POLYETHYLENES

作品数：9被引量：9H指数：2
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相关期刊：《Chinese Journal of Polymer Science》《Journal of Hydrodynamics》《National Science Review》《Transactions of Tianjin University》更多>>
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Synthesis of Polyethylenes with In-Chain Isolated Carbonyls from CO_(2)and Ethylene via a Tandem Photoreduction/Polymerization Protocol
《CCS Chemistry》2024年第6期1591-1599,共9页Fulin Zhou Haojie Dai Shan Tang Yongfeng Zhou 
supported by the National Natural Science Foundation of China(grant nos.21890730,21890733,and 22231007);the Program for Basic Research of Shanghai Science and Technology Commission(grant no.19JC1410400);the Fundamental Research Funds for the Central Universities(grant no.23X010301599);the Shanghai Pujiang Program(grant no.21PJ1406500);the China Postdoctoral Science Foundation(grant no.2022M722073).
Aiming at accessing polyethylene-bearing in-chain degradable functionality,copolymerization of carbon dioxide(CO_(2))with ethylene has long been recognized as a significant but highly challenging transformation.Nevert...
关键词：carbon dioxide coordination polymerization polyethylene PHOTOREDUCTION PHOTODEGRADATION 
Photodegradable polar-functionalized polyethylenes被引量：4
《National Science Review》2023年第7期119-128,共10页Chaoqun Wang Jian Xia Yuxing Zhang Xiaoqiang Hu Zhongbao Jian 
supported by the National Natural Science Foundation of China(22122110 and 21871250);the Jilin Provincial Science and Technology Department Program(20230101347JC)。
The degradation of plastics has attracted much attention from the global community.Polyethylenes(PEs),as the most abundant synthetic plastics,are most frequently studied.PE is non-degradable and non-polar because of t...
关键词：degradable plastic homogeneous catalysis C1 chemistry non-alternating copolymerization POLYOLEFIN 
Hydroxyl-terminated Polyethylenes Bearing Functional Side Groups:Facile Synthesis and Their Properties
《Chinese Journal of Polymer Science》2021年第8期994-1003,I0006,共11页Wan-Bin Zhang Jie Luo Yan-Meng Wang Xiu-Zhong Zhu Ce Zhang Jing Liu Mei-Le Ni Guang-Hua Zhang 
the financial support from the National Natural Science Foundation of China(Nos.51803111,31670596 and 11904220);the Natural Science Foundation of Shaanxi province(Nos.2019JQ-786 and 2020GY-232).
A series of hydroxyl-terminated polyethylenes(HTPE)bearing various functional side groups(e.g.carboxyl,ester and butane groups)were synthesized by the combination of ring opening metathesis polymerization(ROMP)and vis...
关键词：POLYETHYLENE Ring-opening metathesis polymerization Thiol-ene reaction POLYBUTADIENE Structure property relationships 
Performance of Methanol-to-Olefins Catalytic Reactions by the Addition of PEG in the Synthesis of SAPO-34被引量：1
《Transactions of Tianjin University》2017年第6期501-510,共10页Yaquan Wang Zhao Wang Chao Sun Hengbao Chen Hongyao Li Haoyang Li 
supported by the National Natural Science Foundation of China(No.21276183)
SAPO-34, a silicoaluminophosphate zeolite, has been synthesized by the hydrothermal method with the addition of different molecular weights of polyethylene glycol (PEG), and has been characterized with XRD, SEM, N2ads...
关键词：Catalysis Catalyst selectivity Catalysts Chain length CHAINS DESORPTION Methanol Molecular weight Nanostructures OLEFINS Particle size Polyethylene glycols POLYETHYLENES Zeolites 
Hot-Drawing of Ultrahigh-Molecular-Weight Polyethylene Gel Films
《Journal of Shanghai University(English Edition)》2004年第1期101-108,共8页戚嵘嵘 朱清仁 周持兴 刘萌戈 周贵恩 
The three stages in the hot-drawing process of ultrahigh-molecular-weight polyethylene gel films can be detected by x-ray diffraction, infrared spectroscopy, birefringence and scanning electron microscopy. In the firs...
关键词：ultrahigh-molecular weight polyethylenes (UHMWPE) gel film hot-drawing morphological changes. 
ANALYSIS OF BRANCHING DISTRIBUTION IN POLYETHYLENES BY DIFFERENTIAL SCANNING CALORIMETRY被引量：1
《Chinese Journal of Polymer Science》2003年第2期231-239,共9页RobertShanks FeiChan GandaraAmarasinghe RobertShanks 
Short chain branching has been characterized using thermal fractionation, a stepwise isothermal crystallizationtechnique, followed by a melting analysis scan using differential scanning calorimetry. Short chain branch...
关键词：POLYETHYLENE Short chain branching Lamellar thickness Branch distribution Thermal fractionation DSC 
STRUCTURAL CHARACTERIZATION OF POLYETHYLENES BY DSC ANALYSIS AFTER CRYSTALLIZATION SEGREGATION
《Chinese Journal of Polymer Science》2000年第6期557-564,共8页徐懋 
This work was supported by the Science Foundation of Polymer Physics Laboratory, Chinese Academy of Sciences.
The molecular structure of polyethylene (PE) samples with various comonomers including propylene, I-butane and 1-hexene was investigated by DSC and C-13-NMR techniques. The density of the samples varies from 0.948 g/c...
关键词：POLYETHYLENE branch point distribution segment length distribution crystallization segregation DSC 
SHAPE MEMORY EFFECT OF SLIGHTLY-CROSSLINKED POLYETHYLENE被引量：1
《Chinese Journal of Polymer Science》1998年第2期155-163,共9页李凤奎 祝巍 张贤 赵春田 徐懋 
This work was financially supported by the National Natural Science Foundation of China and the Science Foundation of Polymer Physics Laboratory, Chinese Academy of Sciences.
A series of slightly crosslinked polyethylenes (SXLPE) was prepared by a one-step method using dicumyl peroxide as crosslinking agent in a Haake Mixer. The gel contents G (Soxhlet extracted) of the samples are in the...
关键词：POLYETHYLENES degree of crosslinking shape memory behavior 
ON ACOUSTIC PERFORMANCE OF MEASURING STRUCTURE FOR CAVITATION NOISE被引量：2
《Journal of Hydrodynamics》1991年第2期42-50,共9页Wu, Jian-hua  Chai, Gong-chun  Wang, He-sheng 
The acoustic performance of the structure for measuring cavitation noise is theoretically analysed, and two judging criteria of the acoustic performance of STW (sound transmission window) are presented in this paper. ...
关键词：Acoustic Waves Transmission GLASS Acoustic Properties HYDRODYNAMICS Fluid Structure Interaction POLYETHYLENES Acoustic Properties Water Waves 
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