Textiles: manufacturing
Patent
1979-12-31
1981-05-19
Hess, Bruce H.
Textiles: manufacturing
427150, 427151, 428307, 428331, 428404, 428405, 428537, 428914, B41M 516, B41M 522
Patent
active
042680697
ABSTRACT:
A novel coating composition is disclosed comprising oil-containing microcapsules dispersed in an aqueous continous phase, which phase also contains finely divided silica particles and a binder for said microcapsules and said silica particles. The silica particles have been treated with an organic material such as an organic silicon compound to give the particles a hydrophobic surface. The coating composition has utility in the manufacture of paper coated with microcapsules. Such paper is characterized by a substantial reduction of specking when used in photocopying apparatus which utilizes a pressure nip to assist transfer of a powder image from a photoreceptor belt to the paper.
In a preferred form, the oil contains a color precursor of the electron donating type and the aqueous composition contains stilt material such as starch particles. The coating composition is applied to paper to form a transfer coating on copy paper, said copy paper having utility in the production of multi-part forms.
REFERENCES:
patent: 4154462 (1979-05-01), Goden et al.
patent: 4191587 (1980-03-01), Kratel et al.
Cagle Stephen H.
Hess Bruce H.
Palmer W. G.
Shane, Jr. Charles N.
The Mead Corporation
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