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A Kind of Conveying Model of Partially Filled Fluid in a Non-Twin Screw Channel 一种非双螺杆通道部分充注流体的输送模型
Polymer Materials Science and Engineering Pub Date : 2018-01-01 DOI: 10.16865/J.CNKI.1000-7555.2018.08.015
Yu Huiwen, Wu Hongwu, Xu Baiping, Zhou Yanhui, Lan Yeqing, Wang Mei-gui
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引用次数: 0
Reversible Addition Fragmentation Chain-Transfer Polymerization 可逆加成破碎链转移聚合
Polymer Materials Science and Engineering Pub Date : 2006-01-01 DOI: 10.1007/springerreference_216117
Wang Wen-ying
{"title":"Reversible Addition Fragmentation Chain-Transfer Polymerization","authors":"Wang Wen-ying","doi":"10.1007/springerreference_216117","DOIUrl":"https://doi.org/10.1007/springerreference_216117","url":null,"abstract":"","PeriodicalId":20350,"journal":{"name":"Polymer Materials Science and Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78724829","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
Maleimide Functionalized Siloxane Resins 马来酰亚胺功能化硅氧烷树脂
Polymer Materials Science and Engineering Pub Date : 1999-04-01 DOI: 10.1557/PROC-576-15
Raef M. Shaltout, D. Loy, D. Wheeler
{"title":"Maleimide Functionalized Siloxane Resins","authors":"Raef M. Shaltout, D. Loy, D. Wheeler","doi":"10.1557/PROC-576-15","DOIUrl":"https://doi.org/10.1557/PROC-576-15","url":null,"abstract":"Polyorganosiloxanes are a commercially important class of compounds. They exhibit many important properties, including very low glass transition temperatures, making them useful over a wide temperature range. In practice, the polysiloxane polymer is often mixed with a filler material to help improve its mechanical properties. An alternative method for increasing polymer mechanical strength is through the incorporation of certain substituents on the polymer backbone. Hard substituents such as carbonates and imides generally result in improved mechanical properties of polysiloxanes. In this paper, we present the preparation of novel polysiloxane resins modified with hard maleimide substituents. Protected ethoxysilyl-substituted propyl-maleimides were prepared. The maleimide substituent was protected with a furanyl group and the monomer polymerized under aqueous acidic conditions. At elevated temperatures (>120 C), the polymer undergoes retro Diels-Alder reaction with release of foran (Equation 1). The deprotected polymer can then be selectively crosslinked by a forward Diels-Alder reaction (in the presence of a co-reactant having two or more dime functionalities).","PeriodicalId":20350,"journal":{"name":"Polymer Materials Science and Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1999-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88382536","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: 4
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