Claims
- 1. A cured, non-woven mat comprising a mixture of fibers having different fiber lengths, said fibers containing a polysiloxane compound, and fixedly distributed in a binder.
- 2. The cured, non-woven mat of claim 1 wherein from about 0 to about 100 weight % of said fibers having a fiber length of from about 0.5 to about 60 mm, and from about 0 to about 100 weight % of said fibers have a fiber length of from about 10 to about 150 mm.
- 3. The cured, non-woven mat of claim 2 wherein from about 20 to about 80 weight % of said fibers have a fiber length of from about 10 to about 45 mm, and from about 20 to about 80 weight % of said fibers have a fiber length of from about 30 to about 80 mm.
- 4. The cured, non-woven mat of claim 1 wherein said fibers are glass, wood, polyethylene, polypropylene, polyester, nylon, Orlon®acrylic or mixtures thereof.
- 5. The cured, non-woven mat of claim 4 wherein said fibers are glass fibers having an average diameter of from about 1 to about 100 μm.
- 6. The cured non-woven mat of claim 1 wherein said fibers are present in an amount of from about 50 to about 95 weight %, said polysiloxane is present in an amount of from about 0.001 to about 20 weight % and said binder is present in an amount of from about 5 to about 50 weight %.
- 7. The cured, non-woven mat of claim 6 wherein said fibers are present in an amount of from about 65 to about 90 weight %, said polysiloxane is present in an amount of from about 0.01 to about 10 weight % and said binder is present in an amount of from about 10 to about 35 weight %.
- 8. The cured, non-woven mat of claim 1 wherein said binder is formaldehyde type binder containing between about 0.1 to about 20 weight % of a crosslinked styrene/(meth)acrylic polymer binder modifier.
- 9. The cured, non-woven mat of claim 8 wherein said formaldehyde type binder comprises formaldehyde and a compound selected from the group consisting of urea, phenol, resorcinol, melamine and mixtures thereof.
- 10. The cured, non-woven mat of claim 9 wherein said compound is urea.
- 11. The cured, non-woven mat of claim 8 where the styrene/(meth)acrylic polymer is crosslinked with a polyfunctional nitrogen-containing crosslinking agent.
- 12. The cured, non-woven mat of claim 1 wherein said polysiloxane is a polyalkylsiloxane.
- 13. The cured, non-woven mat of claim 12 wherein said polyalkylsiloxane is polydimethylsiloxane.
- 14. The cured, non-woven mat of claim 1 wherein said mat is a roofing material and is coated on at least one surface with asphalt.
- 15. The cured, non-woven mat of claim 1 wherein said mat is a glass mat employed in a roofing shingle.
RELATED APPLICATIONS
This application is a continuation-in-part application of U.S. Ser. No. 09/759,043, filed Jan. 12, 2001, now U.S. Pat. No. 6,544,911, which is a continuation-in-part application of U.S. Ser. No. 09/484,749, filed Jan. 18, 2000, the entire contents of which are incorporated herein by reference.
US Referenced Citations (8)
Continuation in Parts (2)
|
Number |
Date |
Country |
Parent |
09/759043 |
Jan 2001 |
US |
Child |
10/282676 |
|
US |
Parent |
09/484749 |
Jan 2000 |
US |
Child |
09/759043 |
|
US |