Styrene Butadiene Rubber
- CAS No.
- 9003-55-8
- Chemical Name:
- Styrene Butadiene Rubber
- Synonyms
- sbs;SBR;STYRENE-BUTADIENE RUBBER;STYRENE/BUTADIENE COPOLYMER;dienols;ricon100;styrene-butadienepolymer;styrene-1,3-butadienecopolymer;Polymerized Styrene Butadiene Rubber;Styrene-butadiene rubber,oil-extended
- CBNumber:
- CB7476376
- Molecular Formula:
- C36H42X2
- Molecular Weight:
- 474.72
- MOL File:
- 9003-55-8.mol
- MSDS File:
- SDS
- Modify Date:
- 2024/7/2 17:04:23
| Density | 1.04 g/mL at 25 °C |
|---|---|
| refractive index | 1.57 |
| solubility | solvents with solubility parameters between 7.7 and 9.4: soluble |
| form | slab/chunk |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| LogP | 2.700 (est) |
| IARC | 3 (Vol. 19, Sup 7) 1987 |
| EPA Substance Registry System | Styrene 1,3-butadiene polymer (9003-55-8) |
Styrene Butadiene Rubber price More Price(4)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | 432490 | Polystyrene-block-polybutadiene-block-polystyrene styrene 30?wt. % | 9003-55-8 | 250G | ₹5461.2 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 432490 | Polystyrene-block-polybutadiene-block-polystyrene styrene 30?wt. % | 9003-55-8 | 1KG | ₹6537.9 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 430072 | Poly(styrene-co-butadiene) butadiene 4?wt. %, melt index 6?g/10 min (200°C/5kg) | 9003-55-8 | 1KG | ₹4795.48 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 182877 | Polystyrene-block-polybutadiene-block-polystyrene styrene 30?wt. %, average Mw ~140,000 by GPC, contains <0.5?wt. % antioxidant | 9003-55-8 | 250G | ₹5971.8 | 2022-06-14 | Buy |
Styrene Butadiene Rubber Chemical Properties,Uses,Production
Chemical Properties
solid or viscous liquid, depending upon the degree of polymerisation
Uses
Molded or extruded into toys, packaging, appliances, communication cassettes, dinnerware and serviceware.
Production Methods
SBR is prepared mainly by emulsion and solution polymerization in a free-radical process with a mercaptan, such as dodecylmercaptan, which is used as a chain-transfer agent to control molecular weight. In the emulsion process, a soapstabilized water emulsion of styrene and butadiene is polymerized in continuous reactors to form SBR elastomer. “Cold” SBR is produced at a temperature of 5–10°C, and “hot” SBR at about 50°C . Solution SBR is typically made in hydrocarbon solution with an n-butyllithium initiator. The major differences between emulsion and solution styrene–butadiene are in the linearity and molecular-weight distribution of the polymer chains. In nonpolar solvents, the tendency is to produce block copolymer, but random copolymers are formed in polar solvents. SBR can be vulcanized similar to natural rubber but generally requires less sulfur and is more accelerated because of its lowunsaturation.
Hazard
Questionable carcinogen.
Health Hazard
Styrene Butadiene Rubber is prepared in large quantities for tire treads and other, similar uses. The properties, molecular weight, and percentage of monomer can all be controlled in the polymerization process. Hazards of the SBR industry have been identified and related mostly to the monomers and additives. Contact dermatitis and leukemia have been associated with solvent and additive use but not with the actual polymer itself (Checkoway et al., 1984; Kilpikari, 1982). Epidemiological studies in the industry have not revealed a significant increase in disease or causes of death (Matanoski and Schwartz, 1987; Meinhardt et al., 1982). The hazards of the butadiene and styrene monomers were discussed previously.
Safety Profile
An eye irritant. Questionable carcinogen. When heated to decomposition it emits acrid smoke and irritating fumes. See also POLYMERS, INSOLUBLE.
Styrene Butadiene Rubber Preparation Products And Raw materials
Raw materials
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chevron_rightPreparation Products
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chevron_right| Supplier | Tel | Country | ProdList | Advantage | Inquiry |
|---|---|---|---|---|---|
| Reliance Industries Limited | +91-2235555000 +91-2235555000 | Maharashtra, India | 15 | 58 | Inquiry |
| Ganesh Polychem Impex | 08048372503Ext 488 | Haryana, India | 3 | 58 | Inquiry |
| Narula International | 07942552421 | Delhi, India | 2 | 58 | Inquiry |
| Triveni chemicals | 08048762458 | New Delhi, India | 6093 | 58 | Inquiry |
| Meet Marketing (I) Private Limited | 08048961115 | Ahmedabad, India | 2 | 58 | Inquiry |
| N SHASHIKANT & CO. | +91-8048077556 | Mumbai, India | 83 | 58 | Inquiry |
| Dharam Pal Aggarwal & Sons | 08048372813Ext 516 | Punjab, India | 1 | 58 | Inquiry |
| Chander Chemical Company | 08068970604Ext 234 | Punjab, India | 1 | 58 | Inquiry |
| Acme Rub Chem | 08048970299 | Mumbai, India | 7 | 58 | Inquiry |
| Mahavir Commercial Private Limited | 08048961728 | Mumbai, India | 2 | 58 | Inquiry |
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