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Active calcium silicate, and preparation method and application thereof

A technology of active calcium silicate and calcium silicate, which is applied in the treatment of dyed organic silicon compounds, dyed low-molecular organic compounds, and fibrous fillers. It can solve the problems of difficult solution recovery, flammability and explosion, and high production costs. Achieve good toughening effect, low production cost and good dispersion effect

Inactive Publication Date: 2014-12-10
DATANG INT HIGH ALUMINA COAL R & D CENT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of alcohols has problems such as inflammability and explosion in production, high production costs, and difficult solution recovery.

Method used

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  • Active calcium silicate, and preparation method and application thereof

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Effect test

Embodiment 1

[0028] The preparation of embodiment 1 active calcium silicate

[0029] (1) Mix 1kg of vinyltriethoxysilane and 30kg of water into a dispersion, and stir for half an hour at 20°C;

[0030] (2) Then, 15kg of calcium silicate was added to the above-mentioned dispersion liquid, and at 60°C, the stirring was continued for 2 hours; finally, the modified active calcium silicate solution was suction-filtered;

[0031] (3) Dry the active calcium silicate prepared in step (1) for 2 hours in a vacuum oven at 100° C. to obtain the product.

Embodiment 2

[0032] The preparation of embodiment 2 active calcium silicates

[0033] (1) Mix 1kg of vinyltrimethoxysilane and 1900kg of water into a dispersion, and stir for half an hour at 40°C;

[0034] (2) Then, 190kg of calcium silicate was added to the above-mentioned dispersion liquid, and at 100°C, the stirring was continued for 2 hours; finally, the modified active calcium silicate solution was suction-filtered;

[0035] (3) Dry the active calcium silicate prepared in step (1) for 4 hours at 150° C. in a vacuum oven to obtain the product.

Embodiment 3

[0036] The preparation of embodiment 3 active calcium silicate

[0037] (1) Mix 5kg of vinyl tris(β-methoxyethoxy)silane and 500kg of water into a dispersion liquid, and stir for half an hour at 25°C;

[0038] (2) Then, 100kg of calcium silicate was added to the above-mentioned dispersion liquid, and at 90°C, the stirring was continued for 2 hours; finally, the modified active calcium silicate solution was suction-filtered;

[0039] (3) Dry the active calcium silicate prepared in step (1) for 3 hours in a vacuum oven at 120° C. to obtain the product.

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Abstract

The invention discloses an active calcium silicate, and a preparation method and application thereof. The preparation method comprises the following steps: (1) mixing a coupling agent and water to prepare a dispersion solution; (2) adding calcium silicate into the dispersion solution prepared in the step (1), and stirring; carrying out vacuum filtration to obtain modified active calcium silicate; and (3) drying the active calcium silicate prepared in the step (2). The invention also discloses a plastic stuffing which comprises the active calcium silicate, a lubricant, polymers and a compatilizer. The invention also discloses a method for preparing the plastic stuffing. When being used in blow molding, running, injection molding and other plastic products, the active calcium silicate or plastic stuffing has favorable dispersion effect and toughening effect.

Description

technical field [0001] The present invention relates to active calcium silicate, and further relates to a preparation method of active calcium silicate and its application in preparing plastic fillers, blow molding, tape casting, injection molding and other plastic products, and belongs to the technical field of preparation and application of active calcium silicate . Background technique [0002] Calcium silicate is a kind of plastic filler. Due to its low price, non-toxicity, and good chemical stability, adding it to plastics can reduce costs and improve the mechanical properties of products. Therefore, calcium silicate is used in plastics. Has a good application. Calcium silicate is an inorganic particle and has poor compatibility with plastics. Calcium silicate is directly added to plastics, which is prone to agglomeration and poor modification effect. At the same time, a large amount of dust and water vapor will be generated during processing, which is not conducive t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/28C09C3/12C09C3/08C08K9/04C08K9/06C08K3/34
Inventor 孙俊民伍泽广何路东马鹏程王向东
Owner DATANG INT HIGH ALUMINA COAL R & D CENT
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