Condensation polymers and products therefrom

Details Condensation polymers and products therefrom Condensation polymers and products therefrom

1986-01-28

1986-10-14

Phynes, Lucille M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528289, 528290, 528291, 528292, 528345, C08G 6344, C08G 6944, C08G 7316

Patent

active

046173730

ABSTRACT:
Molding or fiber grade condensation polymer having copolymerized therein a total of from 1.0 to about 5,000 ppm of at least one methine moiety having one or more methine units defined as "the group >C.dbd.C< conjoined with a conjugated aromatic system," said moiety absorbing in the range of from about 350 nm to about 650 nm, and being nonextractable from said polymer and stable under the polymer processing conditions. The moieties preferably have molecular weights of from about 200 to about 600 although lower and higher molecular weights are also operable and are derived from reactants (monomers) having one or more groups such as hydroxyl, carboxyl, carboxylic ester, acid halide, amino and the like which condense during condensation or polycondensation to enter the moiety into the polymer chain.

REFERENCES:
patent: 4297502 (1981-10-01), Herrmann et al.
patent: 4359570 (1982-11-01), Davis et al.
patent: 4377669 (1983-03-01), Zweifel et al.
patent: 4400500 (1983-08-01), Kelley et al.
Hackh's Chemical Dictionary, Fourth Ed., McGraw-Hill, Inc., (1969) p. 424.

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