CN108148402A - Wear-resisting polyamide PA6 materials - Google Patents
Wear-resisting polyamide PA6 materials Download PDFInfo
- Publication number
- CN108148402A CN108148402A CN201611111860.8A CN201611111860A CN108148402A CN 108148402 A CN108148402 A CN 108148402A CN 201611111860 A CN201611111860 A CN 201611111860A CN 108148402 A CN108148402 A CN 108148402A
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- China
- Prior art keywords
- polyamide
- area
- wearability
- polyamide material
- wear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The object of the present invention is to provide a kind of modified polyamide materials for improving polyamide material wearability and preparation method thereof.Polyamide (PA6) engineering plastics have many advantages, such as excellent mechanical property and electrical property, also with wear-resisting, oil resistant, self-lubricating, corrosion-resistant and good processing performance.Its purposes is also more and more extensive, and application range includes automobile, mechanical equipment, electronic apparatus, chemical industry equipment, building, daily necessities, communications and transportation etc..The heat distortion temperature of pure PA6 is 70 degree or so, therefore shorter using the service life of pure PA6 manufacture mechanical parts, is restricted in many occasions.Wearability polyamide material of the present invention, the wear-resisting property of polyamide material obtain more significantly improving, and application and further genralrlization for polyamide material have a very important significance.But also the proud raising of safety coefficient in the uses such as car electrics, mechanical equipment, communications and transportation.
Description
Technical field
The invention belongs to polyamide material production technical field, specifically a kind of improvement original deficiency of polyamide makes its tool
There is modified polyamide material of wear-resisting property and preparation method thereof.
Background technology
Polyamide (nylon), English name：Polyamide, abbreviation title PA.Its chemical formula is：[- NH (CH2) 6-NHCO
(CH2)4CO]n.Structural formula is as follows：
Polyamide (PA6) engineering plastics have excellent mechanical property and electrical property, also with wear-resisting, oil resistant, self-lubricating, corrosion resistant
The advantages that erosion and good processing performance.Its purposes is also more and more extensive, and application range includes automobile, mechanical equipment, electronics
Electric appliance, chemical industry equipment, building, daily necessities, communications and transportation etc..The heat distortion temperature of pure PA6 is 70 degree or so, therefore using pure
The service life of PA6 manufacture mechanical parts is shorter, is restricted in many occasions.
Invention content
The object of the present invention is to provide a kind of modified polyamide material for improving polyamide material wearability and its preparation sides
Method.
Wearability polypropylene material is made of following weight ratio raw material：
Polyamide (PA6) raw material：75~95
Nano-aluminium oxide (10.4nm)：2.0~4.0
Antioxidant：1.0~3.0
Silane coupling agent：1.0~3.0
Antioxidant of the present invention is the copolymer of ethylene-octene；Coupling agent uses silane coupling agent as SG-Si902.
The preparation method of the wearability polyamide material, includes the following steps：First by above-mentioned various raw materials in mixed at high speed
It is 15-20 minutes dry-mixed in device, then be placed in double screw extruder through melting extrusion, cooling, pelletizing, packed products；Wherein,
One area's temperature of double screw extruder is 160-180 DEG C, and 2nd area are 230-250 DEG C, and 3rd area are 255-275 DEG C, and 4th area are 250-270
℃；5th area are 230-250 DEG C, and the residence time is 1-2 minutes, pressure 10-15Mpa.
The mechanical property of gained polyamide abrasion-proof material of the invention can reach using standard, and polyamides can be greatly improved
The wear-resisting property of amine material, makes polyamide material improve security performance when in use.
Specific embodiment
Below by specific embodiment, the present invention is described further, and following embodiment is only that the present invention is carried out
Illustrate rather than it is limited.
Embodiment 1：
(1) to weigh each raw material respectively as follows for score by weight：
Polyamide (PA6) raw material：85
Nano-aluminium oxide (10.4nm)：3.0
Antioxidant (copolymer of ethylene-octene)：2.0
Silane coupling agent (SG-Si902)：2.0
(2) it is first that above-mentioned various raw materials are 15-20 minutes dry-mixed in super mixer, then be placed in double screw extruder through melting
Extrusion, cooling, pelletizing, packed products；Wherein, one area's temperature of double screw extruder is 160-180 DEG C, and 2nd area are 230-
250 DEG C, 3rd area are 255-275 DEG C, and 4th area are 250-270 DEG C；5th area are 230-250 DEG C, and the residence time is 1-2 minutes, pressure
For 10-15Mpa.
Experimental result：
| Characterisitic parameter | Testing standard | Performance indicator | Test data |
| 1 tensile strength MPa | ASTM/D638 | / | 105.5 |
| 2 elongation at break % | ASTM/D638 | / | 6.7 |
| 3 bending strength MPa | ASTM/D790 | / | 145.0 |
| 4 bending modulus MPa | ASTM/D790 | / | 4320.5 |
| 5 Izod notched impact strength J/m | ASTM/D256 | / | 80.0 |
It is above-mentioned the experimental results showed that, the wear-resisting property of polyamide flame-retardant materials obtains extremely significantly improving and it
Remaining mechanical property also gets a promotion and improves.
Embodiment 2：
(1) to weigh each raw material respectively as follows for score by weight：
Polyamide (PA6) raw material：75
Nano-aluminium oxide (10.4nm)：2.0
Antioxidant (copolymer of ethylene-octene)：1.0
Silane coupling agent (SG-Si902)：1.0
(2) it is first that above-mentioned various raw materials are 15-20 minutes dry-mixed in super mixer, then be placed in double screw extruder through melting
Extrusion, cooling, pelletizing, packed products；Wherein, one area's temperature of double screw extruder is 160-180 DEG C, and 2nd area are 230-
250 DEG C, 3rd area are 255-275 DEG C, and 4th area are 250-270 DEG C；5th area are 230-250 DEG C, and the residence time is 1-2 minutes, pressure
For 10-15Mpa.
Experimental result：
| Characterisitic parameter | Testing standard | Performance indicator | Test data |
| 1 tensile strength MPa | ASTM/D638 | / | 102.5 |
| 2 elongation at break % | ASTM/D638 | / | 7.0 |
| 3 bending strength MPa | ASTM/D790 | / | 140.0 |
| 4 bending modulus MPa | ASTM/D790 | / | 4302.5 |
| 5 Izod notched impact strength J/m | ASTM/D256 | / | 75.0 |
Above-mentioned test result shows that the wear-resisting property of polyamide material is significantly improved and improves.
Embodiment 3：
(1) to weigh each raw material respectively as follows for score by weight：
Polyamide (PA6) raw material：95
Nano-aluminium oxide (10.4nm)：4.0
Antioxidant (copolymer of ethylene-octene)：3.0
Silane coupling agent (SG-Si902)：3.0
(2) it is first that above-mentioned various raw materials are 15-20 minutes dry-mixed in super mixer, then be placed in double screw extruder through melting
Extrusion, cooling, pelletizing, packed products；Wherein, one area's temperature of double screw extruder is 160-180 DEG C, and 2nd area are 230-
250 DEG C, 3rd area are 255-275 DEG C, and 4th area are 250-270 DEG C；5th area are 230-250 DEG C, and the residence time is 1-2 minutes, pressure
For 10-15Mpa.
Experimental result：
It is above-mentioned the experimental results showed that, the wear-resisting property of polyamide material obtains more significantly improving, but relative to
The proportioning of embodiment 1 and embodiment 2, there are certain gaps for remaining mechanical property.
Above-described embodiment is the present invention for example, being not intended to limit the present invention.Shown wherein by above-mentioned experiment
Embodiment 1 is optimum weight percent, the tensile strength of wearability polyamide material manufactured by this method, elongation at break, curved
The performances such as Qu Qiangdu and bending modulus are obviously improved.
Wearability polyamide material of the present invention, application and further genralrlization for polyamide material have ten
Divide important meaning.But also the proud raising of safety coefficient in the uses such as car electrics, mechanical equipment, communications and transportation.
Claims (4)
1. wearability polyamide material, it is characterised in that：It is made of following weight ratio raw material,
Polyamide (PA6) raw material：75~95
Nano-aluminium oxide (10.4nm)：2.0~4.0
Antioxidant：1.0~3.0
Silane coupling agent：1.0~3.0.
2. wearability polyamide material according to claim 1, it is characterised in that：Optimum weight percent raw material forms：
Polyamide (PA6) raw material：85
Nano-aluminium oxide (10.4nm)：3.0
Antioxidant：2.0
Silane coupling agent：2.0.
3. wearability polyamide material according to claim 1, it is characterised in that：Antioxidant of the present invention is second
The copolymer of alkene-octene；Coupling agent uses silane coupling agent as SG-Si902.
4. wearability polyamide material according to claim 1, it is characterised in that：It is first that above-mentioned various raw materials are mixed in high speed
It is 15-20 minutes dry-mixed in clutch, then be placed in double screw extruder through melting extrusion, cooling, pelletizing, packed products；Its
In, one area's temperature of double screw extruder is 160-180 DEG C, and 2nd area are 230-250 DEG C, and 3rd area are 255-275 DEG C, and 4th area are 250-
270℃；5th area are 230-250 DEG C, and the residence time is 1-2 minutes, pressure 10-15Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611111860.8A CN108148402A (en) | 2016-12-06 | 2016-12-06 | Wear-resisting polyamide PA6 materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611111860.8A CN108148402A (en) | 2016-12-06 | 2016-12-06 | Wear-resisting polyamide PA6 materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108148402A true CN108148402A (en) | 2018-06-12 |
Family
ID=62468435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611111860.8A Pending CN108148402A (en) | 2016-12-06 | 2016-12-06 | Wear-resisting polyamide PA6 materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108148402A (en) |
-
2016
- 2016-12-06 CN CN201611111860.8A patent/CN108148402A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180612 |
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| WD01 | Invention patent application deemed withdrawn after publication |