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High-strength corrosion-resistant plastic for septic tank

A high-strength, anti-corrosion technology, applied in the field of high-strength anti-corrosion plastics for septic tanks, can solve the problems of shortened service life, polluted groundwater, unreasonable design, etc., to improve quality, reduce shrinkage, and wide application range Effect

Inactive Publication Date: 2017-06-20
四会市恒星智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many existing septic tanks have serious corrosion, low strength, and leakage due to factors such as unreasonable design and poor quality, which greatly shorten the service life. For example, those made of bricks, reinforced concrete or steel plates Septic tanks have different degrees of leakage, which seriously pollutes groundwater and endangers people's health.

Method used

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  • High-strength corrosion-resistant plastic for septic tank

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A high-strength corrosion-resistant plastic for septic tanks is made of the following parts by mass: 62 parts of linear low-density polyethylene, 45 parts of polypropylene, 10 parts of attapulgite, 8 parts of phytic acid, 10 parts of mica flakes, silicon carbonate 4 parts of whiskers, 17 parts of nano calcium carbonate, 10 parts of polyurea, 4 parts of antioxidant, 2 parts of antistatic agent, 3.5 parts of methacryloxypropyltrimethoxysilane, 0.5 part of vinyl acetate.

[0018] The preparation method of high-strength anti-corrosion plastics for septic tank, the preparation steps are as follows:

[0019] 1) Weigh the raw materials according to the weight of the powder, add linear low density polyethylene and polypropylene into the mixer, heat to 45°C, first mix at a speed of 60r / min for 1.5h, and then mix at a speed of 80r / min 2h;

[0020] 2) Then add attapulgite, phytic acid, mica flakes, silicon carbonate whiskers, nano calcium carbonate, polyurea, antioxidant, antista...

Embodiment 2

[0024] A high-strength corrosion-resistant plastic for septic tanks is made of the following parts by mass: 56 parts of linear low-density polyethylene, 60 parts of polypropylene, 12 parts of attapulgite, 7 parts of phytic acid, 14 parts of mica flakes, silicon carbonate 8 parts of whiskers, 20 parts of nano calcium carbonate, 8 parts of polyurea, 3 parts of antioxidant, 3 parts of antistatic agent, 4 parts of methacryloxypropyl trimethoxysilane, 1 part of vinyl acetate.

[0025] The preparation method of high-strength anti-corrosion plastics for septic tank, the preparation steps are as follows:

[0026] During the preparation process, the mixing temperature was 50°C, the preheating temperature in the screw extruder was 140°C, the plasticizing temperature was 178°C, the extrusion temperature was 165°C, and the extrusion speed was 11m / min, and the remaining steps were the same as in Example 1 .

Embodiment 3

[0028] A high-strength corrosion-resistant plastic for septic tanks is made of the following parts by mass: 60 parts of linear low-density polyethylene, 55 parts of polypropylene, 11 parts of attapulgite, 6 parts of phytic acid, 15 parts of mica flakes, silicon carbonate 7 parts of whiskers, 18 parts of nano calcium carbonate, 7 parts of polyurea, 5 parts of antioxidant, 2 parts of antistatic agent, 4.2 parts of methacryloxypropyl trimethoxysilane, 2 parts of vinyl acetate.

[0029] The preparation method of high-strength anti-corrosion plastics for septic tank, the preparation steps are as follows:

[0030] During the preparation process, the mixing temperature was 55°C, the preheating temperature in the screw extruder was 145°C, the plasticizing temperature was 183°C, the extrusion temperature was 155°C, and the extrusion speed was 12m / min, and the remaining steps were the same as in Example 1 .

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Abstract

The invention provides high-strength corrosion-resistant plastic for a septic tank. The high-strength corrosion-resistant plastic is prepared from 50 to 70 parts by mass of linear low-density polyethylene, 40 to 60 parts by mass of polypropylene, 8 to 12 parts by mass of attapulgite, 4 to 9 parts by mass of phytic acid, 10 to 16 parts by mass of mica flake, 3 to 10 parts by mass of silicon carbonate whiskers, 15 to 22 parts by mass of nanometer calcium carbonate, 5 to 10 parts by mass of polyurea, 2 to 5 parts by mass of an antioxidant, 2 to 4 parts by mass of an antistatic agent, 3 to 5 parts by mass of methacryloxypropyltrimethoxysilane and 0 to 2 parts by mass of vinyl acetate. The high-strength corrosion-resistant plastic has excellent resistance to penetration, acid and base corrosion resistance, high and low temperature resistance, mechanical strength, impact strength greater than or equal to 74 kJ / m<2>, tensile strength greater than or equal to 44 Mpa, a heat distortion temperature greater than 90 DEG C and a cold deformation temperature less than -37 DEG C.

Description

technical field [0001] The invention relates to the technical field of plastic septic tanks, in particular to a high-strength corrosion-resistant plastic for septic tanks. Background technique [0002] Septic tank is a treatment facility that uses the principle of sedimentation and anaerobic fermentation to remove suspended organic matter in domestic sewage, and is a primary transitional living treatment structure. Many existing septic tanks have serious corrosion, low strength, and leakage due to factors such as unreasonable design and poor quality, which greatly shorten the service life. For example, those made of bricks, reinforced concrete or steel plates Septic tanks all have different degrees of leakage, which seriously pollutes groundwater and endangers people's health. Contents of the invention [0003] In view of the above existing problems, the present invention proposes a high-strength corrosion-resistant plastic for septic tanks, which has excellent permeabili...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/08C08L23/12C08L75/02C08K13/04C08K3/34C08K7/00C08K7/10C08K3/26C08K5/5425
CPCC08L23/0815C08K2201/011C08L23/12C08L2201/08C08L2205/02C08L2205/03C08L75/02C08K13/04C08K3/346C08K7/00C08K7/10C08K2003/265C08K5/5425
Inventor 丘焕山
Owner 四会市恒星智能科技有限公司
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