Process of directly imaging a thermosensitive polyacetylene salt

Details Process of directly imaging a thermosensitive polyacetylene salt Process of directly imaging a thermosensitive polyacetylene salt

1992-03-09

1993-08-03

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Dye image from radiation sensitive dye or dye former by dry...

Composition or product

430336, 430346, 430945, 430340, 524550, 526285, 548156, G03C 173, C08L 4900

Patent

active

052328201

ABSTRACT:
This invention relates to novel thermochromic quaternized polyacetylene salt derivatives which are visually imageable by exposure to a light source generating energy in a wavelength of from about 400 nm to about 1500 nm said salt derivative having a thermosensitivity of at least 50.degree. C. and defined by the formula ##STR1## or a homopolymer thereof wherein X is the N-quaternized monovalent radical of a dye having an optical absorbance in a wavelength of from about 400 nm to about 1500 nm; V is the cationic residue of a carboxyl, sulfonate, thioate, thiolic, thionic or phosphonate radical; n has a value of from 2 to 4 and X' is hydrogen, C.sub.4 to C.sub.25 alkyl, a polar hydrophilic group which promotes hydrogen bonding containing a radical of the group of an amino, amido, hydroxy, ester, ether, phenol, carboxy, halo, sulfonyl, sulfoxy, sulfinyl, silyl, silyoxy, phosphoro, phosphate, keto, carbamate, aldehyde, urea, urethane, a metal salt group or X' is selected from the group defined for X.

REFERENCES:
patent: 3772027 (1973-11-01), Luckey et al.
patent: 3772028 (1973-11-01), Flico et al.
patent: 3844791 (1974-10-01), Bloom et al.
patent: 5004671 (1991-04-01), Nishimura et al.
patent: 5049428 (1991-09-01), Kanno et al.
patent: 5153106 (1992-10-01), Liu

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