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Modified glass fiber winding wire and reinforced composite material prepared from same

A technology for reinforcing composite materials and glass fibers, which is used in fiber processing, synthetic resin layered products, layered products, etc. to achieve good thermal insulation properties, improved tensile properties, and improved chemical stability.

Active Publication Date: 2022-07-08
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

[0005] The purpose of the present invention is to provide a modified glass fiber winding wire and the reinforced composite material prepared therefrom, which is used to solve the problem that the heat insulation and compression resistance of the glass fiber winding wire cannot be improved through continuous treatment in the prior art, and Technical problem of obtaining a composite material with excellent strength, heat insulation and corrosion resistance by using the glass fiber winding wire and thermoplastic resin extrusion injection molding

Method used

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  • Modified glass fiber winding wire and reinforced composite material prepared from same

Examples

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Comparison scheme
Effect test

Embodiment 1

[0028] This embodiment provides a modified glass fiber winding yarn, which is obtained from glass fiber yarn through cleaning, drying, sizing agent infiltration, chemical modifier modification, heat setting, and winding; the single fiber diameter of the glass fiber yarn is 16 μm, The breaking strength is 0.37N / tex, the moisture content is 0.08%, and the combustible content is 0.21%; the cleaning is specifically to use deionized water, ethanol and acetone in sequence, and the drying is specifically 105 °C for 37min; Pressure hot pressing for 5min.

[0029] Wherein, the specific process of sizing agent infiltration is as follows: according to parts by weight, 36 parts of styrene-acrylate emulsion, 8 parts of vinyltrimethoxysilane, and 26 parts of ethanol are mixed at 52 ° C, ultrasonically shaken for 25 minutes, and then 9 parts of dimethicone are added. Silica aerogel powder and 7 parts of hollow ceramic microbeads were stirred evenly at 520 rpm to obtain a sizing agent. The cl...

Embodiment 2

[0037] This embodiment provides a modified glass fiber winding yarn, which is obtained from glass fiber yarn through cleaning, drying, sizing agent infiltration, chemical modifier modification, heat setting, and winding; specifically, the cleaning is performed by sequentially using deionized water and ethanol , acetone washing, drying is specifically 108 ℃ drying for 45 minutes; heat setting specifically is 108 ℃ under 9MPa pressure hot pressing for 7 minutes.

[0038] Wherein, the specific process of wetting agent infiltration is as follows: according to weight parts, 29 parts of styrene-acrylate emulsion, 10 parts of vinyltrimethoxysilane, and 30 parts of ethanol are mixed at 53° C., ultrasonically shaken for 25 minutes, and then 8 parts of dimethicone are added. Silica aerogel powder and 6 parts of hollow ceramic microbeads were stirred evenly at 490 rpm to obtain a sizing agent, the glass fiber yarn after cleaning and drying was soaked in the sizing agent, ultrasonically os...

Embodiment 3

[0046] This embodiment provides a modified glass fiber winding yarn, which is obtained from glass fiber yarn through cleaning, drying, sizing agent infiltration, chemical modifier modification, heat setting, and winding; specifically, the cleaning is performed by sequentially using deionized water and ethanol , washed with acetone, and dried at 108°C for 28 minutes; heat-setting was specifically pressed at 115°C for 7 minutes at a pressure of 9 MPa.

[0047] Wherein, the specific process of wetting agent infiltration is as follows: according to weight parts, 37 parts of styrene-acrylate emulsion, 10 parts of vinyltrimethoxysilane, and 34 parts of ethanol are mixed at 58° C., then ultrasonically shaken for 30 minutes, and then 12 parts of dimethicone are added. Silica aerogel powder and 9 parts of hollow ceramic microbeads were stirred evenly at 580 rpm to obtain a sizing agent. The cleaned and dried glass fiber yarns were soaked in the sizing agent, ultrasonically shaken at 47°...

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Abstract

The invention discloses a modified glass fiber winding wire and a reinforced composite material prepared from the modified glass fiber winding wire, and relates to the technical field of glass fiber reinforced materials. The method is used for solving the technical problems that the heat insulation and compression resistance of the glass fiber winding wires cannot be improved in a continuous treatment mode, and the glass fiber winding wires, thermoplastic resin and auxiliaries are subjected to extrusion injection molding to obtain the composite material with excellent strength, heat insulation and corrosion resistance. According to the modified glass fiber winding wire, the dispersity and interface bonding force of glass fiber yarn are improved through chemical bond grafting; the chemical modifier changes the surface structure of the glass fiber yarn, a rough surface layer structure is formed on the surface of the glass fiber yarn, and hot pressing is performed during heat setting to fully dehumidify and improve the tensile property. According to the reinforced composite material, the moisture-proof heat-preservation middle layer material and the reinforced heat-resisting outer layer material are sequentially coated on the periphery of the reinforced insulation inner layer, and a reinforced composite material finished product with excellent strength, heat insulation and corrosion resistance is obtained through traction and winding.

Description

technical field [0001] The invention relates to the technical field of glass fiber reinforced materials, in particular to a modified glass fiber winding wire and a reinforced composite material prepared therefrom. Background technique [0002] Thermoplastic glass fiber winding wire for extrusion injection molding is an ideal thermoplastic reinforcement material. After coating with special silane-based sizing agent, the product has good processing performance and dispersibility. It is suitable for extrusion injection molding process and is used to strengthen PA, PP, PBT / PET, ABS, AS and other resins can endow composite materials with excellent physical and mechanical properties. [0003] There are many reports on the use of glass fibers to prepare reinforced composite materials in the prior art. The invention patent with the publication number CN102911437B discloses a glass fiber reinforced resin composite material with a skin-core structure, which is composed of continuous g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M15/233D06M15/263D06M13/513D06M11/79D06M11/00D06M11/74D06M11/53C08L67/02C08K9/04C08K9/06C08K9/02C08K7/14C08J5/08B32B27/36B32B27/18B32B27/20B32B27/08B32B27/06
CPCD06M15/233D06M15/263D06M13/5135D06M11/79D06M11/00D06M11/74D06M11/53C08J5/08B32B27/36B32B27/18B32B27/20B32B27/08C08J2367/02C08J2467/02C08K9/04C08K9/06C08K9/02C08K7/14B32B2250/03B32B2250/244B32B2262/101B32B2307/304B32B2307/40B32B2307/714Y02A30/14
Inventor 卢克香陈继银范兴仕张杨代习文
Owner 五河县维佳复合材料有限公司
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