Dimensionally stable, high-tenacity non-woven webs and process

Details Dimensionally stable, high-tenacity non-woven webs and process Dimensionally stable, high-tenacity non-woven webs and process

1973-08-16

1976-08-17

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

28 15M, 156181, 156500, 156441, 264176F, 428286, 428296, D04H 316, D04H 104

Patent

active

039752240

ABSTRACT:
Dimensionally stable, high-tenacity non-woven webs and process for their manufacture. The non-woven webs of the invention are distinguished by a relative grab-tensile strength of at least 200 p/g/m.sup.2, a breaking extension of not more than 50% and a shrinkage of not more than 1%, as measured at 160.degree.C, and are primarily useful as reinforceing and backing materials in the manufacture of needle-punched and tufted carpets.

REFERENCES:
patent: 3255064 (1966-06-01), Makansi
patent: 3368934 (1968-02-01), Vosburgh, Jr.
patent: 3423266 (1969-01-01), Davies et al.
patent: 3433857 (1969-03-01), Sutton et al.
patent: 3441468 (1969-04-01), Sigger et al.
patent: 3509009 (1970-04-01), Hartmann
patent: 3546328 (1970-12-01), Lodge et al.
patent: 3659989 (1972-05-01), Uraya et al.
patent: 3669788 (1972-06-01), Allman et al.
patent: 3673295 (1972-06-01), Winchklhofer et al.
patent: 3692618 (1972-09-01), Borschnel et al.
patent: 3776796 (1973-12-01), Lipscomb et al.
patent: 3803284 (1974-04-01), Burghardt et al.
patent: 3841933 (1974-10-01), Fleissner
America's Textiles Reporter/Bulletin (Apr. 1972) "Finishing Spunbondeds" pp. 1-2.

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