Adhesive compositions for bonding and filling large assemblies
View Patent ↗Adhesive composition for bonding and filling large assemblies, including a mixture of about 5 percent to about 75 percent by weight of a thermoplastic polymer, about 0.5 percent to about 35 percent by weight of a polyester resin or vinyl ester resin, and about 20 percent to about 80 percent by weight of an alkyl acrylate or methacrylate monomer.
1. A polymerizable adhesive or filling composition for large assemblies comprising from about 5 to about 75 percent, by weight, of a thermoplastic or partially thermoplastic polymer or elastomer, from about 0.5 to about 35 percent, by weight, of a dicyclopentadiene resin and about 20 to about 80 percent of an alkyl acrylate or methacrylate monomer, wherein the thermoplastic or partially thermoplastic polymer or elastomer is crosslinked or partially crosslinked.
2. The polymerizable adhesive or filling composition of claim 1 wherein the thermoplastic or partially thermoplastic polymer comprises a core-shell polymer or impact modifier.
3. The polymerizable adhesive or filling composition of claim 1 wherein the thermoplastic or partially thermoplastic polymer comprises an elastomer or mixture of elastomers and a core-shell polymer or impact modifier.
4. The polymerizable adhesive or filling composition of claim 1 wherein the thermoplastic or partially thermoplastic polymer or elastomer is selected from the group consisting of a nitrile elastomer, a liquid nitrile polymer, a chlorinated polymer or elastomer, a polymer or copolymer of chloroprene, chlorinated polyethylene, chlorosulfonated polyethylene, epichlorohydrin polymers, polymers and copolymers of butadiene, isoprene and ethylene-propylene and ethylene-butylene with acrylonitrile and styrene, an acrylate or methacrylate polymer or copolymer, and mixtures of the above.
5. The polymerizable adhesive or filling composition of claim 1 wherein the alkyl acrylate or methacrylate monomers comprise a C1-C6 acrylate or methacrylate monomer selected from the group consisting of methyl methacrylate, ethyl methacrylate, hydroxyethyl methacrylate, propyl methacrylate, hydroxypropyl methacrylate, butyl methacrylate, hexamethyl methacrylate, hexyl methacrylate, cyclohexyl methacrylate, methyl, acrylate, ethyl acrylate hydroxyethyl acrylate, propyl acrylate, hydroxypropyl acrylate, butyl acrylate, hexyl acrylate, cyclohexyl methacrylate, or mixtures thereof.
6. The polymerizable adhesive or filling composition of claim 1 wherein the thermoplastic or partially thermoplastic polymer is selected from the group consisting of a blend of two or more thermoplastic or partially thermoplastic polymers, a blend of two or more elastomers, or at least one elastomer and at least one thermoplastic or partially thermoplastic polymer or mixtures thereof.
7. The polymerizable adhesive or filling composition of claim 2 wherein the core-shell polymer or impact modifier is selected from the group consisting of ABS, MABS, MBS, and or all-acrylic and mixtures thereof.
8. The polymerizable adhesive or filling composition of claim 1 wherein the thermoplastic polymer is selected from the group consisting of polystyrene and copolymers thereof, acrylic polymers and copolymers, polymers of acrylonitrile including styrene/acrylonitrile, ABS, and MABS, chlorinated polymers including polyvinyl chloride polymers and copolymers and mixtures of the above.
9. The polymerizable adhesive or filling composition of claim 3 wherein the elastomer or mixture of elastomers is selected from the group consisting of soluble or lightly crosslinked polychloroprene, chlorinated polyethylene, chlorosulfonated polyethylene, poly(epichlorohydrin), styrene-butadiene and styrene-isoprene polymers and block copolymers, soluble, lightly crosslinked or liquid polymers of acrylonitrile, butadiene and isoprene, acrylic elastomers, ethylene acrylic elastomers, and mixtures thereof.
10. The polymerizable adhesive or filling composition of claim 1 further comprising from about 0.01 to about 20 percent by weight of a polymerizable organic acid monomer or oligomer.
11. The polymerizable adhesive or filling composition of claim 10 wherein the polymerizable organic acid monomer comprises methacrylic acid or acrylic acid or mixtures thereof.
12. The polymerizable adhesive or filling composition of claim 10 wherein the polymerizable organic acid monomer is selected from the group consisting of maleic acid, fumaric acid, itaconic acid and mixtures thereof.
13. The polymerizable adhesive or filling composition of claim 10 wherein the polymerizable organic acid monomer or oligomer comprises a vinyl substituted phosphate ester.
14. The polymerizable adhesive or filling composition of claim 1 further comprising from about 0.1 to about 10 percent by weight of a viscosity control agent.
15. The polymerizable adhesive or filling composition of claim 1 further comprising one or more materials selected from the group consisting of catalysts, initiators, reducing agents, activators, and promoters and mixtures thereof.
16. The polymerizable adhesive or filling composition of claim 1 further comprising a chlorosulfonated polymer, an organic sulfonyl chloride and a dihydropyridine.
17. The polymerizable adhesive or filling composition of claim 1 further comprising a compound selected from the group consisting of a hydroperoxide, a dione or other chelator, an organometallic salt and an aromatic amine and combinations thereof.
18. The polymerizable adhesive or filling composition of claim 1 wherein the thermoplastic or partially thermoplastic polymer or elastomer is insoluble or only partially soluble in the monomer.
19. The polymerizable adhesive or filling composition of claim 1 wherein the thermoplastic or partially thermoplastic polymer or elastomer provides gel properties in the composition prior to curing.
20. The polymerizable adhesive or filling composition of claim 1 wherein the thermoplastic or partially thermoplastic polymer or elastomer is selected from the group consisting of diene polymers or copolymers, acrylic polymers or copolymers and chlorinated polymers and mixtures thereof.
21. A polymerizable adhesive or filling composition for large assemblies comprising from about 5 to about 75 percent, by weight, of a thermoplastic or partially thermoplastic polymer or elastomer, from about 0.5 to about 35 percent, by weight, of a dicyclopentadiene resin and about 20 to about 80 percent of an alkyl acrylate or methacrylate monomer, wherein the thermoplastic or partially thermoplastic polymer or elastomer is crosslinked or partially crosslinked, wherein at least one thermoplastic or partially thermoplastic polymer or elastomer is insoluble or only partially soluble in the monomer, wherein at least one thermoplastic or partially thermoplastic polymer or elastomer provides gel properties in the composition prior to curing, and wherein the thermoplastic or partially thermoplastic polymer or elastomer is selected from the group consisting of diene polymers or copolymers, acrylic polymers or copolymers and chlorinated polymers and mixtures thereof.
22. The polymerizable adhesive or filling composition of claim 21 further comprising at least 0.5 percent, by weight, of a polyester resins.
23. The polymerizable adhesive or filling Composition of claim 22 wherein the polyester resin is selected from the group consisting of orthophthalic, isophthalic, terephthalic, halogenated polyester resins and mixtures thereof.
24. The polymerizable adhesive or filling composition of claim 1 further comprising at least 0.5 percent, by weight, of a vinyl ester resin.
25. The polymerizable adhesive or filling composition of claim 1 further comprising at least 0.5 percent, by weight, of an orthophthalic resin.