CN111320835A - Self-lubricating, dirt-resistant and friction-resistant plastic - Google Patents
Self-lubricating, dirt-resistant and friction-resistant plastic Download PDFInfo
- Publication number
- CN111320835A CN111320835A CN202010219304.2A CN202010219304A CN111320835A CN 111320835 A CN111320835 A CN 111320835A CN 202010219304 A CN202010219304 A CN 202010219304A CN 111320835 A CN111320835 A CN 111320835A
- Authority
- CN
- China
- Prior art keywords
- resistant
- percent
- plastic
- lubricating
- friction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920003023 plastic Polymers 0.000 title claims abstract description 77
- 239000004033 plastic Substances 0.000 title claims abstract description 77
- 239000000843 powder Substances 0.000 claims abstract description 73
- 239000011324 bead Substances 0.000 claims abstract description 21
- 239000011521 glass Substances 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 239000011347 resin Substances 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 21
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims abstract description 19
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 19
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 19
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 19
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims abstract description 19
- 239000007822 coupling agent Substances 0.000 claims abstract description 9
- 238000009792 diffusion process Methods 0.000 claims abstract description 9
- 239000004088 foaming agent Substances 0.000 claims abstract description 9
- 239000003921 oil Substances 0.000 claims abstract description 9
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 7
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 7
- 238000010329 laser etching Methods 0.000 claims abstract description 7
- 239000012860 organic pigment Substances 0.000 claims abstract description 7
- 239000012745 toughening agent Substances 0.000 claims abstract description 7
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 27
- 239000002245 particle Substances 0.000 claims description 26
- 239000000956 alloy Substances 0.000 claims description 22
- 229910045601 alloy Inorganic materials 0.000 claims description 22
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 20
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 20
- 239000000919 ceramic Substances 0.000 claims description 14
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims description 14
- 229920007019 PC/ABS Polymers 0.000 claims description 11
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 8
- 239000004917 carbon fiber Substances 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 229920005669 high impact polystyrene Polymers 0.000 claims description 3
- 239000004797 high-impact polystyrene Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 230000001050 lubricating effect Effects 0.000 abstract description 11
- 229910052705 radium Inorganic materials 0.000 abstract description 6
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000010147 laser engraving Methods 0.000 abstract description 3
- 238000007650 screen-printing Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 229920006351 engineering plastic Polymers 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2333/12—Homopolymers or copolymers of methyl methacrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2355/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2323/00 - C08J2353/00
- C08J2355/02—Acrylonitrile-Butadiene-Styrene [ABS] polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/18—Homopolymers or copolymers of tetrafluoroethylene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2433/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2433/12—Homopolymers or copolymers of methyl methacrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2455/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2423/00 - C08J2453/00
- C08J2455/02—Acrylonitrile-Butadiene-Styrene [ABS] polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the technical field of key raw materials, and particularly relates to a self-lubricating dirt-resistant friction-resistant plastic which comprises the following raw materials in percentage by mass: 60 to 80 percent of base resin; 5 to 15 percent of ultra-high molecular weight polyethylene powder; 3% -8% of glass beads; 0.5 to 1 percent of coupling agent; 0.5 to 1 percent of diffusion oil; 2 to 10 percent of polytetrafluoroethylene powder; and 2 to 10 percent of foaming agent. The self-lubricating dirt-resistant and friction-resistant plastic has the characteristics of good lubricating property and wear resistance, and the friction-reducing and wear-resistant effects are achieved by adding the ultra-high molecular weight polyethylene powder, the glass beads and the polytetrafluoroethylene powder. The self-lubricating stain-resistant friction-resistant plastic also comprises the following raw materials in percentage by mass: 0.5-2% of laser etching powder; 0.1 to 0.5 percent of organic pigment; 1.5 to 5 percent of toughening agent; and 1-3% of antioxidant. This resistant dirty antifriction plastics of self-lubricating is through adding radium carving powder, can carve out complete clear white character under radium carving machine, compares traditional silk screen printing technology, and laser engraving efficiency is higher, and is littleer to environmental pollution.
Description
Technical Field
The invention belongs to the technical field of key raw materials, and particularly relates to a self-lubricating, dirt-resistant and friction-resistant plastic.
Background
Keys of electronic equipment such as computer keyboards, calculators and the like are mostly made of plastics, and because the lubricating property of raw materials of the plastic keys in the prior art is poor, the lubricating property of the manufactured plastic keys is poor, and in order to keep the plastic keys not to be clamped after long-term use, lubricating grease is usually smeared at word key holes in the production and manufacturing process. The mode of smearing lubricating oil has the problems of uneven smearing, seepage of lubricating oil, drying of grease, dust adsorption and the like, finally causes unsmooth or impossible rebound of the key, loses the key function, and has the risk of environmental protection not reaching the standard.
Chinese patent with application number CN00123963.5 discloses a PP-R plastic special material modified by engineering plastics and a preparation method thereof, wherein the modified PP-R plastic special material comprises 50-75 parts by weight of PP-R resin, 10-30 parts by weight of engineering plastics, 1-10 parts by weight of compatibilizer and 0.5-3 parts by weight of lubricant. The lubricating property of the modified PP-R plastic is enhanced by adding a lubricant, but the lubricating effect of the plastic cannot meet the requirement of a plastic key on the lubricating property.
Disclosure of Invention
The invention aims to provide a self-lubricating, dirt-resistant and friction-resistant plastic, and aims to solve the technical problem that the plastic key raw material in the prior art is poor in lubricating property.
In order to achieve the purpose, the embodiment of the invention provides a self-lubricating, dirt-resistant and friction-resistant plastic which comprises the following raw materials in percentage by mass:
60 to 80 percent of base resin;
5 to 15 percent of ultra-high molecular weight polyethylene powder;
3% -8% of glass beads;
0.5 to 1 percent of coupling agent;
0.5 to 1 percent of diffusion oil;
2 to 10 percent of polytetrafluoroethylene powder; and
2 to 10 percent of foaming agent.
Preferably, the self-lubricating dirt-resistant and friction-resistant plastic further comprises the following raw materials in percentage by mass:
0.5-2% of laser etching powder;
0.1 to 0.5 percent of organic pigment;
1.5 to 5 percent of toughening agent; and
1-3% of antioxidant.
Preferably, the self-lubricating dirt-resistant and friction-resistant plastic further comprises the following raw materials in percentage by mass:
0.5 to 2 percent of carbon fiber;
0.1 to 2 percent of potassium titanate crystal whisker; and
0.2 to 1.5 percent of spherical ceramic powder.
Preferably, the chemical general formula of the potassium titanate whisker is K2O.nTiO2Wherein n is 4 or 6; the potassium titanate whisker has a diameter of 0.6-1.0 micrometer and a length of 20-60 micrometers.
Preferably, the particle size of the glass beads is 5-10 microns.
Preferably, the molecular weight of the ultra-high molecular weight polyethylene powder is 100-200 ten thousand, and the average particle size is 26-32 microns.
Preferably, the base resin is selected from one or more of ABS plastic, HIPS plastic, PS plastic, PMMA plastic, PC/ABS plastic alloy, PMMA/ABS plastic alloy, PA plastic, PBT plastic or POM plastic.
Preferably, the mass ratio of PC to ABS in the PC/ABS plastic alloy is 0.2-5: 1; the mass ratio of PMMA to ABS in the PMMA/ABS plastic alloy is 0.2-5: 1.
preferably, the molecular weight of the polytetrafluoroethylene powder is 4-15 ten thousand, and the average particle size is 5-15 micrometers.
Preferably, the spherical ceramic powder is selected from one or more of spherical silicon oxide powder, spherical aluminum oxide powder, spherical silicon carbide powder or spherical silicon nitride powder; the particle size is 0.1-1 micron.
One or more technical schemes in the self-lubricating, dirt-resistant and friction-resistant plastic provided by the embodiment of the invention have at least one of the following technical effects:
1. the self-lubricating dirt-resistant and friction-resistant plastic has the characteristics of good lubricating property and wear resistance, and the friction-reducing and wear-resistant effects are achieved by adding the ultrahigh molecular weight polyethylene powder, the glass beads and the polytetrafluoroethylene powder in proportion; the surface hardness of the carbon fiber is enhanced by adding the carbon fiber in a proportion amount; through the test of a friction coefficient meter, under the test conditions of 200g rectangular load and 500mm/min traction speed, compared with the test piece with the same specification made of common resin, the static friction coefficient is reduced by 58 percent, and the dynamic friction coefficient is reduced by 52.8 percent;
2. in the prior art, after a computer key made of resin is used for a long time, the surface of the key is abraded, so that the surface of the key is shiny, and the appearance of a product is seriously influenced; this resistant dirty antifriction plastics of self-lubricating is through adding radium carving powder, can carve out complete clear white character under radium carving machine, compares traditional silk screen printing technology, and laser engraving efficiency is higher, and is littleer to environmental pollution, and long-time back character that uses can not blacken, become dirty.
Detailed Description
The present invention will be further described with reference to the following examples, but the embodiments of the present invention are not limited thereto.
The embodiment of the invention provides a self-lubricating, dirt-resistant and friction-resistant plastic which comprises the following raw materials in percentage by mass: 60 to 80 percent of base resin; 5 to 15 percent of ultra-high molecular weight polyethylene powder; 3% -8% of glass beads; 0.5 to 1 percent of coupling agent; 0.5 to 1 percent of diffusion oil; 2 to 10 percent of polytetrafluoroethylene powder; and 2 to 10 percent of foaming agent. The self-lubricating dirt-resistant and friction-resistant plastic has the characteristics of good lubricating property and wear resistance, and the friction-reducing and wear-resistant effects are achieved by adding the ultra-high molecular weight polyethylene powder, the glass beads and the polytetrafluoroethylene powder; through the test of a friction coefficient meter, under the test conditions of 200g rectangular load and 500mm/min traction speed, compared with the test piece with the same specification made of common resin, the static friction coefficient is reduced by 58 percent, and the dynamic friction coefficient is reduced by 52.8 percent
Preferably, the self-lubricating dirt-resistant and friction-resistant plastic further comprises the following raw materials in percentage by mass: 0.5-2% of laser etching powder; 0.1 to 0.5 percent of organic pigment; 1.5 to 5 percent of toughening agent and 1 to 3 percent of antioxidant. This resistant dirty antifriction plastics of self-lubricating is through adding radium carving powder, can carve out complete clear white character under radium carving machine, compares traditional silk screen printing technology, and laser engraving efficiency is higher, and is littleer to environmental pollution, and long-time back character that uses can not blacken, become dirty.
Preferably, the self-lubricating dirt-resistant and friction-resistant plastic further comprises the following raw materials in percentage by mass: 0.5 to 2 percent of carbon fiber; 0.1 to 2 percent of potassium titanate crystal whisker and 0.2 to 1.5 percent of spherical ceramic powder.
Preferably, the chemical general formula of the potassium titanate whisker is K2O.nTiO2Where n is 4 or 6, i.e., potassium tetratitanate whisker and potassium hexatitanate whisker, both of which have good wear resistance, lubricity and high electrical insulation. The potassium titanate whisker has a diameter of 0.6-1.0 micrometer and a length of 20-60 micrometers.
Preferably, the particle size of the glass beads is 5-10 microns. The glass beads have small influence on the viscosity and the flowability of the base resin, do not decompose at high temperature, and have small and uniform product molding shrinkage. The smaller the particle size of the glass beads is, the better the wear resistance of the prepared material is, the easier the transfer film is formed on the friction surface to achieve the purpose of reducing friction, wherein the glass beads with the particle size of 5-10 microns have the best friction reducing effect.
Preferably, the molecular weight of the ultra-high molecular weight polyethylene powder is 100-200 ten thousand, and the average particle size is 26-32 microns. The ultra-high molecular weight polyethylene micropowder with the average particle size of 26-32 microns has excellent dispersibility, can be used for producing materials with good mechanical and physical properties, and can improve lubricating property, wear resistance and impact resistance.
Preferably, the base resin is selected from one or more of ABS plastic, HIPS plastic, PS plastic, PMMA plastic, PC/ABS plastic alloy, PMMA/ABS plastic alloy, PA plastic, PBT plastic or POM plastic.
Preferably, the mass ratio of PC to ABS in the PC/ABS plastic alloy is 0.2-5: 1; the mass ratio of PMMA to ABS in the PMMA/ABS plastic alloy is 0.2-5: 1. the PC/ABS plastic alloy and the PMMA/ABS plastic alloy have the characteristics of high hardness, good dimensional stability, wear resistance and self lubrication.
Preferably, the molecular weight of the polytetrafluoroethylene powder is 4-15 ten thousand, and the average particle size is 5-15 micrometers. The polytetrafluoroethylene powder can obviously reduce the abrasion and friction of sliding parts.
Preferably, the spherical ceramic powder is selected from one or more of spherical silicon oxide powder, spherical aluminum oxide powder, spherical silicon carbide powder or spherical silicon nitride powder; the particle size is 0.1-1 micron. The addition of the spherical ceramic powder can greatly improve the wear-resisting and antifriction properties, and is suitable for plastics used under the working condition of repeated friction.
For a further understanding of the invention, reference will now be made to the preferred embodiments of the invention by way of example, and it is to be understood that the description is intended to further illustrate features and advantages of the invention, and not to limit the scope of the claims. In the following examples, the starting materials used were commercially available products.
Example 1
The self-lubricating, dirt-resistant and friction-resistant plastic comprises the following raw materials in percentage by mass: 67% of a base resin; 10% of ultra-high molecular weight polyethylene powder; 5% of glass beads; 0.75% of a coupling agent; 0.75% diffusion oil; 10% of polytetrafluoroethylene powder and 6.5% of foaming agent.
The potassium titanate whisker is potassium tetratitanate whisker. The particle size of the glass beads is 5 microns. The molecular weight of the ultra-high molecular weight polyethylene powder is 100 ten thousand, and the average particle size is 26 microns.
The base resin is PC/ABS plastic alloy, and the mass ratio of PC to ABS in the PC/ABS plastic alloy is 0.2: 1.
the molecular weight of the polytetrafluoroethylene powder is 4 ten thousand, and the average particle size is 5 micrometers.
The spherical ceramic powder is selected from spherical silicon oxide powder; the particle size was 0.1 micron.
The preparation method of the self-lubricating stain-resistant friction-resistant plastic comprises the following steps:
1) the raw materials with the proportion are put into a homogenizing tank and stirred uniformly; the raw materials comprise base resin, ultra-high molecular weight polyethylene powder, glass beads, a coupling agent, polytetrafluoroethylene powder and a foaming agent;
2) sequentially adding the diffusion oil with the proportion amount into a homogenizing tank, and uniformly stirring;
3) and adding the homogenized material into a feed inlet of a double-screw extruder, and performing grain pumping granulation by the extruder to obtain the self-lubricating dirt-resistant friction-resistant plastic.
Example 2
The present embodiment is different from embodiment 1 in that: the mass ratio of PC to ABS in the PC/ABS plastic alloy is 0.5: 1.
the rest of this embodiment is the same as embodiment 1, and the features not explained in this embodiment are explained by embodiment 1, which is not described again here.
Example 3
The present embodiment is different from embodiment 1 in that: the mass ratio of PC to ABS in the PC/ABS plastic alloy is 5: 1.
the rest of this embodiment is the same as embodiment 1, and the features not explained in this embodiment are explained by embodiment 1, which is not described again here.
Example 4
The present embodiment is different from embodiment 1 in that: the self-lubricating, dirt-resistant and friction-resistant plastic comprises the following raw materials in percentage by mass: 60% of a base resin; 15% of ultra-high molecular weight polyethylene powder; 3% of glass beads; 1% of a coupling agent; 1% diffusion oil; 10% of polytetrafluoroethylene powder; 6.5% of a foaming agent; 2% of laser etching powder; 0.5% of an organic pigment; 5% of a toughening agent; 3% of an antioxidant; 2% carbon fiber; 2% of potassium titanate whiskers and 1.5% of spherical ceramic powder.
The potassium titanate whisker is potassium hexatitanate whisker. The particle size of the glass beads is 8 microns. The molecular weight of the ultra-high molecular weight polyethylene powder is 150 ten thousand, and the average particle size is 29 microns. The base resin is PMMA/ABS plastic alloy, and the mass ratio of PMMA to ABS in the PMMA/ABS plastic alloy is 0.2: 1. the molecular weight of the polytetrafluoroethylene powder is 10 ten thousand, and the average particle size is 10 micrometers. The spherical ceramic powder is spherical alumina powder; the particle size was 0.5 microns.
The rest of this embodiment is the same as embodiment 1, and the features not explained in this embodiment are explained by embodiment 1, which is not described again here.
Example 5
This embodiment is different from embodiment 4 in that: the mass ratio of PMMA to ABS in the PMMA/ABS plastic alloy is 0.5: 1.
the rest of this embodiment is the same as embodiment 4, and the features not explained in this embodiment are explained by embodiment 4, which is not described again here.
Example 6
This embodiment is different from embodiment 4 in that: the mass ratio of PMMA to ABS in the PMMA/ABS plastic alloy is 5: 1.
the rest of this embodiment is the same as embodiment 4, and the features not explained in this embodiment are explained by embodiment 4, which is not described again here.
Example 7
The present embodiment is different from embodiment 1 in that: the self-lubricating, dirt-resistant and friction-resistant plastic comprises the following raw materials in percentage by mass: 80% of a base resin; 5% of ultra-high molecular weight polyethylene powder; 3% of glass beads; 0.5% of a coupling agent; 0.5% diffusion oil; 3.4% of polytetrafluoroethylene powder; 2% of a foaming agent; 0.5% of laser etching powder; 0.1% of an organic pigment; 5% of a toughening agent; 3% of an antioxidant; 2% carbon fiber; 2% of potassium titanate whiskers and 1% of spherical ceramic powder.
The particle size of the glass beads is 10 microns. The molecular weight of the ultra-high molecular weight polyethylene powder is 200 ten thousand, and the average particle size is 32 microns. The base resin is ABS plastic. The molecular weight of the polytetrafluoroethylene powder is 15 ten thousand, and the average particle size is 15 micrometers. The spherical ceramic powder is spherical silicon carbide powder.
The rest of this embodiment is the same as embodiment 1, and the features not explained in this embodiment are explained by embodiment 1, which is not described again here.
Example 8
The present embodiment is different from embodiment 1 in that: the self-lubricating, dirt-resistant and friction-resistant plastic comprises the following raw materials in percentage by mass: 60% of a base resin; 6% of ultra-high molecular weight polyethylene powder; 8% of glass beads; 0.6% of a coupling agent; 0.6% diffusion oil; 6.8 percent of polytetrafluoroethylene powder; 10% of a foaming agent; 1% of laser etching powder; 0.3% of an organic pigment; 3% of a toughening agent; 2% of an antioxidant; 1.4% carbon fiber; 0.1% potassium titanate whisker and 0.2% spherical ceramic powder.
The base resin is PC plastic. The spherical ceramic powder is spherical silicon nitride powder.
The rest of this embodiment is the same as embodiment 1, and the features not explained in this embodiment are explained by embodiment 1, which is not described again here.
Example 9
The self-lubricating, dirt-resistant and friction-resistant plastics prepared in examples 1 to 8 were molded into test pieces of 20 × 80mm in length and width by a molding machine, and the static friction coefficient and the dynamic friction coefficient thereof were measured by a DZMC-50N friction coefficient meter under the test conditions of a rectangular load of 200g and a traction speed of 500mm/min, and the results are explained in Table 1.
TABLE 1
| Examples | Coefficient of static friction | Coefficient of dynamic friction |
| 1 | 0.30 | 0.20 |
| 2 | 0.33 | 0.21 |
| 3 | 0.33 | 0.22 |
| 4 | 0.24 | 0.16 |
| 5 | 0.27 | 0.17 |
| 6 | 0.29 | 0.17 |
| 7 | 0.27 | 0.15 |
| 8 | 0.25 | 0.12 |
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The self-lubricating, dirt-resistant and friction-resistant plastic is characterized by comprising the following raw materials in percentage by mass:
60 to 80 percent of base resin;
5 to 15 percent of ultra-high molecular weight polyethylene powder;
3% -8% of glass beads;
0.5 to 1 percent of coupling agent;
0.5 to 1 percent of diffusion oil;
2 to 10 percent of polytetrafluoroethylene powder; and
2 to 10 percent of foaming agent.
2. The self-lubricating, dirt-resistant and friction-resistant plastic according to claim 1, further comprising the following raw materials in mass percent:
0.5-2% of laser etching powder;
0.1 to 0.5 percent of organic pigment;
1.5 to 5 percent of toughening agent; and
1-3% of antioxidant.
3. The self-lubricating, dirt-resistant and friction-resistant plastic according to claim 1, further comprising the following raw materials in mass percent:
0.5 to 2 percent of carbon fiber;
0.1 to 2 percent of potassium titanate crystal whisker; and
0.2 to 1.5 percent of spherical ceramic powder.
4. The self-lubricating, stain-resistant, and friction plastic of claim 3 wherein the potassium titanate whiskers have a chemical formula of K2O.nTiO2Wherein n is 4 or 6; the potassium titanate whisker has a diameter of 0.6-1.0 micrometer and a length of 20-60 micrometers.
5. The self-lubricating, stain-resistant and friction-resistant plastic according to any one of claims 1 to 3, wherein the glass beads have a particle size of 5 to 10 μm.
6. The self-lubricating, dirt-resistant and friction-resistant plastic as claimed in any one of claims 1 to 3, wherein the ultra-high molecular weight polyethylene powder has a molecular weight of 100 to 200 ten thousand and an average particle size of 26 to 32 μm.
7. The self-lubricating, dirt-resistant and friction-resistant plastic as claimed in any one of claims 1 to 3, wherein the base resin is selected from one or more of ABS plastic, HIPS plastic, PS plastic, PMMA plastic, PC/ABS plastic alloy, PMMA/ABS plastic alloy, PA plastic, PBT plastic or POM plastic.
8. The self-lubricating stain-resistant friction-resistant plastic according to claim 7, wherein the mass ratio of PC to ABS in the PC/ABS plastic alloy is 0.2-5: 1; the mass ratio of PMMA to ABS in the PMMA/ABS plastic alloy is 0.2-5: 1.
9. the self-lubricating, dirt-resistant and friction-resistant plastic according to any one of claims 1 to 3, wherein the polytetrafluoroethylene powder has a molecular weight of 4 to 15 ten thousand and an average particle size of 5 to 15 μm.
10. The self-lubricating, stain-resistant and friction-resistant plastic according to any one of claims 1 to 3, wherein the spherical ceramic powder is selected from one or more of spherical silica powder, spherical alumina powder, spherical silicon carbide powder and spherical silicon nitride powder; the particle size is 0.1-1 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010219304.2A CN111320835A (en) | 2020-03-25 | 2020-03-25 | Self-lubricating, dirt-resistant and friction-resistant plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010219304.2A CN111320835A (en) | 2020-03-25 | 2020-03-25 | Self-lubricating, dirt-resistant and friction-resistant plastic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111320835A true CN111320835A (en) | 2020-06-23 |
Family
ID=71165907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010219304.2A Pending CN111320835A (en) | 2020-03-25 | 2020-03-25 | Self-lubricating, dirt-resistant and friction-resistant plastic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111320835A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022036954A1 (en) * | 2020-08-17 | 2022-02-24 | 金发科技股份有限公司 | Antiviral automobile entertainment panel pc/abs alloy material and preparation method therefor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1609141A (en) * | 2003-11-21 | 2005-04-27 | 赖剑英 | ABS engineering plastic alloy with high self-lubricating property and high wear resistance and its prepn process |
| US20080146730A1 (en) * | 2003-07-28 | 2008-06-19 | Degussa Ag | Polymer Dispersion Comprising Silicon Compounds |
| CN101712792A (en) * | 2008-10-07 | 2010-05-26 | 金发科技股份有限公司 | Fire and heat resisting self-lubricating polycarbonate composite with nice appearance and preparation method thereof |
| CN102617806A (en) * | 2012-03-29 | 2012-08-01 | 漯河职业技术学院 | Preparing method for laser etching acrylonitrile butadiene styrene (ABS) |
| CN109096725A (en) * | 2018-07-17 | 2018-12-28 | 江苏兆维塑料科技有限公司 | A kind of lightweight PC/ABS loss of weight composite material and preparation method |
-
2020
- 2020-03-25 CN CN202010219304.2A patent/CN111320835A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080146730A1 (en) * | 2003-07-28 | 2008-06-19 | Degussa Ag | Polymer Dispersion Comprising Silicon Compounds |
| CN1609141A (en) * | 2003-11-21 | 2005-04-27 | 赖剑英 | ABS engineering plastic alloy with high self-lubricating property and high wear resistance and its prepn process |
| CN101712792A (en) * | 2008-10-07 | 2010-05-26 | 金发科技股份有限公司 | Fire and heat resisting self-lubricating polycarbonate composite with nice appearance and preparation method thereof |
| CN102617806A (en) * | 2012-03-29 | 2012-08-01 | 漯河职业技术学院 | Preparing method for laser etching acrylonitrile butadiene styrene (ABS) |
| CN109096725A (en) * | 2018-07-17 | 2018-12-28 | 江苏兆维塑料科技有限公司 | A kind of lightweight PC/ABS loss of weight composite material and preparation method |
Non-Patent Citations (3)
| Title |
|---|
| 唐银花等: "汽车用PA6/ABS共混体系材料抗刮擦性能研究", 《汽车工艺与材料》 * |
| 王文广主编: "《聚合物改性原理》", 31 March 2018, 中国轻工业出版社 * |
| 许家友等: "高光ABS/PMMA的耐磨性", 《塑料》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022036954A1 (en) * | 2020-08-17 | 2022-02-24 | 金发科技股份有限公司 | Antiviral automobile entertainment panel pc/abs alloy material and preparation method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3617141B1 (en) | Paper ball-like graphene microsphere, composite material thereof, and preparation method therefor | |
| CN102165003B (en) | Electrically conductive polyethylene resin composition, electrically conductive polyethylene resin molding, sliding bearing and sliding sheet | |
| CN101724222B (en) | High wear-resistence self-lubricating polyformaldehyde compound and preparation method thereof | |
| US4563495A (en) | Resinous composition for sliding members | |
| CN109593306B (en) | PTFE material for glass fiber coating and bundling device and preparation method | |
| CN111320835A (en) | Self-lubricating, dirt-resistant and friction-resistant plastic | |
| CN111040440A (en) | Low-density high-wear-resistance nylon composite material and preparation method and application thereof | |
| CN113861805A (en) | High-temperature wear-resistant heavy-duty anticorrosive powder coating and preparation method and coating method thereof | |
| Ning et al. | Study on mechanical and tribological properties of ternary fluororubber filled with four needles of zinc oxide | |
| Yan et al. | Surface wettability, tensile mechanical performance, and tribological behavior of polyimide/polytetrafluoroethylene blends enhanced with hydroxylated multiwalled carbon nanotubes at high relative humidity | |
| CN110964322A (en) | Polyphenylene sulfide composite material and preparation method and application thereof | |
| CN1262620C (en) | Stuffing perfluoroethylene material for oil sealing element and process for preparing the same | |
| CN108912936A (en) | A kind of modified polyether ether ketone water based paint and preparation method thereof | |
| CN115975318B (en) | Low-abrasion self-lubricating material and preparation method thereof | |
| CN115260676B (en) | Polytetrafluoroethylene-based composite material, preparation method thereof and application of polytetrafluoroethylene-based composite material as high-speed sealing material | |
| CN108384186B (en) | Polyether-ether-ketone composite material for bearing and preparation method thereof | |
| CN109796755B (en) | Surface fatigue wear resistant thermoplastic polyamide composite material and preparation method thereof | |
| KR100636939B1 (en) | Polyether aromatic ketone resin composition and its film and sheet | |
| CN113024993A (en) | Polyether-ether-ketone composite material and preparation method and application thereof | |
| CN111909511A (en) | High-wear-resistance heat-conducting nylon composite material and preparation method thereof | |
| JP2002129005A (en) | Polyether aromatic ketone resin composition, film and sheet | |
| CN104672610A (en) | Wearable polypropylene material for air purification equipment and preparation method of wearable polypropylene material | |
| CN111234527A (en) | Wear-resistant polyetherimide composite material and preparation method thereof | |
| CN114656776A (en) | Wear-resistant high-strength nylon and preparation method thereof | |
| CN114479345B (en) | Sealing material for fireproof plate hot press and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200623 |
|
| RJ01 | Rejection of invention patent application after publication |