2014
DOI: 10.1134/s1070427214110135
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Viscosity modifiers based on vinyl isobutyl ether copolymers for lubricating oils

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Cited by 12 publications
(7 citation statements)
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“…Lubricating oil, the second largest petroleum product, is widely used in machinery, electric power, transportation, and chemical industry [1]. Lubricating oil is prone to pollution during storage, transportation, filling and usage, and is then converted into emulsified oil [2].…”
Section: Introductionmentioning
confidence: 99%
“…Lubricating oil, the second largest petroleum product, is widely used in machinery, electric power, transportation, and chemical industry [1]. Lubricating oil is prone to pollution during storage, transportation, filling and usage, and is then converted into emulsified oil [2].…”
Section: Introductionmentioning
confidence: 99%
“…Это, соответственно, увеличит срок эксплуатации масел. В работах [2][3][4][5][6][7] убедительно показана возможность применения компенсационного метода (КС) в кипящем винилалкиловом эфире (ВАЭ) при радикальном инициировании для получения композиционно-однородных сопо-лимеров равного состава ВАЭ, относительная активность которых в радикальной полимеризации близка к нулю, c алкил(мет)акрилатами (АМА). Такие сополимеры проявляют хорошие загу-щающие свойства в минеральных и синтетических маслах, при этом сильно превосходят соответ-ствующие гомополимеры, как полиалкил(мет)акрилаты, так и поливинилалкиловые эфиры, по устойчивости к деструкции в растворах масел.…”
unclassified
“…Деструкцию раствора сополимера Д рассчитывали по формуле Обсуждение результатов В связи с поставленной целью для синтеза было выбрано эквимольное соотношение в парах АМА-Ст, и избыток простого эфира в мономерной композиции ВБЭ:АМА:Ст, аналогичное па-рам ВБЭ-АМА [2][3][4][5][6][7], но вместо одного мономера брали эквимольную смесь АМА-Ст, которые при сополимеризации двух мономеров в этом соотношении образуют полимер с соизмеримым соотношением компонентов, т. е. мольное соотношение ВБЭ:АМА:Ст 8:1:1. В качестве АМА бы-ли исследованы БА, БМА и ЭГА.…”
unclassified
“…Recently, special attention is paid to this characteristic of lubricating oils since it is associated with the problem of the life of oil and, consequently, resource saving and the environment. Previously, copolymers of alkyl methacrylates and vinyl butyl esters obtained in compensation polymerizations in the boiling monomers at radical initiation were proposed as viscosity modifi ers [5][6][7][8]. They are highly resistant to mechanical degradation in solutions of mineral and synthetic oils [5][6][7].…”
mentioning
confidence: 99%
“…Previously, copolymers of alkyl methacrylates and vinyl butyl esters obtained in compensation polymerizations in the boiling monomers at radical initiation were proposed as viscosity modifi ers [5][6][7][8]. They are highly resistant to mechanical degradation in solutions of mineral and synthetic oils [5][6][7]. This behavior is due to composition and structure of the copolymers: the ester unit/ether unit ratio of the copolymer according to IR and 1 H NMR spectroscopy is close to 50 : 50, and since relative activity of ether in these pairs is close to zero; this fact is an indirect evidence of alternating copolymer structure.…”
mentioning
confidence: 99%