CN101429335A - Abrasion-proof modified material manufacturing method and uses thereof - Google Patents
Abrasion-proof modified material manufacturing method and uses thereof Download PDFInfo
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- CN101429335A CN101429335A CNA2008102276006A CN200810227600A CN101429335A CN 101429335 A CN101429335 A CN 101429335A CN A2008102276006 A CNA2008102276006 A CN A2008102276006A CN 200810227600 A CN200810227600 A CN 200810227600A CN 101429335 A CN101429335 A CN 101429335A
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Abstract
The invention relates to a wearproof modified material. The wearproof modified material comprises the following compositions in weight percentage: 99.2 to 93.8 percent of polyamide 6, 0.7 to 3.5 percent of modified lube, 0.02 to 2.2 percent of alkali lead sulfite, 0.01 to 0.5 percent of antioxidant 1010, 0.02 to 0.3 percent of antioxidant CA, 0.03 to 0.2 percent of chrome titanate coupling agent NDZ-101 and 0.02 to 0.5 percent of silane coupling agent KH570. The manufacturing method comprises the following steps: firstly, polyamide PA6 resin is thrown into a smelt blending kettle; the kettle is heated through an inductance coil; after PA6 is melted, according to proportion, the modified lube evenly stirred, the chrome titanate coupling agent NDZ-101, the silane coupling agent KH570, the antioxidant 1010 and the antioxidant CA are added into the kettle, are stirred, are kept warm and are conducted with high-pressure gas in order that a material in the kettle is extruded out from a discharge hole and enters a water tank to be cooled; and finally, the material is cut through the traction of a pelletizer to prepare a granular material. The material can be molded into a section material through a mould and in particular can be manufactured into a slide block for mechanical equipment, and has low cost, wearing resistance, small friction coefficient, good self-lubricating performance and good mechanical performance; and the service life of the manufactured slide block can be improved by 5 to 30 times than that of a slide block manufactured from PA6 or cast iron.
Description
Technical field
The present invention relates to a kind of abrasion-proof modified material and preparation method thereof.
Background technology
Slide block is reciprocating parts in guide rail, general normal employing cast iron materials is made slider part in more existing mechanical means, the material of slideway is a cast steel, this type of slide block in the course of the work, be very easy to be worn, need often to change, the use slide block of some business equipment is approximately five days (120 hours) mean life.It is reported enterprise in order to reduce slider wear, improve work-ing life, require per tour workman to be on duty and come off duty all will give between slide block and the guide rail to add lubricating oil.Though part increases work-ing life, make machinery equipment very dirty.Because this slide block is stressed bigger, slide block movement speed is very fast, and slide block roughly will be changed in five days, changes slide block and will shut down dismounting, and production is had very big influence.
Summary of the invention
The purpose of this invention is to provide a kind of abrasion-proof modified material and preparation method thereof.
For achieving the above object, the present invention takes following design:
A kind of abrasion-proof modified material is characterized in that the weight percent of its ingredient and each composition thereof is as follows: polyamide 6 99.2～93.8%; Modification of lubricating oils 0.7～3.5%; Basic lead sulfite 0.02～2,2%; Antioxidant 1010 0.01～0.5%; Antioxidant CA 0.02～0.3%; Metatitanic acid junket coupling agent NDZ-101 0.03～0.2%; Silane coupling agent KH570 0.02～0.5%.
The weight percent of described modification of lubricating oils ingredient and each composition thereof is as follows: fluorine carbon rare earth 0.1～2.7%; Isooctoate of rare earth metal 0.3～1.7%; Lubricating oil 99.6～95.6%.
Described lubricating oil is No. 20 aircraft oils or transformer oil.
A kind of making method of above-mentioned abrasion-proof modified material, its method steps is as follows:
A) mix in the still polymeric amide (PA6) resin input is molten earlier, by telefault to the still internal heating;
B) after the PA6 fusion in the still, the more uniform modification of lubricating oils of high-speed stirring (FHS1) and metatitanic acid junket coupling agent NDZ-101, silane coupling agent KH570, antioxidant 1010 are added in the still in proportion, stir, add antioxidant CA simultaneously in proportion together;
C) feed high-pressure carbon dioxide gas from inlet mouth again, the material in the still is squeezed out from discharge hole, enter the tank cooling;
D) last, by dicing machine traction blank, make the pellet of this abrasion-proof modified material finished product.
A kind of application of above-mentioned abrasion-proof modified material can be used the mold injection molding material with this material; Especially be processed as the mechanical means slide block, before injection moulding, the pellet heat-wind circulate drying of this abrasion-proof modified material finished product handled drying treatment condition: 90～110 ℃ of temperature, bed thickness 25mm, 8-12 hour time of drying.
The abrasion-proof modified material that the present invention is equipped with is the exotic materials of a kind of high life, can replace former sliding block material, and material and manufacturing cost and former sliding block material are than tooling cost quite or lower.
Advantage of the present invention is: material cost of the present invention is lower, wear-resistant, frictional coefficient is little, self-lubricating property is good, and mechanical property is preferably arranged, can injection moulding.The slide block that adopts the technical program to make, the slide block that its work-ing life, comparable PA6 made improves 5 times, and the slide block of making than cast iron materials improves 30 times.
Description of drawings
Fig. 1 is a melt-processed equipment synoptic diagram of the present invention
Embodiment
Abrasion-proof modified material of the present invention---modification of lubricating oils change polyamide 6 (FHS1-PA6), the weight percent of its ingredient and each composition thereof is as follows:
1. polyamide 6 (PA6 pellet) 99.2～96.3%:
2. modification of lubricating oils (FHS1) 0.7～3.5%;
3. basic lead sulfite 0.02～2, and 2%;
4. antioxidant 1010 0.01～0.5%;
5. antioxidant CA 0.02～0.3%;
6. metatitanic acid junket coupling agent NDZ-101 003～0.2%;
7. silane coupling agent KH570 0.02～0.5%;
Wherein, the weight percent of above-mentioned modification of lubricating oils ingredient and each composition thereof is as follows: fluorine carbon rare earth 0.1～2.7%; Isooctoate of rare earth metal 0.3～1.7%; Lubricating oil 99.6～95.6%.
Described lubricating oil is No. 20 aircraft oils or transformer oil.
Abrasion-proof modified material complete processing of the present invention is as follows: earlier polyamide 6 (PA6) resin is dropped into molten mixing in the still shown in Figure 1, by telefault to the still internal heating, after the PA6 fusion in the still, again modification of lubricating oils (FHS1) (lubricating oil and rare earth (fluorine carbon great soil group) high-speed stirring is even) and auxiliary agent (metatitanic acid junket coupling agent NDZ-101, silane coupling agent KH570, antioxidant 1010 and antioxidant CA) are added in the still, stir about 15～30 minutes of insulation; Feed high-pressure carbon dioxide gas from inlet mouth again; material in the still is squeezed out from discharge hole, enter tank cooling (water temperature is 20～25 ℃), last; by dicing machine traction blank, make abrasion-proof modified material---modification of lubricating oils changes polyamide 6 (FHS1-PA6) pellet.Because therefore the easy moisture absorption of this pellet, before injection moulding, needs heat-wind circulate drying to handle.Drying treatment condition: 90～110 ℃ of temperature, bed thickness 25mm, 8-12 hour time of drying.
The equipment that abrasion-proof modified material of the present invention processing is used as shown in Figure 1, among the figure: the 1-opening for feed; The 2-agitator; The 3-inlet mouth; The 4-strip of paper used for sealing; The 5-kettle; The 6-telefault; The 7-frame; 8-discharge port (3-4); The 9-tank; The 10-tensimeter; The 11-venting port; The 12-dicing machine.
In the above-mentioned starting material: polyamide 6 (PA6 pellet) resin is a main component material of the present invention.The lubricated effect of modification of lubricating oils (FHS1) is better than the effect of plain oil, can significantly reduce wearing and tearing.Basic lead sulfite is a stablizer, and its effect can improve the thermostability of polymkeric substance.It is aging that antioxidant 1010 and antioxidant CA can slow down resin, and the present invention adopts these two kinds of oxidation inhibitor can play better effect simultaneously, has effectively prolonged the life-span of product.The use of metatitanic acid junket coupling agent NDZ-101 and silane coupling agent KH570 coupling agent can increase being connected of molecular chain of resin and lubricating oil, and both being used in combination makes the intensity of product strengthen greatly.
The present invention will be further described below in conjunction with specific embodiment:
Embodiment 1:
Earlier polyamide 6 (PA6) resin 9.5kg is dropped into molten mixing in the still shown in Figure 1, by telefault to the still internal heating, after the PA6 resin fusion in the still, again modification of lubricating oils (FHS1) 0.2kg (wherein No. 20 aircraft oil 0.19kg and fluorine carbon great soil group rare earth 0.01kg high-speed stirring are even) and auxiliary agent (metatitanic acid junket coupling agent NDZ-1010.01kg, silane coupling agent KH570 0.03kg, antioxidant 1010 0.05kg) are added in the still, add basic lead sulfite, antioxidant CA 0.02,0.3 simultaneously, stir about 15 ~ 30 minutes of insulation; Feed high-pressure carbon dioxide gas from inlet mouth again, the 0.5 ~ 1Ma that keep-ups pressure makes the material in the still squeeze out from discharge hole; enter the tank cooling; at last, by dicing machine traction blank, make abrasion-proof modified material---modification of lubricating oils changes polyamide 6 (FHS1-PA6) pellet.Because therefore the easy moisture absorption of this pellet, before injection moulding, needs heat-wind circulate drying to handle.Drying treatment condition: 90 ~ 110 ℃ of temperature, bed thickness 25mm, 8-12 hour time of drying.Be injected into the mechanical means slide block again.
Embodiment 2:
Be same as the processing method of embodiment 1, wherein adopt transformer oil in the modification of lubricating oils.
Be analogous to the processing method of embodiment 1, the present invention carries out many group experimental tests respectively to the main ingredient of proportioning material, obtains following numerical table:
Test chart 1
Can be found out by test: the present invention selects Polyamide Engineering Plastic for use, and uses mold injection molding, avoids the processing of goods secondary cutting.And develop abrasion-proof modified material---modification of lubricating oils changes polyamide 6, and (FHS1-PA6) cost is lower, wear-resistant, frictional coefficient is little, self-lubricating property good, and mechanical property is preferably arranged, can injection molding.The slide block that this material is made, the slide block that its work-ing life, comparable PA6 made improves 5 times, and the slide block of making than cast iron materials improves 30 times.
Claims (7)
1, a kind of abrasion-proof modified material is characterized in that the weight percent of its ingredient and each composition thereof is as follows: polyamide 6 99.2～93.8%; Modification of lubricating oils 0.7～3.5%; Basic lead sulfite 0.02～2.2%; Antioxidant 1010 0.01～0.5%; Antioxidant CA 0.02～0.3%; Metatitanic acid junket coupling agent NDZ-101 0.03～0.2%; Silane coupling agent KH570 0.02～0.5%.
2, abrasion-proof modified material according to claim 1 and preparation method thereof is characterized in that: the weight percent of described modification of lubricating oils ingredient and each composition thereof is as follows: fluorine carbon rare earth 0.1～2.7%; Isooctoate of rare earth metal 0.3～1.7%; Lubricating oil 99.6～95.6%.
3, abrasion-proof modified material according to claim 1 is characterized in that: described lubricating oil is No. 20 aircraft oils or transformer oil.
4, abrasion-proof modified material according to claim 1 is characterized in that the weight percent of its ingredient and each composition thereof is as follows: polymeric amide 95%; Modification of lubricating oils 2%; Basic lead sulfite 1.2%; Antioxidant 1010 0.5%; Antioxidant CA 0.3%; Metatitanic acid junket coupling agent NDZ-101 0.1%; Silane coupling agent KH570 0.3%; Antioxidant 1010 0.6%.
5, the making method of the described abrasion-proof modified material of a kind of claim 1 is characterized in that method steps is as follows:
A) mix in the still polymeric amide PA6 resin input is molten earlier, by telefault to the still internal heating;
B) after the PA6 fusion in the still, the more uniform modification of lubricating oils FHS1 of high-speed stirring and metatitanic acid junket coupling agent NDZ-101, silane coupling agent KH570, antioxidant 1010, antioxidant CA are added in the still in proportion, stir insulation 15～30 minutes;
C) feed high-pressure carbon dioxide gas from inlet mouth again, the material in the still is squeezed out from discharge hole, enter the tank cooling;
D) last, by dicing machine traction blank, make the pellet of this abrasion-proof modified material finished product.
6, the application of the described abrasion-proof modified material of a kind of claim 1, it is characterized in that: this material is used the mold injection molding material, before injection moulding, pellet heat-wind circulate drying to this abrasion-proof modified material finished product is handled, drying treatment condition: 90～110 ℃ of temperature, bed thickness 25mm, 8-12 hour time of drying.
7, the application of the described abrasion-proof modified material of a kind of claim 6 is characterized in that: described section bar is the mechanical means slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102276006A CN101429335A (en) | 2008-11-27 | 2008-11-27 | Abrasion-proof modified material manufacturing method and uses thereof |
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| CNA2008102276006A CN101429335A (en) | 2008-11-27 | 2008-11-27 | Abrasion-proof modified material manufacturing method and uses thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102321365A (en) * | 2011-08-04 | 2012-01-18 | 北京电子科技职业学院 | Injection molding abrasion-resistant modified material |
| CN109251517A (en) * | 2017-07-14 | 2019-01-22 | 北京电子科技职业学院 | A kind of modified polyamide anti-abrasive material and preparation method thereof |
| WO2019104895A1 (en) * | 2017-11-29 | 2019-06-06 | 南方科技大学 | Nylon composite and preparation method therefor |
-
2008
- 2008-11-27 CN CNA2008102276006A patent/CN101429335A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102321365A (en) * | 2011-08-04 | 2012-01-18 | 北京电子科技职业学院 | Injection molding abrasion-resistant modified material |
| CN109251517A (en) * | 2017-07-14 | 2019-01-22 | 北京电子科技职业学院 | A kind of modified polyamide anti-abrasive material and preparation method thereof |
| WO2019104895A1 (en) * | 2017-11-29 | 2019-06-06 | 南方科技大学 | Nylon composite and preparation method therefor |
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Open date: 20090513 |