Polymeric polyhydroxy polyether containing 1,6-diazaspiro-[4.4]n

Details Polymeric polyhydroxy polyether containing 1,6-diazaspiro-[4.4]n Polymeric polyhydroxy polyether containing 1,6-diazaspiro-[4.4]n

1988-09-27

1989-12-19

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 89, 528 97, 528117, 528323, C08G 5226, C08G 6914

Patent

active

048884081

ABSTRACT:
Novel linear polymeric polyhydroxy polyethers characterized by alternating moieties of (1) a 1,6-diaza [4.4] spirodilactam having oxyaryl-containing substituents on each ring nitrogen atom and (2) a 2-hydroxy-1,3-propylene connecting group, exhibit relatively high glass transition temperatures.

REFERENCES:
patent: 4672102 (1987-06-01), Silvis et al.

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