Solutions of polyvinyl acetals

Details Solutions of polyvinyl acetals Solutions of polyvinyl acetals

C - Chemistry, Metallurgy

09

D

117/191, 400/421

C09D 5/25 (2006.01) C09D 129/14 (2006.01) D06P 5/28 (2006.01) H01B 3/44 (2006.01)

Patent

CA 1096987

ABSTRACT OF THE DISCLOSURE Polyvinyl formal dissolved in a solvent comprising certain monoalkyl ethers of diethylene glycol and triethylene glycol or the monophenyl ether of ethylene glycol diethylene glycol, triethylene glycol, tetraethylene glycol or propylene glycol. In some cases it is necessary to have a diluent such as an aromatic hydrocarbon prevent. The polyvinyl acutely solutions of the present invention are useful wire enamels f or coating magnet wire. The solvent system used is less expensive than conventional solvent systems and the final coatings are at a much higher percentage solids than currently used coatings.

284846

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