Accession Number : ADA116474

Title :   In-Situ Measurement of the Properties of Curing Systems with Microdielectrometry.

Descriptive Note : Technical rept. Jun 81-Apr 82,

Corporate Author : MASSACHUSETTS INST OF TECH CAMBRIDGE DEPT OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

Personal Author(s) : Senturia,S D ; Sheppard,N F , Jr ; Lee,H L ; Day,David R

PDF Url : ADA116474

Report Date : 04 May 1982

Pagination or Media Count : 39

Abstract : This paper reports the measurement of low frequency dielectric properties of several epoxy-amine systems undergoing cure. Results from isothermal cures of DGEBA-MPDA are shown to provide a measurement of a low-frequency relaxation time that can be correlated with bulk viscosity prior to gelation. Also studied was the effect of PGE diluent in the DGEBA-DDS system. It is shown that as little as 5 phr diluent produces observable changes in the low-frequency dielectric properties. (Author)

Descriptors :   *Epoxy compounds, *Amines, *Curing, *Dielectric properties, *Measurement, Gelation, Isotherms, Relaxation, Low frequency, Viscosity, Bulk materials, Diluents, Microelectronics

Subject Categories : Plastics
      Mfg & Industrial Eng & Control of Product Sys
      Electricity and Magnetism

Distribution Statement : APPROVED FOR PUBLIC RELEASE