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NYLON 6 COMPOSITES REINFORCED WITH GLASS FIBER/ETHYLENE-MALEIC ANHYDRIDE COPOLYMER/MULTIWALLED CARBON NANOTUBE HYBRID STRUCTURES BY ELECTROSTATICAL ABSORPTION: NYLON 6 COMPOSITES REINFORCED WITH GLASS FIBER/ETHYLENE-MALEIC ANHYDRIDE COPOLYMER/MULTIWALLED CARBON NANOTUBE HYBRID STRUCTURES BY ELECTROS 静电吸收增强玻璃纤维/乙烯-马来酸酐共聚物/多壁碳纳米管杂化结构尼龙6复合材料:静电吸收增强玻璃纤维/乙烯-马来酸酐共聚物/多壁碳纳米管杂化结构尼龙6复合材料
IF 1.9 4区 化学 Q2 Chemistry Pub Date : 2013-11-08 DOI: 10.3724/SP.J.1105.2013.13014
Jin Jie, Chen Wei, Z. Ling, Li Chunzhong
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引用次数: 0
具有物理/化学双重交联结构可调的mZnO/PAAm纳米抗菌复合水凝胶的合成及性能 具有物理/化学双重交联结构可调的mZnO/PAAm纳米抗菌复合水凝胶的合成及性能
IF 1.9 4区 化学 Q2 Chemistry Pub Date : 2013-11-08 DOI: 10.3724/SP.J.1105.2013.13018
刘晟, 夏梦阁, 张燕, 江晓泽, 孟周琪, 武永涛, 成艳华, 朱美芳
利用聚甲基丙烯酸(PMAA)对市售具有300 nm尺寸的ZnO纳米粒子进行表面改性,并进一步利用改性后的ZnO纳米粒子(mZnO纳米粒子)和N, N'-亚甲基双丙酰胺(BIS)分别作为物理和化学交联点,经过氧化还原体系引发丙烯酰胺(AAm)聚合,制备出具有物理和化学双重交联结构的新型mZnO/PAAm抗菌水凝胶. 采用红外光谱(FTIR)、热重分析(TGA)、场发射扫描电镜(SEM)对mZnO纳米粒子和mZnO/PAAm纳米复合水凝胶进行表征,并通过压缩力学性能、溶胀性能和抗菌性能的测试研究所制备凝胶的性能.实验证明,通过PMAA的羧基与ZnO纳米粒子表面羟基的氢键复合,mZnO纳米粒子表面PMAA包覆率达到3.64 wt%,并在水溶液和凝胶体系中能够良好分散,在凝胶网络中起到物理交联点的作用. 同时,这类mZnO/PAAm纳米复合水凝胶的压缩性能和平衡溶胀率可通过调节水凝胶内部物理和/或化学交联点的含量分别实现在140~800 kPa和55%~170%的范围内调控,并且具有良好的抑菌效果. 这种新型抗菌凝胶制备为实现水凝胶的结构功能一体化提供了一种简单的方法.
利用聚甲基丙烯酸(PMAA)对市售具有300 nm尺寸的ZnO纳米粒子进行表面改性,并进一步利用改性后的ZnO纳米粒子(mZnO纳米粒子)和N, N'-亚甲基双丙酰胺(BIS)分别作为物理和化学交联点,经过氧化还原体系引发丙烯酰胺(AAm)聚合,制备出具有物理和化学双重交联结构的新型mZnO/PAAm抗菌水凝胶. 采用红外光谱(FTIR)、热重分析(TGA)、场发射扫描电镜(SEM)对mZnO纳米粒子和mZnO/PAAm纳米复合水凝胶进行表征,并通过压缩力学性能、溶胀性能和抗菌性能的测试研究所制备凝胶的性能.实验证明,通过PMAA的羧基与ZnO纳米粒子表面羟基的氢键复合,mZnO纳米粒子表面PMAA包覆率达到3.64 wt%,并在水溶液和凝胶体系中能够良好分散,在凝胶网络中起到物理交联点的作用. 同时,这类mZnO/PAAm纳米复合水凝胶的压缩性能和平衡溶胀率可通过调节水凝胶内部物理和/或化学交联点的含量分别实现在140~800 kPa和55%~170%的范围内调控,并且具有良好的抑菌效果. 这种新型抗菌凝胶制备为实现水凝胶的结构功能一体化提供了一种简单的方法.
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引用次数: 0
细菌纤维素晶须/聚(丙烯酸-丙烯酰胺)复合高吸水性树脂 细菌纤维素晶须/聚(丙烯酸-丙烯酰胺)复合高吸水性树脂
IF 1.9 4区 化学 Q2 Chemistry Pub Date : 2013-10-09 DOI: 10.3724/SP.J.1105.2013.12397
黄洋, 孙东平
利用硫酸水解细菌纤维素(BC)的方法制备具有一定长径比的细菌纤维素晶须(BCW), 利用TEM对其进行表征,发现BCW具有较好的单分散性.将细菌纤维素晶须(BCW)与丙烯酸、丙烯酰胺复合制备高吸水性树脂.根据Box-Behnken中心组合实验设计原理,采用三因素三水平的响应面分析法,对交联剂、引发剂以及晶须投加量进行优化组合,确定最佳配比,并构建了以饱和吸水倍率为函数,以各影响因素为变量的回归模型.经吸水性测试发现,添加量仅为0.05 wt%的BC晶须在合适的条件下吸水倍率可达自身重量的600倍左右,在盐溶液中也有较高的吸水性能.SEM形貌表征显示细菌纤维素晶须(BCW)的加入使得树脂网孔结构更加蓬松.红外光谱显示高吸水性树脂由聚丙烯酸、聚丙烯酰胺与纤维素晶须复合而成.
利用硫酸水解细菌纤维素(BC)的方法制备具有一定长径比的细菌纤维素晶须(BCW), 利用TEM对其进行表征,发现BCW具有较好的单分散性.将细菌纤维素晶须(BCW)与丙烯酸、丙烯酰胺复合制备高吸水性树脂.根据Box-Behnken中心组合实验设计原理,采用三因素三水平的响应面分析法,对交联剂、引发剂以及晶须投加量进行优化组合,确定最佳配比,并构建了以饱和吸水倍率为函数,以各影响因素为变量的回归模型.经吸水性测试发现,添加量仅为0.05 wt%的BC晶须在合适的条件下吸水倍率可达自身重量的600倍左右,在盐溶液中也有较高的吸水性能.SEM形貌表征显示细菌纤维素晶须(BCW)的加入使得树脂网孔结构更加蓬松.红外光谱显示高吸水性树脂由聚丙烯酸、聚丙烯酰胺与纤维素晶须复合而成.
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引用次数: 0
STUDIES ON PREPARATION CONDITIONS OF PET/PVA COMPOSITE ULTRAFILTRATION MEMBRANES BASED ON ELECTROSPINNING TECHNOLOGY: STUDIES ON PREPARATION CONDITIONS OF PET/PVA COMPOSITE ULTRAFILTRATION MEMBRANES BASED ON ELECTROSPINNING TECHNOLOGY 基于静电纺丝技术的pet / pva复合超滤膜制备条件研究:基于静电纺丝技术的pet / pva复合超滤膜制备条件研究
IF 1.9 4区 化学 Q2 Chemistry Pub Date : 2013-10-09 DOI: 10.3724/SP.J.1105.2013.12383
Yan-Jun Liu, Jiaona Wang, Congju Li
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引用次数: 1
A COMPARISON ON THE SYNERGISTIC FLAME-RETARDANT EFFECTS OF SDS-LDH AND CTAB-MMT WITH APP ON P(BA-VAc): A COMPARISON ON THE SYNERGISTIC FLAME-RETARDANT EFFECTS OF SDS-LDH AND CTAB-MMT WITH APP ON P(BA-VAc) SDS-LDH与CTAB-MMT与APP对P(BA-VAc)协同阻燃效果的比较:SDS-LDH与CTAB-MMT与APP对P(BA-VAc)协同阻燃效果的比较
IF 1.9 4区 化学 Q2 Chemistry Pub Date : 2013-10-09 DOI: 10.3724/SP.J.1105.2013.12421
Zhao Chun-xia, Peng Gang, Liu Bailing
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引用次数: 0
THE MECHANISM OF FORMING BIMODAL POLYETHYLENE BY BIS(IMINO)PYRIDYL IRON(II) PRECATALYST WITH TRIETHYLALUMINUM: THE MECHANISM OF FORMING BIMODAL POLYETHYLENE BY BIS(IMINO)PYRIDYL IRON(II) PRECATALYST WITH TRIETHYLALUMINUM 双(亚胺)吡啶铁(ii)预催化剂与三乙基铝形成双峰聚乙烯的机理:双(亚胺)吡啶铁(ii)预催化剂与三乙基铝形成双峰聚乙烯的机理
IF 1.9 4区 化学 Q2 Chemistry Pub Date : 2013-10-09 DOI: 10.3724/SP.J.1105.2013.12396
Wang Shibo, Liu Dongbing, Mao Bing-quan
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引用次数: 0
PREPARATION AND RELAXATION BEHAVIOR OF LAYERED DOUBLE HYDROXIDE MODIFIED PU/PMMA NANOCOMPOSITES: PREPARATION AND RELAXATION BEHAVIOR OF LAYERED DOUBLE HYDROXIDE MODIFIED PU/PMMA NANOCOMPOSITES 层状双氢氧化物改性pu / pmma纳米复合材料的制备及其弛豫行为:层状双氢氧化物改性pu / pmma纳米复合材料的制备及其弛豫行为
IF 1.9 4区 化学 Q2 Chemistry Pub Date : 2013-10-09 DOI: 10.3724/SP.J.1105.2013.13015
Yuan Wen-wen, Fu Huakang, Zhang De-zhi, Du Miao, Z. Qiang
{"title":"PREPARATION AND RELAXATION BEHAVIOR OF LAYERED DOUBLE HYDROXIDE MODIFIED PU/PMMA NANOCOMPOSITES: PREPARATION AND RELAXATION BEHAVIOR OF LAYERED DOUBLE HYDROXIDE MODIFIED PU/PMMA NANOCOMPOSITES","authors":"Yuan Wen-wen, Fu Huakang, Zhang De-zhi, Du Miao, Z. Qiang","doi":"10.3724/SP.J.1105.2013.13015","DOIUrl":"https://doi.org/10.3724/SP.J.1105.2013.13015","url":null,"abstract":"","PeriodicalId":7133,"journal":{"name":"高分子学报","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2013-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79617956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
SYNTHESIS AND ADSORPTION PROPERTIES FOR Pb(II) OF A CHELATING RESIN CONTAINING QUATERNARY AMMONIUM SALT: SYNTHESIS AND ADSORPTION PROPERTIES FOR Pb(II) OF A CHELATING RESIN CONTAINING QUATERNARY AMMONIUM SALT 含季铵盐螯合树脂对铅(II)的合成及吸附性能:含季铵盐螯合树脂对铅(II)的合成及吸附性能
IF 1.9 4区 化学 Q2 Chemistry Pub Date : 2013-10-09 DOI: 10.3724/SP.J.1105.2013.12437
Zhang Tianlin, W. Jiajia, Zhu Cai-yan, Ma Huimin
{"title":"SYNTHESIS AND ADSORPTION PROPERTIES FOR Pb(II) OF A CHELATING RESIN CONTAINING QUATERNARY AMMONIUM SALT: SYNTHESIS AND ADSORPTION PROPERTIES FOR Pb(II) OF A CHELATING RESIN CONTAINING QUATERNARY AMMONIUM SALT","authors":"Zhang Tianlin, W. Jiajia, Zhu Cai-yan, Ma Huimin","doi":"10.3724/SP.J.1105.2013.12437","DOIUrl":"https://doi.org/10.3724/SP.J.1105.2013.12437","url":null,"abstract":"","PeriodicalId":7133,"journal":{"name":"高分子学报","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2013-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74844639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
NON-ISOTHERMAL CURE KINETICS OF MESOGEN-JACKETED LIQUID CRYSTAL POLYMER PBPCS MODIFIED EPOXY RESIN: NON-ISOTHERMAL CURE KINETICS OF MESOGEN-JACKETED LIQUID CRYSTAL POLYMER PBPCS MODIFIED EPOXY RESIN 介元夹套液晶聚合物PBPCS改性环氧树脂的非等温固化动力学:介元夹套液晶聚合物PBPCS改性环氧树脂的非等温固化动力学
IF 1.9 4区 化学 Q2 Chemistry Pub Date : 2013-10-09 DOI: 10.3724/SP.J.1105.2013.12420
L. Xiao-jing, Chai Chunpeng, Li Chang-feng, L. Guoping, Luo Yunjun, Fan Xinghe, Shen Zhihao, Zhou Qifeng
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引用次数: 3
PREPARATION OF SULFATED CHITOSAN/POLYLYSINE/TRANSFORM GROWTH FACTOR-β1 NANOPARTICLES AND THEIR ABILITY TO INDUCE CHONDROGENESIS DIFFERENTIATION OF BMSCs: PREPARATION OF SULFATED CHITOSAN/POLYLYSINE/TRANSFORM GROWTH FACTOR-β1 NANOPARTICLES AND THEIR ABILITY TO INDUCE CHONDROGENESIS DIFFERENTIATION OF 硫酸壳聚糖/聚赖氨酸/转化生长因子-β1纳米颗粒的制备及其诱导骨髓间充质干细胞成软骨分化的能力:硫酸壳聚糖/聚赖氨酸/转化生长因子-β1纳米颗粒的制备及其诱导骨髓间充质干细胞成软骨分化的能力
IF 1.9 4区 化学 Q2 Chemistry Pub Date : 2013-10-09 DOI: 10.3724/SP.J.1105.2013.12425
Liu Fei-fei, Wang Qiu-wen, Ma Lie, Gao Chang-you
采用共沉淀法制备了复合转化生长因子-1(TGF-1)的磺化壳聚糖/聚赖氨酸纳米粒子(SCS/PLL/TGF-1),研究了磺化壳聚糖的浓度对纳米粒子粒径和表面电位的影响.所得纳米微粒的粒径在240~290 nm、表面电位在-0.4~-1.3 mV之间可调.采用透射电子显微镜表征了磺化壳聚糖/聚赖氨酸(SCS/PLL)和SCS/PLL/TGF-1纳米粒子的形貌.通过体外骨髓间充质干细胞(BMSCs)培养实验,分别考察了SCS/PLL/TGF-1纳米粒子对BMSCs的增殖、氨基葡聚糖(GAGs)分泌和Ⅱ型胶原基因表达的影响.结果显示,相对于等量的SCS/PLL或同浓度的自由TGF-1,SCS/PLL/TGF-1纳米粒子可有效保护TGF-1的活性,促进BMSCs向软骨细胞分化,可望应用于软骨修复材料等领域的研究.
采用共沉淀法制备了复合转化生长因子-1(TGF-1)的磺化壳聚糖/聚赖氨酸纳米粒子(SCS/PLL/TGF-1),研究了磺化壳聚糖的浓度对纳米粒子粒径和表面电位的影响.所得纳米微粒的粒径在240~290 nm、表面电位在-0.4~-1.3 mV之间可调.采用透射电子显微镜表征了磺化壳聚糖/聚赖氨酸(SCS/PLL)和SCS/PLL/TGF-1纳米粒子的形貌.通过体外骨髓间充质干细胞(BMSCs)培养实验,分别考察了SCS/PLL/TGF-1纳米粒子对BMSCs的增殖、氨基葡聚糖(GAGs)分泌和Ⅱ型胶原基因表达的影响.结果显示,相对于等量的SCS/PLL或同浓度的自由TGF-1,SCS/PLL/TGF-1纳米粒子可有效保护TGF-1的活性,促进BMSCs向软骨细胞分化,可望应用于软骨修复材料等领域的研究.
{"title":"PREPARATION OF SULFATED CHITOSAN/POLYLYSINE/TRANSFORM GROWTH FACTOR-β1 NANOPARTICLES AND THEIR ABILITY TO INDUCE CHONDROGENESIS DIFFERENTIATION OF BMSCs: PREPARATION OF SULFATED CHITOSAN/POLYLYSINE/TRANSFORM GROWTH FACTOR-β1 NANOPARTICLES AND THEIR ABILITY TO INDUCE CHONDROGENESIS DIFFERENTIATION OF","authors":"Liu Fei-fei, Wang Qiu-wen, Ma Lie, Gao Chang-you","doi":"10.3724/SP.J.1105.2013.12425","DOIUrl":"https://doi.org/10.3724/SP.J.1105.2013.12425","url":null,"abstract":"采用共沉淀法制备了复合转化生长因子-1(TGF-1)的磺化壳聚糖/聚赖氨酸纳米粒子(SCS/PLL/TGF-1),研究了磺化壳聚糖的浓度对纳米粒子粒径和表面电位的影响.所得纳米微粒的粒径在240~290 nm、表面电位在-0.4~-1.3 mV之间可调.采用透射电子显微镜表征了磺化壳聚糖/聚赖氨酸(SCS/PLL)和SCS/PLL/TGF-1纳米粒子的形貌.通过体外骨髓间充质干细胞(BMSCs)培养实验,分别考察了SCS/PLL/TGF-1纳米粒子对BMSCs的增殖、氨基葡聚糖(GAGs)分泌和Ⅱ型胶原基因表达的影响.结果显示,相对于等量的SCS/PLL或同浓度的自由TGF-1,SCS/PLL/TGF-1纳米粒子可有效保护TGF-1的活性,促进BMSCs向软骨细胞分化,可望应用于软骨修复材料等领域的研究.","PeriodicalId":7133,"journal":{"name":"高分子学报","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2013-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82653637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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高分子学报
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