METHOD FOR RECOVERING FILLER FROM UNCURED MATERIAL OF FILLER-CONTAINING UNSATURATED POLYESTER RESIN

摘要

PPROBLEM TO BE SOLVED: To provide a method for recovering a filler from an uncured material of a filler-containing unsaturated polyester resin for small ships, automobile parts, railway vehicle parts, furniture, bath tubs, electric appliance parts, water tanks, etc. PSOLUTION: An uncured material of a filler-containing unsaturated polyester resin is decomposed and/or dissolved by using a treating liquid containing phosphoric acids and/or salts of phosphoric acids and the filler is separated and recovered from the treating liquid by filtration, etc. PCOPYRIGHT: (C)2005,JPO&NCIPI