A vitrimer composition includes a first plurality of polymer backbones cross-linked with cross-linkers that include at least one siloxane moiety having formula 1:

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wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are each independently H or C.sub.1-6 alkyl. A catalyst that accelerates siloxane exchange is dispersed within the first plurality of polymer backbones.

A composition for use in selective modification of a base material surface includes a polymer having, at an end of a main chain or a side chain thereof, a group including a first functional group capable of forming a bond with a metal, and a solvent.

The valve member according to one embodiment of the present disclosure is a resin formed product having a crosslinked ethylene-tetrafluoroethylene copolymer as a main component, and having a crosslinking density of 85.0 mol/m.sup.3 or more calculated from a storage modulus at 300° C.

The present invention relates to a method for chemically adhering a diene rubber to a piezoelectric polymer, the method comprising the steps of: a) providing a piezoelectric polymer having at least one surface, b) providing a rubber component having at least one surface and comprising a sulfur cross-linkable rubber composition, c) introducing oxygen-containing functional groups on the at least one surface of the piezoelectric polymer, d) reacting the oxygen-containing functional groups with a compound comprising thiocyanate groups, and e) contacting the surface of the piezoelectric polymer obtained of step d) with the surface of the rubber component, and cross-linking.

Provided is a method of making a polymeric composition comprising (a) providing a dispersion of initial polyolefin particles in an aqueous medium, wherein the initial polyolefin particles comprise (i) one or more hydrocarbon polyolefin, (ii) one or more non-hydrocarbon polyolefin, and (iii) one or more crosslinking agent; (b) contacting the initial polyolefin particles with a peroxide initiator to form crosslinked polyolefin particles.

A conjugated diene-based polymer including at least conjugated diene monomer units, and having a shrinkage factor of high molecular weight molecules of 0.4 to 0.8, a degree of adsorption of high molecular weight molecules onto silica of 75% or less, and a degree of adsorption of medium molecular weight molecules of 40 to 100%.

A thermoplastic vuicanizate material comprises: a continuous phase comprising polyester, wherein a melting point of the polyester is less than or equal to 180° C., a dispersant phase comprising cross-linked rubber, wherein an average particle diameter of the cross-linked rubber is less than or equal to 100 μm.

In an additive for an epoxy adhesive and an epoxy adhesive composition for construction including same, the additive for an epoxy adhesive is formed by atomic transfer radical polymerization (ATRP) of a polyacrylate of which one terminal is halogenated, as an arm-polymer, and a diacrylate-based compound or a dimethacrylate-based compound, as a cross-linker, and comprises a star polymer of a star-shape having a core/shell structure including a core formed by the polymerization of the cross-linker and a shell formed by a portion of the arm-polymer.

A resin composition includes: (A) a polyphenylene ether resin of Formula (1) and (B) a compound of Formula (3), and/or a compound of Formula (4), and/or a compound of Formula (5). An article is made from the resin composition. The article made from the resin composition may include a prepreg, a resin film, a laminate or a printed circuit board, and one or more properties including resin filling void, glass transition temperature, Z-axis ratio of thermal expansion, dielectric constant, dissipation factor, and warpage may be improved.

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Compositions and methods for the production of crosslinked polymer modified asphalt containing renewable products, such as ester bottoms or byproducts of soy oil or corn oil. Such compositions and methods may be used to reduce fire and explosion hazards associated with sulfur in preparation of crosslinked polymer modified asphalt.