研究了高分子网状结构对涂料耐农药乳油腐蚀性能的影响。指出了网格密度、网格中的链柔性、极性,空间位阻和自由体积均能影响材料的抗渗性。据此而选择了高分子主体和辅助材料,设计出抵抗乳油介质的涂料配方,经试验证实能较好地抵御农药乳油的腐蚀。
The effect of macromolecular net structure on corrosion resistance of paint against the attack of pesticide emulsion has been investigated. Many factors, such as mesh density, chain flexibility, chain polarity, sterie restriction, free-volume etc., may influence the permeability of pesticide emulsion. Suitable main and auxiliary materials are selected according to the principle of macromolecular design. A number of prescriptions of paints have been made in this manner, and experimental results show that some prescriptions can satisfactorily resist the attack of pesticide emulsion.
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