About 413 results
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https://drivepatents.com/patents/938637 · 24 Aug 2016
The present invention relates to novel polymerizable multivinylaminosilanes which are useful as branching agents for synthetic and natural rubber. The compounds of the invention can be used as such in the polymerization of conjugated diene monomers, option...
https://drivepatents.com/patents/938625 · 24 Aug 2016
The present invention relates to polymer blend, consisting of (a) 60-96 percent by weight of a high molecular weight elastomeric polymer, (b) 4-35 percent by weight of a low molecular weight aromatic hydrocarbon polymer, and optionally (c) 0-13 percent by ...
https://drivepatents.com/patents/938615 · 24 Aug 2016
The present invention relates to polymer blend, consisting of (a) 60-96 percent by weight of a high molecular weight first elastomeric polymer, (b) 4-35 percent by weight of a low molecular weight second polymer, and optionally (c) 0-13 percent by weight o...
https://drivepatents.com/patents/939176 · 17 Aug 2016
The present invention relates to end group functionalized polymers, wherein these have at the chain end a silane-containing carbinol group of the formula (I), wherein R1, R2 are identical or different and represent H, alkyl and aryl, R3, R4 are identical o...
https://drivepatents.com/patents/939614 · 3 Aug 2016
A rubber composition for tire inhibits increase in a Mooney viscosity and has satisfactory processability, abrasion resistance and mechanical strength. The rubber composition for tire comprises: 10 to 120 parts by mass of silica having a nitrogen adsorptio...
https://drivepatents.com/patents/940342 · 20 Jul 2016
The present invention provides a pneumatic tire having high productivity and achieving a balanced improvement in fuel economy, rubber strength, abrasion resistance, wet-grip performance, and handling stability. The present invention relates to a pneumatic ...
https://drivepatents.com/patents/940193 · 20 Jul 2016
The invention relates to an elastomeric polymer composition and its preparation. The polymer composition comprises in combination a single terminally modified conjugated diene (co)polymer and a dual terminally modified conjugated diene (co)polymer. The pol...
https://drivepatents.com/patents/940558 · 13 Jul 2016
The present invention is directed to a copolymer of 1,3-butadiene or isoprene and a monomer of formula I or formula II where R 1 is a covalent bond or C1 to C8 linear or branched alkanediyl; R 2 , R 3 , R 4 are independently C1 to C8 linear or branched alk...
https://drivepatents.com/patents/940953 · 6 Jul 2016
Agglomerated silica is obtained by mixing silica with a rosin resin to be agglomerated.
https://drivepatents.com/patents/940851 · 6 Jul 2016
The purpose of the present invention is to provide a rubber composition for a tire with which it is possible to produce a tire having excellent on-ice performance and excellent wear resistance, and a studless winter tire using the rubber composition. The r...