CN107698800A - A kind of production technology of 3D printing resin - Google Patents
A kind of production technology of 3D printing resin Download PDFInfo
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- CN107698800A CN107698800A CN201710879363.0A CN201710879363A CN107698800A CN 107698800 A CN107698800 A CN 107698800A CN 201710879363 A CN201710879363 A CN 201710879363A CN 107698800 A CN107698800 A CN 107698800A
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- Prior art keywords
- production technology
- printing
- printing resin
- graphite
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
-
- 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
- B33Y10/00—Processes of additive manufacturing
-
- 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
-
- 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
- C08K3/02—Elements
- C08K3/04—Carbon
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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 production technology of 3D printing resin, the addition of the graphene oxide, the photocuring rate of composite can be improved, reduce the cubical contraction of photosensitive resin, and the curing degree of composite is with the addition of graphene oxide described in the increase first increases and then decreases of graphene oxide content, the tensile property and bending property of photosensitive resin can be improved, and tensile strength and bending strength are after first increasing with the increase of graphene oxide content and are gradually reduced, the production technology of the 3D printing resin has the tensile strength for making 3D printing material solidification part after printing, the advantages of heat resistance and high bending resistance, wide market.
Description
Technical field
The present invention relates to 3D printing field, more particularly to a kind of production technology of 3D printing resin.
Background technology
Light-cured resin solidifies, similar to paint, after hardening, similar to engineering plastics.The property of Stereolithography material
Can directly affect the quality and cost of molding part, the deformation in the precision of molding part, mechanical performance and process all with into
Section bar material is closely related.The advantages of optical soliton interaction material be that curing rate is fast, stock utilization is high, environmental pollution is small and into
The shape cycle is very short etc., but still has many weak points, needs further to be studied, such as poor transparency, and formation surface quality is poor,
Hardness is low, and toughness is low, and heat resistance is bad, and the solidification of these defects, which makes to be formed, partly cannot function as functional part directly use solidification,
It is substantially reduced its application.
CN105949418A discloses a kind of aluminum casting 3D printing resin and its production method, overcomes existing tradition casting
Deficiency of the aluminum component resin in terms of production cost and operating efficiency and environmental protection, and there is stable chemical performance, be applicable
In with 3D printing technique, production cost is low, easy to operate, environmentally friendly the advantages of, but there is 3D printing material after printing
The problem of solidifying the tensile strength, heat resistance and bending resistance of part.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of production technology of 3D printing resin, to solve prior art
In caused above-mentioned multinomial defect.
To achieve the above object, the present invention provides following technical scheme：A kind of production technology of 3D printing resin, including
Following steps：
(1) stir
The concentrated sulfuric acid and natural flake graphite are added in reactor first, are then stirred, the time of the stirring
For 10-20min, while silver nitrate and potassium permanganate are slowly added, be then stirred vigorously, obtain mixed liquor, the play
The time of strong stirring is 1-2h；
(2) heat
Water is added in mixed liquor, mixed liquor and water are then heated to 95-100 DEG C, then adds 30% hydrogen peroxide
10-14h is reacted, filtration treatment is carried out after reaction, obtains graphite base；
(3) dry
Then graphite base, which is put into baking oven, is dried, and obtains graphite chip solid, the temperature of the baking oven is 60-80
℃；
(4) grind
Graphite chip solid is ground by grinder, is then screened by sieving machine, obtains graphite powder, it is standby
With；
(5) prepared by graphene oxide
Weigh graphite powder to be put into reactor, be subsequently added into 8-12mg/mL mixed liquors, ultrasonic disperse 20-40min, obtain
To graphene oxide aqueous dispersions；
(6) prepare and pour liquid
Photosensitive resin is weighed to add in graphene oxide aqueous dispersions, after mechanical agitation 1h, then ultrasonic disperse 1h, Ran Houfang
Enter and 20-28h is stood in baking oven, obtain potting syrup；
(7) curing molding
Potting syrup is poured into steel mold, then mould is placed under uviol lamp and solidified, mould is finally opened, obtains 3D and beat
Print resin.
Preferably, 90-100h is stood after being stirred vigorously in the step (1).
Preferably, the time of heating is 20-60min in the step (2).
Preferably, washed in the step (2) after filtration treatment.
Preferably, the solution of the washing is deionized water and hydrochloric acid, and the mass fraction of the hydrochloric acid is 4-6%.
Preferably, the addition of photosensitive resin is 30-50g in the step (6).
Preferably, the temperature of baking oven is 45-55 DEG C in the step (6).
Preferably, vacuum removal bubble is carried out after being stood in the step (6).
Beneficial effect using above technical scheme is：A kind of production technology of 3D printing resin provided by the invention, institute
The addition of graphene oxide is stated, the photocuring rate of composite can be improved, reduces the cubical contraction of photosensitive resin, and it is compound
The curing degree of material can improve light with the addition of graphene oxide described in the increase first increases and then decreases of graphene oxide content
The tensile property and bending property of quick resin, and tensile strength and bending strength are first increased with the increase of graphene oxide content
Be gradually reduced again after big, the production technology of the 3D printing resin have make the tensile strength of 3D printing material solidification part after printing,
The advantages of heat resistance and high bending resistance, wide market.
Embodiment
The following detailed description of the preferred embodiment of the present invention.
Embodiment 1：
A kind of production technology of 3D printing resin, comprises the following steps：
(1) stir
The concentrated sulfuric acid and natural flake graphite are added in reactor first, are then stirred, the time of the stirring
For 10min, while silver nitrate and potassium permanganate are slowly added, be then stirred vigorously, stand 90h after being stirred vigorously, obtain
To mixed liquor, the time being stirred vigorously is 1h；
(2) heat
Water is added in mixed liquor, mixed liquor and water are then heated to 95 DEG C, then adds 30% hydroperoxidation
10h, filtration treatment is carried out after reaction, obtain graphite base, the time of the heating is 20min, is washed after the filtration treatment
Wash, the solution of the washing is deionized water and hydrochloric acid, and the mass fraction of the hydrochloric acid is 4%；
(3) dry
Then graphite base, which is put into baking oven, is dried, and obtains graphite chip solid, the temperature of the baking oven is 60 DEG C；
(4) grind
Graphite chip solid is ground by grinder, is then screened by sieving machine, obtains graphite powder, it is standby
With；
(5) prepared by graphene oxide
Weigh graphite powder to be put into reactor, be subsequently added into 8mg/mL mixed liquors, ultrasonic disperse 20min, aoxidized
Graphene aqueous dispersions；
(6) prepare and pour liquid
Photosensitive resin is weighed to add in graphene oxide aqueous dispersions, after mechanical agitation 1h, then ultrasonic disperse 1h, Ran Houfang
Enter and 20h is stood in baking oven, obtain potting syrup, the addition of photosensitive resin is 30g, and the temperature of the baking oven is 45 DEG C, described quiet
Postpone and carry out vacuum removal bubble；
(7) curing molding
Potting syrup is poured into steel mold, then mould is placed under uviol lamp and solidified, mould is finally opened, obtains 3D and beat
Print resin.
Embodiment 2：
A kind of production technology of 3D printing resin, comprises the following steps：
(1) stir
The concentrated sulfuric acid and natural flake graphite are added in reactor first, are then stirred, the time of the stirring
For 15min, while silver nitrate and potassium permanganate are slowly added, be then stirred vigorously, stand 95h after being stirred vigorously, obtain
To mixed liquor, the time being stirred vigorously is 1.5h；
(2) heat
Water is added in mixed liquor, mixed liquor and water are then heated to 98 DEG C, then adds 30% hydroperoxidation
12h, filtration treatment is carried out after reaction, obtain graphite base, the time of the heating is 40min, is washed after the filtration treatment
Wash, the solution of the washing is deionized water and hydrochloric acid, and the mass fraction of the hydrochloric acid is 5%；
(3) dry
Then graphite base, which is put into baking oven, is dried, and obtains graphite chip solid, the temperature of the baking oven is 70 DEG C；
(4) grind
Graphite chip solid is ground by grinder, is then screened by sieving machine, obtains graphite powder, it is standby
With；
(5) prepared by graphene oxide
Weigh graphite powder to be put into reactor, be subsequently added into 10mg/mL mixed liquors, ultrasonic disperse 30min, aoxidized
Graphene aqueous dispersions；
(6) prepare and pour liquid
Photosensitive resin is weighed to add in graphene oxide aqueous dispersions, after mechanical agitation 1h, then ultrasonic disperse 1h, Ran Houfang
Enter and 24h is stood in baking oven, obtain potting syrup, the addition of photosensitive resin is 40g, and the temperature of the baking oven is 50 DEG C, described quiet
Postpone and carry out vacuum removal bubble；
(7) curing molding
Potting syrup is poured into steel mold, then mould is placed under uviol lamp and solidified, mould is finally opened, obtains 3D and beat
Print resin.
Embodiment 3：
A kind of production technology of 3D printing resin, comprises the following steps：
(1) stir
The concentrated sulfuric acid and natural flake graphite are added in reactor first, are then stirred, the time of the stirring
For 20min, while silver nitrate and potassium permanganate are slowly added, be then stirred vigorously, stand 100h after being stirred vigorously, obtain
To mixed liquor, the time being stirred vigorously is 2h；
(2) heat
Water is added in mixed liquor, mixed liquor and water are then heated to 100 DEG C, then adds 30% hydroperoxidation
14h, filtration treatment is carried out after reaction, obtain graphite base, the time of the heating is 60min, is washed after the filtration treatment
Wash, the solution of the washing is deionized water and hydrochloric acid, and the mass fraction of the hydrochloric acid is 6%；
(3) dry
Then graphite base, which is put into baking oven, is dried, and obtains graphite chip solid, the temperature of the baking oven is 80 DEG C；
(4) grind
Graphite chip solid is ground by grinder, is then screened by sieving machine, obtains graphite powder, it is standby
With；
(5) prepared by graphene oxide
Weigh graphite powder to be put into reactor, be subsequently added into 12mg/mL mixed liquors, ultrasonic disperse 40min, aoxidized
Graphene aqueous dispersions；
(6) prepare and pour liquid
Photosensitive resin is weighed to add in graphene oxide aqueous dispersions, after mechanical agitation 1h, then ultrasonic disperse 1h, Ran Houfang
Enter and 28h is stood in baking oven, obtain potting syrup, the addition of photosensitive resin is 50g, and the temperature of the baking oven is 55 DEG C, described quiet
Postpone and carry out vacuum removal bubble；
(7) curing molding
Potting syrup is poured into steel mold, then mould is placed under uviol lamp and solidified, mould is finally opened, obtains 3D and beat
Print resin.
After process above, sample is taken out respectively, and measurement result is as follows：
It can be drawn according to above table data, when the parameter of embodiment 2, the 3D printing resin after production is than existing skill
The tensile strength and bending strength of 3D printing resin after art production are high, and heat resistance improves, and is now more beneficial for 3D printing
The coating of resin.
The invention provides a kind of production technology of 3D printing resin, the addition of the graphene oxide, can improve multiple
The photocuring rate of condensation material, reduce the cubical contraction of photosensitive resin, and the curing degree of composite is with graphene oxide content
Increase first increases and then decreases described in graphene oxide addition, the tensile property and bending property of photosensitive resin can be improved,
And tensile strength and bending strength are after first increasing with the increase of graphene oxide content and are gradually reduced, the 3D printing resin
Production technology there is the advantages of making the tensile strength of 3D printing material solidification part after printing, heat resistance and bending resistance are high, city
Field has a extensive future.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (8)
1. a kind of production technology of 3D printing resin, it is characterised in that comprise the following steps：
(1) stir
The concentrated sulfuric acid and natural flake graphite are added in reactor first, are then stirred, the time of the stirring is 10-
20min, while silver nitrate and potassium permanganate are slowly added, then it is stirred vigorously, obtains mixed liquor, it is described to be stirred vigorously
Time be 1-2h；
(2) heat
Water is added in mixed liquor, mixed liquor is then heated to 95-100 DEG C, then adds 30% hydroperoxidation 10-
14h, filtration treatment is carried out after reaction, obtains graphite base；
(3) dry
Then graphite base, which is put into baking oven, is dried, and obtains graphite chip solid, the temperature of the baking oven is 60-80 DEG C；
(4) grind
Graphite chip solid is ground by grinder, is then screened by sieving machine, obtains graphite powder, it is standby；
(5) prepared by graphene oxide
Weigh graphite powder to be put into reactor, be subsequently added into 8-12mg/m L mixed liquors, ultrasonic disperse 20-40min, obtain oxygen
Graphite alkene aqueous dispersions；
(6) prepare and pour liquid
Photosensitive resin is weighed to add in graphene oxide aqueous dispersions, after mechanical agitation 1h, then ultrasonic disperse 1h, it is then placed in baking
20-28h is stood in case, obtains potting syrup；
(7) curing molding
Potting syrup is poured into steel mold, then mould is placed under uviol lamp and solidified, mould is finally opened, obtains 3D printing tree
Fat.
2. the production technology of a kind of 3D printing resin according to claim 1, it is characterised in that acute in the step (1)
90-100h is stood after strong stirring.
3. the production technology of a kind of 3D printing resin according to claim 1, it is characterised in that add in the step (2)
The time of heat is 20-60min.
A kind of 4. production technology of 3D printing resin according to claim 1, it is characterised in that mistake in the step (2)
Washed after filter processing.
5. the production technology of a kind of 3D printing resin according to claim 4, it is characterised in that the solution of the washing is
Deionized water and hydrochloric acid, the mass fraction of the hydrochloric acid is 4-6%.
A kind of 6. production technology of 3D printing resin according to claim 1, it is characterised in that light in the step (6)
The addition of quick resin is 30-50g.
7. the production technology of a kind of 3D printing resin according to claim 1, it is characterised in that dried in the step (6)
The temperature of case is 45-55 DEG C.
8. the production technology of a kind of 3D printing resin according to claim 1, it is characterised in that quiet in the step (6)
Postpone and carry out vacuum removal bubble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710879363.0A CN107698800A (en) | 2017-09-26 | 2017-09-26 | A kind of production technology of 3D printing resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710879363.0A CN107698800A (en) | 2017-09-26 | 2017-09-26 | A kind of production technology of 3D printing resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107698800A true CN107698800A (en) | 2018-02-16 |
Family
ID=61174422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710879363.0A Pending CN107698800A (en) | 2017-09-26 | 2017-09-26 | A kind of production technology of 3D printing resin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107698800A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639421A (en) * | 2013-12-04 | 2014-03-19 | 北京印刷学院 | Preparation method for high-conductivity graphene and silver nanoparticle composite materials |
| CN105885268A (en) * | 2016-05-21 | 2016-08-24 | 桂林理工大学 | Preparation method of magnetic graphene 3D printing supplies |
| CN106675075A (en) * | 2016-11-25 | 2017-05-17 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Photosensitive resin material for 3D (Three-dimensional) printing and preparation method thereof |
-
2017
- 2017-09-26 CN CN201710879363.0A patent/CN107698800A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639421A (en) * | 2013-12-04 | 2014-03-19 | 北京印刷学院 | Preparation method for high-conductivity graphene and silver nanoparticle composite materials |
| CN105885268A (en) * | 2016-05-21 | 2016-08-24 | 桂林理工大学 | Preparation method of magnetic graphene 3D printing supplies |
| CN106675075A (en) * | 2016-11-25 | 2017-05-17 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Photosensitive resin material for 3D (Three-dimensional) printing and preparation method thereof |
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Application publication date: 20180216 |