Process for producting p-phenylphenol resin improved in solubili

Details Process for producting p-phenylphenol resin improved in solubili Process for producting p-phenylphenol resin improved in solubili

1980-06-12

1982-10-19

Herbert, Jr., Thomas J.

Textiles: manufacturing

428524, 428531, 525491, B41L 120, B32B 2742

Patent

active

043546978

ABSTRACT:
A resin prepared by acid-catalytic condensation of p-phenylphenol with formaldehyde in the presence of an alcohol having a boiling point of 70.degree. C. or more is improved in solubility in various solvents, especially in ethyl acetate, polyethylene glycol and oil, and is useful as an acidic substance in No Carbon copying paper, which gives an intense color with higher speed, especially in the form of spot ink in flexographic printing or gravure printing.

REFERENCES:
patent: 2052093 (1936-08-01), Honel
patent: 3398107 (1968-08-01), Rowe et al.
patent: 3540909 (1970-11-01), Lin
patent: 3743619 (1973-07-01), Kooguchi et al.

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