CN106832709A - A kind of PVB bases 3D printing wire rod and preparation method thereof - Google Patents
A kind of PVB bases 3D printing wire rod and preparation method thereof Download PDFInfo
- Publication number
- CN106832709A CN106832709A CN201710088658.6A CN201710088658A CN106832709A CN 106832709 A CN106832709 A CN 106832709A CN 201710088658 A CN201710088658 A CN 201710088658A CN 106832709 A CN106832709 A CN 106832709A
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- Prior art keywords
- pvb
- parts
- wire rod
- bases
- printing wire
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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
- C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
-
- 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
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four 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 PVB bases 3D printing wire rod, it is made up of according to weight portion following raw material：2.5 4 parts of 90 110 parts of PVB resin, 34 parts of compatilizer, 1.5 3.5 parts of paraffin oil, 5 6.5 parts of antioxidant and plasticizer.The present invention also disclosed the preparation method of the wire rod.Extensively, preparation method is simple, low production cost, it is adaptable to large-scale industrial production for raw material sources of the invention；Product prepared by the present invention has the advantages that anisotropy is good, soft, melt-processible is good, elastic good and translucency is good, can be not only used for being supported printing in 3D printer, while ensureing printed product precision, the product of printing is after water process, surface smoothness is also significantly lifted, wide market.
Description
Technical field
The present invention relates to 3D printing field, specifically a kind of PVB bases 3D printing wire rod.
Background technology
3D printing (3DP) is one kind of rapid shaping technique, and it is a kind of based on mathematical model file, with powder
Shape metal or plastic wire etc. can jointing material, come the technology of constructed object by way of successively printing.3D printing technique is
A kind of wide variety of rapid shaping technique, its production technology principle is：Target manufactured parts is set up by computer first
Three-dimensional data model, then carries out slicing treatment by corresponding three-dimensional demixing technology to threedimensional model, so as to obtain one with
Tangent plane is combined for the data message of unit, under control of the computer, by the corresponding data of unit tangent plane, to fusible material
Successively printed, be finally completed the processing and manufacturing of corresponding complex parts.But after the completion of printing, product surface is due to piling up
It is molded and forms substantial amounts of projection, be unfavorable for the attractive in appearance of product, on the other hand, when printing hollow out product is needed, it is necessary to use
Necessary backing material, can fast and effeciently to be removed after printing completely, similar to the traditional lost-wax process technique of China, this
Just for the use of people brings inconvenience.
The content of the invention
It is an object of the invention to provide a kind of PVB bases 3D printing wire rod, with asking for solving to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：
A kind of PVB bases 3D printing wire rod, is made up of following raw material according to weight portion：PVB resin 90-110 parts, compatilizer 3-
4 parts, paraffin oil 1.5-3.5 parts, antioxidant 5-6.5 parts and plasticizer 2.5-4 parts.
As further scheme of the invention：PVB resin molecular weight distribution index is between 2.0-2.5, number-average molecular weight
15-20 ten thousand, vinyl alcohol mass fraction is 15-20%, and acetalizing degree is 75-80%, and melt index is 4-6.
As further scheme of the invention：Compatilizer is the mixing of the one or two kinds of of EVA and EVA-g-MAH
Thing；Paraffin oil is that carbon number is the hydrocarbon mixture of 18-30；Antioxidant is Hinered phenols antioxidant and phosphite antioxidant
Compound system；Plasticizer be Triethyleneglycol di 2 ethylhexanoate, diethylene glycol dibenzoate, triphenyl phosphate in one kind or
Various compounds.
The preparation method of the PVB bases 3D printing wire rod, comprises the following steps that：
Step one, weighs material, the batch mixing 10-15min in high mixer, and then control rotating speed is put in 200-300r/min
It is standby in 60-80 DEG C of vacuum oven 5-8h；
Step 2, dried raw material is imported in single screw extrusion machine, the temperature control of extruder at 150-185 DEG C,
By raw materials melt, extruded by single hole extruder head；
Step 3, by a series of air-cooled, drawing-offs of melt extrusion and winds, and obtains the PVB of a diameter of 1.75mm or 3.00mm
Base 3D printing wire rod.
Compared with prior art, the beneficial effects of the invention are as follows：Extensively, preparation method is simple for raw material sources of the invention,
Low production cost, it is adaptable to large-scale industrial production；Product prepared by the present invention has anisotropy good, soft, fusible
Melt that processability is good, the elastic good and good advantage of translucency, can be not only used for being supported printing in 3D printer, it is ensured that print
While Product Precision, after water process, surface smoothness is also significantly lifted the product of printing, wide market.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Embodiment 1
It is made up of according to weight portion following raw material：100 parts of PVB resin, 3 parts of compatilizer, 1.5 parts of paraffin oil, 5 parts of antioxidant
With 2.5 parts of plasticizer.PVB resin molecular weight distribution index is 2.2, and number-average molecular weight is 160,000, and vinyl alcohol mass fraction is
17%, acetalizing degree is 77%, and melt index is 5.
The preparation method of the PVB bases 3D printing wire rod, comprises the following steps that：
Step one, weighs material, the batch mixing 10min in high mixer, and control rotating speed is subsequently placed in 80 DEG C very in 240r/min
8h is dried in empty baking oven, it is standby；
Step 2, dried raw material is imported in single screw extrusion machine, and the temperature control of extruder is extruded at 180 DEG C
The temperature of head is 175 DEG C, and raw materials melt is extruded by single hole extruder head；
Step 3, by a series of air-cooled, drawing-offs of melt extrusion and winds, and obtains the PVB of a diameter of 1.75mm or 3.00mm
Base 3D printing wire rod.
Embodiment 2
It is made up of according to weight portion following raw material：100 parts of PVB resin, 4 parts of compatilizer, 2.5 parts of paraffin oil, 6 parts of antioxidant
With 4 parts of plasticizer.Compatilizer is the mixture of EVA and two kinds of EVA-g-MAH；Paraffin oil mixes for the hydro carbons that carbon number is 24
Thing；Antioxidant is Hinered phenols antioxidant and phosphite antioxidant compound system；Plasticizer is two -2 ethyl hexanoic acid of triethylene glycol
Compound in ester, diethylene glycol dibenzoate, triphenyl phosphate.
The preparation method of the PVB bases 3D printing wire rod, comprises the following steps that：
Step one, weighs material, the batch mixing 15min in high mixer, and control rotating speed is subsequently placed in 80 DEG C very in 300r/min
5-8h is dried in empty baking oven, it is standby；
Step 2, dried raw material is imported in single screw extrusion machine, and the temperature control of extruder is extruded at 160 DEG C
The temperature of head is 175 DEG C, and raw materials melt is extruded by single hole extruder head；
Step 3, by a series of air-cooled, drawing-offs of melt extrusion and winds, and obtains the PVB of a diameter of 1.75mm or 3.00mm
Base 3D printing wire rod.
Extensively, preparation method is simple, low production cost for raw material sources of the invention, it is adaptable to which large-scale industrialization is given birth to
Produce；Product prepared by the present invention has the advantages that anisotropy is good, soft, melt-processible is good, elastic good and translucency is good,
Can be not only used for being supported printing in 3D printer, it is ensured that while printed product precision, the product of printing is through water process
Afterwards, surface smoothness is also significantly lifted, wide market.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (4)
1. a kind of PVB bases 3D printing wire rod, it is characterised in that be made up of according to weight portion following raw material：PVB resin 90-110
Part, compatilizer 3-4 parts, paraffin oil 1.5-3.5 parts, antioxidant 5-6.5 parts and plasticizer 2.5-4 parts.
2. PVB bases 3D printing wire rod according to claim 1, it is characterised in that the PVB resin molecular weight distribution index
Between 2.0-2.5, number-average molecular weight is 15-20 ten thousand, and vinyl alcohol mass fraction is 15-20%, and acetalizing degree is 75-80%, is melted
Melt index for 4-6.
3. PVB bases 3D printing wire rod according to claim 1 and 2, it is characterised in that the compatilizer is EVA and EVA-
The mixture of the one or two kinds of of g-MAH；Paraffin oil is that carbon number is the hydrocarbon mixture of 18-30；Antioxidant is to be obstructed
Phenolic antioxidant and phosphite antioxidant compound system；Plasticizer is Triethyleneglycol di 2 ethylhexanoate, diethylene glycol (DEG) hexichol first
One or more in acid esters, triphenyl phosphate of compound.
4. a kind of preparation method of PVB base 3D printing wire rods as described in claim 1-3 is any, it is characterised in that specific step
It is rapid as follows：
Step one, weighs material, the batch mixing 10-15min in high mixer, and control rotating speed is subsequently placed in 60- in 200-300r/min
80 DEG C of vacuum oven 5-8h, it is standby；
Step 2, dried raw material is imported in single screw extrusion machine, the temperature control of extruder at 150-185 DEG C, by original
Material melting, is extruded by single hole extruder head；
Step 3, by a series of air-cooled, drawing-offs of melt extrusion and winds, and obtains the PVB bases 3D of a diameter of 1.75mm or 3.00mm
Printing wire rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710088658.6A CN106832709A (en) | 2017-02-20 | 2017-02-20 | A kind of PVB bases 3D printing wire rod and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710088658.6A CN106832709A (en) | 2017-02-20 | 2017-02-20 | A kind of PVB bases 3D printing wire rod and preparation method thereof |
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| CN106832709A true CN106832709A (en) | 2017-06-13 |
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| CN201710088658.6A Pending CN106832709A (en) | 2017-02-20 | 2017-02-20 | A kind of PVB bases 3D printing wire rod and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107353550A (en) * | 2017-07-11 | 2017-11-17 | 杭州卓普新材料科技有限公司 | A kind of 3D printing backing material and preparation method thereof |
| CN107674353A (en) * | 2017-09-11 | 2018-02-09 | 浙江闪铸三维科技有限公司 | A kind of surface can smooth treatment FDM printing consumables and its preparation technology |
| CN108503939A (en) * | 2018-03-22 | 2018-09-07 | 重庆知遨科技有限公司 | A kind of 3D printing glass and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105462130A (en) * | 2015-12-24 | 2016-04-06 | 福建省蓝天阳信息科技有限公司 | Special alcohol-soluble supporting wire for 3D printers and manufacturing technique thereof |
-
2017
- 2017-02-20 CN CN201710088658.6A patent/CN106832709A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105462130A (en) * | 2015-12-24 | 2016-04-06 | 福建省蓝天阳信息科技有限公司 | Special alcohol-soluble supporting wire for 3D printers and manufacturing technique thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107353550A (en) * | 2017-07-11 | 2017-11-17 | 杭州卓普新材料科技有限公司 | A kind of 3D printing backing material and preparation method thereof |
| CN107674353A (en) * | 2017-09-11 | 2018-02-09 | 浙江闪铸三维科技有限公司 | A kind of surface can smooth treatment FDM printing consumables and its preparation technology |
| CN108503939A (en) * | 2018-03-22 | 2018-09-07 | 重庆知遨科技有限公司 | A kind of 3D printing glass and preparation method thereof |
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Application publication date: 20170613 |