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内容简介:本文使用Py-GC/MS技术在550 ℃条件下研究了杨树和PS的热解,以及它们在HZSM-5和Fe/HZSM-5上的热解情况。Py-GC/MS分析结果显示,在HZSM-5的催化下,杨树的热解中碳氢化合物的比例增加,含氧化合物的比例下降。在Fe/HZSM-5的催化下,杨树的热解更有利于酸类、醇类和酯类的生成。在杨树与PS经HZSM-5催化共热解过程中,呋喃和酮类等含氧化合物的相对含量显著降...
New research published by scientists at the Woods Hole Oceanographic Institution shows that polystyrene, one of the world's most ubiquitous plastics, may degrade in decades or centuries when exposed t...
In this study, the effects of pH on shear thickening behaviors were investigated based on concentrated dispersions consisting of polystyrene-ethylacrylate (PSt- EA) copolymer nanospheres. The pH valu...
Graphite oxide, graphene, ZrO2-loaded graphene and b-Ni(OH)2-loaded graphene (joint appellation:Gs) were prepared and incorporated into polystyrene so as to improve the fire safety properties of polys...
Materials subject to cyclic stress can succumb to fatigue, causing failure at stress levels much lower than those in static loading cases. Herein we discussed the viscoelastic behaviors of polystyrene...
A polystyrene film spun onto polished silicon substrates was implanted with either nitrogen or argon ions using plasma immersion ion implantation (PIII) and subsequently investigated by X-ray and neut...
Preparation of polystyrene (PS)-montmorillonite nanocomposites was carried out in 3 steps: purification and determination of the cation exchange capacity (CEC) of clay, synthesis of organoclay, and pr...
Abrasive is the one of key influencing factors during chemical mechanical polishing(CMP) process. Currently, α-Alumina (α-Al2O3) particle, as a kind of abrasive, has been widely used in CMP slurries, ...
A polystyrene coated quartz crystal nanobalance (QCN) sensor was developed for use in the determination of a number of linear short-chain aliphatic aldehyde and ketone vapors contained in air. The qua...
Background and aim: Noise pollution is one of the main cause of occupational hearing loss. According to WHO reports in many countries workers have been exposed to 85 - 90 dB noise level. The purpose o...
A simple technique has been developed to prepare core colloids that are modified using zirconium oxychloride, based on heating a solution of core colloid composites, consisting of poly (ethylenimine) ...
A starved feed reactor (SFR) is a semi-batch polymerization reactor where initiator and monomer are fed slowlyinto a fixed amount of solvent. The polymerization is carried out isothermally at elevat...
The solubility of styrene from polystyrene in supercritical carbon dioxide is measured at 323 K, 333 K, and 343 K in the pressure range from 12 to 28 MPa. Based on the association concept and the the...
The Structure of Thin Films of Polyaniline/Polystyrene Polymer Blends Studied by SIMS.
期刊信息 篇名 Miscibility enhancement of modified polystyrene blends with a liquid crystalline polymer 语种 英文 撰写或编译 撰写 作者 Jiasong He,Jie Liu 第一作者单位 中国科学院化学研究所 刊物名称 Polymer, 40, 959 (1999) 页面 出版日期 1999年 月 日 文...

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