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Nano zinc oxide modified foaming material and preparation method thereof

A technology of nano-zinc oxide and foaming materials, which is applied in the field of chemical materials, can solve the problems of lack of preparation methods for nano-zinc oxide modified foaming materials, etc., and achieve the effects of excellent comprehensive mechanical properties, improved dielectric constant, and high conductivity

Inactive Publication Date: 2015-08-26
周末
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] At present, there is a lack of a conductive nano-zinc oxide modified foam material and its preparation method

Method used

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  • Nano zinc oxide modified foaming material and preparation method thereof
  • Nano zinc oxide modified foaming material and preparation method thereof
  • Nano zinc oxide modified foaming material and preparation method thereof

Examples

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Embodiment 1

[0038] The present invention of the present invention provides a kind of nano-zinc oxide modified foaming material, is made up of the component that comprises following parts by weight:

[0039]

[0040]

[0041] Described compound blowing agent is made up of the component that comprises following parts by weight:

[0042]

[0043] The polylactic acid is a matrix resin, the nano zinc oxide is a conductive material, and the flexible and biodegradable polycaprolactone is a toughening agent.

[0044] The foam accelerator is dibutyltin dilaurate.

[0045] The weight average molecular weight of the polycaprolactone is 60,000. The models of the polylactic acid are 4032D and 2002D, and the mass ratio of the two is 1:1.

[0046] The preparation method of nano-zinc oxide modified foam material of the present invention, comprises the steps:

[0047] (1) Weigh each component in the above ratio, mix them thoroughly in a high-speed blender according to the ratio, and dry them f...

Embodiment 2

[0058] The difference between embodiment 2 and embodiment 1 is: the present invention of the present invention provides a kind of nano-zinc oxide modified foaming material, is made up of the component that comprises following parts by weight:

[0059]

[0060]

[0061] Described compound blowing agent is made up of the component that comprises following parts by weight:

[0062]

[0063] The foam accelerator is a combination of dibutyltin maleate and di(n-octyl)tin maleate.

[0064] The weight average molecular weight of the polycaprolactone is 70,000.

[0065] The preparation method of nano-zinc oxide modified foam material of the present invention, comprises the steps:

[0066] (1) Weigh each component in the above ratio, mix them thoroughly in a high-speed blender according to the ratio, and dry them for later use; the drying time for the raw materials is 17 hours.

[0067] (2) Extrude and granulate the uniformly mixed raw materials at a temperature of 150° C. us...

Embodiment 3

[0071] The difference between embodiment 3 and embodiment 1 is: the present invention of the present invention provides a kind of nanometer zinc oxide modified foaming material, is made up of the component that comprises following parts by weight:

[0072]

[0073] Described compound blowing agent is made up of the component that comprises following parts by weight:

[0074]

[0075] The polylactic acid is a matrix resin, the nano zinc oxide is a conductive material, and the flexible and biodegradable polycaprolactone is a toughening agent.

[0076] The foam accelerator is dibutyltin maleate.

[0077] The weight average molecular weight of the polycaprolactone is 90,000.

[0078] The preparation method of nano-zinc oxide modified foam material of the present invention, comprises the steps:

[0079] (1) Weigh the components in the above proportions, mix them thoroughly in a high-speed blender according to the ratio, and dry them for later use; the drying time for the ra...

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Abstract

The invention discloses a nano zinc oxide modified foaming material. The nano zinc oxide modified foaming material comprises components in parts by weight as follows: 80-95 parts of polylactic acid, 10-20 parts of bisphenol epoxy resin, 5-30 parts of polycaprolactone, 5-20 parts of nano zinc oxide, 6-18 parts of a compound foaming agent, 3-5 parts of a quaternary ammonium compound or fatty glyceride, 3-8 parts of an organic phosphate nucleating agent or organically modified nano-montmorillonite and 1-2 parts of lauric acid. According to the nano zinc oxide modified foaming material, the process is simple and easy, and the polylactic acid based composite foaming conductive material with excellent conductivity and general mechanical performance, good heat resistance and controllable density can be prepared economically and effectively.

Description

【Technical field】 [0001] The invention belongs to the field of chemical materials, and in particular relates to a nano zinc oxide modified foam material and a preparation method thereof. 【Background technique】 [0002] Today, the electronic information industry is showing a trend of sustained and rapid development, and high-dielectric materials with excellent performance have important applications in capacitors, sensors, and microwave devices. Compared with traditional high-dielectric inorganic materials, high-dielectric polymer-based materials have many outstanding characteristics, such as good mechanical properties, electrical properties, thermal properties, processability, light weight, etc., and are the current high dielectric constant materials. Materials research hotspots. Therefore, on the basis of mechanical, thermal, lightweight and other modifications to the PLA material, if the composite material can be further made to have electrical conductivity, then the appl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/04C08L63/00C08K13/06C08K3/22C08K9/06C08K3/34C08K5/09C08K13/02C08K5/103C08J9/10
Inventor 周末
Owner 周末
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