Title:
WATER-BASE EMULSION AND EASILY MACERATABLE MOISTUREPROOF PAPER
Document Type and Number:
Japanese Patent JP3271294
Kind Code:
B2
Abstract:
PURPOSE: To prepare a water-base emulsion by compounding a specific ethylene- vinyl chloride copolymer, a rosin ester emulsion, and a wax emulsion in a specified ratio and to produce a moistureproof paper which is easily maceratable and excellent in moistureproofness and water repellency by using the watrer-base emulsion.
CONSTITUTION: A water-base emulsion is prepd. by compounding 100 wt.% ethylene-vinyl chloride copolymer comprising 3-40wt.% ethylene units, 25-90wt.% vinyl chloride units, and 0-73wt.% vinyl acetate units and having a glass transition point of -15 to 35°C, 50-95 pts.wt. (solid content) emulsion of a rosin ester having a softening point of 110-150°C and a Gardner coloration degree of 5 or lower, and 5-10 pts.wt. (solid content) emulsion of a wax having an m.p of 50-110°C. A moistureproof paper is produced by coating a substrate paper with the water-base emulsion in an amt. of 5-10g/m2 (solid content).
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Inventors:
Akitoshi Takahira
Yuji Yoshii
Yuji Yoshii
Application Number:
JP10449892A
Publication Date:
April 02, 2002
Filing Date:
April 23, 1992
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
C08K5/12; C08L27/04; C08L27/06; C08L31/04; C08L93/00; C08L93/04; C09D5/02; C09D127/06; C09D131/04; D21H19/14; D21H19/18; D21H19/20; D21H21/16; D21H27/00; C08L91/06; (IPC1-7): C08L27/06; C08K5/12; C08L31/04; C09D5/02; C09D127/06; C09D131/04; D21H19/20; D21H21/16
Domestic Patent References:
| JP5530419A | ||||
| JP52154891A | ||||
| JP57155254A |
Attorney, Agent or Firm:
Mitsuhiro Moroishi (1 person outside)