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Polychloroprene

Polychloroprene structure

CAS No:
9010-98-4
Formula:
(C4H5Cl)x
Chemical Name:
Polychloroprene
Synonyms:
1,3-Butadiene,2-chloro-,homopolymer;1,3-Butadiene,2-chloro-,polymers;Polychloroprene;Poly(2-chloro-1,3-butadiene);Poly(2-chlorobutadiene);Chloroprene polymer;2-Chloro-1,3-butadiene polymer;Plastifix PC;Chlorobutadiene polymer;1,4-cis Poly(chloropene);trans-1,4-Polychloroprene;Vulkolep RS 3;Politrans 1219;Denkalac M 30;FS 651;Bostik 1410;Chloroprene homopolymer;Hibon 5300;Dispercoll C 200A;LCR-H 050;Convulfix;Telcopren 3.003;Dispercoll C-VPLS 2325;Dispercoll C-VPLS 2372H;Telcopren 3003;Neobond R;Dispercoll C-XP 2694;Neolon 2G;Dispercoll C-VPLS 2372/1;2-Chloro-1,3-butadiene homopolymer;Dispercoll C 2325;28430-71-9;129541-83-9;2055836-56-9
Categories:
Catalyst and Auxiliary > Polymer

Description

Polychloroprene has an appearance of milky white, beige or light brown flakes or blocks, with a molecular weight of 88.5355 and a density of 1.23 g/mL (at 25 °C). Polychloroprene is soluble in toluene, xylene, chloroform, and ethylene dichloride, slightly soluble in acetone, butanone, ethyl acetate, and cyclohexane, and insoluble in n-hexane and solvent gasoline. Polychloroprene has good physical, chemical, and mechanical properties. Compared with natural rubber, it has a high density, is resistant to water and hydrocarbon solvents, has low permeability to many gases, has good degradation properties to oxygen, ozone, hydrogen chloride, hydrogen fluoride and other chemicals, has a certain degree of flame retardancy, and a decomposition temperature of 230-260 °C. It can be used for a long time at 80-100 °C.

Polychloroprene Basic Attributes

Molecular Weight：

88.534

Exact Mass：

88.00800

EC Number：

204-818-0

HScode：

4002491000

Characteristics

PSA：

XLogP3：

2.2

Appearance：

White to beige chunks

Density：

1.23 g/cm³

Melting Point：

>260 °C

Boiling Point：

139°F

Flash Point：

-4°F

Water Solubility：

Slight

Storage Conditions：

-196°C

Vapor Pressure：

kPa at 20°C: 23.2

Vapor Density：

(air = 1): 3.1

Flammability characteristics：

Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.

Explosive limit：

vol% in air: 1.90

Safety Information

Packing level：

Hazard category：

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

45-11-20/22-36/37/38-48/20

safety instructions：

24/25

RTECS Number：

EI9640000

Marks：

F, T

Storage features：

Fireproof. Separated from food and feedstuffs and incompatible materials. See Chemical Dangers. Cool. Keep in the dark. Well closed. Store only if stabilized. Store in an area without drain or sewer access.

Stability/Shelf Life：

POLYMERIZES ON STANDING

Precautionary statement(s)：

P201, P202, P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P280, P281, P301+P312, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P308+P313, P312, P314, P321, P330, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, P501

Hazard Statements：

H225

Polychloroprene Use and Manufacturing

Methods of Manufacturing

Synthetic rubber obtained by emulsion free radical polymerization of chloroprene is mostly produced by batch polymerization. Sulfur-thiuram or thiol is used as molecular weight regulator, the polymerization temperature is 40-600℃, and the conversion rate is about 90%.

Uses

Polychloroprene is a (Solid) Mechanical rubber products, lining oil-loading hose and reaction equipment, adhesive cement, binder for rocket fuels, coatings for electric wiring, gaskets and seals. (Liquid) Specialty items made by dipping or electrophoresis from the latex. (Foam) Adhesive tape to replace metal fasteners for automotive accessories, seat cushions, carpet backing, sealant.

Material

Calcium carbide

Hydrochloric acid

Downstream Products

Tetrahydrofuran

Price Analysis

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Guide of Polychloroprene

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Material
Downstream Products
Price Analysis
Recommended Suppliers
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Polychloroprene

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