POLYBUTADIENE-MODIFIED UNSATURATED POLYESTER RESIN COMPOSITION

• Main Authors: FUJII TADASHI, IZUMI HIROFUMI, TOYODA TSUTOMU, MAEKAWA IWAO
• Format: Patent
• Language: English
• Published: 21.01.1986
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF MATERIALS THEREFOR; WOODSTAINS

PURPOSE:To provide a composition having high curability and giving a cured product having high water-resistance, bendability and flexibility, and excellent polishability and adhesivity to metal, by compounding a specific polybutadiene- modified unsaturated polyester with a polymerizable monomer. CONSTITUTION:(A) An alpha,beta-unsaturated dicarboxylic acid or its anhydride is made to react with (B) one or more air-drying allyl compound, an animal or vegetable oil or its derivative, or dicyclopentadiene or its derivative at a molar ratio (B/A) of 0.8-1.2, and the reaction product is further reacted with (C) an alpha,omega-polybutadiene glycol and/or alpha,omega-hydrogenated polybutadiene glycol, and if necessary (D) a polyhydric alcohol or a polybasic acid to obtain a polybutadiene- modified unsaturated polyester. The obtained polyester is mixed with a polymerizable monomer having one or more polymerizable double bonds.