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Method for preparing glass fiber by compounding calcined bentonite and pyrophyllite

A technology for calcining bentonite and glass fiber, which is applied in the field of glass fiber and can solve the problems of general strength and performance of glass fiber

Inactive Publication Date: 2021-05-07
五河县维佳复合材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The strength properties of glass fibers prepared by existing methods are general, which limits their applications. Therefore, it is necessary to improve the properties of existing glass fibers to improve their strength properties and expand their application fields.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] A method for preparing glass fibers by combining calcined bentonite and pyrophyllite, comprising the following steps:

[0051] (1) Use acidic potassium permanganate solution to carry out vacuum impregnation treatment on bentonite, then obtain pretreated bentonite, and then calcine the pretreated bentonite to obtain calcined bentonite; the mass fraction of potassium permanganate in the acidic potassium permanganate solution is is 1.2%; the pH of the acidic potassium permanganate solution is 2.8. The mixing ratio of the acidic potassium permanganate solution and bentonite is 500ml:120g; the vacuum impregnation temperature is 80°C; the vacuum degree of vacuum impregnation is 0.015MPa. The calcination treatment time is 40 minutes; the calcination temperature is 880°C.

[0052] (2) Carry out ball milling treatment to pyrophyllite to obtain ball milling pyrophyllite; said ball milling treatment is: mixing together pyrophyllite and blast furnace slag, and then carrying out ba...

Embodiment 2

[0058] A method for preparing glass fibers by combining calcined bentonite and pyrophyllite, comprising the following steps:

[0059](1) Use acidic potassium permanganate solution to carry out vacuum impregnation treatment on bentonite, then obtain pretreated bentonite, and then calcine the pretreated bentonite to obtain calcined bentonite; the mass fraction of potassium permanganate in the acidic potassium permanganate solution is is 1.5%; the pH of the acidic potassium permanganate solution is 2.8. The mixing ratio of the acid potassium permanganate solution and bentonite is 500ml:150g; the vacuum impregnation temperature is 85°C; the vacuum impregnation degree is 0.018MPa. The calcination treatment time is 40-50min; the calcination temperature is 890°C.

[0060] (2) Carry out ball milling treatment to pyrophyllite to obtain ball milling pyrophyllite; said ball milling treatment is: mixing together pyrophyllite and blast furnace slag, and then carrying out ball milling trea...

Embodiment 3

[0066] A method for preparing glass fibers by combining calcined bentonite and pyrophyllite, comprising the following steps:

[0067] (1) Use acidic potassium permanganate solution to carry out vacuum impregnation treatment on bentonite, then obtain pretreated bentonite, and then calcine the pretreated bentonite to obtain calcined bentonite; the mass fraction of potassium permanganate in the acidic potassium permanganate solution is is 1.3%; the pH of the acidic potassium permanganate solution is 2.8. The mixing ratio of the acid potassium permanganate solution and bentonite is 500ml:135g; the vacuum impregnation temperature is 82°C; the vacuum impregnation degree is 0.017MPa. The calcination treatment time is 44 minutes; the calcination temperature is 886°C.

[0068] (2) Carry out ball milling treatment to pyrophyllite to obtain ball milling pyrophyllite; said ball milling treatment is: mixing together pyrophyllite and blast furnace slag, and then carrying out ball milling t...

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Abstract

The invention discloses a method for preparing a glass fiber by compounding calcined bentonite and pyrophyllite, and relates to the technical field of glass fibers. The method comprises the following steps: (1) obtaining calcined bentonite; (2) obtaining ball-milled pyrophyllite; (3) obtaining a pyrophyllite / calcined bentonite compound; (4) obtaining molten glass; (5) feeding the molten glass into a balling machine for balling to obtain glass balls; (6) feeding the glass balls into a wire drawing furnace through a feeding hopper, performing wire drawing, and then performing beam splitting and winding to obtain glass fiber yarn balls; the glass fiber prepared by mixing the pyrophyllite / calcined bentonite compound, the quartz sand, the limestone, the mica, the potassium feldspar, the szaibelyite and the sodium carbonate according to a certain weight part ratio has excellent mechanical properties.

Description

technical field [0001] The invention belongs to the technical field of glass fibers, in particular to a method for preparing glass fibers by compounding calcined bentonite and pyrophyllite. Background technique [0002] Fiberglass (Fibreglass) is an inorganic non-metallic material with excellent performance. There are many types. Its advantages are good insulation, strong heat resistance, good corrosion resistance, and high mechanical strength. Difference. It is made of pyrophyllite, quartz sand, limestone, dolomite, boronite, and boronite as raw materials through high-temperature melting, wire drawing, winding, and weaving. The diameter of its single filament is several Micron to twenty microns, equivalent to 1 / 20-1 / 5 of a hair, each bundle of fiber filaments consists of hundreds or even thousands of single filaments. The glass fiber is often used as reinforcing material of composite material, electrical insulation and heat insulation materials, substrate and other nation...

Claims

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Application Information

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IPC IPC(8): C03C13/00C03B37/02
CPCC03B37/02C03C13/00
Inventor 卢克香
Owner 五河县维佳复合材料有限公司
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