Stereo reticulated polymeric lace-like structure and process for

Details Stereo reticulated polymeric lace-like structure and process for Stereo reticulated polymeric lace-like structure and process for

1976-02-19

1977-12-13

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By mechanically introducing gas into material

264 51, 264210R, 264290R, 264DIG8, 264DIG47, 260 25BE, 260859R, B29D 2700

Patent

active

040629155

ABSTRACT:
The present invention relates to a stereo reticulated lace-like structure formed from a mixture of polymeric materials, which structure is formed by extruding a film of the polymeric mixture and simultaneously imparting a cellular or reticulate structure to said film by means of a blowing agent. The resultant stereo reticulated structure has the appearance of overlapping layers of fibers or fibrils with small interstices therebetween even though the structure is formed from a continuous film.

REFERENCES:
patent: 3539666 (1970-11-01), Schirmer
patent: 3594337 (1971-07-01), Shea
patent: 3634564 (1972-01-01), Okamoto et al.
patent: 3796778 (1974-03-01), Gallacher
patent: 3874965 (1975-04-01), Greenwald et al.
patent: 3954928 (1976-05-01), Omori et al.
patent: 3962388 (1976-06-01), Driscoll
patent: 3965229 (1976-06-01), Driscoll
patent: 3969472 (1976-07-01), Driscoll

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