Recycling of flexible foam

Details Recycling of flexible foam Recycling of flexible foam

1996-11-27

1997-11-25

Nutter, Nathan M.

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

Synthetic resins

Process of treating scrap or waste product containing solid...

521 49, 521155, 521159, 521170, 521174, 521912, 528 59, 528 85, C08J 1104

Patent

active

056913893

ABSTRACT:
Process for recycling flexible foams by glycolysis and extraction. The glycolysis is conducted by allowing the foam to react with low molecular weight polyols, then allowing the mixture to separate in two phases.

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patent: 4317939 (1982-03-01), Gerlock et al.
Hooper et al. "Recent Developments in the Chemical Recycling of flexible polyurethanes", Cellular Polymers, vol. 11, No. 5, 1992, pp. 388-396.

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