A kind of preparation method of nanoscale glass fiber and its product

A glass fiber and nano-scale technology, applied in the field of nano-scale glass fiber preparation, can solve the problems of complicated production process, complex raw material composition, unsuitable for industrial production, etc., and achieve good continuity, controllable fiber size, stable and single orientation Effect

Active Publication Date: 2022-06-07
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The nano glass fiber prepared by this process has high tensile strength, but the composition of raw materials is complex and the production process is complicated, which is not suitable for industrial production

Method used

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  • A kind of preparation method of nanoscale glass fiber and its product
  • A kind of preparation method of nanoscale glass fiber and its product
  • A kind of preparation method of nanoscale glass fiber and its product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] According to SiO 2 60%, Al 2 O 3 20%, P 2 O 5 10%, MgO4%, SnO 2 2%, Li 2 O3%, CeO 2 0.5% and TiO 2 The mass fraction ratio of 0.5% is accurately weighed, placed in a mixer and mixed evenly, and then put into a high-temperature glass furnace, melted at 1500 ° C, and then the molten glass is supplied to the bushing device for spinning and molding at 1300 ° C , a monofilament glass fiber with a diameter of 15 μm was obtained. The fiber was fixed in the delivery device, the fiber tip was heated by a laser and maintained at 1080°C, and the glass fiber was pulled with a platinum tip with a diameter of 30 nm to obtain nano-glass fiber.

[0041] figure 1 In this example, the SEM photo of the forming process of the micron glass fiber through the secondary stretching to form the nano glass fiber, it can be seen from the figure that the nano glass fiber will not bend during the secondary stretching process, so as to ensure its The orientation is stable and single; and ...

Embodiment 2

[0043] According to SiO 2 60%, Al 2 O 3 20%, P 2 O 5 10%, MgO4%, SnO 2 2%, Li 2 O3%, CeO 2 0.5% and TiO 2 The mass fraction ratio of 0.5% is accurately weighed, placed in a mixer and mixed evenly, and then put into a high-temperature glass furnace, melted at 1470 ° C, and then the molten glass is supplied to the bushing device, and it is spun at 1350 ° C. , a monofilament glass fiber with a diameter of 10 μm was obtained. The fiber was fixed in the delivery device, the fiber tip was heated by a laser and maintained at 1100° C., and a platinum tip with a diameter of 30 nm was used to pull the glass fiber to obtain nano-glass fibers.

Embodiment 3

[0045] According to SiO 2 65%, Al 2 O 3 18%, P 2 O 5 9%, MgO3.5%, SnO 2 2%, Li 2 O1.5%, CeO 2 The mass fraction ratio of 1% is accurately weighed, placed in a mixer and mixed evenly, then put into a high-temperature glass furnace, melted at 1500 ° C, and then the molten glass is supplied to the leakage plate device, and the spinning is carried out at 1300 ° C. , a monofilament glass fiber with a diameter of 15 μm was obtained. The fiber was fixed in the delivery device, the fiber tip was heated by a laser and maintained at 1080° C., and a platinum tip with a diameter of 30 nm was used to pull the glass fiber to obtain nano-glass fibers.

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Abstract

The invention discloses a preparation method of nano-scale glass fiber, comprising: step 1: blending each raw material uniformly, performing high-temperature melting, spinning and forming to obtain micron-scale monofilament glass fiber; step 2: making micron-scale monofilament After the glass fiber is heated, it is pulled by the metal nano needle, and then secondly drawn to obtain the nano-scale glass fiber; by weight, the raw material includes: SiO 2 50-65 copies; Al 2 o 3 15-30 copies; P 2 o 5 7.5~15 parts; Al 2 o 3 with P 2 o 5 The mass ratio is 1.85~2.15:1. The invention discloses a preparation method of nano-scale glass fiber. Through a specific glass formula combined with a preparation process of secondary wire drawing, the raw material is simple, the process flow is short and the controllability is good, and it is suitable for industrial production. The prepared nano-sized glass fiber has few surface defects, single orientation, good toughness, and avoids floating fibers, and is especially suitable for preparing reinforcing materials.

Description

technical field [0001] The present invention relates to the technical field of glass fibers, in particular to a preparation method of nano-scale glass fibers and products thereof. Background technique [0002] Glass fiber is an inorganic non-metallic material with excellent properties. The product has good insulation, strong heat resistance and corrosion resistance, and high strength. It is widely used in important fields such as reinforcement materials and thermal insulation materials. The diameter of the monofilament is several microns to twenty microns, and each bundle of fiber strands is composed of hundreds or thousands of monofilaments. [0003] Nano-glass fiber is a material that is expected to replace micro-glass fiber. It not only has the characteristics of micro-glass fiber because of its nano-scale diameter, but also exhibits high aspect ratio, high specific surface area, high sensitivity, and high compatibility with matrix materials. Interface bonding strength a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C13/00C03C3/097C03B37/022
CPCC03C13/00C03C3/097C03B37/022
Inventor 赵高凌朱钦塨金俊腾宋斌韩高荣
Owner ZHEJIANG UNIV
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