CN102993690B - ABS-modified nylon PA66 particle material and preparation method and application thereof to automobile - Google Patents
ABS-modified nylon PA66 particle material and preparation method and application thereof to automobile Download PDFInfo
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- CN102993690B CN102993690B CN201210294932.2A CN201210294932A CN102993690B CN 102993690 B CN102993690 B CN 102993690B CN 201210294932 A CN201210294932 A CN 201210294932A CN 102993690 B CN102993690 B CN 102993690B
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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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an ABS (Acrylonitrile Butadiene Styrene)-modified nylon PA66 particle material formed by extruding and pelleting a mixture of an A material and a B material of the modified nylon PA66. The invention further discloses an application of the modified nylon PA66 particle material to an automobile component. A preparation method mainly comprises the following steps: feeding a modified material which is dried into an injection molding machine with rising temperature; setting the injection pressure, the injection velocity, the injection time and the glue injection quantity of the injection molding machine in different phases; and setting the final pressure-holding pressure and the final pressure-holding velocity to reach the best injection molding process, thereby obtaining a final finished product. A plastic connector for an automobile, which is formed in a manner of injection molding of the modified nylon PA66 particle material, has the characteristics of high surface finish, good toughness, high intensity, good fire resistance and the like. In addition, the injection molding process is stable, and the obtained product has stable quality and has a high percent of pass. Therefore, the production efficiency is improved, and the production cost is lowered.
Description
Technical field
The present invention relates to engineering plastics field, nylon PA66 particle material being specifically related to a kind of ABS modification 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, on automobile, mostly a lot of spare and accessory parts are manufactured by nylon and obtain, the connection plug that wherein system signal transmits is had plenty of plastic cement and squeezes in, conductive contact assembly is provided with in plastic cement is squeezed in, the other end of squeezing at plastic cement is provided with a plastics connection plug-in unit, 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, thus have impact on the performance of automobile.
Summary of the invention
In order to alleviate shortcomings and deficiencies of the prior art, nylon PA66 particle material that the object of the present invention is to provide a kind of ABS modification and preparation method thereof and the application on auto parts machinery.With the plastic connector for automobile of the nylon PA66 particle material injection moulding of modification of the present invention, there is easy-formation, the easy demoulding, the surface smoothness of product is high, good toughness, intensity high, Shooting Technique stability, products obtained therefrom steady quality, improves production efficiency, reduces production cost.
The present invention adopts following technical scheme to achieve these goals:
A nylon PA66 particle material for ABS modification, 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 PA66 30-40, ABS resin 30-40, polycarbonate 10-15, aminopropyl triethoxysilane 0.2-0.5, Union carbide A-162 0.3-0.5, antioxidant 1010 0.1-0.6, pentanoic 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 PA8 60-70, ABS resin 10-15, poly-4-methyl-1-pentene 5-10, oxidation inhibitor 1035 oxidation inhibitor 1035 0.1-0.3, ABS high glue powder 2-3, SAN 6-8, polycaprolactone 2-5, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 0.20-0.4, aluminate coupling agent DL-411 0.3-0.7, two Lauryl Alcohol ester 0.5-1, ethylene bis stearamide 1-2, attapulgite modified 5-10%
Described attapulgite modifiedly to be obtained by following method: first use 15-20% salt acid soak attapulgite 1-2 hour, leave 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 the nylon PA66 particle material of described ABS modification, 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) adopt twin screw extruder to carry out extruding pelletization, the barrel zone temperature 245-280 DEG C of forcing machine dried mixture, 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 the High impact nylon particle material of final ABS modification.
The nylon PA66 particle material of described ABS modification is applied on automobile, prepares connector flap-type sheath plug boot DJ7021-6.3-11.
The nylon PA66 particle material of described ABS modification is applied on automobile, prepares the preparation method of connector flap-type sheath plug boot DJ7021-6.3-11, it is characterized in that, comprise the following steps:
(1) after the nylon PA66 particle material of ABS modification and titanium dioxide, yellow powder being mixed in proportion, add dryer, at 100-120 DEG C, dry 4-6h, nylon PA66 particle material is (kg/g/g) 24-26:30:10 with the mixed weight ratio of titanium dioxide, yellow powder;
(2) temperature of injection moulding machine heating zone is set: first paragraph 275 ± 5 DEG C, second segment 270 ± 5 DEG C, the 3rd section 265 ± 5 DEG C DEG C, the 4th section 260 ± 5 DEG C, the 5th section 255 ± 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 35-40 Mpa, 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 30-35 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.
Beneficial effect of the present invention:
The nylon PA66 particle material of ABS modification prepared by the inventive method, has good fluidity, easily processes, easy 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, the features such as intensity is high, good flame resistance, Shooting Technique is stablized simultaneously, constant product quality, and qualification rate is high, improve production efficiency, reduce production cost.
Embodiment
Embodiment 1
The nylon PA66 particle material of preparation ABS modification, concrete steps are:
The first step: preparation A material (kg):
Take nylon PA66 30, ABS resin 40, polycarbonate 15, aminopropyl triethoxysilane 0.2, Union carbide A-162 0.4, antioxidant 1010 0.2, pentanoic 0.3, polycaprolactone 2, polyethylene wax 1.5, modified Nano powder 6,
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;
Adopt twin screw extruder to carry out extruding pelletization dried mixture, 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 PA8 65, ABS resin 10, poly-4-methyl-1-pentene 5, oxidation inhibitor 1,035 0.2, ABS high glue powder 2, SAN 6, polycaprolactone 2, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 0.2, aluminate coupling agent DL-411 0.4, two Lauryl Alcohol ester 0.6, ethylene bis stearamide 1.5, attapulgite modified 8
Wherein, attapulgite modifiedly to be obtained by following method: first use 10% salt acid soak attapulgite 2 hours, leave 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, can obtain attapulgite modified
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;
Adopt twin screw extruder to carry out extruding pelletization 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 the nylon PA66 particle material of ABS modification.
Embodiment 2
The nylon PA66 particle material of the ABS modification obtained by embodiment 1, prepare the connector flap-type plug boot DJ7021-6.3-11 on automobile, comprise the following steps:
(1), after the nylon PA66 particle material of 25kgABS modification and 30g titanium dioxide, the yellow powder of 10g being mixed, add dryer, at 100-120 DEG C, dry 6h,
(2) temperature of injection moulding machine heating zone is set: first paragraph 275 ± 5 DEG C, second segment 270 ± 5 DEG C, the 3rd section 265 ± 5 DEG C DEG C, the 4th section 260 ± 5 DEG C, the 5th section 255 ± 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 35-40 Mpa, 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 30-35 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, and then injection moulding, shaping, the demoulding, obtain the finished product plug boot DJ7021-6.3-11.
Testing data
The Performance Detection of the plug boot DJ7021-6.3-11 on automobile that the present invention obtains:
Claims (4)
1. a nylon PA66 particle material for ABS modification, is characterized in that: 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 PA66 30-40, ABS resin 30-40, polycarbonate 10-15, aminopropyl triethoxysilane 0.2-0.5, Union carbide A-162 0.3-0.5, antioxidant 1010 0.1-0.6, pentanoic 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 PA8 60-70, ABS resin 10-15, poly-4-methyl-1-pentene 5-10, oxidation inhibitor 1035 0.1-0.3, ABS high glue powder 2-3, SAN 6-8, polycaprolactone 2-5, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 0.20-0.4, aluminate coupling agent DL-411 0.3-0.7, two Lauryl Alcohol ester 0.5-1, ethylene bis stearamide 1-2, attapulgite modified 5-10
Described attapulgite modifiedly to be obtained by following method: first use 15-20% salt acid soak attapulgite 1-2 hour, leave 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
.
2. the preparation method of the nylon PA66 particle material of ABS modification as claimed in claim 1, is characterized in that, comprise the following steps:
The first step prepares A material:
Each formula material is taken 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;
Adopt twin screw extruder to carry out extruding pelletization, the barrel zone temperature 245-280 DEG C of forcing machine dried mixture, 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:
By A material obtained for first two steps and B material, after the weight ratio mixing of 1-2:1, extrusion granulating, obtains the High impact nylon particle material of final ABS modification.
3. the nylon PA66 particle material of ABS modification according to claim 1 is applied on automobile, prepares connector flap-type plug boot DJ7021-6.3-11.
4. the nylon PA66 particle material of ABS modification according to claim 3 is applied on automobile, prepares the preparation method of connector flap-type plug boot DJ7021-6.3-11, it is characterized in that, comprise the following steps:
(1) after the nylon PA66 particle material of ABS modification and titanium dioxide, yellow powder being mixed in proportion, add dryer, at 100-120 DEG C, dry 4-6h, nylon PA66 particle material is (kg/g/g) 24-26:30:10 with the mixed weight ratio of titanium dioxide, yellow powder;
(2) temperature of injection moulding machine heating zone is set: first paragraph 275 ± 5 DEG C, second segment 270 ± 5 DEG C, the 3rd section 265 ± 5 DEG C DEG C, the 4th section 260 ± 5 DEG C, the 5th section 255 ± 5 DEG C;
(3) dried starting material are joined in the injection moulding machine set, injection moulding, shaping, the demoulding, processing parameter when injection moulding section is shaping:
A, first paragraph adopt the mesolow of 35-40 Mpa, 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 30-35 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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CN201210294932.2A CN102993690B (en) | 2012-08-20 | 2012-08-20 | ABS-modified nylon PA66 particle material and preparation method and application thereof to automobile |
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CN103589140A (en) * | 2013-10-29 | 2014-02-19 | 安徽安缆模具有限公司 | Flame retardant ABS modified nylon PA12 material for automobile connectors |
CN103642229A (en) * | 2013-11-18 | 2014-03-19 | 安徽宜万丰电器有限公司 | Calcium carbonate modified nylon 66 material for automobile plastic members |
CN109651753A (en) * | 2018-11-30 | 2019-04-19 | 金旸(厦门)新材料科技有限公司 | A kind of ABS/PA/PC acoustic absorption composite material, preparation method and applications |
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CN1980988A (en) * | 2004-05-04 | 2007-06-13 | 通用电气公司 | Halogen-free flame retardant polyamide composition with improved electrical and flammability properties |
CN101130630A (en) * | 2006-08-22 | 2008-02-27 | 东丽纤维研究所(中国)有限公司 | Polyamide composition for high impact thick wall product |
CN102408706A (en) * | 2011-11-23 | 2012-04-11 | 安徽宜万丰电器有限公司 | Multi-component plastic connector and manufacturing method thereof |
CN102516641A (en) * | 2011-11-23 | 2012-06-27 | 安徽宜万丰电器有限公司 | Plastic bracket for automobile and manufacturing method thereof |
CN102604219A (en) * | 2012-03-12 | 2012-07-25 | 东莞市兆科电子材料科技有限公司 | Preparation method of high-heat-conduction thermal-plasticizing inorganic substance composition and heat-dissipation part manufactured by method |
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JP2003340890A (en) * | 2002-05-29 | 2003-12-02 | Sumitomo Heavy Ind Ltd | Method for molding foamed molding and injection molding machine |
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Patent Citations (5)
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CN1980988A (en) * | 2004-05-04 | 2007-06-13 | 通用电气公司 | Halogen-free flame retardant polyamide composition with improved electrical and flammability properties |
CN101130630A (en) * | 2006-08-22 | 2008-02-27 | 东丽纤维研究所(中国)有限公司 | Polyamide composition for high impact thick wall product |
CN102408706A (en) * | 2011-11-23 | 2012-04-11 | 安徽宜万丰电器有限公司 | Multi-component plastic connector and manufacturing method thereof |
CN102516641A (en) * | 2011-11-23 | 2012-06-27 | 安徽宜万丰电器有限公司 | Plastic bracket for automobile and manufacturing method thereof |
CN102604219A (en) * | 2012-03-12 | 2012-07-25 | 东莞市兆科电子材料科技有限公司 | Preparation method of high-heat-conduction thermal-plasticizing inorganic substance composition and heat-dissipation part manufactured by method |
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