Nano-composite emulsion product and preparation method thereof

A latex product and nano-composite technology, applied in the rubber field, can solve problems affecting product performance, etc., and achieve the effects of simple composition, enhanced tear strength and anti-aging ability, and strong antibacterial properties.

Inactive Publication Date: 2008-10-29
中科纳米涂料技术(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method directly adds nano-powders, which will form a large number of aggregates, which will affect the further improvement of the performance of the product.

Method used

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  • Nano-composite emulsion product and preparation method thereof
  • Nano-composite emulsion product and preparation method thereof
  • Nano-composite emulsion product and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Replace all the zinc oxide in comparative example 1 with the concentrated nano-zinc oxide slurry, that is, the concentrated nano-zinc oxide slurry (effective content is 65%) accounts for 0.77% of the total formula. Its specific composition and preparation process are as follows:

[0040] Nano-composite latex products are calculated as a percentage based on the total weight of the following materials, including:

[0041] (a) Natural latex 40%

[0042] (b) Additives 3.3% (Methylcellulose 0.3%, PX 1.0%, MB 2.0%)

[0043] (c) Nano zinc oxide concentrated slurry 0.77%

[0044] (d) Water 55.93%

[0045] The auxiliary agent (b) mentioned therein includes a mixture of several or more stabilizers, accelerators, anti-aging agents and the like. The used stabilizers, accelerators, anti-aging agents, etc. are conventional auxiliary agents for preparing latex products; in this embodiment, the stabilizer is methyl cellulose, the accelerator is PX, and the anti-aging agent is MB. ...

Embodiment 2

[0058] The specific composition and preparation process of nanocomposite latex products are as follows:

[0059] Nano-composite latex products are calculated as a percentage based on the total weight of the following materials, including:

[0060] (a) Natural latex 35.5%

[0061] (b) Auxiliary ingredients 3.3%

[0062] (c) Nano zinc oxide concentrated slurry 1%

[0063] (d) Water 60.2%

[0064] The auxiliary agent (b) mentioned therein includes a mixture of several or more stabilizers, accelerators, anti-aging agents and the like. The used stabilizer, accelerator, anti-aging agent, etc. are conventional auxiliary agents for preparing latex products; in the present embodiment, the stabilizer is gum arabic, and the addition is 0.2%; the accelerator is zinc dimethyl dithiocarbamate (PZ), the addition amount is 1.5%; the anti-aging agent is 2,2'-methylene-bis(4-methyl-6-tert-butylphenol), the addition amount is 1.6%.

[0065] Wherein, the formula of described nano concentrate...

Embodiment 3

[0070] The specific composition and preparation process of nanocomposite latex products are as follows:

[0071] Nano-composite latex products are calculated as a percentage based on the total weight of the following materials, including:

[0072] (a) Natural latex 35.5%

[0073] (b) Auxiliary ingredients 3.3%

[0074] (c) Nano zinc oxide concentrated slurry 0.2%

[0075] (d) Water 61%

[0076] The auxiliary agent (b) mentioned therein includes a mixture of several or more stabilizers, accelerators, anti-aging agents and the like. The used stabilizer, accelerator, anti-aging agent, etc. are conventional auxiliary agents for preparing latex products; in this embodiment, the stabilizing agent, accelerator, and anti-aging agent are the same as in Example 2.

[0077] Wherein, the formula of described nano concentrated slurry is identical with embodiment 2.

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Abstract

The invention relates to a novel nano composite material, a nano composite latex product, and a preparation method thereof, and belongs to the field of rubber industry. The nano composite latex product is made from (a) natural latex, (b) an auxiliary agent, (c) nano zinc oxide concentrated slurry and (d) water. The auxiliary agent comprises an anti-aging agent, a stabilizer, a promoter, etc. According to the invention, the nano concentrated slurry of a certain concentration is prepared firstly, then the nano concentrated slurry, together with other conventional ingredients, is added and uniformly dispersed in the natural latex at a certain proportion during the conventional presulfurization or compounding operation procedure of the raw materials of the latex product, and finally the latex product containing nano materials is yielded through the conventional immersion molding process. The invention is characterized in that: the nano zinc oxide concentrated slurry is uniformly dispersed in the latex product, so as to avoid aggregate formation caused by direct addition of nano powders and thereby improve the product performance. The latex product has good mechanical properties, such as aging resistance, anti-tear strength, etc., and has antibacterial effect.

Description

technical field [0001] The invention relates to a novel nanocomposite material—a nanocomposite latex product and a preparation method thereof, belonging to the field of rubber. Background technique [0002] Nano zinc oxide is a functional material with a wide range of uses. It has optical, magnetic, thermal and sensitive properties that conventional bulk materials do not have. The product has high activity and has anti-infrared, ultraviolet and anti-virus and sterilization functions. It is mainly used in the following Fields: (1) rubber industry; (2) paint; (3) ceramics; (4) daily chemical industry; (5) magnetic materials, electronic materials. At present, in the rubber industry, the production scale of medical gloves and examination gloves in my country is not small, but only ordinary products can be produced, with low technical content, unstable quality, and low prices in the international market. At present, foreign companies are developing in the direction of high-grade...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/02C08K3/22
Inventor 刘福春张伟钟明成韩恩厚
Owner 中科纳米涂料技术(苏州)有限公司
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