CN1557874A - Nylon grinding moire and method for preparing same - Google Patents
Nylon grinding moire and method for preparing same Download PDFInfo
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- CN1557874A CN1557874A CNA200410001000XA CN200410001000A CN1557874A CN 1557874 A CN1557874 A CN 1557874A CN A200410001000X A CNA200410001000X A CN A200410001000XA CN 200410001000 A CN200410001000 A CN 200410001000A CN 1557874 A CN1557874 A CN 1557874A
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- nylon
- ripple
- stubs
- rubs
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Abstract
The present invention is one kind of nylon brush product and its making process, and may be used widely in cleaning, polishing and finishing workpiece surface in different surface shapes. The present invention makes wavy abrasive nylon filament with nano modified nylon as basic material and SiC or Al2O3 of 80-800 mesh grain size as abrasive material, and through soaking in coupling agent, stoving, mixing, smelting, extruding, drawing and pressing to form waves.
Description
Technical field:
The present invention relates to a kind of manufacture method of nylon ripple abrasive filaments.
Background technology:
Because numerous abrasive filaments is equivalent to the flexible file of equivalent amount, when processing parts, can be crooked arbitrarily, naturally fit on the workpiece profile, enter the place that general purpose tools such as groove, crack are difficult to enter, burr is removed, and the sharp edge abate is smooth uniform circular arc, reaches the ideal effect of deburring, cutting edge passivation and surface finish processing.Also there are some problems in the quality of this brush silk at present, mainly is can only prepare raw silk rings by traditional wire drawing mode, can not prepare corrugation.Intermittent type presses the ripple operation to cause the curvature inequality to raw silk rings, and with impression, and production efficiency is low.Cause quality product unsatisfactory aspect rebound resilience and wear resisting property.
Summary of the invention:
Purpose of the present invention provides that a kind of wear resistance is strong, rebound resilience good, and curvature does not evenly have impression, nylon ripple abrasive filaments that production efficiency is high and preparation method thereof.
Technical scheme of the present invention is as follows.
A kind of Nylon ripple rubs stubs and its preparation method, be to be base-material with nano modification nylon, abrasive material is 10～35% of a weight of material, best 30 ± 0.2% mix mutually with nano modification nylon, adopt intermittently charging process, add forcing machine, fusion, wire drawing, typing, pressure ripple, continuous production make nylon ripple abrasive filaments.
Be to utilize the natural clay mineral polynite as disperse phase, utilize the fusion intercalation compounding technology, with polymeric amide PA is base material raw materials for production base-materials---nano modification nylon plastic, the content of nano inorganic phase material polynite (MMT) below 10wt.%, only is 3～5wt.% usually generally in the nano modification nylon.
The technological process of production of described nano modification nylon is: nylon chips is placed truck, make nylon chips through warm air drying hopper drying with the spring feeder, mix with organic montmorillonoid then.Adopt the twin screw extruder granulation promptly to get the nano modification nylon chips, standby after cold cut, the drying.
Adopting intermittently charging process, is that mixed raw materials is added to the forcing machine opening for feed with lacking dosage.
Abrasive material is to select size range at 80 orders～800 purpose SiC or Al
2O
3, soak into to handle the back, dry through coupling agent.
Be continous way production, once shaped.
The manufacture method of nylon ripple abrasive filaments of the present invention can be widely used in cleaning, polishing, the finishing of workpiece surface and handle, and not limited by the workpiece surface shape.
Description of drawings:
Fig. 1 is the technological process of production figure of nano modification nylon among the present invention;
Fig. 2 prepares the process flow sheet of nylon ripple abrasive filaments for continuous production.
Embodiment:
At first, utilizing the natural clay mineral polynite as disperse phase, utilize the fusion intercalation compounding technology, is that base material is produced the nano modification nylon plastic with polymeric amide PA.
The polynite of nano inorganic phase material (MMT) is a kind of layered silicate.Its structure sheet is a nano-scale, includes three subgrades, is embedded an alumina octahedral subgrade in the middle of two silicon-oxy tetrahedron subgrades, connects with covalent linkage by shared Sauerstoffatom between the subgrade, in conjunction with very firm.The about 1nm of entire structure sheet bed thickness, the about 100nm of length and width.Because the part aluminium atom in the alumina octahedral subgrade is replaced by the low price atom, lamella has negative charge.Superfluous negative charge is by being free on the Na of interlayer
+, Ca
2+And Mg
2+Therefore easily Deng cation balance, carry out ion exchange reaction with octadecyl quaternary ammonium salt or other organic cation and generate organic montmorillonoid, friendship
Polynite after changing becomes lipophilicity, and the distance of interlayer increases.Organo montmorillonite can further react with polymer melt, peels off the structure lamella into nano-scale in the process of Mixing of Polymer Melt, evenly spreads in the polymeric matrix, thereby forms nano modification nylon.
The second, select suitable feed way:
Because abrasive material is compared with section, abrasive grain has only 80 orders～800 orders, and the section diameter is in 3 millimeter, and a material great disparity is big; The density of abrasive material is greater than 3.90g/cm
3, and the density of PA has only 1.07g/cm
3About, density variation is big.By general method for mixing, abrasive material is deposited on feed hopper bottom easily, causes forcing machine material feeding inequality, and abrasive material disperses irregular in the melt extrusion process.Thereby cause easy fracture of wire in the drawing process, produce the thickness silk.Adopt the reinforced method in gap, reduce the batch mixing amount, can overcome the above problems.
The 3rd, select suitable coupling agents that abrasive material is handled:
Abrasive material is a kind of not molten insoluble material, can not reach ideal effect without handling with combining of nylon.We have selected a kind of silane coupling agent, and it can make abrasive material be evenly dispersed among the nanometer PA, and bonds together well; Its existence can improve moistureproofness in addition.The use of this silane coupling agent makes nanometer PA and combining of abrasive material not be that abrasive material is inclusive among the nanometer PA simply, thereby has improved the intensity and the wear resisting property of product.
Select suitable device and technology to carry out wire drawing, continuous production prepares nylon ripple abrasive filaments: consult accompanying drawing 2.
The inventive method built in nylon ripple abrasive filaments, detected result is as shown in table 1.
Show 1:(in 50% relative humidity, 23 degrees centigrade of temperature) the following data of surveying
Nylon ripple abrasive filaments of the present invention is made into brushing tool, compares experiment with the conventional abrasive material silk, under the same conditions, its hardness and rebound resilience obviously improve, and prolong work-ing life about 2 times.
| Test item | Unit | Index |
| Rebound degree | ????％ | ????≥60 |
| Rockwell hardness (R scale) | ????R | ????≥125 |
Claims (6)
1, a kind of Nylon ripple rubs stubs and its preparation method, it is characterized in that: be to be base-material with nano modification nylon, abrasive material is 10～35% of a weight of material, best 30 ± 0.2% mix mutually with nano modification nylon, adopt intermittently charging process, add forcing machine, fusion, wire drawing, typing, pressure ripple, continuous production make nylon ripple abrasive filaments.
2, Nylon ripple rubs stubs and its preparation method according to claim 1, it is characterized in that: be to utilize the natural clay mineral polynite as disperse phase, utilize the fusion intercalation compounding technology, with polymeric amide PA is base material raw materials for production base-materials---nano modification nylon plastic, the content of nano inorganic phase material polynite (MMT) below 10wt.%, only is 3～5wt.% usually generally in the nano modification nylon.
3, Nylon ripple rubs stubs and its preparation method according to claim 1 is characterized in that: the technological process of production of described nano modification nylon is as follows:
Illustrate: nylon chips is placed truck, make nylon chips through warm air drying hopper drying, mix with organic montmorillonoid then with the spring feeder.Adopt the twin screw extruder granulation promptly to get the nano modification nylon chips, standby after cold cut, the drying.
4, Nylon ripple rubs stubs and its preparation method according to claim 1 is characterized in that: described employing is charging process intermittently, is mixed raw materials is added to the forcing machine opening for feed with lacking dosage.
5, Nylon ripple rubs stubs and its preparation method according to claim 1 is characterized in that: described abrasive material is to select size range at 80 orders～800 purpose SiC or Al
2O
3, soak into to handle the back, dry through coupling agent.
6,1 described Nylon ripple rubs stubs and its preparation method as requested is characterized in that: be continous way production, once shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410001000 CN1292025C (en) | 2004-01-19 | 2004-01-19 | Nylon grinding moire and method for preparing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410001000 CN1292025C (en) | 2004-01-19 | 2004-01-19 | Nylon grinding moire and method for preparing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1557874A true CN1557874A (en) | 2004-12-29 |
| CN1292025C CN1292025C (en) | 2006-12-27 |
Family
ID=34350558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410001000 Expired - Fee Related CN1292025C (en) | 2004-01-19 | 2004-01-19 | Nylon grinding moire and method for preparing same |
Country Status (1)
| Country | Link |
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| CN (1) | CN1292025C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863903A (en) * | 2012-10-16 | 2013-01-09 | 河南工业大学 | Monomer casting (MC) nylon polishing abrasive grain used in roller polishing machine and preparation method of MC nylon polishing abrasive grain |
| CN104910619A (en) * | 2015-06-16 | 2015-09-16 | 苏州生光塑料机械有限公司 | Abrasive wire brush component and method for producing abrasive wire brush component |
| CN105419318A (en) * | 2015-12-30 | 2016-03-23 | 湖南南风新材料有限公司 | Wear resistant thermal conductive composite nylon, preparation method thereof, and preparation method of filament of same |
| CN107254168A (en) * | 2017-07-10 | 2017-10-17 | 余姚市顺迪塑料模具厂 | The fire-retardant nylon and preparation method of a kind of rub resistance |
| CN107418200A (en) * | 2017-08-04 | 2017-12-01 | 东莞华晶粉末冶金有限公司 | One kind clears off brush filament and preparation method thereof |
-
2004
- 2004-01-19 CN CN 200410001000 patent/CN1292025C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863903A (en) * | 2012-10-16 | 2013-01-09 | 河南工业大学 | Monomer casting (MC) nylon polishing abrasive grain used in roller polishing machine and preparation method of MC nylon polishing abrasive grain |
| CN104910619A (en) * | 2015-06-16 | 2015-09-16 | 苏州生光塑料机械有限公司 | Abrasive wire brush component and method for producing abrasive wire brush component |
| CN105419318A (en) * | 2015-12-30 | 2016-03-23 | 湖南南风新材料有限公司 | Wear resistant thermal conductive composite nylon, preparation method thereof, and preparation method of filament of same |
| CN107254168A (en) * | 2017-07-10 | 2017-10-17 | 余姚市顺迪塑料模具厂 | The fire-retardant nylon and preparation method of a kind of rub resistance |
| CN107418200A (en) * | 2017-08-04 | 2017-12-01 | 东莞华晶粉末冶金有限公司 | One kind clears off brush filament and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1292025C (en) | 2006-12-27 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Cixi Jieda Nanometer Compound materials Co., Ltd. Assignor: Ma Jianbo Contract fulfillment period: 2009.4.6 to 2024.1.18 contract change Contract record no.: 2009330000719 Denomination of invention: Nylon grinding moire and method for preparing same Granted publication date: 20061227 License type: Exclusive license Record date: 2009.4.20 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.4.6 TO 2024.1.18; CHANGE OF CONTRACT Name of requester: CIXI CITY JIEDANA NANO COMPOSITE MATERIAL CO., LTD Effective date: 20090420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061227 Termination date: 20160119 |
|
| EXPY | Termination of patent right or utility model |