Fire retardant nonwoven mat and method of making

Details Fire retardant nonwoven mat and method of making Fire retardant nonwoven mat and method of making

1997-07-09

1998-11-24

Tsang, Cecilia J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Noninterengaged fiber-containing paper-free web or sheet...

4282974, 4282994, 4283171, 4283177, B32B 2742

Patent

active

058404139

ABSTRACT:
Described is a fiber glass mat composition comprising a fiber glass matrix bonded with fire retardant melamine resin binder composition capable of forming a nonwoven mat having at least 27% by weight nitrogen (N) in the dry, bur uncured resin. Also described is a method of making a fire retardant nonwoven fiber glass mat comprising the steps of providing an aqueous melamine based resin binder; applying the binder to fiber glass; and recovering a fire retardant fiber glass mat, wherein the mat has at least 27% by weight N in the dry, but uncured resin wherein the ratio of resin in the mat to N content of the resin does not exceed about 0.6.

REFERENCES:
Goetze et al., "New developments in technical melamine-formaldehyde resins", Kunstharz-Nachr, v. 20, pp. 16-20 (1983).
Saunders, "Organic Polymer Chemistry" pp. 349-355 Chapman & Hall Second Edition, 1988.
Yoshinaga, CA # 115:209844, Jul. 5, 1991.
Brintzinger, "Nonflammable Laminates", (Aug. 6, 1970) CA #73:111184.
Brintzinger, "Noncombustible Paper", (Jul. 23, 1970) CA #75:7672.
Syncoglas, "Nonwoven Fabric", (Mar. 24, 1971) CA #75:22445.
Kamutzki, "Low-formaldehyde melamine resins for paper", (1989), CA #111:235385.

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