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MULTIFUNCTIONAL ACRYLATE OR A-SUBSTITUTED ACRYLATE/N-VINYLAMIDE ANAEROBIC ADHESIVE COMPOSITION
MULTIFUNCTIONAL ACRYLATE OR A-SUBSTITUTED ACRYLATE/N-VINYLAMIDE ANAEROBIC ADHESIVE COMPOSITION
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机译:多功能丙烯酸酯或α-取代丙烯酸酯/ N-乙烯基酰胺厌氧胶组合物
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摘要
A solventless, fast-setting anaerobic adhesive composition comprises two monomer parts which are adapted to be copolymerized anaerobically at ambient temperature between opposing surfaces to form a high-strength bond thereto. One part comprises a multifunctional acrylate monomer and the other an N-vinylamide monomer. The formulation also includes a redox system consisting of oxidizing and reducing agent components for initiating polymerization between said monomers. The oxidizing agent of the redox system may be present in either one of said parts, preferably with the multifunctional acrylate. The reducing agent is present in the other part, usually the N-vinylamide. Upon anaerobic admixing of the resective parts of the composition at ambient temperature, the oxidizing and reducing agents react to generate free radicals which initiates copolymerization of the monomers to form the desired high-strength adhesive bond to said surfaces.
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