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Macromolecular material based on modified montmorillonite clay and preparation method thereof

A technology of polymer materials and montmorillonite, which is applied in the field of polymer materials, can solve the problems of insufficient mechanical properties of composite materials, poor resin compatibility, poor dispersion, etc., and achieve excellent mechanical properties, low friction coefficient, and simple methods.

Inactive Publication Date: 2017-09-26
芜湖市三山区绿色食品产业协会
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the invention is to provide a polymer material based on modified montmorillonite and its preparation method, which solves the problem that montmorillonite, as a composite material additive, has poor dispersibility in the resin, is easy to agglomerate itself, and is not compatible with the resin. The capacity is poor, and the mechanical properties of the prepared composite materials are insufficient.

Method used

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  • Macromolecular material based on modified montmorillonite clay and preparation method thereof

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preparation example Construction

[0013] The invention provides a kind of preparation method of the polymer material based on modified montmorillonite, and described preparation method comprises:

[0014] (1) Mix montmorillonite, silane coupling agent and absolute ethanol, and obtain modified montmorillonite after filtering;

[0015] (2) Mix modified montmorillonite, methacrylic acid, polyvinyl chloride, xylene, polylactic acid and ethylene glycol to obtain a mixed solution M, and thermoform the mixed solution to obtain a copolymer plate;

[0016] (3) adding the copolymer plate into the liquid resin matrix to obtain a mixed solution N, and thermoforming the mixed solution N to obtain a polymer material based on modified montmorillonite.

[0017] In a preferred embodiment of the present invention, in order to further improve the mechanical properties of the prepared polymer material, relative to 100 parts by weight of montmorillonite, the amount of the silane coupling agent is 10-20 parts by weight, The consum...

Embodiment 1

[0028] Mix 100g of montmorillonite, 10g of silane coupling agent and 180g of absolute ethanol (using ultrasonic dispersion, and the frequency of ultrasonic dispersion is 20kHz, and the time of ultrasonic dispersion is 10min), and filter to obtain modified montmorillonite; 100g of modified montmorillonite, 20g of methacrylic acid, 10g of polyvinyl chloride, 1g of xylene, 50g of polylactic acid and 50g of ethylene glycol are mixed to obtain a mixed solution M, and the mixed solution is thermoformed (the thermoforming temperature is 150°C, The thermoforming time is 30min) to obtain a copolymer plate; 100g of the copolymer plate is added to 400g of liquid epoxy resin matrix to obtain a mixed solution N, and the mixed solution N is thermoformed (the thermoforming temperature is 170°C , the thermoforming time is 20min) to obtain the polymer material A1 based on modified montmorillonite.

Embodiment 2

[0030] Mix 100g of montmorillonite, 20g of silane coupling agent and 220g of absolute ethanol (using ultrasonic dispersion, and the frequency of ultrasonic dispersion is 30kHz, and the time of ultrasonic dispersion is 20min), and then filter to obtain modified montmorillonite; 100g of modified montmorillonite, 30g of methacrylic acid, 20g of polyvinyl chloride, 5g of xylene, 70g of polylactic acid and 80g of ethylene glycol were mixed to obtain a mixed solution M, and the mixed solution was thermoformed (the thermoforming temperature was 160°C, The thermoforming time is 40min) to obtain a copolymer plate; 100g of the copolymer plate is added to 600g of liquid bis-horse resin matrix to obtain a mixed solution N, and the mixed solution N is thermoformed (the thermoforming temperature is 180°C , the thermoforming time is 30min) to obtain the polymer material A2 based on modified montmorillonite.

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Abstract

The invention discloses a macromolecular material based on modified montmorillonite clay and a preparation method thereof. The preparation method comprises the following steps of mixing montmorillonite clay, a silane coupling agent and absolute ethyl alcohol, and filtering to obtain the modified montmorillonite clay; mixing the modified montmorillonite clay, methacrylic acid, polyvinyl chloride, dimethylbenzene, polylactic acid and ethylene glycol to obtain a mixed solution M, and subjecting the mixed solution to thermoforming to obtain a copolymer plate; adding the copolymer plate into a liquid resin matrix, so as to obtain a mixed solution N, and subjecting the mixed solution N to the thermoforming to obtain the macromolecular material based on the modified montmorillonite clay. The problems that the montmorillonite clay is poorer in dispersity in resin, is autologously easily agglomerated and is poorer in the compatibility with the resin when being used as an additive for a composite material and the made composite material is insufficient in mechanical performance are solved.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a polymer material based on modified montmorillonite and a preparation method thereof. Background technique [0002] According to the classification of material application functions, polymer materials are divided into three categories: general polymer materials, special polymer materials and functional polymer materials. General-purpose polymer materials refer to polymer materials that can be produced on a large scale and have been widely used in major areas of the national economy such as construction, transportation, agriculture, electrical and electronic industries, and people's daily lives. These are divided into different types such as plastics, rubber, fibers, adhesives, and coatings. Special polymer materials are mainly a class of polymer materials with excellent mechanical strength and heat resistance, such as polycarbonate, polyimide and other materials, which have bee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/00C08L79/08C08L61/06C08L51/00C08L51/08C08K9/06C08K3/34C08F291/06C08F291/04C08F220/06
CPCC08L63/00C08F259/04C08F283/02C08L61/06C08L79/085C08L51/003C08L51/08C08K9/06C08K3/346C08F220/06
Inventor 余芳
Owner 芜湖市三山区绿色食品产业协会
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