三相轻质复合泡沫浮力材料的制备及性能研究

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英文篇名：Preparation and Characterization of Three-phase Lightweight Composite Foam Buoyancy Materials 作者：赵忠贤 ; 丁晓波 ; 高缘 ; 李成龙 ; 夏雨 ; 孟金洲 ; 顾昊文 ; 吴新锋 ; 李文戈 英文作者：Zhao Zhongxian;Ding Xiaobo;Gao Yuan;Li Chenglong;Xia Yu;Meng Jinzhou;Gu Haowen;Wu Xinfeng;Li Wenge;School of Merchant Shipping,Shanghai Maritime University;Pudong New Area Tangzhen Primary School;College of Marine Science and Engineering,Shanghai Maritime University; 关键词：二氧化硅气凝胶超细粉体 ; 环氧树脂空心球 ; 空心玻璃微珠 ; 超低密度 ; 复合浮力材料 英文关键词：Silica aerogel ultrafine powder;;Epoxy hollow ball;;Hollow glass microspheres;;Ultra low density;;Composite buoyancy materials 中文刊名：SLKJ 英文刊名：Plastics Science and Technology 机构：上海海事大学商船学院;浦东新区唐镇小学;上海海事大学海洋科学与工程学院; 出版日期：2019-03-07 出版单位：塑料科技 年：2019 期：v.47;No.323 基金：中国博士后科学基金(2017M611757);; 2017年度江苏省博士后科研资助计划(B);; 2017年连云港市“港城英才计划”项目 语种：中文; 页：SLKJ201903021 页数：6 CN：03 ISSN：21-1145/TQ 分类号：58-63

摘要

采用滚球法制备了二氧化硅气凝胶超细粉体(SAR)强化的厘米级轻质环氧树脂空心球(SAR-EHS),利用真空搅拌-模压成型法将SAR-EHS、空心玻璃微珠(HGMS)与环氧树脂(EP)复合制备了EP/SAR-EHS/HGMS三相复合轻质浮力材料,并对其密度、压缩强度以及微观结构等性能进行了表征。结果表明:SAR-EHS和HGMS能够在EP中混合使用,并使得基体与微球结合更加紧密,极大地减小了浮力材料密度。制备得到的超低密度复合浮力材料的密度≤0.40 g/cm~3,压缩强度为7～15 MPa,适用于深度为700～1 500 m海域内的较大载荷作业。
        The centimeter level lightweight epoxy hollow spheres(SAR-EHS) reinforced by silica aerogel ultrafine powder(SAR) were prepared by rolling ball method.The EP/SAR-EHS/HGMS composite three-phase lightweight buoyancy material was prepared by vacuum stirring and molding with SAR-EHS,hollow glass beads(HGMS) and epoxy resin(EP).Its density,compressive strength and microstructure were characterized.The results show that:SAR-EHS and HGMS can be mixed in EP,and make the matrix and microspheres bond more closely,which greatly reduces the density of buoyancy materials.The density of the ultra-low density composite buoyancy material is less than 0.40 g/cm~3 and its compressive strength is 7～15 MPa.It is suitable for large load operation in the sea area with depth of 700～1 500 m.

引文

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