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High-molecular polymer antibacterial masterbatch based on one-dimensional nanometer Ag/C composite material and preparation method thereof

A technology of high molecular polymer and composite material, which is applied in the field of high molecular polymer antibacterial masterbatch and its preparation, can solve the problems that the antibacterial masterbatch is only applicable, and the application of high molecular polymer material has not been seen, and achieves high-efficiency and long-lasting antibacterial effect. Effect

Inactive Publication Date: 2018-08-17
浙江中迪纺织新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the antibacterial masterbatch prepared by this invention is only suitable for polypropylene, but cannot be used for other polymer materials
[0006] However, due to technical problems in application, there has been no application in high molecular polymer materials so far.

Method used

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  • High-molecular polymer antibacterial masterbatch based on one-dimensional nanometer Ag/C composite material and preparation method thereof
  • High-molecular polymer antibacterial masterbatch based on one-dimensional nanometer Ag/C composite material and preparation method thereof

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preparation example Construction

[0030] The preparation method of the one-dimensional nano Ag / C composite material is: dissolving 8 parts of microcrystalline cellulose in 900 parts of deionized water, adding 0.4 parts of silver nitrate aqueous solution with a concentration of 0.1 mol / L, and dispersing uniformly at 140°C. After reacting for 3 hours, 10 parts of hydrogen peroxide solution with a mass fraction of 45% are added, the temperature is raised to 240° C. and the reaction is continued for 8 hours, and the one-dimensional nano Ag / C composite material is obtained by centrifugal drying and grinding.

[0031] The inorganic powder is modified by doping with rare earth elements before the surface modification. The modification method is: a) 45 parts by weight of inorganic powder, 15 parts by weight of high alumina bauxite powder, 3 parts by weight of praseodymium nitrate and 5 parts by weight Part of the yttrium nitrate was mixed and dried by wet ball milling at 220°C for 80 minutes to obtain precursor powder;

[...

Embodiment 1

[0035] The preparation process of the present invention includes:

[0036] A preparation method of high molecular polymer antibacterial masterbatch based on one-dimensional nano Ag / C composite material. The raw materials include the following components calculated in parts by weight: 62 parts of polybutylene terephthalate (PBT), one 15 parts of dimensional nano Ag / C composite material, 15 parts of inorganic powder, 1.3 parts of surface modifier, 4 parts of dispersant, 0.8 part of antioxidant, 1.2 part of lubricant, 0.7 part of stabilizer.

[0037] PBT resin is a fiber-grade PBT resin;

[0038] One-dimensional nano Ag / C composite materials are commercially available products with a particle size of 10-50nm.

[0039] The inorganic powder is 3000 mesh calcium carbonate powder.

[0040] The surface modifier of inorganic powder is a compound of aluminate coupling agent and titanate in a mass ratio of 1:1.

[0041] The dispersant is a low molecular weight ethylene-vinyl acetate copolymer.

[0...

Embodiment 2

[0058] A preparation of nylon-6 antibacterial masterbatch based on one-dimensional nano Ag / C composite material. The raw materials include the following components calculated in parts by weight: 56.2 parts of nylon-6 resin, 20 parts of one-dimensional nano Ag / C composite material, 15 parts of inorganic powder, 1.5 parts of surface modifier, 5 parts of dispersant, 0.9 part of antioxidant, 1.4 part of lubricant, 0.5 part of stabilizer.

[0059] Nylon-6 resin is a conventional commercially available nylon-6 resin;

[0060] One-dimensional nano Ag / C composite material: a commercially available product with a particle size of 10-50nm.

[0061] The inorganic powder is 2500 mesh calcium carbonate powder.

[0062] The surface modifier of inorganic powder is KH560 silane coupling agent.

[0063] The dispersant is low molecular weight polyethylene.

[0064] Antioxidants are tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester (antioxidant 1010) and tris[2.4-di-tert-b...

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Abstract

The invention relates to a high-molecular polymer antibacterial masterbatch based on a one-dimensional nanometer Ag / C composite material and a preparation method thereof, belonging to the technical field of high-tech functional composite materials. The high-molecular polymer antibacterial masterbatch is prepared from 36 to 88 parts of a high-molecular polymer, 5 to 25 parts of micro-nano inorganicpowder, 5 to 20 parts of a one-dimensional nanometer Ag / C composite material, 5 to 19 parts of an auxiliary agent and the like through blending, plasticizing, mixing, extruding, drawing, cooling andgranulation. According to the invention, the one-dimensional nanometer Ag / C composite material is fully and effectively dispersed, so the one-dimensional nanometer Ag / C composite material is preventedfrom failures due to agglomeration and allowed to maintain long-lasting antibacterial effect, and can be effectively applied to the high-molecular polymer. The high-molecular polymer antibacterial masterbatch of the invention has the characteristics of no toxicity and no harm to the body, environmental protection performance, high-efficiency and long-lasting antibacterial performance, excellent performance, a wide application scope, etc., and can be applied to bacterium prevention, bacteriostasis and anticorrosion of high-molecular polymers.

Description

Technical field [0001] The invention belongs to the field of high-tech functional composite materials. Specifically, it relates to a high molecular polymer antibacterial master batch based on one-dimensional nano Ag / C composite material and a preparation method thereof. Background technique [0002] Diseases caused by various pathogenic bacteria, fungi and viruses pose a serious threat to human health. Therefore, various antibacterial materials have become the focus of research. The demand for high molecular polymer materials with antibacterial functions is also increasing. The preparation method of antibacterial polymer materials is generally added in the form of master batches. [0003] However, in the existing antibacterial high molecular polymer materials, the antibacterial components in the resin cannot effectively migrate to the surface, but play its role and waste its function. [0004] Among them, inorganic antibacterial materials have been more and more important applicat...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08L77/02C08L23/08C08L23/06C08L83/04C08L23/12C08K13/06C08K9/04C08K3/26C08K3/08C08K3/04C08K3/34
CPCC08K2003/0806C08K2003/265C08K2201/011C08L23/12C08L67/02C08L77/02C08L2205/025C08L2205/03C08L23/0853C08K13/06C08K9/04C08K3/26C08K3/08C08K3/04C08L23/06C08L83/04C08K9/06C08K3/34
Inventor 秦发明
Owner 浙江中迪纺织新材料科技有限公司
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