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Characterization of High Molecular Weight Acrylamide-Based Copolymers by DOSY-NMR Using High Field-Gradients 高场梯度DOSY-NMR表征高分子量丙烯酰胺基共聚物
Kobunshi Ronbunshu Pub Date : 2018-07-25 DOI: 10.1295/KORON.2018-0005
Kazuya Watanabe, K. Ute
{"title":"Characterization of High Molecular Weight Acrylamide-Based Copolymers by DOSY-NMR Using High Field-Gradients","authors":"Kazuya Watanabe, K. Ute","doi":"10.1295/KORON.2018-0005","DOIUrl":"https://doi.org/10.1295/KORON.2018-0005","url":null,"abstract":"Copolymers of [ 2 -( acryloyloxy ) ethyl ] trimethylammonium chloride ( AETAC ) and acrylamide ( AAm ) having weight - average molecular weights ( M w ’ s ) exceeding 10 million were analyzed by di ff usion - ordered two - dimensional spectroscopy ( DOSY ) using high fi eld - gradients ( ≤ 13T / m ) . Distribution curves of the self - di ff usion coe ffi cient D ) were successfully obtained for the copolymers, and the D values at the peak top ( D p ’ s ) correlated well with M w as D p = ( 1.86 × 10 ¹ 8 ) × M w – 0.749 . The distributions of D agreed fairly well with those determined by dynamic light scattering. The DOSYanalysis revealed the molecular weight dependence of the chemical composition of the copolymers; the relative AETAC content increased with decreasing molecular weight.","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78117780","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Synthesis of Particle Double-Network Gels by Redox Polymerization 氧化还原聚合法制备颗粒双网凝胶
Kobunshi Ronbunshu Pub Date : 2018-07-25 DOI: 10.1295/KORON.2018-0018
K. Kikuchi, Hirano Katsuhiko, Kouichi Kurosawa, Tetsuro Iijima, Hideaki Tamate, M. Kawakami, H. Furukawa
{"title":"Synthesis of Particle Double-Network Gels by Redox Polymerization","authors":"K. Kikuchi, Hirano Katsuhiko, Kouichi Kurosawa, Tetsuro Iijima, Hideaki Tamate, M. Kawakami, H. Furukawa","doi":"10.1295/KORON.2018-0018","DOIUrl":"https://doi.org/10.1295/KORON.2018-0018","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85311858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal Transition Behavior of Liquid-Crystalline Cholesterol Derivative/Aliphatic Amine Complexes and Enthalpy Relaxation Characteristics in Their Glassy State 液晶胆固醇衍生物/脂肪胺配合物的热转变行为及其玻璃态焓弛豫特性
Kobunshi Ronbunshu Pub Date : 2018-07-25 DOI: 10.1295/KORON.2018-0007
Kazuki Sugimura, K. Tsuda, Hiroyuki Arakawa, K. Seike, Yoshiharu Miyashita, Yoshikuni Teramoto, Y. Nishio
{"title":"Thermal Transition Behavior of Liquid-Crystalline Cholesterol Derivative/Aliphatic Amine Complexes and Enthalpy Relaxation Characteristics in Their Glassy State","authors":"Kazuki Sugimura, K. Tsuda, Hiroyuki Arakawa, K. Seike, Yoshiharu Miyashita, Yoshikuni Teramoto, Y. Nishio","doi":"10.1295/KORON.2018-0007","DOIUrl":"https://doi.org/10.1295/KORON.2018-0007","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87160893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Measuring the Temperature and Humidity Dependence of Gas Diffusivity in Building Coatings by Using a Using Thermal Desorption System 用热解吸系统测量建筑涂料中气体扩散系数的温度和湿度依赖性
Kobunshi Ronbunshu Pub Date : 2018-07-25 DOI: 10.1295/koron.2018-0001
R. Kitagaki
{"title":"Measuring the Temperature and Humidity Dependence of Gas Diffusivity in Building Coatings by Using a Using Thermal Desorption System","authors":"R. Kitagaki","doi":"10.1295/koron.2018-0001","DOIUrl":"https://doi.org/10.1295/koron.2018-0001","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77629008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Kneading and Composition on the Structure and Physical Properties of EPDM/PP Thermoplastic Elastomer 揉制和成分对EPDM/PP热塑性弹性体结构和物理性能的影响
Kobunshi Ronbunshu Pub Date : 2018-07-25 DOI: 10.1295/KORON.2017-0084
R. Iwabuchi, Daisuke Nagai, M. Yoneyama, H. Uehara, T. Yamanobe, M. Manaka
{"title":"Effect of Kneading and Composition on the Structure and Physical Properties of EPDM/PP Thermoplastic Elastomer","authors":"R. Iwabuchi, Daisuke Nagai, M. Yoneyama, H. Uehara, T. Yamanobe, M. Manaka","doi":"10.1295/KORON.2017-0084","DOIUrl":"https://doi.org/10.1295/KORON.2017-0084","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76336465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Structural Studies of Polymer Nano-Assemblies in Solution by Scattering Techniques 用散射技术研究溶液中聚合物纳米组件的结构
Kobunshi Ronbunshu Pub Date : 2018-07-25 DOI: 10.1295/KORON.2018-0003
Takahiro Sato, Yan Li
{"title":"Structural Studies of Polymer Nano-Assemblies in Solution by Scattering Techniques","authors":"Takahiro Sato, Yan Li","doi":"10.1295/KORON.2018-0003","DOIUrl":"https://doi.org/10.1295/KORON.2018-0003","url":null,"abstract":"Static light scattering, dynamic light scattering, and small - angle X - ray scattering are powerful tools to analyze structures of various polymer assemblies formed in solution. In this article, we brie fl y explain those experimental techniques along with their historical background, and review their applications to the following polymer solution systems: ( 1 ) associating homopolymer solutions, ( 2 ) aqueous solutions of the polyanion – polycation mixture forming polyion complex colloids, ( 3 ) block copolymer solutions forming polymer micelles of various morphologies, ( 4 ) aqueous solutions of amphiphilic random and alternating copolymers forming the fl ower micelle or fl ower necklace, and ( 5 ) aqueous solutions of the globular protein – surfactant mixture. Di ff erent scattering techniques are combined with other experimental and theoretical methods to provide more detailed structural information.","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82929166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Progress of Polymer Analysis 聚合物分析进展
Kobunshi Ronbunshu Pub Date : 2018-05-25 DOI: 10.1295/KORON.2018-0019
Takahiro Sato
{"title":"Progress of Polymer Analysis","authors":"Takahiro Sato","doi":"10.1295/KORON.2018-0019","DOIUrl":"https://doi.org/10.1295/KORON.2018-0019","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86391213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Temperature Dependent Photodegradation on Urethane Coatings for Building Materials in a Low Relative Humidity Environment 低相对湿度环境下建筑材料用聚氨酯涂料的温度依赖性光降解研究
Kobunshi Ronbunshu Pub Date : 2018-05-25 DOI: 10.1295/KORON.2017-0082
Takato Ishida, R. Kitagaki
{"title":"Temperature Dependent Photodegradation on Urethane Coatings for Building Materials in a Low Relative Humidity Environment","authors":"Takato Ishida, R. Kitagaki","doi":"10.1295/KORON.2017-0082","DOIUrl":"https://doi.org/10.1295/KORON.2017-0082","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72687525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of the Effects of Carbon Allotropes on the Pyrolysis of Polymers by Pyrolysis-Gas Chromatography/Mass Spectrometry 碳同素异形体对聚合物热解影响的热解-气相色谱/质谱分析
Kobunshi Ronbunshu Pub Date : 2018-05-25 DOI: 10.1295/KORON.2017-0085
Y. Nagai, Y. Kamiya, Takayuki Honda
{"title":"Analysis of the Effects of Carbon Allotropes on the Pyrolysis of Polymers by Pyrolysis-Gas Chromatography/Mass Spectrometry","authors":"Y. Nagai, Y. Kamiya, Takayuki Honda","doi":"10.1295/KORON.2017-0085","DOIUrl":"https://doi.org/10.1295/KORON.2017-0085","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91397097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Influence of Tetrahydrofuran and Alumina Nanoparticle Interface on the Structure of Syndiotactic Poly(methyl methacrylate) 四氢呋喃与氧化铝纳米颗粒界面对聚甲基丙烯酸甲酯结构的影响
Kobunshi Ronbunshu Pub Date : 2018-05-25 DOI: 10.1295/KORON.2017-0083
K. Matsuura, Y. Matsuda, S. Tasaka
{"title":"Influence of Tetrahydrofuran and Alumina Nanoparticle Interface on the Structure of Syndiotactic Poly(methyl methacrylate)","authors":"K. Matsuura, Y. Matsuda, S. Tasaka","doi":"10.1295/KORON.2017-0083","DOIUrl":"https://doi.org/10.1295/KORON.2017-0083","url":null,"abstract":"","PeriodicalId":17878,"journal":{"name":"Kobunshi Ronbunshu","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86293689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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