Selectively Strippable Silyl-Containing Aerospace Topcoats using Environmentally Friendly Fluoride Salts

Abstract

The Technical Objectives of this project are as follows: Prove that silyl containing polyurethane (Silyl PU) topcoats can provide similar thermal, mechanical, and performance properties (e.g. solvent resistance, weatherability ) as a MIL PRF 85285 polyurethane aircraft topcoat. Demonstrate that Silyl PU topcoats can be selectively degraded and removed from a strongly adhered non metallic substrate (e.g. anti corrosive epoxy primer) using a mild and environmentally friendly fluoride salt solution. Confirm that non metallic substrates remain intact, with the chemical structure and mechanical properties unaltered, upon removal of the Silyl PU topcoat.

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Document Details

Document Type
Technical Report
Publication Date
Dec 16, 2021
Accession Number
AD1191527

Entities

People

  • Erick B. Iezzi
  • Eugene Camerino
  • Grant C. Daniels
  • Josh Walles
  • Keith B. Sutyak

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Space

DTIC Thesaurus Topics

  • Aerial Warfare
  • Air Force
  • Aircrafts
  • Chlorides
  • Coatings
  • Composite Materials
  • Degradation
  • Department Of Defense
  • Elongation
  • Fluorides
  • Glass Transition Temperature
  • Mechanical Properties
  • Military Research
  • Oligomers
  • Polyurethanes
  • Resistance
  • Tensile Strength
  • Transition Temperature

Readers

  • Materials Science and Engineering.
  • Polymer Science and Technology
  • Surface Engineering/Surface Coating Technology.

Technology Areas

  • Space