Roof insulation adhesive专利检索-橡胶沥青沥青沥青粘合剂粘合剂建筑材料专利检索查询-专利查询网

Roof insulation adhesive

阅读：260发布：2023-08-16

专利汇可以提供Roof insulation adhesive专利检索，专利查询，专利分析的服务。并且Excellent adhesives are prepared with: asphalt, about 40 parts by weight; an unsaturated rubber such as devulcanized tire rubber, 1 to 18 percent; a saturated rubber such as butyl rubber, 0.7 to 3 percent; a water-immiscible asphalt solvent, 20 to 41 parts; and water 5 to 20 parts. The devulcanized rubber, when used, may have been rendered more compatible with asphalt by having been previously compounded with about half its weight of polyethylene.，下面是Roof insulation adhesive专利的具体信息内容。

权利要求

2. The composition of claim 1 wherein the bitumen is selected from the group consisting of asphalt, gilsonite, petroleum pitch, coal tar pitch, wood tar pitch, lignite tar pitch and mixtures thereof.

3. The composition of claim 1 wherein the unsaturated rubber is devulcanized tire rubber.

4. A stable homogeneous adhesive composition comprising, a water-in-oil dispersion having on a weight basis: 20 to 60 parts of an asphalt softening within the range of 130* to 190* F.; 1 to 18 parts of a nontacky unsaturated rubber selected from the group consisting of natural rubber, reclaimed rubber, copolymers of styrene and butadiene, neoprene and mixtures thereof which contain, on a molar basis, more than 50 percent diene units; about 0.7 to 3.0 parts of a tacky saturated rubber selected from the group consisting of polyisobutylene, butyl rubbers, and mixtures thereof, containing, on a molar basis, less than 20 percent unsaturated units; 20 to 41 parts of an organic liquid solvent selected from the class consisting of hydrocarbons, chlorinated hydrocarbons and mixtures thereof; and 5 to 20 parts water.

5. The composition of claim 4 wherein the organic liquid solvent is selected from the group consisting of benzene, petroleum naphtha, toluene, xylene, kerosene, trichloroethylene, tetrachloroethane, pentachloroethane, perchloroethylene, methyl chloride, carbon tetrachloride, chloroform and mixtures thereof.

6. The composition of claim 4 wherein 1 to 2 percent of a water-swelling clay has been incorporated into the aqueous phase.

7. A roofing adhesive composition, comprising a water-in-oil dispersion having on a weight basis: about 43 to 47 parts of an asphalt having a softening point within the range of 140* to 170* F., about 1 to 6 parts nontacky unsaturated devulcanized tire rubber; about 1 to 2 parts tacky saturated rubber selected from the group consisting of polyisobutylene, butyl rubbers and mixtures thereof; about 25 to 37 parts of a solvent mixture of saturated hydrocarbon liquids and chlorinated hydrocarbon liquids in proportions such that the specific gravity of the asphalt-rubber-solvent mixture approximates 1; and 10 to 16 percent water.

8. The composition of claim 7 wherein the devulcanized tire rubber constitutes 20 to 60 parts of a mixture also comprising 5 to 30 parts gilsonite and 12 to 50 parts polyethylene.

说明书全文

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Roof insulation adhesive

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