Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1981-08-06
1983-02-22
Phynes, Lucille M.
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
528291, C08G 1800, C08G 6300, C08G 6900
Patent
active
043747167
ABSTRACT:
The present invention provides a novel linear amorphous aromatic polyester comprising units derived from (i) terephthalic acid, (ii) 1,2-propanediol or mixtures of 1,2-propanediol with up to 20 mole percent of ethylene glycol, based upon the total of 1,2-propanediol and ethylene glycol, and (iii) about 5 to 30 mole percent, based upon the total of (i), (ii), and (iii), of a glycol which contains a tertiary amine group, the amine containing glycol having a specified structure and the polyester having an inherent viscosity of about 0.05 to 0.5 dl/g when measured in 60:40 phenol:tetrachloroethane at a concentration of 0.5 g/100 ml at 25.degree. C. The novel polyester is useful as a crosslinking resin and as a photoinitiator for UV curable coating and ink compositions.
Also provided is a specified ultraviolet radiation curable coating composition. The composition comprises a mixture of
REFERENCES:
patent: 3624181 (1971-11-01), Munakata et al.
patent: 4110187 (1978-08-01), Sloan et al.
patent: 4113594 (1978-09-01), Nyberg
Moore Howard G.
Newland Gordon C.
Pacifici James G.
Cotey David E.
Eastman Kodak Company
Phynes Lucille M.
Reece III Daniel B.
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