Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1994-05-11
1996-04-16
Hess, B. Hamilton
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428195, 4283215, 42840224, 430138, 503215, B41M 528
Patent
active
055081045
ABSTRACT:
The invention provides a novel micro-capsule toner, having a constitution and features absolutely differing the conventional counterpart, that has fully solved the conventional problem that the pattern may vanish. The toner is a novel thermal micro-capsule toner in which the micro-capsule is composed of two or more types of compositions, and in which a component that will be thermally decomposed to generate a gas has been added to the cell or core of the micro-capsule of the compositions, or to the interface between the cell and the core. The toner is added to a paint or an adhesive, or applied onto a carrier, or added to a moldable resin. By directly or indirectly heating, the toner allows a nonvolatile pattern to be developed. The micro-capsule will rupture by simple heating so that a nonvolatile patter is obtained. It becomes possible to print characters and images on various materials such as paper, synthetic resins, woods, and metals.
REFERENCES:
patent: 3669899 (1972-06-01), Vassiliades et al.
patent: 4564534 (1986-01-01), Kushida et al.
Kono et al., Journal of Membrane Science, vol. 76, "pH--responsive permeability of poly(acrylic acid)--poly(ethylenimine) complex capsule membrane", pp. 233-243, 1993.
Nakahara et al., Journal of Colloid and Interface Science, vol. 68, No. 3, "Effects of Surfactants on CaCO.sub.3 Spheres Prepared by Interfacial Reaction Method", pp. 401-407, Mar. 1, 1979.
Oulton, Physical Structure of Cracking Catalyst, "The Pore Size--Surface Area Distribution of a Cracking Catalyst", pp. 1296-1315, Feb. 20, 1948.
Hess B. Hamilton
Toyo Kasei Kogyo Company Limited
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