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Preparation and controlled-release analysis of ethyl cellulose ―moxa leaf powder solution microcapsules
关键字：ethyl cellulose, moxa leaf powder solution, microcapsules
In this paper, moxa leaf powder solution microcapsules are firstly prepared by phaseseparation of ethyl cellulose. The microcapsule granules prepared are spherical; with gooddispersibility and diameters of 10-100μm; have good effects in pr...
http://www.polymer.cn/research/dis_info11206 |
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3D finite element simulation of transient temperature field for rapid electrical heating cycle injection mold
关键字：Thermal analysis; rapid heating cycle molding; 3D FEM simulation
Rapid electrical heating cycle injection molding technology can be used toproduce polymer parts with no weld mark, flow mark and other surface defects on theparts surface. Recently, it has been gradually found wide use in pla...
http://www.polymer.cn/research/dis_info11199 |
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Analysis of Melting process and Numerical Simulation of Pure UHMW-PE Pipe based on Molding in Barrel Technology
关键字：UHMW-PE, Molding in barrel, Melting process, Numerical Simulation
Ultra High Molecular Weight Polyethylene(UHMW-PE) pipe is a kindof pipe of thermoplastic engineering plastic with excellent comprehensiveperformance, but the difficulty in molding is a technical bottleneck which hasalready affected the extensive ...
http://www.polymer.cn/research/dis_info11190 |
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3D finite element simulation of transient temperature field for rapid electrical heating cycle injection mold
关键字：Thermal analysis; rapid heating cycle molding; 3D FEM simulation
Rapid electrical heating cycle injection molding technology can be used toproduce polymer parts with no weld mark, flow mark and other surface defects on theparts surface. Recently, it has been gradually found wide use in pla...
http://www.polymer.cn/research/dis_info11186 |
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Comparison of human articular cartilage and polyvinyl alcohol hydrogel as artificial cartilage in microstructure analysis and unconfined compression
关键字：Biomaterial; Cartilage; Hydrogel; Microstructure; Compression
Many biomaterials have been developed to replace articular cartilage. Oneof these materials, polyvinyl alcohol (PVA) hydrogel is proposed to be used asartificial cartilage in joint replacement. To better understand the differences betweenhuman&n...
http://www.polymer.cn/research/dis_info11177 |
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FLAME RETARDANT SYNERGISM OF NANO-SIZED SnO2 AND Sb2O3 IN FLEXIBLE PVC
关键字：PVC, flame retardant, synergism, thermal analysis, char yield, antimony oxide,tin dioxide
The use of nano-sized tin dioxides, antimony trioxides and their mixture as flame retardant for flexible PVC system is considered as means of enhancing the ability of flame retardancy. The flame retardant property of nano-sized&nb...
http://www.polymer.cn/research/dis_info8518 |
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Study on Post- polymerization of Poly(p-phenylenebenzobisoxazole) in Double Screw Extruder
关键字：poly(p-phenylenebenzobisoxazole)，double screw extruder polymerization，orthogonal analysis，kinetics of polymerization
Pre-polymer of Poly(p-phenylenebenzobisoxazole) (PBO) was prepared by the heterogeneous step-growth polycondenstion of 4,6-diaminoresorcinol hydrochloride（DAR•2HCl）with terephthalic acid（TA）in polyphosphoric acid（PPA）.The post-polymerization of pre-polymer of PBO occur...
http://www.polymer.cn/research/dis_info7136 |
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analysis of draw resonance in spinning processes using bifurcation theory
关键字：Draw resonance; Fiber spinning; Bifurcation theory; Supercritical Hopf bifurcation; Kinematic waves; indicator
draw resonance, one of major instabilities in polymer extensional deformation processes, e.g.,fiber spinning, film casting, film blowing, sets in as the draw ratio is increased beyond its critical value appears as sustained peri...
http://www.polymer.cn/research/dis_info5435 |
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An Investigation of the Grafting of Acrylic Acid onto Acrylic Fibers
关键字：Graft copolymerization; Acrylic fibers; Fourier transform infrared spectroscopy;Thermal analysis; Physical and mechanical properties.
The graft copolymerization of acrylic acid (AA) onto commercial acrylic fibers (PAN) has been studied using Azobis(isobutyro)nitrile (AIBN) as an initiator.
http://www.polymer.cn/research/dis_info5068 |
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2D Temperature field FEM analysis of mixer
关键字：Synchronous rotor finite element method temperature field four-wing boundary conditions finite element meshing
this text analyzed temperature field of mixer chamber and rubber with the FEM. The results useful for avoiding high temperature and optimization mixing conditions, improve mixer chamber’s structure and the quality of rubber etc.
http://www.polymer.cn/research/dis_info2426 |
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