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High-strength and high-apparent high glass fiber reinforced nylon material and preparation method thereof

A high-strength, high-strength nylon technology, applied in the field of high-strength, high-appearance, high-glass fiber reinforced nylon materials and its preparation, can solve problems such as low performance, poor appearance, and limited application range of materials, and achieve the goal of overcoming poor appearance, high The effect of apparent quality

Active Publication Date: 2017-02-01
5ELEM HI TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the high glass fiber filled PA66 material currently on the market has the defects of low performance and poor appearance, which limits the scope of application of the material. Therefore, it is necessary to develop a high strength, high appearance, high glass fiber reinforced nylon 66 material to Adapt to market demand

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The parts by weight of each component are: 35 parts of component A, 50 parts of component B, 15 parts of component C, 1 part of polyphosphate, and 1 part of orthophosphate. Weigh various materials except flat glass fiber according to the above component distribution ratio, after high-speed mixing, melt and extrude with side-fed flat glass fiber through a twin-screw extruder, and then pelletize through a granulator to produce The pellets were dried in an oven at 120°C for 4 hours, and then injection molded by an injection molding machine; the temperature of the extruder was set at 260-290°C, the temperature of the injection molding machine was set at 280-310°C, and the injection pressure was 70-120bar.

[0022] The nylon material prepared in this embodiment has a tensile strength of 240-270Mpa, a flexural strength of 360-400Mpa, a flexural modulus of 13000-18000Mpa, and an impact strength of 10-20KJ / m 2 , good apparent quality.

Embodiment 2

[0024] The parts by weight of each component are: 25 parts of component A, 60 parts of component B, 15 parts of component C, 1 part of orthophosphate, and 2 parts of lanthanum isooctanoate. Weigh various materials except flat glass fiber according to the above component distribution ratio, after high-speed mixing, melt and extrude with side-fed flat glass fiber through a twin-screw extruder, and then pelletize through a granulator to produce The pellets were dried in an oven at 120°C for 4 hours, and then injection molded by an injection molding machine; the temperature of the extruder was set at 260-290°C, the temperature of the injection molding machine was set at 280-310°C, and the injection pressure was 70-120bar.

[0025] The nylon material prepared in this embodiment has a tensile strength of 240-270Mpa, a flexural strength of 360-400Mpa, a flexural modulus of 15000-19000Mpa, and an impact strength of 10-20KJ / m 2 , good apparent quality.

Embodiment 3

[0027] The components by weight are as follows: 45 parts of component A, 50 parts of component B, 5 parts of component C, 1 part of methoxypiperidinol, and 1 part of polyimide. Weigh various materials except flat glass fiber according to the above component distribution ratio, after high-speed mixing, melt and extrude with side-fed flat glass fiber through a twin-screw extruder, and then pelletize through a granulator to produce The pellets were dried in an oven at 120°C for 4 hours, and then injection molded by an injection molding machine; the temperature of the extruder was set at 260-290°C, the temperature of the injection molding machine was set at 280-310°C, and the injection pressure was 70-120bar.

[0028] The nylon material prepared in this embodiment has a tensile strength of 230-260Mpa, a bending strength of 350-390Mpa, a flexural modulus of 13000-17000Mpa, and an impact strength of 5-15KJ / m 2 , good apparent quality.

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Abstract

The invention discloses a high-strength and high-apparent high glass fiber reinforced nylon material and a preparation method thereof and belongs to the technical field of polymer materials. The high-strength and high-apparent high glass fiber reinforced nylon material comprises the following components in parts by weight: 25-60 parts of nylon, 40-65 parts of glass fiber, 1-25 parts of a surface modifier and 1-10 parts of an additive. The high-strength and high-apparent high glass fiber reinforced nylon material disclosed by the invention overcomes the defects of poor appearance and low intensity of a traditional glass fiber reinforced nylon material, has high strength and high apparent quality and can be widely applied to glass fiber reinforced PA66 materials with high apparent and high strength, such as parts required to replace steel by plastics and having high apparent requirements.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a high-strength, high-apparent, high-glass fiber-reinforced nylon material and a preparation method thereof. Background technique [0002] Polyamide resin is commonly known as nylon (Nylon), the English name Polyamide, referred to as PA, which is the general term for polymers containing amide groups in the repeating unit of the macromolecular main chain. Polyamide can be obtained by ring-opening polymerization of lactam, or by polycondensation of diamine and dibasic acid. It was the DuPont company of the United States that first developed the resin for fiber, and it was industrialized in 1939. In the 1950s, the development and production of injection molding products began to replace metals to meet the requirements of lightweight and cost-reducing downstream industrial products. PA has good comprehensive properties, including mechanical properties, heat re...

Claims

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Application Information

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IPC IPC(8): C08L77/06C08K13/04C08K7/14C08K3/32C08K3/34C08K5/098C08J5/04
CPCC08J5/043C08J2377/06C08K2201/004C08K2201/014C08L77/06C08L2205/025C08K7/14C08K2003/321C08K5/098C08L79/08C08K5/3435C08K13/04C08K3/34
Inventor 沙月华李杰黄骥王东晖汪凯
Owner 5ELEM HI TECH CORP
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