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PET (polyethylene terephthalate) composite material and preparation method thereof

A composite material and mixed material technology, applied in the field of PET composite material and its preparation, can solve the problem of low impact strength of PET material, and achieve the effects of increased hardness, environmental protection cost, and high promotion value

Inactive Publication Date: 2018-01-12
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this invention is to provide a kind of PET composite material and preparation method thereof, to solve the problem that the impact strength of prior art PET material is not high

Method used

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  • PET (polyethylene terephthalate) composite material and preparation method thereof
  • PET (polyethylene terephthalate) composite material and preparation method thereof
  • PET (polyethylene terephthalate) composite material and preparation method thereof

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preparation example Construction

[0038] The preparation method of above-mentioned any kind of PET composite material, comprises the following steps:

[0039] (1) Weigh 70-90 parts of PET, 10-16 parts of modified jute fiber, 10-16 parts of nano-feldspar powder, 10-14 parts of binary ethylene-propylene rubber and 0.1-0.5 parts of antioxidant The agent is mixed and stirred evenly to obtain a mixture;

[0040] (2) extruding and granulating the mixture obtained in the step (1) to obtain a PET composite material.

[0041] Step (2) is specifically:

[0042] Put the mixture obtained in step (1) into the hopper of the twin-screw extruder for extrusion and granulation, wherein the twin-screw extruder includes six temperature zones arranged in sequence, and the temperature of the first zone is 240-260°C , the temperature of the second zone is 280-300°C, the temperature of the third zone is 280-300°C, the temperature of the fourth zone is 280-300°C, the temperature of the fifth zone is 280-300°C, the temperature of the...

Embodiment 1

[0044] (1) take by weighing 70 parts of PET, 10 parts of modified jute fibers, 10 parts of nano feldspar powder, 10 parts of EPR, 0.1 part of Irganox168 and mix and stir to obtain a mixture;

[0045] (2) Extruding and granulating the mixture obtained in step (1) to obtain PET composite material P1.

[0046] Preferably, step (2) is specifically:

[0047] Put the mixture obtained in step (1) into the hopper of the twin-screw extruder and extrude and pelletize to obtain PET composite materials, wherein the twin-screw extruder includes six temperature zones arranged in sequence, one Zone temperature 240°C, zone 2 temperature 280°C, zone 3 temperature 280°C, zone 4 temperature 280°C, zone 5 temperature 280°C, zone 6 temperature 280°C, head temperature 280°C, screw speed 200r / min.

Embodiment 2

[0049] (1) Take by weighing 90 parts of PET, 16 parts of modified jute fiber, 16 parts of nano-feldspar powder, 14 parts of EPR, 0.1 part of Irganox168, 0.2 part of Irganox1010, 0.2 part of Irganox1330 and mix and stir to obtain a mixture;

[0050] (2) extruding and granulating the mixture obtained in the step (1) to obtain PET composite material P2.

[0051] Preferably, step (2) is specifically:

[0052] Put the mixture obtained in step (1) into the hopper of the twin-screw extruder and extrude and pelletize to obtain PET composite materials, wherein the twin-screw extruder includes six temperature zones arranged in sequence, one Zone temperature 260°C, zone 2 temperature 300°C, zone 3 temperature 300°C, zone 4 temperature 300°C, zone 5 temperature 300°C, zone 6 temperature 300°C, head temperature 300°C, screw speed 280r / min.

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Abstract

The invention relates to a PET (polyethylene terephthalate) composite material and a preparation method thereof. The PET composite material is prepared from the following components in parts by weight: 70-90 parts of PET, 10-16 parts of modified jute fiber, 10-16 parts of nano feldspar powder, 10-14 parts of toughening agent and 0.1-0.5 part of antioxidant. A rare earth element acts on the surfaceof the jute fiber so that more oxygen-containing active groups are adhered to the fiber surface; as an intermediate medium, the rare earth element promotes chemical bond connection between the jute fiber surface and the PET material and enhances the mechanical property of the rare earth element; the PET material provided by the invention is improved to a certain degree in tensile strength, impactstrength, flexural modulus and hardness in comparison with that before modification.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, in particular to a PET composite material and a preparation method thereof. Background technique [0002] Polyethylene terephthalate (PET) is a common high-molecular polyester resin. It has good chemical properties and solvent resistance, but at the same time it also has a small notched impact strength, which is easy to appear break phenomenon. [0003] In response to this situation, the application innovatively uses jute fiber and nano-feldspar powder to modify PET, and finally makes a high-performance and environmentally friendly PET composite material. This material has not been seen in reports so far, which has great significance for expanding the application of PET composite materials. very important practical significance. Contents of the invention [0004] The object of the present invention is to provide a PET composite material and a preparation method thereof, so as to sol...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08L1/02C08L23/16C08K3/34C08K5/526
Inventor 刘凯徐志海王添琪
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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