The disclosure relates to a composition for use in tires. The rubber composition comprises a blend of a rubber component and based on 100 parts by weight (phr) of the rubber component, from 50 to 200 phr of a filler, from 0 to 25 phr of a plasticizer, and from 5 to 90 phr dimeric decarboxylated rosin (DDCR). The DDCR resin comprises 50 to 100 wt. % of polycyclic hydrocarbon compounds having one or more aliphatic, unsaturated, or aromatic groups, and 34-80 carbon atoms, with a molecular weight M.sub.n of 250-900 Da, a polydispersity index of 1.0-1.35, and an oxygen to carbon ratio of <5%.

A sealing compound comprising an inventive extended sealing gel, a process for producing this sealing compound, the use of sealing gels in sealing compounds, and the use of sealing gel-containing sealing compounds in tyres

A copper microparticle with antibacterial and/or biocidal activity, wherein each microparticle has a regular, crystalline and microstructured composition that comprises 5 different copper compounds: Antlerite Cu.sub.3.sup.+2(SO.sub.4)(OH).sub.4, Brochantite Cu.sub.4.sup.+2SO.sub.4(OH).sub.6, Chalcantite Cu.sup.+2SO.sub.4.5H.sub.2O, Natrochalcite NaCu.sub.2.sup.+2(SO.sub.4).sub.2OH.H.sub.2O and Hydrated copper sulfate hydroxide Cu.sub.3(SO.sub.4).sub.2(OH).sub.2.4H.sub.2O/2CuSO.sub.4.Cu(OH).sub.2, with the microparticle having a size of between 5 and 50 m. A process for preparing copper microparticles with antibacterial and/or biocidal activity. A concentrated polymeric composition (masterbatch) with antibacterial and/or biocidal activity that is incorporated during the extrusion process to molten polymers for forming rigid or flexible products such as fibers, filaments, and sheets. A use of a copper microparticle with antibacterial and/or biocidal activity. A use of a concentrated polymeric composition (masterbatch) with antibacterial and/or biocidal activity.

Expanded rubber articles and processes for making such, comprising: partially curing an expandable rubber formulation by heating it in a first mould cavity to form a moulded blank; releasing the moulded blank from the first mould cavity and allowing the moulded blank to expand to form an expanded moulded blank; and further curing and expanding the expanded moulded blank by heating it to form the expanded rubber article comprising an expanded rubber part, wherein the expanded moulded blank is heated in a second mould cavity. Optionally, the expanded moulded blank is contacted with a further rubber formulation and a substrate comprising a base material and an elastomer bonding layer in the second mould cavity to form an expanded rubber article additionally comprising a solid rubber part and a substrate.

The present invention relates to a thermosetting resin composition and application thereof, said thermosetting resin composition comprising: A: a styrene-butadiene-styrene triblock copolymer having a star-shaped structure; B: a linear olefin resin containing 1,2-ethylene, and a modifier thereof, C: at least one resin or small molecule compound substituted with an acrylic group; taking the total mass of component A, component B, and component C as 100%, the added amount of said component A is 3%-85%, the added amount of said component B is 10%-95%, and the added amount of said component C is 1%-70%. The resin composition provided by the present invention does not undergo phase separation under initiator conditions, and has high heat resistance and a relatively low dielectric constant and dielectric loss tangent value, and is capable of providing the desired dielectric properties and thermal reliability of a copper-clad plate.

An electrically conductive rubber composition is provided, which is usable for production of a transfer roller of a highly flexible foam satisfying requirements for cost reduction and weight reduction and having smaller foam cell diameters and, hence, ensuring higher-quality image formation with smaller environment-dependent variations in roller resistance. A transfer roller produced from the electrically conductive rubber composition, a production method for the transfer roller, and an image forming apparatus including the transfer roller are also provided. The electrically conductive rubber composition contains a rubber component including SBR and/or BR, EPDM and epichlorohydrin rubber, a crosslinking component, and 4 to 6 parts by mass of a foaming agent and 1.5 to 2.7 parts by mass of a foaming assisting agent based on 100 parts by mass of the rubber component. The transfer roller (1) is produced by extruding the electrically conductive rubber composition into a tubular body and performing an in-can vulcanization process on the tubular body. The image forming apparatus incorporates the transfer roller.

A process for the preparation of a shaped rubber composition comprising combining a rubber compound with an extender compound to produce a mixture; drying the mixture to produce a dried mixture; and shaping the mixture wherein the extender compound comprises a natural or hydrocarbon resin, which possesses a glass transition temperature of at equal to or greater than about 70 C. and an acid value of 50 mg KOH/g or less and wherein the mixture is shaped into particles or bales.

An inventive electrically conductive rubber composition contains: a rubber component including SBR and/or NBR, and 20 to 30 parts by mass of epichlorohydrin rubber based on 100 parts by mass of the overall rubber component; a crosslinking component; a foaming component; and a potassium salt of an anion having a fluoro group and a sulfonyl group in its molecule, the potassium salt being present in a proportion of not less than 0.01 part by mass and not greater than 1 part by mass based on 100 parts by mass of the overall rubber component. An inventive transfer roller (1) includes a roller body (2) formed from the electrically conductive rubber composition.

Provided is a resin composition, a prepreg for a printed circuit and a metal-coated laminate. The resin composition includes: a silicone aryne resin, a polyphenylene ether resin with unsaturated bonds, and a butadiene polymer. The resin composition is used such that the prepared metal-coated laminate can have at least one of the following characteristics: a low dielectric loss factor, high heat resistance, and a low coefficient of thermal expansion.

A improved method of additive manufacturing of a recycled granulate is provided. The method comprises providing a starting article. A shredder shreds the starting article to give a shredded product. A granulator shreds the shredded product to give a recycled granulate. The recycled granulate is fed into an additive manufacturing machine. The additive manufacturing machine prints a printed article using the recycled granulate. The method does not comprise a step of compounding the recycled granulate using a twin screw extruder. The starting article, the shredded product, and the recycle granulate each comprise a fiber reinforced polymer composite.