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1)  impregnation sealant
浸渍密封
1.
A kind of heat-resistant material-polyimide was chosen as impregnation sealant,and the proper impregnating and solidifying methods were used,through which the graphite rings could be efficiently impregnated twice and after solidifying, polyimide was obtained with heat-resistance (obvious heat-degradation was not observed at 450℃).
选择耐高温的高分子材料———聚酰亚胺作为浸渍密封剂,采用二次真空、加压浸渍工艺和适当的固化方法,既能使聚酰胺酸有效地浸渍石墨环,又能使固化后得到的聚酰亚胺具有最佳耐高温性(在450℃没有明显的热解现象)。
2)  impregnated seal
浸渍封接
3)  impregnation and compression petroleum coke
浸渍压密石油焦
4)  impregnation density
浸渍密度增量
5)  Densify of the surface impregnating and compressing
浸渍压缩密实化
6)  impregnating sealant
浸渗密封胶
1.
Study on water-washable thermocuring impregnating sealant and its applications;
水洗性热固化浸渗密封胶的研究与应用
补充资料:RFL浸渍液
分子式:
CAS号:

性质:是指在以氢氧化钠作催化剂作用下,间苯二酚与甲醛反应得到有一定缩合度的间甲树脂液,然后与胶乳混合,配置成有一定浓度的水溶液,英文缩写为RFL浸渍液。该浸渍液用于帘布、帆布、线绳的浸渍处理工序。采用该浸渍体系获得的黏合强度与RFL浸渍液的组成、配置工艺、浸渍液的用量(或称附胶量)、浸渍热处理工艺条件、胶料配方和硫化条件等有关。

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