Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1987-05-19
1988-09-27
Gallagher, John J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156332, 156333, 525 76, B32B 700
Patent
active
047739576
ABSTRACT:
A novel methacrylate-based composition is disclosed. The composition is preferably used as an adhesive. The composition comprises an acrylate-based or methacrylate-based ester monomer, a catalyst, a chlorinated or chlorosulfonated polyethylene polymer resin and a graft co-polymer resin. The chlorinated polyethylene polymer resin used includes organic sulfonyl chloride. The composition preferably further includes an acrylate-based or methacrylate-based acid monomer, and a catalyst activator. A preferred chlorosulfonated polyethylene polymer resin contains about 43 weight percent chlorine, about 1.1 weight percent sulfur, and about 34 millimoles sulfonyl chloride moiety per 100 grams thereof. Preferred graft co-polymer resins are ABS, MBS, MABS, ASA, all-acrylic, SA EPDM and MAS. More-preferred graft co-polymer resins are MABS, ASA, all-acrylic and MBS. Most-preferred graft co-polymer resins are MABS and ASA. A preferred methacrylate-based acid monomer is methacrylic acid. Preferred methacrylate-based ester monomers are methyl methacrylate, ethyl methacrylate, butyl methacrylate, cyclohexyl methacrylate, 2-ethylhexyl methacrylate and tetrahydrofurfuryl methacrylate. More-preferred methacrylate-based ester monomers are methyl methacrylate and ethyl methacrylate. A most-preferred methacrylate-based ester monomer is methyl methacrylate. The composition possesses enhanced compression shear strength, lap shear strength, peel strength and impact strength adhesive physical properties.
REFERENCES:
patent: 4106971 (1978-08-01), Briggs et al.
patent: 4182644 (1980-01-01), Briggs et al.
patent: 4287106 (1981-09-01), Forgo et al.
Gallagher John J.
Illinois Tool Works Inc.
Price Herbert P.
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