Masking member

Details Masking member Masking member

1988-11-17

1989-09-19

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428 40, 4283173, 4283177, 428343, 428355, B32B 326, B32B 700

Patent

active

048680451

ABSTRACT:
A new masking member consisting essentially of a molded foamed closed cell polystyrene base having a density from about 12.5 to about 50 g/l and an adhesive layer formed on a surface of said polystrene base by coating said surface of said base with a composition consisting essentially of an emulsion-type adhesive in which a water-soluble polymer is mixed in an amount in the range from about 0.1 to about 20% by weight of the weight of said emulsion-type adhesive, is provided in the instant invention. Said masking member is used to protect a surface of an article from a surface treatment, and is attached to a part of the surface of the article by its adhesive layer. Said adhesive layer of the masking member has a suitable stickiness, an excellent weatherability, an excellent heat resistance and a large cohesive force which prevents the adhesive layer from transferring from the masking member to the part of the surface of the article.

REFERENCES:
patent: 3619344 (1971-11-01), Wolinski et el.
patent: 4061825 (1977-12-01), Counsell et al.
patent: 4226915 (1980-10-01), Iijima et al.
patent: 4393080 (1983-07-01), Powelchak et al.

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