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Flexible and elastic natural rubber material and preparation method thereof

A technology of natural rubber and elasticity, which is applied in the field of flexible and elastic natural rubber materials and its preparation, which can solve the problems of shortening the reaction time, single preparation method, cumbersome process, etc., and achieves the effects of comfortable texture, good UV resistance and improved heat resistance

Inactive Publication Date: 2016-04-06
HEFEI JIEMING NEW MATERIAL TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In addition, scholars have inserted ionic liquids into kaolinite layers to form nanostructures, which are widely used in electrode modification, catalysts, and detection of anions. Ionic liquid intercalated kaolinite has good thermal stability, electrical conductivity and optical properties. However, the preparation method of ionic liquid intercalated kaolinite abroad is single, and the cycle is long and the process is cumbersome. In the present invention, it is improved and simplified. The experimental process is simplified, the reaction time is shortened, and a better intercalation effect can be obtained at the same time

Method used

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Embodiment Construction

[0025] A kind of flexible elastic natural rubber material, it is made up of the raw material of following parts by weight:

[0026] Trimethylolpropane 0.1, stannous sulfide 0.8, pentaerythritol 2, antioxidant RD1, natural rubber 100, kaolinite powder 20, dimethyl sulfoxide 400, methanol 900, N-methylimidazole 70, ethyl bromide 100, Nano silicon oxide 4, sulfur 1, polyethylene benzene sulfonic acid 2, ammonium molybdate 1, tricresyl phosphate 5.

[0027] A kind of preparation method of described flexible elastic natural rubber material, comprises the following steps:

[0028] (1) Add the above-mentioned ammonium molybdate to 30 times deionized water, stir and mix for 2 minutes, add kaolinite powder and trimethylolpropane, raise the temperature to 60°C, stir at 600 rpm for 10 minutes, and filter with suction. Get pretreated stone powder;

[0029] (2) Take the above-mentioned pretreated stone powder, add it to 1.6 times its weight in distilled water, add dimethyl sulfoxide, sti...

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Abstract

The invention discloses a flexible and elastic natural rubber material which is prepared from, by weight, 0.1-0.2 part of trimethylolpropane, 0.8-1 part of stannous sulfide, 2-3 parts of pentaerythritol, 1-2 parts of an anti-aging agent RD, 100-140 parts of natural rubber, 20-30 parts of kolinite powder, 400-500 parts of dimethyl sulfoxide, 900-1000 parts of dimethyl sulfoxide, 70-80 parts of N-methylimidazole, 100-120 parts of bromoethane, 4-6 parts of nanosized silica, 1-1.6 parts of nanosized silica, 2-3 parts of polyethylene benzene sulfonic acid, 1-2 parts of ammonium molybdate and 5-7 parts of tricresyl phosphate. The rubber material is good in suppleness, good in rebound resilience and comfortable in texture and can be used as a buffer material for toys and cars and a ball surface material and the like.

Description

technical field [0001] The invention relates to the technical field of rubber, in particular to a flexible elastic natural rubber material and a preparation method thereof. Background technique [0002] Kaolinite is one of the clay minerals of kaolin (kaolinite, dickite, nacre, halloysite, etc.) with l:l layered structure, composed of SiO4 tetrahedral layer and AlO2(OH)4 octahedral layer. 1:1 superimposed to form an asymmetric layered structure, thus establishing a large stack of dipoles, the interlayers are connected by (Al—O—H…O—Si) hydrogen bonds, and the interlayer distance is about 072nm. There is no isomorphic replacement in the crystal lattice, and the charge in the interlayer domain is basically balanced, so that cations cannot be adsorbed in its two-dimensional layer. In addition, due to the interaction of hydrogen bonding force and van der Waals force between layers, it has a considerable Cohesion, so the crystal layers are tightly connected and stable in performa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L25/18C08K13/06C08K9/04C08K3/34C08K3/36C08K5/053C08K5/523C08K3/24
CPCC08L7/00C08L2201/08C08L25/18C08K13/06C08K9/04C08K3/346C08K3/36C08K5/053C08K5/523C08K3/24
Inventor 高芳
Owner HEFEI JIEMING NEW MATERIAL TECH CO LTD
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