Adhesion in solid propellant rocket motors

被引：1

作者：

Grythe, Kai Frode ^{[1
]}

Hansen, Finn Knut ^{[1
]}

Olsen, Torbjørn ^{[2
]}

机构：

[1] Department of Chemistry, University of Oslo, Oslo, Norway

[2] Norwegian Defence Research Establishment, Kjeller, Norway

来源：

Journal of Adhesion | 2007年 / 83卷 / 03期

关键词：

Plasma treatment of EPDM-based rocket motor insulation materials may change the peel strength between these materials and polyurethane polymers by a factor of 0.1 to 10. The matching of surface energies seems to be important for this adhesion process. The surface tension of the components was measured to between 30 and 50 mNm-1. The total surface energy of the insulation could be increased from 27.2 mNm-1 to ca. 70 mNm-1 by the plasma process. Maximum peel strength could be obtained by a treatment of less than 1 min; whereas in most cases longer times gave lower values. In some cases very long treatment also gave good strength; probably due to a rougher surface structure. The rate of cure of the polymer was important for the adhesion process as lower rates of cure correlated with higher peel strengths; which can be explained by diffusion of the polymer's components into the insulation;

D O I：

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中图分类号：

学科分类号：

摘要：

Journal article (JA)

引用

页码：223 / 254

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