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Anti-ultraviolet ray polyethylene terephthalate (PET) composite material

A technology of polyethylene terephthalate and composite materials, applied in the field of polyethylene terephthalate material production, can solve the problems of poor ultraviolet light resistance of PET and the like

Inactive Publication Date: 2017-05-31
格润德(青岛)新型环保建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polyethylene terephthalate (PET) has excellent properties such as high rigidity, electrical insulation, heat resistance and chemical resistance, but due to the poor UV resistance of PET, some applications of PET are limited.

Method used

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  • Anti-ultraviolet ray polyethylene terephthalate (PET) composite material
  • Anti-ultraviolet ray polyethylene terephthalate (PET) composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] (1) Weigh the raw materials according to the weight ratio as follows:

[0016] PET: 80;

[0017] Coupling agent: 3.0;

[0018] Nano-sized titanium dioxide 20nm: 4.0;

[0019] Antioxidant: 0.5;

[0020] Dispersant: 0.5;

[0021] Diffusion oil: 1.0.

[0022] (2) Dry polyethylene terephthalate (PET) in a constant temperature oven at 120°C for 4 hours, then dry-mix the above-mentioned various raw materials in a high-speed mixer for 8-10 minutes, and then place them in a twin screw The extruder can be melted, extruded, cooled, pelletized, and packaged. The temperature in the first zone of the twin screw extruder is 180-200℃, the second zone is 210-220℃, and the third zone is 225-245℃ , The fourth zone is 245-255℃; the fifth zone is 245-240℃, the residence time is 1-2 minutes, and the pressure is 10-15Mpa.

[0023] Experimental results:

Embodiment 2

[0025] (1) Weigh the raw materials according to the weight ratio as follows:

[0026] PET: 90;

[0027] Coupling agent: 4.0;

[0028] Nano-sized titanium dioxide 20nm: 5.0;

[0029] Antioxidant: 1.0;

[0030] Dispersant: 1.0;

[0031] Diffusion oil: 2.0.

[0032] (2) Dry polyethylene terephthalate (PET) in a constant temperature oven at 120°C for 4 hours, then dry-mix the above-mentioned various raw materials in a high-speed mixer for 8-10 minutes, and then place them in a twin screw The extruder can be melted, extruded, cooled, pelletized, and packaged. The temperature in the first zone of the twin screw extruder is 180-200℃, the second zone is 210-220℃, and the third zone is 225-245℃ , The fourth zone is 245-255℃; the fifth zone is 245-240℃, the residence time is 1-2 minutes, and the pressure is 10-15Mpa.

[0033] Experimental results:

[0034]

Embodiment 3

[0036] (1) Weigh the raw materials according to the weight ratio as follows:

[0037] PET: 100;

[0038] Coupling agent: 5.0;

[0039] Nano-sized titanium dioxide 20nm: 6.0;

[0040] Antioxidant: 1.5;

[0041] Dispersant: 1.5;

[0042] Diffusion oil: 2.0.

[0043] (2) Dry polyethylene terephthalate (PET) in a constant temperature oven at 120°C for 4 hours, then dry-mix the above-mentioned various raw materials in a high-speed mixer for 8-10 minutes, and then place them in a twin screw The extruder can be melted, extruded, cooled, pelletized, and packaged. The temperature in the first zone of the twin screw extruder is 180-200℃, the second zone is 210-220℃, and the third zone is 225-245℃ , The fourth zone is 245-255℃; the fifth zone is 245-240℃, the residence time is 1-2 minutes, and the pressure is 10-15Mpa.

[0044] Experimental results:

[0045]

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Abstract

Polyethylene terephthalate (PET) has excellent performances of high rigidity, electrical insulation, heat resistance, chemical resistance and the like while has poor ultraviolet light resistance so as to limit the partial application of PET. A purpose of the present invention is to provide a safe polyethylene terephthalate (PET) material, which does not affect the mechanical property of the material. According to the present invention, the raw materials of the anti-ultraviolet ray polyethylene terephthalate (PET) composite material comprise, by weight, 80-100 parts of PET, 3.0-5.0 parts of a coupling agent, 4.0-6.0 parts of nano-scale titanium dioxide 20 nm, 0.5-1.5 parts of an antioxidant, 0.5-1.5 parts of a dispersant, and 1.0-3.0 parts of diffusion oil.

Description

Technical field [0001] The invention belongs to the technical field of polyethylene terephthalate (PET) material production, and improves the deficiency of polyethylene terephthalate (PET). Background technique [0002] Polyethylene terephthalate (PET) has excellent properties such as high rigidity, electrical insulation, heat resistance and chemical resistance, but due to the poor UV resistance of PET, some applications of PET are limited . Summary of the invention [0003] The purpose of the present invention is to provide a safe polyethylene terephthalate (PET) material that does not affect the mechanical properties of the material. [0004] The UV-resistant polyethylene terephthalate PET composite material is composed of raw materials in the following weight ratios: [0005] PET: 80~100; [0006] Coupling agent: 3.0~5.0; [0007] Nano-sized titanium dioxide 20nm: 4.0~6.0; [0008] Antioxidant: 0.5~1.5; [0009] Dispersant: 0.5~1.5; [0010] Diffusion oil: 1.0~3.0. [0011] In the pres...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08L23/08C08L91/00C08K3/22
CPCC08L67/02C08K2201/011C08L2201/08C08L2205/03
Inventor 黄亚楠
Owner 格润德(青岛)新型环保建材有限公司