Title:
PAINT REMOVER
Document Type and Number:
Japanese Patent JP3343425
Kind Code:
B2
Abstract:
PURPOSE: To obtain a paint remover for a resin bumper having an excellent effect of removing a coating film, low flammability, excellent safety and economic profitability by mixing γ-butyrolactone with formic acid.
CONSTITUTION: γ-Butyrolactone is mixed with formic acid to obtain the objective remover. The mixing ratio is suitably such that 10-95 pts.wt. γ-butyrolactone and 90-5 pts.wt. formic acid are used. It is desirable in view point of the diffucult flammability that water is added to this remover to obtain 100 pts.wt. remover comprising 10-70 pts.wt. γ-butyrolactone, 20-65 pts.wt. formic acid and 10-30 pts.wt. water. The method for removing a coating film from a resin bumper with the remover comprises crushing the bumper, dipping the same in the remover, agitating the mixture to remove the coating film, setting the removed film by leaving the mixture still after the removal of the film, and floating the resin from which the film has been removed on the surface of the remover to recover and recycle the same.
Inventors:
Suzuki Sadakatsu
Hiroshi Ueno
Hiroshi Ueno
Application Number:
JP33933693A
Publication Date:
November 11, 2002
Filing Date:
December 03, 1993
Export Citation:
Assignee:
TonenGeneral Sekiyu KK
International Classes:
C09D9/00; (IPC1-7): C09D9/00
Domestic Patent References:
| JP5185045A | ||||
| JP5156185A | ||||
| JP58199898A | ||||
| JP58174456A | ||||
| JP6293899A | ||||
| JP665533A |
Attorney, Agent or Firm:
Kenji Kawabi
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