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Modified soapstone, quaternary ammonium polylactide/fulvate modified soapstone composite material and preparation methods and products thereof

A technology of fulvic acid and composite materials, which is applied in the field of polylactic acid/quaternary ammonium humic acid modified saponite composite materials and modified saponite, and can solve the problem of low added value of saponite, application limitations of polylactic acid materials, weathering The problem of low utilization rate of coal, etc., can achieve the effect of improving antibacterial properties, improving tensile strength and heat resistance, and expanding application fields.

Inactive Publication Date: 2015-06-24
XINJIANG UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention provides a modified saponite, polylactic acid / flavic acid quaternary ammonium salt modified saponite composite material and its preparation method and products, which overcome the above-mentioned deficiencies in the prior art, and can effectively solve the application of polylactic acid materials Limited, low added value of soapstone and low utilization rate of weathered coal

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1, this modified soapstone raw material comprises soapstone and fulvic acid quaternary ammonium salt, the mass ratio of soapstone and fulvic acid quaternary ammonium salt is 1:0.5 to 1:3; This modified soapstone is prepared according to the following method Obtain: the first step, take saponite and fulvic acid quaternary ammonium salt in proportion, mix the saponite that has weighed in deionized water and be mixed with the saponite suspension that mass percent concentration is 1% to 10%, Mix the weighed quaternary ammonium fulvic acid in deionized water to prepare an aqueous solution of quaternary ammonium fulvic acid with a concentration of 1% to 10% by mass; in the second step, the prepared saponite suspension is After ultrasonic dispersion at a temperature of 30°C to 60°C and a power of 50W to 100W for 6 hours to 12 hours, add the prepared aqueous solution of fulvic acid quaternary ammonium salt and mix well, then at a temperature of 30°C to 60°C, Ultras...

Embodiment 2

[0026] Embodiment 2, this modified soapstone raw material comprises soapstone and fulvic acid quaternary ammonium salt, the mass ratio of soapstone and fulvic acid quaternary ammonium salt is 1:0.5 or 1:3; This modified soapstone is prepared according to the following method Obtain: the first step, take saponite and fulvic acid quaternary ammonium salt in proportion, mix the saponite that has been weighed in deionized water and prepare the saponite suspension that mass percent concentration is 1% or 10%, Mix the weighed quaternary ammonium fulvic acid in deionized water to prepare an aqueous solution of quaternary ammonium fulvic acid with a mass percentage concentration of 1% or 10%; in the second step, prepare the saponite suspension in After ultrasonic dispersion at 30°C or 60°C and power of 50W or 100W for 6 hours or 12 hours, add the prepared aqueous solution of fulvic acid quaternary ammonium salt and mix evenly, and then at a temperature of 30°C or 60°C, Ultrasonic ir...

Embodiment 3

[0027] Embodiment 3, to the optimization of above-mentioned embodiment, in embodiment 3, fulvic acid quaternary ammonium salt obtains by following preparation method: the first step, with fulvic acid and mass percentage concentration be the strong ammoniacal liquor of 25% by mass ratio: Mix 1:1 to 1:3 together in a container, heat the container to react the materials in the container at a temperature of 140°C to 200°C for 0.5 hours to 2 hours, and dry at a temperature of 40°C to 60°C after the reaction After 24 hours, dry and pulverize to obtain a yellow powdery substance; the second step, add formaldehyde to the yellow powdery substance and mix evenly. The mass ratio of the yellow powdery substance to formaldehyde is 1:0.5 to 1:1.5. Adjust the pH value to 7 to 10, react at a temperature of 50°C to 80°C for 0.5 hours to 2 hours, add triethylamine or dimethylamine or trimethylamine after the reaction and mix well, triethylamine or dimethylamine or trimethylamine The mass ratio...

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Abstract

The invention relates to the technical field of modified soapstone and quaternary ammonium polylactide / fulvate modified soapstone composite materials and discloses modified soapstone, a quaternary ammonium polylactide / fulvate modified soapstone composite material and preparation methods and products thereof. The modified soapstone is prepared from soapstone and quaternary ammonium fulvate, wherein the mass ratio of soapstone to quaternary ammonium fulvate is 1: 0.5 to 1: 3. Compared with the polylactic-acid base materials in the prior art, the quaternary ammonium polylactide / fulvate modified soapstone composite material and products thereof disclosed by the invention have the advantage that both tensile strength and heat resistance are improved obviously; the antibacterial performance of the quaternary ammonium polylactide / fulvate modified soapstone composite material disclosed by the invention is improved remarkably compared with the polylactic-acid base materials in the prior art, so that the field of the application of the polylactic-acid base materials is widened; moreover, the modified soapstone, the quaternary ammonium polylactide / fulvate modified soapstone composite material and the preparation methods and products thereof have important significance in promoting the high-added-value development of weathered coal resources and soapstone resources.

Description

technical field [0001] The invention relates to the technical field of modified saponite, polylactic acid / flavic acid quaternary ammonium salt modified saponite composite material, and relates to a modified saponite, polylactic acid / flavic acid quaternary ammonium salt modified saponite composite material and Its preparation method and products. Background technique [0002] Polylactic acid (Polylactic acid) polymer material, not only can be degraded naturally in the natural environment, but also can be degraded in the living body, non-toxic and good biocompatibility. At present, it is widely used as tissue engineering scaffold materials, drug-controlled sustained-release materials, etc. Compared with traditional plastics such as polypropylene, the products of polylactic acid incineration are carbon dioxide and water, and the carbon dioxide produced can be absorbed by plants and participate in the photosynthesis of plants without causing environmental load. It is an envi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K9/04
Inventor 甄卫军朱昇美孙明广王文涛
Owner XINJIANG UNIVERSITY
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