Polymers characterized by 1,3-imidazolidine-1,3-diyl rings plast

Details Polymers characterized by 1,3-imidazolidine-1,3-diyl rings plast Polymers characterized by 1,3-imidazolidine-1,3-diyl rings plast

1981-07-29

1983-05-10

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524145, 524143, C08K 552

Patent

active

043830676

ABSTRACT:
Normally intractable polymers of the structure: ##STR1## wherein X is O or NH, provided at least one X is O, such as poly(parabanic acids) are made extrudable by composition with greater than 15 to 60 weight percent of phosphate ester of the structure (R.sub.1 --O).sub.3 P=O wherein R.sub.1 is: ##STR2## and each R.sub.2 and R.sub.3 is independently selected from H or --CH.sub.3 or (b) an alkyl radical having 1 to 8 carbon atoms.

REFERENCES:
patent: 3609113 (1971-09-01), Schade et al.
patent: 3661859 (1972-05-01), Patton
patent: 3901847 (1975-08-01), Johnson et al.
patent: 4074007 (1978-02-01), Gebauer et al.
patent: 4096130 (1978-06-01), Kraft
patent: 4294785 (1981-10-01), Patton

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