CN109836786A - A kind of PC/ASA/PBT alloy material and preparation method thereof for 3D printing - Google Patents
A kind of PC/ASA/PBT alloy material and preparation method thereof for 3D printing Download PDFInfo
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- CN109836786A CN109836786A CN201910161693.5A CN201910161693A CN109836786A CN 109836786 A CN109836786 A CN 109836786A CN 201910161693 A CN201910161693 A CN 201910161693A CN 109836786 A CN109836786 A CN 109836786A
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- 238000010146 3D printing Methods 0.000 title claims description 19
- 238000002360 preparation method Methods 0.000 title claims description 13
- 239000011347 resin Substances 0.000 claims abstract description 31
- 229920005989 resin Polymers 0.000 claims abstract description 31
- 229910002058 ternary alloy Inorganic materials 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 15
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- 239000002131 composite material Substances 0.000 claims description 28
- 238000001125 extrusion Methods 0.000 claims description 27
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- 239000012964 benzotriazole Substances 0.000 claims description 7
- 150000002148 esters Chemical class 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
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- 238000005303 weighing Methods 0.000 claims description 6
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- 239000000155 melt Substances 0.000 claims description 5
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 claims description 5
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 claims description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 5
- 229920002554 vinyl polymer Polymers 0.000 claims description 5
- RGASRBUYZODJTG-UHFFFAOYSA-N 1,1-bis(2,4-ditert-butylphenyl)-2,2-bis(hydroxymethyl)propane-1,3-diol dihydroxyphosphanyl dihydrogen phosphite Chemical group OP(O)OP(O)O.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)C(O)(C(CO)(CO)CO)C1=C(C=C(C=C1)C(C)(C)C)C(C)(C)C RGASRBUYZODJTG-UHFFFAOYSA-N 0.000 claims description 4
- CAPNUXMLPONECZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-2-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=C(O)C(C(C)(C)C)=C1 CAPNUXMLPONECZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229930185605 Bisphenol Natural products 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 229920000578 graft copolymer Polymers 0.000 claims description 2
- 229920001897 terpolymer Polymers 0.000 claims description 2
- WUBBRNOQWQTFEX-UHFFFAOYSA-N 4-aminosalicylic acid Chemical compound NC1=CC=C(C(O)=O)C(O)=C1 WUBBRNOQWQTFEX-UHFFFAOYSA-N 0.000 claims 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 3
- GTDHYNXLIKNVTJ-UHFFFAOYSA-N n-(1-hydroxy-2-methylpropan-2-yl)octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NC(C)(C)CO GTDHYNXLIKNVTJ-UHFFFAOYSA-N 0.000 claims 1
- PFNROQCAJVOSIR-UHFFFAOYSA-N oxiran-2-ylmethyl 2-methylprop-2-enoate;5-phenylpenta-2,4-dienenitrile Chemical compound CC(=C)C(=O)OCC1CO1.N#CC=CC=CC1=CC=CC=C1 PFNROQCAJVOSIR-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 239000000203 mixture Substances 0.000 abstract description 5
- 238000007639 printing Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 7
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 6
- 238000010621 bar drawing Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 description 4
- GXURZKWLMYOCDX-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)propane-1,3-diol;dihydroxyphosphanyl dihydrogen phosphite Chemical class OP(O)OP(O)O.OCC(CO)(CO)CO GXURZKWLMYOCDX-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 229920006351 engineering plastic Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- 229920006778 PC/PBT Polymers 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical class OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 description 1
- 239000003519 biomedical and dental material Substances 0.000 description 1
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- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
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- 239000000843 powder Substances 0.000 description 1
- QMRNDFMLWNAFQR-UHFFFAOYSA-N prop-2-enenitrile;prop-2-enoic acid;styrene Chemical compound C=CC#N.OC(=O)C=C.C=CC1=CC=CC=C1 QMRNDFMLWNAFQR-UHFFFAOYSA-N 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
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Abstract
The invention discloses a kind of PC ASA PBT ternary-alloy material, which is made of following raw materials according: 40-60 parts of PBT；20-30 parts of PC；5-10 parts of ASA；3-10 parts of compatilizer；0.1-1 parts of antioxidant；0.1-0.6 parts of lubricant；0.1-0.6 parts of dispersing agent；0.3-2 parts of light absorber.Ternary alloy three-partalloy mixture is made in PC, ABS, PBT blending by the present invention, weatherability, the dimensional stability of the existing ASA of obtained alloy material, simultaneously but also with the high impact resistance of PC and the excellent in performance of PBT resin, can directly on the FDM printer of current market prevalence printer model, and not alice in model print procedure, it has excellent weather resistance after the completion of printing, can be used for outdoor products and automobile corresponding component, have a extensive future.
Description
Technical field
The invention belongs to blending and modifying polymeric material fields, more particularly, to a kind of PC/ASA/PBT for 3D printing
Alloy material.
Background technique
Fused glass pellet (FDM) is one kind of 3D printing technique, be based on digital model file, with plastics or
Metal powder etc. can adhering characteristic, construct the rapid prototyping technology of object by layer-by-layer printing.In product prototype system
Make, be widely used in terms of mold manufacture, bio-medical material preparation and 3D printer family oriented.ABS plastic is because of it
Have many advantages, such as that heat-resisting, low temperature resistant, shock resistance, product size is stable, lustrous surface is good, easy coloring, it is most normal to become 3D printing
With one of raw material.But the product of ABS plastic printing shaping equally exists various bottleneck problems, as layer adhesion strength is low, smell is big,
Weatherability is poor, easy buckling deformation, mechanical property are obvious lower than traditional injection moulding technique, mechanics anisotropy.
Acrylonitrile-acrylate-styrene terpolymer (ASA) is to be directed to the disadvantage of ABS weatherability difference and develop
Engineering plastics.It has good toughness, weatherability, ultraviolet resistance and processable type energy, but other mechanical properties are poor.
PC resin impact strength with higher, PBT are a kind of thermoplastic engineering plastics of high comprehensive performance, are had good
Good mechanical strength and chemical reagent resistance outstanding.Good fluidity, crystallization rate are fast simultaneously.PC, ABS, PBT blending are made
Ternary alloy three-partalloy mixture, weatherability, the dimensional stability of the existing ASA of prepared alloy material, while but also with the highly resistance of PC
The excellent in performance of impact property and PBT resin, has a extensive future.
Summary of the invention
In order to overcome the drawbacks of the prior art, the purpose of the present invention is to provide a kind of PC/ASA/PBT for 3D printing
Alloy material.
To achieve the goals above, the technical solution used in the present invention are as follows:
A kind of PC ASA PBT ternary-alloy material, which is made of following raw materials according:
Preferably, which is made of following raw materials according:
Preferably, which is made of following raw materials according:
Preferably, the PC resin is bisphenol A-type aromatic copolycarbonate, average molecular weight 25000-40000g/
mol；The melt flow rate (MFR) of the PBT resin is in 10-15g/10mim；The melt flow rate (MFR) of the ASA resin is in 10-
20g/10min。
Preferably, the compatilizer is phenylethylene-maleic anhydride graft copolymer (SMA), styrene-acrylonitrile-methyl
One in glycidyl acrylate terpolymer (SAG), ethylene-octene grafted maleic anhydride copolymer (POE-g-MAH)
Kind is a variety of.
Preferably, the antioxidant is bis- (2,4- di-tert-butyl-phenyl) pentaerythritol diphosphites, four (β-(3,5-
Di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester, one of phosphorous acid three (2,4- di-tert-butyl-phenyl) ester or more
Kind.
Preferably, the lubricant be one of ethylene bis stearamide, pentaerythritol stearate, polyethylene wax or
It is a variety of.
Preferably, the dispersing agent is one of vinyl bis-stearamides (EBS), glyceryl monostearate (GMS)
Or it is a variety of.
Preferably, the light absorber is benzotriazole light absorber.
In addition, the present invention be also claimed the PC ASA PBT ternary-alloy material preparation method, including walk as follows
It is rapid:
(1) firstly, by PC resin, ASA resin, antioxidant, lubricant, dispersing agent and the light absorption for weighing corresponding weight
Agent, it is uniform that above-mentioned raw materials are added sequentially to high-speed mixer and mixing in order, is added to double screw extruder by main feeding hopper
In, it through double screw extruder melting extrusion, is granulated, obtains PC/ASA composite material；
(2) PC/ASA composite material made from step (1), PBT resin, compatilizer are added sequentially to high mixer in order
In be uniformly mixed, be then added in double screw extruder by main feeding hopper, through double screw extruder melting extrusion, granulation,
Obtain PBT/PC/ASA composite material；
(3) the PBT/PC/ASA composite material that step (2) obtains is blended after particle is dried in an oven and is added to single spiral shell
In bar drawing machine, through single screw extrusion machine melting extrusion, bracing wire, the PBT/PC/ASA 3D printing consumptive material of weather-proof that resist warping is obtained
Material.
Compared with prior art, the invention has the benefit that
(1) present invention is blended using thermoplastic engineering resin PBT, engineering plastic PC with Weather resistant thermoplastic resin ASA, is borrowed
The auxiliary agents such as compatilizer, dispersing agent, light absorber are helped, weather-proof that resist warping PBT/PC/ASA3D printing wire rod is prepared.PC/PBT is compound
Material can have both the advantages of PC and PBT, be easier to stress cracking occur improving PC material, what viscosity was not easy to be processed greatly lacks
The shortcomings that while point, it is poor to can make up for it PBT Mechanical Properties of Products, crystallization rate fast and easy warpage.Meanwhile introducing acrylonitrile-
Cinnamic acrylic ester (ASA) component, ASA has outstanding weatherability, ultraviolet resistance, by using suitable compatilizer,
Make three kinds of materials that can play respective advantage in co-mixing system, the PC/PBT/ASA composite material made has excellent
Performance, the advantages of capable of taking into account three kinds of raw material while achieving the effect that complementary performance.
(2) the PBT/PC/ASA trielement composite material prepared by the present invention, the preparation for 3D printing wire rod belong to the first,
Prepared 3D printing wire rod overcomes model light fugitive photograph discoloration after easy warpage, printing shaping in traditional ABS print procedure
In addition disadvantage, while the advantages of also possess ABS wire rod printer model good toughness prints smooth and not plug.
Detailed description of the invention
Fig. 1 is the preparation technology flow chart of various embodiments of the present invention composite material；
Fig. 2 is the preparation technology flow chart of each comparative example composite material of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment
Further details of explanation is carried out to the present invention.It should be appreciated that specific embodiment described herein is only used to illustrate this
Invention, is not intended to limit the present invention.
Although the step in the present invention is arranged with label, it is not used to limit the precedence of step, unless
Based on the execution of the order or certain step that specify step needs other steps, otherwise the relative rank of step is all
It is adjustable.It is appreciated that term "and/or" used herein is related to and covers in associated listed item
One or more of any and all possible combinations.
Embodiment 1
A kind of PC ASA PBT ternary-alloy material preparation method, include the following steps:
(1) firstly, by 20 parts of PC resin, the ASA resin 10, bis- (2, the 4- di-tert-butyls of antioxidant for weighing corresponding weight
Base) 0.3 part of pentaerythritol diphosphites and four (β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol esters 0.3
Part, 0.6 part of lubricant ethylene bis stearamide, 0.6 part of dispersing agent glyceryl monostearate and benzotriazole light absorber 0.7
Part, it is uniform that above-mentioned raw materials are added sequentially to high-speed mixer and mixing in order, is added to double screw extruder by main feeding hopper
In, it through double screw extruder melting extrusion, is granulated, obtains PC/ASA composite material；
(2) 32.5 parts of PC/ASA composite material made from step (1), 60 parts of PBT resin, 7.5 parts of compatilizer SAG are pressed
It is uniform to be sequentially added sequentially to high-speed mixer and mixing, is then added in double screw extruder by main feeding hopper, through twin-screw
Extruder melting extrusion is granulated, and obtains PBT/PC/ASA composite material；
(3) the PBT/PC/ASA composite material that step (2) obtains is blended after particle is dried in an oven and is added to single spiral shell
In bar drawing machine, through single screw extrusion machine melting extrusion, bracing wire, the PBT/PC/ASA 3D printing consumptive material of weather-proof that resist warping is obtained
Material.
Wherein, twin-screw temperature of each section is respectively as follows: 210 DEG C of area's temperature in step (1) and (2), two 230 DEG C of area's temperature,
Three 230 DEG C of area's temperature, four 235 DEG C of area's temperature, five 240 DEG C of area's temperature, six 240 DEG C of area's temperature, seven 240 DEG C of area's temperature, eight area's temperature
240 DEG C of degree, nine 235 DEG C of area's temperature, ten 230 DEG C of area's temperature, 11 230 DEG C of area's temperature, 240 DEG C of head temperature；Engine speed
300rpm；
Single screw rod temperature of each section is respectively 210 DEG C of area's temperature, two 235 DEG C of area's temperature, three 240 DEG C of area's temperature, four Qu Wen
240 DEG C of degree, five 245 DEG C of area's temperature, 245 DEG C of head temperature；Engine speed 240rpm.
Embodiment 2
A kind of PC ASA PBT ternary-alloy material preparation method, include the following steps:
(1) firstly, by 26 parts of PC resin, the ASA resin 10, bis- (2, the 4- di-tert-butyls of antioxidant for weighing corresponding weight
Base) 0.3 part of pentaerythritol diphosphites and 1 part of phosphorous acid three (2,4- di-tert-butyl-phenyl) ester, lubricant ethylene it is double stearic
0.3 part of amide, 0.6 part of dispersing agent vinyl bis-stearamides and 1.8 parts of benzotriazole light absorber, by above-mentioned raw materials by suitable
It is uniform that sequence is added sequentially to high-speed mixer and mixing, is added in double screw extruder by main feeding hopper, through double screw extruder
Melting extrusion, granulation obtain PC/ASA composite material；
(2) by 40 parts of PC/ASA composite material made from step (1), 50 parts of PBT resin, compatilizer SAG and POE-g-MAH
10 parts of mixture to be added sequentially to high-speed mixer and mixing in order uniform, is then added to double screw extruder by main feeding hopper
In, it through double screw extruder melting extrusion, is granulated, obtains PBT/PC/ASA composite material；
(3) the PBT/PC/ASA composite material that step (2) obtains is blended after particle is dried in an oven and is added to single spiral shell
In bar drawing machine, through single screw extrusion machine melting extrusion, bracing wire, the PBT/PC/ASA 3D printing consumptive material of weather-proof that resist warping is obtained
Material.
Wherein, twin-screw temperature of each section is respectively as follows: 210 DEG C of area's temperature in step (1) and (2), two 230 DEG C of area's temperature,
Three 230 DEG C of area's temperature, four 235 DEG C of area's temperature, five 240 DEG C of area's temperature, six 240 DEG C of area's temperature, seven 240 DEG C of area's temperature, eight area's temperature
240 DEG C of degree, nine 235 DEG C of area's temperature, ten 230 DEG C of area's temperature, 11 230 DEG C of area's temperature, 240 DEG C of head temperature；Engine speed
300rpm；
Single screw rod temperature of each section is respectively 210 DEG C of area's temperature, two 235 DEG C of area's temperature, three 240 DEG C of area's temperature, four Qu Wen
240 DEG C of degree, five 245 DEG C of area's temperature, 245 DEG C of head temperature；Engine speed 240rpm.
Embodiment 3
A kind of PC ASA PBT ternary-alloy material preparation method, include the following steps:
(1) firstly, by 20 parts of PC resin, the ASA resin 6, bis- (2, the 4- di-tert-butyls of antioxidant for weighing corresponding weight
Base) 0.5 part of pentaerythritol diphosphites and 0.5 part of phosphorous acid three (2,4- di-tert-butyl-phenyl) ester, lubricant pentaerythrite
Stearate and 0.6 part of polyethylene wax, 0.6 part of dispersing agent vinyl bis-stearamides and 1.8 parts of benzotriazole light absorber,
Above-mentioned raw materials are added sequentially to high-speed mixer and mixing uniform in order, are added in double screw extruder by main feeding hopper,
It through double screw extruder melting extrusion, is granulated, obtains PC/ASA composite material；
(2) by 30 parts of PC/ASA composite material made from step (1), 60 parts of PBT resin, compatilizer SMA and POE-g-MAH
10 parts of mixture to be added sequentially to high-speed mixer and mixing in order uniform, is then added to double screw extruder by main feeding hopper
In, it through double screw extruder melting extrusion, is granulated, obtains PBT/PC/ASA composite material；
(3) the PBT/PC/ASA composite material that step (2) obtains is blended after particle is dried in an oven and is added to single spiral shell
In bar drawing machine, through single screw extrusion machine melting extrusion, bracing wire, the PBT/PC/ASA 3D printing consumptive material of weather-proof that resist warping is obtained
Material.
Wherein, twin-screw temperature of each section is respectively as follows: 210 DEG C of area's temperature in step (1) and (2), two 230 DEG C of area's temperature,
Three 230 DEG C of area's temperature, four 235 DEG C of area's temperature, five 240 DEG C of area's temperature, six 240 DEG C of area's temperature, seven 240 DEG C of area's temperature, eight area's temperature
240 DEG C of degree, nine 235 DEG C of area's temperature, ten 230 DEG C of area's temperature, 11 230 DEG C of area's temperature, 240 DEG C of head temperature；Engine speed
300rpm；
Single screw rod temperature of each section is respectively 210 DEG C of area's temperature, two 235 DEG C of area's temperature, three 240 DEG C of area's temperature, four Qu Wen
240 DEG C of degree, five 245 DEG C of area's temperature, 245 DEG C of head temperature；Engine speed 240rpm.
Comparative example 1
A kind of PC ASA PBT ternary-alloy material preparation method, include the following steps:
(1) firstly, by weigh 26 parts of 50 parts of PBT resin, the PC resin of corresponding weight, ASA resin 10, compatilizer SAG and
0.5 part of bis- (2,4- di-tert-butyl-phenyl) pentaerythritol diphosphites of 10 parts of POE-g-MAH mixture, antioxidant and phosphorous acid
Three 0.5 part of (2,4- di-tert-butyl-phenyl) esters, 0.6 part of lubricant ethylene bis stearamide, dispersing agent vinyl bis-stearamides
0.6 part and 1.8 parts of benzotriazole light absorber, it is uniform that above-mentioned raw materials are added sequentially to high-speed mixer and mixing in order, leads to
It crosses main feeding hopper to be added in double screw extruder, through double screw extruder melting extrusion, is granulated, obtains weather-proof that resist warping PBT/
PC/ASA composite material；
(2) the PBT/PC/ASA composite material that step (1) obtains is blended after particle is dried in an oven and is added to single spiral shell
In bar drawing machine, through single screw extrusion machine melting extrusion, bracing wire, the PBT/PC/ASA 3D printing consumptive material of weather-proof that resist warping is obtained
Material.
Wherein, twin-screw temperature of each section is respectively as follows: 210 DEG C of area's temperature, two 235 DEG C of area's temperature, three Qu Wen in step (1)
235 DEG C of degree, four 240 DEG C of area's temperature, five 245 DEG C of area's temperature, six 245 DEG C of area's temperature, seven 245 DEG C of area's temperature, eight area's temperature 245
DEG C, nine 240 DEG C of area's temperature, ten 235 DEG C of area's temperature, 11 235 DEG C of area's temperature, 245 DEG C of head temperature；Engine speed 300rpm；
Single screw rod temperature of each section is respectively 210 DEG C of area's temperature, two 235 DEG C of area's temperature, three 240 DEG C of area's temperature, four Qu Wen
240 DEG C of degree, five 245 DEG C of area's temperature, 245 DEG C of head temperature；Engine speed 240rpm.
Comparative example 2
A kind of PC ASA PBT ternary-alloy material preparation method, include the following steps:
(1) firstly, by 20 parts of 60 parts of PBT resin, PC resin, the ASA resin 10, compatilizer SAG for weighing corresponding weight
7.5 parts, 0.3 part of bis- (2,4- di-tert-butyl-phenyl) pentaerythritol diphosphites of antioxidant and four (β-(3,5- di-t-butyls-
4- hydroxy phenyl) propionic acid) 0.3 part of pentaerythritol ester, 0.6 part of lubricant ethylene bis stearamide, dispersing agent stearic acid list glycerol
0.6 part of ester and 0.7 part of benzotriazole light absorber, it is uniform that above-mentioned raw materials are added sequentially to high-speed mixer and mixing in order,
It is added in double screw extruder by main feeding hopper, through double screw extruder melting extrusion, is granulated, obtains weather-proof that resist warping
PBT/PC/ASA composite material；
(2) the PBT/PC/ASA composite material that step (1) obtains is blended after particle is dried in an oven and is added to single spiral shell
In bar drawing machine, through single screw extrusion machine melting extrusion, bracing wire, the PBT/PC/ASA 3D printing consumptive material of weather-proof that resist warping is obtained
Material.
Wherein, twin-screw temperature of each section is respectively as follows: 210 DEG C of area's temperature, two 235 DEG C of area's temperature, three Qu Wen in step (1)
235 DEG C of degree, four 240 DEG C of area's temperature, five 245 DEG C of area's temperature, six 245 DEG C of area's temperature, seven 245 DEG C of area's temperature, eight area's temperature 245
DEG C, nine 240 DEG C of area's temperature, ten 235 DEG C of area's temperature, 11 235 DEG C of area's temperature, 245 DEG C of head temperature；Engine speed 300rpm；
Single screw rod temperature of each section is respectively 210 DEG C of area's temperature, two 235 DEG C of area's temperature, three 240 DEG C of area's temperature, four Qu Wen
240 DEG C of degree, five 245 DEG C of area's temperature, 245 DEG C of head temperature；Engine speed 240rpm.
Performance measurement, result are carried out to PC ASA PBT ternary-alloy material prepared by embodiment 1-3 and comparative example
Such as the following table 1:
As it can be seen from table 1 the intermingling material manufactured by one-step method or two-step method, mechanical property is than individual ASA
Material increases significantly, while being granulated using two-step method blending extrusion, in bracing wire, the tensile strength of material, bending strength and
The mechanical properties such as impact strength have different degrees of raising compared to one-step method.Pass through Melt Flow Rate Measurer test data knot
The melt flow rate (MFR) of fruit, 5 embodiment and comparative examples is no more than 25g/10mim, is suitable for carrying out FDM 3D printing.Xenon lamp
Ageing properties test result, by addition ASA and light absorber, after carrying out 3D printing, model all has higher intermingling material
Uvioresistant performance, can satisfy by illumination accelerated ageing 600KJ/m2The requirement of E≤3 chromatic aberration △.
The 3D printing consumptive material of 5 kinds of embodiments or comparative example carries out carrying out 3D printing test, print procedure using FDM printer
Middle printer not plug, warpage, model be not stratified for model bottom.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification at place, equivalent replacement, improve etc., it should be included within the scope of the present invention.
Claims (10)
1. a kind of PC ASA PBT ternary-alloy material, which is characterized in that the ternary-alloy material is made of following raw materials according:
2. PC according to claim 1 ASA PBT ternary-alloy material, which is characterized in that the ternary-alloy material is under
Column raw material is made:
3. PC according to claim 2 ASA PBT ternary-alloy material, which is characterized in that the ternary-alloy material is under
Column raw material is made:
4. PC according to claim 1-3 ASA PBT ternary-alloy material, which is characterized in that the PC resin
For bisphenol A-type aromatic copolycarbonate, average molecular weight is about 25000-40000g/mol；The melt flow of the PBT resin
Rate is moved in 10-15g/10mim；The melt flow rate (MFR) of the ASA resin is in 10-20g/10min.
5. PC according to claim 4 ASA PBT ternary-alloy material, which is characterized in that the compatilizer be benzene second
Alkene-maleic anhydride graft copolymer (SMA), styrene-acrylonitrile-glycidyl methacrylate terpolymer (SAG),
One of ethylene-octene grafted maleic anhydride copolymer (POE-g-MAH) is a variety of.
6. PC according to claim 4 ASA PBT ternary-alloy material, which is characterized in that the antioxidant be it is bis- (2,
4- di-tert-butyl-phenyl) pentaerythritol diphosphites, four (β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythrites
One of ester, phosphorous acid three (2,4- di-tert-butyl-phenyl) ester are a variety of.
7. PC according to claim 4 ASA PBT ternary-alloy material, which is characterized in that the lubricant is that ethylene is double
One of stearmide, pentaerythritol stearate, polyethylene wax are a variety of.
8. PC according to claim 4 ASA PBT ternary-alloy material, which is characterized in that the dispersing agent be vinyl
One of bis-stearamides (EBS), glyceryl monostearate (GMS) are a variety of.
9. PC according to claim 4 ASA PBT ternary-alloy material, which is characterized in that the light absorber be benzo
Triazole type light absorber.
10. a kind of any one of claim 1-9 PC ASA PBT ternary-alloy material preparation method, which is characterized in that
Include the following steps:
It (1), will firstly, by PC resin, ASA resin, antioxidant, lubricant, dispersing agent and the light absorber for weighing corresponding weight
It is uniform that above-mentioned raw materials are added sequentially to high-speed mixer and mixing in order, is added in double screw extruder by main feeding hopper, passes through
Double screw extruder melting extrusion is granulated, and obtains PC/ASA composite material；
(2) PC/ASA composite material, PBT resin, compatilizer made from step (1) are added sequentially to mix in high mixer in order
It closes uniformly, is then added in double screw extruder by main feeding hopper, through double screw extruder melting extrusion, be granulated, obtain
PBT/PC/ASA composite material；
(3) the PBT/PC/ASA composite material that step (2) obtains is blended after particle is dried in an oven and is added to single screw rod drawing
In line machine, through single screw extrusion machine melting extrusion, bracing wire, the PBT/PC/ASA 3D printing consumptive material material of weather-proof that resist warping is obtained.
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