Method for bonding fibrous web materials

Details Method for bonding fibrous web materials Method for bonding fibrous web materials

1979-12-18

1981-11-17

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

8DIG12, 19296, 28122, 156272, 156277, 20415915, 427 541, 428288, 428290, B32B 3300, D04H 312

Patent

active

043009689

ABSTRACT:
A method for bonding an unbonded fibrous web of natural and/or synthetic fibers by means of a binder which is cured by exposure to UV light, wherein the fibrous web is first compressed, smoothed, and heated, then one or both surfaces of the web is printed with a pattern of a prepolymer binder having a viscosity of from about 500 to 5000 centipoise and the prepolymer binder is cured by exposing the printed fibrous web to ultraviolet light.

REFERENCES:
patent: 4146417 (1979-03-01), Drelich et al.
patent: 4212901 (1980-07-01), van Neerbos et al.
patent: 4222835 (1980-09-01), Dixon

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