Flame retarding linear polyesters and shaped articles thereof

Details Flame retarding linear polyesters and shaped articles thereof Flame retarding linear polyesters and shaped articles thereof

1980-02-11

1981-10-27

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

260 457P, C08G 6376

Patent

active

RE0307831

ABSTRACT:
Flame-repellant linear polyesters are obtained by incorporating by condensation phosphorus-compounds having the formula ##STR1## wherein R and R.sub.1 are organic radicals which may also contain hereto atoms into the linear polyesters, preferably those from terephthalic acid and ethylene glycol. These polyesters are materials of which flame-repellent filaments, fibers, sheets, press-moulded and injection-moulded articles may be made. Products of the invention can be used whereever especially acute risks of ignition and fire exist.

REFERENCES:
patent: 3092606 (1963-06-01), Ruppert et al.
patent: 3169944 (1965-02-01), Scott et al.
patent: 3853819 (1974-12-01), Herwig et al.
patent: 3962194 (1976-06-01), Bollert et al.
patent: 4033936 (1977-07-01), Bollert et al.
Henning, Chemical Abstracts, vol. 67:3124n (1967).
Khairullin et al., Chemical Abstracts, vol. 68:105, 302g (1968).

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