Described herein are fluoropolymer compositions comprising a compound of Formula (I) wherein X.sup.1 is selected from O or S; L is a divalent linking group comprising at least one aromatic ring; O and X.sup.2 comprises a carbon-carbon double bond. In one embodiment, the phthalonitrile-containing compound is added to a composition comprising (i) a fluorinated elastomeric gum, wherein the fluorinated elastomeric gum comprises a fluoropolymer having a cure-site and (ii) a peroxide curing system. ##STR00001##

Described herein are fluoropolymer compositions comprising a compound of Formula (I) wherein X.sup.1 is selected from O or S; L is a divalent linking group comprising at least one aromatic ring; O and X.sup.2 comprises a carbon-carbon double bond. In one embodiment, the phthalonitrile-containing compound is added to a composition comprising (i) a fluorinated elastomeric gum, wherein the fluorinated elastomeric gum comprises a fluoropolymer having a cure-site and (ii) a peroxide curing system. ##STR00001##

This tire laminate comprises a film of a thermoplastic resin composition and a layer of a rubber composition, and is characterized in that the rubber composition contains at least one type of rubber component, a condensate of formaldehyde and the compound represented by formula (1) (R.sup.1 to R.sup.5 in the formula are defined in the specification), at least one type of methylene donor and a vulcanizing agent, and in that there are 0.5-20 parts by mass of the condensate per total 100 parts by mass of the at least one type of rubber component, there are 0.25-200 parts by mass of the at least one type of methylene donor per total 100 parts by mass of the at least one type of rubber component, the mass ratio of the at least one type of methylene donor and the condensate is 0.5:1-10:1, and, based on the total amount of the at least one type of rubber component, the at least one type of rubber component includes 10-80 mass % of rubber in which the vinyl content in side chains of aliphatic unsaturated hydrocarbons exceeds 11 mol %. This tire laminate exhibits improved adhesive strength between the film of the thermoplastic resin composition and the layer of the rubber composition.

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The present invention discloses an organopolysiloxane prepolymer and a curable organopolysiloxane composition comprising the same, particularly used as an encapsulant in light emitting diodes.

The present invention discloses an organopolysiloxane prepolymer and a curable organopolysiloxane composition comprising the same, particularly used as an encapsulant in light emitting diodes.

A method of curing a curable composition includes: providing the curable composition; providing a substrate having a primer disposed on at least a portion thereof, wherein the primer comprises at least one immobilized polyvalent metal compound for free-radically curing the curable composition; and contacting the curable composition with the primer, thereby causing at least partial curing of the curable composition. The curable composition includes at least one free-radically polymerizable compound and a beta-dicarbonyl compound. The method can be used for adhesive bonding of substrates and preparation of various articles.

A method of curing a curable composition includes: providing the curable composition; providing a substrate having a primer disposed on at least a portion thereof, wherein the primer comprises at least one immobilized polyvalent metal compound for free-radically curing the curable composition; and contacting the curable composition with the primer, thereby causing at least partial curing of the curable composition. The curable composition includes at least one free-radically polymerizable compound and a beta-dicarbonyl compound. The method can be used for adhesive bonding of substrates and preparation of various articles.

A resin composition for a printed wiring board containing a cyanate compound (A); a maleimide compound (B); and a benzoguanamine compound (C) having an aminomethyl group represented by the following general formula (1):

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wherein R is a hydrogen atom or a substituent selected from a group consisting of a hydrocarbon group having 1 to 10 carbon atoms, an alkoxyl group having 1 to 10 carbon atoms, an aryloxy group having 6 to 10 carbon atoms, a hydroxyl group, an amide group, and a halogen atom, and n is an integer of 1 to 2.

A mixture having (A) a polymer obtain by polymerizing at least one free-radically polymerizable compound; and (B) at least one compound having at least one ethylenically unsaturated, free-radically polymerizable group and having a weight-average molecular weight Mw of less than 5000 g/mol, wherein at least 10% by weight of compounds (B) are one or more compounds B1 with at least one nonaromatic ring system.

A mixture having (A) a polymer obtain by polymerizing at least one free-radically polymerizable compound; and (B) at least one compound having at least one ethylenically unsaturated, free-radically polymerizable group and having a weight-average molecular weight Mw of less than 5000 g/mol, wherein at least 10% by weight of compounds (B) are one or more compounds B1 with at least one nonaromatic ring system.