Block polymers of hydroquinone di-(.beta.-hydroxyalkyl) ethers o

Details Block polymers of hydroquinone di-(.beta.-hydroxyalkyl) ethers o Block polymers of hydroquinone di-(.beta.-hydroxyalkyl) ethers o

1978-10-16

1980-07-08

Welsh, Maurice J.

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

Synthetic resins

From heterocyclic reactant containing as ring atoms oxygen,...

C08L 3700

Patent

active

042118620

ABSTRACT:
Block polymers containing hydroquinone di-(.beta.-hydroxyethyl) ether or one of its isomers or homologs as one of the constitutent blocks and a random copolymer of tetrahydrofuran and one or more alkylene oxides as one or more of the other constituent blocks are useful in preparing polyurethanes and polyesters.

REFERENCES:
patent: 3644567 (1972-02-01), Smith et al.
Noshay et al., Block Copolymers, Overview & Critical Survey, Academic Press, 1977, pp. 299-300.

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