Neoprene (CR) chu ch2= ccl -ch{{2}ch2 ({{4}chloro{{5}, 3-butadiene) emaw, chloroprene siamna atana raw material pawimawh tak nena an copolymers emaw polymerization a ni a, chu chu acetylene{8}various polyploroprene chi hrang hrang polychloroprene chu a ni. Polymerization.Polymerization kalphung chu non-crosslinked leh non-branched polymers (sa tia sawi thin -polymers an tih).neoprene chi hrang hrang tam tak siam chhuah theih turin a structure leh a nihna azirin chi hnih ah then theih a ni:
1. A chi khatna chu composition-a sulfur free polymer a ni a, synthesis-a regulator pawimawh tak hman chu mercaptan a ni a;
2. A chi hnihna chu molecular chain-a sulfur awmna chloroprene rubber a ni a, chu chu polysulfur bridge angin a awm a ni.A siamtu thil siamna atana hman thin regulators te chu sulfur emaw sulfur emaw mercaptan hmanga siam. neoprene molecular weight average chu 100 a ni a, 000 ~ 2000, {{6chlorope, { Unsaturation, a la nei reng a, chemical stability sang tak a la nei a, tarna chi hrang hrang laka inven theihna a la nei bawk.Hei hi a chhan chu double bond-a carbon atom-a electronegative chlorine atom-te hian PI electron layer-te an attract a, chu chuan double bond-a electron density a tihhniam avangin double bond.chu chlorine atom ngei pawh chuan a activity a hloh a, reactivity{{9} a hloh a ni{{9}
A rilru a buai em em a, a rilru a hah em em bawk a, a rilru a buai em em bawk a, a rilru a hah em em bawk a, a rilru a hah em em bawk a, a rilru a hah em em bawk a. 1200 ~ 1240kg/m{2}Glass transition temperature: - 40℃.crystalline phase melting temperature: 40 ~ 65℃.
Polychloroprene-a chlorine awm hian kangnun theih loh a siam a, chutih laiin polymer polarity chuan fatty hydrocarbon swelling lakah a do thei a, metals-ah a adhesive sang hle.
He thil hmuhchhuah tan tirh lamah chuan oil-resistant artificial rubber-ah siam a ni a, chu chuan raw rubber. a thlak a, neoprene chu tunlai hian hman a la ni reng a ni. Engti kawng pawhin, neoprene physical combination danglam tak chu industry pumpuiah hman a ni tawh a, chung zingah chuan mi tam takin an hre tawh.
CR thiltihtheihna chu polymer microstructure-ah a innghat a, a processing property-te chu polymer molecular weight leh distribution-ah a innghat a, branched chains leh crosslinks awm zat leh a darh zau danah a innghat a, a chemical property-te chu carbon atoms phase edge-a chlorine atom-te nghawng dan a innghat a ni.Cr is homopolymer of chloroprene. a ni a, a rilru a hah lutuk a, a rilru a hah lutuk a, a rilru a buai em em bawk a. Polymer.Cr adhesive type hman tak tak a nih avangin polymerization aia 20 degree-a a awm avangin a crystallinity sang.
Thil pawimawh tak tak performance .
Resistance limit, high temperature hot - neoprene has a practical, continuous application range of 80 ~ 95℃, in this range, it shows good physical characteristics between the exhaust, special formula can reach 120℃, he limit aia tam hian neoprene a ti nem lo emaw, a hmin thei lo emaw a ni thei a, mahse elasticity 25-a 25 degree-a 25 degree-a 25 degree-a 25 degree-a 25 degree-a 25 degree-a 25 degree-a 25 degree-a inthlak danglamna a awm chuan a hniam emaw, a hloh thei emaw a ni thei. Temperature, a brittle temperature, 40℃(-) a harh hmain special formula chuan zero aia hniam 55℃zero 55℃hman a tiam.
Wax, fats, oils, lubricants leh petroleum property chi hrang hrang laka invenna mak tak tak.
Alkali laka invenna tha tak, mineral acid dilute leh inorganic salt solution.
Ozone leh weather performance tha tak nei formulation tha tak.
Tuiah a inhnim pil thei tih a chiang a, hun rei tak chhung lei hnuaiah a phum thei bawk.
bending, twisting leh compression laka invenna tha tak.
Hman pawimawh .
Neoprene thil siama siamte chu: wire leh cable outer layer, industrial gaskets, rubber hose, belt, fabric, gap filling agent, axles, foam products, adhesives, coatings, industrial/agricultural use, automotive, pressure/molding products chi hrang hrang, chi hrang hrang, paper, paper, packaging, construction, construction, construction te nena siam a ni.