Method of manufacturing a foam fibrillated fibrous web from an i

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By mechanically introducing gas into material

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156 79, 156229, 156306, 260 25E, 264 53, 264 54, 264210R, 264DIG8, 428107, 428523, 428910, B29D 724, B29D 2700

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active

039652297

ABSTRACT:
Non-woven fabrics are produced from oriented foam fibrillated webs containing 75 to 98 wt. % polypropylene and 2 to 25 wt. % polyethylene. The webs are assembled in a plurality of layers and then bonded by heat and pressure either with or without the presence of an adhesive.

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patent: 3231524 (1966-01-01), Simpson
patent: 3315455 (1967-04-01), Stoller
patent: 3539666 (1970-11-01), Schirmer
Muus, Laurits T., N. Gerard McCrum, and Frank C. McGrew; "On The Relationship of Physical Properties to Structure in Linear Polymers of Ethylene and Propylene." In SPE Journal, May 1959, pp. 368-372.
"The Naming and Indexing of Chemical Compounds from Chemical Abstracts." Introduction to the subject index of vol. 56, Washington, D.C., American Chemical Society, 1962, pp. 12N-15N, 37N-40N, 44N, 45N, 87N-89N, 94N, 95N.
Encyclopedia of Polymer Science and Technology, vol. 5, Section: "Differential Thermal Analysis," New York, Interscience, c1966, pp. 37-57.
Miller, M. L. "The Structure of Polymers," New York, Reinhold, c1966, pp. 286-288, 479-480, 524-535.
The Condensed Chemical Dictionary, Eighth Edition, Revised by Gessner G. Hawley, New York, Van Nostrand Reinhold, c1971, p. 87.

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