| 管道防腐用改性EVA热熔胶的研制 |
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| 引用本文： | 吴迎霞,沈赤霞.管道防腐用改性EVA热熔胶的研制[J].化学与粘合,2006,28(3):166-168. |
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| 作者姓名： | 吴迎霞 沈赤霞 |
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| 作者单位： | 辽源职业技术学院,吉林,辽源,136201;哈药集团医药有限公司,黑龙江,哈尔滨,150010 |
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| 摘 要： | 在有机过氧化物的引发下，马来酸酐与熔融的EVA树脂接枝聚合，配合增黏树脂、填料及其它助剂，制备出用于油气管道密封防腐的热熔胶。首先考察了不同VA含量、熔体指数的EVA树脂的粘接强度，试验结果表明VA含量为28、MI值为280的EVA树脂具有最佳的性能，通过对MAH不同加入量对热熔胶性能影响的探讨，发现接枝改性后的热熔胶粘接强度得到了极大的提高，在MAH用量为12份时剥离强度可达17．4kN／m。冷热交变及耐介质实验也表明热熔胶具看优异的耐侯性和耐腐蚀性。
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| 关 键 词： | 热熔胶 EVA树脂 马来酸酐 防腐 |
| 文章编号： | 1001-0017（2006）03-0166-0B |
| 收稿时间： | 2005-11-16 |
| 修稿时间： | 2005-11-16 |
Study on Modified EVA Hot- melt Adhesive for Corrosion Protection of Pipeline |
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| WU Ying-xia,SHEN Chi-xia.Study on Modified EVA Hot- melt Adhesive for Corrosion Protection of Pipeline[J].Chemistry and Adhesion,2006,28(3):166-168. |
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| Authors: | WU Ying-xia SHEN Chi-xia |
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| Affiliation: | 1. Liaoyuan Polish Inntitute, Liaoywan 136201, China; 2. Harbin Pharmaceutical Group Holding Co. Ltd., Harbin 150010, China |
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| Abstract: | A hot- melt adhesive for ccrresion protection of pipeline was prepared by graded pelymerization of maleic anhydride snd fused EVA resin with tackifying resin,filler and other auxiliary agents in the presence of organic peroxide. The bonding strength of EVA resin was investigated with different contents of VA and melt indexes,snd the result showed that the optimal performance of EVA resin appeared when the content of VA was 28,and MI was 280. By the way of analyzing the effect of different amounts of MAH on the performance of hot - melt adhesive, it was found that the bonding strength greatly after modification, and its peel strength reached 17.4N/m when the smount of MAH was 12 parts. The weathering resistance and corrosion resistance were excellent tested by cold - hot altemation and medium resistance experiment. |
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| Keywords: | Hot- melt adhesive EVA resin Malsic anhydride Corrosion protection |
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