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Mechanisms of nucleation and crystal growth in a nascent isotactic polypropylene/poly (ethylene-co-octene) inreactor alloy investigated by temperatureresolved synchrotron SAXS and DSC methods
The in-reactor alloying isotactic polypropylene (iPP) with polyolefin copolymers (e.g., ethylene and other α-olefins copolymer) by sequential multi-stage polymerization has been proved superior both in polymer propertiesand in production cost. The&n...
http://www.polymer.cn/research/dis_info16924 |
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Effect of long chain branches on the foaming behavior of polypropylene-g-poly(ethylene-co-1-butene) graft copolymers with well-defined molecular structures
Isotactic polypropylene (iPP) foams have gained growing interest in recent years due to its outstanding physical and chemical properties.
http://www.polymer.cn/research/dis_info16730 |
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Effect of calcination temperature of nanostructure Sb doped tin oxide (ATO) on electrical conductivity
关键字：antimony doped tin oxide, electrical conductivity, co-precipitation
Highly dispersed antimony doped tin oxide was prepared with SnCl4·5H2O and SbCl3 in anhydrous ethanol solution by co-precipitation method. XRD, FTIR and FESEM were employed to characterize structure and morphology of the product. Calc...
http://www.polymer.cn/research/dis_info14056 |
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A novel precursor polymer for continuous SiBN(C) ceramic fiber via co-condensation of B(NHCH3)3 and Si(NHCH3)4
关键字：SiB(C)N precursor; SiB(C)N fibers; melt-spinning
A novel polyborosilazane precursor was synthesized by co-condensation route of B(NHCH3)3 and Si(NHCH3)4. The resulted polymer is a soluble yellow transparent fusant. The backbone of the polymer was mainly made of –Si-N-B-bridge with s...
http://www.polymer.cn/research/dis_info13979 |
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WELL-DEFINED BIOCOMPATIBLE ABC MIKTOARM STAR POLYPEPTIDE HYBRID TERPOLYMERS FOR DRUG AND GENE CO-DELIVERY
关键字：Miktoarm star polypeptide, drug and gene codelivery, biocompatible, and PLL.
Well-defined ABC miktoarm star terpolymer consisting of biocompatible poly(ethylene oxide), poly(ε-benzyloxycarbonyl-L-lysine), and poly (ε-caprolactone) arms, PEO(-b-PZLL)-b-PCL, was synthesized via the combination of consecutive click reactions and ring-opening ...
http://www.polymer.cn/research/dis_info13882 |
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NANOPARTICLE-BASED TARGET BIOCHEMOTHERAPY FOR HER2/ neu+ BREAST TUMORS
关键字：HER2/neu+ breast cancer, Nanoparticle P(MDS-co-CES) ; Herceptin, Targeted drug delivery; Biochemotherapy
Breast cancer is the leading cause of death for women in many countries. Patients with breast tumors overexpressing HER2/neu have decreased overall survival, By using a newly developed multifunctional nanoparticle P(MDS-co-CES) to co-delive...
http://www.polymer.cn/research/dis_info13861 |
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Structure and properties of low-dielectric-constant poly(styrene-co-octavinyl-polyhedral oligomeric silsesquioxane) hybrid nanocomposite
关键字：Low-dielectric-constant, hybrid nanocomposite,POSS
Low-dielectric-constant poly(styrene-co-octavinyl-polyhedral oligomeric silsesquioxane) (PS–POSS) rganic-inorganic hybrid nanocomposite was successfully synthesized via one-step free radical polymerization and haracterized by FTIR, high-resolution 1H NMR, 29Si NMR, DSC,&nbs...
http://www.polymer.cn/research/dis_info11765 |
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The influence of catalysts and stabilizing agents on the whiteness of biodegradable poly(butylene succinate-co-terephalate) (PBST) copolyesters
关键字：PBST copolyesters, direct esterification, catalysts, stabilizing agents, whiteness
In this study, a series of biodegradable aliphatic-aromatic poly(butylene succinate-co-terephthalate) (PBST)copolyesters were synthesized through the method of esterification/polycondensation from the starting materials of succinic acid, terephathalic acid and ...
http://www.polymer.cn/research/dis_info11440 |
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光引发制备P(MMA-co-MAA)微球
关键字：光引发 共聚 微球 单分散
聚合物微球具有表面积大、吸附性强、表面反应能力强等优异性能，在标准测量、油墨、生物化学和色谱填料等领域有广泛的应用[1-3]。目前，合成微球的方法有很多，但多采用加热方式引发。紫外光引发是一种有效的室温引发方式，具有能耗低、环保、操作性强等优点[4-5]，但在微球合成方面很少有人报道，更缺少有关共聚微球的报道，特别是采用低功率紫外灯引发聚合制备共聚微球的报道。本文在室温下通过低功率的8W紫外灯辐射引发自由基分...
http://www.polymer.cn/research/dis_info10117 |
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Prediction of the bivariate copolymer composition-molecular weight distribution of batch free-radical co-polymerization systems using Monte Carlo and sectional grid methods
The present study provides a comparative study on the simulation of batch free-radical copolymerization systems. Two different numerical methods, namely the stochastic Monte Carlo method and the 2D Fixed Pivot Technique, are used for&n...
http://www.polymer.cn/research/dis_info8673 |
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