A resin composition for a sealant, comprising an ethylene/polar monomer copolymer (A), an adhesion-imparting resin (B) and a 4-methyl-1-pentene/α-olefin copolymer (C), a content of the 4-methyl-1-pentene/α-olefin copolymer (C) being from 1% by mass to 20% by mass with respect to a total mass of the resin composition for a sealant.

The present application relates to a thermally expandable composition containing at least one peroxide cross-linking polymer, at least one peroxide and at least one endothermic, chemical blowing agent, the blowing agent comprising at least one solid, optionally functionalized, polycarboxylic acid or the salt thereof and at least one urea derivative according to the formula (I) as defined herein; as well as shaped bodies containing the composition and to a method for sealing and filling voids in components, for strengthening or reinforcing components, in particular hollow components, and for bonding mobile components using shaped bodies of this type.

A resin composition for a sealant, comprising an ethylene/polar monomer copolymer (A), an adhesion-imparting resin (B) and a 4-methyl-1-pentene/α-olefin copolymer (C), a content of the 4-methyl-1-pentene/α-olefin copolymer (C) being from 1% by mass to 20% by mass with respect to a total mass of the resin composition for a sealant.

A composition comprising; a) at least one homopolymer or copolymer of vinyl acetate; and b) at least one softener.

The present application relates to a thermally expandable composition containing at least one peroxide cross-linking polymer, at least one peroxide, at least one polysaccharide and at least one endothermic, chemical blowing agent; as well as to shaped bodies containing said composition and to a method for sealing and filling voids in components, for strengthening or reinforcing components, in particular hollow components, and for bonding mobile components using shaped bodies of this type.

The purpose is to provide a resin composition and a film for lid material which excel in sealability and adhesiveness to plastic containers, especially containers made of polyethylene terephthalate, polylactic acid, polystyrene, or polypropylene, and are suitably usable as sealant layers of lid materials for containers. Provided is a resin composition including: an ethylene-vinyl acetate copolymer (A) by 60-95 parts by weight, the ethylene-vinyl acetate copolymer (A) having a vinyl acetate content (VA) of 3-13% by weight, and having a ratio Qw between a weight-average molecular weight (Mw) and a number-average molecular weight (Mn) of 1.5-4.5; and a tackifier resin (B) by 5-40 parts by weight, where a total amount of (A) and (B) is 100 parts by weight.

A composition comprising; a) at least one homopolymer or copolymer of vinyl acetate; and b) at least one softener.

A composition comprising; a) at least one homopolymer or copolymer of vinyl acetate; and b) at least one softener.

Provided is a sealing resin composition including an ethylene/unsaturated ester copolymer (A) and an acid-modified styrene copolymer (B), in which when a total content of the ethylene/unsaturated ester copolymer (A) and the acid-modified styrene copolymer (B) is 100% by mass, a content of the ethylene/unsaturated ester copolymer (A) is equal to or more than 60% by mass and equal to or less than 99% by mass, a content of the acid-modified styrene copolymer (B) is equal to or more than 1% by mass and equal to or less than 40% by mass, and an extraction amount into n-hexane is 100 mg/L or less.

An object of the present invention is to provide a tire sealant having excellent injectability and a tire repair kit. The present invention relates to a tire sealant containing a natural rubber latex; a synthetic resin emulsion; an anti-freezing agent; and phosphate ions or acetate ions; wherein the content of the phosphate ions is from 4.510.sup.3 to 11.010.sup.3 mass %; the content of the acetate ions is from 0.05 to 0.2 mass %; and the relative dielectric constant of the tire sealant is not less than 52.9; and a tire repair kit using the tire sealant.