KR930700620A - Flame retardant hot melt adhesive composition - Google Patents

Abstract

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Description

Flame retardant hot melt adhesive composition

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Claims (38)

A high melt adhesive composition comprising a flame retardant ethylene vinyl acetate component comprising a tackifying resin, a wax and a graft interpolymer composition having the formula: (Where n is greater than 1, EVA is ethylene vinyl acetate, S is a grafted side chain with brominated monomer units such as Wherein X is 1 to 4, R ₁ is H or CH ₃ , and R ₂ is H or C _1-4 lower alkyl group.) The hot melt adhesive composition of claim 1, wherein the graft interpolymer comprises at least about 1% bromine in a weight ratio of the graft interpolymer. 3. The hot melt composition of claim 2, wherein the graft interpolymer comprises from about 1% to about 20% bromine by weight. The hot melt composition of claim 1, wherein the graft interpolymer comprises about 5% to about 30% bromine by weight of the total composition. The hot melt composition according to claim 1, wherein R ₁ and R ₂ are each hydrogen. The hot melt composition of claim 1, wherein at least about 80% of the brominated unit units have a formula wherein X is 2. The hot melt composition according to claim 1, consisting essentially of the adhesive resin, the wax, and the flame retardant graft interpolymer composition. The hot melt composition of claim 7 comprising about 40% to about 60% graft interpolymer, about 25% to about 50% adhesive resin, and about 10% to about 30% wax. The hot melt composition of claim 1, wherein the ethylene vinyl acetate component further comprises a homopolymer of the brominated monomer unit. 10. The hot melt composition of claim 9, wherein the graft interpolymer and the homopolymer together comprise at least about 1% bromine in a weight ratio of the combined weight of the graft interpolymer and the homopolymer. 10. The hot melt composition of claim 9, wherein the ethylene vinyl acetate component comprises from about 5% to about 30% bromine by weight of the adhesive composition. 10. The hot melt composition of claim 9, consisting essentially of the progressive spheres, the wax, the flame retardant graft interpolymer composition and the homopolymer. 10. The hot melt composition of claim 9, wherein the ethylene vinyl acetate component further comprises non-halogenated ethylene vinyl acetate. The graft interpolymer and the homopolymer of claim 13 together comprising at least about 1% bromine in a weight ratio of the combined weight of the graft interpolymer, the homopolymer and the non-halogenated ethylene vinyl acetate. High temperature melting composition. 14. The hot melt composition of claim 13, consisting essentially of the adhesive resin, the wax, the flame retardant graft interpolymer composition, the homopolymer and the non-halogenated ethylene vinyl acetate. A hot melt adhesive composition comprising an ethylene vinyl acetate polymer, wherein the flame resistant graft interpolymer composition composed of the following formula is used as the ethylene vinyl acetate polymer. (Where n is greater than 1, EVA is ethylene vinyl acetate, S is a grafted side chain with brominated monomer units such as Wherein X is 1 to 4, R ₁ is H or CH ₃ , and R ₂ is H or C _1-4 lower alkyl group.) 17. The hot melt adhesive composition of claim 16, wherein the graft interpolymer comprises at least about 1% bromine in a weight ratio of the graft interpolymer. 17. The hot melt adhesive composition of claim 16, wherein the hot melt adhesive composition consists essentially of a tacky resin, a wax, and the flame retardant graft interpolymer composition. The hot melt adhesive composition of claim 16, wherein the hot melt adhesive composition further comprises a homopolymer of the brominated monomer unit. 20. The hot melt adhesive of claim 19, wherein the graft interpolymer and the homopolymer together comprise about 1% to about 20% bromine by weight ratio of the combined weight of the graft interpolymer and the homopolymer. Composition. 20. The hot melt adhesive composition of claim 19, wherein the hot melt adhesive composition consists essentially of the adhesive resin, the wax, the flame retardant graft interpolymer composition, and the homopolymer. 20. The high temperature adhesive composition of claim 19, wherein the hot melt adhesive composition further comprises non-halogenated ethylene vinyl acetate. 23. The method of claim 22, wherein the graft interpolymer and the homopolymer together comprise from about 1% to about 20% bromine by weight ratio of the combined weight of the graft interpolymer, the homopolymer, and the non-halogenated ethylene vinyl acetate Hot melt adhesive composition, characterized in that. 24. The hot melt adhesive composition of claim 23, wherein the hot melt adhesive composition consists essentially of a pressure sensitive adhesive, a wax, the flame retardant graft interpolymer composition, the homopolymer and the non-halogenated ethylene vinyl acetate. A hot melt adhesive composition comprising a flame retardant polymer component comprising an adhesive resin, a wax, and a graft interpolymer composition having the formula below. Wherein n is greater than 1 and P is a copolymer of polar inter-unit and ethylene selected from the group consisting of (a) vinylacetate, acrylic acid and methacrylic acid and their esters and malic acid esters, (b) the hybrid Mixtures of polymers (c) a polymer selected from the group consisting of a mixture of at least one of the above interpolymers and polyethylene homopolymers, S is a grafted side chain having brominated unit units of Wherein X is 1 to 4, R ₁ is H or CH ₃ , and R ₂ is H or C _1-4 lower alkyl group.) ※ Note: The disclosure is based on the initial application.