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High-performance polyolefin composite material and preparation method thereof

A composite material and polyolefin technology, which is applied in the field of high-performance polyolefin composite materials and its preparation, can solve the problems of affecting the properties of modified polyolefin materials, restricting applications, poor interfacial bonding force and compatibility, etc., and increasing the crystal nucleus. Density and crystallization rate, improve physical properties, enhance the effect of force

Inactive Publication Date: 2017-05-10
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, thermoplastic elastomers prepared by physical blending of polyolefins and elastomers have been widely used in industry, but the interfacial bonding and compatibility between polyolefins and monomers are poor, which greatly affects the Modified properties of polyolefin materials and limits their applications

Method used

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  • High-performance polyolefin composite material and preparation method thereof
  • High-performance polyolefin composite material and preparation method thereof
  • High-performance polyolefin composite material and preparation method thereof

Examples

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preparation example Construction

[0026] A method for preparing any one of the above-mentioned high-performance polyolefin composite materials, comprising the steps of:

[0027] (1) Weighing 60-80 parts of polyolefin, 20-40 parts of elastomer, 6-10 parts of OBC, 0.1-0.5 parts of antioxidant and 0.4-0.8 parts of The lubricant is mixed and stirred evenly to obtain a mixture;

[0028] (2) extruding and granulating the mixture obtained in step (1) to obtain a polyolefin composite material.

[0029] The above raw materials can be dried at 100°C for 3 hours before mixing.

[0030] Preferably, the step (2) is specifically:

[0031] Put the mixture obtained in step (1) into the hopper of a twin-screw extruder for extrusion and granulation to obtain a polyolefin composite material, wherein the twin-screw extruder includes six temperature Zone, the temperature of the first temperature zone is 140°C-170°C, the temperature of the second temperature zone is 180°C-240°C, the temperature of the third temperature zone is 1...

Embodiment 1

[0037] (1) Weigh 60 parts of PE, 20 parts of EPR, 6 parts of OBC, 0.1 part of Irganox1330 and 0.4 part of sodium stearate, mix and stir evenly to obtain a mixture;

[0038] (2) Put the mixture obtained in step (1) into the hopper of the twin-screw extruder to extrude and granulate to obtain PE composite material P1, wherein the temperature in the first temperature zone of the twin-screw extruder is 140°C, the temperature in the second temperature zone is 180°C, the temperature in the third temperature zone is 180°C, the temperature in the fourth temperature zone is 180°C, the temperature in the fifth temperature zone is 180°C, and the temperature in the sixth temperature zone is 180°C, the head temperature of the twin-screw extruder is 180°C, and the screw speed is 120r / min.

Embodiment 2

[0043] (1) Weigh 80 parts of PP, 40 parts of EPDM, 10 parts of OBC, 0.2 part of Irganox1330, 0.1 part of Irganox1010, 0.2 part of Irganox168 and 0.8 part of calcium stearate, mix and stir evenly to obtain a mixture;

[0044] (2) Put the mixed material obtained in step (1) into the hopper of the twin-screw extruder and extrude and granulate to obtain the PP composite material P2, wherein the temperature in the first temperature zone of the twin-screw extruder is 170°C, the temperature in the second temperature zone is 240°C, the temperature in the third temperature zone is 240°C, the temperature in the fourth temperature zone is 240°C, the temperature in the fifth temperature zone is 240°C, and the temperature in the sixth temperature zone is 240°C, the head temperature of the twin-screw extruder is 240°C, and the screw speed is 300r / min.

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Abstract

The invention relates to a high-performance polyolefin composite material and a preparation method thereof. The composite material is prepared from, by weight, 60-80 parts of polyolefin, 20-40 parts of elastomer, 6-10 parts of an ethylene-octylene segmented copolymer, 0.1-0.5 parts of antioxidant, and 0.4-0.8 parts of a lubricant. In the technical scheme, the ethylene-octylene segmented copolymer (OBC) is a polymer surfactant of the polyolefin / elastomer two-phase system, wherein the OBC not only contains an amorphous soft segment being low in glass-transition temperature but also contains a hard segment being high in melting temperature and being crystallizable. The OBC has excellent compatibility with both the polyolefin and the elastomer, thereby enhancing the two-phase interfacial force between the polyolefin and the elastomer.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, in particular to a high-performance polyolefin composite material and a preparation method thereof. Background technique [0002] In order to enhance the toughness of polyolefin, the most simple and effective method is widely used to modify PP and other elastomer blends. In recent years, thermoplastic elastomers prepared by physical blending of polyolefins and elastomers have been widely used in industry, but the interfacial bonding and compatibility between polyolefins and monomers are poor, which greatly affects the Modified properties of polyolefin materials and limited their applications. Contents of the invention [0003] The object of the present invention is to provide a high-performance polyolefin composite material and its preparation method, so as to improve the physical properties of the polyolefin composite material. [0004] The present invention is achieved through the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/12C08L25/06C08L23/16C08L53/00C08L53/02C08K5/134C08K5/526C08K5/13C08K5/098
CPCC08L23/06C08K2201/014C08L23/12C08L25/06C08L2205/02C08L2205/03C08L23/16C08L53/00C08K5/13C08K5/098C08K5/1345C08K5/526C08L53/025
Inventor 刘凯
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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