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High zirconium alkali-resistant glass fiber surface reinforced chopped strand mat and production method thereof

A technology of alkali-resistant glass fiber and surface reinforcement, applied in textiles, papermaking, non-woven fabrics, etc., can solve problems such as poor alkali resistance and inability to apply reinforced cement

Active Publication Date: 2019-07-30
XIANGYANG HUIERJIE GLASSFIBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the poor alkali resistance of medium-alkali and non-alkali glass fibers, it cannot be used in reinforced cement to make building components and products

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] The composition of the high zirconium alkali-resistant glass fiber surface reinforced chopped strand mat of embodiment 1 comprises: SiO 2 , 59~62%; ZrO 2 , 15.6% ~ 16.8%; TiO 2 , 1.5~3.0%; CaO, 5.0~6.5%; NaO 2 , 11.5~12.5%; K 2 O, 1.5~2.0%; Al 2 o 3 , ≤0.15%; Fe 2 o 3 , ≤0.1%; the diameter of glass fiber monofilament is 7~8μm; cut into glass fiber monofilament with a length of 50~55mm.

[0047] The production method of the high zirconium alkali-resistant glass fiber reinforced chopped strand mat of embodiment 1 comprises the following processing steps:

[0048] ⑴Choose the following raw materials by weight: quartz sand: 50-70, potassium nitrate: 1-10, calcite: 5-10, zircon sand: 14-30, soda ash: 20-30, fluorite: 0.1-5 ;

[0049] ⑵Crush and mix the above raw materials, add them to the mixer and stir them evenly, transport them to the melting pool with non-shrinkage zirconia corundum bricks as lining or masonry, and use natural gas for melting, and use high tempe...

Embodiment 2

[0059] The composition of the high zirconium alkali-resistant glass fiber surface reinforced chopped strand mat of embodiment 2 includes: SiO 2 , 55-60%; ZrO 2 , 13.8%~15.8%; TiO 2 , 1.0~2.0%; CaO, 4.0~5.5%; NaO 2 , 12.5~13.5%; K 2 O, 1.5~2.5%; Al 2 o 3 , ≤0.25%; Fe 2 o 3 , ≤0.15%; glass fiber monofilament diameter is 7.5 ~ 8.5 μ m; cut into glass fiber monofilament with a length of 50 ~ 65 mm.

[0060] The production method of the high zirconium alkali-resistant glass fiber reinforced chopped strand mat of embodiment 2 comprises the following processing steps:

[0061] ⑴Choose the following raw materials by weight: quartz sand: 50-70, potassium nitrate: 1-10, calcite: 5-10, zircon sand: 14-30, soda ash: 20-30, fluorite: 0.1-5 ;

[0062] ⑵Crush and mix the above raw materials, add them to the mixer and stir them evenly, transport them to the melting pool with non-shrinkage zirconia corundum bricks as lining or masonry, and use natural gas for melting, and use high tem...

Embodiment 3

[0072] The composition of the high zirconium alkali-resistant glass fiber surface reinforced chopped strand mat of embodiment 3 comprises: SiO 2 , 55~65%; ZrO 2 , 13.8%~17.0%; TiO 2 , 1.0~6.5%; CaO, 4~5.0%; NaO 2 , 11.0~13.5%; K 2 O, 1~2.5%; Al 2 o 3 , ≤0.3%; Fe 2 o 3 , ≤0.2%, the diameter of glass fiber monofilament is 8~9μ|; the cut length is 50~60mm.

[0073] Embodiment 3 The production method of high zirconium alkali-resistant glass fiber reinforced chopped strand mat comprises the following processing steps:

[0074] ⑴The selected ingredients are: SiO 2 , 55~65%; ZrO 2 , 13.8%~17.0%; TiO 2 , 1.0~6.5%; CaO, 4~5.0%; NaO 2 , 11.0~13.5%; K 2 O, 1~2.5%; Al 2 o 3 , ≤0.3%; Fe 2 o 3 , ≤0.2% zirconium-containing alkali-resistant glass fiber filaments;

[0075] (2) During the wire drawing process, the surface is coated with a sizing agent for felting; the sizing agent is a polymer emulsion composed of an initiator, an oxidizing agent, a surfactant, an antistatic ag...

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Abstract

The invention relates to high-zirconium alkali-resistant glass fiber surface-reinforced short-cut felt and a production method thereof, and belongs to the technical field of alkali-resistant glass fiber production. The method mainly solves the problems that existing medium-alkali and alkali-free glass fibers are poor in alkali resistance and cannot be applied to reinforced cement concrete. The felt is mainly characterized by comprising 55-64% of SiO2, 13.8-17.5% of ZrO2, 1.0-3.5% of TiO2, 4-7.0% of CaO, 11.0-13.5% of NaO2, 1.0-2.5% of K2O, 0-0.3% of Al2O3 and 0-0.2% of Fe2O3, and the felt is produced in the steps that high-zirconium alkali-resistant glass fiber filaments with the diameter of 7-9 micrometers are cut into filaments with the length of 50-75 mm, then the filaments are evenly distributed in multiple dimensions and then bonded through a powder adhesive or an emulsion adhesive, and then curing and drying are conducted. The method solves the problems that the alkali-resistant glass fibers are irregular in spray yarn distribution and poor in homogeneity, the durability can reach 60 years, and the half-life period is up to 100 years.

Description

technical field [0001] The invention belongs to the technical field of production of high-zirconium alkali-resistant glass fiber products. In particular, it relates to a production process research, felt binder research, and application technology research of using high zirconium alkali-resistant glass fiber to produce high zirconium alkali-resistant glass fiber surface reinforced chopped strand mat. Background technique [0002] At present, there are mainly glass fiber mats made of medium-alkali and non-alkali glass fibers in China, which are mainly used to strengthen resins and produce FRP products. Due to the poor alkali resistance of medium-alkali and non-alkali glass fibers, they cannot be used in reinforced cement to make building components and products. The invention of high zirconium alkali-resistant glass fiber surface-reinforced chopped strand mat overcomes the weakness of medium-alkali and non-alkali glass fiber, and makes full use of the excellent alkali resist...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D04H1/4218D04H1/58D04H1/587C03C13/02C03C25/42
CPCC03C13/002C03C25/285D04H1/4218D04H1/58D04H1/587
Inventor 杨兴明郭清
Owner XIANGYANG HUIERJIE GLASSFIBER
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