CN109337316A - A kind of modified polylactic acid 3D printing consumptive material and its preparation process - Google Patents
A kind of modified polylactic acid 3D printing consumptive material and its preparation process Download PDFInfo
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- CN109337316A CN109337316A CN201811165936.4A CN201811165936A CN109337316A CN 109337316 A CN109337316 A CN 109337316A CN 201811165936 A CN201811165936 A CN 201811165936A CN 109337316 A CN109337316 A CN 109337316A
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- Prior art keywords
- polylactic acid
- antioxidant
- printing consumptive
- consumptive material
- plasticizer
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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
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses a kind of modified polylactic acid 3D printing consumptive material and its preparation process, including polylactic acid, modified starch, polypropylene, aniline, pigment, dispersing agent, auxiliary agent, the auxiliary agent includes lubricant, plasticizer, antioxidant.The beneficial effects of the present invention are: use polylactic acid and modified starch for basic material, so that the printing consumables has preferable degradability；Added with polypropylene and aniline, so that the printing consumables has preferable tensile strength and mechanical property, and the high-quality antioxidant of larger mass fraction is used, so that the printing consumables can store the longer time after opening packaging.
Description
Technical field
The invention belongs to 3D printing consumptive material fields, and in particular to a kind of modified polylactic acid 3D printing consumptive material and its preparation work
Skill.
Background technique
There are many kinds of 3D printing consumptive material types, and polylactic acid (PLA) is a kind of currently used raw material, and PLA is formed sediment by corn
A kind of high molecular material of powder synthesis, it is more more environmentally-friendly than original ABS material, also without irritating smell in print procedure.
Moreover, polylactic acid is the polymer obtained with lactic acid for main polymerizable raw material, raw material sources are abundant and can regenerate.Polylactic acid
Production process it is pollution-free, and product can biodegrade, realize circulation in nature, therefore be that ideal green is high
Molecular material.But PLA is easier the influence by humid air and becomes fragile, it can be because often fracture leads to not using very
To damage printer.Therefore, it is necessary to the 3D printing consumptive materials that a kind of performance preferably uses polylactic acid to manufacture.
Summary of the invention
In view of this, in view of the deficiencies of the prior art, the present invention aims to provide a kind of poly- creams of modified
Sour 3D printing consumptive material and its preparation process.
The present invention through the following technical solutions to achieve the above objectives:
A kind of modified polylactic acid 3D printing consumptive material, including polylactic acid, modified starch, polypropylene, aniline, pigment, dispersion
The consumption (mass fraction) of agent, auxiliary agent, above-mentioned raw materials is respectively as follows:
The auxiliary agent includes lubricant, plasticizer, antioxidant, and the consumption (mass fraction) of above-mentioned raw materials is respectively as follows:
0.4~2 part of lubricant
0.4~1.5 part of plasticizer
0.1~1 part of antioxidant.
Preferably, the consumption (mass fraction) of above-mentioned each raw material is respectively as follows:
The auxiliary agent includes lubricant, plasticizer, antioxidant, and the consumption (mass fraction) of above-mentioned raw materials is respectively as follows:
1 part of lubricant
1 part of plasticizer
0.3 part of antioxidant.
Preferably, the consumption (mass fraction) of above-mentioned each raw material is respectively as follows:
The auxiliary agent includes lubricant, plasticizer, antioxidant, and the consumption (mass fraction) of above-mentioned raw materials is respectively as follows:
1.5 parts of lubricant
1.5 parts of plasticizer
1 part of antioxidant.
Preferably, the modified starch is carboxymethyl starch.
Preferably, the lubricant is one of lead stearate, zinc stearate, barium stearate, chlorinated paraffin or a variety of
Mixing.
Preferably, one of the plasticizer DOP, DNOP, DMP, DIDP or a variety of mixing.
Preferably, the antioxidant is one of irgasfos 168, antioxidant 1135, antioxidant 224 or a variety of mixed
It closes.
A kind of preparation method of modified polylactic acid 3D printing consumptive material successively carries out as steps described below:
Step 1: taking the polylactic acid of a certain amount of mass fraction to be put into mixing machine, and is added poly- the third of certain mass number
The aniline of alkene and certain mass number mixes 3min~5min under conditions of revolving speed is 800rpm~1200rpm, is mixed
Material；
Step 2: the modified starch and certain mass number of certain mass number are added in the mixed material obtained by step 1
Auxiliary agent, revolving speed be 1000rpm~1400rpm under conditions of mix 4min~8min, obtain mixed material；
Step 3: the dispersing agent and certain mass number of certain mass number are added in the mixed material obtained by step 2
Pigment mixes 6min~8min under conditions of revolving speed is 1200rpm~1800rpm, obtains mixed material；
Step 4: being prepared into silk for the addition 3D printing consumptive material single screw extrusion machine of mixed material obtained by step 3 and wind,
Extrusion temperature control is 220 ± 3 DEG C~250 ± 3 DEG C.
The beneficial effects of the present invention are: use polylactic acid and modified starch for basic material, so that the printing consumables has
There is preferable degradability；Added with polypropylene and aniline, so that the printing consumables has preferable tensile strength and mechanical property,
And the high-quality antioxidant of larger mass fraction is used, so that the printing consumables can store the longer time after opening packaging.
Specific embodiment
The present invention discloses a kind of modified polylactic acid 3D printing consumptive material and its preparation process, including polylactic acid, modified starch,
Polypropylene, aniline, pigment, dispersing agent, auxiliary agent, the auxiliary agent include lubricant, plasticizer, antioxidant.
Embodiment one:
A kind of preparation of modified polylactic acid 3D printing consumptive material carries out in accordance with the following steps:
Step 1: taking 60 parts of polylactic acid to be put into mixing machine, and 10 parts of polypropylene and 15 parts of aniline is added, and is turning
Speed mixes 3min under conditions of being 900rpm, obtains mixed material；
Step 2: 40 parts of modified starch and 3 parts of auxiliary agent are added in the mixed material obtained by step 1, is in revolving speed
6min is mixed under conditions of 1100rpm, obtains mixed material；
Step 3: 8 parts of dispersing agent and 2 parts of pigment are added in the mixed material obtained by step 2, is in revolving speed
6min is mixed under conditions of 1600rpm, obtains mixed material；
Step 4: being prepared into silk for the addition 3D printing consumptive material single screw extrusion machine of mixed material obtained by step 3 and wind,
Extrusion temperature control is 220 ± 3 DEG C.
Embodiment two:
A kind of preparation of modified polylactic acid 3D printing consumptive material carries out in accordance with the following steps:
Step 1: taking 70 parts of polylactic acid to be put into mixing machine, and 12 parts of polypropylene and 12 parts of aniline is added, and is turning
Speed mixes 4min under conditions of being 800rpm, obtains mixed material；
Step 2: 50 parts of modified starch and 4 parts of auxiliary agent are added in the mixed material obtained by step 1, is in revolving speed
7min is mixed under conditions of 900rpm, obtains mixed material；
Step 3: 9 parts of dispersing agent and 2.5 parts of pigment are added in the mixed material obtained by step 2, is in revolving speed
7min is mixed under conditions of 1800rpm, obtains mixed material；
Step 4: being prepared into silk for the addition 3D printing consumptive material single screw extrusion machine of mixed material obtained by step 3 and wind,
Extrusion temperature control is 225 DEG C ± 3.
Embodiment three:
A kind of preparation of modified polylactic acid 3D printing consumptive material carries out in accordance with the following steps:
Step 1: taking 50 parts of polylactic acid to be put into mixing machine, and 10 parts of polypropylene and 10 parts of aniline is added, and is turning
Speed mixes 3min under conditions of being 1200rpm, obtains mixed material；
Step 2: 30 parts of modified starch and 2.5 parts of auxiliary agent are added in the mixed material obtained by step 1, is in revolving speed
5min is mixed under conditions of 1200rpm, obtains mixed material；
Step 3: 6 parts of dispersing agent and 1.5 parts of pigment are added in the mixed material obtained by step 2, is in revolving speed
6min is mixed under conditions of 1600rpm, obtains mixed material；
Step 4: being prepared into silk for the addition 3D printing consumptive material single screw extrusion machine of mixed material obtained by step 3 and wind,
Extrusion temperature control is 220 DEG C ± 3.
Example IV:
A kind of preparation of modified polylactic acid 3D printing consumptive material carries out in accordance with the following steps:
Step 1: taking 65 parts of polylactic acid to be put into mixing machine, and 20 parts of polypropylene and 15 parts of aniline is added, and is turning
Speed mixes 4min under conditions of being 1000rpm, obtains mixed material；
Step 2: 60 parts of modified starch and 3 parts of auxiliary agent are added in the mixed material obtained by step 1, is in revolving speed
5min is mixed under conditions of 1100rpm, obtains mixed material；
Step 3: 8 parts of dispersing agent and 3 parts of pigment are added in the mixed material obtained by step 2, is in revolving speed
6min is mixed under conditions of 1500rpm, obtains mixed material；
Step 4: being prepared into silk for the addition 3D printing consumptive material single screw extrusion machine of mixed material obtained by step 3 and wind,
Extrusion temperature control is 230 DEG C ± 3.
Embodiment five:
A kind of preparation of modified polylactic acid 3D printing consumptive material carries out in accordance with the following steps:
Step 1: taking 58 parts of polylactic acid to be put into mixing machine, and 15 parts of polypropylene and 13 parts of aniline is added, and is turning
Speed mixes 4min under conditions of being 950rpm, obtains mixed material；
Step 2: 42 parts of modified starch and 3.5 parts of auxiliary agent are added in the mixed material obtained by step 1, is in revolving speed
4min is mixed under conditions of 1300rpm, obtains mixed material；
Step 3: 6 parts of dispersing agent and 3.5 parts of pigment are added in the mixed material obtained by step 2, is in revolving speed
7min is mixed under conditions of 1700rpm, obtains mixed material；
Step 4: being prepared into silk for the addition 3D printing consumptive material single screw extrusion machine of mixed material obtained by step 3 and wind,
Extrusion temperature control is 220 DEG C ± 3.
It should be noted last that: the above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although ginseng
It is described the invention in detail according to above-described embodiment, it will be apparent to an ordinarily skilled person in the art that: it still can be to this
Invention is modified or replaced equivalently, without departing from the spirit or scope of the invention, or any substitutions,
It is intended to be within the scope of the claims of the invention.
Claims (8)
1. a kind of modified polylactic acid 3D printing consumptive material, it is characterised in that: including polylactic acid, modified starch, polypropylene, aniline,
The consumption (mass fraction) of pigment, dispersing agent, auxiliary agent, above-mentioned raw materials is respectively as follows:
The auxiliary agent includes lubricant, plasticizer, antioxidant, and the consumption (mass fraction) of above-mentioned raw materials is respectively as follows:
0.4~2 part of lubricant
0.4~2 part of plasticizer
0.1~1 part of antioxidant.
2. a kind of modified polylactic acid 3D printing consumptive material according to claim 1, it is characterised in that: the consumption of above-mentioned raw materials
Amount (mass fraction) is respectively as follows:
The auxiliary agent includes lubricant, plasticizer, antioxidant, and the consumption (mass fraction) of above-mentioned raw materials is respectively as follows:
1 part of lubricant
1 part of plasticizer
0.3 part of antioxidant.
3. a kind of modified polylactic acid 3D printing consumptive material according to claim 2, it is characterised in that: above-mentioned each raw material disappears
Consumption (mass fraction) is respectively as follows:
The auxiliary agent includes lubricant, plasticizer, antioxidant, and the consumption (mass fraction) of above-mentioned raw materials is respectively as follows:
1.5 parts of lubricant
1.5 parts of plasticizer
1 part of antioxidant.
4. a kind of modified polylactic acid 3D printing consumptive material according to claim 2, it is characterised in that: the modified starch is
Carboxymethyl starch.
5. a kind of modified polylactic acid 3D printing consumptive material according to claim 1, it is characterised in that: the lubricant is hard
One of resin acid lead, zinc stearate, barium stearate, chlorinated paraffin or a variety of mixing.
6. a kind of modified polylactic acid 3D printing consumptive material according to claim 1, it is characterised in that: the plasticizer is
One of DOP, DNOP, DMP, DIDP or a variety of mixing.
7. a kind of modified polylactic acid 3D printing consumptive material according to claim 1, it is characterised in that: the antioxidant is anti-
One of oxygen agent 168, antioxidant 1135, antioxidant 224 or a variety of mixing.
8. a kind of be used to prepare a kind of preparation method of modified polylactic acid 3D printing consumptive material as described in claim 1, press
It is successively carried out according to following step:
Step 1: taking the polylactic acid of a certain amount of mass fraction to be put into mixing machine, and be added certain mass number polypropylene and
The aniline of certain mass number mixes 3min~5min under conditions of revolving speed is 800rpm~1200rpm, obtains mixture
Material；
Step 2: the modified starch of certain mass number and helping for certain mass number are added in the mixed material obtained by step 1
Agent mixes 4min~8min under conditions of revolving speed is 1000rpm~1400rpm, obtains mixed material；
Step 3: the dispersing agent of certain mass number and the face of certain mass number are added in the mixed material obtained by step 2
Material mixes 6min~8min under conditions of revolving speed is 1200rpm~1800rpm, obtains mixed material；
Step 4: the addition 3D printing consumptive material single screw extrusion machine of mixed material obtained by step 3 is prepared into silk and is wound, is squeezed out
Temperature control is 220 ± 3 DEG C~250 ± 3 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811165936.4A CN109337316A (en) | 2018-10-08 | 2018-10-08 | A kind of modified polylactic acid 3D printing consumptive material and its preparation process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811165936.4A CN109337316A (en) | 2018-10-08 | 2018-10-08 | A kind of modified polylactic acid 3D printing consumptive material and its preparation process |
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| CN109337316A true CN109337316A (en) | 2019-02-15 |
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| CN201811165936.4A Pending CN109337316A (en) | 2018-10-08 | 2018-10-08 | A kind of modified polylactic acid 3D printing consumptive material and its preparation process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681858A (en) * | 2021-07-07 | 2021-11-23 | 珠海市三绿实业有限公司 | Production method of polylactic acid 3D printing supplies |
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| CN104672616A (en) * | 2015-03-16 | 2015-06-03 | 深圳市光华伟业实业有限公司 | Woody 3D printing line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113681858A (en) * | 2021-07-07 | 2021-11-23 | 珠海市三绿实业有限公司 | Production method of polylactic acid 3D printing supplies |
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Application publication date: 20190215 |
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