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Glass fiber reinforced modified polypropylene (PP)

A polypropylene and modification technology, applied in the field of polypropylene material production, can solve the problems of poor low temperature resistance impact strength, large molding shrinkage, PP strength, low modulus hardness, etc.

Inactive Publication Date: 2016-03-23
QINGDAO YISHIBAO PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As one of the general-purpose plastic materials, PP has excellent comprehensive performance, good chemical stability, good molding performance and relatively low price; however, PP has low strength, modulus, hardness, and low-temperature impact resistance. Disadvantages such as large molding shrinkage and easy aging

Method used

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  • Glass fiber reinforced modified polypropylene (PP)
  • Glass fiber reinforced modified polypropylene (PP)
  • Glass fiber reinforced modified polypropylene (PP)

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] (1) Take each raw material respectively by weight as follows:

[0009] Polypropylene raw material: 60

[0010] E-glass fiber: 30

[0011] TAS-2A dispersion lubricant: 1.0

[0012] Glass fiber compatibilizer: 5.0

[0013] Maleic anhydride: 4.0

[0014] White oil: 1.0.

[0015] (2) Dry mix the above-mentioned various raw materials in a high-speed mixer for 3-5 minutes, and then place them in a twin-screw extruder to melt and extrude, cool, pelletize, and pack the finished product; wherein, the twin-screw extruder The temperature of the first zone of the machine is 110-130°C, the second zone is 170-190°C, the third zone is 210-220°C, the fourth zone is 220-230°C; the fifth zone is 210-220°C, and the residence time is 1-2 minutes. The pressure is 10-15Mpa.

[0016] Experimental results:

[0017]

[0018] The above test results show that the strength and hardness of the glass fiber reinforced modified polypropylene (PP) material of the present invention are signifi...

Embodiment 2

[0020] (1) Take each raw material respectively by weight as follows:

[0021] Polypropylene raw material: 65

[0022] E-glass fiber: 35

[0023] TAS-2A dispersion lubricant: 1.5

[0024] Glass fiber compatibilizer: 6.0

[0025] Maleic anhydride: 4.5

[0026] White oil: 0.5.

[0027] (2) Dry mix the above-mentioned various raw materials in a high-speed mixer for 3-5 minutes, and then place them in a twin-screw extruder to melt and extrude, cool, pelletize, and pack the finished product; wherein, the twin-screw extruder The temperature of the first zone of the machine is 110-130°C, the second zone is 170-190°C, the third zone is 210-220°C, the fourth zone is 220-230°C; the fifth zone is 210-220°C, and the residence time is 1-2 minutes. The pressure is 10-15Mpa.

[0028] Experimental results:

[0029]

[0030] The above test results show that the lightness and hardness of the glass fiber reinforced modified polypropylene (PP) material of the present invention are signif...

Embodiment 3

[0032] (1) Take each raw material respectively by weight as follows:

[0033] Polypropylene raw material: 70

[0034] E-glass fiber: 40

[0035] TAS-2A dispersion lubricant: 2.0

[0036] Glass fiber compatibilizer: 8.0

[0037] Maleic anhydride: 5.0

[0038] White oil: 1.0.

[0039] (2) Dry mix the above-mentioned various raw materials in a high-speed mixer for 3-5 minutes, and then place them in a twin-screw extruder to melt and extrude, cool, pelletize, and pack the finished product; wherein, the twin-screw extruder The temperature of the first zone of the machine is 110-130°C, the second zone is 170-190°C, the third zone is 210-220°C, the fourth zone is 220-230°C; the fifth zone is 210-220°C, and the residence time is 1-2 minutes. The pressure is 10-15Mpa.

[0040] Experimental results:

[0041]

[0042] The above test results show that the lightness and hardness of the glass fiber reinforced modified polypropylene (PP) material of the present invention are signif...

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Abstract

PP adopted as one of general plastic materials has characteristics of excellent comprehensive performance, good chemical stability, good molding processing performance and relatively low price. A purpose of the present invention is to provide a special modified polypropylene material with the characteristic of mechanical property improving, such that the material can meet the requirements of more products and can be well used in the fields of household electric appliances and vehicles.

Description

technical field [0001] The invention belongs to the technical field of polypropylene material production and aims to improve the original defects of polypropylene. Produce products that meet social needs. Background technique [0002] Polypropylene resin, English name Polypropylene (PP), currently, polypropylene resin is a semi-crystalline thermoplastic. It has high impact resistance, strong mechanical properties, and resistance to various organic solvents and acid and alkali corrosion. It is widely used in industry and is one of the common polymer materials. As one of the general-purpose plastic materials, PP has excellent comprehensive properties, good chemical stability, good molding performance and relatively low price; however, PP has low strength, modulus, hardness, and low-temperature impact resistance. Large molding shrinkage, easy aging and other disadvantages. Contents of the invention [0003] The purpose of the present invention is to provide a special modi...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08K13/04C08K7/14C08K5/09B29C47/92B29C48/92
Inventor 栾蓉王世字
Owner QINGDAO YISHIBAO PLASTIC
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