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Glass fiber reinforced polyamide material for plastic high-pressure water gun and preparation method

A high-pressure water gun and polyamide technology, which is applied in the field of glass fiber reinforced polyamide materials and preparation, can solve the problems of material rigidity reduction and pressure resistance reduction, and achieve good bonding effect

Active Publication Date: 2022-03-29
上海聚威新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the toughening of the material through the impact modifier, although the toughness is improved, the rigidity of the material is significantly reduced, such as tensile strength and tensile modulus, which will lead to a decrease in the compressive capacity

Method used

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  • Glass fiber reinforced polyamide material for plastic high-pressure water gun and preparation method
  • Glass fiber reinforced polyamide material for plastic high-pressure water gun and preparation method
  • Glass fiber reinforced polyamide material for plastic high-pressure water gun and preparation method

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example 1

[0070] The present invention also carries out improved treatment to glass fiber in embodiment case 1; Concrete modification method is:

[0071] S1, mixing and hybridizing glass fiber and wollastonite according to a weight ratio of 3:2 to obtain a hybrid material; the length of the glass fiber is 1 nm; the length of the wollastonite is 1 nm;

[0072] S2, reacting 60 parts of polyether diol with a molecular weight of 1000 and 10 parts of diphenylmethane diisocyanate at 80° C. for 1 hour to obtain a polyurethane prepolymer;

[0073] S3, add 2 times of xylene to the polyurethane prepolymer, then add 1% of dimethyl tin dilaurate in the total amount of polyurethane prepolymer, and then add 2% of silane coupling agent KH560, at 70 ° C , stirred at a rotating speed of 400r / min for 45min, and the stirring was completed to obtain a contact modification liquid;

[0074] S4, send the hybrid material into 4 times the contact modification solution for stirring reaction treatment, the stirr...

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Abstract

The invention discloses a glass fiber reinforced polyamide material for a plastic high-pressure water gun. The glass fiber reinforced polyamide material comprises the following raw materials in parts by weight: 60-80 parts of PA66 resin, 0.1-2 parts of a coupling agent, 0.1-2 parts of a plasticizer, 0.1-1 part of a heat stabilizer, 0.1-3 parts of a lubricant, 0.1-1 part of a coloring agent and 20-40 parts of glass fibers. The medium-viscosity PA66 is selected, the high-modulus glass fiber is used for reinforcement, the plasticizer and coupling agent mixture is added to improve the bonding force of the surface of the glass fiber and the resin, and the toner with high tinting strength is added for dyeing, so that the glass fiber and the resin of the material have good bonding force, and the material has strength and toughness superior to those of a common reinforcing material.

Description

technical field [0001] The invention relates to the technical field of polyamide materials for high-pressure water guns, in particular to a glass fiber reinforced polyamide material for plastic high-pressure water guns and a preparation method. Background technique [0002] Usually high-pressure water gun tubes use metal parts, and the development of materials makes it possible to use plastic parts on high-pressure water gun tubes. Plastic parts offer advantages in terms of fast manufacturing process, price and weight. Water line pressure causes constant pressure, and plastic parts often need to last for years and can lead to a risk of leaks. The quality control and lifetime estimation of plastic water nozzles is carried out by means of static pressure tests, which are therefore usually carried out on water nozzles. Static pressure testing is used to test that plastic parts develop stress when they are under pressure, and more stress is concentrated on the walls of the par...

Claims

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Application Information

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IPC IPC(8): C08L77/06C08L5/08C08K9/04C08K9/06C08K7/14C08K3/34
CPCC08L77/06C08L5/08C08K9/08C08K9/06C08K7/14C08K3/34
Inventor 王晶张天荣刘伦张陆旻孔壮志王明义乔佳新曹佳怡
Owner 上海聚威新材料股份有限公司
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