Recycling of polymeric materials from carpets and other multi-co

Details Recycling of polymeric materials from carpets and other multi-co Recycling of polymeric materials from carpets and other multi-co

1992-05-13

1993-08-03

Michl, Paul R.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528501, 528502, 523332, 523340, 203 49, 264101, 159 22, 210774, C08F 600

Patent

active

052330214

ABSTRACT:
A method of extracting pure components from a multi-component structure by dissolving each component at an appropriate temperature and pressure in a supercritical fluid and then varying the temperature and/or pressure to extract particular components in sequence.

REFERENCES:
patent: 4714526 (1987-12-01), Pennisi et al.
patent: 5080845 (1992-01-01), Herrmann et al.
patent: 5126058 (1992-06-01), Beckman
McCrum, N. G. et al., "Principles of Polymer Engineering," Oxford Science Publications, 1988, pp. 44-45.

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