RAIN REPELLENT

Abstract

Stability in storage was found to be greater for the silicone-titanium copolymer alone or in solution in mineral spirits than with combinations of silicone-titanium copolymer and dimethyldiethoxysilane. A saturated solution of p-toluene sulfonic acid was found effective as a catalyst for the silicone-titanium copolymer alone and in solution in mineral spirits when applied to a dry panel in pre-flight application. Its stability on storage was found to be greater than that of sodium bisulfate in paste form. A re- evaluation was made of several surface active agents incorporated in acidified dimethyldiethoxysilane. Instead of quick release at 40 psi, as previously used, a gradual release at 5 psi pressure at a rate of 1 ml/min for 10 minutes was employed. No significant improvement in repellency was obtained when application was made under rain conditions.

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Document Details

Document Type
Technical Report
Publication Date
Dec 28, 1962
Accession Number
AD0402667

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Acids
  • Alcohols
  • Alkenes
  • Catalysts
  • Contracts
  • Copolymers
  • Corporations
  • Ethylene Glycol
  • Ethylenes
  • Films
  • Government Procurement
  • High Temperature
  • Hydrolysis
  • Polymers
  • Sulfonic Acids
  • Test And Evaluation
  • Titanium

Readers

  • Analytical Chemistry
  • Surface Coatings Technology.

Technology Areas

  • Microelectronics