CN105462209A - Wear-resistant polycarbonate material - Google Patents
Wear-resistant polycarbonate material Download PDFInfo
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- CN105462209A CN105462209A CN201410449433.5A CN201410449433A CN105462209A CN 105462209 A CN105462209 A CN 105462209A CN 201410449433 A CN201410449433 A CN 201410449433A CN 105462209 A CN105462209 A CN 105462209A
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- polycarbonate material
- wear
- polycarbonate
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Abstract
The invention aims to provide a modified polycarbonate material which improves the wear resistance of polycarbonate materials and a preparation method for the modified polycarbonate material. The polycarbonate is a thermoplastic resin with strong toughness and is the second engineering plastic, the output of which ranks only second to polyamide. The polycarbonate material is weak acid-resistant, weak alkali-resistant, neutral oil-resistant, heat-resistant and impact-resistant, and has a good mechanical property at a common using temperature. The polycarbonate material is widely applied to the field of automobiles, electronics, electrical equipment, buildings, office equipment, packaging and the like. With rapid development of the society, the requirements on properties of various materials are enhanced, so that a higher demand is put forward in the aspects such as the wear resistance of the polycarbonate material. According to the invention, the wear resistance of the polycarbonate material can be obviously improved, so that the safety performance of the polycarbonate material in use is improved.
Description
Technical field
The invention belongs to polycarbonate material production technical field, is that one improves the original deficiency of polycarbonate specifically, modified polycarbonate material making it have wear resisting property and preparation method thereof.
Background technology
Polycarbonate, English name: Polycarbonate, abbreviation title PC.Structural formula is as follows:
Polycarbonate (Polycarbonate) conventional abbreviation PC, being a kind of tough thermoplastic resin, is the second largest engineering plastics polycarbonate weak acid resistant that output is only second to polymeric amide now, resistance to weak base, resistance to neutral oil.Heat-resisting, shock resistance, has good mechanical property in common use temperature.Be widely used in the fields such as automobile, electronics, electrical equipment, building, office equipment, packaging.Because of the fast development of society, to the raising of various material performance requirement, therefore had higher requirement in the aspects such as the wear resistance of polycarbonate.
Summary of the invention
The object of this invention is to provide a kind of modified polycarbonate material improving polycarbonate material wear resistance and preparation method thereof.
Wear-resistant polycarbonate material is made up of following weight ratio raw material:
Polycarbonate starting material: 83.0 ~ 103
Silicone oil: 3.0 ~ 7.0
Oxidation inhibitor: 0.8 ~ 1.2
Dispersed lubricant: 0.8 ~ 1.2
Oxidation inhibitor of the present invention is the multipolymer of ethylene-octene; Dispersion agent is TAS-2A.
The preparation method of this wear resistance polypropylene material, comprises the following steps: first above-mentioned various raw material to be dry mixed 7-8 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 120-130 DEG C, and 2nd district are 170-180 DEG C, and 3rd district are 230-240 DEG C, and 4th district are 240-250 DEG C; 5th district are 210-220 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
The mechanical property of gained Polycarbonate wear-resistant material of the present invention can reach use standard, and greatly can improve the wear resisting property of polycarbonate material, makes polycarbonate 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:
Polycarbonate starting material: 93.0
Silicone oil: 5.0
Oxidation inhibitor (multipolymer of ethylene-octene): 1.0
Dispersed lubricant (TAS-2A): 1.0
(2) first above-mentioned various raw material is dry mixed 7-8 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 120-130 DEG C, and 2nd district are 170-180 DEG C, and 3rd district are 230-240 DEG C, and 4th district are 240-250 DEG C; 5th district are 210-220 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Experimental result:
| Characteristic parameter | Testing standard | Performance index | Test data |
| 1 tensile strength MPa | ASTM/D638 | / | 62.0 |
| 2 elongation at break % | ASTM/D638 | / | 6.5 |
| 3 flexural strength MPa | ASTM/D790 | / | 86.0 |
| 4 modulus in flexure MPa | ASTM/D790 | / | 3500.0 |
| 5 Izod notched impact strength J/m | ASTM/D256 | / | 650.0 |
Above-mentioned experimental result shows, the wear resisting property of Polycarbonate wear-resistant 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:
Polycarbonate starting material: 83.0
Silicone oil: 3.0
Oxidation inhibitor (multipolymer of ethylene-octene): 0.8
Dispersed lubricant (TAS-2A): 0.8
(2) first above-mentioned various raw material is dry mixed 7-8 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 120-130 DEG C, and 2nd district are 170-180 DEG C, and 3rd district are 230-240 DEG C, and 4th district are 240-250 DEG C; 5th district are 210-220 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Experimental result:
| Characteristic parameter | Testing standard | Performance index | Test data |
| 1 tensile strength MPa | ASTM/D638 | / | 59.0 |
| 2 elongation at break % | ASTM/D638 | / | 6.8 |
| 3 flexural strength MPa | ASTM/D790 | / | 82.6 |
| 4 modulus in flexure MPa | ASTM/D790 | / | 3456.0 |
| 5 Izod notched impact strength J/m | ASTM/D256 | / | 642.0 |
Above-mentioned test result shows, the wear resisting property of polycarbonate material is significantly improved and improves.
Embodiment 3:
(1) by weight score to take each raw material respectively as follows:
Polycarbonate starting material: 103
Silicone oil: 7.0
Oxidation inhibitor (multipolymer of ethylene-octene): 1.2
Dispersed lubricant (TAS-2A): 1.2
(2) first above-mentioned various raw material is dry mixed 7-8 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 120-130 DEG C, and 2nd district are 170-180 DEG C, and 3rd district are 230-240 DEG C, and 4th district are 240-250 DEG C; 5th district are 210-220 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Experimental result:
| Characteristic parameter | Testing standard | Performance index | Test data |
| 1 tensile strength MPa | ASTM/D638 | / | 58.8 |
| 2 elongation at break % | ASTM/D638 | / | 6.7 |
| 3 flexural strength MPa | ASTM/D790 | / | 84.2 |
| 4 modulus in flexure MPa | ASTM/D790 | / | 3466.0 |
| 5 Izod notched impact strength J/m | ASTM/D256 | / | 647.3 |
Above-mentioned experimental result shows, the wear resisting property of polycarbonate 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-resistant polycarbonate material manufactured by present method, elongation at break, the performance such as flexural strength and modulus in flexure obtain obvious improvement.
Wear-resistant polycarbonate material of the present invention, can overcome the unborn deficiency of polycarbonate, and for application and the further genralrlization of polypropylene material, tool is of great significance.Also electrical equipment, automobile, office equipment safety coefficient is in use made to be improved.
Claims (5)
1. Wear-resistant polycarbonate material, is characterized in that: be made up of following weight ratio raw material,
Polycarbonate starting material: 83.0 ~ 103
Silicone oil: 3.0 ~ 7.0
Oxidation inhibitor: 0.8 ~ 1.2
Dispersed lubricant: 0.8 ~ 1.2.
2. Wear-resistant polycarbonate material according to claim 1, is characterized in that: optimum weight percent raw material consists of:
Polycarbonate starting material: 93.0
Silicone oil: 5.0
Oxidation inhibitor: 1.0
Dispersed lubricant: 1.0.
3. Wear-resistant polycarbonate material according to claim 1, is characterized in that: oxidation inhibitor is the multipolymer of ethylene-octene; Dispersion agent is TAS-2A.
4. Wear-resistant polycarbonate material according to claim 1, it is characterized in that: preparation method is, first above-mentioned various raw material is dry mixed 7-8 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 120-130 DEG C, and 2nd district are 170-180 DEG C, and 3rd district are 230-240 DEG C, and 4th district are 240-250 DEG C; 5th district are 210-220 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
5. Wear-resistant polycarbonate material according to claim 1, it is characterized in that: its mechanical property of wear-resistant polycarbonate material of the present invention can reach use standard, and greatly can improve the wear resisting property of polycarbonate material, make polycarbonate material improve safety performance in use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410449433.5A CN105462209A (en) | 2014-09-05 | 2014-09-05 | Wear-resistant polycarbonate material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410449433.5A CN105462209A (en) | 2014-09-05 | 2014-09-05 | Wear-resistant polycarbonate material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105462209A true CN105462209A (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410449433.5A Pending CN105462209A (en) | 2014-09-05 | 2014-09-05 | Wear-resistant polycarbonate material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105462209A (en) |
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2014
- 2014-09-05 CN CN201410449433.5A patent/CN105462209A/en active Pending
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Application publication date: 20160406 |