Dab tsi yog Neoprene Sponge

Cov tsos yog dawb dawb, beige lossis lub teeb xim av flakes lossis cov nplais. Nws yog elastomer tsim los ntawm α-polymerization ntawm chloroprene (piv txwv li 2-chloro-1,3-butadiene) ua cov khoom siv tseem ceeb. Qhov kev daws teeb meem ntawm chloroprene roj hmab suav rau δ=9.2 ～ 9.41. Soluble hauv toluene, xylene, dichloroethane, trivanadium ethylene, me ntsis soluble hauv acetone, methyl ethyl ketone, ethyl acetate, cyclohexane, insoluble hauv n-hexane, hnyav roj, tab sis soluble hauv cov kuab tshuaj zoo thiab sib piv kom haum Cov kuab tshuaj tsis zoo thiab tsis muaj kuab tshuaj los yog cov kuab tshuaj sib xyaw ua ke ntawm cov kuab tshuaj tsis zoo thiab cov kuab tshuaj tsis tuaj yeem tab sis tsis yaj hauv cov roj zaub thiab cov ntxhia roj.

Nws muaj lub cev zoo thiab cov yam ntxwv zoo, tiv taus roj, tiv taus cua sov, tiv taus nplaim hluav taws, tiv tshav ntuj, tiv thaiv ozone tsis kam, kua qaub thiab alkali tsis kam, thiab tshuaj lom neeg ua haujlwm. Qhov tsis zoo yog qhov tsis txias txias thiab kev cia ruaj khov. Nws muaj lub zog tensile siab, elongation, thim rov qab crystallinity, thiab adhesion zoo. Tiv taus kev laus thiab cua sov. Cov roj thiab tshuaj lom neeg zoo heev. Huab cua tsis kam thiab ozone kev laus tiv taus yog thib ob rau ethylene propylene roj hmab thiab butyl roj hmab. Kev tiv thaiv tshav kub yog sib npaug ntawm cov roj hmab nitrile, qhov kub ua kom sov yog 230 ～ 260 ℃, kev tiv thaiv luv luv yog 120 ～ 150 ℃, thiab nws tuaj yeem siv tau ntev ntawm 80 ～ 100 ℃, thiab nws muaj qee yam nplaim hluav taws. Roj tsis kam yog qhov thib ob tsuas yog rau cov roj hmab nitrile. Ua haujlwm zoo rau inorganic acid thiab alkali corrosion.