scholarly journals Low-dielectric-constant polyimide aerogel composite films with low water uptake

2016 ◽  
Vol 48 (7) ◽  
pp. 829-834 ◽  
Author(s):  
Jinyoung Kim ◽  
Jinuk Kwon ◽  
Myeongsoo Kim ◽  
Jeonguk Do ◽  
Daero Lee ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Water Uptake ◽  
Composite Films ◽  
Low Dielectric Constant ◽  
Low Dielectric ◽  
Aerogel Composite

A Bio-Based Allylphenol (Eugenol)-Functionalized Fluorinated Maleimide with Low Dielectric Constant and Low Water Uptake

2018 ◽  
Vol 219 (20) ◽  
pp. 1800252 ◽  
Author(s):  
Linxuan Fang ◽  
Junfeng Zhou ◽  
Jiajia Wang ◽  
Jing Sun ◽  
Qiang Fang
Keyword(s):  
Dielectric Constant ◽  
Water Uptake ◽  
Low Dielectric Constant ◽  
Low Dielectric

Novel Silica Tube/Polyimide Composite Films with Variable Low Dielectric Constant

2005 ◽  
Vol 17 (8) ◽  
pp. 1056-1059 ◽  
Author(s):  
Y.-H. Zhang ◽  
S.-G. Lu ◽  
Y.-Q. Li ◽  
Z.-M. Dang ◽  
J. H. Xin ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Composite Films ◽  
Low Dielectric Constant ◽  
Silica Tube ◽  
Low Dielectric

Bismaleimide/Allylnadic-Imide Blends Yield Low Dielectric Constant And Low Water Uptake

1991 ◽  
Vol 227 ◽  
Author(s):  
J-PH Ansermet ◽  
A. Kramer
Keyword(s):  
Dielectric Constant ◽  
Glass Transition ◽  
Transition Temperature ◽  
Dielectric Properties ◽  
Water Uptake ◽  
Water Saturation ◽  
Low Dielectric Constant ◽  
Aliphatic Chain ◽  
Bismaleimide Resin ◽  
Low Dielectric

ABSTRACTThe bismaleimide resin Matrimid 5292A (I) was cocured with an allylnadic-imide resin (EP 433) which contained a long aliphatic chain as backbone (II). Water uptake, swelling, and the dielectric properties (up to 300 MHz) were studied in cast plates. The dielectric constant varied from 5.4 in (I) to 3.2 in (II) at water saturation, compared to 3.1 in (I) to 2.7 in (II) in the dry state. The glass transition temperature stayed above 200 °C at less than 80 mol% of (II).

Electrical Characterization of Low Dielectric Constant LCP Composite Films

1993 ◽  
Vol 323 ◽  
Author(s):  
L. M. Walpita ◽  
G. Lundberg ◽  
J. Stamatoff
Keyword(s):  
Dielectric Constant ◽  
Liquid Crystalline ◽  
Composite Films ◽  
Electrical Characterization ◽  
Time Domain Reflectometry ◽  
Dielectric Anisotropy ◽  
Low Dielectric Constant ◽  
Low Dielectric ◽  
Glass Spheres ◽  
Frequency Domain Reflectometry

AbstractA variety of low dielectric constant composites have been made into films and characterized. These composites were blends of liquid crystalline polymers (LCPs), hollow glass spheres (HGS) and polytetrafluoroethylene (PTFE). By adjusting the percentage compositions of the various components of the composites, the dielectric constant could be adjusted in the range 2.4 to 3.4. Measurement of the dielectric constant by Time Domain Reflectometry (TDR) and Frequency Domain Reflectometry (FDR) are discussed. Dielectric anisotropy is also discussed. The experimentally observed results are compared with those derived theoretically.

A novel approach to prepare graphene oxide/soluble polyimide composite films with a low dielectric constant and high mechanical properties

RSC Advances ◽  
2014 ◽  
Vol 4 (93) ◽  
pp. 51117-51125 ◽  
Author(s):  
Wei-Hao Liao ◽  
Shin-Yi Yang ◽  
Sheng-Tsung Hsiao ◽  
Yu-Sheng Wang ◽  
Shin-Ming Li ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Dielectric Constant ◽  
Graphene Oxide ◽  
High Performance ◽  
Composite Films ◽  
Low Dielectric Constant ◽  
Low Dielectric ◽  
Novel Approach ◽  
Soluble Polyimide

This study proposes a facile, practical and effective approach to prepare high-performance graphene oxide (GO)/soluble polyimide (SPI) composite films through a dissolved and dispersed strategy.

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