Decomposition treatment liquid for cured unsaturated polyester resin, method for treating cured unsaturated polyester resin by use of the treatment liquid, and method for separating composite material
AssigneeHitachi Chemical Company, Ltd.
InventorsKatsuji Shibata, Hiroyuki Izawa, Ayako Matsuo
Life of this patent
Estimating the term…
Abstract
The present invention provides a decomposition eminent liquid for a cured unsaturated polyester resin, comprising a phosphoric acid-type compound or salt thereof and an organic solvent as essential components. By using the treatment liquid of the invention, a cured unsaturated polyester resin can be easily decomposed or dissolved.
Claims21
A decomposition treatment liquid for a cured unsaturated polyester resin, comprising a phosphoric acid-type compound or salt thereof and an organic solvent.
A decomposition treatment liquid for the cured unsaturated polyester resin, comprising a salt of phosphoric acid-type compound and an organic solvent.
A method for separating the composite material containing a filler and a cured unsaturated polyester resin, wherein the composite material is separated into the filler and a cured resin powder or a solution of decomposed product of the cured resin by treating the cured resin with a treatment liquid for decomposition or dissolution, the treatment liquid containing a phosphoric acid-type compound or salt thereof and an organic solvent.
A method for separating the composite material containing a filler and a cured unsaturated polyester resin, wherein the composite material is separated into the filler and a cured resin powder or a solution of decomposed product of the cured resin by treating the cured resin with a treatment liquid for decomposition or dissolution, the treatment liquid containing a salt of phosphoric acid-type compound and an organic solvent.
Dependencies are inferred from the claim text.