Laminated paper for cushioning material

Details Laminated paper for cushioning material Laminated paper for cushioning material

1997-03-28

1999-11-30

Jones, Deborah

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428195, D21H 1100

Patent

active

059939532

ABSTRACT:
A laminated paper, including a water soluble polyvinyl alcohol layer of 15-40 .mu.m thickness having an air permeability of 800,000 seconds/100 ml or higher, a total thickness of 40-100 .mu.m and a lengthwise softness of 50 g or less. The laminated paper has high air permeability, extremely superior in air tightness, water soluble, and easy to dispose and recycle. Furthermore, there is no static electricity generated, it is strong in heat sealing, and it has conversion performance. Plus, in the safety aspect, it is non-toxic, waste is safe, and when cushioning material 10 is formed, disposal process is easy as the water soluble PVA film and the paper base are both biodegradable. This laminated paper is an environment friendly industrial material.

REFERENCES:
patent: 5405370 (1995-04-01), Irani
patent: 5658646 (1997-08-01), Takano
Patent Abstracts of Japan vol.096, No. 005, May 31, 1996 & JP 08 002557 A (Canon Pack KK), Jan. 9, 1996 *abstract*.
Patent Abstracts of Japan, vol. 095, No. 009, Oct. 31, 1995 & JP 07 165266 A (Hitachi Electron Service Co., Ltd.), Jun. 27, 1995 *abstract*.
Patent Abstracts of Japan, vol. 014, No. 470 (C-0769), Oct. 15, 1990 & JP 02 191799 A (Kurary Co. Ltd.), Jul. 27, 1990 *abstract*.

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