Butadiene Rubber (PBR)

Synthos manufactures low- and high- cis polybutadiene rubbers under the SYNTECA® brand

SYNTECA® Nd-BR and Ni-BR are used in the tire industry for tread and sidewall compounds, and in other industries for a range of elastomeric products such as conveyor belts and golf balls.

Synthos produces SYNTECA® Nd-BR with a cis content of approx. 97% under a Michelin license with a neodymium catalyst.  Due to its low glass transition temperature, low polydispersity level and linear structure it is used for tire compounds that provide excellent wear properties and low rolling resistance.

SYNTECA® Ni-BR has a cis content of approx. 96%. It is produced by a solution process using an organometallic nickel catalyst that produces a consistent, light coloured polymer that is particularly suitable for the manufacture of (U)HP tires.


Commercial Grades

Type Catalyst Antioxidant Mooney ML 1+4 @100 C⁰ Cis structure content (%) Solution viscosity (5% in Styrene @25 C⁰ (mPa.s)) Applications
SYNTECA® 44 Neodymium Non-staining 44 min. 96 - Tires, conveyor belts, hoses, technical rubber goods
SYNTECA® 44G Neodymium Non-staining 44 min. 96 - Golf balls
SYNTECA® 63 Neodymium Non-staining 63 min. 96 - Tires, conveyor belts, hoses, technical rubber goods
SYNTECA® 63G Neodymium Non-staining 63 min. 96 - Golf balls
SYNTECA® Ni45 Nickel Non-staining 45 min. 94 - Tires, technical rubber goods
SYNTECA® 50L Lithium Non-staining 50 38 - Tires, technical rubber goods
SYNTECA® 50LP Lithium Non-staining 50 38 180 Plastic modification
SYNTECA® 60LP Lithium Non-staining 65 38 250 Plastic modification
SYNTECA® 40LPS Lithium Non-staining 40 38 90 Plastic modification
SYNTECA® 35LPS Lithium Non-staining 35 38 40 Plastic modification

Technical and safety data sheets (TDS and SDS) are available on request, following the completion of the contact form.

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