Method of print bonding non-woven webs
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United States of America Patent
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-
Jul 16, 1985
Grant Date -
N/A
app pub date -
Feb 15, 1983
filing date -
Feb 15, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention concerns a process for preparing non-woven webs having a very soft hand and a high tensile strength. The process involved includes print bonding a non-woven web with a formaldehyde-free binder having a glass transition temperature of about 5.degree. C. to about 33.degree. C., then drying, curing and then calendering the non-woven web. The resultant non-woven web has a cross dimensional water wet tensile strength of at least 150 g/in and has a softness value of at least as soft as thermally bonded polypropylene. The invention is also concerned with a product produced by the above process.
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