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Impregnating compound for enhancing polypropylene plastic-glass fiber chopped yarn

A polypropylene plastic and glass fiber technology, applied in the field of glass fiber sizing, can solve the problems of low strength, low modulus hardness, poor low temperature impact resistance, large molding shrinkage, etc., and achieve good resin binding, adjustable hardness, The effect of static electricity is small

Inactive Publication Date: 2018-10-12
SHANDONG FIBERGLASS GRP
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Problems solved by technology

[0002] Polypropylene plastic, as one of the four general-purpose plastic materials, has excellent comprehensive properties, good chemical stability, good molding performance and relatively low price; but it also has low strength, modulus, hardness, and durability. Poor low-temperature impact strength, large molding shrinkage, easy aging, etc.

Method used

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  • Impregnating compound for enhancing polypropylene plastic-glass fiber chopped yarn
  • Impregnating compound for enhancing polypropylene plastic-glass fiber chopped yarn
  • Impregnating compound for enhancing polypropylene plastic-glass fiber chopped yarn

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Embodiment Construction

[0022] 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:

[0023] See Table 1, coupling agent 1 is γ-(methacryloxy)propyltrimethoxysilane, the model is KH570, and coupling agent 2 is γ-glycidylpropanetrimethoxysilane, model is KH560;

[0024] Lubricant 1 is a cationic lubricant purchased from Kekai, the model is 6760L;

[0025] Lubricant 2 is a nonionic lubricant purchased from Jiangsu Haian Petrochemical Plant, model 7707; epoxy-modified polyester emulsion is FILCO 339, polyvinyl acetate emulsion is MC-2046; antistatic agent is lithium nitrate.

[0026] The specific wetting agent formula is shown in the following table (where the data in the table is the percentage of the mass of the components in the total mass of the wetting agent): Table 1

[0027]

[0028] The silk process is to draw 2000tex raw silk with 5000 holes, bake at 130°C for 14h, and full...

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Abstract

The invention relates to an impregnating compound for enhancing polypropylene plastic-glass fiber chopped yarn. The impregnating compound is prepared from components in percentage by total mass of theimpregnating compound as follows: 3%-22% of an acrylic emulsion, 5.0%-15.0% of epoxy modified polyester emulsion, 1.0%-5.0% of a polyvinyl acetate emulsion, 0.1%-1.0% of a lubricating agent, 0.05%-0.3% of an antistatic agent, 0.1%-0.9% of a pH regulator and the balance of deionized water. Compared with the prior art, the provided impregnating compound can have a good compatibility with polypropylene plastic resin, the plasticity and stiffness of the glass fiber are enhanced, and the impregnating compound has small static electricity and adjustable hardness, can be compatible with multiple resin, is high in resin permeation speed and good in bondability with resin and endows a composite with excellent mechanical properties.

Description

technical field [0001] The invention belongs to the field of glass fiber sizing, in particular to a sizing for reinforced polypropylene plastic glass fiber chopped strands. Background technique [0002] As one of the four general-purpose plastic materials, polypropylene plastic has excellent comprehensive properties, good chemical stability, good molding performance and relatively low price; but it also has low strength, modulus, hardness, and resistance to Poor low temperature impact strength, large molding shrinkage, easy aging and other disadvantages. Therefore, it must be modified so that it can be adapted to the needs of the product. The modification of polypropylene plastic materials is generally through adding minerals to enhance toughness, weather resistance modification, glass fiber reinforcement, flame retardant modification and super tough modification. have a large number of applications. Contents of the invention [0003] The invention provides a sizing age...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C25/42C03C25/465C08J5/08C08L23/12
CPCC03C25/42C03C25/465C08J5/08C08J2323/12
Inventor 牛爱君李淑栋庞海冰张慎礼李坤
Owner SHANDONG FIBERGLASS GRP
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