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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

Microspheres with thermo-responsive surface fabricated by poly(e--caprolactone-b-ethylene oxide-b-n-isopropylacrylamide) triblock copolymers
Poly(e-caprolactone-b-ethylene oxide-b-N-isopropylacrylamide ) (PCL-b-PEO-b-PNIPAAm) triblock copolymers were synthesized by combination the anionic ring-opening polymerization and reversible addition-fragmentation chain transfer (RAFT) polymerization. The lower critical solution...
http://www.polymer.cn/research/dis_info11339

Thermal properties and morphologies of poly(ethylene terephthalate) in blends with epoxidised natural rubber of 25 and 50 mole % of epoxy content
Abstract: Thermal properties and morphologies for polymer blends of poly(ethylene terephthalate) (PET) and epoxidised natural rubber with 25 mole % (ENR-25) and 50 mole % epoxy content (ENR-50) were studied by using differential ...
http://www.polymer.cn/research/dis_info11332

Crystalline structure of random poly(ethylene/trimethylene terephthalate) copolyester under isothermal crystallization conditions
Sequence distribution and crystal structure of poly(ethylene/trimethylene terephthalate)copolyesters and poly(ethylene/butylene terephthalate) copolyesters were studied [1,2]. The results showed that both of copolyesters were random copolymers. All compositions cou...
http://www.polymer.cn/research/dis_info11316

Preparation and Properties of Biodegradable Blends from Poly(3-hydroxybutyrate) and Modified Corn Starch
关键字：Poly(3-hydroxybutyrate), Corn starch, Graft copolymers, Blends
Poly(3-hydroxybutyrate) (PHB) is a biodegradable polyester produced by the fermentation of bacteria. However, it is a brittle and expensive material. To lower its cost, PHB was blended with the corn starch. Yet, due to their ...
http://www.polymer.cn/research/dis_info10769

Magnetic poly(PEGMA-MAA) nanoparticles:photochemical preparation and potential application in drug delivery
关键字：Magnetic nanoparticles; photochemical polymerization; ibuprofen; drug
Poly(PEGMA-MAA) coated superparamagnetic nanoparticles weresynthesized by in-situ photochemical polymerization in magnetite aqueous suspension under UV irradiation. The magnetic poly(PEGMA-MAA) nanoparticles were characterized by Fourier transform infrared spectroscopy(...
http://www.polymer.cn/research/dis_info10648

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