CN103965394B - 一种聚甲基丙烯酸酯类粘度指数改进剂的制备方法 - Google Patents
一种聚甲基丙烯酸酯类粘度指数改进剂的制备方法 Download PDFInfo
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Abstract
Description
甲基丙烯酸,mol | 1.1±0.05 |
高级醇C8-12,mol | 1 |
硫酸铜 | 0.4%(相对于对甲基丙烯酸的重量) |
硫酸 | 0.6%(相对于对甲基丙烯酸的重量) |
对苯二酚 | 0.4%(相对于对甲基丙烯酸的重量) |
偶氮二异丁睛 | 0.3-0.4%(相对于精单体重量) |
3#低凝基础油 | 30-60%(相对于精单体重量) |
偶氮二异丁睛 | 0.3-0.4%(相对于精单体重量) |
外观: | 白色或淡黄透明 | 分析方法 |
凝点:℃≤ | -75~-82 | GB/T510 |
氧化后酸值:mgKOH/g≤ | 0.134~0.148 | GB/T264 |
酸值:KOHmg/g | 0.017~0.025 | GB/T264 |
-50低温粘度:mm/s | 976~1045 | GB/T265 |
运动粘度100℃mm /s | 11.9-12.2 | GB/T265 |
运动粘度-40℃mm /s≤ | 700 | GB/T265 |
机械杂质:% | 实测 | GB/T511 |
剪切粘度下降率%(40℃)≤ | 10.6~18 | SH/T0505 |
Claims (2)
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CN104558382B (zh) * | 2014-12-26 | 2017-12-29 | 上海金兆节能科技有限公司 | 聚丙烯酸酯组合物及其制备和用该酯制备环保微量润滑油 |
CN105294431B (zh) * | 2015-09-14 | 2017-08-11 | 宁波蓝润能源科技股份有限公司 | 一种合成酯类稠化剂、及利用其半合成齿轮油的制备方法 |
US11028334B2 (en) | 2016-06-28 | 2021-06-08 | China Petroleum & Chemical Corporation | Gradient copolymer, its production and application thereof |
CN110331027B (zh) * | 2019-07-31 | 2022-02-15 | 上海金兆节能科技有限公司 | 润滑油组合物及其制备方法和该组合制备的微量润滑油 |
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US6323164B1 (en) * | 2000-11-01 | 2001-11-27 | Ethyl Corporation | Dispersant (meth) acrylate copolymers having excellent low temperature properties |
CN102796000B (zh) * | 2011-05-26 | 2014-10-01 | 中国石油化工股份有限公司 | 一种制备丙烯酸酯和/或甲基丙烯酸酯的方法 |
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