Film for use as thermosensitive stencil printing cardboard sheet

Details Film for use as thermosensitive stencil printing cardboard sheet Film for use as thermosensitive stencil printing cardboard sheet

1990-07-06

1992-02-04

Ryan, Patrick J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428337, 428409, 428480, 428500, 428913, B32B 900

Patent

active

050859331

ABSTRACT:
A film for a thermosensitive stencil printing base sheet, comprising a biaxially stretched film of a thermoplastic resin having a thickness of 0.2 to 7 micrometers, said film showing at least two fusion peaks in its DSC temperature elevation measuring chart (the rate of temperature elevation 20.degree. C./min.), at least two fusion peaks having the following relation:

REFERENCES:
patent: 4535690 (1985-08-01), Gestetner et al.
patent: 4766033 (1988-08-01), Yoshimura et al.
patent: 4981746 (1991-01-01), Matsuo et al.
Patent Abstracts of Japan, vol. 13, No. 94 (M-804)(3442) Mar. 6, 1989, & JP-A-63 286395 (Toray Ind. Inc.) Nov. 24, 1988, *the whole document*.

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