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A kind of preparation method of natural rubber/attapulgite nanocomposite material

A nanocomposite material, attapulgite technology, applied in the field of polymer composite materials

Active Publication Date: 2019-01-18
LANZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • A kind of preparation method of natural rubber/attapulgite nanocomposite material
  • A kind of preparation method of natural rubber/attapulgite nanocomposite material
  • A kind of preparation method of natural rubber/attapulgite nanocomposite material

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Embodiment

[0021] 1. Raw materials and experimental equipment

[0022] (1) Experimental raw materials:

[0023] Attapulgite Xuyi County, Jiangsu Province

[0024] Glucose commercially available analytically pure

[0025] Natural rubber commercially available

[0026] (2) Experimental equipment

[0027] High temperature tubular atmosphere furnace WLS-1600 Hefei Kejing Instrument Co., Ltd.;

[0028] Vacuum drying oven DZF-6020 Shanghai Yiheng Scientific Instrument Co., Ltd.;

[0029] Electric constant temperature water bath: DK-98-1 type, Tianjin Test Instrument Co., Ltd.;

[0030] Open plastic mixer: SK-160B type, Shanghai Light Industry Machinery Co., Ltd.;

[0031] Flat vulcanizing machine: QLB-350×350×2 type, Shanghai No.1 Rubber Machinery Factory.

[0032] 2. Purification of attapulgite

[0033] Take 100g of attapulgite, configure it into an aqueous solution with a mass concentration of 10%, add 3g of dispersant sodium hexametaphosphate, heat in a water bath at 60°C, stir for ...

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Abstract

The invention relates to a natural rubber / attapulgite nanometer composite material preparation method. The method comprises: soaking and coating natural attapulgite being subjected to sedimentation centrifugation purification by using a soluble carbon source solution, drying, grinding, screening, placing into a reducing atmosphere, carrying out high temperature carbonization to obtain nanometer attapulgite with carbon coated on the surface, carrying out mixing on the obtained nanometer attapulgite and natural rubber, and vulcanizing to obtain the natural rubber / attapulgite nanometer composite material. The process sequentially comprises: A, attapulgite purification; B, attapulgite pre-coating; C, surface carbonization of attapulgite; D, mixing of natural rubber and attapulgite; and E, composite material vulcanizing. According to the present invention, after the natural attapulgite is simply treated, the surface polarity can be changed under the premise of no damage on the fibrous structure, such that the compatibility with the non-polar rubber can be enhanced, the filling amount of the attapulgite in the rubber matrix is increased, and the natural rubber / attapulgite nanometer composite material having the excellent mechanical property is prepared.

Description

technical field [0001] The field of the invention belongs to the technical field of polymer composite materials, specifically a method for preparing natural rubber / attapulgite nano-composite materials by using surface carbonization modified attapulgite. Background technique [0002] Attapulgite clay, referred to as attapulgite, also known as palygorskite, is a silicate mineral rich in magnesium and aluminum, with a typical chemical formula of Mg 5 Si 8 o 20 (OH) 2 (OH 2 ) 4 4H 2 O has a unique structure. The diameter of a single fiber crystal is about 20-70nm, and the length is about 0.5-5μm. It is a natural one-dimensional nanomaterial with many excellent properties. Metal clay minerals, known as "the king of a thousand soils, the universal soil". Products not only involve traditional industries such as chemical industry, machinery, energy, automobiles, light industry, metallurgy, and building materials, but also enter high-tech industries represented by information,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L7/00C08K9/00C08K3/34
Inventor 刘伟生王文杰张国林
Owner LANZHOU UNIVERSITY