CN101302338A - High-toughness, wear-resistant, self-lubricating polyamide material and preparation thereof - Google Patents
High-toughness, wear-resistant, self-lubricating polyamide material and preparation thereof Download PDFInfo
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- CN101302338A CN101302338A CNA2008100673453A CN200810067345A CN101302338A CN 101302338 A CN101302338 A CN 101302338A CN A2008100673453 A CNA2008100673453 A CN A2008100673453A CN 200810067345 A CN200810067345 A CN 200810067345A CN 101302338 A CN101302338 A CN 101302338A
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- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
- B29C48/9185—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling in the direction of the stream of the material
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- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- 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
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- 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
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- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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Abstract
The invention discloses a polyamide material with high tenacity, wear-resisting capacity and self-lubricating property and a method for preparing the same. The compositions by weight percentage of the polyamide material are: 65 to 80 percent of polyhexamethylene adipamide, 15 to 23 percent of wear-resistant agent, 0 to 0.5 percent of lubricating agent, 0 to 3 percent of coupling agent, 0 to 0.5 percent of antioxidant, and 5 to 10 percent of toughener. The method improves wear-resisting property and self-lubricating property of the product mainly through auxiliary materials, thereby enlarging the application range of polyamide modified engineering plastics. The product of the invention has the advantages of good toughness, high impact strength, good surface glossiness, excellent chemical resistance and good dimension stability; a part of wear-resisting agent is added in the polyamide material, so the wear-resisting property of the material can be greatly improved; because the application range of the polyamide material is enlarged, wear-resisting requirements of partial transmission parts, shuttle wear parts and anti-sand-scraping parts can be met; and the polyamide material can be widely used for transmission components of an engine, an outer housing of a roller, an outer housing of an engine, a mechanical socket connector and transmission accessories, and can be used in positions which are often contacted and abraded in other transmission devices.
Description
Technical field
The present invention relates to a kind of high molecule plastic technical field, relate in particular to the lubricated wear-resisting modified engineered plastic and preparation method thereof that reaches of a kind of hexamethylene diamine adipate.
Background technology
The hexamethylene diamine adipate resin is the universal very widely plastics of a kind of application, it has favorable rigidity, shock strength height, low temperature resistant, chemical proofing, physical strength and electric property are good, heat-resisting, surface hardness is high, and the characteristics of good dimension stability, finish size stability and surface luster are good, are used for the article component of the heat-resisting and product surface good luster of part.Make simultaneously the have specific characteristics engineering plastics of energy such as glass enhancings, fiberglass reinforced fire retardant easily.This series products is at electronic apparatus, widespread uses such as IT, household electrical appliances, automobile, toy, mechanical fitting.But its some shortcoming is low as the hexamethylene diamine adipate mechanical strength of resin of enhancing modified not, and water-absorbent is strong, and heat-resisting not high, toughness is bad etc., and therefore modification on the basis of hexamethylene diamine adipate resin can be satisfied the more demand of conglomerate.
The hexamethylene diamine adipate resin also more bad phenomenon can occur in the formed product process, do not reach as the not enough gloss of product surface, toughness of products, be easy to generate phenomenon of rupture, the product low-temperature flexibility is bad, product is easy peeling in rubbing for a long time and moving back and forth, wearing and tearing, phenomenons such as surface whiting.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of high tenacity, wear resistance and self lubricity polyamide material.
The preparation method of this kind high tenacity, wear resistance and self lubricity polyamide material also will be provided simultaneously.
For solving the problems of the technologies described above, the present invention by the following technical solutions: a kind of high tenacity, wear resistance and self lubricity polyamide material, it is prepared from by following component: hexamethylene diamine adipate: 65-80%; Anti-wear agent: 15～23%; Lubricant: 0～0.5%; Coupling agent: 0～3%; Oxidation inhibitor: 0～0.5%; Toughner: 0-10%;
Above percentage ratio is weight percent.
Wherein, described hexamethylene diamine adipate is the virgin resin of viscosity between 2.5-2.8.Described antioxidant is phenolic antioxidant four [β-(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester and phosphite ester kind antioxidant (2,4 di-tert-butyl-phenyl) tris phosphite.Described toughner is that polyvinyl-maleic anhydride connects the branched copolymer material.Described lubrication prescription is hard ester acids or fatty acid.Described anti-wear agent is a kind of in molybdenumdisulphide or the tetrafluoroethylene.Described coupling agent is a kind of among commercially available KH550, the KH560.
The preparation method's of high-toughness wear-resistant of the present invention and self lubricity polyamide material technical scheme may further comprise the steps:
Step 1: take by weighing each component by above-mentioned weight percent;
Step 2: with the hexamethylene diamine adipate resin is matrix, mixes 4-6 minute in agitation vat after adding toughner, anti-wear agent, lubrication prescription, coupling agent, oxidation inhibitor and an amount of dispersant; Rotating speed is 500-1200 rev/min of worker;
Step 3: each component that will mix places twin screw extruder, through the melting mixing extruding pelletization, its processing temperature is district's temperature a: 240-250 ℃, two district's temperature: 245-260 ℃, three district's temperature: 245-260 ℃, four district's temperature: 250-270 ℃, five district's temperature: 250-280 ℃, six district's temperature: 250-275 ℃, seven district's temperature: 250-260 ℃, engine speed: 300-350rpm.
Advantage of the present invention is that to have improved hexamethylene diamine adipate material impact intensity low, and the defective of poor toughness the invention has the beneficial effects as follows: the good toughness of product, shock strength height, product are difficult for producing fracture.The intensity height, chemical resistant properties is good, dimensional stability good, the wear resisting property excellence, and surface gloss is good.Mainly be that the self lubricity of product is greatly improved owing to added anti-wear agent and coupling agent, the product surface glossiness is significantly increased, material is significantly improved in wear resistance, can use at the transmission product, come and go the wearing and tearing product, scratch resistance sand product etc. has the product of wear-resistant requirement.
Embodiment
In following examples of the present invention, the hexamethylene diamine adipate resin viscosity is 2.5-2.8, and main manufacturer is refreshing horse, Asahi Chemical Industry, first promise, Asia, sieve ground etc.; Toughner is that polyvinyl-maleic anhydride connects the branched copolymer material, and producer has Du Pont, Bai Chen, section logical etc.; Anti-wear agent is a kind of in molybdenumdisulphide or the tetrafluoroethylene, and there is big capital etc. in producer.Lubrication prescription is hard ester acids or fatty acid material; Coupling agent is organo silane coupling agent KH550.Oxidation inhibitor comprises phenolic antioxidant four [β-(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester and phosphite ester kind antioxidant (2,4 di-tert-butyl-phenyl) tris phosphite.
Embodiment 1
With resin hexamethylene diamine adipate weight resin ratio be: 78.1%; The anti-wear agent weight ratio is: 15%; The lubrication prescription weight ratio is: 0.2%; The coupling agent weight ratio is: 1.5%; The oxidation inhibitor weight ratio is: 0.2%; The toughner weight ratio is: 5%; Above percentage ratio is weight percent.In high-speed mixer, mixed 4 minutes;
Each component that mixes places twin screw extruder, through the melting mixing extruding pelletization;
Its processing temperature is district's temperature a: 240-250 ℃, two district's temperature: 245-260 ℃, and three district's temperature: 245-260 ℃, four district's temperature: 250-270 ℃, five district's temperature: 250-280 ℃, six district's temperature: 250-275 ℃, seven district's temperature: 250-260 ℃, engine speed: 300-350rpm.
Embodiment 2
With resin hexamethylene diamine adipate weight resin ratio be: 66%; The anti-wear agent weight ratio is: 20%; The lubrication prescription weight ratio is: 0.5%; The coupling agent weight ratio is: 3%; The oxidation inhibitor weight ratio is: 0.5%; The toughner weight ratio is: 10%; Above percentage ratio is weight percent.In high-speed mixer, mixed 4 minutes;
Each component that mixes places twin screw extruder, through the melting mixing extruding pelletization;
Its processing temperature is district's temperature a: 240-250 ℃, two district's temperature: 245-260 ℃, and three district's temperature: 245-260 ℃, four district's temperature: 250-270 ℃, five district's temperature: 250-280 ℃, six district's temperature: 250-275 ℃, seven district's temperature: 250-260 ℃, engine speed: 300-350rpm.
Embodiment 3
With resin hexamethylene diamine adipate weight resin ratio be: 71.4%; The anti-wear agent weight ratio is: 18%; The lubrication prescription weight ratio is: 0.3%; The coupling agent weight ratio is: 2%; The oxidation inhibitor weight ratio is: 0.3%; The toughner weight ratio is: 8%; Above percentage ratio is weight percent.In high-speed mixer, mixed 4 minutes;
Each component that mixes places twin screw extruder, through the melting mixing extruding pelletization;
Its processing temperature is district's temperature a: 240-250 ℃, two district's temperature: 245-260 ℃, and three district's temperature: 245-260 ℃, four district's temperature: 250-270 ℃, five district's temperature: 250-280 ℃, six district's temperature: 250-275 ℃, seven district's temperature: 250-260 ℃, engine speed: 300-350rpm.
Embodiment 4
With resin hexamethylene diamine adipate weight resin ratio be: 79.4%; The anti-wear agent weight ratio is: 18%; The lubrication prescription weight ratio is: 0.3%; The coupling agent weight ratio is: 2%; The oxidation inhibitor weight ratio is: 0.3%; The toughner weight ratio is: 0%; Above percentage ratio is weight percent.In high-speed mixer, mixed 4 minutes;
Each component that mixes places twin screw extruder, through the melting mixing extruding pelletization;
Its processing temperature is district's temperature a: 240-250 ℃, two district's temperature: 245-260 ℃, and three district's temperature: 245-260 ℃, four district's temperature: 250-270 ℃, five district's temperature: 250-280 ℃, six district's temperature: 250-275 ℃, seven district's temperature: 250-260 ℃, engine speed: 300-350rpm.
Embodiment 5
With resin hexamethylene diamine adipate weight resin ratio be: 74%; The anti-wear agent weight ratio is: 18%; The lubrication prescription weight ratio is: 0%; The coupling agent weight ratio is: 0%; The oxidation inhibitor weight ratio is: 0%; The toughner weight ratio is: 8%; Above percentage ratio is weight percent.In high-speed mixer, mixed 4 minutes;
Each component that mixes places twin screw extruder, through the melting mixing extruding pelletization;
Its processing temperature is district's temperature a: 240-250 ℃, two district's temperature: 245-260 ℃, and three district's temperature: 245-260 ℃, four district's temperature: 250-270 ℃, five district's temperature: 250-280 ℃, six district's temperature: 250-275 ℃, seven district's temperature: 250-260 ℃, engine speed: 300-350rpm.
Comparative Examples 1
With resin hexamethylene diamine adipate weight resin ratio be: 98.1%; The anti-wear agent weight ratio is: 0%; The lubrication prescription weight ratio is: 0.2%; The coupling agent weight ratio is: 1.5%; The oxidation inhibitor weight ratio is: 0.2%; The toughner weight ratio is: 0%; Above percentage ratio is weight percent.In high-speed mixer, mixed 4 minutes;
Each component that mixes places twin screw extruder, through the melting mixing extruding pelletization;
Its processing temperature is district's temperature a: 240-250 ℃, two district's temperature: 245-260 ℃, and three district's temperature: 245-260 ℃, four district's temperature: 250-270 ℃, five district's temperature: 250-280 ℃, six district's temperature: 250-275 ℃, seven district's temperature: 250-260 ℃, engine speed: 300-350rpm.
Comparative Examples 2
With resin hexamethylene diamine adipate weight resin ratio be: 90.1%; The anti-wear agent weight ratio is: 18%; The lubrication prescription weight ratio is: 0.2%; The coupling agent weight ratio is: 1.5%; The oxidation inhibitor weight ratio is: 0.2%; The toughner weight ratio is: 0%; Above percentage ratio is weight percent.In high-speed mixer, mixed 4 minutes;
Each component that mixes places twin screw extruder, through the melting mixing extruding pelletization;
Its processing temperature is district's temperature a: 240-250 ℃, two district's temperature: 245-260 ℃, and three district's temperature: 245-260 ℃, four district's temperature: 250-270 ℃, five district's temperature: 250-280 ℃, six district's temperature: 250-275 ℃, seven district's temperature: 250-260 ℃, engine speed: 300-350rpm.
Comparative Examples 3
With resin hexamethylene diamine adipate weight resin ratio be: 88.1%; The anti-wear agent weight ratio is: 0%; The lubrication prescription weight ratio is: 0.2%; The coupling agent weight ratio is: 1.5%; The oxidation inhibitor weight ratio is: 0.2%; The toughner weight ratio is: 10%; Above percentage ratio is weight percent.In high-speed mixer, mixed 4 minutes;
Each component that mixes places twin screw extruder, through the melting mixing extruding pelletization;
Its processing temperature is district's temperature a: 240-250 ℃, two district's temperature: 245-260 ℃, and three district's temperature: 245-260 ℃, four district's temperature: 250-270 ℃, five district's temperature: 250-280 ℃, six district's temperature: 250-275 ℃, seven district's temperature: 250-260 ℃, engine speed: 300-350rpm.
Performance evaluation mode and implementation standard:
With the particle finished as stated above in 90～110 ℃ convection oven dry 4 hours in advance, and then the particulate material that drying is good carries out the injection molding sample preparation on injector, the injection mold temperature control is at 90 ℃, and the injection moulding temperature is controlled at 250-270 ℃.
The tensile property test is undertaken by ISO 527-2, and specimen size is 150*10*4, and draw speed is 50mm/min; The bending property test is undertaken by ISO 178, and specimen size is 80*10*4, and draw speed is 2mm/min, and span is 64mm, and simple beam impact strength is undertaken by ISO 179, and specimen size is 55*6*4, and notch depth is 1/3rd of a sample thickness; The test of ash is undertaken by the testing method of ISO 3451.
Comprehensive mechanical performance is passed judgment on by the numerical value of tensile strength, elongation at break, flexural strength, modulus in flexure, shock strength and the flame retardant resistance of test gained.
Table 1: the prescription transitivity table of embodiment 1-6
| The matrix material title | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| PA66 | 78.1 | 66 | 71.4 | 79.4 | 74 |
| Anti-wear agent | 15 | 20 | 18 | 18 | 18 |
| Lubrication prescription | 0.2 | 0.5 | 0.3 | 0.3 | 0 |
| Coupling agent | 1.5 | 3 | 2 | 2 | 0 |
| Oxidation inhibitor | 0.2 | 0.5 | 0.3 | 0.3 | 0 |
| Toughner | 5 | 10 | 8 | 0 | 8 |
| Proportion | 1.12 | 1.11 | 1.12 | 1.12 | 1.12 |
| Flexural strength (Mpa) | 89 | 81 | 85 | 89 | 76 |
| Modulus in flexure (Mpa) | 2120 | 1890 | 2050 | 2070 | 1750 |
| Notched Izod impact strength (KJ/M2) | 18 | 25 | 22 | 14.5 | 18 |
| Tensile strength | 59 | 54 | 57 | 58 | 49 |
| (Mpa) | |||||
| Fracture percentage of elongation (%) | 21 | 32 | 30 | 25 | 28 |
| Mobile (g/10min) | 115 | 85 | 90 | 135 | 72 |
| The product processing temperature (℃) | 250-280 | 250-280 | 250-280 | 250-280 | 250-280 |
| The injection moulding temperature (℃) | 250-270 | 250-270 | 250-270 | 250-270 | 250-270 |
The prescription transitivity table of table 2: Comparative Examples 1-3
| The matrix material title | Comparative Examples 1 | Comparative Examples 2 | Comparative Examples 3 |
| PA66 | 98.1 | 90.1 | 88.1 |
| Anti-wear agent | 0 | 18 | 0 |
| Lubrication prescription | 0.2 | 0.2 | 0.2 |
| Coupling agent | 1.5 | 1.5 | 1.5 |
| Oxidation inhibitor | 0.2 | 0.2 | 0.2 |
| Toughner | 0 | 0 | 10 |
| Proportion | 1.15 | 1.13 | 1.09 |
| Flexural strength (Mpa) | 93 | 91 | 76 |
| Modulus in flexure (Mpa) | 2300 | 2100 | 1650 |
| Notched Izod impact strength (KJ/M2) | 14 | 18 | 29 |
| Tensile strength (Mpa) | 62 | 58 | 45 |
| Fracture percentage of elongation (%) | 6 | 25 | 75 |
| Mobile (g/10min) | 150 | 80 | 45 |
| The product processing temperature (℃) | 250-280 | 250-280 | 250-280 |
| The injection moulding temperature (℃) | 250-270 | 250-270 | 240-260 |
From the performance of table 1 relatively, along with the increase of toughner ratio, the shock strength of material is significantly improved, but its flexural strength and tensile strength reduce, and the percentage of elongation of material obtains enlarging, and flowing property also significantly reduces.If do not add any lubrication prescription, oxidation inhibitor etc. in the material, the flowability of material is lower, causes the self lubricity of material on the low side, and the flowing property of material is bad, can bring a lot of difficulties in the injection moulding in later stage.If the toughner addition in the material is too much, the bending of material and tensile strength can descend significantly, and the insufficient strength height of material can not satisfy the requirement of strength of more products.See recently mutually with Comparative Examples with embodiment that again material does not add any toughner and anti-wear agent, the shock strength of material is obviously on the low side, can not reach some parts to the flexible requirement.Only add a spot of toughner or anti-wear agent, toughness, flowability and stretching, flexural strength to material all have tangible influence, for the over-all properties of balance strength, toughness and wear resistance, and the end-use of material, and the cost control of material, it is the most rational selecting embodiment 3 for use.
Claims (8)
1, a kind of high-toughness wear-resistant and self lubricity polyamide material, its composition is (%) by weight ratio:
PA 66 65-80%;
Anti-wear agent 15-23%;
Lubricant 0-0.5%;
Coupling agent 0-3%;
Oxidation inhibitor 0-0.5%;
Toughner 0-10%.
2, high-toughness wear-resistant according to claim 1 and self lubricity polyamide material is characterized in that: described anti-wear agent is a kind of in molybdenumdisulphide or the tetrafluoroethylene.
3, high-toughness wear-resistant according to claim 1 and self lubricity polyamide material is characterized in that: described toughner is that polyvinyl-maleic anhydride connects the branched copolymer material.
4, high-toughness wear-resistant according to claim 1 and self lubricity polyamide material, it is characterized in that: described oxidation inhibitor comprises phenolic antioxidant four [β-(3 ', 5 '-di-t-butyl-4 '-hydroxy phenyl) propionic acid] pentaerythritol ester and phosphite ester kind antioxidant (2,4 di-tert-butyl-phenyl) tris phosphite.
5, high-toughness wear-resistant according to claim 1 and self lubricity polyamide material is characterized in that: described lubricant is stearic acid and/or fatty acid.
6, high-toughness wear-resistant according to claim 1 and self lubricity polyamide material is characterized in that: described coupling agent is a kind of among commercially available KH550, the KH560.
7, high-toughness wear-resistant according to claim 1 and self lubricity polyamide material is characterized in that: described hexamethylene diamine adipate resin is the virgin resin of viscosity at 2.5-2.8.
8, the preparation method of a kind of high-toughness wear-resistant as claimed in claim 1 and self lubricity polyamide material, it is characterized in that: this preparation method may further comprise the steps:
Step 1: take by weighing each component by above-mentioned weight percent;
Step 2: with the hexamethylene diamine adipate is matrix, adds toughner, anti-wear agent, lubrication prescription, coupling agent, oxidation inhibitor and mixes in high-speed mixer;
Step 3: each component that will mix places twin screw extruder, through the melting mixing extruding pelletization, its complete processing is district's temperature a: 240-250 ℃, two district's temperature: 245-260 ℃, three district's temperature: 245-260 ℃, four district's temperature: 250-270 ℃, five district's temperature: 250-280 ℃, six district's temperature: 250-275 ℃, seven district's temperature: 250-260 ℃.
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| CN104419202A (en) * | 2013-09-11 | 2015-03-18 | 安徽科聚新材料有限公司 | Abrasion-resistant polytetrafluoroethylene and aramid fiber reinforced-modified PA66 material and preparation method thereof |
| CN105295356A (en) * | 2014-06-09 | 2016-02-03 | 南通慧源塑胶有限公司 | Formula of highly wear-resistant polyamide |
| CN106589919A (en) * | 2015-10-19 | 2017-04-26 | 财团法人纺织产业综合研究所 | Master batch of wear-resistant fiber, manufacturing method thereof and wear-resistant fiber manufactured by using master batch |
| CN113845722A (en) * | 2021-09-28 | 2021-12-28 | 上海健康医学院 | High-friction textile raw material and preparation method thereof |
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| CN102051043A (en) * | 2009-10-30 | 2011-05-11 | 上海金发科技发展有限公司 | High wear-resistant and cold-resistant toughened nylon composite material |
| CN102051043B (en) * | 2009-10-30 | 2013-06-05 | 上海金发科技发展有限公司 | High wear-resistant and cold-resistant toughened nylon composite material |
| CN101864168B (en) * | 2010-07-12 | 2012-01-11 | 河南省科学院同位素研究所有限责任公司 | Wear-resistant self-lubricating nylon compound material and method for preparing same |
| CN101864168A (en) * | 2010-07-12 | 2010-10-20 | 河南省科学院同位素研究所有限责任公司 | Wear-resistant self-lubricating nylon compound material and method for preparing same |
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| CN104284771A (en) * | 2012-05-09 | 2015-01-14 | 帝斯曼知识产权资产管理有限公司 | Plastic engine cover |
| CN103360758A (en) * | 2013-07-15 | 2013-10-23 | 上海秋橙新材料科技有限公司 | Anti-aging PA-PTFE plastic alloy |
| CN103360758B (en) * | 2013-07-15 | 2016-02-03 | 上海秋橙新材料科技有限公司 | anti-aging PA-PTFE plastic alloy |
| CN104419202A (en) * | 2013-09-11 | 2015-03-18 | 安徽科聚新材料有限公司 | Abrasion-resistant polytetrafluoroethylene and aramid fiber reinforced-modified PA66 material and preparation method thereof |
| CN103924323A (en) * | 2014-04-29 | 2014-07-16 | 厦门怡龙谷新材料科技有限公司 | Large-diameter composite monofilament with novel skin-core structure and preparation method and application of composite monofilament |
| CN105295356A (en) * | 2014-06-09 | 2016-02-03 | 南通慧源塑胶有限公司 | Formula of highly wear-resistant polyamide |
| CN104046009A (en) * | 2014-06-20 | 2014-09-17 | 浙江衢州万能达科技有限公司 | Nylon 6-polytetrafluoroethylene composition |
| CN104403345A (en) * | 2014-12-15 | 2015-03-11 | 苏州宽温电子科技有限公司 | High-strength abrasion-proof high-molecular material and preparation method thereof |
| CN106589919A (en) * | 2015-10-19 | 2017-04-26 | 财团法人纺织产业综合研究所 | Master batch of wear-resistant fiber, manufacturing method thereof and wear-resistant fiber manufactured by using master batch |
| CN106589919B (en) * | 2015-10-19 | 2019-11-05 | 财团法人纺织产业综合研究所 | Master batch of wear-resistant fiber, manufacturing method thereof and wear-resistant fiber manufactured by using master batch |
| CN113845722A (en) * | 2021-09-28 | 2021-12-28 | 上海健康医学院 | High-friction textile raw material and preparation method thereof |
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