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Nanometer composite material and preparation method thereof, vulcanized rubber and applications thereof

A technology of nanocomposite materials and vulcanized rubber, which is applied in the fields of fibrous fillers, transportation and packaging, and treatment of dyed organic silicon compounds. It can solve the problems of poor processing performance, large dynamic heat generation, and high cost, and achieve excellent wear resistance. Wet skid resistance, rolling resistance reduction effect

Inactive Publication Date: 2016-03-02
CHINA PETROLEUM & CHEM CORP +1
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problems of complex preparation process, high cost and narrow application range of nanocomposites in the prior art, and the rubber material prepared by using the nanocomposites in the prior art has large dynamic heat generation and poor processability, The tire tread rubber prepared with the rubber material is difficult to take into account the defects of low rolling resistance, good wet skid resistance and high wear resistance, and a nanocomposite material is provided. The preparation method of the nanocomposite material consists of the The nanocomposite material prepared by the method, as well as the vulcanized rubber containing the nanocomposite material and the application of the vulcanized rubber

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  • Nanometer composite material and preparation method thereof, vulcanized rubber and applications thereof

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preparation example Construction

[0028] The present invention also provides the preparation method of above-mentioned nano composite material, described method comprises the following steps:

[0029] (1) white carbon black and graphene oxide are mixed in water, and the mixture obtained is spray-dried to obtain a solid;

[0030] (2) The solid obtained in step (1) is mixed with a surface modifier, and then dried.

[0031] According to the present invention, the white carbon black, graphene oxide and surface modifier and the weight ratio of white carbon black, graphene oxide and surface modifier are the same as above.

[0032] In step (1), the weight ratio of the white carbon black, graphene oxide and water is not particularly limited, as long as the white carbon black, graphene oxide and water can be uniformly mixed to form a suspension. Preferably, the weight ratio of the white carbon black, graphene oxide and water is 1:(0.03-0.10):(14-30), more preferably 1:(0.03-0.07):(18-27).

[0033] In step (1), the wa...

Embodiment 1

[0062] This example is used to illustrate the nanocomposite provided by the present invention and its preparation method and the vulcanized rubber provided by the present invention.

[0063] (1) Mix 40 g of white carbon black, 1.2 g of graphene oxide and 780 ml of deionized water, and mechanically stir at 45° C. for 3.5 hours at a stirring speed of 420 rpm to obtain a suspension. Then, the obtained suspension was spray-dried to obtain 40.6 g of solid powder. Wherein, the spray drying speed is 22000 rpm, and the spray drying temperature is 80°C.

[0064] (2) Dissolve 2.0g of methacrylic acid in 40ml of acetone, spray evenly on the surface of the solid powder obtained in step (1), and dry at 90°C for 3.5 hours to obtain a modified white carbon black-graphene oxide nanocomposite Material F1. After removing unreacted methacrylic acid, the nanocomposite F1 was measured by infrared spectroscopy (IR), and in the IR spectrum 1635cm -1 and 2960cm -1 The absorption peaks attributed ...

Embodiment 2

[0071] This example is used to illustrate the nanocomposite provided by the present invention and its preparation method and the vulcanized rubber provided by the present invention.

[0072] (1) Mix 50 g of white carbon black, 2 g of graphene oxide and 1050 ml of deionized water, and mechanically stir at 30° C. at a stirring speed of 380 rpm for 2.5 hours to obtain a suspension. Then, the obtained suspension was spray-dried to obtain 50.4 g of solid powder. Wherein, the speed of spray drying is 18000 rpm, and the temperature of spray drying is 85°C.

[0073] (2) Dissolve 3g of 3-mercaptopropionic acid in 45ml of acetone, spray evenly on the surface of the solid powder obtained in step (1), and dry at 95°C for 2.5 hours to obtain a modified silica-graphene oxide nanocomposite Material F2. After removal of unreacted 3-mercaptopropionic acid, the nanocomposite F2 was measured by infrared spectroscopy, 2560cm in the IR spectrum -1 Absorption peaks attributable to sulfhydryl gro...

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Abstract

The present invention discloses a nanometer composite material and a preparation method thereof, the nanometer composite material prepared through the method, and a vulcanized rubber containing the nanometer composite material and applications thereof. According to the present invention, the nanometer composite material contains white carbon black, graphene oxide, and a surface modifier attached onto the surface of the white carbon black and / or graphene oxide; the nanometer composite material preparation method comprises uniformly mixing the white carbon black and the graphene oxide in water, carrying out spray drying to obtain a solid, mixing the obtained solid and the surface modifier, and drying; the present invention further provides the vulcanized rubber and applications of the vulcanized rubber in tire material preparation, wherein the mixture containing the nanometer composite material, a raw material rubber, a vulcanizing agent and an accelerator is subjected to mixing and vulcanizing to form the product, ie., the vulcanized rubber; the nanometer composite material has excellent dispersion property and excellent compatibility; and the vulcanized rubber has characteristics of good tensile property, good abrasion resistance and good dynamic mechanical property.

Description

technical field [0001] The invention relates to a nanocomposite material, a preparation method of the nanocomposite material, a nanocomposite material prepared by the method, a vulcanized rubber containing the nanocomposite material and an application of the vulcanized rubber. Background technique [0002] With the continuous aggravation of the worldwide energy crisis and environmental pollution, people pay more and more attention to energy saving and environmental protection. In order to reduce fuel consumption and greenhouse gas emissions, the automobile industry is also developing towards energy conservation and environmental protection, and the improvement of automobile tires is an important aspect of promoting automobile energy conservation and environmental protection. In this regard, the European Union promulgated two new regulations involving tires in 2009, requiring maximum tire safety and reduced noise while reducing fuel consumption as much as possible. Therefore...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/46C09C1/28C09C3/08C09C3/12C08K9/04C08K9/06C08K3/36C08K3/04C08L9/00C08L9/06C08K13/06C08K3/06C08K3/22C08K5/14B29C35/02B60C1/00
Inventor 曲亮靓解希铭姜科于国柱赵青松王丽静李绍宁乔勋昌刘苹刘翠云
Owner CHINA PETROLEUM & CHEM CORP
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