Development of strippable PVA film for cleaning radioactive dusts on device surface

WANG Zhentao1 YANG Yifang1 WANG Haijun1 WANG Yuexing1 ZHANG Jianguo1 LIU Daihao2 1

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Development of strippable PVA film for cleaning radioactive dusts on device surface

更新时间：2021-03-05

- Development of strippable PVA film for cleaning radioactive dusts on device surface
- NUCLEAR TECHNIQUES Vol. 33, Issue 9, (2010)
- 作者机构：
  
  1. 海军医学研究所
  2. 92730部队
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL944
- Published：01 September 2010
- 稿件说明：
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[1]王震涛,杨翊方,王海军,王月兴,张建国,刘代浩.用于设备表面放射性去污的可剥离膜研究[J].核技术,2010,33(09):714-720.

WANG Zhentao1 YANG Yifang1 WANG Haijun1 WANG Yuexing1 ZHANG Jianguo1 LIU Daihao2 1. Development of strippable PVA film for cleaning radioactive dusts on device surface[J]. Nuclear techniques, 2010, 33(9): 714-720.
[1]王震涛,杨翊方,王海军,王月兴,张建国,刘代浩.用于设备表面放射性去污的可剥离膜研究[J].核技术,2010,33(09):714-720. DOI：

WANG Zhentao1 YANG Yifang1 WANG Haijun1 WANG Yuexing1 ZHANG Jianguo1 LIU Daihao2 1. Development of strippable PVA film for cleaning radioactive dusts on device surface[J]. Nuclear techniques, 2010, 33(9): 714-720. DOI：

摘要

研究了一种用于不锈钢设备表面放射性污染去除的乙烯聚合物可剥离膜

讨论了成膜主剂乙烯聚合物浓度、络合剂EDTA-Na-Ca、增稠剂CMC-2Na、增塑剂PEG-200、表面活性剂nmCaCO3以及HCl掺杂量对可剥离膜的物化性质和去污效率等主要性能参数的影响

该可剥离膜成膜干燥时间为8h

对90Sr污染浓度为0.02-0.20Bq/cm2的表面去污效率达80%以上。

Abstract

A strippable film of polyvinyl alcohol (PVA) for decontamination of radioactive dusts on stainless steel (SS) device surface was developed by investigating the film-stripping ability from the SS surface and the contamination-removal efficiency of the films of various preparation parameters. They include PVA concentration of the film-making solution

and amounts of EDTA-Na-Ca as complexing agent

CMC-2Na as thickening agent

PEG-200 as plasticizer

nmCaCO3 as surfactant

and 1.85 mol/L HCl. The PVA film

which can be dried in 8 h

is capable of removing over 80% of surface contamination of 90Sr at 0.02-0.20 Bq/cm2.

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State Key Laboratory of Pollution Control and Resource Reuse,School of the Environment,Nanjing University,Nanjing 210093,China) 2

江苏省农业科学院原子能研究所

复旦大学环境科学系

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