TH6450B - Adhesive resin components and their applications in sheet metal fabrication? - Google Patents

Abstract

according to this invention has set the composition of adhesive resin consisting of (a) a copolymer of ethylene/alpha-olefin with a density of 0.850-0.900 g/cm3, content of 90% to 50% by weight and containing A. 75 to 95 mol% ethylene (b) ethylene and radical copolymer. polymerization It is a polar unsaturated monomer of 5 to 50 by weight. can polymerize and (c) graph-modified polyethylene 1.0 to 30 parts by weight versus 100 parts by weight of the sum of polyethylene. (a) and (b) as quoted above, part or all of the aforementioned polyethylene has been graph-modified with unsaturated carboxylic acid. body or its derivatives and overlay plates which use this adhesive resin composition.

Claims (6)

1.Glue resin components Containing (a) ethylene / alpha-olefin copolymer with thickness 0.850-0.900 gm3, 95 to 50% by weight and ethylene Lean at an amount of 75 to 95 mol% and the crystallization index as measured by the X-ray method was 30% less (b) ethylene and radical copolymer. Where polymerization The copolymer was 5 to 50% polyunsaturated monomer by weight. The polymers can be 5 to 40% polar unsaturated monomer by weight and (c) graph-modifite polyethylene with a density of 0.900 to 0.980 g / min. Cm. And has a crystallization index as measured by X-ray radiation, which is less than 30% at the rate of 1.0 to 30 parts by weight versus 100 parts by weight of the sum of (a) and (b) as described. Above Where part or all Of polyethylene was graphed - modifide with carboxylic acid. That is not full or its derivatives 2. Composition according to claim 1, where the copolymer (b) is selected from ethylene / vinyl. Acetate Copolymer Ethylene / Ethylenedrylate Copolymer Ethylene / Methylatedrylate Copolymer Ethylene / Adic Acid Rylicco polymers and ethylene / methadrylic copolymer 3. Stacked sheets consisting of a layer of polyolefin and a layer of polyvinylidene chloride are stacked with a middle layer which is assembled With adhesive resin components As mentioned in claim 1 or 2 4. Overlapping sheets according to claim 3, where the polyolefin layer Is polypropylene 5. Nested sheets consisting of layers of polyesters and layers of olefin / vinyl acetecopolymer teaponification products stacked by With middle class Which consists of Assembled resin glue As referred to in claim 1 or 2 6. A stacking sheet consisting of a polycarbonate layer and a layer of olefin / vinyl acetate teaponification products stacked with a middle layer. Which consists of adhesive resin components As mentioned in Claims 1 or 2 (6 Claims, 2 Pages, Figure).