Styrene Butadiene Block Copolymer Sbs 796e (1201E)

• CAS No.: 9003-55-8
• Formula: C36h42X2
• EINECS: 618-370-2
• Classification: Organic Analytical Reagents
• Grade: AR
• Specific Usage: For Tissue Medium Purpose, Pratical Use, Super Special Grade
• Model NO.: 9003-55-8
• Content: Standard
• Usage: Analytical Reagents, Teaching Reagents
• Source: Imported Reagents
• Habit Appellation: Chemical Medicine
• Application: Industry
• Property: Organic Reagent
• Transport Package: Bag
• Specification: 20kg/Bag
• Origin: Hebei
• HS Code: 4002191300

Product Description

By far the most widely used type of synthetic rubber, its consumption for all applications is four times that of polybutadiene, its nearest competitor, and 1.5 times that of all other elastomers combined. Its manufacture involves copolymerization of three parts butadiene with one part styrene. These materials are suspended in finely divided emulsion form in a large proportion of water, in the presence of a soap or detergent. Also present in small amounts are an initiator or catalyst which is usually a peroxide, and a chain-modifying agent such as dodecyl mercaptan.
Component of hot melt adhesives, sealants, asphalt and oil gels. Modifier for polymers, thermosets and general rubber compounding. Direct molded or extruded auto parts, sporting goods, footware and film.
SBS 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 SBS elastomer. "Cold" SBS is produced at a temperature of 5-10°C, and "hot" SBS at about 50°C

Styrene Butadiene Rubber Basic information

Description

Product Name:	Styrene Butadiene Rubber
Synonyms:	STYRENE COPOLYMERS;Styrene-butadiene rubber,oil-extended;Styrene-butadiene-styrene block copolymer;sd345(polymer);sd354;sks85;soilstabilizer661;solprene300
CAS:	9003-55-8
MF:	C36H42X2
MW:	474.72
EINECS:	618-370-2
Product Categories:	Styrene copolymers;Styrenes;Hydrophobic Polymers;Materials Science;Polymer Science;Styrene copolymers;Polymers;Dienes;Hydrophobic Polymers;Polymer Science;Block Copolymers;Materials Science
Mol File:	9003-55-8.mol

SBS is mainly used in rubber products, resin modifiers, adhesives and asphalt modifiers. In terms of rubber products, SBS molded products are mainly used in the shoemaking (sole) industry, and extruded products are mainly used in rubber hoses and tapes; As a resin modifier, a small amount of SBS blended with polypropylene (PP), polyethylene (PE) and polystyrene (PS) can significantly improve the low-temperature properties and impact strength of the products; SBS as adhesive has the characteristics of high solid content, fast drying and low temperature resistance; As a modifier of building asphalt and road asphalt, SBS can significantly improve the weatherability and load resistance of asphalt.