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中文摘要：
对两性瓜尔胶接枝共聚物（LGG-g-PAM）在蔗渣漂白硫酸盐浆中的增强性能进行了研究。实验表明：LGG-g-PAM7对浆料具有很好的增强效果，0．8％的用量即可满足需要。体系适宜pH范围是7～10，且反应时间6～8min较为合适。扫描电镜分析结果显示，加入LGG-g-PAM后，纸页匀度较好，而断纸主要以纤维断裂为主，说明其增强效果明显。
英文摘要：
This article dealed with the application of grafting copolymer of amphoteric guar gum（LGG-g-PAM） as strengthening agent of bleached bagasse kraft pulp. The results showed that the strength of pulp was improved when added LGG-g-PAM7,it could obtain good effect at charge of LGG-g-PAM 0.8%.The appropriate pH value was 7-10, reaction time was 6-8min.SEM showed that the formation of paper sheets treated with LGG-g-PAM was good and the fiber rupture mainly was in the condition of rupture, as shown that it could improve the strength of paper sheets significantly.
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