CN103483812A - Preparation method for wear resistance nylon 66 containing novel antioxidant - Google Patents

Preparation method for wear resistance nylon 66 containing novel antioxidant Download PDF

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Publication number
CN103483812A
CN103483812A CN201310411999.4A CN201310411999A CN103483812A CN 103483812 A CN103483812 A CN 103483812A CN 201310411999 A CN201310411999 A CN 201310411999A CN 103483812 A CN103483812 A CN 103483812A
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antioxidant
gram
nylon
wear resistant
preparation
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CN103483812B (en
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沈国璋
程亚军
肖颖
付俊
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Ningbo Jindi Engineering Plastic Co ltd
Ningbo Institute of Material Technology and Engineering of CAS
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Ningbo Jindi Engineering Plastic Co ltd
Ningbo Institute of Material Technology and Engineering of CAS
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0881—Titanium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3009—Sulfides

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention relates to a preparation method for wear resistance nylon PA66 containing a novel antioxidant, wherein 100 parts of wear resistance nylon PA66, 5-20 parts of a wear resistance agent molybdenum disulfide, 1-5 parts of a wear resistance agent titanium dioxide, 0.1-1 part of an organic antioxidant, and 0.1-1 part of a metal antioxidant titanium powder are uniformly mixed and then are subjected to melting extrusion granulation through a twin-screw extruder to prepare the wear resistance nylon PA66. The wear resistance nylon PA66 has excellent wear resistance and good mechanical property.

Description

A kind of preparation method of the wear resistant nylon that contains novel antioxidant 66
Technical field
The present invention relates to a kind of preparation method of wear resistant nylon 66, especially a kind of preparation method of the wear resistant nylon that contains novel antioxidant 66.
Background technology
Nylon 66 is a kind of very important engineering plastics, the mechanical property excellence, and the thermodynamics texturing temperature is high, and frictional coefficient is low, is widely used in all kinds of wear resistant appliances.In order further to increase the wear resistance of nylon 66, the main employing added the frictional coefficient that inorganic wear resistant filler reduces material at present.The patent No. is a kind of in graphite, silicon carbide or molybdenumdisulphide for the Chinese patent of CN102757641 A provides a kind of preparation method of high-ductility abrasion-proof nylon, use therein anti-wear agent.Molybdenumdisulphide is a kind of cheap, and the anti-wear agent of excellent performance can improve the wear resistance of nylon greatly.But molybdenumdisulphide easily is oxidized to the molybdic oxide crystal without wear resistance when high temperature.Because nylon 66 temperature in the course of processing is high, so molybdenumdisulphide easily lost efficacy, and caused the wear resisting property of nylon 66 to can not get significantly improving.Common organic antioxidant can't stop molybdenumdisulphide deterioration by oxidation in the course of processing, therefore needs to find a kind of novel antioxidant and suppresses molybdenumdisulphide oxidation in the high temperature process process, at utmost improving the wear resistance of nylon 66.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, a kind of preparation method of the wear resistant nylon that contains novel antioxidant 66 is provided.
The present invention to the effect that adopts metallic titanium powder jointly to use as antioxidant and traditional organic antioxidant, suppresses the oxidation of material.
The inventive method is specifically:
Step (1). following each raw material of weighing: the molybdenumdisulphide that the nylon that parts by weight are 100 parts is 66,5～20 parts, the titanium dioxide of 1～5 part, the organic oxidation-resistant agent of 0.1～1 part, the metallic titanium powder of 0.1～1 part.
Described nylon 66 is common unmodified resin PA66, and fusing point is 255～265 ℃;
Described molybdenumdisulphide is of a size of 1～10 micron, as anti-wear agent, uses;
Described titanium dioxide is of a size of 50～200 nanometers, as anti-wear agent, uses;
Described organic oxidation-resistant agent is one or more in antioxidant B215, antioxidant B225, antioxidant 1010, antioxidant 1076;
Described metallic titanium powder is of a size of 1～10 micron, as antioxidant, uses.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 300～800rpm and mixes 3～10 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in twin screw extruder; the dicing machine pelletizing that the tank water-cooled that is 15～40 ℃ through temperature, rotating speed are 300～800rpm is placed on 70～110 ℃ of lower vacuum-dryings 5～10 hours, obtains wear resistant nylon 66 particles.
The screw speed of described twin screw extruder is 80～250rpm, and in the course of processing, processing temperature is 240～260 ℃ of feeding sections, 260～280 ℃ of fluxing zones, 270～300 ℃ of homogenizing zones, 240～260 ℃ of head temperatures.
The inventive method adopts metallic titanium powder as composite antioxidant, can effectively suppress molybdenumdisulphide deterioration by oxidation in the high temperature process process.The wear resistant nylon 66 mechanical property excellences that this legal system is standby, wear resistance is good, is prepared into long service life after device.
Embodiment
Below in conjunction with specific embodiment, the present invention is further analyzed.
Comparative Examples 1.
Step (1). weighing 1000 gram nylon 66,150 gram molybdenumdisulphide, 20 gram titanium dioxide, 3 gram antioxidant B225.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 300rpm and mixes 10 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 100rpm; twin screw extruder processing temperature in the course of processing is 240 ℃ of feeding sections; 260 ℃ of fluxing zones; 270 ℃ of homogenizing zones; 240 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 25 ℃, the dicing machine pelletizing that rotating speed is 400rpm, 80 ℃ of lower vacuum-dryings 10 hours, obtain wear resistant nylon 66 particles.
Wear resistant nylon 66 physicalies of table 1 Comparative Examples 1 preparation.
Performance Testing standard Unit Numerical value
Tensile strength ASTM-D 638 MPa 124
Flexural strength ASTM-D 790 MPa 159
Modulus in flexure ASTM-D 791 MPa 6500
Frictional coefficient GB 3960-83 Kinetic friction 0.22
Wear resistant nylon 66 tensile strengths of Comparative Examples 1 preparation are 124MPa, and flexural strength is 159MPa, and modulus in flexure is 6500 MPa, and kinetic friction coefficient is 0.22.
Embodiment 1.
Step (1). weighing 1000 gram nylon 66,150 gram molybdenumdisulphide, 20 gram titanium dioxide, 3 gram antioxidant B225,5 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 300rpm and mixes 10 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 100rpm; twin screw extruder processing temperature in the course of processing is 240 ℃ of feeding sections; 260 ℃ of fluxing zones; 270 ℃ of homogenizing zones; 240 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 25 ℃, the dicing machine pelletizing that rotating speed is 400rpm, 80 ℃ of lower vacuum-dryings 10 hours, obtain wear resistant nylon 66 particles.
The wear resistant nylon 66 mechanical property excellences of embodiment 1 preparation, wear resistance is good, and wherein tensile strength is 153MPa, and flexural strength is 208 MPa, and modulus in flexure is 7400 MPa, kinetic friction coefficient is 0.12.Contrast according to Comparative Examples 1 with embodiment 1, illustrate wear resistant nylon 66 materials all prepared lower than the inventive method by the wear resistant nylon 66 sample mechanical properties of not adding titanium valve and wear resisting property.
Wear resistant nylon 66 physicalies of table 2 embodiment 1 preparation.
Performance Testing standard Unit Numerical value
Tensile strength ASTM-D 638 MPa 153
Flexural strength ASTM-D 790 MPa 208
Modulus in flexure ASTM-D 791 MPa 7400
Frictional coefficient GB 3960-83 Kinetic friction 0.12
Embodiment 2.
Step (1). weighing 1000 gram nylon 66,50 gram molybdenumdisulphide, 50 gram titanium dioxide, 10 gram antioxidant B225,10 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 800rpm and mixes 3 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 80rpm; twin screw extruder processing temperature in the course of processing is 260 ℃ of feeding sections; 280 ℃ of fluxing zones; 300 ℃ of homogenizing zones; 260 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 15 ℃, the dicing machine pelletizing that rotating speed is 300rpm, 70 ℃ of lower vacuum-dryings 5 hours, obtain wear resistant nylon 66 particles.
Embodiment 3.
Step (1). weighing 1000 gram nylon 66,200 gram molybdenumdisulphide, 10 gram titanium dioxide, 1g antioxidant B215,6 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 500rpm and mixes 5 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 250rpm; twin screw extruder processing temperature in the course of processing is 250 ℃ of feeding sections; 270 ℃ of fluxing zones; 285 ℃ of homogenizing zones; 250 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 40 ℃, the dicing machine pelletizing that rotating speed is 800rpm, 110 ℃ of lower vacuum-dryings 6 hours, obtain wear resistant nylon 66 particles.
Embodiment 4.
Step (1). weighing 1000 gram nylon 66,100 gram molybdenumdisulphide, 30 gram titanium dioxide, 3 gram antioxidant B215,2 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 600rpm and mixes 8 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 120rpm; twin screw extruder processing temperature in the course of processing is 255 ℃ of feeding sections; 275 ℃ of fluxing zones; 290 ℃ of homogenizing zones; 255 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 25 ℃, the dicing machine pelletizing that rotating speed is 600rpm, 100 ℃ of lower vacuum-dryings 7 hours, obtain wear resistant nylon 66 particles.
Embodiment 5.
Step (1). weighing 1000 gram nylon 66,100 gram molybdenumdisulphide, 30 gram titanium dioxide, 3 gram antioxidant 1010s, 2 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 700rpm and mixes 7 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 160rpm; twin screw extruder processing temperature in the course of processing is 245 ℃ of feeding sections; 265 ℃ of fluxing zones; 280 ℃ of homogenizing zones; 245 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 30 ℃, the dicing machine pelletizing that rotating speed is 700rpm, 110 ℃ of lower vacuum-dryings 8 hours, obtain wear resistant nylon 66 particles.
Embodiment 6.
Step (1). weighing 1000 gram nylon 66,100 gram molybdenumdisulphide, 30 gram titanium dioxide, 3 gram antioxidant 1076,2 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 600rpm and mixes 8 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 220rpm; twin screw extruder processing temperature in the course of processing is 255 ℃ of feeding sections; 275 ℃ of fluxing zones; 280 ℃ of homogenizing zones; 255 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 25 ℃, the dicing machine pelletizing that rotating speed is 650rpm, 100 ℃ of lower vacuum-dryings 9.5 hours, obtain wear resistant nylon 66 particles.
Embodiment 7.
Step (1). weighing 1000 gram nylon 66,100 gram molybdenumdisulphide, 30 gram titanium dioxide, 3 gram antioxidant B215,3 gram antioxidant B225,2 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 600rpm and mixes 8 minutes, obtain compound.
Step (3). it is extruding pelletization in the 200rpm twin screw extruder that above-mentioned compound is joined to screw speed; twin screw extruder processing temperature in the course of processing is 250 ℃ of feeding sections; 270 ℃ of fluxing zones; 280 ℃ of homogenizing zones; 255 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 25 ℃, the dicing machine pelletizing that rotating speed is 600rpm, 100 ℃ of lower vacuum-dryings 6 hours, obtain wear resistant nylon 66 particles.
Embodiment 8.
Step (1). weighing 1000 gram nylon 66,100 gram molybdenumdisulphide, 30 gram titanium dioxide, 2 gram antioxidant B215,2 gram antioxidant 1010s, 2 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 700rpm and mixes 6 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 210rpm; twin screw extruder processing temperature in the course of processing is 255 ℃ of feeding sections; 275 ℃ of fluxing zones; 290 ℃ of homogenizing zones; 255 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 25 ℃, the dicing machine pelletizing that rotating speed is 500rpm, 75 ℃ of lower vacuum-dryings 7 hours, obtain wear resistant nylon 66 particles.
Embodiment 9.
Step (1). weighing 1000 gram nylon 66,100 gram molybdenumdisulphide, 30 gram titanium dioxide, 3 gram antioxidant B215,5 gram antioxidant 1076,2 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 600rpm and mixes 8 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 190rpm; twin screw extruder processing temperature in the course of processing is 255 ℃ of feeding sections; 275 ℃ of fluxing zones; 300 ℃ of homogenizing zones; 255 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 25 ℃, the dicing machine pelletizing that rotating speed is 600rpm, 100 ℃ of lower vacuum-dryings 8 hours, obtain wear resistant nylon 66 particles.
Embodiment 10.
Step (1). weighing 1000 gram nylon 66,100 gram molybdenumdisulphide, 30 gram titanium dioxide, 3 gram antioxidant B225,1 gram antioxidant 1010,2 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 600rpm and mixes 8 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 230rpm; twin screw extruder processing temperature in the course of processing is 255 ℃ of feeding sections; 275 ℃ of fluxing zones; 280 ℃ of homogenizing zones; 255 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 25 ℃, the dicing machine pelletizing that rotating speed is 600rpm, 100 ℃ of lower vacuum-dryings 9 hours, obtain wear resistant nylon 66 particles.
Embodiment 11.
Step (1). weighing 1000 gram nylon 66,100 gram molybdenumdisulphide, 30 gram titanium dioxide, 5 gram antioxidant B225,5 gram antioxidant 1076,2 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 600rpm and mixes 9 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 170rpm; twin screw extruder processing temperature in the course of processing is 250 ℃ of feeding sections; 265 ℃ of fluxing zones; 290 ℃ of homogenizing zones; 260 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 25 ℃, the dicing machine pelletizing that rotating speed is 600rpm, 100 ℃ of lower vacuum-dryings 5.5 hours, obtain wear resistant nylon 66 particles.
Embodiment 12.
Step (1). weighing 1000 gram nylon 66,100 gram molybdenumdisulphide, 30 gram titanium dioxide, 4 gram antioxidant 1010s, 2 gram antioxidant 1076,2 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 600rpm and mixes 8 minutes, obtain compound.
Step (3). extruding pelletization in the twin screw extruder that is 150rpm at screw speed by above-mentioned compound; twin screw extruder processing temperature in the course of processing is 240 ℃ of feeding sections; 260 ℃ of fluxing zones; 275 ℃ of homogenizing zones; 245 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 25 ℃, the dicing machine pelletizing that rotating speed is 600rpm, 100 ℃ of lower vacuum-dryings 8 hours, obtain wear resistant nylon 66 particles.
Embodiment 13.
Step (1). weighing 1000 gram nylon 66,100 gram molybdenumdisulphide, 30 gram titanium dioxide, 3 gram antioxidant B215,3 gram antioxidant B225,3 gram antioxidant 1010s, 2 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 600rpm and mixes 8 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 130rpm; twin screw extruder processing temperature in the course of processing is 255 ℃ of feeding sections; 265 ℃ of fluxing zones; 295 ℃ of homogenizing zones; 240 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 35 ℃, the dicing machine pelletizing that rotating speed is 600rpm, 100 ℃ of lower vacuum-dryings 8 hours, obtain wear resistant nylon 66 particles.
Embodiment 14.
Step (1). weighing 1000 gram nylon 66,100 gram molybdenumdisulphide, 30 gram titanium dioxide, 2 gram antioxidant B215,1 gram antioxidant 1010,3 gram antioxidant 1076,2 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 600rpm and mixes 8 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 160rpm; twin screw extruder processing temperature in the course of processing is 255 ℃ of feeding sections; 275 ℃ of fluxing zones; 280 ℃ of homogenizing zones; 260 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 25 ℃, the dicing machine pelletizing that rotating speed is 600rpm, 100 ℃ of lower vacuum-dryings 8 hours, obtain wear resistant nylon 66 particles.
Embodiment 15.
Step (1). weighing 1000 gram nylon 66,100 gram molybdenumdisulphide, 30 gram titanium dioxide, 3 gram antioxidant B225,3 gram antioxidant 1010s, 4 gram antioxidant 1076,2 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 600rpm and mixes 8 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 250rpm; twin screw extruder processing temperature in the course of processing is 245 ℃ of feeding sections; 275 ℃ of fluxing zones; 290 ℃ of homogenizing zones; 245 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 25 ℃, the dicing machine pelletizing that rotating speed is 600rpm, 100 ℃ of lower vacuum-dryings 6.5 hours, obtain wear resistant nylon 66 particles.
Embodiment 16.
Step (1). weighing 1000 gram nylon 66,100 gram molybdenumdisulphide, 30 gram titanium dioxide, 1 gram antioxidant B215,1 gram antioxidant B225,1 gram antioxidant 1076,2 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 600rpm and mixes 8 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 100rpm; twin screw extruder processing temperature in the course of processing is 260 ℃ of feeding sections; 270 ℃ of fluxing zones; 280 ℃ of homogenizing zones; 250 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 25 ℃, the dicing machine pelletizing that rotating speed is 600rpm, 100 ℃ of lower vacuum-dryings 8 hours, obtain wear resistant nylon 66 particles.
Embodiment 17.
Step (1). weighing 1000 gram nylon 66,100 gram molybdenumdisulphide, 35 gram titanium dioxide, 3 gram antioxidant B215,2 gram antioxidant B225,2 gram antioxidant 1010s, 2 gram antioxidant 1076,2 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 650rpm and mixes 8 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 80rpm; twin screw extruder processing temperature in the course of processing is 240 ℃ of feeding sections; 280 ℃ of fluxing zones; 300 ℃ of homogenizing zones; 260 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 25 ℃, the dicing machine pelletizing that rotating speed is 600rpm, 100 ℃ of lower vacuum-dryings 10 hours, obtain wear resistant nylon 66 particles.
Embodiment 18.
Step (1). weighing 1000 gram nylon 66,100 gram molybdenumdisulphide, 50 gram titanium dioxide, 1 gram antioxidant 1076,1 gram metallic titanium powder.
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 650rpm and mixes 8 minutes, obtain compound.
Step (3). above-mentioned compound is joined to extruding pelletization in the twin screw extruder that screw speed is 200rpm; twin screw extruder processing temperature in the course of processing is 240 ℃ of feeding sections; 280 ℃ of fluxing zones; 300 ℃ of homogenizing zones; 260 ℃ of head temperatures; then, after the tank water-cooled that to be placed in temperature be 25 ℃, the dicing machine pelletizing that rotating speed is 600rpm, 100 ℃ of lower vacuum-dryings 10 hours, obtain wear resistant nylon 66 particles.
The nylon 66 used in above-mentioned all embodiment is common unmodified resin PA66, and fusing point is 255～265 ℃; Molybdenumdisulphide is of a size of 1～10 micron; Titanium dioxide is of a size of 50～200 nanometers; Metallic titanium powder is of a size of 1～10 micron.
Above-described embodiment is not that the present invention is not limited only to above-described embodiment for restriction of the present invention, as long as meet requirement of the present invention, all belongs to protection scope of the present invention.

Claims (7)

1. the preparation method of a wear resistant nylon that contains novel antioxidant 66 is characterized in that the method comprises the following steps:
Step (1). following each raw material of weighing: the molybdenumdisulphide that the nylon that parts by weight are 100 parts is 66,5～20 parts, the titanium dioxide of 1～5 part, the organic oxidation-resistant agent of 0.1～1 part, the metallic titanium powder of 0.1～1 part;
Step (2). above-mentioned raw materials is joined in the high-speed mixer that rotating speed is 300～800rpm and mixes 3～10 minutes, obtain compound;
Step (3). above-mentioned compound is joined to extruding pelletization in twin screw extruder; the dicing machine pelletizing that the tank water-cooled that is 15～40 ℃ through temperature, rotating speed are 300～800rpm is placed on 70～110 ℃ of lower vacuum-dryings 5～10 hours, obtains wear resistant nylon 66 particles.
2. the preparation method of a kind of wear resistant nylon that contains novel antioxidant 66 as claimed in claim 1, is characterized in that described nylon 66 is common unmodified resin PA66, and fusing point is 255～265 ℃.
3. the preparation method of a kind of wear resistant nylon that contains novel antioxidant 66 as claimed in claim 1, is characterized in that described molybdenumdisulphide is of a size of 1～10 micron, uses as anti-wear agent.
4. the preparation method of a kind of wear resistant nylon that contains novel antioxidant 66 as claimed in claim 1, is characterized in that described titanium dioxide is of a size of 50～200 nanometers, uses as anti-wear agent.
5. the preparation method of a kind of wear resistant nylon that contains novel antioxidant 66 as claimed in claim 1, is characterized in that described organic oxidation-resistant agent is one or more in antioxidant B215, antioxidant B225, antioxidant 1010, antioxidant 1076.
6. the preparation method of a kind of wear resistant nylon that contains novel antioxidant 66 as claimed in claim 1, is characterized in that described metallic titanium powder is of a size of 1～10 micron, uses as antioxidant.
7. the preparation method of a kind of wear resistant nylon that contains novel antioxidant 66 as claimed in claim 1, the screw speed that it is characterized in that described twin screw extruder is 80～250rpm, in the course of processing, processing temperature is 240～260 ℃ of feeding sections, 260～280 ℃ of fluxing zones, 270～300 ℃ of homogenizing zones, 240～260 ℃ of head temperatures.
CN201310411999.4A 2013-09-11 2013-09-11 A kind of preparation method of the wear resistant nylon 66 containing antioxidant Active CN103483812B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114990729A (en) * 2022-06-15 2022-09-02 广州明晖新材料有限公司 Wear-resistant nylon yarn and preparation method thereof
CN115537021A (en) * 2022-11-02 2022-12-30 滨州中科催化技术有限公司 Modified nylon 66 particle and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101838576A (en) * 2009-03-20 2010-09-22 中国科学院宁波材料技术与工程研究所 Dry film lubricant based on modified epoxy resin and preparation method thereof
CN102757641A (en) * 2012-08-10 2012-10-31 平顶山亚塑工业有限公司 High toughness and wear resistant nylon and preparation method thereof
CN102787003A (en) * 2012-09-03 2012-11-21 通化七星润滑油制造有限责任公司 Compound lubricating grease and preparation method of compound lubricating grease

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101838576A (en) * 2009-03-20 2010-09-22 中国科学院宁波材料技术与工程研究所 Dry film lubricant based on modified epoxy resin and preparation method thereof
CN102757641A (en) * 2012-08-10 2012-10-31 平顶山亚塑工业有限公司 High toughness and wear resistant nylon and preparation method thereof
CN102787003A (en) * 2012-09-03 2012-11-21 通化七星润滑油制造有限责任公司 Compound lubricating grease and preparation method of compound lubricating grease

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114990729A (en) * 2022-06-15 2022-09-02 广州明晖新材料有限公司 Wear-resistant nylon yarn and preparation method thereof
CN115537021A (en) * 2022-11-02 2022-12-30 滨州中科催化技术有限公司 Modified nylon 66 particle and preparation method thereof
CN115537021B (en) * 2022-11-02 2023-09-29 苏州和庚丽塑胶科技有限公司 Modified nylon 66 particles and preparation method thereof

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