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PE160 grade composite material for pipes and preparation method of composite material

1. The technology of PE160 and composite materials, which is applied in the field of composite materials for PE160 grade pipes and its preparation, can solve the problems of poor mechanical properties of high-density polyethylene, restrict the application of HDPE, and be prone to stress cracking, etc., and achieve strong impact resistance, Effects of improving mechanical and thermal properties and reducing linear expansion coefficient

Inactive Publication Date: 2014-08-27
杨电云
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the poor mechanical properties of high-density polyethylene, easy to deform, easy to age, easy to become brittle, easy to stress cracking, restricting the wide application of HDPE

Method used

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  • PE160 grade composite material for pipes and preparation method of composite material
  • PE160 grade composite material for pipes and preparation method of composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Composite material for PE160 grade pipes, which contains the following components, and the weight ratio of each component is:

[0048] HDPE resin 100,

[0049] Inorganic rigid particles 50,

[0050]Microfiber 30,

[0051] Functional raw materials8.

[0052] The inorganic rigid particles are calcium carbonate, talcum powder, wollastonite and kaolin with an average particle size of 0.5-10 μm.

[0053] The ultrafine fiber is nylon, vinylon, glass fiber, carbon fiber and aramid fiber with a diameter of 0.1-20 μm.

[0054] The functional raw materials are antioxidants, lubricants, coupling agents, solubilizers and inducers.

[0055] And the weight ratio of above-mentioned each component is:

[0056] HDPE resin 100,

[0057] calcium carbonate 10,

[0058] Talc powder 10,

[0059] wollastonite 15,

[0060] Kaolin 15,

[0061] Nylon 5,

[0062] Vinylon 10,

[0063] Fiberglass 4,

[0064] carbon fiber 4,

[0065] Aramid 7,

[0066] Antioxidant 1,

[0067] lubrica...

Embodiment 2

[0077] Composite material for PE160 grade pipes, which contains the following components, and the weight ratio of each component is:

[0078] HDPE resin 100,

[0079] Inorganic rigid particles 30,

[0080] Microfiber 40,

[0081] Functional ingredients 10.

[0082] The inorganic rigid particles are silicate, wollastonite, talcum powder, silicon dioxide and calcium carbonate with an average particle size of 0.5-10 μm and an average particle size of 1-1000 nm.

[0083] The ultrafine fibers are nylon and glass fibers with a diameter of 1-10 μm.

[0084] The functional raw materials are antioxidants, lubricants, coupling agents, toughening agents and solubilizers.

[0085] And the weight ratio of above-mentioned each component is:

[0086] HDPE resin 100,

[0087] calcium carbonate 5,

[0088] Talc 6,

[0089] Wollastonite 7,

[0090] Silica 6,

[0091] Silicate 6,

[0092] Nylon 20,

[0093] Fiberglass 20,

[0094] Antioxidant 4,

[0095] lubricant 6,

[0096] Coup...

Embodiment 3

[0105] Composite material for PE160 grade pipes, which contains the following components, and the weight ratio of each component is:

[0106] HDPE resin 100,

[0107] Inorganic rigid particles 0.5,

[0108] Microfiber 1,

[0109] Functional ingredients 0.05.

[0110] The inorganic rigid particles are calcium carbonate with an average particle size of 0.5-10 μm.

[0111] The ultrafine fibers are glass fibers with a diameter of 0.1-3 μm.

[0112] The functional raw material is a coupling agent.

[0113] And the weight ratio of above-mentioned each component is:

[0114] HDPE resin 100,

[0115] Calcium carbonate 0.5,

[0116] Fiberglass 1,

[0117] Coupling agent 0.05,

[0118] It includes the following steps:

[0119] A, select the raw materials in the above formula except ultrafine fibers, prepare and weigh according to the proportion and put them into the high mixer and stir for 3 minutes;

[0120] B. Put the homogeneously mixed material in step A into the barrel o...

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Abstract

The invention discloses a PE160 grade composite material for pipes. The PE160 grade composite material comprises the following ingredients in parts by weight: 100 parts of HDPE (high-density polyethylene) resin, 0.5 to 50 parts of inorganic rigid particles, 1 to 40 parts of ultrafine fibers and 0.05 to 10 parts of functional raw materials. The invention also discloses a preparation method of the material. The preparation method comprises the following steps that A, raw materials except the ultrafine fibers in the recipe are selected and are placed into a high mixing machine; B, the materials which are uniformly mixed in the step A are added into a material tube of a plastic extruding machine, the temperature is set, the screw rod rotating speed and the feeding speed are regulated, and the ultrafine fibers are fed in the second section of the plasticization; and C, normal wire drawing cooling, particle cutting, baking and package are carried out. The PE160 grade composite material has the beneficial effects that the goals of enhancing the intensity and the rigidity of polyethylene, reducing the linear expansion factor, improving the mechanical property and thermal performance can be realized, the work pressure is improved, the safety and the reliability are higher, the ring rigidity, the intensity and the toughness are more excellent, in addition, the weight is light, the impact resistance is high, and the damage cannot occur.

Description

technical field [0001] The invention relates to the technical field of polymer composite materials, in particular to a composite material for PE160 grade pipes and a preparation method thereof. Background technique [0002] High-density polyethylene (High Density Polyethylene, referred to as "HDPE") is a non-polar thermoplastic resin with high crystallinity, soft and tough, but slightly harder than LDPE, and slightly elongated, non-toxic, tasteless. PE has excellent resistance to most domestic and industrial chemicals, is non-hygroscopic and has good water vapor resistance. HDPE also has good electrical properties, especially the high dielectric strength of the insulation. However, HDPE has poor mechanical properties, easy deformation, aging, brittleness, and stress cracking, which restricts the wide application of HDPE. Contents of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the prior art, and provide a composite mater...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08K13/06C08K9/04C08K3/26C08K3/34C08K3/36C08K7/02C08K7/14C08K7/06B29B9/06
Inventor 杨电云
Owner 杨电云