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Method for producing compound and modified quartz powder by using aluminate ester and methyl acryloxyl silicane

A technology of methacryloyloxysilane and methacryloyloxypropyltrimethoxysilane, which is applied in the directions of dyeing organosilicon compound treatment, fibrous fillers, etc., can solve problems such as undiscovered

Inactive Publication Date: 2009-05-27
CHENGDU UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

After searching, no patent application or literature report on the composite modified powder quartz process using aluminate coupling agent and γ-methacryloxypropyltrimethoxysilane coupling agent was found

Method used

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Examples

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Effect test

Embodiment 1

[0029] The present invention adopts a kind of processing method of aluminate coupling agent and gamma-methacryloxypropyl trimethoxysilane coupling agent compound modified powder quartz (400 orders), and its processing steps are as follows:

[0030] (1) Preheat and dry 400-mesh powdered quartz with a drying time of 60 minutes and a drying temperature of 100°C.

[0031] (2) The amount of ammonia water is 1.0‰ of that of powdered quartz, and the ratio of ammonia water: water = 1:3 is used to prepare modification additives.

[0032] (3) According to the total amount of aluminate coupling agent and γ-methacryloxypropyltrimethoxysilane coupling agent, it is 0.7% by weight of the amount of powder quartz used to weigh the coupling agent, and Ester: γ-methacryloxypropyltrimethoxysilane = 1:1, coupling agent: absolute ethanol: water = 1:2:1 ratio to prepare coupling agent dilution.

[0033] (4) Put the powdered quartz prepared according to the step (1) into a ball mill, and add the amm...

Embodiment 2

[0038]The present invention is a kind of technological method of using aluminate coupling agent and γ-methacryloyloxypropyl trimethoxysilane compound modified powder quartz (600 mesh), its raw material, coupling agent type and proportion , modified auxiliary agent type and proportion, preparation method is similar to Example 1, but the modified powder quartz is 600 mesh, aluminate coupling agent and γ-methacryloxypropyl trimethoxysilane coupling The total dosage of the joint agent is 1.0% of that of powdered quartz. The obtained modified powdered quartz product (600 mesh) was tested by viscosity, wettability, activation index, mechanical properties, and infrared absorption spectrum. The viscosity of the system formed in E-44 is 3880mPa·s, and the activation index reaches 98.8%. The mechanical properties of the product prepared according to the ratio of modified powder quartz: polyethylene: polyethylene wax = 20g: 20g: 0.5g are: maximum tensile The strength is 10.270MPa, the b...

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Abstract

This invention relates to a technique method of compound modification powder quartz of aluminic acid couplant and gamma- methyl acryloyl oxygen group propyl lumiflavin oxygen group silicane, it belongs to mineral materials field. The two materials are used as modifier, the couplant is complex modified by mutual enwind and crosslinked action of the two materials. Comparing to the modified conite by single material of the two, the compatibility, processing fluidity and dispersibility of complex modified conite to organic polymer can be obviously improved, and the mechanical capability of filling things can also be largely improved. The ultra-red absorbing spectrum of the modified conite indicates that aluminic acid ester and gamma- methyl acryloyl oxygen group propyl lumiflavin oxygen group silicane have been couple activated with conite powder material.

Description

1. Technical field [0001] The invention relates to a process method for compositely modifying powdered quartz by using an aluminate coupling agent and a methacryloyloxysilane coupling agent. The invention relates to preparing high-quality functional filler active powder quartz by means of dry mechanochemical modification, which belongs to the field of mineral materials. The modified powdered quartz product prepared by the invention is suitable for epoxy resin encapsulation materials and medium and high-grade fillers and brighteners of composite materials such as rubber, plastic, paint and nylon, so that the comprehensive performance of composite materials can be significantly improved. 2. Technical Background [0002] Powder quartz ore is a natural powdery quartz deposit, a new type of silicon raw material formed by the weathering of microcrystalline quartzite [Yu Zhiwei, Qi Xiaopeng, Hu Xiaoping, etc. Research on the development and utilization of powder quartz ore in weste...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09C3/12C09C1/28
Inventor 林金辉叶巧明汪灵刘菁李金涛常嗣和范良明
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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