Reinforced PP/recycled PET bottle flake alloy for vehicle fan wind wheels, and preparation method thereof

A technology of fans and bottle flakes, which is applied in the field of alloy composite materials and its preparation, can solve the problems of application limitations, difficulty in meeting the heat resistance, high strength, and high dynamic balance of automobile fan wheels, and achieve the compounding process and processing process Simplicity, realization of high value-added utilization, and the effect of expanding the application range

Inactive Publication Date: 2016-04-06
上海奇彩塑胶原料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Automobile fan rotors are usually made of glass fiber reinforced nylon. In order to reduce costs and improve product competitiveness, more and more manufacturers are considering using glass fiber reinforced PP for preparation. However, ordinary glass fiber reinforced PP is becoming more and more difficult. It meets a series of requirements such as heat resistance, high strength, and high dynamic balance of automotive fan wheels, so its application in this field is subject to certain restrictions

Method used

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  • Reinforced PP/recycled PET bottle flake alloy for vehicle fan wind wheels, and preparation method thereof
  • Reinforced PP/recycled PET bottle flake alloy for vehicle fan wind wheels, and preparation method thereof
  • Reinforced PP/recycled PET bottle flake alloy for vehicle fan wind wheels, and preparation method thereof

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preparation example Construction

[0042] A kind of preparation method of reinforced PP / recycled PET bottle flake alloy for automobile fan wind wheel, comprises the following steps:

[0043] 1) Dry the recovered PET bottle flakes in a vacuum oven. Drying is preferably divided into two stages, wherein the first stage is dried at a temperature of 75°C-80°C for 3h-5h, preferably 3.5h-4.5h; the second stage is at a temperature of 120°C-140°C Dry for 4h-10h, preferably 4h-6h.

[0044] 2) Mix PP, recycled PET bottle flakes, toughening agent, heat-resistant agent, compatibilizer, antioxidant and lubricant in proportion for 5-10 minutes to make a mixture.

[0045] 3) Add the mixture into the twin-screw extruder through the main feeding port of the twin-screw extruder, and at the same time of melting and extruding, add alkali-free glass fiber from the side feeding device to melt and extrude, and the extruded material is cooled , air-dried, pelletized, and dried to obtain the composite material of the reinforced PP / recyc...

Embodiment 1

[0048] The composite material of reinforced PP / reclaimed PET bottle flake alloy for the wind wheel of automobile fan of the present invention, its composition is as shown in table 1:

[0049] Table 1: Unit (kg)

[0050]

[0051] Among them, the flexural modulus of PP reaches 2400MPa;

[0052] The intrinsic viscosity of recycled PET bottle flakes is 0.68dl / g;

[0053] Alkali-free and fluorine-free glass fiber is long fiber;

[0054] The toughening agent is POE-MAH graft copolymer, wherein the content of maleic anhydride accounts for 0.9% of the POE-MAH graft copolymer.

[0055] The compatibilizer is PP-MAH graft copolymer, wherein the content of maleic anhydride accounts for 0.9% of the PP-MAH graft copolymer.

[0056] The heat-resistant agent is an aroyl compound N,N'-dicyclohexyl-2,6-naphthalenediamide;

[0057] The antioxidant is antioxidant 1010 and antioxidant DLTP, the ratio of the two is 1:1;

[0058] The lubricant is talcum powder (2500 mesh).

Embodiment 2

[0060] The composite material of reinforced PP / reclaimed PET bottle flake alloy for the wind wheel of automobile fan of the present invention, its composition is as shown in table 2:

[0061] Table 2: Unit (kg)

[0062]

[0063] Among them, the flexural modulus of PP reaches 2400MPa;

[0064] The intrinsic viscosity of recycled PET bottle flakes is 0.68dl / g;

[0065] Alkali-free and fluorine-free glass fibers are short fibers with a diameter of 13 microns and a length of 4.5mm;

[0066] The toughening agent is POE-MAH graft copolymer, wherein the content of maleic anhydride accounts for 0.8% of the POE-MAH graft copolymer.

[0067] The compatibilizer is PP-MAH graft copolymer, wherein the content of maleic anhydride accounts for 1.0% of the PP-MAH graft copolymer.

[0068] The heat-resistant agent is an aroyl compound N,N'-dicyclohexyl-2,6-naphthalenediamide;

[0069] The antioxidant is antioxidant 1010 and antioxidant DLTP, the ratio of the two is 1:1;

[0070] The lu...

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Abstract

The present invention relates to the technical field of polymer materials, particularly to an alloy composite material and a preparation method thereof. The reinforced PP/recycled PET bottle flake alloy comprises the following raw materials by weight: 100 parts of PP, 10-30 parts of recycled PET bottle flakes, 25-35 parts of alkali-free glass fibers, 12-16 parts of a toughening agent, 0.2-0.4 part of a heat-resistant agent, 1-15 parts of a compatibilizing agent, 0.1-1 part of an antioxidant, and 0.1-1 part of a lubricant. According to the present invention, the raw materials are used to prepare the alloy composite material according to a certain ratio, such that the compatibility problem of PP and recycled PET is solved, the interfacial tension between the two materials in the PP and recycled PET system is reduced, the interfacial width is increased, the system forms the thermodynamically stable phase state structure having the uniform macroscopic phase and microscopic phase separation system characteristics, and the composite material maintains good mechanical properties.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to an alloy composite material and a preparation method thereof. Background technique [0002] Polyethylene terephthalate (PET) is not only widely used in fiber applications due to its excellent comprehensive properties such as chemical and physical properties and low price, but also in beverage bottles. With the widespread application of PET in the field of edible liquid flexible packaging, it has brought about the recycling of a large number of waste beverage bottles. As the amount of PET is gradually increased, the amount of PET bottle recycling is also gradually increasing. According to statistics, the average recycling rate of PET bottles is 20.4%. Countries with high recycling rates such as Switzerland, Germany and Japan are 100%, 49% and 46% respectively, while our country is only 1.7%. Most of the recycled PET bottle flakes are "downgraded utilization", used to p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L67/02C08L51/06C08K13/04C08K7/14C08K5/20C08K3/34B29C47/92B29C48/92
Inventor 刘柏林李庆刘英
Owner 上海奇彩塑胶原料有限公司
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