Positive type photosensitive composition

Details Positive type photosensitive composition Positive type photosensitive composition

1999-03-09

2000-11-07

Baxter, Janet

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

4302841, 430155, 430944, G03C 173, G03F 7035

Patent

active

06143471&

ABSTRACT:
There is disclosed a positive type photosensitive composition which comprises a support, and a recording layer provided thereon containing at least a polymer which is soluble in an alkaline developer, a near infrared rays-absorbing dye, and a compound which lowers solubility of the polymer in the alkaline developer, wherein a contact angle of the recording layer is 70.degree. or higher and the contact angle is lowered by irradiating a near infrared rays laser.

REFERENCES:
patent: 3901710 (1975-08-01), Ranz et al.
patent: 4181531 (1980-01-01), Pilz
patent: 4271260 (1981-06-01), Abele et al.
patent: 5846690 (1998-12-01), Padmanaban et al.
patent: 5858626 (1999-01-01), Sheriff et al.
Huang et al., "Thermal Imaging: Application in Offset Printing Plate Making," IS & Ts NIP 14: 1998 International Conference on Digital Printing Technologies, p. 190-193.

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