Aliphatic polyurethane matrix transfer medium and porous magnesi

Details Aliphatic polyurethane matrix transfer medium and porous magnesi Aliphatic polyurethane matrix transfer medium and porous magnesi

1984-06-15

1986-04-29

Hess, Bruce H.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4002412, 428206, 428207, 4283184, 4283213, 428331, 4284231, 4284237, 428914, B41M 502

Patent

active

045856923

ABSTRACT:
A matrix transfer medium with the binder being an aliphatic polyester polyurethane. This is formed directly on an untensilized polyethylene terephthalate film substrate. Porous magnesium silicate in minor amounts as a filler beneficially controls ink flow at printing. Overall good performance as to both ribbon feed and printing is realized.

REFERENCES:
patent: 3037879 (1962-06-01), Newman et al.
patent: 3348651 (1967-10-01), Mater et al.
patent: 3413184 (1968-11-01), Findlay et al.
patent: 3681186 (1972-08-01), Findlay et al.
patent: 3849239 (1974-11-01), Newman
patent: 4544292 (1985-10-01), Klueh et al.
IBM Technical Disclosure Bulletin article entitled "Ribbon with Modified Polyethylene Telephthalate Substrate," vol. 27, No. 1B, Jun. 1984, at pp. 639-640.

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