CN102977598B - Nylon PA66 particle material of a kind of PBT modification and preparation method thereof and the application on automobile - Google Patents
Nylon PA66 particle material of a kind of PBT modification and preparation method thereof and the application on automobile Download PDFInfo
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- CN102977598B CN102977598B CN201210295411.9A CN201210295411A CN102977598B CN 102977598 B CN102977598 B CN 102977598B CN 201210295411 A CN201210295411 A CN 201210295411A CN 102977598 B CN102977598 B CN 102977598B
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- 239000000463 material Substances 0.000 title claims abstract description 54
- 239000004677 Nylon Substances 0.000 title claims abstract description 36
- 229920001778 nylon Polymers 0.000 title claims abstract description 36
- 230000004048 modification Effects 0.000 title claims abstract description 27
- 239000002245 particle Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims description 11
- 238000002715 modification method Methods 0.000 title description 4
- 238000012986 modification Methods 0.000 claims abstract description 23
- 238000001746 injection moulding Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 239000003292 glue Substances 0.000 claims abstract description 7
- 238000005453 pelletization Methods 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 229910052624 sepiolite Inorganic materials 0.000 claims description 8
- 235000019355 sepiolite Nutrition 0.000 claims description 8
- 239000007858 starting material Substances 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- 239000011858 nanopowder Substances 0.000 claims description 6
- 229920001610 polycaprolactone Polymers 0.000 claims description 6
- 239000004632 polycaprolactone Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000011363 dried mixture Substances 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 4
- 230000003179 granulation Effects 0.000 claims description 4
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- KOEFSMLBFZGZLD-UHFFFAOYSA-L [bis(2-ethylhexoxy)-oxidophosphaniumyl] dihydrogen phosphate [bis(2-ethylhexoxy)-oxidophosphaniumyl] phosphate ethane-1,2-diolate titanium(4+) Chemical compound [Ti+4].[O-]CC[O-].CCCCC(CC)CO[P+]([O-])(OCC(CC)CCCC)OP(O)(O)=O.CCCCC(CC)CO[P+]([O-])(OCC(CC)CCCC)OP([O-])([O-])=O KOEFSMLBFZGZLD-UHFFFAOYSA-L 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 229910052923 celestite Inorganic materials 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000005352 clarification Methods 0.000 claims description 3
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 3
- 239000010433 feldspar Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- UBXAKNTVXQMEAG-UHFFFAOYSA-L strontium sulfate Chemical compound [Sr+2].[O-]S([O-])(=O)=O UBXAKNTVXQMEAG-UHFFFAOYSA-L 0.000 claims description 3
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 claims description 3
- JCVQKRGIASEUKR-UHFFFAOYSA-N triethoxy(phenyl)silane Chemical compound CCO[Si](OCC)(OCC)C1=CC=CC=C1 JCVQKRGIASEUKR-UHFFFAOYSA-N 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 244000287680 Garcinia dulcis Species 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 239000004113 Sepiolite Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000004033 plastic Substances 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 2
- 229960000892 attapulgite Drugs 0.000 description 2
- 229910052625 palygorskite Inorganic materials 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 235000010215 titanium dioxide Nutrition 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of nylon PA66 particle material of PBT modification, to be expected by the A of the nylon PA66 of PBT modification 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, nylon PA66 particle material being specifically related to a kind of PBT 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, 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, nylon PA66 particle material that the object of the present invention is to provide a kind of PBT modification 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 nylon PA66 particle material for PBT 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 PA6650-60, ASA resin 15-20, PBT10-15,3-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 PA6660-70, ASA resin 10-15, oxidation inhibitor 10350.1-0.3, 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 the nylon PA66 particle material of described PBT modification, is characterized in that, comprise 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 0.3%, dry end;
(4) adopt twin screw extruder to carry out extruding pelletization, the barrel zone temperature 230-260 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 PBT modification.
The nylon PA66 particle material of described PBT modification is applied on automobile, prepares connector flap-type plug boot DJ7061-6.0-21.
The nylon PA66 particle material of described PBT modification is applied on automobile, prepares the preparation method of connector flap-type plug boot DJ7061-6.0-21, it is characterized in that, comprise the following steps:
(1) after the nylon PA66 particle material of PBT modification and yellowish green toner being mixed in proportion, add dryer, at 100-120 DEG C, dry 4-6h, nylon PA66 particle material and yellow powder, titanium dioxide is pro rata mixes, and mixed weight is than being (kg/g/g) 24-26:30:10;
(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 260 ± 5 DEG C, the 4th section 255 ± 5 DEG C, the 5th section 250 ± 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 be set:
A, first paragraph adopt the middle pressure of 45-50Mpa, 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 middle pressure of 55-60Mpa, 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 PBT modification 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, has surface smoothness high, good toughness, intensity advantages of higher, insulativity is excellent, and heat-resistant aging is good, constant product quality, qualification rate is high, improves production efficiency, reduces production cost.
Embodiment
Embodiment 1
The nylon PA66 particle material of preparation PBT modification, concrete steps are:
The first step: preparation A material (kg):
Take nylon PA6650, ASA resin 15, PBT15,3-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 90-100 DEG C DEG C, dry 4-6 hour;
When the water content of compound is less than 0.3%, dry end;
Adopt twin screw extruder to carry out extruding pelletization dried mixture, obtain A material, the barrel zone temperature 230-260 DEG C of forcing machine, screw speed is 480rpm;
Second step prepares B material (kg):
Take nylon PA6665, ASA resin 10, oxidation inhibitor 10350.2, 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 90-100 DEG C, dry 4-6 hour;
When the water content of compound is less than 0.3%, 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 PBT modification.
Embodiment 2
The nylon PA66 particle material of the PBT modification obtained by embodiment 1, prepare the connector flap-type plug boot DJ7061-6.0-21 on automobile, comprise the following steps:
(1), after the nylon PA66 particle material of 25kgPBT modification and the yellow powder of 30g, 10 titanium dioxides 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 middle pressure of 45-50Mpa, 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 middle pressure of 55-60Mpa, 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 DJ7061-6.0-21,
Testing data
The Performance Detection of the plug boot DJ7061-6.0-21 on automobile that the present invention obtains:
Claims (3)
1. a nylon PA66 particle material for PBT 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 PA6650-60, ASA resin 15-20, PBT10-15,3-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 PA6660-70, ASA resin 10-15, oxidation inhibitor 10350.1-0.3, 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 sepiolite 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
.
2. the preparation method of the nylon PA66 particle material of PBT 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 0.3%, dry end;
Adopt twin screw extruder to carry out extruding pelletization, the barrel zone temperature 230-260 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 nylon particle material of final PBT modification.
3. the nylon PA66 particle material of PBT modification according to claim 1 is for the preparation of the purposes of automobile connector flap-type plug boot DJ7061-6.0-21, it is characterized in that, comprises following preparation process:
(1) after the nylon PA66 particle material of PBT modification and yellowish green toner being mixed in proportion, add dryer, at 100-120 DEG C, dry 4-6h, nylon PA66 particle material and yellow powder, titanium dioxide is pro rata mixes, and mixed weight counts 24-26:30:10 than with kg/g/g;
(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 260 ± 5 DEG C, the 4th section 255 ± 5 DEG C, the 5th section 250 ± 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 be set:
A, first paragraph adopt the middle pressure of 45-50MPa, 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 middle pressure of 55-60MPa, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210295411.9A CN102977598B (en) | 2012-08-20 | 2012-08-20 | Nylon PA66 particle material of a kind of PBT modification and preparation method thereof and the application on automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN104046004A (en) * | 2014-05-19 | 2014-09-17 | 安徽安缆模具有限公司 | Chemical-attack-resistant nylon composite for automobile water chamber and preparation method thereof |
| CN104046014A (en) * | 2014-05-19 | 2014-09-17 | 安徽安缆模具有限公司 | Halogen-free flame-retardant automobile nylon composite and preparation method thereof |
| CN104046011A (en) * | 2014-05-19 | 2014-09-17 | 安徽安缆模具有限公司 | Ageing-resistant nylon composite for automobile engine cylinder cover and preparation method thereof |
| CN104046012A (en) * | 2014-05-19 | 2014-09-17 | 安徽安缆模具有限公司 | High-strength wear-resistant nylon 66 composite for automobile clutch release bearing and preparation method thereof |
| CN104046005A (en) * | 2014-05-19 | 2014-09-17 | 安徽安缆模具有限公司 | Oil-resistant nylon 12 composite for automobile oil pipe and preparation method thereof |
| CN104151819A (en) * | 2014-05-19 | 2014-11-19 | 安徽安缆模具有限公司 | Creep-resisting nylon 46/thermoplastic polyester elastomer composite material for automobiles and preparation method thereof |
| CN105086441A (en) * | 2015-08-25 | 2015-11-25 | 安徽安缆模具有限公司 | Ultraviolet-resistant and weather-resistant nylon material for mudguards of automobiles and method for manufacturing ultraviolet-resistant and weather-resistant nylon material |
| CN105802149A (en) * | 2016-04-14 | 2016-07-27 | 滁州优胜高分子材料有限公司 | Fiber-containing flexible pbt material and preparation method thereof |
| CN110791018A (en) * | 2019-11-21 | 2020-02-14 | 贵阳学院 | Modified sepiolite polymer composite material and preparation method and application thereof |
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Denomination of invention: A PBT modified nylon PA66 particle material and its preparation method and application in automobile Effective date of registration: 20220607 Granted publication date: 20151202 Pledgee: Huizhou Commercial Bank Co.,Ltd. Wuhu Zhongshan South Road Branch Pledgor: Anhui Kaidi Electric Co.,Ltd. Registration number: Y2022980007095 |
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Date of cancellation: 20231130 Granted publication date: 20151202 Pledgee: Huizhou Commercial Bank Co.,Ltd. Wuhu Zhongshan South Road Branch Pledgor: Anhui Kaidi Electric Co.,Ltd. Registration number: Y2022980007095 |