Accession Number:

ADB000277

Title:

Development of High Temperature Addition-Cured Adhesives

Descriptive Note:

Technical rept., 1 Mar 1973-28 Feb 1974

Corporate Author:

HUGHES AIRCRAFT CO CULVER CITY CA AEROSPACE GROUPS

Report Date:

1974-05-01

Pagination or Media Count:

78.0

Abstract:

An evaluation of two high-temperature addition-cured adhesives. These were 1 NITRILE SUBSTITUTED POLYPHENYL ETHERS CURED WITH TERPHTHALONITRILE N, N-dioxide TPNO AND 2 acetylene termin-ated polyimide HR600 cured thermally. The thermally cured acetylene terminated polyimide proved to be superior to the TPNO cured cyano substituted polyphenylene oxide. Lap-shear strengths of 6A14V titanium bonded with HR600 adhesive exceeded 3000 psi at ambient temperature on powdered aluminum-filled specimens reinforced with heat cleaned 112 glass fabric and 2800 psi at ambient temperature, 2600 psi at 450F and 2100 psi at 500F on unfilled specimens bonded with 70 percent HR600 prepreg on 112 heat cleaned glass fabric. Weld-bonding of titanium specimens using aluminum powder filled HR600 adhesive proved to be successful and showed superior fatigue resistance over spot-welded specimens.

Subject Categories:

  • Polymer Chemistry
  • Adhesives, Seals and Binders

Distribution Statement:

APPROVED FOR PUBLIC RELEASE