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Article
Study on synthesis of polycarbonate dilate polyurethane elastomers
Polyurethane (PU) elastomer was synthesized from the polycarbonate diol (PCDL) and isoflurone diisocyanate (IPDI) in N, N-dimethylformamide (DMF) solvent by the prepolymer method. The structure and molecular w...
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Article
Strategy to achieve low-dielectric-constant for benzoxazine-phthalonitriles: introduction of 2,2'-bis[4-(4-Maleimidephen-oxy)phenyl)]propane by in-situ polymerization
With the escalating demand in the high-frequency and high-speed communication field, it is imperative to develop materials with low dielectric constants (Low-ɛ) that also exhibit high-temperature resistance. I...
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Article
Improving the thermal conductivity of PMIA/EP composites by the synergistic effect of modified boron nitride and graphene oxide
In this study, h-BN-OH was obtained by hydroxylating h-BN and subsequently KH560 was grafted onto the surface of h-BN-OH, resulting in h-BN-KH560. The h-BN-KH560 was then dispersed in an epoxy resin (EP) to cr...
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Article
Influence of comonomer DCA on thermal, crystallization, and mechanical characteristics of bio-based semi-aromatic PA10T
In this study, the semi-aromatic poly (decamethylene terephthalamide) acid (PA10T) and an array of PA10T/1010 with various copolymerization content of the third monomer 1,10-decanedioic acid (DCA) were synthes...
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Article
Comparison of the properties of bioderived polycarbonate and traditional bisphenol-A polycarbonate
Bioderived polycarbonate (ISB-PC) was synthesized via transesterification and polycondensation of isosorbide (ISB) and diphenyl carbonate (DPC) using lithium acetoacetone as a catalyst. The resulting ISB-PC ex...
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Article
Synthesis and properties of biobased polycarbonate based on isosorbitol
In this study, iso-sorbitol type polycarbonate (PIC) was synthesized with isosorbide (ISB) and diphenyl carbonate (DPC) as reactive monomers. The flexible co-monomers 1,4-butanediol (BDO) and 1,4-cyclohexane d...
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Article
Effect of addition of 1,6-hexanediamine on thermal properties and crystallization behaviors of biobased PA10T polyamides
Bio-based semi-aromatic poly (decamethylene terephthalamide) acid (PA10T) and a series of poly (decamethylene terephthalamide/hexamethylene terephthalamide) (PA10T/6 T) were synthesized by an efficient one-pot...
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Article
Lightweight poly(m-phenylene isophthalamide)/CF/GO@Fe3O4 composites for enhanced shielding of electromagnetic pollution
In this work, ferroferric oxide (Fe3O4) microspheres with a diameter of ~ 150 nm were in situ grown on the surface of graphene oxide (GO) to obtain GO@Fe3O4 hybrids. Then, novel PMIA/CF/GO@Fe3O4 electromagnetic s...
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Article
Novel polyethersulfone dielectric films with high temperature resistance, intrinsic low dielectric constant and low dielectric loss
In this work, a series of fluorene-containing fluorinated polyethersulfone (PES-6AF/BHPF) copolymers with high temperature resistance and intrinsic low dielectric constant (low-ε) have been designed and synthesiz...
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Article
Ultralow Dielectric Constant and High Temperature Resistance Composites Based on Self-Crosslinking Polysulfone and Hollow Glass Beads
In this work, ultralow dielectric constant (ultralow-k) polysulfone (PSF) composites were prepared by adding hollow glass beads (HGB) modified with 1,3-divinyltetramethyldisiloxane (DVTM). The results indicated t...
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Article
Preparation and physical properties of intrinsic low-k polyarylene ether nitrile with enhanced thermo-stability
Polyarylene ether nitrile (PEN) random copolymers were prepared from 6AF, BHPF, and 2, 6-dichlorobenzonitrile according to the nucleophilic aromatic substitution polymerization. The chemical structure of PEN r...
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Article
Dielectric properties of polyethersulfone copolymers containing bisphenol S and six fluorine hexafluorobisphenolA (6AF) segments
In this study, a series of fluorinated polyethersulfone (PES-6AF) copolymers with intrinsic low-dielectric-constants are prepared by the introduction of fluorine-containing group, which are derived from the po...
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Article
Effect of different carboxylic acid group contents on microstructure and properties of waterborne polyurethane dispersions
The waterborne polyurethane (WPU) with different carboxylic acid group contents were prepared by a prepolymer method, adopting polycarbonate diol (PCDL) as soft segments and isophorone diisocyanate (IPDI) as h...
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Article
Research on the relationship between structure and properties of the soluble polyaryl ether ketone terminated with phthalonitrile
A novel soluble poly(aryl ether ketone) (PAEK) terminated with 4-nitrophthalonitrile was designed and synthesized, which was used to solve the problem of difficult solution processing. Then, a series of cross-...
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Article
Synthesis and properties of high performance polysulfone resin with low dielectric constant and dielectric loss
A series of novel cross-linkable PSF-6AF/DBA copolymers with different structure were successfully synthesized via nucleophilic aromatic substitution stepwise polymerization of 4,4′-dichlorodiphenyl sulfone (D...
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Article
An efficient strategy for preparation of high-k poly(arylene ether nitrile)-based dielectrics with enhanced thermo-stability and good temperature independence
In this work, the encapsulated barium titanate (BT) (C-PEN@BT) nanoparticles were successfully prepared via rotary coating technology combined with a post-treatment chemical bonding process, by using carboxyl-...
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Article
Study on properties of barium titanate/polyethersulfone dielectric composites prepared by physical dispersion method
Composite materials applied to capacitors with high dielectric constant, low dielectric loss and outstanding thermal stability are concerned widely in the field of dielectrics. So committed to the development ...
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Article
Oriented growth of BaTiO3 along the basalt fibers and their dielectric properties in poly(ether sulfone)-based composite laminates
To develop high performance of polymer-based composites, the dispersion state and interfacial interaction of nano-fillers are two key issues to be considered. Herein, we report the surface decoration of basalt...
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Article
Synthesis and properties of novel organosoluble copoly(arylene ether nitriles) containing thioether moiety
In this work, a series of novel organosoluble copoly(arylene ether nitriles) containing thioether moiety (PENS) were synthesized via nucleophilic aromatic substitution polymerization of 2,6-dichlorobenzonitril...
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Article
Fabrication and Electromagnetic Properties of Conjugated NH2-CuPc@Fe3O4
Conjugated amino-phthalocyanine copper containing carboxyl groups/magnetite (NH2-CuPc@Fe3O4) has been fabricated from FeCl3·6H2O and NH2-CuPc via a simple solvothermal method and its electromagnetic properties in...
