CN113278264A - Ternary composite degradable alloy material and preparation method thereof - Google Patents
Ternary composite degradable alloy material and preparation method thereof Download PDFInfo
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- CN113278264A CN113278264A CN202110695999.6A CN202110695999A CN113278264A CN 113278264 A CN113278264 A CN 113278264A CN 202110695999 A CN202110695999 A CN 202110695999A CN 113278264 A CN113278264 A CN 113278264A
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- 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
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- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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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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Abstract
The invention discloses a ternary composite degradable alloy material and a preparation method thereof, wherein the material comprises the following raw materials in parts by weight: 18-22 parts of PPC, 55-65 parts of PETG, 18-22 parts of TPU, 0.4-0.6 part of antioxidant and 0.4-0.6 part of lubricant. The preparation method comprises the following steps: (1) weighing the raw materials in proportion; (2) drying PPC, PETG and TPU at 68-72 deg.C, 78-82 deg.C and 88-92 deg.C for 3.5-4.5 hr respectively, and mixing in a high-speed mixer for 4-6 min; (3) putting the antioxidant and the lubricant into a high-speed mixer, mixing for 4-6 minutes, and taking out; (4) adding the mixed material obtained in the step (3) into a single-screw extruder for melt extrusion, wherein the extrusion temperature is respectively set as: the first section is 190 ℃, the second section is 215 ℃, the third section is 235 ℃, the fourth section is 230 ℃, the third section is connected with 220 ℃, the die is 215 ℃, and the ternary composite degradable alloy material is obtained by water cooling, air drying, traction and winding.
Description
Technical Field
The invention relates to the technical field of 3D printing materials, in particular to a ternary composite degradable alloy material and a preparation method thereof.
Background
3D printing (3 DP), a technique for constructing objects by layer-by-layer printing using bondable materials such as powdered metals or plastics based on digital model files, is one of the rapid prototyping techniques, also known as additive manufacturing.
At present, the material for 3D printing is prepared by taking PETG as a main raw material and matching with other auxiliary materials, the 3D printing material has poor printing performance and high warping property, and a product after printing and molding has low impact resistance and cannot meet the use requirement. Therefore, there is a need to develop a solution to the above problems.
Disclosure of Invention
In view of the above, the present invention provides a ternary composite degradable alloy material and a preparation method thereof, which can effectively solve the problems of poor printing performance and low impact resistance of the existing 3D printing material.
In order to achieve the purpose, the invention adopts the following technical scheme:
a ternary composite degradable alloy material comprises the following raw materials in parts by weight: 18-22 parts of PPC, 55-65 parts of PETG, 18-22 parts of TPU, 0.4-0.6 part of antioxidant and 0.4-0.6 part of lubricant.
A preparation method of a ternary composite degradable alloy material comprises the following steps:
(1) weighing the raw materials in proportion;
(2) drying PPC, PETG and TPU at 68-72 deg.C, 78-82 deg.C and 88-92 deg.C for 3.5-4.5 hr respectively, and mixing in a high-speed mixer for 4-6 min;
(3) putting the antioxidant and the lubricant into a high-speed mixer, mixing for 4-6 minutes, and taking out;
(4) adding the mixed material obtained in the step (3) into a single-screw extruder for melt extrusion, wherein the extrusion temperature is respectively set as: the first section is 190 ℃, the second section is 215 ℃, the third section is 235 ℃, the fourth section is 230 ℃, the third section is connected with 220 ℃, the die is 215 ℃, and the ternary composite degradable alloy material is obtained by water cooling, air drying, traction and winding.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
the ternary composite degradable alloy material prepared by the formula and the method of the invention organically combines three main raw materials of PPC, PETG and TPU together, has excellent printing performance and high thermal deformation temperature, reduces the warping property during printing, has high impact resistance of a product printed and molded after the TPU material is added, and improves the degradable performance of the alloy material.
Detailed Description
The invention discloses a ternary composite degradable alloy material which comprises the following raw materials in parts by weight: 18-22 parts of PPC, 55-65 parts of PETG, 18-22 parts of TPU, 0.4-0.6 part of antioxidant and 0.4-0.6 part of lubricant. PPC is polypropylene carbonate, PETG is amorphous copolyester, and TPU is polyurethane.
The invention also discloses a preparation method of the ternary composite degradable alloy material, which comprises the following steps:
(1) the raw materials are weighed according to the proportion.
(2) PPC, PETG and TPU are dried for 3.5 to 4.5 hours at 68 to 72 ℃, 78 to 82 ℃ and 88 to 92 ℃ respectively, and then are put into a high-speed mixer to be mixed for 4 to 6 minutes.
(3) And (3) putting the antioxidant and the lubricant into a high-speed mixer, mixing for 4-6 minutes, and taking out.
(4) Adding the mixed material obtained in the step (3) into a single-screw extruder for melt extrusion, wherein the extrusion temperature is respectively set as: the first section is 190 ℃, the second section is 215 ℃, the third section is 235 ℃, the fourth section is 230 ℃, the third section is connected with 220 ℃, the die is 215 ℃, and the ternary composite degradable alloy material is obtained by water cooling, air drying, traction and winding.
The invention is explained in more detail below in a number of examples:
example 1:
a ternary composite degradable alloy material comprises the following raw materials in parts by weight: 20 parts of PPC, 60 parts of PETG, 20 parts of TPU, 0.5 part of antioxidant and 0.5 part of lubricant.
The preparation method of the ternary composite degradable alloy material comprises the following steps:
(1) the raw materials are weighed according to the proportion.
(2) PPC, PETG and TPU are dried for 4 hours at 70 ℃, 80 ℃ and 90 ℃ respectively and then are mixed in a high-speed mixer for 5 minutes.
(3) And (3) putting the antioxidant and the lubricant into a high-speed mixer, mixing for 5 minutes, and taking out.
(4) Adding the mixed material obtained in the step (3) into a single-screw extruder for melt extrusion, wherein the extrusion temperature is respectively set as: the first section is 190 ℃, the second section is 215 ℃, the third section is 235 ℃, the fourth section is 230 ℃, the third section is connected with 220 ℃, the die is 215 ℃, and the ternary composite degradable alloy material is obtained by water cooling, air drying, traction and winding.
Example 2:
a ternary composite degradable alloy material comprises the following raw materials in parts by weight: 18 parts of PPC, 55 parts of PETG, 21 parts of TPU, 0.6 part of antioxidant and 0.45 part of lubricant.
The preparation method of the ternary composite degradable alloy material comprises the following steps:
(1) the raw materials are weighed according to the proportion.
(2) PPC, PETG and TPU are dried for 3 hours at 68 ℃, 78 ℃ and 88 ℃ respectively and then are put into a high-speed mixer to be mixed for 4.5 minutes.
(3) And (3) putting the antioxidant and the lubricant into a high-speed mixer, mixing for 5.5 minutes, and taking out.
(4) Adding the mixed material obtained in the step (3) into a single-screw extruder for melt extrusion, wherein the extrusion temperature is respectively set as: the first section is 190 ℃, the second section is 215 ℃, the third section is 235 ℃, the fourth section is 230 ℃, the third section is connected with 220 ℃, the die is 215 ℃, and the ternary composite degradable alloy material is obtained by water cooling, air drying, traction and winding.
Example 3:
a ternary composite degradable alloy material comprises the following raw materials in parts by weight: 21 parts of PPC, 64 parts of PETG, 22 parts of TPU, 0.4 part of antioxidant and 0.6 part of lubricant.
The preparation method of the ternary composite degradable alloy material comprises the following steps:
(1) the raw materials are weighed according to the proportion.
(2) PPC, PETG and TPU are dried for 3.5 hours at 71 ℃, 82 ℃ and 91 ℃ respectively and then are put into a high-speed mixer to be mixed for 4 minutes.
(3) And (3) putting the antioxidant and the lubricant into a high-speed mixer, mixing for 6 minutes, and taking out.
(4) Adding the mixed material obtained in the step (3) into a single-screw extruder for melt extrusion, wherein the extrusion temperature is respectively set as: the first section is 190 ℃, the second section is 215 ℃, the third section is 235 ℃, the fourth section is 230 ℃, the third section is connected with 220 ℃, the die is 215 ℃, and the ternary composite degradable alloy material is obtained by water cooling, air drying, traction and winding.
Example 4:
a ternary composite degradable alloy material comprises the following raw materials in parts by weight: 22 parts of PPC, 58 parts of PETG, 18 parts of TPU, 0.45 part of antioxidant and 0.52 part of lubricant.
The preparation method of the ternary composite degradable alloy material comprises the following steps:
(1) the raw materials are weighed according to the proportion.
(2) PPC, PETG and TPU are dried for 4.5 hours at 69 ℃, 79 ℃ and 92 ℃ respectively and then are put into a high-speed mixer to be mixed for 4.5 minutes.
(3) And (4) putting the antioxidant and the lubricant into a high-speed mixer, mixing for 4.5 minutes, and taking out.
(4) Adding the mixed material obtained in the step (3) into a single-screw extruder for melt extrusion, wherein the extrusion temperature is respectively set as: the first section is 190 ℃, the second section is 215 ℃, the third section is 235 ℃, the fourth section is 230 ℃, the third section is connected with 220 ℃, the die is 215 ℃, and the ternary composite degradable alloy material is obtained by water cooling, air drying, traction and winding.
Example 5:
a ternary composite degradable alloy material comprises the following raw materials in parts by weight: 19 parts of PPC, 62 parts of PETG, 20 parts of TPU, 0.55 part of antioxidant and 0.53 part of lubricant.
The preparation method of the ternary composite degradable alloy material comprises the following steps:
(1) the raw materials are weighed according to the proportion.
(2) PPC, PETG and TPU are dried for 3 hours at 72 ℃, 81 ℃ and 89 ℃ respectively and then are put into a high-speed mixer to be mixed for 6 minutes.
(3) And (3) putting the antioxidant and the lubricant into a high-speed mixer, mixing for 4 minutes, and taking out.
(4) Adding the mixed material obtained in the step (3) into a single-screw extruder for melt extrusion, wherein the extrusion temperature is respectively set as: the first section is 190 ℃, the second section is 215 ℃, the third section is 235 ℃, the fourth section is 230 ℃, the third section is connected with 220 ℃, the die is 215 ℃, and the ternary composite degradable alloy material is obtained by water cooling, air drying, traction and winding.
Example 6:
a ternary composite degradable alloy material comprises the following raw materials in parts by weight: 21 parts of PPC, 63 parts of PETG, 19 parts of TPU, 0.48 part of antioxidant and 0.51 part of lubricant.
The preparation method of the ternary composite degradable alloy material comprises the following steps:
(1) the raw materials are weighed according to the proportion.
(2) PPC, PETG and TPU are dried for 4 hours at 69 ℃, 80 ℃ and 90 ℃ respectively and then are put into a high-speed mixer to be mixed for 4 minutes.
(3) And (3) putting the antioxidant and the lubricant into a high-speed mixer, mixing for 5 minutes, and taking out.
(4) Adding the mixed material obtained in the step (3) into a single-screw extruder for melt extrusion, wherein the extrusion temperature is respectively set as: the first section is 190 ℃, the second section is 215 ℃, the third section is 235 ℃, the fourth section is 230 ℃, the third section is connected with 220 ℃, the die is 215 ℃, and the ternary composite degradable alloy material is obtained by water cooling, air drying, traction and winding.
Comparative example 1:
PETG is used as a main raw material, TPU is not contained, and the PETG is stirred and then melted and extruded according to a common method.
The following tests were conducted on the properties of the above examples and comparative examples, and the results are shown in the following table:
when testing the thermal deformation temperature, a thermal deformation temperature tester is adopted, and the execution standard is as follows: ISO/GB 75-2/T1634, the test conditions are as follows: stress 0.45 MPa/deformation 0.341.
When the bending strength is tested, a universal tensile testing machine is adopted, and the execution standard is as follows: ISO/GB 178/T9341, the test conditions are as follows: a national standard test strip.
When the bending modulus is tested, an universal tensile testing machine is adopted, and the execution standard is as follows: ISO/GB 178/T9341, the test conditions are as follows: a national standard test strip.
When the tensile strength is tested, a universal tensile testing machine is adopted, and the execution standard is as follows: ISO/GB 527-2/T1040.
When the impact strength is tested, a cantilever beam impact testing machine is adopted, and the execution standard is as follows: ISO/GB 180/1A/T1843, test conditions are: national standard wide 8 thick 4 notch impact strip.
The ternary composite degradable alloy material prepared by the invention has excellent printing performance and high thermal deformation temperature, reduces the warping property during printing, has high impact resistance of a product printed and molded after the TPU material is added, and improves the degradable performance of the material.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (2)
1. A ternary composite degradable alloy material is characterized in that: comprises the following raw materials in parts by weight: 18-22 parts of PPC, 55-65 parts of PETG, 18-22 parts of TPU, 0.4-0.6 part of antioxidant and 0.4-0.6 part of lubricant.
2. The preparation method of the ternary composite degradable alloy material of claim 1, characterized by comprising the following steps: the method comprises the following steps:
(1) weighing the raw materials in proportion;
(2) drying PPC, PETG and TPU at 68-72 deg.C, 78-82 deg.C and 88-92 deg.C for 3.5-4.5 hr respectively, and mixing in a high-speed mixer for 4-6 min;
(3) putting the antioxidant and the lubricant into a high-speed mixer, mixing for 4-6 minutes, and taking out;
(4) adding the mixed material obtained in the step (3) into a single-screw extruder for melt extrusion, wherein the extrusion temperature is respectively set as: the first section is 190 ℃, the second section is 215 ℃, the third section is 235 ℃, the fourth section is 230 ℃, the third section is connected with 220 ℃, the die is 215 ℃, and the ternary composite degradable alloy material is obtained by water cooling, air drying, traction and winding.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112300551A (en) * | 2020-11-11 | 2021-02-02 | 深圳市华海天贸科技有限公司 | 3D printing material with diamond light sensation and preparation method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112300551A (en) * | 2020-11-11 | 2021-02-02 | 深圳市华海天贸科技有限公司 | 3D printing material with diamond light sensation and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 乔雯钰 等: "FDM 用 PETG 系列耗材的改性研究", vol. 34, no. 10, pages 24 - 30 * |
| 于翠香: "生物降解脂肪族聚酯的改性及3D打印应用研究", 中国优秀硕士学位论文全文数据库工程科技Ⅰ辑, no. 3, pages 016 - 223 * |
| 刘慧宏: "聚碳酸亚丙酯的共混改性研究及复合薄膜材料的研制", 中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑, no. 2, pages 020 - 84 * |
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