CN102977597B - A kind of polytetrafluoroethylmodified modified nylon PA66 particle material and preparation method thereof and the application on automobile - Google Patents
A kind of polytetrafluoroethylmodified modified nylon PA66 particle material and preparation method thereof and the application on automobile Download PDFInfo
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- CN102977597B CN102977597B CN201210295201.XA CN201210295201A CN102977597B CN 102977597 B CN102977597 B CN 102977597B CN 201210295201 A CN201210295201 A CN 201210295201A CN 102977597 B CN102977597 B CN 102977597B
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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
-
- 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 invention discloses a kind of polytetrafluoroethylmodified modified nylon PA66 particle material, to be expected by the A of polytetrafluoroethylmodified modified nylon PA66 and B expects mixing afterwards extruding pelletization and obtaining, the invention also discloses the application of nylon PA66 particle material on automobile component of the modification of gained, dried modifying material mainly joins in the injection moulding machine that heated up by it, by setting injection pressure, speed, the inject time of the different section of injection moulding machine and injecting glue amount, set the Shooting Technique that last dwell pressure and pressurize speed have reached best simultaneously, obtain final qualified product.With the plastic connector for automobile of the nylon PA66 particle material injection moulding of modification of the present invention, there is surface smoothness high, good toughness, intensity advantages of higher, especially easily demoulding during injection moulding, constant product quality, qualification rate is high, improves production efficiency, reduces production cost.
Description
Technical field
The present invention relates to 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 the progress of society, the usage quantity of automobile is in continuous increase, a lot of junctor on automobile, connect plug-in unit manufactured by nylon and obtain, 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 melts dispersiveness in process altogether, each group partition inter-capacitive is poor, intensity, toughness, erosion resistance is not enough, material cost is higher, demoulding difficulty, surface gloss is poor, processing characteristics is bad, cause unstable product quality, conforming product rate is low, reduce economical efficiency, thus have impact on 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.With the plastic connector for the production of automobile of the nylon PA66 particle material injection moulding of modification of the present invention, connect plug-in unit, have easy-formation, the easy demoulding, the surface smoothness of product is high, good toughness, intensity is high, Shooting Technique stability, products obtained therefrom steady quality, improve production efficiency, reduce production cost.
The present invention adopts following technical scheme to achieve these goals:
A polytetrafluoroethylmodified modified nylon PA66 particle material, it is expected by A and B expects that being mixed in proportion extrusion molding forms, and the mixed weight that A material and B expect is than being 1-2:1, and described A material, B material are obtained by the raw material extrusion granulating of following weight part respectively:
A expects:
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 obtained by following method: after calcium carbonate, celestite powder, the mixing of feldspar in powder equal proportion, scaling loss 4-5 hour at 600-700 DEG C, then nanometer powder is ground to form, admix the Di(dioctylpyrophosphato) ethylene titanate agitating being equivalent to powder weight 3-5% even, dry, be ground into powder;
B expects:
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 obtained by following method: first use 15-20% salt acid soak attapulgite 1-2 hour, leaves standstill, clarification, centrifugal, solid washed with water is extremely neutral, after oven dry, add the vinyltriethoxysilane agitating being 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 A material:
(1) each formula material is taken by formula rate;
(2) starting material will weighed up, after mixing, suck dry bucket, at 90-100 DEG C, and dry 4-6 hour;
(3) when the water content of compound is less than 0.2%, dry end;
(4) after dried mixture being adopted twin screw extruder melting, namely extruding pelletization obtains A material, the barrel zone temperature 245-280 DEG C of forcing machine, and screw speed is 190-550rpm;
Second step prepares B material: the identical technique adopting same A to expect carries out granulation;
3rd step A material expects mixing granulation with B:
(1) by A material obtained for first two steps and B material, after the weight ratio mixing of 1-2:1, extrusion granulating, obtains final polytetrafluoroethylmodified modified nylon PA66 particle material.
Described polytetrafluoroethylmodified modified nylon PA66 particle material is applied on automobile, prepares connector flap-type plug boot DJ7135-3-11.
Described polytetrafluoroethylmodified modified nylon PA66 particle material is applied on automobile, prepares the preparation method of connector flap-type sheath plug boot DJ7135-3-11, it is characterized in that, comprise the following steps:
(1) after polytetrafluoroethylmodified modified nylon PA66 particle material and yellowish green toner being mixed in proportion, add dryer, at 100-120 DEG C, dry 4-6h, nylon PA66 particle material is (kg/g) 24-26:1.4-1.6 with the mixed weight ratio of yellowish green toner;
(2) temperature of injection moulding machine heating zone is set: first paragraph 285 ± 5 DEG C, second segment 280 ± 5 DEG C, the 3rd section 270 ± 5 DEG C, the 4th section 265 ± 5 DEG C, the 5th section 260 ± 5 DEG C;
(3) dried starting material are joined in injection moulding machine, injection moulding, shaping, 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 inject time is 1.0-1.5 second, 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 inject time is 0.5-1.0 second, 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, has good fluidity, easily processes, especially easily demoulding during injection moulding, the surface smoothness high of product, with the plastic connector for automobile of the nylon PA66 particle material injection moulding of modification of the present invention, there is surface smoothness high, good toughness, intensity advantages of higher, especially easily demoulding during injection moulding, constant product quality, qualification rate is high, improve production efficiency, reduce 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, modified Nano powder is obtained by following method: after calcium carbonate, celestite powder, the mixing of feldspar in powder equal proportion, scaling loss 4-5 hour at 600-700 DEG C, then nanometer powder is ground to form, admix the Di(dioctylpyrophosphato) ethylene titanate agitating being equivalent to powder weight 3-5% even, dry, be ground into powder
By the starting material weighed up, after mixing, suck dry bucket, at 75-90 DEG C, dry 4-6 hour;
When the water content of compound is less than 3%, dry end;
By extruding pelletization after the melting of dried mixture employing twin screw extruder, namely obtain A material, the barrel zone temperature 245-280 DEG C 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 obtained by following method: first use 15% salt acid soak attapulgite 2 hours, leaves standstill, clarification, centrifugal, collect solid material, solid material washes with water to neutrality again, after oven dry, add the vinyltriethoxysilane agitating being equivalent to solid weight 4% even, dry, be ground into powder, modified meerschaum can be obtained
By the starting material weighed up, after mixing, suck dry bucket, at 80-95 DEG C, dry 4-6 hour;
When the water content of compound is less than 3%, dry end;
Adopt twin screw extruder to carry out extruding pelletization after melting dried mixture, obtain B material, the barrel zone temperature 240-270 DEG C of forcing machine, screw speed is 450rpm;
3rd step: the A of above-mentioned obtained 50kg material is expected to mix with the B of 40kg, add in twin screw extruder through main spout, controlled working temperature is at 245-270 DEG C, and screw rod revolution is at 500rpm, and after melting, namely extruding pelletization obtains polytetrafluoroethylmodified modified nylon PA66 particle material.
Embodiment 2
With the polytetrafluoroethylmodified modified nylon PA66 particle material that embodiment 1 is obtained, prepare the connector flap-type plug boot DJ7135-3-11 on automobile, comprise the following steps:
(1), after nylon PA66 particle material polytetrafluoroethylmodified modified for 25kg and the yellowish green toner of 1.5g being mixed, add dryer, at 100-120 DEG C, dry 5h,
(2) temperature of injection moulding machine heating zone is set: first paragraph 285 ± 5 DEG C, second segment 280 ± 5 DEG C, the 3rd section 270 ± 5 DEG C, the 4th section 265 ± 5 DEG C, the 5th section 260 ± 5 DEG C;
(3) dried starting material are joined in injection moulding machine, injection moulding section molding technique parameter are set:
A, first paragraph adopt the mesolow of 35-40Mpa, the medium velocity injection of 45-55m/s, and inject time is 1.0-1.5 second, 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 inject time is 0.5-1.0 second, and injection glue amount is to 100% of water port of product, and then injection moulding, shaping, the demoulding, obtain the finished product plug boot DJ7135-3-11,
Testing data
The Performance Detection of the plug boot DJ7135-3-11 on automobile that the present invention obtains:
Claims (3)
1. a polytetrafluoroethylmodified modified nylon PA66 particle material, it is characterized in that, it is expected by A and B expects that being mixed in proportion extrusion molding forms, the mixed weight that A material and B expect is than being 1-2:1, described A material, B material is obtained by the raw material extrusion granulating of following weight part respectively: A expects: 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 obtained by following method: by calcium carbonate, celestite powder, after the mixing of feldspar in powder equal proportion, scaling loss 4-5 hour at 600-700 DEG C, then nanometer powder is ground to form, admix the Di(dioctylpyrophosphato) ethylene titanate agitating being equivalent to powder weight 3-5% even, dry, be ground into powder, B expects: 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 material 5-10, described modified material is obtained by following method: first use 15-20% salt acid soak attapulgite 1-2 hour, leave standstill, clarification, centrifugal, solid washed with water is to neutral, after oven dry, add the vinyltriethoxysilane agitating being equivalent to solid weight 3-5% even, dry, be ground into powder.
2. the preparation method of nylon PA66 particle material polytetrafluoroethylmodified modified as claimed in claim 1, is characterized in that, comprise the following steps: the first step prepares A material: take each formula material by formula rate; By the starting material weighed up, after mixing, suck dry bucket, at 90-100 DEG C, dry 4-6 hour; When the water content of compound is less than 0.2%, dry end; After dried mixture is adopted twin screw extruder melting, namely extruding pelletization obtains A material, the barrel zone temperature 245-280 DEG C of forcing machine, and screw speed is 190-550rpm; Second step prepares B material: the identical technique adopting same A to expect carries out granulation; 3rd step A material expect mixing granulation with B: expected by A obtained for first two steps and B expects, after mixing according to the weight ratio of 1-2:1, extrusion granulating, obtains final polytetrafluoroethylmodified modified nylon PA66 particle material.
3. polytetrafluoroethylmodified modified nylon PA66 particle material according to claim 1 is applied on automobile, prepares connector flap-type sheath plug boot DJ7135-3-11; Prepare the preparation method of connector flap-type sheath plug boot DJ7135-3-11, comprise the following steps: after polytetrafluoroethylmodified modified nylon PA66 particle material and yellowish green toner mix in proportion by (1), add dryer, at 100-120 DEG C, dry 4-6h, nylon PA66 particle material counts 24-26:1.4-1.6 with the mixed weight of yellowish green toner than with kg/g; (2) temperature of injection moulding machine heating zone is set: first paragraph 285 ± 5 DEG C, second segment 280 ± 5 DEG C, the 3rd section 270 ± 5 DEG C, the 4th section 265 ± 5 DEG C, the 5th section 260 ± 5 DEG C; (3) dried starting material are joined in injection moulding machine, injection moulding, shaping, 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, inject time is 1.0-1.5 second, 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 inject time is 0.5-1.0 second, and injection glue amount is to 100% of water port of product.
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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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| WO2014187803A1 (en) * | 2013-05-23 | 2014-11-27 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
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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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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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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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