Lightweight filler and a process for its manufacture

Details Lightweight filler and a process for its manufacture Lightweight filler and a process for its manufacture

1992-02-03

1995-02-21

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

156 79, 427180, 427202, 4273898, 4273899, 427394, 428283, 4283084, 4283115, 4283175, 4283179, 4283193, 428338, 428402, B32B 702, B32B 516, B32B 712

Patent

active

053914244

ABSTRACT:
A lightweight filler containing a non-woven fabric of substantially two-dimensionally oriented spun fibers which are loosened up and held together by microspheres of plastic material. For manufacturing the lightweight fillers, particles of the unexpanded first stage of microspheres in the form of an aqueous suspension are suspended in a two-dimensionally oriented spun non-woven fabric, the so-obtained material is dried and heated to a temperature necessary for expanding the particles and for the required period of time.

REFERENCES:
patent: 3676288 (1972-07-01), Hoyle
Rompps Chemie-Lexikon, p. 1031, Franckh'sche Verlagshandlung, Stuttgart, Germany (1981).
Kunststoff-Lexikon, p. 114, Carl Hanser Verlag, Munich, Germany (1973).
Gerhard Wenske, Dictionary of Chemistry (English/German) Worterbuch Chemie (English/Deutsch) pp. 339 & 1400.
Chemical Abstracts 117(24): 235200.
Chemical Abstracts 110(20): 174420.
Chemical Abstracts 104(26): 226000.
Chemical Abstracts 78(10): 59449.

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