Title:
DEINKING AGENT
Document Type and Number:
WIPO Patent Application WO/1992/007996
Kind Code:
A1
Abstract:
A deinking agent comprising as an active ingredient an ester mixture prepared by reacting a natural fat or a reaction product between a natural fat and glycerol with a monohydric or dihydric alcohol in a ratio of 0.02/1 - 1/1 in terms of a molar ratio of the alcohol to the glycerol in the natural fat to prepare a mixture, and adding ethylene oxide and propylene oxide to the mixture. It gives a deinked pulp free from the trouble of foaming and somberness.
Inventors:
URUSHIBATA HIDEAKI (JP)
HAMAGUCHI KOJI (JP)
HIRAMATSU HIROYOSHI (JP)
MIYAUCHI YOSHITAKA (JP)
HAMAGUCHI KOJI (JP)
HIRAMATSU HIROYOSHI (JP)
MIYAUCHI YOSHITAKA (JP)
Application Number:
PCT/JP1990/001367
Publication Date:
May 14, 1992
Filing Date:
October 24, 1990
Export Citation:
Assignee:
KAO CORP (JP)
International Classes:
D21C5/02; (IPC1-7): D21C5/02
Foreign References:
| JPH0112876B2 | 1989-03-02 | |||
| JPH01111086A | 1989-04-27 | |||
| JPH0159393B2 | 1989-12-18 | |||
| JPS5778497A | 1982-05-17 | |||
| JPS4910433B1 | 1974-03-11 | |||
| JPS4610409B1 | ||||
| JPH0157194B2 | 1989-12-04 | |||
| JPS63227880A | 1988-09-22 |
Attorney, Agent or Firm:
Designated States:
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