Chlorinated rubber
- CAS NO.：9006-03-5
- Empirical Formula: [C10H11Cl7]n
- Molecular Weight: 0
- MDL number: MFCD00677789
- Update Date: 2024-12-18 14:07:02
What is Chlorinated rubber?
Chemical properties
Chlorinated rubber is typically prepared by treating a solution of masticated natural rubber in chloroform or carbon tetrachloride with chlorine at 80-100°C until sampling indicates the product has a chlorine content of about 65%. During this time, hydrogen chloride is evolved. After the passage of chlorine has been stopped, the solution is refluxed until the evolution of hydrogen chloride ceases; this results in a product of good stability. The chlorinated rubber is then isolated by precipitation with methanol.
Definition
An elastomer (natural rubber or a polyolefin) to which 65% of chlorine has been added to give a solid, film-forming resin. White, amorphous powder available in viscosity grades from 5 to 125 c P, the figures indicating vis- cosity of a 20% solution in tol
Preparation
The reaction of natural rubber and chlorine is complex and possibly
involves the following sequence￡o
Hazard
Do not dry-mill chlorinated rubber with zinc oxide; mixture reacts violently at 216C. Do not use in baked enamels.
Properties of Chlorinated rubber
| Density | 1.43-1.50 |
| Flash point: | 135-140°C (dec.) |
| EPA Substance Registry System | Chlorinated rubber (9006-03-5) |
Safety information for Chlorinated rubber
Computed Descriptors for Chlorinated rubber
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