BIODEGRADABLE PAPER PRODUCT AND ITS PRODUCTION

Title:

BIODEGRADABLE PAPER PRODUCT AND ITS PRODUCTION

Document Type and Number:

Japanese Patent JPH08260385

Kind Code:

A

Abstract:

To obtain a biodegradable paper product suitable for a disposable paper cup by forming a coating layer comprising an ethylene/vinyl acetate copolymer, an acrylic copolymer and a starch in the inside of the paper product.

An emulsified ethylene/vinyl acetate copolymer is formulated with an emulsified acrylic copolymer and a starch in the ratio of 5.5-6.6:1.7-2.3:0.8-1.3 to prepare a coating solution. One side of a base paper is coated with the coating solution by a coating roller having 100-150 meshes in 10-20 g/m2 weight, dried at 130-150°C and a coating film is formed to give a first product. Then, if necessary, a letter or a pattern is printed on the first product, a coating film is formed on a thermally bondable region corresponding to one side of a uncoated face of the first product by the similar manner and quenched to 5-7°C to give a secondary product, which is formed into a fixed shape to give a biodegradable paper product.

Inventors:

KIN MASAHIRO
KOU HOUEKI
KIN DAISHIYOKU

Application Number:

JP28882695A

Publication Date:

October 08, 1996

Filing Date:

November 07, 1995

Export Citation:

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Assignee:

KIN MASAHIRO
KOU HOUEKI
KIN DAISHIYOKU

International Classes:

B65D5/56; A47G19/12; B05C1/02; B05D7/00; B05D7/24; B29D23/00; B31B50/00; C08L101/16; C09D103/00; C09D103/02; C09D131/04; C09D133/00; C09D133/04; C12S3/08; D21H19/20; D21H19/84; B29K1/00; B29K29/00; (IPC1-7): D21H19/20; B05C1/02; B05D7/00; B05D7/24; B29D23/00; B31B49/00; B65D5/56; C12S3/08

Attorney, Agent or Firm:

Hattori Masaki

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