A resin composition is provided. The resin composition includes a rigid polymer resin, a functionalized polyrotaxane, and (optionally) a core-shell polymer. The resin composition may be cured to form a cured thermoset resin. The cured thermoset set has improved mechanical properties relative to a reference cured thermoset. A method of preparing a cured article of the curable resin composition is also provided. The method includes providing the curable resin composition and curing the curable composition.

The invention relates to a polymer composition (P), comprising at least one acrylonitrile-butadiene-styrene copolymer (A) (ABS copolymer (A)), characterized in that the polymer composition (P) has a surface energy of >38 dyne/cm. The invention further relates to a process for painting a surface of a polymer moulded article comprising the polymer composition (P), wherein no pre-treatment of the surface of the polymer moulded article, such as primer coating, is required prior to the application of the paint.

A vessel closure (1, 21, 41, 61) includes a sealing element (3, 23, 43, 63). The sealing element (3, 23, 43, 63) includes a polymer composition. The polymer composition includes a polyalphaolefin with kinematic viscosity, determined according to ASTM D445 / ISO 3104, of at least 4 cSt, at a temperature of 100° C., and/or a dropping point, determined according to ASTM 5950, of at most -10° C., and up to 95% by weight of a second polyolefin.

Provided is a polyurethane gel composition containing A and B below. Here, A represents a polyurethane obtained by reaction of (a) a hydrogenated polybutadiene having isocyanate groups at the terminals and (b) a glycol represented by HO—R.sub.3—OH (wherein R.sub.3 represents a linear or branched C2 to C6 alkylene group optionally having an ether bond), or A represents a polyurethane obtained by reaction of (c) a hydrogenated polybutadiene having hydroxyl groups at the terminals, (d) a diisocyanate compound, and the (b) glycol represented by HO—R.sub.3—OH (wherein R.sub.3 represents a linear or branched C2 to C6 alkylene group optionally having an ether bond), and B represents an oil agent. The polyurethane gel composition of the present invention is particularly useful as a raw material for cosmetics since a film of an oil-soluble gel obtained using the polyurethane gel composition is exceptionally excellent in any point of transparency, high gloss, elasticity, and resilience.

A composite material according to the present invention includes a solid portion including inorganic particles and a resin. The composite material has a porous structure including a plurality of voids surrounded by the solid portion. In the composite material, a value P.sub.1 determined by the following equation (1) is 6 or more. In the equation (1), a heat conductivity is a value measured for one test specimen in a symmetric configuration according to an American Society for Testing and Materials (ASTM) standard D5470-01. P.sub.1=(the heat conductivity [W/(m.Math.K)] of the composite material/an amount[volume %] of the inorganic particles)×100 Equation (1).

A resin composition for a PCB includes a styrene-butadiene-styrene block copolymer in an amount from 95 to 100 parts by weight, a modified porous spheres of silicon oxide in an amount from 1 to 50 parts by weight, and a liquid polybutadiene in an amount from 5 to 50 parts by weight. The styrene-butadiene-styrene block copolymer and the liquid polybutadiene both include vinyl groups on the molecular side chains. The modified porous spheres of silicon oxide also include vinyl groups. An adhesive film and a circuit board using the resin composition are also provided.

The present disclosure provides a microchannel device including a first base having a defining surface that defines a flow channel and containing a polymer that contains a fluorine atom and a second base having a defining surface that defines the flow channel together with the defining surface of the first base, having solvent resistance, and coming into contact with the first base, in which an arithmetic average roughness Ra of a surface of the first base, exposed by peeling the second base from the first base, is 1 μm or more, and provides a use application thereof.

Provided is a pneumatic tire including a tread formed from a rubber composition highly improving wet-grip performance, dry-grip performance, and durability while maintaining a good balance therebetween. A pneumatic tire including a tread formed from a rubber composition, the composition containing 90% by mass or more of a diene rubber per 100% by mass of the rubber component, the composition further containing a hydrogenated terpene aromatic resin obtained by hydrogenation of double bonds of a terpene aromatic resin, the hydrogenated terpene aromatic resin having a degree of hydrogenation of double bonds of 5-100% and a hydroxyl value of 20 mg KOH/g or less, the hydrogenated terpene aromatic resin being present in an amount of 1-50 parts by mass per 100 parts by mass of the diene rubber, the composition further containing specific inorganic filler in an amount of 1-70 parts by mass per 100 parts by mass of the diene rubber.

Disclosed is a rubber composition for tire treads and a tire manufactured using the same. More particular, the rubber composition for tire treads includes 50 to 200 parts by weight of a wet masterbatch prepared by reacting a styrene-butadiene latex, a carbon black and a liquid styrene-butadiene copolymer at 50 to 95° C. for three to nine hours according to a batchwise method, 60 to 70 parts by weight of a raw rubber, and 50 to 200 parts by weight of a carbon black. Accordingly, the rubber composition for tire treads has enhanced grip and anti-wear performances under a condition of heavy load, high slip and high speed, and thus, may be usefully used in manufacturing a ultra-high performance tire.

The present invention provides a pneumatic tire including a tread formed from a rubber composition that can simultaneously highly improve initial grip performance and stable grip performance during the middle and late periods of running, and further can reduce the occurrence of blowing even during high-temperature running. The present invention relates to a pneumatic tire including a tread, the tread being formed from a rubber composition containing a diene rubber, the rubber composition further containing a hydrogenated terpene aromatic resin obtained by hydrogenation of the double bonds of a terpene aromatic resin, the hydrogenated terpene aromatic resin having a degree of hydrogenation of double bonds of 5-100%, a hydroxyl value of 20 mg KOH/g or less, and a softening point of 116-180° C., the hydrogenated terpene aromatic resin being present in an amount of 1-50 parts by mass per 100 parts by mass of the diene rubber.