CN105462160A - Wear-resistant polyoxymethylene material - Google Patents
Wear-resistant polyoxymethylene material Download PDFInfo
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- CN105462160A CN105462160A CN201410449508.XA CN201410449508A CN105462160A CN 105462160 A CN105462160 A CN 105462160A CN 201410449508 A CN201410449508 A CN 201410449508A CN 105462160 A CN105462160 A CN 105462160A
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- pom
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Abstract
The object of the invention is to provide a modified polyoxymethylene material, of which the wear resistance is improved, and a preparation method therefor. Polyoxymethylene (POM) is a kind of engineering plastics with excellent properties and is named 'DURACON' and 'supersteel' abroad. POM has hardness, strength and stiffness, which are similar to those of metal, has very good self-lubrication and good fatigue resistance in a very extensive temperature and humidity range and has been extensively applied to the fields of electronic appliances, machinery, instruments, light industry of daily service, automobiles, building materials, agriculture and the like since advent; and along with social development, the requirements on the material are increasingly high, and to require POM materials with higher strength is essential. According to the wear-resistant POM material provided by the invention, the mechanical properties can reach use standards, and the wear resistance of the POM material can be greatly improved, so that the safety performance is improved when the POM material is in use.
Description
Technical field
The invention belongs to polyformaldehyde material production technical field, is that one improves the original deficiency of polyoxymethylene, modified polyformaldehyde material making it have good abrasion resistance and preparation method thereof specifically.
Background technology
Polyoxymethylene, English name: polyoxymethylene, abbreviation title POM.Its chemical formula is: CH2O.
Polyoxymethylene (pom) is a kind of engineering plastics of excellent property, has the title of " taking steel by force ", " supersteel " abroad.Pom has the hardness of metalloid, intensity and rigidity and have the good resistance to fatigue of good self lubricity within the scope of very broad temperature and humidity, the field such as POM widespread use and electronic apparatus, machinery, instrument, daily light industry, automobile, building materials, agricultural since appearance, along with the development of society, also more and more higher to the requirement of material, the higher-quality polyformaldehyde material of demand, is absolutely necessary.
Summary of the invention
The object of this invention is to provide and a kind ofly improve modified polyformaldehyde material of polyformaldehyde material wear resistance and preparation method thereof.
Wear resistance polyformaldehyde material is made up of following weight ratio raw material:
Polyoxymethylene raw material: 80 ~ 120
Ultra-fine tetrafluoroethylene: 15 ~ 25
Silicone oil: 4.0 ~ 6.0
Dispersed lubricant: 1.0 ~ 2.0
Oxidation inhibitor: 1.0 ~ 3.0
Ultra-fine tetrafluoroethylene of the present invention is below 1000 orders; Dispersed lubricant is TAS-2A; Oxidation inhibitor is the multipolymer of ethylene-octene.
The preparation method of this wear resistance polyformaldehyde material, comprises the following steps: first above-mentioned various raw material to be dry mixed 3-5 minute in super mixer, then be placed in twin screw extruder through melt extruding, cooling, pelletizing, packaging final prod; Wherein, twin screw extruder one district temperature is 90-100 DEG C, and 2nd district are 150-180 DEG C, and 3rd district are 200-210 DEG C, and 4th district are 200-205 DEG C; 5th district are 190-200 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
The mechanical property of gained wear resistance polyformaldehyde material of the present invention can reach use standard, and greatly can improve the wear resisting property of polyformaldehyde material, makes polyformaldehyde material improve safety performance in use.
Embodiment
Below by embodiment, the present invention is described further, and following examples are only that the present invention will be described but not are limited it.
Embodiment 1:
(1) by weight score to take each raw material respectively as follows:
Polyoxymethylene raw material: 100
Ultra-fine tetrafluoroethylene (below 1000 orders): 20.0
Silicone oil: 5.0
Dispersed lubricant (TAS-2A): 1.5
Oxidation inhibitor (multipolymer of ethylene-octene): 2.0
(2) first above-mentioned various raw material is dry mixed 3-5 minute in super mixer, then be placed in twin screw extruder through melt extruding, cooling, pelletizing, packaging final prod; Wherein, twin screw extruder one district temperature is 90-100 DEG C, and 2nd district are 150-180 DEG C, and 3rd district are 200-210 DEG C, and 4th district are 200-205 DEG C; 5th district are 190-200 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Experimental result:
Above-mentioned experimental result shows, the wear resisting property of wear resistance polyformaldehyde material obtains very significantly improving, and all the other mechanical properties also get a promotion and improve.
Embodiment 2:
(1) by weight score to take each raw material respectively as follows:
Polyoxymethylene raw material: 80
Ultra-fine tetrafluoroethylene (below 1000 orders): 15
Silicone oil: 4.0
Dispersed lubricant (TAS-2A): 1.0
Oxidation inhibitor (multipolymer of ethylene-octene): 1.0
(2) first above-mentioned various raw material is dry mixed 3-5 minute in super mixer, then be placed in twin screw extruder through melt extruding, cooling, pelletizing, packaging final prod; Wherein, twin screw extruder one district temperature is 90-100 DEG C, and 2nd district are 150-180 DEG C, and 3rd district are 200-210 DEG C, and 4th district are 200-205 DEG C; 5th district are 190-200 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Experimental result:
Above-mentioned test result shows, the wear resisting property of polyformaldehyde material is significantly improved and improves.
Embodiment 3:
(1) by weight score to take each raw material respectively as follows:
Polyoxymethylene raw material: 120
Ultra-fine tetrafluoroethylene (below 1000 orders): 25
Silicone oil: 6.0
Dispersed lubricant (TAS-2A): 2.0
Oxidation inhibitor (multipolymer of ethylene-octene): 3.0
(2) first above-mentioned various raw material is dry mixed 3-5 minute in super mixer, then be placed in twin screw extruder through melt extruding, cooling, pelletizing, packaging final prod; Wherein, twin screw extruder one district temperature is 90-100 DEG C, and 2nd district are 150-180 DEG C, and 3rd district are 200-210 DEG C, and 4th district are 200-205 DEG C; 5th district are 190-200 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Experimental result:
Above-mentioned experimental result shows, the wear resisting property of polyformaldehyde material obtains comparatively significantly improving.
Above-described embodiment is of the present invention illustrating, is not used for limiting the present invention.Shown by above-mentioned experiment, wherein embodiment 1 is optimum weight percent, and the tensile strength of the wear resistance polyformaldehyde material manufactured by present method, elongation at break, the performance such as flexural strength and modulus in flexure obtain obvious improvement.
Wear resistance polyformaldehyde material of the present invention, can overcome the deficiency that polyoxymethylene is unborn, and for application and the further genralrlization of polyformaldehyde material, tool is of great significance.Also the safety coefficient in use such as electronic apparatus, machinery, instrument, daily light industry, automobile, building materials is made to be improved.
Claims (4)
1. wear resistance polyformaldehyde material, is characterized in that: be made up of following weight ratio raw material,
Polyoxymethylene raw material: 80 ~ 120
Ultra-fine tetrafluoroethylene: 15 ~ 25
Silicone oil: 4.0 ~ 6.0
Dispersed lubricant: 1.0 ~ 2.0
Oxidation inhibitor: 1.0 ~ 3.0.
2. wear resistance polyformaldehyde material according to claim 1, is characterized in that: optimum weight percent raw material consists of:
Polyoxymethylene raw material: 100
Ultra-fine tetrafluoroethylene: 20.0
Silicone oil: 5.0
Dispersed lubricant: 1.5
Oxidation inhibitor: 2.0.
3. wear resistance polyformaldehyde material according to claim 1, is characterized in that: ultra-fine tetrafluoroethylene of the present invention is below 1000 orders; Dispersed lubricant is TAS-2A; Oxidation inhibitor is the multipolymer of ethylene-octene.
4. wear resistance polyformaldehyde material according to claim 1, it is characterized in that: preparation method is, first above-mentioned various raw material is dry mixed 3-5 minute in super mixer, then be placed in twin screw extruder through melt extruding, cooling, pelletizing, packaging final prod; Wherein, twin screw extruder one district temperature is 90-100 DEG C, and 2nd district are 150-180 DEG C, and 3rd district are 200-210 DEG C, and 4th district are 200-205 DEG C; 5th district are 190-200 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410449508.XA CN105462160A (en) | 2014-09-05 | 2014-09-05 | Wear-resistant polyoxymethylene material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410449508.XA CN105462160A (en) | 2014-09-05 | 2014-09-05 | Wear-resistant polyoxymethylene material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105462160A true CN105462160A (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410449508.XA Pending CN105462160A (en) | 2014-09-05 | 2014-09-05 | Wear-resistant polyoxymethylene material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107629395A (en) * | 2016-07-18 | 2018-01-26 | 昆山台益塑胶科技有限公司 | A kind of POM and PTFE copolymers and preparation method thereof |
| CN110862647A (en) * | 2019-10-23 | 2020-03-06 | 高邮市恒辉机械有限公司 | MC nylon anti-skid block for power head of rotary drilling rig |
-
2014
- 2014-09-05 CN CN201410449508.XA patent/CN105462160A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107629395A (en) * | 2016-07-18 | 2018-01-26 | 昆山台益塑胶科技有限公司 | A kind of POM and PTFE copolymers and preparation method thereof |
| CN110862647A (en) * | 2019-10-23 | 2020-03-06 | 高邮市恒辉机械有限公司 | MC nylon anti-skid block for power head of rotary drilling rig |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160406 |
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| WD01 | Invention patent application deemed withdrawn after publication |