Polymer Gels and Networks最新文献_第6页

Broadband dielectric relaxation spectroscopy in interpenetrating polymer networks of polyurethane-copolymer of butyl methacrylate and dimethacrylate triethylene glycol 宽带介电弛豫光谱在聚氨酯-甲基丙烯酸丁酯和二甲基丙烯酸三乙二醇共聚物互穿聚合物网络中的应用

Polymer Gels and Networks Pub Date : 1998-04-01 Epub Date: 1998-10-05 DOI: 10.1016/S0966-7822(97)00018-X

A. Kanapitsas , P. Pissis , L. Karabanova , L. Sergeeva , L. Apekis

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引用次数: 27

Monte-Carlo modeling of degradation of polymer networks 聚合物网络降解的蒙特卡罗模型

Polymer Gels and Networks Pub Date : 1998-04-01 Epub Date: 1998-10-05 DOI: 10.1016/S0966-7822(98)00004-5

Henryk Galina , Jaromir B. Lechowicz

引用次数: 8

Ara-C release from poly(acrylamide-co-monomethyl itaconate) hydrogels: in vitro and in vivo studies 聚(丙烯酰胺-共聚衣康酸单甲基)水凝胶中Ara-C的释放:体外和体内研究

Polymer Gels and Networks Pub Date : 1998-02-01 Epub Date: 1998-09-21 DOI: 10.1016/S0966-7822(98)00002-1

M.D. Blanco , C. Gómez , O. Garcı́a , J.M. Teijón

引用次数: 12

Other contents 其他内容

Polymer Gels and Networks Pub Date : 1998-02-01 Epub Date: 1998-09-21 DOI: 10.1016/S0966-7822(98)80003-8

引用次数: 0

Solute diffusion in hydrogels. 溶质在水凝胶中的扩散。

Polymer Gels and Networks Pub Date : 1998-02-01 Epub Date: 1998-09-21 DOI: 10.1016/S0966-7822(97)00012-9

Brian Amsden

引用次数: 116

On the intermolecular crosslinking of PVA chains in an aqueous solution by γ-ray irradiation γ射线辐照对水溶液中PVA链分子间交联的影响

Polymer Gels and Networks Pub Date : 1998-02-01 Epub Date: 1998-09-21 DOI: 10.1016/S0966-7822(98)00003-3

Benlian Wang , Makoto Kodama , Sukekuni Mukataka , Etsuo Kokufuta

{"title":"On the intermolecular crosslinking of PVA chains in an aqueous solution by γ-ray irradiation","authors":"Benlian Wang , Makoto Kodama , Sukekuni Mukataka , Etsuo Kokufuta","doi":"10.1016/S0966-7822(98)00003-3","DOIUrl":"10.1016/S0966-7822(98)00003-3","url":null,"abstract":"<div>We studied how the polymer chains of poly(vinyl alcohol)(PVA) are crosslinked in its O2-free aqueous solution by γ-rays. The static–dynamic laser light scattering method was employed for determining the molecular weight (Mw), hydrodynamic radius (Rh) and radius of gyration (Rg) for the original PVA (Mw=1.0×105) and its radiation products. The γ-ray irradiation from Co60 to the PVA solutions with different concentrations was performed at different dose levels. It was found that both molar mass and size (i.e., Rg and Rh) of the radiation products increased with a dose increase. The magnitude of these increases was enhanced by decreasing the polymer concentration (Cp). In particular, at Cp< the critical polymer concentration leading to microgel formation, very rapid increases in mass and size were observed even at a low dose level. In order to obtain more detailed information about the irradiation-induced crosslinking of PVA, we studied the dose dependence of the molar concentration of intermolecular crosslinks in the system as a function of Cp using the dose curves of Mw. It became apparent that, regardless of Cp, the intermolecular crosslinking reactions were dominant in the initial stage of irradiation. The radiation yield of intermolecular crosslinking was found to increase linearly when increasing Cp, and at Cp> the overlap concentration it asymptotically approached a limiting value estimated from the dimerization of pentane-2,4-diol as a model compound of PVA.</div>","PeriodicalId":20331,"journal":{"name":"Polymer Gels and Networks","volume":"6 1","pages":"Pages 71-81"},"PeriodicalIF":0.0,"publicationDate":"1998-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0966-7822(98)00003-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88150956","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: 45

Spatial information on a polymer gel as studied by 1H-NMR imaging 用核磁共振成像研究聚合物凝胶的空间信息

Polymer Gels and Networks Pub Date : 1998-02-01 Epub Date: 1998-09-21 DOI: 10.1016/S0966-7822(97)00011-7

Yoshio Hotta , Tomohiro Shibuya , Hidekazu Yasunaga , Hiromichi Kurosu , Isao Ando

引用次数: 9

Intranetwork phase separation in polyelectrolyte gels 聚电解质凝胶的网络内相分离

Polymer Gels and Networks Pub Date : 1998-02-01 Epub Date: 1998-09-21 DOI: 10.1016/S0966-7822(97)00020-8

Elena Yu. Kramarenko , Alexei R. Khokhlov

引用次数: 9

Contents of volume 6 第六卷内容

Polymer Gels and Networks Pub Date : 1998-01-01 Epub Date: 2002-09-24 DOI: 10.1016/S0966-7822(99)00005-2

引用次数: 0

Structural morphology developments in the interfacial phase of heterocoagulated composite particles: dynamic mechanical measurements 异凝固复合颗粒界面相的结构形态发展:动态力学测量

Polymer Gels and Networks Pub Date : 1997-04-01 Epub Date: 1998-05-19 DOI: 10.1016/S0966-7822(96)00038-X

Young-Jun Park, Hyun-Jae Ha, Jung-Hyun Kim

引用次数: 3