Method for making fiber glass mats and improved mats using this

Details Method for making fiber glass mats and improved mats using this Method for making fiber glass mats and improved mats using this

1995-09-14

1998-12-22

Woodward, Ana

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Coated or impregnated woven, knit, or nonwoven fabric which...

Coated or impregnated inorganic fiber fabric

428141, 428143, 442180, 442331, B32B 516, B32B 1706

Patent

active

058519335

ABSTRACT:
Methods for making nonwoven fibrous mats that produce superior tear strengths in roofing products, and the mats produced by the method, are disclosed. The mats comprise glass fiber bonded together with a dried and cured mixture of aqueous urea formaldehyde resin and a self crosslinking copolymer of vinyl acrylic or polyvinyl acetate.

REFERENCES:
patent: 4571356 (1986-02-01), White, Sr. et al.
patent: 4681798 (1987-07-01), Gill et al.
patent: 5026746 (1991-06-01), Floyd et al.
patent: 5116890 (1992-05-01), Floyd et al.
patent: 5334648 (1994-08-01), Drews et al.
patent: 5342680 (1994-08-01), Randall

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