Roofing mat using urea-formaldehyde binder of particular...

Details Roofing mat using urea-formaldehyde binder of particular... Roofing mat using urea-formaldehyde binder of particular...

2011-06-21

2011-06-21

Halpern, Mark (Department: 1741)

Paper making and fiber liberation

Processes and products

Mineral fiber

C428S147000

Reexamination Certificate

active

07964060

ABSTRACT:
Provided is thermosetting urea-formaldehyde (UF) resin binder formulation, preferably prepared with modified styrene-maleic anhydride. The formulation has a viscosity in the range of from 3 to 10 cP and a surface tension of from 35 to 50 mN/m, and is prepared using a UF resin composition exhibiting a viscosity of from 175 to 250 cP.

REFERENCES:
patent: 3880792 (1975-04-01), Faessinger
patent: 6384116 (2002-05-01), Chan et al.

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