Method of making a filter with interpenetrating polymer network

Details Method of making a filter with interpenetrating polymer network Method of making a filter with interpenetrating polymer network

1998-06-23

1999-12-07

Smith, Duane S.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

55528, 55DIG5, 131202, 131328, 131332, 442411, 442415, B01D 3916

Patent

active

059985003

ABSTRACT:
This invention relates to a filter and a method of making a filter. The filter is made of randomly orientated fibers made from an interpenetrating network formed from at least two polymers which are substantially water soluble in their salt form and which ionically interact in an aqueous solution to form the interpenetrating network. The filter is made without organic solvents, particularly, volatile organic compounds, and the filter is sufficiently water soluble to biodegrade upon disposal. A desired use of the filter is a cigarette filter.

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