Rheological and Tribological Properties of Lubricating Greases Based on Esters and Polyurea Thickeners
Lubricating greases based on pentaerythritol and trimethylolpropane esters and dioctyl sebacate have been synthesized using diureas as a thickener prepared by reactions of toluene diisocyanate, aniline, and primary aliphatic amines of various structures. The physicochemical properties of the greases...
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| Veröffentlicht in: | Petroleum chemistry 2018-12, Vol.58 (12), p.1064-1069 |
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| container_title | Petroleum chemistry |
| container_volume | 58 |
| creator | Maksimova, Yu. M. Shakhmatova, A. S. Ilyin, S. O. Pakhmanova, O. A. Lyadov, A. S. Antonov, S. V. Parenago, O. P. |
| description | Lubricating greases based on pentaerythritol and trimethylolpropane esters and dioctyl sebacate have been synthesized using diureas as a thickener prepared by reactions of toluene diisocyanate, aniline, and primary aliphatic amines of various structures. The physicochemical properties of the greases, such as ultimate strength, yield stress, modulus of elasticity, dropping point, and colloid stability, have been characterized, and data on their antiwear activity have been obtained. The relationship between the structure of grease components, its rheology, and antiwear properties has been revealed. |
| doi_str_mv | 10.1134/S0965544118120071 |
| format | Article |
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The relationship between the structure of grease components, its rheology, and antiwear properties has been revealed.</description><subject>Aliphatic amines</subject><subject>Amines</subject><subject>Analysis</subject><subject>Aniline</subject><subject>Chemical industry</subject><subject>Chemical synthesis</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Esters</subject><subject>Greases</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Isocyanates</subject><subject>Lubricants industry</subject><subject>Lubricating greases</subject><subject>Lubrication</subject><subject>Lubrication and lubricants</subject><subject>Mechanical properties</subject><subject>Modulus of elasticity</subject><subject>Polyamides</subject><subject>Polyols</subject><subject>Rheological properties</subject><subject>Rheology</subject><subject>Thickening agents</subject><subject>Toluene</subject><subject>Toluene diisocyanates</subject><subject>Tribology</subject><subject>Ultimate tensile strength</subject><subject>Yield stress</subject><issn>0965-5441</issn><issn>1555-6239</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kFFLwzAUhYMoOKc_wLeCz9XcNGnTxznmFAYOnc8lbZIus0tm0j3s35tZ0QeRQALfOefecBC6BnwLkNG7V1zmjFEKwIFgXMAJGgFjLM1JVp6i0VFOj_o5ughhgzEUQLMR0i9r5TrXmkZ0ibAyWXlT_4Cldzvle6NC4nSy2Nc-4t7YNpl7JULE9_GWibPJLPTKh68RS9cd9lFPVmvTvCsb-SU606IL6ur7HaO3h9lq-pgunudP08kibbKS9CnPG1xImhWMaMFLzkBGgHUOWILAdS1AS17UpdRUY1oQzqjCtZKQZxoYZGN0M8zdefexV6GvNm7vbVxZkVgHUMx5Fl23g6sVnaqM1a73oolHqq1pnFXaRD5heVxQYFLGAAyBxrsQvNLVzput8IcKcHXsv_rTf8yQIROi17bK_37l_9AnbF-Gug</recordid><startdate>20181201</startdate><enddate>20181201</enddate><creator>Maksimova, Yu. M.</creator><creator>Shakhmatova, A. S.</creator><creator>Ilyin, S. O.</creator><creator>Pakhmanova, O. A.</creator><creator>Lyadov, A. S.</creator><creator>Antonov, S. V.</creator><creator>Parenago, O. P.</creator><general>Pleiades Publishing</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20181201</creationdate><title>Rheological and Tribological Properties of Lubricating Greases Based on Esters and Polyurea Thickeners</title><author>Maksimova, Yu. M. ; Shakhmatova, A. S. ; Ilyin, S. O. ; Pakhmanova, O. A. ; Lyadov, A. S. ; Antonov, S. V. ; Parenago, O. 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M.</creatorcontrib><creatorcontrib>Shakhmatova, A. S.</creatorcontrib><creatorcontrib>Ilyin, S. O.</creatorcontrib><creatorcontrib>Pakhmanova, O. A.</creatorcontrib><creatorcontrib>Lyadov, A. S.</creatorcontrib><creatorcontrib>Antonov, S. V.</creatorcontrib><creatorcontrib>Parenago, O. P.</creatorcontrib><collection>CrossRef</collection><jtitle>Petroleum chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Maksimova, Yu. M.</au><au>Shakhmatova, A. S.</au><au>Ilyin, S. O.</au><au>Pakhmanova, O. A.</au><au>Lyadov, A. S.</au><au>Antonov, S. V.</au><au>Parenago, O. P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rheological and Tribological Properties of Lubricating Greases Based on Esters and Polyurea Thickeners</atitle><jtitle>Petroleum chemistry</jtitle><stitle>Pet. Chem</stitle><date>2018-12-01</date><risdate>2018</risdate><volume>58</volume><issue>12</issue><spage>1064</spage><epage>1069</epage><pages>1064-1069</pages><issn>0965-5441</issn><eissn>1555-6239</eissn><abstract>Lubricating greases based on pentaerythritol and trimethylolpropane esters and dioctyl sebacate have been synthesized using diureas as a thickener prepared by reactions of toluene diisocyanate, aniline, and primary aliphatic amines of various structures. The physicochemical properties of the greases, such as ultimate strength, yield stress, modulus of elasticity, dropping point, and colloid stability, have been characterized, and data on their antiwear activity have been obtained. The relationship between the structure of grease components, its rheology, and antiwear properties has been revealed.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S0965544118120071</doi><tpages>6</tpages></addata></record> |
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| ispartof | Petroleum chemistry, 2018-12, Vol.58 (12), p.1064-1069 |
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| language | eng |
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| source | SpringerLink Journals - AutoHoldings; EBSCOhost Business Source Complete |
| subjects | Aliphatic amines Amines Analysis Aniline Chemical industry Chemical synthesis Chemistry Chemistry and Materials Science Esters Greases Industrial Chemistry/Chemical Engineering Isocyanates Lubricants industry Lubricating greases Lubrication Lubrication and lubricants Mechanical properties Modulus of elasticity Polyamides Polyols Rheological properties Rheology Thickening agents Toluene Toluene diisocyanates Tribology Ultimate tensile strength Yield stress |
| title | Rheological and Tribological Properties of Lubricating Greases Based on Esters and Polyurea Thickeners |
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