Acrylic modified urethane bobbin finish

Details Acrylic modified urethane bobbin finish Acrylic modified urethane bobbin finish

1976-01-29

1977-02-08

Lesmes, George F.

Winding, tensioning, or guiding

Bobbin or spool

Cop-tube type

427407R, 427408, 428425, 428541, B65H 7512, B32B 2740

Patent

active

040068668

ABSTRACT:
An improved wood textile bobbin which is provided with two layers of protective coatings, the first layer being made up of ricinoleate diphenyl methane diisocyanate prepolymer (MDI) trifunctional polyether polyol (TPP), and the second layer being composed of MDI, TPP, acrylic copolymer, and to a process for producing such a bobbin.

REFERENCES:
patent: 2993807 (1961-07-01), Abbott et al.
patent: 3546148 (1970-12-01), Diamond et al.
patent: 3664861 (1972-05-01), Okamura et al.
patent: 3681289 (1972-08-01), Kruse et al.

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