Amide and hydroxymethyl functionalized polyethers as thermoplast

Details Amide and hydroxymethyl functionalized polyethers as thermoplast Amide and hydroxymethyl functionalized polyethers as thermoplast

1990-05-08

1992-05-19

Bleutge, John C.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 97, 528104, C08G 5900, C08G 6508, C08G 6514

Patent

active

051150751

ABSTRACT:
Polyethers having improved barrier to oxygen are normally solid, thermoplastic polyethers having aromatic ether repeating units in their backbones and pendent hydroxyl moieties and pendent amido, N-substituted amido and/or hydroxyalkyl moieties. Such polyethers are prepared by reacting diglycidyl ethers of dihydric aromatic compounds such as diglycidyl ether of bisphenol A with dihydric phenols having pendent amido, N-substituted amido and/or hydroxyalkyl moieties such as 2,2-bis(4-hydroxyphenyl)acetamide and 3,5-dihydroxybenzamide.

REFERENCES:
patent: 2602075 (1952-07-01), Carpenter et al.
patent: 3210428 (1965-10-01), Guest et al.
patent: 3305528 (1967-02-01), Wynstra et al.
patent: 3477990 (1969-11-01), Dante et al.
patent: 3514418 (1970-05-01), Schwarzer
patent: 4837293 (1989-01-01), Silvis et al.

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