ntawv roj hmab uas tsis muaj roj, roj hmab hoses thiab cov ntaub ntawv sib khi.
TIAB SA 232 chloroprene roj hmab: cable sheath, roj-resistant roj hmab hose, roj hmab foob, nplaum, thiab lwm yam.
CR2441 2442 chloroprene roj hmab: raw khoom rau cov nplaum ntau lawm, siv rau kev sib txuas hlau, ntoo, roj hmab, tawv thiab lwm yam ntaub ntawv.
CR321 322 hom chloroprene roj hmab: cable, roj hmab board, hom thiab roj-resistant roj hmab hose, roj-resistant roj hmab khau, cua deflector, poncho, tsev pheebsuab ntaub, conveyor siv, conveyor siv, roj hmab foob, cua cushion ntawm kev ua liaj ua teb capsule, lifeboat, thiab lwm yam. Siv los ua tus neeg sawv cev toughening ntawm hloov kho acrylate ceev structural nplaum (SGA).
