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Reinforced thermoplastic chopped glass fiber impregnating agent

A technology of chopped glass fiber and reinforced thermoplastic, which is applied in the field of reinforced thermoplastic chopped glass fiber sizing agent, can solve the problems of high cost, low production efficiency, low strength, etc., and achieves less fiber opening, low dry friction, and less hairiness. Effect

Inactive Publication Date: 2017-11-21
SHANDONG FIBERGLASS GRP
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Reinforced thermoplastic chopped glass fiber products are widely used, but there are defects such as low strength, low production efficiency and high cost, which have a negative impact on the promotion and application of products, especially the increasing size and structure of the products. In the context of complexity, higher requirements are placed on the strength and mechanical properties of products

Method used

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  • Reinforced thermoplastic chopped glass fiber impregnating agent
  • Reinforced thermoplastic chopped glass fiber impregnating agent
  • Reinforced thermoplastic chopped glass fiber impregnating agent

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Embodiment Construction

[0030] The technical scheme of the present invention will be further described below with specific examples, but protection scope of the present invention is not limited to this:

[0031] See Table 1, coupling agent 1 is γ-(methacryloxy)propyltrimethoxysilane, the model is KH570, and coupling agent 2 is γ-glycidylpropanetrimethoxysilane, model is KH560; The pH regulator is industrial-grade glacial acetic acid, purchased from Jining Xuli Chemical Co., Ltd.; lubricant 1 is a cationic lubricant purchased from Kekai, the model is 6760L, and lubricant 2 is a nonionic lubricant purchased from Jiangsu Haian Petrochemical Co., Ltd. Factory, model PEG200MO; Polyurethane film-forming agent is collected from COIM, Italy, model FILCO 322; Epoxy film-forming agent is collected from Italy COIM, model FILCO361; Polyvinyl acetate film-forming agent is collected from Celanese Company, model Vinamul8828 . The specific wetting agent formula is shown in the following table (where the data in the...

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Abstract

The invention relates to a reinforced thermoplastic chopped glass fiber impregnating agent. The impregnating agent is prepared from, by mass, 0.5-8.0% of a silane coupling agent, 0.2-6.0% of a lubricating agent, 1.0-35.0% of a film forming agent, 0.2-7.0% of an antistatic agent, 0.05-5% of a pH adjusting agent and the balance deionized water, wherein the film forming agent is prepared from polyurethane emulsion, epoxy emulsion, polyvinyl acetate emulsion and acrylate emulsion. The impregnating agent endows glass fiber yarns with less splitting and hairiness, low dry friction and static electricity, moderate impregnating speed and great resin combination, clustering and fluidity performances and endows a composite material with prominent mechanical performances.

Description

technical field [0001] The invention belongs to the field of glass fiber sizing, in particular to a reinforced thermoplastic chopped glass fiber sizing. Background technique [0002] Thermoplastic materials refer to the characteristics of materials that soften when heated and harden when cooled. Compared with thermosetting materials, they become soft and flow when heated, and harden when cooled. This process is reversible and can be repeated, so it has the effect of repeated use. Reinforced thermoplastic chopped glass fiber products are widely used, but there are defects such as low strength, low production efficiency and high cost, which have a negative impact on the promotion and application of products, especially the increasing size and structure of the products. In the context of complexity, higher requirements are placed on the strength and mechanical properties of products. Contents of the invention [0003] The technical problem to be solved by the present inventi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C25/40
CPCC03C25/28C03C25/285C03C25/32
Inventor 李金保庞海冰李坤孙小龙
Owner SHANDONG FIBERGLASS GRP
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