| |
Synthesis and structural study of poly(thioether imide)s based on Aromatic heterocyclic diimide
关键字：Aromatic heterocyclic chlorodiimide, Thermal stability, Fluorescencen properties
Novel poly(thioether imide)s were prepared from aromatic heterocyclic chlorodiimids and 1,6-hexanediol by a nucleophilic substitution reaction in the presence of alkali catalysts. All the polycondensation proceeded smoothly in DMAc and the polym...
http://www.polymer.cn/research/dis_info11675 |
| |
Crystallization behaviors and electro-spinnability of UPM/PHBV blended polyester
关键字：Electrospinning,Poly(3-hydroxybutyrate-co-3-hydroxyvalerate),unsaturated polyester macromonomor
Poly(3-hydroxybutyrate-co-hydroxyvalerate) (PHBV) was blended into unsaturated polyester macromonomers (UPM) with the ratio of 80PHBV/ 20UPM . Optical microscopy (OM) was used to study the crystallization behaviour of PHBV/ UPM blends. Experimental&n...
http://www.polymer.cn/research/dis_info11646 |
| |
Preparation of high performance biobased composites from poly(lactic acid) and microcrystalline cellulose
关键字：poly(lactic acid),microcrystalline cellulose,composites
The high performance biobased composites were prepared from poly (lactic acid) (PLA) and microcrystalline cellulose (MC) fibers by graft modification. The morphology, mechanical and thermodynamic propertiesof the composites were investigated. Fourier...
http://www.polymer.cn/research/dis_info11574 |
| |
Crystallization kinetics and miscibility of iPP/PcBR blends
关键字：blends,isotactic polypropylene,poly(cis-butadiene),crystallization kinetics,miscibility
Isotactic polypropylene/poly(cis-butadiene) rubber (iPP/PcBR) blends were prepared by melt mixing. Non-isothermal crystallization and miscibility for neat iPP and blends of iPP/PcBR were investigated by differential scanning calorimetry (DSC). The presenc...
http://www.polymer.cn/research/dis_info11561 |
| |
Thermal degradation kinetics of poly (p-phenylene terephthalamide) fiber measured by thermogravimetry
关键字：PPTA,thermal degradation,kinetics parameter,TG
Thermogravimetry analysis (TG) technique has been performed for evaluating the thermal degradation and the kinetics parameters of Poly (p-phenylene terephthalamide) (PPTA) fiber from 25 to 900℃ under nitrogen and air atmosphere. The decomp...
http://www.polymer.cn/research/dis_info11549 |
| |
Study on rheological property of different poly (phenylene sulfide)s materials
关键字：poly (phenylene sulfide); rheology; processing
Steady shear flow properties of different poly(phenylene sulfide)s materials were examined using a capillaryrheometer. Studies were carried out in the temperature range of 310 °C to 360 °C and shear rate range of 100s-1 to ...
http://www.polymer.cn/research/dis_info11463 |
| |
Effect of hyperbranched poly(ester amide) on non-isothermal crystallization of polypropylene
关键字：Non-isothermal crystallization; Polypropylene nucleation; Hyperbranched polymer
Blends of polypropylene (PP)/ hyperbranched poly(ester amide) with various contents (0-5wt%) of hyperbranched poly(ester amide) were prepared on a twin-screw extruder. The non-isothermal crystallization behavior and the crystallization morphology were&nbs...
http://www.polymer.cn/research/dis_info11457 |
| |
Study on the blending of poly(3-hydroxybutyrate-co-3-hydroxyvalerate)(PHBV) and hyperbranched polyesteramide(HBPEA)
关键字：PHBV；hyperbranched；spinnability；viscosity；mechanical properties
Poly(3-hydroxybutyrate-co-3-hydroxyvalerate)(PHBV) is a family of bacterially derived polyesters.However, its tackiness of monofilament and confined window of processing temperature have limited the processing and application of PHBV fibers. In this paper...
http://www.polymer.cn/research/dis_info11447 |
| |
Changes in the physical and chemical properties of bisphenol a poly(carbonate) during multiple processing cycles
Bisphenol A poly(carbonate) (PC) pellets used for production of 5 gallon drink water bottles were reprocessed in a twin-screw extruder for three processing cycles which simulated to those of PC bottle processing conditions. The re...
http://www.polymer.cn/research/dis_info11415 |
| |
Amine-functionalized poly(styrene-ethylene/butylene-styrene)(SEBS) block copolymer as the compatilizer of bisphenol a polycarbonate (PC)/SEBS blends
In this work, maleic anhydride (MAH) was blended withpoly(styrene-ethylene/butylene-styrene) (SEBS) block copolymer to prepare MAH-g-SEBS. Then the MAH-g-SEBS copolymer was blended with excess of liquid 1-(2-aminoethyl)piperazine in twin screw extruder&nb...
http://www.polymer.cn/research/dis_info11364 |
| |