CN107501732A - A kind of 3D printing modified polypropylene material - Google Patents
A kind of 3D printing modified polypropylene material Download PDFInfo
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- CN107501732A CN107501732A CN201710797376.3A CN201710797376A CN107501732A CN 107501732 A CN107501732 A CN 107501732A CN 201710797376 A CN201710797376 A CN 201710797376A CN 107501732 A CN107501732 A CN 107501732A
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
Abstract
The invention discloses a kind of 3D printing modified polypropylene material, it is made up of the raw material of following parts by weight：150 160 parts of polypropylene, 25 35 parts of tetraethyl orthosilicate, 12 18 parts of nano molybdenum disulfide, 5 10 parts of nano boron carbide, 8 16 parts of calcium titanate, 10 18 parts of lubricant, 5 10 parts of levelling agent.The 3D printing modified polypropylene material of the present invention has higher softening point, higher toughness and intensity compared with common polypropylene material, has more wide application prospect in 3D printing field, is also applied for more technical fields.
Description
Technical field
The present invention relates to a kind of 3D printing material, more precisely, being a kind of 3D printing modified polypropylene material.
Background technology
3D printing is one kind of rapid shaping technique, and it is a kind of based on mathematical model file, with powdered gold
Category or plastics etc. can jointing material, come the technology of constructed object by way of successively printing.3D printing is typically using numeral
Technologic material printer is realized.Often be used for modeling in fields such as Making mold, industrial designs, after be gradually available for one
The direct manufacture of a little products, there are the parts formed using the printing of this technology.The technology is set in jewelry, footwear, industry
Meter, building, engineering and construction（AEC）, automobile, Aero-Space, dentistry and medical industries, education, GIS-Geographic Information System, building work
Journey, gun and other field have all been applied.
Polypropylene is relatively broad as a kind of 3D printing materials application, but the softening of the polypropylene printed material used at present
Point is universal relatively low, and the toughness and intensity of material is not high, and 3D printing can not be met to the higher and higher requirement of material.
The content of the invention
The present invention mainly solves the technical problem present in prior art, so as to provide a kind of 3D printing modified poly- third
Alkene material.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
A kind of 3D printing modified polypropylene material, is made up of the raw material of following parts by weight：Polypropylene 150-160 parts, positive silicic acid
Ethyl ester 25-35 parts, nano molybdenum disulfide 12-18 parts, nano boron carbide 5-10 parts, calcium titanate 8-16 parts, lubricant 10-18 parts,
Levelling agent 5-10 parts；
The preparation method of the 3D printing modified polypropylene material：
First, polypropylene, tetraethyl orthosilicate being added into high-speed mixer, mixed at high speed built-in temperature is maintained at 160-170 DEG C, with
500-700rpm speed mixed at high speed 20-30 minutes；
Then, nano molybdenum disulfide, nano boron carbide, calcium titanate, lubricant, levelling agent are added into mixer, is continued at a high speed
Discharged after mixing 10-15 minutes；
Finally, gained compound is added into extruder extruding pelletization, gained particulate material adds pulverizer and is ground into fine powder, sieves
After produce.
As preferred embodiments of the present invention, described lubricant is polypropylene wax.
As preferred embodiments of the present invention, described levelling agent is dimethyl silicone polymer.
The effect of related component in the 3D printing modified polypropylene material of the present invention.
Tetraethyl orthosilicate：The addition of tetraethyl orthosilicate can improve the agglomeration under polypropylene fusion state, be advantageous to shape
Into comparatively dense intermolecular structure, the finished product consistency being printed as is high, more finely.
Nano molybdenum disulfide：The material modified middle nano molybdenum disulfide of the present invention can effectively lift material modified softening
Point, polyacrylic softening point is 120 DEG C or so, and the softening point of the modified polypropylene material of the present invention is at 260 DEG C or so.
Nano boron carbide：The addition of nano boron carbide can greatly promote the pliability of polypropylene modified material, allow this hair
Bright 3D printing material is applied to more wide field, and the finished product printed is more tough and tensile, and service life is longer.
Calcium titanate：What calcium titanate played in the polypropylene modified material of the present invention is the work for improving material self-strength
With with the addition of the polypropylene modified material more common polyacrylic strength enhancing nearly 60% of calcium titanate.
The present invention 3D printing modified polypropylene material with common polypropylene material compared with higher softening point,
Higher toughness and intensity, there is more wide application prospect in 3D printing field, be also applied for more technical fields.
Embodiment
The preferred embodiments of the present invention are described in detail below so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that apparent clearly defined so as to be made to protection scope of the present invention.
[embodiment 1]
150 parts of polypropylene, 25 parts of tetraethyl orthosilicate, 12 parts of nano molybdenum disulfide, 5 parts of nano boron carbide, metatitanic acid are taken by weight
8 parts of calcium, 10 parts of lubricant, 5 parts of levelling agent.
First, polypropylene, tetraethyl orthosilicate being added into high-speed mixer, mixed at high speed built-in temperature is maintained at 160 DEG C, with
500rpm speed mixed at high speed 20 minutes；
Then, nano molybdenum disulfide, nano boron carbide, calcium titanate, lubricant, levelling agent are added into mixer, is continued at a high speed
Mixing discharges after 10 minutes；
Finally, gained compound is added into extruder extruding pelletization, gained particulate material adds pulverizer and is ground into fine powder, sieves
After produce.
[embodiment 2]
160 parts of polypropylene, 35 parts of tetraethyl orthosilicate, 18 parts of nano molybdenum disulfide, 10 parts of nano boron carbide, metatitanic acid are taken by weight
16 parts of calcium, 18 parts of lubricant, 10 parts of levelling agent.
First, polypropylene, tetraethyl orthosilicate being added into high-speed mixer, mixed at high speed built-in temperature is maintained at 170 DEG C, with
700rpm speed mixed at high speed 30 minutes；
Then, nano molybdenum disulfide, nano boron carbide, calcium titanate, lubricant, levelling agent are added into mixer, is continued at a high speed
Mixing discharges after 15 minutes；
Finally, gained compound is added into extruder extruding pelletization, gained particulate material adds pulverizer and is ground into fine powder, sieves
After produce.
[embodiment 3]
155 parts of polypropylene, 30 parts of tetraethyl orthosilicate, 15 parts of nano molybdenum disulfide, 8 parts of nano boron carbide, metatitanic acid are taken by weight
12 parts of calcium, 14 parts of lubricant, 8 parts of levelling agent.
First, polypropylene, tetraethyl orthosilicate being added into high-speed mixer, mixed at high speed built-in temperature is maintained at 165 DEG C, with
600rpm speed mixed at high speed 25 minutes；
Then, nano molybdenum disulfide, nano boron carbide, calcium titanate, lubricant, levelling agent are added into mixer, is continued at a high speed
Mixing discharges after 13 minutes；
Finally, gained compound is added into extruder extruding pelletization, gained particulate material adds pulverizer and is ground into fine powder, sieves
After produce.
[embodiment 4]
152 parts of polypropylene, 27 parts of tetraethyl orthosilicate, 14 parts of nano molybdenum disulfide, 6 parts of nano boron carbide, metatitanic acid are taken by weight
10 parts of calcium, 12 parts of lubricant, 7 parts of levelling agent.
First, polypropylene, tetraethyl orthosilicate being added into high-speed mixer, mixed at high speed built-in temperature is maintained at 162 DEG C, with
550rpm speed mixed at high speed 22 minutes；
Then, nano molybdenum disulfide, nano boron carbide, calcium titanate, lubricant, levelling agent are added into mixer, is continued at a high speed
Mixing discharges after 11 minutes；
Finally, gained compound is added into extruder extruding pelletization, gained particulate material adds pulverizer and is ground into fine powder, sieves
After produce.
[embodiment 5]
158 parts of polypropylene, 33 parts of tetraethyl orthosilicate, 17 parts of nano molybdenum disulfide, 9 parts of nano boron carbide, metatitanic acid are taken by weight
14 parts of calcium, 16 parts of lubricant, 9 parts of levelling agent.
First, polypropylene, tetraethyl orthosilicate being added into high-speed mixer, mixed at high speed built-in temperature is maintained at 168 DEG C, with
650rpm speed mixed at high speed 28 minutes；
Then, nano molybdenum disulfide, nano boron carbide, calcium titanate, lubricant, levelling agent are added into mixer, is continued at a high speed
Mixing discharges after 14 minutes；
Finally, gained compound is added into extruder extruding pelletization, gained particulate material adds pulverizer and is ground into fine powder, sieves
After produce.
[contrast experiment]
By the embodiment 1-5 modified polypropylene materials prepared and the 3 kinds of 3D printing being commonly used plain polypropylene materials
Contrast test is carried out, test data is as follows：
| Group | Softening temperature（℃） | Notch impact strength（J/m） | Tensile strength（MPa） |
| Embodiment 1 | 257 | 92 | 147 |
| Embodiment 2 | 251 | 88 | 132 |
| Embodiment 3 | 264 | 96 | 156 |
| Embodiment 4 | 248 | 91 | 141 |
| Embodiment 5 | 255 | 85 | 153 |
| Contrast 1 | 121 | 50 | 92 |
| Contrast 2 | 117 | 53 | 98 |
| Contrast 3 | 128 | 56 | 87 |
The softening temperature of the modified polypropylene material of the present invention is higher it can be seen from data above, the toughness and intensity of material
It is substantially improved compared with plain polypropylene, requirements at the higher level of the 3D printing technique to material can be met.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, it is any without
The change or replacement that creative work is expected are crossed, should be all included within the scope of the present invention.Therefore, protection of the invention
Scope should be determined by the scope of protection defined in the claims.
Claims (3)
1. a kind of 3D printing modified polypropylene material, it is characterised in that be made up of the raw material of following parts by weight：Polypropylene 150-
160 parts, tetraethyl orthosilicate 25-35 parts, nano molybdenum disulfide 12-18 parts, nano boron carbide 5-10 parts, calcium titanate 8-16 parts, profit
Lubrication prescription 10-18 parts, levelling agent 5-10 parts；
The preparation method of the 3D printing modified polypropylene material：
First, polypropylene, tetraethyl orthosilicate being added into high-speed mixer, mixed at high speed built-in temperature is maintained at 160-170 DEG C, with
500-700rpm speed mixed at high speed 20-30 minutes；
Then, nano molybdenum disulfide, nano boron carbide, calcium titanate, lubricant, levelling agent are added into mixer, is continued at a high speed
Discharged after mixing 10-15 minutes；
Finally, gained compound is added into extruder extruding pelletization, gained particulate material adds pulverizer and is ground into fine powder, sieves
After produce.
2. 3D printing modified polypropylene material according to claim 1, it is characterised in that described lubricant is poly- third
Alkene wax.
3. 3D printing modified polypropylene material according to claim 2, it is characterised in that described levelling agent is poly- two
Methylsiloxane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797376.3A CN107501732A (en) | 2017-09-06 | 2017-09-06 | A kind of 3D printing modified polypropylene material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797376.3A CN107501732A (en) | 2017-09-06 | 2017-09-06 | A kind of 3D printing modified polypropylene material |
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| Publication Number | Publication Date |
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| CN107501732A true CN107501732A (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710797376.3A Pending CN107501732A (en) | 2017-09-06 | 2017-09-06 | A kind of 3D printing modified polypropylene material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108659335A (en) * | 2018-05-04 | 2018-10-16 | 肥西县碧涛建材有限公司 | A kind of high tenacity 3D printing composite material and preparation method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106674736A (en) * | 2016-12-16 | 2017-05-17 | 华南协同创新研究院 | Polypropylene/boron carbide composite material for 3D (three-dimensional) printing and preparation method |
-
2017
- 2017-09-06 CN CN201710797376.3A patent/CN107501732A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106674736A (en) * | 2016-12-16 | 2017-05-17 | 华南协同创新研究院 | Polypropylene/boron carbide composite material for 3D (three-dimensional) printing and preparation method |
Non-Patent Citations (1)
| Title |
|---|
| 王运赣 等编著: "《3D打印技术·修订版》", 31 July 2014, 华中科技大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108659335A (en) * | 2018-05-04 | 2018-10-16 | 肥西县碧涛建材有限公司 | A kind of high tenacity 3D printing composite material and preparation method |
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Application publication date: 20171222 |