A kind of modified graphene oxide, its application, the wire drawing liquid containing it and preparation method

A technology of oxidized stone and wire drawing fluid, which is applied in chemical instruments and methods, petroleum industry, dyeing organic silicon compound treatment, etc., can solve the problems of poor corrosion resistance, poor extreme pressure wear resistance, etc., achieve good lubrication performance and improve corrosion resistance The effect of ensuring the smoothness of the metal surface

Active Publication Date: 2020-10-30
HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the problems of poor extreme pressure wear resistance, poor corrosion resistance and high sulfur, phosphorus and chlorine in the extreme pressure agent existing in the existing wire drawing liquid, the present invention provides a modified graphene oxide, its application, and a wire drawing liquid containing it and preparation method

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  • A kind of modified graphene oxide, its application, the wire drawing liquid containing it and preparation method
  • A kind of modified graphene oxide, its application, the wire drawing liquid containing it and preparation method
  • A kind of modified graphene oxide, its application, the wire drawing liquid containing it and preparation method

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Embodiment 1

[0030] A modified graphene oxide, prepared from γ-mercaptopropylmethyldimethoxysilane, graphene oxide and uridine, the graphene oxide is a single layer with a sheet diameter of 0.5-1.0 μm Nano-graphene oxide, with a purity of 98%, a thickness of 0.335nm, a carbon content of 40%, an oxygen content of 58%, and a sulfur content of 0.5%. The preparation process is as follows:

[0031] (1) Under nitrogen protection, γ-mercaptopropylmethyldimethoxysilane and graphene oxide with a mass ratio of 10:1 are added to a mixed solvent with a volume ratio of water and ethanol of 1:1, and hydrochloric acid is adjusted pH to 3, heated to 80°C, dehydration condensation reaction between the hydrolyzed γ-mercaptopropylmethyldimethoxysilane and graphene oxide, after 10 hours of reaction, washing with ethanol to obtain an intermediate product with a mercapto group;

[0032] (2) Under the protection of nitrogen, the intermediate product and uridine with a mass ratio of 1:1 are added to ethanol and w...

Embodiment 2

[0034] A modified graphene oxide, made from γ-mercaptopropyl trimethoxy silicon, graphene oxide and uridine, the graphene oxide is a single-layer nano-graphene oxide with a sheet diameter of 3-5 μm , with a purity of 96%, a thickness of 1.0nm, a carbon content of 35%, an oxygen content of 65%, and a sulfur content of 0.8%. The preparation process is as follows:

[0035] (1) Under nitrogen protection, γ-mercaptopropyl trimethoxy silicon and graphene oxide with a mass ratio of 5:1 are added to a mixed solvent with a volume ratio of water and ethanol of 2:1, and the pH is adjusted to 4 with hydrochloric acid. , heated to 85°C, the hydrolyzed γ-mercaptopropyl trimethoxy silicon and graphene oxide undergo a dehydration condensation reaction, and after reacting for 9 hours, wash with ethanol to obtain an intermediate product with a mercapto group;

[0036] (2) Under the protection of nitrogen, the intermediate product and uridine with a mass ratio of 1:2 are added to ethanol and wat...

Embodiment 3

[0038] A modified graphene oxide, made from γ-mercaptopropylmethyldimethoxysilane, graphene oxide and uridine, the graphene oxide is a single-sheet nanometer with a sheet diameter of 1-3 μm Graphene oxide has a purity of 97%, a thickness of 0.5nm, a carbon content of 45%, an oxygen content of 55%, and a sulfur content of 0.6%. The preparation process is as follows:

[0039] (1) Under nitrogen protection, γ-mercaptopropylmethyldimethoxysilane and graphene oxide with a mass ratio of 8:1 are added to a mixed solvent with a volume ratio of water and ethanol of 5:1, and hydrochloric acid is adjusted pH to 5, heated to 80°C, dehydration condensation reaction between the hydrolyzed γ-mercaptopropylmethyldimethoxysilane and graphene oxide, after 12 hours of reaction, washing with ethanol to obtain an intermediate product with a mercapto group;

[0040] (2) Under the protection of nitrogen, the intermediate product and uridine with a mass ratio of 1:1.5 are added to ethanol and water wit...

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Abstract

The invention relates to the technical field of metal processing and particularly discloses a modified GO (graphene oxide), an application thereof, a drawing solution containing the modified GO and apreparation method of the modified GO and the drawing solution. The modified GO is prepared by the reaction of uracil nucleoside and an intermediate product obtained by the reaction of sulfhydryl siloxane and GO, the mass ratio of the sulfhydryl siloxane to GO is 5-10: 1, the mass ratio of the intermediate product to the uracil nucleoside is 1: 1-2, and the drawing solution contains the modified GO. The drawing solution has low sulfur content and excellent extreme pressure wear resistance, corrosion resistance and storage stability.

Description

technical field [0001] The invention relates to the technical field of metal processing, in particular to a modified graphene oxide, its application, a wire drawing liquid containing it and a preparation method. Background technique [0002] Lubricant is a lubricating medium used to reduce the friction resistance of the friction pair and slow down its wear. Lubricants can also cool, clean and prevent pollution on the friction pair. Wire-drawing lubricant or wire-drawing liquid is a lubricant for metal wire drawing. Its main function is to form a lubricating film between the drawn metal and the wall of the wire-drawing die to reduce the friction between the interfaces. [0003] In order to improve the performance of the drawing liquid, appropriate additives can be added to the drawing liquid, such as extreme pressure agents, emulsifiers, defoamers, etc. Among them, the extreme pressure agents play an important role in the drawing liquid. At present, the main types of extrem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09C1/46C09C3/08C09C3/12C10M125/02C10M173/02C10N30/06C10N30/12
CPCC09C1/46C09C3/006C09C3/08C09C3/12C10M125/02C10M173/02C10M2201/14C10M2207/022C10M2207/126C10M2207/283C10M2209/104C10M2209/108C10M2209/109C10M2215/04C10M2219/044C10M2219/046C10M2229/041C10N2030/06C10N2030/12C10N2040/24C10N2010/02C10N2010/04
Inventor 赵雄燕闫思梦
Owner HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY
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