Process for production of quasi-random copolymers from homopolym

Details Process for production of quasi-random copolymers from homopolym Process for production of quasi-random copolymers from homopolym

1988-11-03

1990-08-07

Briggs, Sr., Wilbert J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524147, 524148, 524151, C08L 7700, C08K 551

Patent

active

049469096

ABSTRACT:
A process for forming random copolymers which comprises forming a polymer melt containing one or more polyamides and one or more aryl phosphoryl azide compounds, such as diphenyl phosphoryl azide; and heating said melt for a period of time sufficient to form the desired amount of the copolymer.

REFERENCES:
patent: 3509107 (1970-04-01), Brignac
patent: 3551548 (1970-12-01), Brignac et al.
patent: 4390667 (1983-06-01), Aharoni et al.
patent: 4417031 (1983-11-01), Aharoni et al.
patent: 4417032 (1983-11-01), Khanna et al.
"Polymerization of Amino-Acids or Peptides with Diphenyl Phosphoryl Azide (DPPA)"-Nishi Noro et al., Int. J. Biol. Macromol., vol. 2 p. 53, 1980.
Shiori Takayuki, "Diphenylphosphoryl Azide. A New Convenient Reagent for a Modified Curtius Reaction and for the Peptide Synthesis", J. of the American Chemical Society, vol. 94 pp. 6203-6205 (1972).

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