Thermal insulation material comprising a mixture of silk and syn

Details Thermal insulation material comprising a mixture of silk and syn Thermal insulation material comprising a mixture of silk and syn

1981-11-03

1983-08-23

Kendell, Lorraine T.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Noninterengaged fiber-containing paper-free web or sheet...

428288, 428361, 428362, 428398, B32B 2700, D04H 158

Patent

active

044004265

ABSTRACT:
An improved thermal insulation material comprising a carded web containing 30 to 80 wt. %, preferably 50 wt. % silk, the balance being crimped, hollow polyester staple or very low denier solid cross section polyester filaments. The carded web is uniformly impregnated with a thermosetting resin to form a bat which is employed as a filler for garments, sleeping bags and the like.

REFERENCES:
patent: 2271184 (1942-01-01), Drefus
patent: 3044914 (1962-07-01), Bell et al.
patent: 3278954 (1966-10-01), Barhite
patent: 3294580 (1966-12-01), Kolb et al.
patent: 3595731 (1971-07-01), Davies et al.
patent: 3639195 (1972-02-01), Sanders
patent: 3987613 (1976-10-01), Woods et al.
patent: 4199642 (1980-04-01), Cooper et al.
patent: 4304817 (1981-12-01), Frankosky

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