CN102977597A - Polytetrafluoroethylene modified nylon PA66 particle material, as well as its preparation method and application in vehicles - Google Patents
Polytetrafluoroethylene modified nylon PA66 particle material, as well as its preparation method and application in vehicles Download PDFInfo
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- CN102977597A CN102977597A CN201210295201XA CN201210295201A CN102977597A CN 102977597 A CN102977597 A CN 102977597A CN 201210295201X A CN201210295201X A CN 201210295201XA CN 201210295201 A CN201210295201 A CN 201210295201A CN 102977597 A CN102977597 A CN 102977597A
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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
-
- 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
-
- 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
-
- 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
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
-
- 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
- B29C2948/92885—Screw or gear
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention discloses a polytetrafluoroethylene modified nylon PA66 particle material, which is obtained by mixing a material A of the polytetrafluoroethylene modified nylon PA66 and a material B of the polytetrafluoroethylene modified nylon PA66, and then carrying out extrusion granulation. The present invention further discloses applications of the obtained modified nylon PA66 particle material in vehicle parts. The preparation method mainly comprise adding the dried modified material to a heated injection molding machine, setting injection pressures, speeds, injection times and glue injection amounts at different segments of the injection molding machine, and setting a final packing pressure and a packing speed to achieve an optimal injection molding process so as to obtain the final qualified product. After the modified nylon PA66 particle material is used for plastic connection devices of vehicles in the injection molding manner, advantages of high surface finish, good toughness, high strength and the like are provided, demolding is easily performed during injection molding, product quality is stable, a qualification rate is high, production efficiency is improved and production cost is reduced.
Description
Technical field
The present invention relates to the engineering plastics field, be specifically related to a kind of polytetrafluoroethylmodified modified nylon PA66 particle material of modification and preparation method thereof and application.
Background technology
Along with social progress, the usage quantity of automobile is in continuous increase, a lot of junctors on automobile, connecting plug-in unit is obtained by the nylon manufacture, existing plastics connect plug-in unit and mainly adopt common nylon material, by adding, toughner is composite to be formed, after various material mixing, it is not good that each component is melted in process dispersiveness altogether, each group partition inter-capacitive is poor, intensity, toughness, the erosion resistance deficiency, material cost is higher, demoulding difficulty, surface gloss is poor, processing characteristics is bad, cause unstable product quality, conforming product rate is low, reduced economical efficiency, thereby affected the performance of automobile.
Summary of the invention
In order to alleviate shortcomings and deficiencies of the prior art, the object of the present invention is to provide a kind of polytetrafluoroethylmodified modified nylon PA66 particle material and preparation method thereof and the application on auto parts machinery.The plastic connector for the production of automobile with the nylon PA66 particle material injection moulding of modification of the present invention, connect plug-in unit, there is easy-formation, the easily demoulding, the surface smoothness of product is high, good toughness, intensity is high, Shooting Technique stability, products obtained therefrom steady quality, improve production efficiency, reduced production cost.
The present invention adopts following technical scheme to achieve these goals:
A kind of polytetrafluoroethylmodified modified nylon PA66 particle material, it is mixed in proportion extrusion molding by A material and B material and forms, and the A material is 1-2:1 with the mixed weight ratio of B material, and described A material, B material are obtained by the raw material extrusion granulating of following weight part respectively:
The A material:
Nylon PA6650-60, ASA resin 15-20, tetrafluoroethylene 10-15,3-aminopropyl trimethoxysilane 0.2-0.5, Union carbide A-162 0.3-0.5, antioxidant 1010 0.1-0.6, anti ultraviolet agent 0.1-0.4, polycaprolactone 2-5, polyethylene wax 1-2, modified Nano powder 5-10
Described modified Nano powder is made by following method: after calcium carbonate, celestite powder, feldspar in powder equal proportion are mixed, at 600-700 ℃ of lower scaling loss 4-5 hour, then grind to form nanometer powder, admix the Di(dioctylpyrophosphato) ethylene titanate agitating that is equivalent to powder weight 3-5% even, dry, be ground into powder;
The B material:
Nylon PA660-70, ASA resin 10-15, tetrafluoroethylene 5-10, oxidation inhibitor 1035 oxidation inhibitor 10350.1-0.3, ABS high glue powder 2-3, SAN6-8, polycaprolactone 2-5, vinyl three ('beta '-methoxy oxyethyl group) silane 0.20-0.4, phenyl triethoxysilane 0.3-0.7, two Lauryl Alcohol ester 0.5-1, ethylene bis stearamide 1-2, modified meerschaum 5-10
Described modified meerschaum is made by following method: first use 15-20% salt acid soak attapulgite 1-2 hour, and standing, clarification, centrifugal, solid washes with water to neutrality, after oven dry, add the vinyltriethoxysilane agitating that is equivalent to solid weight 3-5% even, dry, be ground into powder.
The preparation method of described polytetrafluoroethylmodified modified nylon PA66 particle material comprises the following steps:
The first step prepares the A material:
(1) take each formula material by formula rate;
(2) by the starting material that weigh up, after mixing, suck dry bucket, under 90-100 ℃, dry 4-6 hour;
(3) when the water content of compound is less than 0.2%, the dry end;
(4) extruding pelletization after dried mixture employing twin screw extruder melting is obtained to the A material, the barrel zone temperature 245-280 ℃ of forcing machine, screw speed is 190-550rpm;
Second step prepares the B material: adopt with the identical technique of A material and carry out granulation;
The 3rd step A material and B material mixing granulation:
(1) A material first two steps made and B material, after mixing according to the weight ratio of 1-2:1, extrusion granulating, obtain final polytetrafluoroethylmodified modified nylon PA66 particle material.
Described polytetrafluoroethylmodified modified nylon PA66 particle material is applied on automobile, prepares connector sheet type plug boot DJ7135-3-11.
Described polytetrafluoroethylmodified modified nylon PA66 particle material is applied on automobile, prepares the preparation method of connector sheet type sheath plug boot DJ7135-3-11, it is characterized in that, comprises the following steps:
(1) after polytetrafluoroethylmodified modified nylon PA66 particle material and yellowish green toner are mixed in proportion, add dryer, under 100-120 ℃, dry 4-6h, the mixed weight of nylon PA66 particle material and yellowish green toner is than being (kg/g) 24-26:1.4-1.6;
(2) temperature of injection moulding machine heating zone is set: 285 ± 5 ℃ of first paragraphs, 280 ± 5 ℃ of second segments, the 3rd section 270 ± 5 ℃, the 4th section 265 ± 5 ℃, the 5th section 260 ± 5 ℃;
(3) by dried starting material, join in injection moulding machine, injection moulding, moulding, the demoulding, injection moulding section molding technique parameter is set:
A, first paragraph adopt the mesolow of 35-40Mpa, the medium velocity injection of 45-55m/s, and be 1.0-1.5 second inject time, and injection glue amount is to the 78-80% of product;
B, second segment adopt the mesolow of 30-35Mpa, the medium velocity injection of 45-55m/s, and be 0.5-1.0 second inject time, and injection glue amount is to 100% of water port of product.
Beneficial effect of the present invention:
Polytetrafluoroethylmodified modified nylon PA66 particle material prepared by the inventive method, have good fluidity, easily processing, especially easily demoulding during injection moulding, the surface smoothness high of product, the plastic connector for automobile with the nylon PA66 particle material injection moulding of modification of the present invention, have surface smoothness high, good toughness, the intensity advantages of higher, especially easily demoulding during injection moulding, constant product quality, qualification rate is high, improve production efficiency, reduced production cost.
Embodiment
Embodiment 1
Prepare polytetrafluoroethylmodified modified nylon PA66 particle material, concrete steps are:
The first step: preparation A material (kg):
Take nylon PA6650, ASA resin 15, tetrafluoroethylene 15,3-aminopropyl trimethoxysilane 0.2, Union carbide A-162 0.4, antioxidant 1010 0.2, anti ultraviolet agent 0.3, polycaprolactone 2, polyethylene wax 1.5, modified Nano powder 8,
Wherein, the modified Nano powder is made by following method: after calcium carbonate, celestite powder, feldspar in powder equal proportion are mixed, at 600-700 ℃ of lower scaling loss 4-5 hour, then grind to form nanometer powder, admix the Di(dioctylpyrophosphato) ethylene titanate agitating that is equivalent to powder weight 3-5% even, dry, be ground into powder
By the starting material that weigh up, after mixing, suck dry bucket, under 75-90 ℃, dry 4-6 hour;
When the water content of compound is less than 3%, the dry end;
By extruding pelletization after dried mixture employing twin screw extruder melting, obtain the A material, the barrel zone temperature 245-280 ℃ of forcing machine, screw speed is 480rpm;
Second step prepares B material (kg):
Take nylon PA665, ASA resin 10, tetrafluoroethylene 5, oxidation inhibitor 10350.2, ABS high glue powder 2, SAN6, polycaprolactone 2, vinyl three ('beta '-methoxy oxyethyl group) silane 0.2, phenyl triethoxysilane 0.4, two Lauryl Alcohol ester 0.6, ethylene bis stearamide 1.5, modified meerschaum 8
Wherein, modified meerschaum is made by following method: first use 15% salt acid soak attapulgite 2 hours, and standing, clarification, centrifugal, collect the solid material, the solid material washes with water to neutrality again, after oven dry, add the vinyltriethoxysilane agitating that is equivalent to solid weight 4% even, dry, be ground into powder, can obtain modified meerschaum
By the starting material that weigh up, after mixing, suck dry bucket, under 80-95 ℃, dry 4-6 hour;
When the water content of compound is less than 3%, the dry end;
Adopt twin screw extruder to carry out extruding pelletization after melting dried mixture, obtain the B material, the barrel zone temperature 240-270 ℃ of forcing machine, screw speed is 450rpm;
The 3rd step: the A of the above-mentioned 50kg made material is mixed with the B material of 40kg, through main spout, add in twin screw extruder, the controlled working temperature is at 245-270 ℃, and the screw rod revolution is at 500rpm, and after melting, extruding pelletization obtains polytetrafluoroethylmodified modified nylon PA66 particle material.
Embodiment 2
The polytetrafluoroethylmodified modified nylon PA66 particle material made with embodiment 1, prepare the connector sheet type plug boot DJ7135-3-11 on automobile, comprises the following steps:
(1) after polytetrafluoroethylmodified modified nylon PA66 particle material and the yellowish green toner of 1.5g mix by 25kg, add dryer, under 100-120 ℃, dry 5h,
(2) temperature of injection moulding machine heating zone is set: 285 ± 5 ℃ of first paragraphs, 280 ± 5 ℃ of second segments, the 3rd section 270 ± 5 ℃, the 4th section 265 ± 5 ℃, the 5th section 260 ± 5 ℃;
(3) join in injection moulding machine by dried starting material, injection moulding section molding technique parameter be set:
A, first paragraph adopt the mesolow of 35-40Mpa, the medium velocity injection of 45-55m/s, and be 1.0-1.5 second inject time, and injection glue amount is to the 78-80% of product;
B, second segment adopt the mesolow of 30-35Mpa, the medium velocity injection of 45-55m/s, and be 0.5-1.0 second inject time, and injection glue amount is to 100% of water port of product, and then injection moulding, moulding, the demoulding, obtain the finished product plug boot DJ7135-3-11,
Testing data
The Performance Detection for the plug boot DJ7135-3-11 on automobile that the present invention makes:
Claims (4)
1. a polytetrafluoroethylmodified modified nylon PA66 particle material, is characterized in that, it is mixed in proportion extrusion molding by A material and B material and forms, and the A material is 1-2:1 with the mixed weight ratio of B material, and described A material, B material are obtained by the raw material extrusion granulating of following weight part respectively:
The A material:
Nylon PA66 50-60, ASA resin 15-20, tetrafluoroethylene 10-15,3-aminopropyl trimethoxysilane 0.2-0.5, Union carbide A-162 0.3-0.5, antioxidant 1010 0.1-0.6, anti ultraviolet agent 0.1-0.4, polycaprolactone 2-5, polyethylene wax 1-2, modified Nano powder 5-10
Described modified Nano powder is made by following method: after calcium carbonate, celestite powder, feldspar in powder equal proportion are mixed, at 600-700 ℃ of lower scaling loss 4-5 hour, then grind to form nanometer powder, admix the Di(dioctylpyrophosphato) ethylene titanate agitating that is equivalent to powder weight 3-5% even, dry, be ground into powder;
The B material:
Nylon PA6 60-70, ASA resin 10-15, tetrafluoroethylene 5-10, oxidation inhibitor 1035 0.1-0.3, ABS high glue powder 2-3, SAN 6-8, polycaprolactone 2-5, vinyl three ('beta '-methoxy oxyethyl group) silane 0.20-0.4, phenyl triethoxysilane 0.3-0.7, two Lauryl Alcohol ester 0.5-1, ethylene bis stearamide 1-2, modified meerschaum 5-10
Described modified meerschaum is made by following method: first use 15-20% salt acid soak attapulgite 1-2 hour, and standing, clarification, centrifugal, solid washes with water to neutrality, after oven dry, add the vinyltriethoxysilane agitating that is equivalent to solid weight 3-5% even, dry, be ground into powder
.
2. the preparation method of polytetrafluoroethylmodified modified nylon PA66 particle material as claimed in claim 1, is characterized in that, comprises the following steps:
The first step prepares the A material:
Take each formula material by formula rate;
By the starting material that weigh up, after mixing, suck dry bucket, under 90-100 ℃, dry 4-6 hour;
When the water content of compound is less than 0.2%, the dry end;
After dried mixture is adopted to the twin screw extruder melting, extruding pelletization obtains the A material, the barrel zone temperature 245-280 ℃ of forcing machine, and screw speed is 190-550rpm;
Second step prepares the B material: adopt with the identical technique of A material and carry out granulation;
The 3rd step A material and B material mixing granulation:
The A material that first two steps are made and B material, after mixing according to the weight ratio of 1-2:1, extrusion granulating, obtain final polytetrafluoroethylmodified modified nylon PA66 particle material.
3. polytetrafluoroethylmodified modified nylon PA66 particle material according to claim 1 is applied on automobile, prepares connector sheet type sheath plug boot DJ7135-3-11.
4. polytetrafluoroethylmodified modified nylon PA66 particle material according to claim 3 is applied on automobile, prepares the preparation method of connector sheet type sheath plug boot DJ7135-3-11, it is characterized in that, comprises the following steps:
(1) after polytetrafluoroethylmodified modified nylon PA66 particle material and yellowish green toner are mixed in proportion, add dryer, under 100-120 ℃, dry 4-6h, the mixed weight of nylon PA66 particle material and yellowish green toner is than being (kg/g) 24-26:1.4-1.6;
(2) temperature of injection moulding machine heating zone is set: 285 ± 5 ℃ of first paragraphs, 280 ± 5 ℃ of second segments, the 3rd section 270 ± 5 ℃, the 4th section 265 ± 5 ℃, the 5th section 260 ± 5 ℃;
(3) by dried starting material, join in injection moulding machine, injection moulding, moulding, the demoulding, obtain product, injection moulding section molding technique parameter is set:
A, first paragraph adopt the mesolow of 35-40 Mpa, the medium velocity injection of 45-55m/s, and be 1.0-1.5 second inject time, and injection glue amount is to the 78-80% of product;
B, second segment adopt the mesolow of 30-35 Mpa, the medium velocity injection of 45-55m/s, and be 0.5-1.0 second inject time, and injection glue amount is to 100% of water port of product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210295201.XA CN102977597B (en) | 2012-08-20 | 2012-08-20 | A kind of polytetrafluoroethylmodified modified nylon PA66 particle material and preparation method thereof and the application on automobile |
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| CN201210295201.XA CN102977597B (en) | 2012-08-20 | 2012-08-20 | A kind of polytetrafluoroethylmodified modified nylon PA66 particle material and preparation method thereof and the application on automobile |
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| CN102977597B CN102977597B (en) | 2015-08-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103642234A (en) * | 2013-11-18 | 2014-03-19 | 安徽宜万丰电器有限公司 | Anti-ultraviolet modified nylon 66 material for automobile plastic members |
| CN103756094A (en) * | 2014-01-10 | 2014-04-30 | 安徽瑞升电气科技有限公司 | Halogen-free flame-retardant polyphenyl ether cable material |
| WO2014187803A1 (en) * | 2013-05-23 | 2014-11-27 | Styrolution Group Gmbh | Thermoplastic moulding composition with water-repellent properties |
| CN111574826A (en) * | 2020-04-27 | 2020-08-25 | 浙江巨化新材料研究院有限公司 | Polytetrafluoroethylene master batch for nylon modification and preparation method thereof |
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| CN101845197A (en) * | 2009-03-25 | 2010-09-29 | 上海锦湖日丽塑料有限公司 | High-performance halogen-free flame retardant ABS modified resin and preparation method thereof |
| CN102516699A (en) * | 2011-12-07 | 2012-06-27 | 广州合成材料研究院有限公司 | ABS (Acrylonitrile Butadiene Styrene) weather-resistant and anti-ageing functional master batch |
| CN102602974A (en) * | 2012-03-23 | 2012-07-25 | 重庆元和精细化工有限公司 | Method for producing less-barium fine strontium salts from celestite |
| CN102617038A (en) * | 2012-03-27 | 2012-08-01 | 中国地质大学（武汉） | Method of using potassium feldspar ore as raw materials and directly sintering potassium feldspar ore to prepare glass ceramics |
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| CN101845197A (en) * | 2009-03-25 | 2010-09-29 | 上海锦湖日丽塑料有限公司 | High-performance halogen-free flame retardant ABS modified resin and preparation method thereof |
| CN102516699A (en) * | 2011-12-07 | 2012-06-27 | 广州合成材料研究院有限公司 | ABS (Acrylonitrile Butadiene Styrene) weather-resistant and anti-ageing functional master batch |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014187803A1 (en) * | 2013-05-23 | 2014-11-27 | Styrolution Group Gmbh | Thermoplastic moulding composition with water-repellent properties |
| US9809733B2 (en) | 2013-05-23 | 2017-11-07 | Ineos Styrolution Group Gmbh | Thermoplastic moulding composition with water-repellent properties |
| CN103642234A (en) * | 2013-11-18 | 2014-03-19 | 安徽宜万丰电器有限公司 | Anti-ultraviolet modified nylon 66 material for automobile plastic members |
| CN103756094A (en) * | 2014-01-10 | 2014-04-30 | 安徽瑞升电气科技有限公司 | Halogen-free flame-retardant polyphenyl ether cable material |
| CN111574826A (en) * | 2020-04-27 | 2020-08-25 | 浙江巨化新材料研究院有限公司 | Polytetrafluoroethylene master batch for nylon modification and preparation method thereof |
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| CN102977597B (en) | 2015-08-12 |
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