润滑科技信息平台

Lubricity and conductivity improver additive for ultra low sulfur diesel fuels

专利摘要

The present invention discloses a single package additive for improving lubricity and conductivity properties of ultra-low sulfur diesel fuels. The single package additive is a reaction product of a fatty acid composition, a glycerol tricarboxylates, a polysulfone, a polyamine, an alkylated benzene sulfonic acid and a phenol derivative. More specifically, the present invention discloses a reaction product of: a fatty acid composition in the range of 60-95% wt/wt; a glycerol tricarboxylate in the range of 0.1-10.0% wt/wt; a polysulfone in the range of 0.1-5.0% wt/wt; a polyamine in the range of 0.1-5.0% wt/wt; an alkylated benzene sulfonic acid in the range of 0.1-5.0% wt/wt; and a phenol derivative in the range of 0.1-10.0% wt/wt. The present invention also discloses a single-pot process for the preparation of said reaction product. ......

基本信息

专利类型:
发明专利
申请/专利号:
US17/115343
申请日期:
2020-12-08
专利申请人:
INDIAN OIL CORPORATION LIMITED
分类号:
C10L1/24; C10L10/18; C10L1/18; C10L1/22; C10L10/08; C08L81/06; C08K5/09; C08L79/02; C08K5/103; C08K5/42; C10L1/188; C10L1/2383
发明/设计人:
LOPINTI, KRISHNARAO ， CHAKRADHAR, MAYA ， ARORA, AJAY KUMAR ， KAGDIYAL, VIVEKANAND ， SAXENA, DEEPAK ， MAZUMDAR, SANJIV KUMAR ， RAMAKUMAR, SANKARA SRI VENKATA
权利要求: 1. A reaction product of: a fatty acid composition in the range of 60-95% wt/wt; a glycerol tricarboxylate in the range of 0.1-10.0% wt/wt; a polysulfone in the range of 0.1-5.0% wt/wt; a polyamine in the range of 0.1-5.0% wt/wt; an alkylated benzene sulfonic acid in the range of 0.1-5.0% wt/wt; and a phenol derivative in the range of 0.1-10.0% wt/wt.2. The reaction product as claimed in claim 1, wherein the fatty acid composition is a mixture of fatty acids having carbon atoms in the range of C12-C24, wherein the mixture of fatty acids comprises a fatty acid selected from a group consisting of lauric acid, stearic acid, oleic acid, linoleic acid, myristoleic acid, behenic acid and arachidonic acid.3. The reaction product as claimed in claim 1, wherein the glycerol tricarboxylate is prepared by reacting glycerol with fatty acid, and the fatty acid is selected from a group consisting of lauric acid, palmitic acid, linoleic acid, ricinoleic acid, and any mixture thereof.4. The reaction product as claimed in claim 1, wherein the polysulfone is a reaction product of 1-alkene and SO2 in the ratio of 1:1, and having molecular weight 10000-100000 gm/mole measured by gel permeation chromatography (GPC).5. The reaction product as claimed in claim 1, wherein the polyamine is a condensed product of an epichlorohydrin and an alkylamine, wherein the alkylamine is having carbon atoms in the range of C12 to C18.6. The reaction product as claimed in claim 1, wherein the alkylated benzene sulfonic acid is a mixture of linear, iso and tertiary alkyl groups of carbon atom ranging from C10-C18.7. The reaction product as claimed in claim 1, wherein the phenol derivative having Formula-I: wherein, R=alkyl or alkenyl group having carbon chain length of C15-C20; R1=alkyl or alkenyl group having carbon chain length of C12-C18; and R2=alkyl or alkenyl group having carbon chain length of C5-C12.8. A process for the preparation of a reaction product, comprising the steps of: i) stirring a fatty acid composition containing a mixture of fatty acids of carbon atoms C12-24 in the range of 60-95% wt/wt at 25-30° C.; ii) adding a glycerol carboxylate in the range of 1.0-10.0% wt/wt at 25° C.-30° C. in 30 minutes under continuous stirring; iii) adding phenol derivative compound in the range of 1.0-10.0% wt/wt at 25-30° C. under continuous stirring and continue the stirring for another 20 minutes; iv) heating the above reaction mixture at 50° C. and stirring continued for one hour; v) adding a mixture of polysulfone in the range of 0.1-5.0% wt/wt, polyamine mixture in the range of 0.1-5.0% wt/wt, and alkylated benzene sulfonic acid in the range of 0.1-5.0% wt/wt, prepared in diluent in the range of 0.5-5.0% wt/wt to the reaction mass obtained in step iv); vi) heating and stirring the mixture obtained after step v) at 50° C. to obtain the reaction product.9. The process as claimed in claim 8, wherein the fatty acid composition is a mixture of fatty acids having carbon atoms in the range of C12-C24, wherein the mixture of fatty acids comprises a fatty acid selected from a group consisting of lauric acid, stearic acid, oleic acid, linoleic acid, myristoleic acid, behenic acid and arachidonic acid.10. The process as claimed in claim 8, wherein the glycerol tricarboxylate is prepared by reacting glycerol with fatty acid, and the fatty acid is selected from a group consisting of lauric acid, palmitic acid, linoleic acid, ricinoleic acid, and any mixture thereof.11. The process as claimed in claim 8, wherein the phenol derivative having Formula-I: wherein, R=alkyl or alkenyl group having carbon chain length of C15-C20; R1=alkyl or alkenyl group having carbon chain length of C12-C18; and R2=alkyl or alkenyl group having carbon chain length of C8-C12.12. The process as claimed in claim 8, wherein the polysulfone is a reaction product of 1-alkene and SO2 in the ratio of 1:1, and having molecular weight 10000-100000 gm/mole measured by gel permeation chromatography (GPC).13. The process as claimed in claim 8, wherein the polyamine is a condensed product of an epichlorohydrin and an alkylamine, wherein the alkylamine is having carbon atoms in the range of C12 to C18.14. The process as claimed in claim 8, wherein the alkylated benzene sulfonic acid is a mixture of linear, iso and tertiary alkyl groups of carbon atom ranging from C10-C18.15. The process as claimed in claim 8, wherein the diluent is a selective product of refinery obtained from pre-fractionated bottom stream having flash point more than 60° C.