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Flame-retardant diesel engine accessory material and preparation method thereof

A technology for diesel engine and accessories, applied in the field of flame retardant diesel engine accessories and its preparation, can solve the problems of low elongation at break, low tensile strength, low impact strength, etc., and achieve the effect of good mechanical properties

Inactive Publication Date: 2017-04-19
WUXI YONGXING METAL HOSE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] This application aims at the technical problems of low tensile strength, low impact strength, low elongation at break and low bending strength of the existing flame retardant diesel engine parts materials, and provides a flame retardant diesel engine parts material and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Weigh 100 parts of phenolic resin, 30 parts of phenolic resin, 0.5 part of alumina, 4 parts of chrysotile, 20 parts of copper powder, 12 parts of hexamethylenetetramine, 5 parts of antimony trioxide, boric acid 2 parts of zinc, 0.5 parts of dibutyltin laurate, 3 parts of silicone oil, 0.6 parts of triethyltetramine, 25 parts of stainless steel metal powder, 0.5 parts of dicumyl peroxide, and 10 parts of fluorotrichloromethane.

[0023] Put phenolic resin, phenol resin, stainless steel metal powder and dicumyl peroxide into a reaction kettle equipped with a stirrer and a thermometer, raise the temperature to 80°C, stir for 10 minutes, and the stirring speed is 3000-5000 rpm.

[0024] Add the remaining raw materials, put them into the kneader, and knead at 100°C for 20 minutes. The temperature of the twin-screw extrusion barrel is 145°C, 150°C, 155°C, 165°C, 170°C, and the head temperature is 180°C.

[0025] Oxygen index 40%, Shore hardness 55A, notched impact strength 40...

Embodiment 2

[0027] Weigh 100 parts of phenolic resin, 50 parts of phenolic resin, 4.5 parts of alumina, 8 parts of chrysotile, 40 parts of copper powder, 18 parts of hexamethylenetetramine, 25 parts of antimony trioxide, boric acid 6 parts of zinc, 4.5 parts of dibutyltin laurate, 7 parts of silicone oil, 1 part of triethyltetramine, 65 parts of stainless steel metal powder, 2.5 parts of dicumyl peroxide, and 30 parts of fluorotrichloromethane.

[0028] Put phenolic resin, phenol resin, stainless steel metal powder and dicumyl peroxide into a reaction kettle equipped with a stirrer and a thermometer, raise the temperature to 100°C, stir for 30 minutes, and the stirring speed is 5000 rpm.

[0029] Add the remaining raw materials, put them into the kneader, and knead at 120°C for 40 minutes. The temperature of the twin-screw extrusion barrel is 155°C, 160°C, 165°C, 175°C, 180°C, and the head temperature is 190°C.

[0030] Oxygen index 41%, Shore hardness 60A, notched impact strength 45kJ / m ...

Embodiment 3

[0032]Weigh 100 parts of phenolic resin, 35 parts of phenolic resin, 1.5 parts of aluminum oxide, 5 parts of chrysotile, 25 parts of copper powder, 13 parts of hexamethylenetetramine, 10 parts of antimony trioxide, boric acid 3 parts of zinc, 1.5 parts of dibutyltin laurate, 4 parts of silicone oil, 0.7 parts of triethyltetramine, 35 parts of stainless steel metal powder, 1 part of dicumyl peroxide, and 15 parts of fluorotrichloromethane.

[0033] Put phenolic resin, phenol resin, stainless steel metal powder and dicumyl peroxide into a reaction kettle equipped with a stirrer and a thermometer, raise the temperature to 80°C, stir for 10 minutes, and the stirring speed is 3000 rpm.

[0034] Add the remaining raw materials, put them into the kneader, and knead at 100°C for 20 minutes. The temperature of the twin-screw extrusion barrel is 145°C, 150°C, 155°C, 165°C, 170°C, and the head temperature is 180°C.

[0035] Oxygen index 42%, Shore hardness 65A, notched impact strength 50...

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Abstract

The invention discloses a flame-retardant diesel engine accessory material and a preparation method thereof. Phenol-formaldehyde resin, phenolic resin, aluminium oxide, chrysotile, copper powder, hexamethylenetetramine, antimonous oxide, zinc borate, dibutyl tin dialurate, silicone oil, trietyl tetramine, stainless metal powder, dicumyl peroxide and fluoro trichloromethane are weighed. oxygen index is 40-44%, shore hardness is 55-75A, and notch impact strength is 40-60 kJ / m<3>; permanent compression set is 25-45%, and tensile strength is 120-160 MPa; the material is resistant to high temperature of 600-700 DEG C with no fusion drop, bending strength is 60-80 MPa, and elongation at break is 300-700%; tear strength is 500-900 N / m, impact resilience is 45-65%, abrasion loss is 0.3-0.5 micron / time, and flexural modulus is 1.05-1.45 GPa.

Description

technical field [0001] The invention relates to the field of diesel engine materials, in particular to a material for flame-retardant diesel engine accessories and a preparation method thereof. Background technique [0002] The common rail injection fuel supply system consists of a high-pressure fuel pump, a public fuel supply pipe, a fuel injector, an electronic control unit (ECU) and some pipeline pressure sensors. Each fuel injector in the system communicates with the public fuel supply through its own high-pressure fuel pipe. The common oil supply pipe acts as a hydraulic pressure accumulator for the injector. When working, the high-pressure oil pump delivers the fuel to the public fuel supply pipe at high pressure, and the high-pressure fuel pump, pressure sensor and ECU form a closed-loop operation to achieve precise control of the oil pressure in the public fuel supply pipe, completely changing the fuel supply pressure that changes with the engine speed. Phenomenon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/06C08L83/04C08K13/02C08K3/22C08K3/34C08K3/08C08K3/38C08K5/12C08K5/02
CPCC08L61/06C08L2201/02C08L2201/08C08L2205/03C08L83/04C08K13/02C08K2003/2227C08K3/34C08K2003/085C08K3/2279C08K2003/387C08K5/12C08K5/02
Inventor 王志兴
Owner WUXI YONGXING METAL HOSE
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