CN106589575A - PP-SEBS composite material for 3D printing - Google Patents
PP-SEBS composite material for 3D printing Download PDFInfo
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- CN106589575A CN106589575A CN201510678417.8A CN201510678417A CN106589575A CN 106589575 A CN106589575 A CN 106589575A CN 201510678417 A CN201510678417 A CN 201510678417A CN 106589575 A CN106589575 A CN 106589575A
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- sebs
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- printing
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- composites suitable
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
Abstract
The invention relates to a PP-SEBS composite material for 3D printing and a preparation method thereof. The PP-SEBS composite material is prepared from, by mass, 20-40 parts of polypropylene, 10-40 parts of thermoplastic elastomers SEBS, 10-40 parts of mineral oil, 0-3 parts of an antioxidant and 0-3 parts of a flame retardant. The raw materials are mixed by a high-speed kneading machine and then extruded and drawn by a double-screw extruder, and the PP-SEBS composite material is obtained. Compared with the prior art, the material prepared through the method has the advantage of being low in hardness, improves the weather resistance and the heat resistance and achieves excellent performance on printing fluency and interlayer cohesiveness.
Description
Technical field
The invention belongs to polymeric material field, it is adaptable to the material of 3D printing, more particularly, to a kind of PP/SEBS composites suitable for 3D printing and preparation method thereof.
Background technology
One kind of 3D printing technique, i.e. rapid shaping technique, it be one kind based on mathematical model file, with metal or plastics etc. can jointing material, by section, the mode for successively printing carrys out the technology of constructed object.In Design of Dies, industrial machinery part is manufactured, automobile, aviation, and the field such as medicine obtains broad development.3D printing technique mainly includes Stereo Lithography, laser sintered method, melting layer area method etc., wherein fusion stacking formula printing technique（FDM）It is particularly important one kind, its range of application is also extremely wide.
Fusion sediment formula printing technique（FDM）Cardinal principle be under the melting temperature of slightly above printed material by heating thermoplastic material is made its melting from nozzle extrude, by computer control, be piled into finished product from level to level.Current fusion stacking formula printing technique（FDM）The printed material used is mainly ABS, nylon, polylactic acid（PLA）Deng.
At present the consumptive material used in 3D printing, is substantially hard consumptive material, and is to need many PP/SEBS composites in industry and life, and such as tire model etc. is ABS, and PLA these hard materials cannot meet requirement.High soft elastomeric consumptive material is developed for this and will greatly promote the scope of application of 3D printing, can such as print clothes, shoes, Mature Audiences, electronic product, auto parts machinery, mother and baby's articles for use, dress ornament accessories, massager, sporting goods, bath articles, packing container, medical device, thin film shell, encapsulated handle, tableware, toy for children etc..
The content of the invention
The purpose of the present invention be exactly for the demand gap for making up current 3D printing consumptive material market, and provide it is a kind of there is soft, while PP/SEBS composites suitable for 3D printing with good 3D printing effect and preparation method thereof.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of PP/SEBS composites suitable for 3D printing are prepared by the raw material of following components and mass percentage content:Polypropylene 20-40 parts, thermoplastic elastomer (TPE) SEBS 10-40 parts, mineral oil 10-40 parts, antioxidant 0-3 parts, fire retardant 0-3 parts.
The melt index of the PP/SEBS composites is 5-20g/10min.
The shore hardness of the PP/SEBS composites（A）For 30-90.
Described polypropylene be Daqing petrochemical T30S, Dalian petrochemical industry Z69S, one or more in the too Z30S of Dalian west.
YH503s of the described thermoplastic elastomer (TPE) SEBS for Ba Ling petrochemical industry, YH506, YH511, one or more in YH604.
Described mineral oil be 32# white oils, 70# white oils, 100# white oils, the one kind in naphthenic oil.
Described antioxidant is 1024, DSTP, 3114.
Described fire retardant be deca-BDE, TDE, one or more in bromination vinylbenzene.
A kind of preparation method of the PP/SEBS composites suitable for 3D printing adopts following steps:
（1）According to following components and weight/mass percentage composition dispensing:Polypropylene 20-40 parts, thermoplastic elastomer (TPE) SEBS 10-40 parts, mineral oil 10-40 parts, antioxidant 0-3 parts, fire retardant 0-3 parts.
（2）Said components are placed at into mixing 1-10 minutes in high-speed kneading machine, pre-composition is obtained;
（3）Pre-composition is placed in double screw extruder carries out extrusion wire drawing, that is, obtain a kind of PP/SEBS composites suitable for 3D printing.
Described double screw extruder temperature is set as successively:180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C of die head temperature, screw slenderness ratio are more than 32, and screw rod rotary speed is 150-180r/min, and rate of feeding is 10-15r/min.
Compared with prior art, the present invention has advantages below:
1st, the present invention develops a kind of PP/SEBS composites suitable for FDM3D printing techniques, and the material has soft, and prints product and have excellent surface tactile sensation, has widened 3D printing Material Field.
2nd, the PP/SEBS composites suitable for 3D printing of the invention employ thermoplastic elastomer (TPE) SEBS, therefore, not only with compression resistant morphotropism and excellent mechanical property, while further improving the weatherability of material, thermostability.
3rd, the PP/SEBS composites suitable for 3D printing of the invention also show outstanding on fluency and material interlayer adhesion is printed.
4th, the characteristics of preparation method of the PP/SEBS composites suitable for 3D printing of the invention there is process to be simple and convenient to operate, is easy to industrialized production.
Specific embodiment
Below by way of specific embodiment, the present invention is described in further detail, but this should not be interpreted as the scope of the present invention and be only limitted to following instance.In the case of without departing from said method thought of the present invention, the various replacements made according to ordinary skill knowledge and customary means or change are should be included in the scope of the present invention.
Embodiment 1
Suitable for the preparation method of the PP/SEBS composites of 3D printing, using following steps:
（1）27 parts（Weight ratio, similarly hereinafter）Polypropylene T30S, 35 parts of thermoplastic elastomer (TPE) SEBS YH503,35 parts of #70 white oils, the bromination vinylbenzene of 2 parts of 1024,1 part of antioxidant.
（2）Press（1）Middle proportioning weighs each material, mixes 1-10 minutes, obtain pre-composition in high-speed kneading machine;
（3）Will（2）Gained pre-composition is placed in double screw extruder and carries out extrusion wire drawing, and double screw extruder temperature is set as successively:180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C of die head temperature, screw slenderness ratio are more than 32, and screw rod rotary speed is 150-180r/min, and rate of feeding is 10-15r/min.
Resulting materials shore hardness（A）For 75, tensile strength is pulled apart for 6.8MPa, ultimate elongation is 300%, with good 3D printing fluency and interlayer adhesion.
Embodiment 2
Suitable for the preparation method of the modified polylactic acid composite material of 3D printing, using following steps:
（1）30 parts（Weight ratio, similarly hereinafter）Polypropylene T30S, 25 parts of thermoplastic elastomer (TPE) SEBS YH503,40 parts of #100 white oils, 3 parts of antioxidant DSTP, 2 parts of deca-BDE.
（2）Press（1）Middle proportioning weighs each material, mixes 1-10 minutes, obtain pre-composition in high-speed kneading machine;
（3）Will（2）Gained pre-composition is placed in double screw extruder and carries out extrusion wire drawing, and double screw extruder temperature is set as successively:180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C of die head temperature, screw slenderness ratio are more than 32, and screw rod rotary speed is 150-180r/min, and rate of feeding is 10-15r/min.
Resulting materials shore hardness（A）For 45, tensile strength is pulled apart for 5.6MPa, ultimate elongation is 300%, with good 3D printing fluency and interlayer adhesion.
Claims (10)
1. a kind of PP/SEBS composites suitable for 3D printing and preparation method thereof, it is characterised in that the material is prepared by the raw material of following components and mass percentage content:Polypropylene 20-40 parts, thermoplastic elastomer (TPE) SEBS
10-40 parts, mineral oil 10-40 parts, antioxidant 0-3 parts, fire retardant 0-3 parts.
2. a kind of PP/SEBS composites suitable for 3D printing according to claim 1 and preparation method thereof, it is characterised in that the melt index of the PP/SEBS composites is 5-20g/10min.
3. a kind of PP/SEBS composites suitable for 3D printing according to claim 1 and preparation method thereof, it is characterised in that the shore hardness of the PP/SEBS composites（A）For 30-80.
4. a kind of PP/SEBS composites suitable for 3D printing according to claim 1 and preparation method thereof, it is characterised in that described polypropylene is Daqing petrochemical T30S, Dalian petrochemical industry Z69S, one or more in the too Z30S of Dalian west.
5. a kind of PP/SEBS composites suitable for 3D printing according to claim 1 and preparation method thereof, it is characterised in that YH503s of the described thermoplastic elastomer (TPE) SEBS for Ba Ling petrochemical industry, YH506, YH511, one or more in YH604.
6. a kind of PP/SEBS composites suitable for 3D printing according to claim 1 and preparation method thereof, are characterised by, described mineral oil is 32# white oils, 70# white oils, 100# white oils, the one kind in naphthenic oil.
7. a kind of PP/SEBS composites suitable for 3D printing according to claim 1 and preparation method thereof, it is characterised in that described antioxidant is 1024, DSTP, one or more in 3114.
8. a kind of PP/SEBS composites suitable for 3D printing according to claim 1 and preparation method thereof, it is characterised in that described fire retardant is deca-BDE, TDE, one or more in bromination vinylbenzene.
9. a kind of PP/SEBS composites suitable for 3D printing as any one of claim 1-8 and preparation method thereof, it is characterised in that the method adopts following steps:
（1）According to following components and weight/mass percentage composition dispensing:Polypropylene 20-40 parts, thermoplastic elastomer (TPE) SEBS 10-40 parts, mineral oil 10-40 parts, antioxidant 0-3 parts, fire retardant 0-3 parts;
（2）Said components are placed at into mixing 1-10 minutes in high-speed kneading machine, pre-composition is obtained;
（3）Pre-composition is placed in double screw extruder carries out extrusion wire drawing, that is, obtain a kind of PP/SEBS composites suitable for 3D printing.
10. according to preparing a kind of PP/SEBS composites suitable for 3D printing and preparation method thereof described in claim 9, it is characterised in that described double screw extruder temperature is set as successively:180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C, 180-210 DEG C of die head temperature, screw slenderness ratio are more than 32, and screw rod rotary speed is 150-180r/min, and rate of feeding is 10-15r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510678417.8A CN106589575A (en) | 2015-10-20 | 2015-10-20 | PP-SEBS composite material for 3D printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510678417.8A CN106589575A (en) | 2015-10-20 | 2015-10-20 | PP-SEBS composite material for 3D printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106589575A true CN106589575A (en) | 2017-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510678417.8A Pending CN106589575A (en) | 2015-10-20 | 2015-10-20 | PP-SEBS composite material for 3D printing |
Country Status (1)
| Country | Link |
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| CN (1) | CN106589575A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11104819B2 (en) * | 2018-03-21 | 2021-08-31 | Hewlett-Packard Development Company, L.P. | Three-dimensional printing |
| US11548216B2 (en) | 2018-03-21 | 2023-01-10 | Hewlett-Packard Development Company, L.P. | Three-dimensional printing |
| US11613646B2 (en) | 2018-03-21 | 2023-03-28 | Hewlett-Packard Development Company, L.P. | Material for three-dimensional printing comprising specific polypropylene block copolymer |
-
2015
- 2015-10-20 CN CN201510678417.8A patent/CN106589575A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11104819B2 (en) * | 2018-03-21 | 2021-08-31 | Hewlett-Packard Development Company, L.P. | Three-dimensional printing |
| US11548216B2 (en) | 2018-03-21 | 2023-01-10 | Hewlett-Packard Development Company, L.P. | Three-dimensional printing |
| US11613646B2 (en) | 2018-03-21 | 2023-03-28 | Hewlett-Packard Development Company, L.P. | Material for three-dimensional printing comprising specific polypropylene block copolymer |
| US11745417B2 (en) | 2018-03-21 | 2023-09-05 | Hewlett-Packard Development Company, L.P. | Three-dimensional printing |
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Application publication date: 20170426 |
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