C08L2203/00

SULFUR-CROSSLINKABLE RUBBER MIXTURE, VULCANIZATE AND VEHICLE TYRE

The invention relates to a sulfur-crosslinkable rubber mixture, to a vulcanizate and to a vehicle tire.

The sulfur-crosslinkable rubber mixture contains at least the following constituents: 50 to 100 phr of at least one polyisoprene selected from the group consisting of natural and synthetic polyisoprene and 5 to 500 phr of at least one silica and at least one silane B having the general empirical formula I)


(R.sup.1).sub.oSiR.sup.2S.sub.nR.sup.2Si(R.sup.1).sub.o where the R.sup.2 radicals may independently be the same or different and are unbranched alkylene groups having 6 to 20 carbon atoms, preferably 6 to 10 carbon atoms, and where n is an integer from 2 to 10.

THERMOPLASTIC ELASTOMERIC COMPOSITIONS COMPRISING POLYOLEFINS AND STYRENE-B-ETHYLENE- ETHYLENE-PROPYLENE-B-STYRENE BLOCK COPOLYMERS
20240084118 · 2024-03-14 · ·

The present invention relates to thermoplastic elastomeric compositions comprising polyolefins, styrene-b-ethylene-ethylene-propylene-b-styrene block copolymers and optionally, a plasticizers, laminates comprising the same as well as their use in disposable hygiene and medical products.

Aqueous composition for hard surface applications with enhanced stability
10479884 · 2019-11-19 · ·

The present invention relates to an aqueous composition with enhanced stability for hard surface applications containing at least one lipophilic compound and at least one copolymer, in which the at least one copolymer is a comb-type branched copolymer exhibiting an alternating sequence of monomeric units (a) having at least one hydrophilic group and monomeric units (b) having at least one lipophilic side chain. Moreover, a method for producing said composition as well as the use of the composition is concerned.

Ultraviolet curable primer for radio-wave transmission cover of vehicle

An ultraviolet curable primer for a radio-wave transmission cover of a vehicle may include about 20 wt % to about 30 wt % of urethane acrylate oligomer, about 35 wt % to about 60 wt % of monomer, about 1 wt % to about 5 wt % of photopolymerization initiator, about 0.1 wt % to about 1.0 wt % of wetting additive, and about 10 wt % to about 30 wt % of solvent, wherein the urethane acrylate oligomer comprises about 7.5 wt % to about 12.5 wt % of two-function urethane acrylate oligomer based on the total weight of the ultraviolet curable primer, and about 12.5 wt % to about 17.5 wt % of six-function urethane acrylate oligomer based on the total weight of the ultraviolet curable primer, and wherein the ultraviolet curable primer is applied to a radio-wave transmission cover comprising a multilayered oxide optical film.

Low EFO polypropylene composition

Polymer composition comprising at least one polypropylene homopolymer and/or random copolymer, up to 15 wt % of at least one polyethylene, optionally at least one elastomer in an amount of 8 to 40 wt % and optionally fillers and/or additives in an amount of up to 45 wt % based on the total weight of the final polymer composition with the at least one polyethylene having a density of higher than 940 kg/m3, a content of hexane hot extractables of below 0.80 wt % preferably below 0.60 wt %, most preferably below 0.40 wt % and a copolymer/homopolymer (COHO) ratio measured by Temperature Rising Elution Fraction (TREF) up to 6%.

RUBBER COMPOSITION FOR TIRE TREAD AND TIRE
20240174842 · 2024-05-30 · ·

A rubber composition for a tire tread according to an embodiment includes: 100 parts by mass of a diene rubber component containing 40 parts by mass or more of a modified butadiene rubber; 60 to 200 parts by mass of silica; and 20 to 60 parts by mass of a terpene-based resin having a ?-pinene unit content of 40 mass % or more.

STYRENE-FREE AND COBALT-FREE POLYMERIC COMPOSITION AND ITS USE FOR FILLING AND BONDING

A styrene-free and cobalt compound-free polymeric composition and its use for filling and bonding, particularly in car repairing, bonding and repairing of marble and granite, modeling, manufacture of molds and models, structural bondings of composite material, and in the nautical and wind power field, includes an unsaturated polyester resin or a urethane acrylate-based resin and combinations thereof.

POLYMERIC COMPOSITIONS WHICH MINIMIZE PHOSPHATE FIXATION
20190119181 · 2019-04-25 · ·

Polymeric compositions useful for use with solid or liquid phosphate fertilizers include one or more first copolymers having at least two repeat units selected from maleic, itaconic, and sulfonate repeat units, and one or more second copolymers having maleic and olefinic repeat units. The compositions are capable of synergistically reducing or eliminating phosphate fixation, and are relatively low in cost. The compositions may also be supplemented with product-marking dyes and second copolymers having high and low molecular weight profiles in order to control fines or dust during handling and application of solid phosphate fertilizers.

PROCESS FOR SYNTHESIZING HYBRID CORE-SHELL MICROPARTICLES COMPRISING A POLYMER CORE AND A SILICON DIOXIDE SHELL WITH CONTROLLED STRUCTURE AND SURFACE

Hybrid microparticle having a polymer core and a shell which surrounds the polymer core at least in sections and which has a silicon dioxide layer; characterized by an RF value, the RF value being defined as the ratio of an external surface area amenable to the adsorption of nitrogen to a surface area which is computable from an arithmetic mean diameter of the hybrid microparticle considered as an ideal sphere, where the shell has a structure selected from: closed and smooth, with the shell having an RF value of between 1 and 1.5; closed and hillocky, with the shell having an RF value of between 1.51 and 3; or open, with the shell having an RF value of greater than 3.01.

LOW EFO POLYPROPYLENE COMPOSITION
20190077946 · 2019-03-14 ·

Polymer composition comprising at least one polypropylene homopolymer and/or random copolymer, up to 15 wt % of at least one polyethylene, optionally at least one elastomer in an amount of 8 to 40 wt % and optionally fillers and/or additives in an amount of up to 45 wt % based on the total weight of the fmal polymer composition with the at least one polyethylene having a density of higher than 940 kg/m3, a content of hexane hot extractables of below 0.80 wt % preferably below 0.60 wt %, most preferably below 0.40 wt % and a copolymer/homopolymer (COHO) ratio measured by Temperature Rising Elution Fraction (TREF) up to 6%.