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High glass transition and optical transparency of novel polyimide containing 4-tert-butyltoluene moiety
关键字：Polyimides,Solubility,Optical transparency,Dielectric constant
Novel polyimide (PI) 3 was prepared from 4,4’-diaminodiphenyl-4”-tert-butyltoluene and 3,3’,4,4’-biphenyltetracarboxylic dianhydride via a one-step high-temperature polycondensation. The obtained PI 3 showed good solubility in many common solvents such as&...
http://www.polymer.cn/research/dis_info11600 |
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Study of properties of molding plastics of motor commutator improved by glass fiber
关键字：glass fiber,phenolic molding plastics,commutator,properties
As the molding plastics of motor commutator and insulator, it should have excellent properties of heat resistance, insulation, dimensional stability, flame retardancy and high mechanical strength under high temperature. In this paper, the&n...
http://www.polymer.cn/research/dis_info11526 |
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Preparation and properties of glass cloth-reinforced meltable thermoplastic polyimide composites for microelectronic packaging substrates
The rapid evolution in microelectronic technology is a well known phenomenon.Aromatic polyimides, due to their excellent thermal, mechanical and electrical properties, play a significant role in achieving the current state-of-the-art in microele...
http://www.polymer.cn/research/dis_info11321 |
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Effect of Curing Agent Content on the Properties of Electrical Composites of Phenolic Aldehyde(FA) Reinforcedwith Glass Fiber
关键字：FA
Electrical composites of phenolic aldehyde (FA) reinforced with glass fiber were prepared with different content of curing agent taking phenolic resin as matrix,hexamethylenetetramine (HMT) as the curing agent in this paper.
http://www.polymer.cn/research/dis_info9159 |
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The Effects of the Injection Parameters on Flow Length in Molding of the Pa 6 Reinforced Glass Fibre
关键字：Glass Fibre
It is very important to know flow properties of plastics when the mold is designing for the thermoplastics. Flow length of the plastic in the mold gives the information about the flow properties of molten plastic.
http://www.polymer.cn/research/dis_info9092 |
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The Interfacial Engineering for the Fabrication of EpoxyMicrofluidic-photonic-integrated Devices on Glass Substrates
关键字：EpoxyMicrofluidic-photonic-integrated Devices
Fabricating epoxy SU-8-based microfluidic and photonic devices on glass substrates, such as pyrex wafers, has proven to be very difficult. The reason is that it is hard to completely remove residual material between patterned stru...
http://www.polymer.cn/research/dis_info9061 |
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Effect of filler morphology on mechanical and tribological performances of polyimide composites
关键字：polyimide, composite, tribology, morphology, glass fiber and bead
Different shape and size rigid glass fillers were chosen to modify thermoplastic polyimide (TPI) and its mechanical characters were measured.
http://www.polymer.cn/research/dis_info5654 |
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PREPARATION OF POLYIMIDE/SILICA NANOCOMPOSITE MATERIALS FROM WATER GLASS
关键字：PREPARATION,POLYIMIDE,SILICA,NANOCOMPOSITE,MATERIALS,FROM,WATER,GLASS,
Polyimide/silica nanocomposite films were prepared via a novel sol-gel route using silicic acid oligomer (SAO) as silane precursor., and polyamic acid (PAA) prepared from pyromellitic dianhydride (PMDA) and 4, 4’-oxydianiline (ODA) in&nbs...
http://www.polymer.cn/research/dis_info3291 |
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Study on insitu polymerization ABS /Glass fiber composites
关键字：insitu polymerization, long fiber, composites, ABS, impregnation
Long glass fiber reinforced acrilonitrile-butadiene-styrene copolymer(ABS) composites produced byinsitu polymerization was introduced in this paper. The polymerization occurred after the glass fiberwas fully impregnated by low viscosity solution of polybu...
http://www.polymer.cn/research/dis_info1515 |
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Research on Continuous Glass Fibre Reinforced Acrylonitrile-Butadiene-Styrene/Poly (vinyl chloride) Blends
关键字：Acrylonitrile-Butadiene-Styrene/Poly,Blends
Lately, the use of fibre reinforced thermoplastic (FRTP) has increased due to its better mouldability compared to thermosetting FRP material. ABS/PVC blend was widely used due to relatively good mechanical properties and lower cost.&nb...
http://www.polymer.cn/research/dis_info1188 |
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