CN105462248A - Wear-resistant polyamide (PA66) material - Google Patents
Wear-resistant polyamide (PA66) material Download PDFInfo
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- CN105462248A CN105462248A CN201410449434.XA CN201410449434A CN105462248A CN 105462248 A CN105462248 A CN 105462248A CN 201410449434 A CN201410449434 A CN 201410449434A CN 105462248 A CN105462248 A CN 105462248A
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Abstract
The invention aims to provide a modified polyamide material which improves the wear resistance of a polyamide material and a preparation method for the modified polyamide material. Polyamide nylon (PA66) is an excellent engineering plastic and has the advantages of being relatively high in strength and excellent in heat resistance, corrosion resistance, wear resistance, processing fluidity and the like. The PA66 is widely applied in the fields of automobiles, electronics, electric equipment, mechanical parts, communication apparatuses and the like, and as a structure material, a higher demand on strength, wear resistance and the like of the PA66 is put forward in applications in textile equipment. According to the invention, the wear resistance of the polyamide material can be obviously improved, and the modified polyamide material is of quite important significance in application and further popularization of the polyamide material, so that the safety coefficient of the automobiles, electrical equipment, communication apparatuses in use is improved.
Description
Technical field
The invention belongs to polyamide material production technical field, is that one improves the original deficiency of polymeric amide specifically, modified polyamide material making it have wear resisting property and preparation method thereof.
Background technology
Polymeric amide (nylon), English name: Polyamide66, abbreviation title PA66.Its chemical formula is: [-NH (CH
2)
6-NHCO (CH
2)
4cO] n.
Polyamide nylon (PA66) is a kind of excellent engineering plastics, has the advantage such as higher intensity and excellent thermotolerance, erosion resistance, wear resistance and processing fluidity.Be widely applied in automobile, electronics, electric installation, mechanical part, transportation equipment etc., and PA66 has higher requirement in its intensity, wear resistance etc. as the application of structured material on textile equipment.
Summary of the invention
The object of this invention is to provide a kind of modified polyamide material improving polyamide material wear resistance and preparation method thereof.
Wear resistance polypropylene material is made up of following weight ratio raw material:
Nylon PA66 raw material: 75 ~ 95
Nano-aluminium oxide (10.4nm): 2.0 ~ 4.0
Alkali free glass fibre: 3.0 ~ 7.0
Glass compatilizer: 0.8 ~ 1.2
Oxidation inhibitor: 1.5 ~ 2.5
Dispersed lubricant: 1.5 ~ 2.5
Dispersion agent of the present invention is TAS-2A; Oxidation inhibitor is the multipolymer of ethylene-octene.
The preparation method of this wear resistance polyamide material, comprises the following steps: first above-mentioned various raw material to be dry mixed 10-12 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 160-180 DEG C, and 2nd district are 230-250 DEG C, and 3rd district are 255-275 DEG C, and 4th district are 250-270 DEG C; 5th district are 230-250 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
The mechanical property of gained polyamide abrasion-proof material of the present invention can reach use standard, and greatly can improve the wear resisting property of polyamide material, makes polyamide 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:
Nylon PA66 raw material: 85
Nano-aluminium oxide (10.4nm): 3.0
Alkali free glass fibre: 5.0
Glass compatilizer: 1.0
Oxidation inhibitor (multipolymer of ethylene-octene): 2.0
Dispersed lubricant (TAS-2A): 2.0
(2) first above-mentioned various raw material is dry mixed 10-12 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 160-180 DEG C, and 2nd district are 230-250 DEG C, and 3rd district are 255-275 DEG C, and 4th district are 250-270 DEG C; 5th district are 230-250 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Experimental result:
| Characteristic parameter | Testing standard | Performance index | PA66 raw material |
| 1 tensile strength MPa | ASTM/D638 | / | 95 |
| 2 elongation at break % | ASTM/D638 | / | 6.7 |
| 3 flexural strength MPa | ASTM/D790 | / | 105.8 |
| 4 modulus in flexure MPa | ASTM/D790 | / | 4500.0 |
| 5IZOD notched Izod impact strength J/m | ASTM/D256 | / | 115 |
Above-mentioned experimental result shows, the wear resisting property of polyamide abrasion-proof 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:
Nylon PA66 raw material: 75
Nano-aluminium oxide (10.4nm): 2.0
Alkali free glass fibre: 3.0
Glass compatilizer: 0.8
Oxidation inhibitor (multipolymer of ethylene-octene): 1.5
Dispersed lubricant (TAS-2A): 1.5
(2) first above-mentioned various raw material is dry mixed 10-12 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 160-180 DEG C, and 2nd district are 230-250 DEG C, and 3rd district are 255-275 DEG C, and 4th district are 250-270 DEG C; 5th district are 230-250 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Experimental result:
| Characteristic parameter | Testing standard | Performance index | PA66 raw material |
| 1 tensile strength MPa | ASTM/D638 | / | 93.2 |
| 2 elongation at break % | ASTM/D638 | / | 6.4 |
| 3 flexural strength MPa | ASTM/D790 | / | 102.8 |
| 4 modulus in flexure MPa | ASTM/D790 | / | 4761.0 |
| 5IZOD notched Izod impact strength J/m | ASTM/D256 | / | 108 |
Above-mentioned test result shows, the wear resisting property of polyamide material is significantly improved and improves.
Embodiment 3:
(1) by weight score to take each raw material respectively as follows:
Nylon PA66 raw material: 95
Nano-aluminium oxide (10.4nm): 4.0
Alkali free glass fibre: 7.0
Glass compatilizer: 1.2
Oxidation inhibitor (multipolymer of ethylene-octene): 2.5
Dispersed lubricant (TAS-2A): 2.5
(2) first above-mentioned various raw material is dry mixed 10-12 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 160-180 DEG C, and 2nd district are 230-250 DEG C, and 3rd district are 255-275 DEG C, and 4th district are 250-270 DEG C; 5th district are 230-250 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Experimental result:
| Characteristic parameter | Testing standard | Performance index | PA66 raw material |
| 1 tensile strength MPa | ASTM/D638 | / | 89 |
| 2 elongation at break % | ASTM/D638 | / | 6.3 |
| 3 flexural strength MPa | ASTM/D790 | / | 103.8 |
| 4 modulus in flexure MPa | ASTM/D790 | / | 4470.0 |
| 5IZOD notched Izod impact strength J/m | ASTM/D256 | / | 104 |
Above-mentioned experimental result shows, the wear resisting property of polyamide material obtains comparatively significantly improving, but relative to the proportioning of embodiment 1 and embodiment 2, all the other mechanical properties exist certain gap.
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 high-retardant polyamide material manufactured by present method, elongation at break, the performance such as flexural strength and modulus in flexure obtain obvious improvement.
Wear resistance polyamide material of the present invention, for application and the further genralrlization of polyamide material, tool is of great significance.Also make in the proud raising of safety coefficient in use such as automobile, electrical equipment, transportation equipment.
Claims (4)
1. wear resistance polyamide material, is characterized in that: be made up of following weight ratio raw material,
Nylon PA66 raw material: 75 ~ 95
Nano-aluminium oxide (10.4nm): 2.0 ~ 4.0
Alkali free glass fibre: 3.0 ~ 7.0
Glass compatilizer: 0.8 ~ 1.2
Oxidation inhibitor: 1.5 ~ 2.5
Dispersed lubricant: 1.5 ~ 2.5.
2. wear resistance polyamide material according to claim 1, is characterized in that: optimum weight percent raw material consists of:
Nylon PA66 raw material: 85
Nano-aluminium oxide (10.4nm): 3.0
Alkali free glass fibre: 5.0
Glass compatilizer: 1.0
Oxidation inhibitor: 2.0
Dispersed lubricant: 2.0.
3. wear resistance polyamide material according to claim 1, is characterized in that: dispersion agent of the present invention is TAS-2A; Oxidation inhibitor is the multipolymer of ethylene-octene.
4. wear resistance polyamide material according to claim 1, is characterized in that: first above-mentioned various raw material is dry mixed 10-12 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 160-180 DEG C, and 2nd district are 230-250 DEG C, and 3rd district are 255-275 DEG C, and 4th district are 250-270 DEG C; 5th district are 230-250 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 |
|---|---|---|---|
| CN201410449434.XA CN105462248A (en) | 2014-09-05 | 2014-09-05 | Wear-resistant polyamide (PA66) material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410449434.XA CN105462248A (en) | 2014-09-05 | 2014-09-05 | Wear-resistant polyamide (PA66) material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105462248A true CN105462248A (en) | 2016-04-06 |
Family
ID=55600432
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410449434.XA Pending CN105462248A (en) | 2014-09-05 | 2014-09-05 | Wear-resistant polyamide (PA66) material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106633851A (en) * | 2016-11-24 | 2017-05-10 | 浙江长盛塑料轴承技术有限公司 | Plastic sliding bearing wear-resistant material and preparation method thereof |
| CN109852052A (en) * | 2019-02-20 | 2019-06-07 | 广东龙道新材料有限公司 | Thermo oxidative aging nylon new material |
-
2014
- 2014-09-05 CN CN201410449434.XA patent/CN105462248A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106633851A (en) * | 2016-11-24 | 2017-05-10 | 浙江长盛塑料轴承技术有限公司 | Plastic sliding bearing wear-resistant material and preparation method thereof |
| CN106633851B (en) * | 2016-11-24 | 2019-03-01 | 浙江长盛塑料轴承技术有限公司 | Plastic sliding bearing wear-resistant material and preparation method thereof |
| CN109852052A (en) * | 2019-02-20 | 2019-06-07 | 广东龙道新材料有限公司 | Thermo oxidative aging nylon new material |
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Application publication date: 20160406 |
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