{"title":"vi -改进剂混合矿物润滑油的流动活化量","authors":"Y. Tamai, Toshikazu Yoneda, Masamitsu Mogi","doi":"10.1627/JPI1959.19.131","DOIUrl":null,"url":null,"abstract":"The flow activation quantities were experimentally determined at 25.0°C with mineral lubricating oils blended with various concentrations of VI-improver. While polylauryl-methacrylate increases activation volume substantially and decreases activation entropy considerably, it does not affect activation enthalpy. Polyisobutylene changes the quantities only slightly. Molecular interpretation of these observations has been attempted.","PeriodicalId":9596,"journal":{"name":"Bulletin of The Japan Petroleum Institute","volume":"47 1","pages":"131-134"},"PeriodicalIF":0.0000,"publicationDate":"1977-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Flow Activation Quantities of VI-improver-blended Mineral Lubricating Oils\",\"authors\":\"Y. Tamai, Toshikazu Yoneda, Masamitsu Mogi\",\"doi\":\"10.1627/JPI1959.19.131\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The flow activation quantities were experimentally determined at 25.0°C with mineral lubricating oils blended with various concentrations of VI-improver. While polylauryl-methacrylate increases activation volume substantially and decreases activation entropy considerably, it does not affect activation enthalpy. Polyisobutylene changes the quantities only slightly. Molecular interpretation of these observations has been attempted.\",\"PeriodicalId\":9596,\"journal\":{\"name\":\"Bulletin of The Japan Petroleum Institute\",\"volume\":\"47 1\",\"pages\":\"131-134\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1977-11-25\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Bulletin of The Japan Petroleum Institute\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1627/JPI1959.19.131\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bulletin of The Japan Petroleum Institute","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1627/JPI1959.19.131","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Flow Activation Quantities of VI-improver-blended Mineral Lubricating Oils
The flow activation quantities were experimentally determined at 25.0°C with mineral lubricating oils blended with various concentrations of VI-improver. While polylauryl-methacrylate increases activation volume substantially and decreases activation entropy considerably, it does not affect activation enthalpy. Polyisobutylene changes the quantities only slightly. Molecular interpretation of these observations has been attempted.
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