Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Coating or impregnating workpiece before molding or shaping...
Patent
1974-10-04
1977-04-19
White, Robert F.
Plastic and nonmetallic article shaping or treating: processes
With printing or coating of workpiece
Coating or impregnating workpiece before molding or shaping...
264122, 264342R, B29G 500
Patent
active
040188620
ABSTRACT:
A method for producing a non-woven fabric which comprises bonding webs comprising a hydrophilic or hydrophobic non-shrinkable fiber and a heat-shrinkable fiber (e.g., a dry heat-shrinkable fiber and a wet heat-shrinkable fiber) partially or in a pattern with a binder, heating rapidly the bonded webs and thereby shrinking the webs to give a bulky and soft non-woven fabric having high water absorption properties; when the web comprises a predominant hydrophilic fiber and a wet heat-shrinkable fiber, the web is preferably subjected to a pre-wetting prior to the print bonding.
REFERENCES:
patent: 3214323 (1965-10-01), Russell et al.
patent: 3236238 (1966-02-01), Morse
patent: 3898311 (1975-08-01), Mitchell et al.
Dynic Corporation
Hall James R.
White Robert F.
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