Soluble coating compositions for temporary protection of...

Details Soluble coating compositions for temporary protection of... Soluble coating compositions for temporary protection of...

C - Chemistry, Metallurgy

09

D

117/199, 400/904

C09D 5/02 (2006.01) C09D 5/00 (2006.01) C09D 133/06 (2006.01)

Patent

CA 1261525

ABSTRACT An aqueous composition which is suitable for producing a temporary protective-coating upon a surface which is prone to deterioration or damage, particularly a bare metal surface, comprises an aqueous medium and, dissolved or dispersed therein in salt form, an addition polymer having a specified molecular weight and glass transition temperature which incorporates residues of one or more hydrophilic monomers and carries carboxyl groups equivalent to a specified acid value. The coating can be removed when desired by treatment with dilute aqueous alkali.

481726

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