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Highly branched oily alkane polymer and its preparation method and application

A technology for oily alkanes and alkane mixtures, which can be used in the production of liquid hydrocarbon mixtures, lubricating compositions, and the petroleum industry. It can solve the problems of lower viscosity index of lubricating oils and unfavorable use of lubricating oils, and achieve high viscosity index and high degree of branching. Effect

Active Publication Date: 2017-12-08
NANJING CHEMRUN CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the increase of BI will generally lead to a decrease in the viscosity index of lubricating oil, which is unfavorable for the use of lubricating oil

Method used

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  • Highly branched oily alkane polymer and its preparation method and application
  • Highly branched oily alkane polymer and its preparation method and application
  • Highly branched oily alkane polymer and its preparation method and application

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preparation example Construction

[0070] Preparation of Ligand Compounds and Complexes

[0071] The present invention also provides the synthesis of the ligand compound of formula I, comprising the steps:

[0072] (a) C is obtained from the reaction of the corresponding diketone A with the amine compound B.

[0073] (b) Ligand I is obtained by reacting C with amine compound D.

[0074] Described compounds A, B, C, D have the following structural formula:

[0075]

[0076] In the reaction, it is necessary to add 0.001-100% of the corresponding catalyst that promotes the condensation reaction, such as acetic acid, p-toluenesulfonic acid, TiCl 4 , Orthosilicate, etc. Specifically, firstly, diketone A and amine B are mixed in an inert solvent, and activated by 0.001-100% acetic acid to generate monoimine C, and C continues to react with amine D to obtain the product represented by formula (I). The inert solvent can be all solvents commonly used in condensation reactions, including alcohols, aromatic hydroca...

Embodiment 1

[0132] Synthesis of Ligand L1a

[0133]

[0134] In a 100 mL egg-shaped bottle, add 3.644 g (20 mmol) of acenaphthylene quinone, add 40 mL of methanol, add 4.0 mL (20 mmol) of 2,6-diisopropylaniline, add 2 drops of anhydrous acetic acid, stir at room temperature, and follow the reaction by TLC to After completion, concentrated under reduced pressure, neutral alumina column chromatography, EA:PE=1:20-EA:PE=1:10 to obtain orange-yellow product monoimine with a yield of 60%. 1 H NMR (300MHz, CDCl 3 ): δ=8.21 (2H, m), 8.01 (1H, d), 7.82 (1H, t), 7.41 (1H, t), 7.27 (3H, s), 6.64 (1H, d), 2.84 (2H, m), 1.18 (6H, d), 0.90 (6H, d).

[0135] In a 100mL egg-shaped bottle, add 1.708g (5.0mmol) of monoimine, add 40mL of methanol, add 7.5mmol of aniline, add 2 drops of anhydrous acetic acid, stir at room temperature, follow the reaction by TLC to the end, concentrate under reduced pressure, neutral alumina Column chromatography, EA:PE=1:15 yields orange-yellow product L1a. 1 H NMR (...

Embodiment 2

[0137] Synthesis of Ligand L1b

[0138]

[0139] According to the synthetic method of ligand L1a in Example 1, 2,6-dichloroaniline was used to replace aniline in the second step, and other operating conditions were the same to obtain an orange solid. 1 H NMR (300MHz, CDCl 3 ): δ=8.32 (1H, d), 8.10 (1H, d), 7.96 (1.5H, m), 7.53 (2H, d), 7.41 (3H, m), 7.38 (2H, m), 6.91 (0.5 H, m), 6.58 (1H, t), 2.77 (2H, m), 1.29 (2H, d), 0.97 (10H, d), 13 C NMR (75MHz, CDCl3): δ=162.2, 157.8, 146.1, 133.1, 130.7, 127.5, 124.8, 124.4, 124.3, 123.39, 123.1, 122.7, 120.7, 77.4, 77.6, 28.5, 27.9, 23.5, 22.8. IR(KBr): v(cm -1 ) = 3052, 2960, 2923, 2865, 1674, 1640, 1602, 1463, 1433, 1242, 1077, 1033, 831, 779, 760, 730; C 30 H 26 Cl 2 N 2 (484.45): Anal.Calc.C 74.22, H 5.40, N 5.77; FoundC 73.99, H5.39, N 5.65.

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Abstract

The invention discloses a highly branched oily alkane polymer as well as its preparation method and application. The highly branched oily alkane polymer of the present invention has the following characteristics: (a) viscosity index is 100 to 300; (b) pour point is -50°C to -10°C; (c) molecular weight is 300 to 500,000g / mol (d) The number of methyl groups corresponding to every 1000 methylene groups is 100 to 500. The invention also discloses the preparation method and application of the highly branched oily alkane polymer and the lubricating oil prepared by the highly branched oily alkane polymer. The highly branched oily alkane polymer of the present invention has high viscosity index and high branching degree, and can be used as base oil or processing aid of high-grade lubricating oil.

Description

technical field [0001] The invention relates to the field of catalysis and base oil of lubricating oil, in particular to a hyperbranched oily alkane polymer and a preparation method and application thereof. Background technique [0002] The base oils of industrial lubricating oils are mixtures of various branched alkanes, obtained by petroleum cracking or alpha-olefin oligomerization (PAO). Among them, PAO, as a very important and excellent lubricating base oil, is obtained by oligomerization of α-olefins. The main raw materials are α-octene, α-decene, α-dodecene and other expensive advanced α- - Olefins. [0003] Therefore, the premise of obtaining high-quality base oil PAO is that ethylene oligomerization must be catalyzed to obtain α-olefin, especially α-decene. It is technically difficult to selectively produce α-olefins above C6. The direct preparation of high-performance base oils from inexpensive olefins such as ethylene, propylene, and butene has the advantages of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F10/00C08F10/02C08F8/04C08F4/70C10G50/02C10M107/04C08K5/01
Inventor 唐勇陶闻杰孙秀丽李军方王峥
Owner NANJING CHEMRUN CO LTD