Process of forming a protective coating and shipping the coating

Details Process of forming a protective coating and shipping the coating Process of forming a protective coating and shipping the coating

1974-04-23

1978-04-04

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

By casting liquids on a solid supporting or shaping surface

264 24, 264216, 427154, B29D 702

Patent

active

040828301

ABSTRACT:
This invention relates to a strippable coating process and a coating composition therefor comprising (1) a latex, (2) a coagulant for said latex and (3) a debonding agent consisting essentially of a substantially non-volatile additive which is adhesive to at least one of either the coated substrate or coagulated coating, more soluble in water than in the coagulated latex polymer component and having a solubility parameter at least 2(calories/cc).sup.1/2 higher than the coagulated latex polymer component.
The protective coating is formed by impinging a stream of a latex and a stream of a coagulant, the two streams being oppositely charged, onto a substrate. After drying an external debonding agent is applied between the coating and the substrate and thereafter the coating is stripped from the substrate.

REFERENCES:
patent: 2119727 (1938-06-01), Talbot
patent: 2135151 (1938-11-01), Schur
patent: 2155441 (1939-04-01), Osborne
patent: 2249205 (1941-07-01), Hansen
patent: 2381865 (1945-08-01), Buchanan

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