Styrene-Butadiene Copolymers, Process for the Preparation Thereof and High Cohesion Adhesive Compositions

The present patent of invention application refers to styrene-butadiene copolymers (SBR) that are prepared using aqueous emulsion polymerization technology and are intended for the adhesive and sealing industry, being particularly useful in the preparation of contact adhesives and pressure-sensitive adhesives (PSA) and widely applicable in the footwear and furniture industries. The use of this kind of elastomer in processes for preparing adhesives, having an aqueous or solvent base, provides high cohesion to adhesive compositions without compromising ou jeopardizing the adhesion. The present invention is also intended to protect the process for obtaining SBR copolymers, simultaneously comprising: aqueous emulsion polymerization at high temperatures, the use of a specific surfactant and the maintenance of the Mooney viscosity and the combined styrene content in the copolymer in high ranges. Another object of the present invention application is the protection of adhesive compositions that ...

Styrene-butadiene copolymers, process for the preparation thereof and high cohesion adhesive compositions

The present invention relates to styrene-butadiene copolymers (SBR) that are prepared using aqueous emulsion polymerization technology and are intended for the adhesive and sealing industry, being particularly useful in the preparation of contact adhesives and pressure-sensitive adhesives (PSA) and widely applicable in the footwear and furniture industries. The use of this kind of elastomer in processes for preparing adhesives, having an aqueous or solvent base, provides high cohesion to adhesive compositions without compromising or jeopardizing the adhesion. The present invention is also intended to protect the process for obtaining SBR copolymers, simultaneously comprising: aqueous emulsion polymerization at high temperatures, the use of a specific surfactant and the maintenance of the Mooney viscosity and the combined styrene content in the copolymer in high ranges. Another object of the present invention application is the protection of adhesive compositions that are obtained from SBR copolymers, either in solid or latex form.

OIL EXTENDED FUNCTIONALIZED STYRENE-BUTADIENE COPOLYMER

The present invention refers to an oil extended functionalized styrene-butadiene copolymer wherein the functionalized styrene-butadiene copolymer comprises 15 to 50 wt. %, based on 100 wt. % of the copolymer, of repeating units based on styrene, 42 to 80 wt. %, based on 100 wt. % of the copolymer, of repeating units based on butadiene, and 5 to 43 wt. %, based on 100 wt. % of the copolymer, of units based on at least one functional monomer and wherein at least one extender oil is based on vegetable oils, preferably epoxidized vegetable oil. 1. An oil extended functionalized styrene-butadiene copolymer comprising:functionalized styrene-butadiene copolymer comprising 15 to 50 wt. % of repeating units based on styrene, 42 to 80 wt. % of repeating units based on butadiene, and 5 to 43 wt. % of units based on at least one functional monomer; andat least one extender oil comprising a vegetable oil.2. The oil extended functionalized styrene-butadiene copolymer according to claim 1 , wherein the functionalized copolymer is a functionalized terpolymer comprising the functional monomer polymerized with the unit based on styrene and the units based on butadiene.3. The oil extended functionalized styrene-butadiene copolymer according to claim 2 , wherein the functionalized comprises 0.3 to 10 wt. % of the units based on the functional monomer.4. The oil extended functionalized styrene-butadiene copolymer according to claim 3 , wherein the functionalized copolymer has a Mooney viscosity (ML 1+4 at 100° C.) of 35 to 65 claim 3 , and an average molecular weight (Mw) of 100 claim 3 ,000 to 2 claim 3 ,200 claim 3 ,000.5. The oil extended functionalized styrene-butadiene copolymer according to claim 1 , wherein the functionalized copolymer comprises the functional monomer is grafted to the copolymer.6. The oil extended functionalized styrene-butadiene copolymer according to claim 1 , wherein the functional monomer comprises an acrylate based monomer.7. The oil extended functionalized ...

Oil extended functionalized styrene-butadiene copolymer

The present invention refers to an oil extended functionalized styrene-butadiene copolymer wherein the functionalized styrene-butadiene copolymer comprises 15 to 50 wt. %, based on 100 wt. % of the copolymer, of repeating units based on styrene, 42 to 80 wt. %, based on 100 wt. % of the copolymer, of repeating units based on butadiene, and 5 to 43 wt. %, based on 100 wt. % of the copolymer, of units based on at least one functional monomer and wherein at least one extender oil is based on vegetable oils, preferably epoxidized vegetable oil.

Oil extended functionalized styrene-butadiene copolymer

The present invention refers to an oil extended functionalized styrene-butadiene copolymer wherein the functionalized styrene-butadiene copolymer comprises 15 to 50 wt.%, based on 100 wt.% of the copolymer, of repeating units based on styrene, 42 to 80 wt.%, based on 100 wt.% of the copolymer, of repeating units based on butadiene, and 5 to 43 wt.%, based on 100 wt.% of the copolymer, of units based on at least one functional monomer and wherein at least one extender oil is based on vegetable oils.

Oil extended functionalized styrene-butadiene copolymer

The present invention refers to an oil extended functionalized styrene-butadiene copolymer wherein the functionalized styrene-butadiene copolymer comprises 1 to 50 wt.%, based on 100 wt.% of the copolymer, of repeating units based on styrene, 42 to 80 wt.%, based on 100 wt.% of the copolymer, of repeating units based on butadiene, and 5 to 43 wt.%, based on 100 wt.% of the copolymer, of units based on at least one functional monomer and wherein at least one extender oil is based on vegetable oils, preferably epoxidized vegetable oil.

oil-extended functionalized styrene-butadiene copolymer, process for producing oil-extended functionalized styrene-butadiene copolymer, rubber composition, and use of the rubber composition

COPOLÍMERO DE ESTIRENO-BUTADIENO FUNCIONALIZADO ESTENDIDO COM ÓLEO, PROCESSO PARA A PRODUÇÃO DE COPOLÍMERO DE ESTIRENO-BUTADIENO FUNCIONALIZADO ESTENDIDO COM ÓLEO, COMPOSIÇÃO DE BORRACHA, E, USO DA COMPOSIÇÃO DE BORRACHA A presente invenção se refere a um copolímero de estireno-butadieno funcionalizado estendido com óleo compreendendo 15 a 50 % em peso, com base em 100 % em peso do copolímero, de unidades de repetição a base de estireno, 42 a 80 % em peso, com base em 100 % em peso do copolímero, de unidades de repetição a base de butadieno e 5 a 43 % em peso, com base em 100 % em peso do copolímero, de unidades a base de, pelo menos, um monômero funcional e em que, pelo menos, um óleo de extensão é à base de óleos vegetais. STYLENE-BUTADIENE COPOLYMER EXTENDED WITH OIL, PROCESS FOR THE PRODUCTION OF OPERATED STYLENE-BUTADIENE COPOLYMER WITH OIL, RUBBER COMPOSITION, AND, USE OF THE RUBBER COMPOSITION of this invention refers to this functional reference. with oil comprising 15 to 50% by weight, based on 100% by weight of the copolymer, from styrene-based repeating units, 42 to 80% by weight, based on 100% by weight of the copolymer, from repeating units based on butadiene and 5 to 43% by weight, based on 100% by weight of the copolymer, of units based on at least one functional monomer and on which at least one extension oil is based on oils vegetables.

Oil-extended functionalized styrene-butadiene copolymer

Un copolímero de estireno-butadieno funcionalizado extendido con aceite en el que el copolímero de estirenobutadieno funcionalizado comprende del 15 al 50 % en peso, basado en el 100 % en peso del copolímero, de unidades de repetición a base de estireno, del 42 al 80 % en peso, basado en el 100 % en peso del copolímero, de unidades de repetición a base de butadieno, y del 5 al 43 % en peso basado en el 100 % en peso del copolímero, de unidades a base de al menos un monómero funcional y en el que el al menos un aceite extensor es a base de aceites vegetales. An oil-extended functionalized styrene-butadiene copolymer in which the functionalized styrenebutadiene copolymer comprises 15 to 50% by weight, based on 100% by weight of the copolymer, of styrene-based repeat units, from 42 to 80 % by weight, based on 100% by weight of the copolymer, of repeat units based on butadiene, and from 5 to 43% by weight based on 100% by weight of the copolymer, from units based on at least one monomer functional and in which the at least one extender oil is based on vegetable oils.

Oil extended functionalized styrene butadiene copolymer

Oil extended functionalized styrene-butadiene copolymer

The present invention refers to an oil extended functionalized styrene-butadiene copolymer wherein the functionalized styrene-butadiene copolymer comprises 15 to 50 wt.%, based on 100 wt.% of the copolymer, of repeating units based on styrene, 42 to 80 wt.%, based on 100 wt.% of the copolymer, of repeating units based on butadiene, and 5 to 43 wt.%, based on 100 wt.% of the copolymer, of units based on at least one functional monomer and wherein at least one extender oil is based on vegetable oils.

Copolimero de estireno-butadieno funcionalizado extendido con aceite.

La presente invención se refiere a un copolímero de estireno-butadieno funcionalizado extendido con aceite, en donde el copolímero de estireno-butadieno extendido funcionalizado comprende del 1 al 50 % en peso, basado en el 100 % en peso del copolímero, de unidades de repetición basadas en estireno, del 42 al 80 % en peso, basado en el 100 % en peso del copolímero, de unidades de repetición basadas en butadieno y del 5 al 43 % en peso basado en el 100 % en peso del copolímero, de unidades basadas en al menos un monómero funcional y en el que al menos un aceite extensor está basado en aceites vegetales, preferentemente aceite vegetal epoxidado.

Oil extended functionalized styrene-butadiene copolymer

The present invention refers to an oil extended functionalized styrene-butadiene copolymer wherein the functionalized styrene-butadiene copolymer comprises 15 to 50 wt.%, based on 100 wt.% of the copolymer, of repeating units based on styrene, 42 to 80 wt.%, based on 100 wt.% of the copolymer, of repeating units based on at least one functional monomer and wherein at least one extender oil is based on vegetables oils, preferably epoxidized vegetable oil.

Oil extended functionalized styrene-butadiene copolymer

Oil extended functionalized styrene-butadiene copolymer

Oil extended functionalized styrene-butadiene copolymer

Oil extended functionalized styrene-butadiene copolymer

The present invention refers to an oil extended functionalized styrene-butadiene copolymer wherein the functionalized styrene-butadiene copolymer comprises 1 to 50 wt.%, based on 100 wt.% of the copolymer, of repeating units based on styrene, 42 to 80 wt.%, based on 100 wt.% of the copolymer, of repeating units based on butadiene, and 5 to 43 wt.%, based on 100 wt.% of the copolymer, of units based on at least one functional monomer and wherein at least one extender oil is based on vegetable oils, preferably epoxidized vegetable oil.

styrene and butadiene copolymers, process for their preparation and high cohesive adhesive compositions

COPOLÍMEROS DE ESTIRENO E BUTADIENO, PROCESSO PARA A PREPARAÇçO DOS MESMOS E COMPOSIÇÕES ADESIVAS DE ALTA COESçO. O presente pedido de patente de invenção trata de copolímeros de estireno e butadieno (SER), os quais são preparados através da tecnologia de polimerização em emulsão aquosa, sendo estes, direcionados à indústria de adesivos e selantes e particularmente úteis na preparação de adesivos de contato e adesivos sensíveis à pressão (PSA), os quais têm grande aplicação na indústria de calçados e moveleira. A utilização deste tipo de elastômero nos processos de preparação de adesivos, em base aquosa ou em base de solventes, confere alta coesão às composições adesivas, sem o comprometimento da adesão. A presente invenção visa, também, a proteção do processo de obtenção dos copolímeros de SBR, que compreende, simultaneamente: a polimerização em emulsão aquosa a elevadas temperaturas, a utilização de um surfactante específico e a manutenção da viscosidade Mooney e do teor de estireno combinado no copolimero em faixas elevadas. O presente pedido tem ainda por objeto proteger as composições adesivas que são obtidas a partir dos copolimeros de SER, quer na forma sólida ou de látex, desta invenção. STYLENE AND BUTADIENE COPOLYMERS, PROCESS FOR PREPARING THE SAME AND HIGH COHESIVE ADHESIVE COMPOSITIONS. The present patent application deals with styrene and butadiene (SER) copolymers, which are prepared by aqueous emulsion polymerization technology, which are directed to the adhesive and sealant industry and particularly useful in the preparation of contact adhesives. and pressure sensitive adhesives (PSA), which have wide application in the shoe and furniture industry. The use of this type of elastomer in waterborne or solvent based adhesive preparation processes provides high cohesion to the adhesive compositions without compromising adhesion. The present invention is also intended to protect the process of obtaining SBR copolymers which comprises simultaneously: ...

Styrene-butadiene copolymers, process for the preparation thereof and high cohesion adhesive compositions