Microencapsulated composition containing solvent including triis

Details Microencapsulated composition containing solvent including triis Microencapsulated composition containing solvent including triis

1994-02-28

1995-10-17

Lovering, Richard D.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

106 32, 106311, 252364, 264 43, 503213, 503215, B01J 1310, B01J 1320, B41M 5165, C09D 1100

Patent

active

054589746

ABSTRACT:
A remarkably low odor carbonless paper solvent is provided comprising a mixture of diisopropylbiphenyl and triisopropylbiphenyl, generally in an amount of 50 to 90% by weight diisopropylbiphenyl and 10 to 40% by weight triisopropylbiphenyl. The solvent and a chromogenic substance such as a leuco dye are encapsulated to form microcapsules which are coated onto one surface of a carrier sheet. A color developing substance is then applied to another sheet to form a carbonless marking system. When the microcapsules are ruptured, the solubilized chromogenic substance contacts and reacts with the developer to form an image.

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patent: 4795493 (1989-01-01), Okada et al.
patent: 4822767 (1989-04-01), Okada et al.
patent: 5318940 (1994-06-01), Earhart et al.

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