Owens-corning Fiberglas Corporation

Charles E Bolen

Michael G Roberts

Alfred Marzocchi

Edward R Harrington

Anthony V Grossi

Carl R Strauss

Louis T Hahn

Michael C Roberts

Kevin M Foley

Frank Paul McCombs

John L Kane

Frederick H Ponn

Edward L Harrington

A membrane for waterproofing a building component, e.g., a roof or a basement wall. The membrane includes a first layer of asphalt-elastomer blend which preferably is self-adherent to the building component and an overlying layer of plastic film which bears at least one adhesive strip adhered to the plastic film. The membrane is in the form of elongated strips which are overlapped to cover the building component, and the adhesive of each strip ensures a waterproof joint between the laminae of the overlapped strips.

Waterproof membrane

An asphaltic coating composition in the form of an emulsion of chemically modified asphalt and a normal, non-modified asphalt in an aqueous emulsification medium. The emulsion can be used as a primer or damp-proof coating and has good adherence to concrete, wooden or asphaltic substrates to yield a coating of excellent physical properties. The chemically modified asphalt and the normal asphalt can be blended prior to emulsification, can be separately emulsified and mixed to form a blended emulsion, or can be individually emulsified in the same emulsification medium.

Asphalt coating composition

There is provided a blend of a slow setting asphalt emulsion with rapid setting emulsion containing the reaction product of asphalt, an acrylamide, a vinyl aromatic monomer and a rubbery polymer.

Blend of rapid set asphaltic emulsion with slow set asphalt emulsion

An improved chip seal method for treating pavement with aqueous asphaltic emulsions is provided wherein the emulsion is a blend of a conventional emulsion adapted for an aqueous asphaltic emulsion is provided in which the dispersed asphaltic material is the prereacted reaction product of asphalt having a viscosity of less than about 120,000 cps (at 140.degree. F.), an acrylamide, a vinyl aromatic monomer and an elastomer.

Chip seal technique employing blends of asphaltic emulsions

An improvement in pavement surface-treating methods is provided of the type wherein a slurry seal composition is applied to the pavement the composition comprising aggregate in a slow setting asphaltic emulsion. The improvement resides in combining with the slow setting asphaltic emulsion in effective breaktime decreasing amount of an emulsion containing a chemically modified asphalt which is the prereacted reaction product of an acrylamide, asphalt having a viscosity of less than 120,000 cps (at 140.degree. F.), a vinyl aromatic monomer and a rubbery polymer.

Slurry seal method using acrylamide and rubber modified asphaltic

A chemically modified asphalt prepared by reacting an asphalt with a polymerizable vinyl monomer (e.g., styrene) and a rubbery polymer including reclaimed rubber (either natural or synthetic) whereby the rubbery polymer is chemically integrated with the asphalt. The chemically modified asphalt compositions of the invention can be used in the treatment of glass fibers as well as in road paving applications and the like.

Chemically modified asphalt compositions

An improved process for forming an acoustical or thermal insulating fibrous glass product is provided, wherein the binder employed is asphalt and the asphalt is converted into a substantially insolubilized form.

Glass insulation with an insolubilized asphalt binder

Glass fibers, either in the form of individual filaments or bundles of glass fibers, which have been coated with a chemically-modified asphalt prepared by reacting a bituminous material with an organo metallic compound in the form of an orthoester or an organo metallic boron compound. The coated fibers can be used as reinforcement for bitumen or bitumen plus aggregate to securely tie the glass fiber surfaces to the bitumen.

Boron-modified asphalts

A reinforced composite formed of a bitumen, an elastomer or a plastic reinforced with a filler containing a coating thereon in the form of a chemically modified bitumen. The chemically modified bitumen employed is one formed by reaction of a linking agent reactive with the bitumen and containing groups reactive with the filler so that the chemically modified bitumen undergoes a chemical reaction with the filler to thereby intertie the coated filler with the continuous phase.

Reinforced composites

A bitumen composition modified with an organo silane in which a bitumen such as asphalt is reacted with an organo silane containing ethylenic unsaturation or an organo silane containing at least one hydrogen atom bonded to the silicon atom whereby the organo silanes react with ethylenic unsaturation of the bitumen to chemically bond the organo silane to the bitumen. Also included are bitumens which have been chemically modified by reaction with steam, air, ammonia or aliphatic amines which have been reacted with a silane containing a functional group reactive with the bitumen. Bitumen compositions of the invention are preferably used in the treatment of glass fibers for use as reinforcement in asphalt systems.

Asphalt compositions modified with organo silane compounds

Glass substrates are provided, for example, glass fibers, with a substantially solvent insoluble coating of asphalt.

Glass substrates with an insolubilized asphalt coating

An asphalt-modified polyester composition comprising an asphalt which has first been reacted with a polycarboxylic acid or anhydride and a polyalcohol; the modified asphalt is then reacted with a polyester and a vinyl aromatic monomer to produce a molding composition which is ideally suited for combination with a glass fiber reinforcement in the molding of rigid bodies reinforced with, for example, glass fibers.

Modified asphalt compositions

Chemically modified asphalt compositions prepared by reaction of asphalt with ammonia, a polyamine or an aromatic diamine. The chemically modified asphalt compositions of this invention are particularly well suited for use in the treatment of glass fibers as reinforcement for asphalt matrices.

A chemically-modified asphalt composition formed by reaction of an asphalt, a polycarboxylic acid or anhydride and an organic polyalcohol. The resulting polyester-modified asphalt composition can be cross linked using a vulcanizing agent to form hard rigid bodies which can be reinforced with reinforcements and/or fillers, notably including glass fibers.

A chemically modified asphalt prepared by reacting an asphalt with a polymerizable vinyl monomer (e.g., styrene) and a rubbery polymer whereby the rubbery polymer is chemically integrated with the asphalt. The chemically modified asphalt can be, if desired, further cross linked by reaction with a cross linking agent such as a polycarboxylic acid, an organic isocyanate or an organic polyepoxide. The chemically modified asphalt compositions of the invention can be used in the treatment of glass fibers as well as in road paving applications and the like.

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Newark, OH, United States of America

Charles E Bolen