C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
6/6, 117/64
C08K 5/05 (2006.01) B05D 1/32 (2006.01) C09D 5/20 (2006.01) C09K 3/22 (2006.01)
Patent
CA 2013452
A method for coating a first portion of a configured surface having a second portion adjacent thereto to be covered by a mask before the coating is applied, thereby restricting the coating to the first portion, comprising the steps of: (a) separating the portions by surrounding at least part of the perimeter of the first portion with an edging means in the form of a thin flexible barrier strip adherent to the hereafter-specified masking solution: (b) applying to at least a part of the second portion, adjacent the barrier strip, a water soluble masking solution comprising a mixture of (i) a water soluble aliphatic polyhydroxy liquid carrier, (ii) a water soluble thickener, and (iii) water; (c) pressing the barrier strip against the masking solution to produce a guarding edge; (d) applying the coating to the first portion up to the guarding edge; (e) drying the coating and subsequently removing the edging means; whereby the masking solution inhibits dust on the second portion from marring the coating and protects the second portion against coating overspray. The invention also relates to a liquid spray mask composition used to settle dust and also to a masking system. The method, composition and system are particularly useful in masking the body of a vehicle (for example) to protect an un- damaged area against overspraying.
Marsek Patrick W.
Smart & Biggar
LandOfFree
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