Results 151 to 160 of about 3,266 (209)

Performance evaluation of cyanate ester resin

20th IEEE/NPSS Symposium onFusion Engineering, 2003., 2006
Traditional epoxy resin systems have long been used for vacuum impregnation of large electro-magnets. However, the mechanical strength of these systems is disappointingly low when operated at temperatures above about 70/spl deg/C where the failure mechanism is more often by adhesion at the copper interface than by cohesion within the resin.
G. Voss, P. Fabian, S. Feucht, M. Harte, C. Terry   +4 more
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Fluoromethylene Cyanate Ester Resins

2006
The synthesis and properties of the fluoromethylene cyanate ester monomer series, NCOCH2(CF2)nCH2OCN, n = 3, 4, 6, 8, 10, and corresponding resins have been described. The resin property of particular importance is the dielectric constant, which decreases from 2.6 at n = 3 to 2.3 (1 GHz) at n ≥ 6.
Arthur W. Snow, Leonard J. Buckley
openaire   +1 more source

Cyanate Esters

2014
Cyanate ester resins are an important class of thermosetting compounds that have experienced an ever-increasing interest as matrix systems for advanced polymer composite materials, which among other applications, are especially suitable for highly demanding functions in the aerospace or microelectronics industries.
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Fire‐resistant cyanate ester–epoxy blends

Fire and Materials, 2003
AbstractThe cure chemistry, thermal stability and fire behaviour of a series of fire‐resistant cyanate ester–epoxy blends were examined. The dicyanate and diepoxide of 1, 1‐dichloro‐2, 2‐bis(4‐hydroxyphenyl)ethylene (bisphenol‐C, BPC) were combined in various molar ratios and the reaction chemistry was monitored using Fourier transform infrared ...
Richard N. Walters, Richard E. Lyon
openaire   +1 more source

Cyanate Ester Resins, Recent Developments

2007
The search for advanced, high performance, high temperature resistant polymers is on the rise in view of the growing demand for polymer matrix composites that are to meet stringent functional requirements for use in the rapidly evolving high-tech area of aerospace.
C. P. Reghunadhan Nair, Dona Mathew, K. N. Ninan   +2 more
openaire   +1 more source

Structure development in cyanate ester polymerization

Polymer International, 1997
We present results on the product distribution obtained from the polymerization of the dicyanate monomer of bisphenol A carried out under different reaction conditions. Small quantities of side-products were observed using both size exclusion chromatography and high-pressure liquid chromatography for samples polymerized under an inert atmosphere ...
Leo J. Kasehagen, Christopher W. Macosko
openaire   +1 more source

Cyanate ester polymerization catalysis by layered-silicates

Polymer, 2004
This work examines the effect of Na montmorillonite (Na MMT) and cation exchanged layered montmorillonite on the polymerization of a cyanate ester monomer (1,1-bis(4-cyanatophenyl)ethane). The cyanate ester polymerization reaction is examined using a traditional catalyst and several montmorillonites.
Tim J. Wooster, Simmi Abrol, Douglas R. MacFarlane   +2 more
openaire   +1 more source

Properties of reinforced cyanate ester resins

1994
During the last decade, aromatic cyanate esters have emerged as a new class of thermosetting resins for use as prepreg matrices in both the aerospace and electronics industries. Being derived from the cyanation of hydroxyl-containing species, a variety of backbone structures have been studied [1, 2].
P. D. Mackenzie, V. Malhotra
openaire   +1 more source

Cyanate Ester Resins

2001
Abstract Cyanate ester resins are a family of high-temperature thermosetting resins that bridge the gap in thermal performance between engineering epoxy and high-temperature polyimides. This article discusses the chemistry, properties and characteristics of the cyanate ester resins.
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Recent Technological Developments in Cyanate Ester Resins

High Performance Polymers, 1998
Although they are relative newcomers to the composites industry, cyanate ester (CE) resins are enjoying unprecedented success in certain applications. Several major space and radome manufacturers have qualified CE resins despite the extensive database on epoxies and the inherently conservative nature of the industry.
Hamerton, I, Hay, JN
openaire   +2 more sources