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Journal of Polymer and Biopolymer Physics Chemistry最新文献

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Establishment of the Flory-Fox Equation and Corroboration of the Fox Equation for Poly(2-vinylpyridine) (P2VP) Using Differential Scanning Calorimetry (DSC) 使用差示扫描量热法 (DSC) 建立聚（2-乙烯基吡啶）(P2VP) 的 Flory-Fox 方程并证实 Fox 方程
Journal of Polymer and Biopolymer Physics Chemistry Pub Date : 2024-03-21 DOI: 10.12691/jpbpc-12-1-1
Ronald P. D’Amelia, Evan H. Kreth
{"title":"Establishment of the Flory-Fox Equation and Corroboration of the Fox Equation for Poly(2-vinylpyridine) (P2VP) Using Differential Scanning Calorimetry (DSC)","authors":"Ronald P. D’Amelia, Evan H. Kreth","doi":"10.12691/jpbpc-12-1-1","DOIUrl":"https://doi.org/10.12691/jpbpc-12-1-1","url":null,"abstract":"","PeriodicalId":386309,"journal":{"name":"Journal of Polymer and Biopolymer Physics Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140223533","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
Establishment of the Flory-Fox Equation for Polymethyl Methacrylate (PMMA) Using Differential Scanning Calorimetry (DSC) and Determination of Tacticity Using Quantitative Proton Nuclear Magnetic Resonance Spectroscopy (qHNMR) 差示扫描量热法(DSC)建立聚甲基丙烯酸甲酯(PMMA)的Flory-Fox方程及定量质子核磁共振谱法(qHNMR)测定含量
Journal of Polymer and Biopolymer Physics Chemistry Pub Date : 2023-07-12 DOI: 10.12691/jpbpc-11-1-1
Ronald P. D’Amelia, Evan H. Kreth
{"title":"Establishment of the Flory-Fox Equation for Polymethyl Methacrylate (PMMA) Using Differential Scanning Calorimetry (DSC) and Determination of Tacticity Using Quantitative Proton Nuclear Magnetic Resonance Spectroscopy (qHNMR)","authors":"Ronald P. D’Amelia, Evan H. Kreth","doi":"10.12691/jpbpc-11-1-1","DOIUrl":"https://doi.org/10.12691/jpbpc-11-1-1","url":null,"abstract":"","PeriodicalId":386309,"journal":{"name":"Journal of Polymer and Biopolymer Physics Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130542126","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
An Experimental Review: Evaluation of the Flory-Fox Equation for the Relationship of Glass Transition Temperature (Tg) vs Molar Mass of Polystyrene Using Differential Scanning Calorimetry (DSC) 用差示扫描量热法(DSC)评价聚苯乙烯玻璃化转变温度(Tg)与摩尔质量关系的Flory-Fox方程
Journal of Polymer and Biopolymer Physics Chemistry Pub Date : 2022-08-25 DOI: 10.12691/jpbpc-10-1-2
Ronald P. D’Amelia, Brandon Khanyan
{"title":"An Experimental Review: Evaluation of the Flory-Fox Equation for the Relationship of Glass Transition Temperature (Tg) vs Molar Mass of Polystyrene Using Differential Scanning Calorimetry (DSC)","authors":"Ronald P. D’Amelia, Brandon Khanyan","doi":"10.12691/jpbpc-10-1-2","DOIUrl":"https://doi.org/10.12691/jpbpc-10-1-2","url":null,"abstract":"","PeriodicalId":386309,"journal":{"name":"Journal of Polymer and Biopolymer Physics Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115012481","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
Synthesis and Characterization of Polyvinyl Alkyl Ester and Polyvinyl Alcohol Homopolymers and Blends of Polyvinyl Alkyl Esters 聚乙烯醇、聚乙烯醇均聚物及聚乙烯醇共混物的合成与表征
Journal of Polymer and Biopolymer Physics Chemistry Pub Date : 2020-04-02 DOI: 10.1021/scimeetings.0c00921
R. P. D'amelia, Joseph Mancuso Masashi W. Kimura
{"title":"Synthesis and Characterization of Polyvinyl Alkyl Ester and Polyvinyl Alcohol Homopolymers and Blends of Polyvinyl Alkyl Esters","authors":"R. P. D'amelia, Joseph Mancuso Masashi W. Kimura","doi":"10.1021/scimeetings.0c00921","DOIUrl":"https://doi.org/10.1021/scimeetings.0c00921","url":null,"abstract":"","PeriodicalId":386309,"journal":{"name":"Journal of Polymer and Biopolymer Physics Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115710154","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
The Characterization of Poly n-Vinyl Pyrrolidone-Polyvinyl Acetate (PVP-PVAc) Copolymers and Blends by Nuclear Magnetic Resonance Spectroscopy, Fourier Transform Infrared Spectroscopy, and Elemental Analysis 核磁共振光谱、傅里叶变换红外光谱和元素分析表征聚n-乙烯基吡啶酮-聚醋酸乙烯酯共聚物和共混物
Journal of Polymer and Biopolymer Physics Chemistry Pub Date : 2019-06-12 DOI: 10.12691/JPBPC-7-1-1
R. P. D'amelia, J. Mancuso, William F. Nirode
{"title":"The Characterization of Poly n-Vinyl Pyrrolidone-Polyvinyl Acetate (PVP-PVAc) Copolymers and Blends by Nuclear Magnetic Resonance Spectroscopy, Fourier Transform Infrared Spectroscopy, and Elemental Analysis","authors":"R. P. D'amelia, J. Mancuso, William F. Nirode","doi":"10.12691/JPBPC-7-1-1","DOIUrl":"https://doi.org/10.12691/JPBPC-7-1-1","url":null,"abstract":"The determination of the composition of PVP-PVAc copolymers and blends is essential for knowing their polymeric properties and appropriate applications. In order to create a streamlined way to quantify the composition of PVP-PVAc copolymers and blends, the qNMR methodology alongside FTIR and elemental analysis were used to develop calibration curves for industrial use. We report on the methodologies used to determine % PVP content in the copolymers and blends in question as well as the results obtained via NMR, FTIR, and elemental analysis. Results from the NMR analysis were corroborated with calibration curves used to determine % PVP composition using FTIR and were further corroborated with elemental analysis results. The PVP-PVAc copolymers used ranged from 30 to 70 mol% PVP and the blends ranged from 20 to 80 weight% PVP.","PeriodicalId":386309,"journal":{"name":"Journal of Polymer and Biopolymer Physics Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123263942","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: 5
PFG-NMR Studies of Linear and Dendritic Polymers 线性和树突状聚合物的PFG-NMR研究
Journal of Polymer and Biopolymer Physics Chemistry Pub Date : 2018-10-10 DOI: 10.12691/jpbpc-6-1-3
J. E. Hanson, S. Alkan, Hershel H. Lackey, J. B. Cain
{"title":"PFG-NMR Studies of Linear and Dendritic Polymers","authors":"J. E. Hanson, S. Alkan, Hershel H. Lackey, J. B. Cain","doi":"10.12691/jpbpc-6-1-3","DOIUrl":"https://doi.org/10.12691/jpbpc-6-1-3","url":null,"abstract":"Diffusion coefficients were measured by pulsed-field gradient NMR for low molecular weight linear polystyrenes in THF and for a broader molecular weight range of linear polystyrenes in chloroform and for PAMAM dendrimers up to generation methanol. Radii were calculated from the measured diffusion coefficients using the Stokes-Einstein relationship. The linear polystyrenes displayed a relationship between radius and molecular weight that followed the expected power law. From simple theoretical considerations, the dendritic polymers were expected to follow a logarithmic relationship between radius and molecular weight. The PAMAM dendrimers gave reasonable fits to both a power law and a logarithmic relationship from generation 0 to generation 3 (the power law gave a slightly better fit), but displayed a turnover with generation 4, which gave a smaller Stokes radius than generation 3. These results were compared with earlier results from poly (aryl ether) monodendrons, where the relationship was ambiguous between a power law and a logarithmic relationship.","PeriodicalId":386309,"journal":{"name":"Journal of Polymer and Biopolymer Physics Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116073846","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
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