Trinseo Europe Gmbh

Styron Europe Gmbh

Sven Thiele

Michael Rössle

Daniel Heidenreich

Evemarie Hamann

Joachim Kiesekamp

Norbert Jantsch

Christian Doring

Silvia Valenti

Dominique Thielemann

Christian Döring

Christiane Berndt

Susanne Knoll

Sascha Rulhoff

Thomas Knispel

Thomas D Ruehmer

Anke Schmudde

Dieter Bellgardt

Nadine Schübel

Natja Park

Christiane Jacobi

Benjamin Gutschank

Jochen Boehm

Helgard Ebert

Michael RÖSSLE

The invention relates to the use of specific aminosilyl monomers in the manufacture of elastomeric polymers, especially rubber. The invention specifically relates to a process for preparing an elastomeric polymer, involving the copolymerization of the aminosilyl monomers, the elastomeric polymer thus obtained or obtainable, non-vulcanized and vulcanized polymer compositions comprising the elastomeric polymer, and articles comprising one or more components formed from the vulcanized polymer composition.

Use of specific aminosilyl monomers in the manufacture of rubber

The present invention relates to polymer blend that includes (a) 50 to 90 percent by weight of a first elastomeric polymer having a high molecular weight, (b) 5 to 50 percent by weight, preferably 5 to 40 percent by weight, more preferably 10 to 35 percent by weight, of a second elastomeric polymer having a low molecular weight and being coupled, wherein the amounts of the components (a) and (b) are based on the total weight of the polymer blend.

Rubber composition

Novel polymerizable multivinylaminosilanes which are useful as branching agents for synthetic and natural rubber are described. The compounds can be used in the polymerization of conjugated diene monomers, optionally together with aromatic vinyl monomers, thus producing polymers, which can favorably be used in rubber articles such as tires.

Multivinylaminosilanes as branching agents for functionalized elastomeric polymers

The present invention relates to a process for preparing a branched elastomeric polymer by polymerization of a conjugated diene in the presence of a specific branching agent and a specific stabilizing compound. The branched elastomeric polymer exhibits improved storage stability, as reflected by a constant, or less variable, polymer viscosity over time and with reduced temperature dependence.

Silane-mediated enhancement of rubber storage stability

The present invention relates to novel aminosilane-functionalized diene compounds of the following Formula I: wherein The diene compounds are useful as modifying monomers in the polymerization of conjugated diene monomers.

Aminosilane-functionalized dienes for use in functionalization of elastomeric polymers

A 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 of an extender oil, wherein the amounts of the components (a), (b) and (c) are based on the total weight of the polymer blend.

Functionalized polymer blend for a tire

The invention relates to an elastomeric polymer composition and its preparation. The polymer composition includes, in combination, a single terminally modified conjugated diene (co)polymer and a dual terminally modified conjugated diene (co)polymer. The polymer composition is useful in the preparation of a vulcanized and, thus, crosslinked elastomeric composition having relatively low hysteresis loss, good grip and low heat build-up properties.

Functionalized elastomeric polymer compositions, their preparation methods and crosslinked rubber compositions thereof

The invention describes a process for producing a diene polymer, the process including the following steps in this order i) polymerizing one or more diene monomers in the presence of a catalyst composition to give a reaction mixture; ii) adding to the reaction mixture one or more alkoxysilane compounds; iii) adding SCl, SCl, SOCl, SBr, SOBror a mixture thereof to the reaction mixture; and iv) optionally adding a protic agent to the reaction mixture so as to deactivate the catalyst. The invention further includes polymers that are obtainable according to this process, as well as products including the polymer.

Process for producing diene polymers

The present invention relates to novel vinylsilane compounds which are useful as modifying monomers in the polymerization of conjugated diene monomers, optionally together with aromatic vinyl monomers, thus producing polymers, specifically elastomeric polymers, which can favorably be used in rubber articles such as tires.

Vinylsilanes for use in functionalized elastomeric polymers

The present invention relates to a modified elastomeric polymer obtained by reacting a living anionic elastomeric polymer and specific chain end modifying compound, wherein the living anionic elastomeric polymer comprises more than 70% and less than 99% by weight of butadiene units and more than 1% and less than 30% by weight of styrene units and has a vinyl bond content of from 2 to less than 10%, based on the polybutadiene fraction of the living anionic elastomeric polymer. The invention further relates to a method of preparing the modified elastomeric polymer and to an elastomeric polymer composition comprising the modified elastomeric polymer.

Low vinyl bond modified elastomeric copolymers

The invention related to novel compounds useful as modifying monomers and precursors for polymerization initiators. The invention further relates to a method of making the polymerization initiators and resulting polymers. The invention also relates to polymer compositions comprising the polymer of the invention and further components such as extender oils, fillers, vulcanizing agents etc., and to corresponding vulcanized polymer compositions and articles comprising vulcanized parts made from the vulcanized polymer composition. 

Aminosilyl-substituted diarylethene compounds for anionic polymerisation

The invention describes a process for producing a diene polymer, the process comprising the following steps in this order: i) polymerizing one or more diene monomers in the presence of a catalyst composition to give a reaction mixture; ii) adding to the reaction mixture one or more alkoxysilane compounds; iii) adding SCl, SCl, SOCl, SBr, SOBror a mixture thereof to the reaction mixture; and iv) optionally adding a protic agent to the reaction mixture so as to deactivate the catalyst. The invention further includes polymers that are obtainable according to this process, as well as products including the polymer.

A process for the continuous preparation of modified elastomeric polymers includes (i) providing and polymerizing at least one conjugated diene monomer and, optionally, one or more aromatic vinyl monomer in the presence of an anionic initiator and a compound according to Formula 1, e.g. 2,2-di-(2-oxolanyl)propane or a derivative thereof, to provide a living anionic polymer; and (ii) adding a 'sulfanylsilane' compound to the living anionic polymer. Elastomeric polymers obtainable according to the above process and compositions including the elastomeric polymer and, optionally, further constituents such as oil, filler and/or vulcanizing agent are described. A process for the preparation of a cross-linked elastomeric polymer that includes adding a vulcanizing agent to the elastomeric polymer, as well as articles and compositions that include the elastomeric polymer, the cross-linked elastomeric polymer or both are described.

Modified polymer compositions

The present invention relates to silane sulfide modifier compounds and methods of making them. The invention also relates to a silane sulfide modified macromolecular compound obtainable by reacting a living anionic elastomeric polymer and a silane sulfide modifier. The silane sulfide modified macromolecular compound may be provided in the form of a polymer composition, and the polymer composition may be vulcanized (cross-linked) by making use of and reaction with at least one vulcanization agent, resulting in a vulcanized polymer composition.

Silane sulfide modified elastomeric polymers

Modified macromolecular compounds obtainable by using specific amino silane polymerization initiator compounds and optionally chain end-modifying compounds are described. Polymer compositions including such modified macromolecular compounds and the use of such compositions in the preparation of vulcanized (crosslinked) elastomeric polymer compositions and articles are described.

Growing community of inventors

Halle, Germany

Sven Thiele