Aqueous process for preparing water-resistant coatings of hydrop

Details Aqueous process for preparing water-resistant coatings of hydrop Aqueous process for preparing water-resistant coatings of hydrop

1989-06-22

1990-05-22

Schofer, Joseph L.

Coating processes

Removable protective coating applied

4273855, 4273897, 524 96, 524548, 524808, B65B 3304

Patent

active

049276670

ABSTRACT:
An aqueous process is described for preparing water-resistant coatings of hydrophobic copolymers of a predetermined composition. The hydrophobic copolymers are made from hydrophilic comonomers such as a vinyl lactam and a polymerizable carboxylic acid. The hydrophobic copolymers are rendered water soluble with a volatile neutralizing agent, such as ammonium hydroxide, then coated onto a substrate and heated to provide the water-resistant coating, and, if desired, redissolved in an aqueous alkaline solution.

REFERENCES:
patent: 3044873 (1962-07-01), Haas
B. F. Goodrich Product Literature GC-73, entitled "Carboset.RTM. Resins".

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