Char-forming polymer, moldable composition and method

Details Char-forming polymer, moldable composition and method Char-forming polymer, moldable composition and method

1984-03-12

1986-02-18

Pertilla, Theodore E.

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

Synthetic resins

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

525175, 525176, 525182, 525183, 525205, 525209, 525214, 525217, 525218, 526262, 526274, 526278, 526286, 526293, 526294, 526302, 5263031, 260DIG24, C08L 6900

Patent

active

045714185

ABSTRACT:
The char residue formation of molded compositions, upon combustion, is improved by incorporating into the moldable composition a char-forming polymer containing recurring units of at least one monomer capable of undergoing tautomerization, at least one monomer capable of undergoing a nucleophilic substitution reaction by said monomer capable of undergoing tautomerization and, optionally, at least one additional copolymerizable monomer.

REFERENCES:
patent: 4014836 (1977-03-01), Kraft et al.
patent: 4035571 (1977-07-01), Brunner et al.
patent: 4038245 (1977-07-01), Reineke
patent: 4444969 (1984-04-01), Younes

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