ArticleMaterials (Basel, Switzerland)2022
Synthesis and Properties Comparison of Low Dielectric Silicon Containing Polyimides.
Article in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Liquid Crystalline Siloxane-Containing Poly(ester imide)s with Low Dielectric Constant and Low Dielectric Loss at 10 GHz.Polymers · 2026Article
- Molecular Dynamics Study on Silane Coupling Agent Grafting to Optimize the Interfacial Microstructure and Physical Properties of Polyimide/Nano-SiMaterials (Basel, Switzerland) · 2025Article
- Crown Ether Copolymerized Polyimide Film: Enhanced Mechanical, Thermal Properties and Low Dielectric Constant under High Frequency.Polymers · 2024Article
- Synthesis and Characterization of Polyimides with Naphthalene Ring Structure Introduced in the Main Chain.Materials (Basel, Switzerland) · 2022Article
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3 authors.
Funding
Abstract
Recent studies have shown that the introduction of silicon can effectively improve the dielectric properties of polyimide (PI), and the introduction of a silicon-oxygen bond can increase the flexibility of the PI molecular structure, which is conducive to reducing the moisture absorption rate of PI materials. In this experiment, 1,3-bis(3-aminopropyl)-1,1,3,3-tetramethyl disiloxane (DSX) was mixed with 4,4'-diaminodiphenyl ether (ODA) in different proportions. A series of PI films containing silicon was obtained by random polymerization with pyromellitic dianhydride (PMDA), 3,3',4,4'-diphenylketotetrahedral anhydride (BTDA) and biphenyl dianhydride (BPDA), and then tetrad copolymerization with three kinds of dianhydrides. At the same time, the PI structures were put into calculation software to obtain the simulated polarization results, and then the films were characterized by various properties. The results showed that the characterization results were consistent with that of simulation, and the best overall PI formula was when the ratio of diamines was 1:9 and mixed with PMDA. The performance data were as follows: the vitrification temperature was about 320 °C, T
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