D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 17/33 (2006.01) C08J 5/06 (2006.01) C08J 5/08 (2006.01) D21H 13/40 (2006.01)
Patent
CA 2056720
A wet-laid, non-woven, glass fiber containing thermoplastic polymer web is provided that is capable of yielding improved physical properties for articles molded from the web. The web in addition to the glass fibers and thermoplastic matrix polymer contains a chemically modified thermoplastic polymer. This material is preferably present in the mat binder which is applied to the web. Generally, the amount of the chemically modified thermoplastic polymer present in the web is in the range of from about 0.1 to about 20 weight percent of the web. In addition to the chemically modified thermoplastic polymer, the mat binder also contains a film forming polymer and optionally an electron donating oregano coupling agent and a stabilizing agent such as one or more carboxylic acids and/or anhydrides which may be monocarboxylic, polycarboxylic, aliphatic or cyclic.
Borden Ladner Gervais Llp
Ppg Industries Ohio Inc.
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