Fully aliphatic polyimides from adamantane-based diamines for enhanced thermal stability, solubility, transparency, and low dielectric constant

2006 ◽  
Vol 102 (4) ◽  
pp. 3316-3326 ◽  
Author(s):  
Anu Stella Mathews ◽  
Il Kim ◽  
Chang-Sik Ha
2004 ◽  
Vol 151 (6) ◽  
pp. F146 ◽  
Author(s):  
Shou-Yi Chang ◽  
Tzu-Jen Chou ◽  
Yung-Cheng Lu ◽  
Syun-Ming Jang ◽  
Su-Jien Lin ◽  
...  

2000 ◽  
Vol 612 ◽  
Author(s):  
Sang-Soo Han ◽  
Byeong-Soo Bae

AbstractFluorinated amorphous carbon (a-C:F) thin films were deposited by inductively coupled plasma enhanced chemical vapor deposition (ICP-CVD) with increasing CF4:CH4 gas flow rate ratio, and then annealed with increasing annealing temperature (100, 200, 300, and 400.). We have found the reduction mechanism of the dielectric constant and the thermally stable condition for the a-C:F films. On the basis of the results, the optimal condition to satisfy both the low dielectric constant and the thermal stability is followed as; the a-C:F films have to have the compatible F content to make a compromise between the two properties; the C-Fx bonding configuration has to exist as a form of C-F2 & C-F3 instead of C-F; The films should be somewhat cross-linked structure.


2016 ◽  
Vol 29 (2) ◽  
pp. 141-150 ◽  
Author(s):  
K Ilango ◽  
P Prabunathan ◽  
E Satheeshkumar ◽  
P Manohar

In this present work, porous mullites (PM0–5) were synthesized through a template-assisted method using various weight percentages of pluronic (P-123). PM5 obtained using 10 wt% of P-123 was found to show maximum porosity (3.8 Å) and low dielectric constant value (2.4). PM5 was functionalized using glycidyl-terminated silane and denoted as FPM and various weight percentages of FPM were reinforced with polybenzoxazine (PBZ) matrix in order to develop FPM/PBZ nanocomposites. The thermal studies indicate that 1.5 wt% of FPM/PBZ nanocomposite showed improved thermal stability with 34% char yield at 800°C and 162°C as glass transition temperature. It also exhibits low dielectric constant (2.6) than that of the neat PBZ matrix and other FPM/PBZ nanocomposites. The microscopic analysis confirms the homogenous dispersion of FPM into the PBZ polymer that has a porous morphology. The results suggest that the as-synthesized mesoporous mullite with low dielectric constant ( k), synthesized via template-assisted method can be used as a reinforcement to decrease the dielectric constant of polymeric material, which is of industrial significance.


2014 ◽  
Vol 143 (2) ◽  
pp. 773-778 ◽  
Author(s):  
Chenyi Wang ◽  
Wentao Chen ◽  
Yunyun Chen ◽  
Xiaoyan Zhao ◽  
Jian Li ◽  
...  

2015 ◽  
Vol 17 (4) ◽  
pp. 2416-2420 ◽  
Author(s):  
Min Kyu Kim ◽  
Dong Won Kim ◽  
Dong Wook Shin ◽  
Sang Joon Seo ◽  
Ho Kyoon Chung ◽  
...  

A hollow SiO2 sphere and polyimide hybrid with a low dielectric constant and high thermal stability is useful for flexible insulators.


2000 ◽  
Vol 39 (Part 2, No. 6A) ◽  
pp. L506-L509 ◽  
Author(s):  
Tohru Hara ◽  
Keiichi Sakamoto ◽  
Fumiaki Togoh ◽  
Hongning Yang ◽  
David R. Evans

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