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微型金柱腔中原位成型制备微孔泡沫
引用本文:范勇恒,罗炫,方瑜,任洪波,袁光辉,王红莲,周兰,张林,杜凯.微型金柱腔中原位成型制备微孔泡沫[J].强激光与粒子束,2009,21(6).
作者姓名:范勇恒  罗炫  方瑜  任洪波  袁光辉  王红莲  周兰  张林  杜凯
作者单位:中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621900
基金项目:中国工程物理研究院科学技术发展基金项目 
摘    要: 报道了在μm量级圆柱状金柱腔中原位成型制备微孔泡沫的方法。在直径400 μm、长度700 μm、壁厚20 μm、两端开口的金柱腔中原位成型成功制备出密度为50 mg·cm-3、蜂窝直径不超过1 μm的多元丙烯酸酯聚合物微孔泡沫。干燥过程中泡沫没有明显收缩,在柱腔中填充紧密,无需后续机械加工。

关 键 词:丙烯酸酯  微孔泡沫  原位成型  金柱腔
收稿时间:1900-01-01;

In situ production of microporous foams in sub-millimeter cylindrical gold targets
Fan Yongheng,Luo Xuan,Fang Yu,Ren Hongbo,Yuan Guanghui,Wang Honglian,Zhou Lan,Zhang Lin,Du Kai.In situ production of microporous foams in sub-millimeter cylindrical gold targets[J].High Power Laser and Particle Beams,2009,21(6).
Authors:Fan Yongheng  Luo Xuan  Fang Yu  Ren Hongbo  Yuan Guanghui  Wang Honglian  Zhou Lan  Zhang Lin  Du Kai
Institution:Research Center of Laser Fusion, CAEP, P.O.Box 919-987, Mianyang 621900, China
Abstract:The preparation of microcellular foam in sub-millimeter cylindrical gold targets is described. Small, open-ended, gold cylinders of 400 μm diameter, 700 μm length, and 20 μm wall thickness were fabricated by electroplating gold onto a silicon bronze mandrel and leaching the mandrel with concentrated nitric acid. After several rinsing and cleaning steps, the cylinders were filled with a solution containing acrylate monomers. The solution was polymerized in situ with ultraviolet light to produce a gel. Precipitation of these gels in a non-solvent such as methanol and subsequent drying by means of a critical point drying apparatus produced cylinders filled with microporous foams. The foams have densities of 50 mg·cm-3 and cell sizes no more than 1 μm. They fill the cylinders completely
Keywords:microporous foam  in situ production  gold cylinder
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