CN107698952B - A kind of 3D printing porous material and preparation method thereof expanding drilling - Google Patents
A kind of 3D printing porous material and preparation method thereof expanding drilling Download PDFInfo
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- CN107698952B CN107698952B CN201711118160.6A CN201711118160A CN107698952B CN 107698952 B CN107698952 B CN 107698952B CN 201711118160 A CN201711118160 A CN 201711118160A CN 107698952 B CN107698952 B CN 107698952B
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Abstract
The present invention discloses a kind of 3D printing porous material and preparation method thereof for expanding drilling.The porous material is matrix resin 70-80 according to weight percent composition, is crosslinked polypyrrole alkanone (PVPP) 5-15, adsorbs particle 10-20.The preparation method comprises the following steps: 1, preparation absorption particle；2, each component is mixed and 3D printing wire rod is made by melting extrusion；3, specific structure is printed as by FDM technology；4, it finally handles to obtain the 3D printing material of expanded porous by warming and humidifying obturator.The present invention prepares the open support skeleton of fine particle using efficient accurately FDM technology.Preparation process is simple, low energy consumption overcomes polysaccharide with more difficult after solution, powder, microballoon and gel form processing heavy metal or dyestuff and adsorbent and solution separation is caused secondary pollution as adsorbent, with certain recycling performance, realizes the green circulatory of material and efficiently utilize.
Description
Technical field
The invention belongs to Material Fields, and in particular to a kind of 3D printing porous material for expanding drilling.
Background technique
With the progress of industrial development and mankind's science and technology, the energy shortage to become increasingly conspicuous and problem of environmental pollution increasingly by
To the attention of people.Water pollution caused by heavy metal and dyestuff is always a serious environmental problem.Heavy metal ion and
Synthetic dyestuffs are to common are poison, carcinogen, they are not easy to be biodegradable, and in vivo by food chain enrichment, are led
Various diseases and disorder are caused to generate.The heavy metal and dyestuff of this kind of stubbornness are mainly adopted since it is widely used in waste water
Mine, metal finishing, drawing, printing-flow and Production of manure etc. are industrial.It can be side for the removal of heavy metal and dyestuff to generate
Side removal, can also unify removal after generation.Most of chemical production process are carried out in various forms of reactors
, the exploitation of structured reactors, catalyst or adsorbent can be effectively improved reactivity, augmentation of heat transfer and mass transfer, drop
Low pressure drop loss has very important meaning for improving production efficiency or more preferable large-scale production, therefore by more next
More concerns, expansion pore 3D printing porous material have just agreed with this social demand, have realized the device of adsorbent,
Can be easy apply to chemical production process, can also largely put into wastewater from chemical industry subsequent processing.
Currently, common adsorbent is mainly clay mineral adsorbent (such as montmorillonite, diatomite, galapectite and rectorite
Deng), carbon material adsorbent (such as active carbon, graphene, carbon nanotube), synthesis polymeric sorbent (such as polyaniline), clipped wire
Sub- adsorbent (such as Mg, Zn), this kind of adsorbent plays obvious action in sewage treatment, but its preparation process is cumbersome,
Energy is consumed, it is at high cost, and wherein most sorbent circulation is big using difficulty, it is difficult to secondary use.
Synthesis polymeric sorbent has simple, less toxic or nontoxic, good environmental stability, exists on polymer backbone
The advantages that functional groups, this has been a great concern application of the synthesis high molecular material in terms of water process.Polymerization
Object adsorbent is internal during processing to be difficult to pore-creating, is not easy to form uniform porous structure, leads to lower specific surface area, after
And influence adsorption effect.However the Polymer Processing for having some comparisons to be suitble to green pore-creating is difficult, it is difficult to altogether with the melting of matrix tree
It is mixed, influence subsequent manufacture, crosslinking polypyrrole alkanone (PVPP) is white or near-white, there is hygroscopicity, runny powder,
Odorless, not soluble in water, alkali, acid and common organic solvent have very strong expansion character and the complexing power with multiclass substance；
PVPP also has high capillary activity and excellent hydration capability.PVPP is added in the present invention to be promptly absorbed into resin for water
In, so that steam is spread pore-creating in resin rapidly.There is floded molecule chain between PVPP crosslinking simultaneously, when water or aqueous solution penetrate into
When force it to extend and separate, this provides possibility for the expansion pore-creating of subsequent 3D printing material.And in its molecular structure
On polyethylene backbone close-packed arrays pyrrolidone ring, polymer molecule surface is substantially by the methylene on main chain and pyrrolidone ring
Base is covered, so, the biggish dye molecule of relative molecular mass, because with PVPP molecule interchain formed biggish Van der Waals force and
Hydrophobic effect causes the two association stronger.Simultaneously as a large amount of carbonyl continuous arrangements in pyrrolidone ring are at PVPP points
Subchain side can form hydrogen bond action with the hydroxyl in dye molecule, amino groups, strengthen the association of the two.Separately
Outside, tertiary amine nitrogen-atoms is contained on pyrrole ring, a small amount of hydrogen ion can be adsorbed and form PVPP to anionic dye with weak positive charge
Cooperation is with becoming apparent from.
Polysaccharide is a kind of natural polymeric material.It since polysaccharide resource is very rich, and is the renewable money of low cost
Source, polysaccharide or derivatives thereof also favor the absorption property of heavy metal and toxic dye extensively.Polysaccharide and its derivative are excellent
Elegant absorption behavior is mainly due to: (1) on glucose group great amount of hydroxy group presence；(2) there are a large amount of functional group's (second
Amide groups, amino and hydroxyl)；(3) the high chemical activity of these groups；(4) flexible structure of polymer chain.Polysaccharide and crosslinking
Polypyrrole alkanone can play synergistic effect during adsorbing heavy metal or dyestuff to expansion pore 3D printing porous material, mention
High removal efficiency.
Inorganic particle, it is from a wealth of sources, it is cheap, carrier is provided for polysaccharide, avoids being coated by resin, increases its specific surface
Product improves absorption property.
Currently, also there is reported in literature to carry out water-soluble pore-creating to polymer using polyvinyl alcohol (PVA), polyvinyl alcohol is one
Kind organic compound, white plates, cotton-shaped or pulverulent solids are tasteless, are dissolved in water (95 DEG C or more), can be used as green pore
Agent, but since its degradation temperature is lower than temperature is dissolved in, other stabilizers need to be added in processing difficulties, this brings one to processing
Fixed difficulty.Therefore selective cross-linking polypyrrole alkanone (PVPP) will not then have problems that as expansion pore-foaming agent, and in weight
Synergistic effect can be generated with polysaccharide in the processing of metal and toxic dye waste water, preferably purification of waste water is regenerated.
What matrix resin selection had good mechanical strength and a biocompatibility can be used for the poly- of fused glass pellet (FDM)
Object is closed, the skeleton of polymer absorbant is prepared, realizes the device of adsorbent.
Summary of the invention
For above-mentioned background and problem, the purpose of the present invention aim to solve the problem that existing porous adsorbing material preparation process it is cumbersome,
Energy consumption is high, subsequent processing difficulty is big, be easy to cause secondary pollution problems, provides a kind of 3D printing porous material for expanding pore
And preparation method thereof.The preparation of 3D printing expanded porous material made from this method is easy, and energy consumption is small, at low cost, and to containing heavy
Metal or the treatment effeciency of toxic dye are high, and recycling is simple, can efficient circulation utilization.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of 3D printing porous material expanding drilling, is made of the component of following weight percent:
Matrix resin 70-80
Swelling agent 5-15
Adsorb particle 10-20.
The preparation method of the described absorption particle the following steps are included:
Certain proportion polysaccharide is put into acetic acid solution and is dissolved, after polysaccharide is completely dissolved, appropriate inorganic particle is added, high speed
1h is stood after blender stirring 0.5h, so that its surface is coated polysaccharide completely, is adsorbed after being placed in vacuum oven and dry, pulverize
Particle.
The inorganic particle it is at least a kind of selected from calcium carbonate, mica, talcum powder and barium sulfate or calcium carbonate,
Any mixture of one or more of mica, talcum powder and barium sulfate；The polysaccharide is at least a kind of to be selected from shell
Glycan, lentinan, tremella polysaccharides, Polysaccharides in Bamboo Leaves and laminarin or chitosan, lentinan, tremella polysaccharides, the leaf of bamboo
Any mixture of one or more of polysaccharide and laminarin.
The dissolving ratio of the polysaccharide and acetic acid is 50-120g:100-260ml；The polysaccharide solution and inorganic particle
Mass ratio is 1:5-1:10；The high speed agitator revolving speed is 800-2000rpm；The vacuum drying temperature is 50-200
℃；Time is 8-24h.
The matrix resin is at least a kind of to be selected from polylactic acid (PLA), acrylonitrile-butadiene-styrene (ABS) (ABS), gathers
Ethylene glycol terephthalate -1,4 cyclohexane dimethanol ester (PETG), polyamide (PA), poly butylene succinate (PBS)
With thermoplastic polyurethane (TPU) or polylactic acid (PLA), acrylonitrile-butadiene-styrene (ABS) (ABS), poly terephthalic acid
Glycol ester -1,4 cyclohexane dimethanol ester (PETG), polyamide (PA), poly butylene succinate (PBS) and thermoplastic poly
Any mixture of one or more of urethane (TPU)；The swelling agent is crosslinking polypyrrole alkanone (PVPP).
The porous material is porous network structure, and aperture is 0.005 μm -10 μm.
A kind of preparation method of the 3D printing porous material of the expansion drilling, comprising the following steps:
A. it is granulated after mixing matrix resin, crosslinking polypyrrole alkanone and absorption particle by screw rod melting extrusion, by institute
Pellet is obtained by wire rod machine travel into 3D printing wire rod；
B. the 3D printing wire rod that step A is obtained is printed as specific structure device by FDM technology；
C. the specific structure device that step B is obtained is put into the airtight heating device equipped with humidifier, is given specific
Humidity and temperature, by the regular hour obtain expansion pore 3D printing porous material, the porous material be it is porous
Reticular structure, aperture are 0.005 μm -10 μm.
Obturator humidity is 35-60%rh in the step C, and temperature is 80-300 DEG C, time 10-100min.
The invention has the benefit that 1) expanded porous material of the present invention uses FDM forming technique that adsorbent skeleton is made,
Printing precision is high, and structure-controllable provides skeletal support for small absorption particle, solves the problems, such as subsequent recovery；2) present invention system
The 3D printing expanded porous material expansion poration process obtained is easy, less energy-consuming；3) 3D printing expanded porous material produced by the present invention
Material efficiently applies to the wastewater treatment of heavy metal and toxic dye;4) 3D printing expanded porous material produced by the present invention can follow
Ring uses, and realizes the objective of resource green circulatory.
Detailed description of the invention
Fig. 1 is a kind of expansion pore 3D printing porous material exterior appearance figure.
Fig. 2 is a kind of expansion pore 3D printing porous material scanning electron microscope (SEM) photograph.
Specific embodiment
Son is described in further details the present invention combined with specific embodiments below, but this should not be interpreted as of the invention
Range is only limitted to following embodiment.
Embodiment 1
A kind of 3D printing porous material expanding drilling, which is characterized in that be made of the component of following weight percent:
Polylactic acid (PLA) 70
It is crosslinked polypyrrole alkanone (PVPP) 10
Adsorb particle 20
1) described in absorption particle preparation the following steps are included:
50g chitosan is put into 100ml acetic acid solution and is dissolved, after chitosan is completely dissolved, 500g calcium carbonate is added, it is high
Speed stirring, revolving speed 1000rpm stand 1h after handling 0.5h, are placed in vacuum oven, and dry 600min at 50 DEG C is obtained after crushing
To absorption particle.
2) a kind of preparation method for the 3D printing porous material for expanding drilling, comprising the following steps:
A. polylactic acid (PLA) 1.75kg, crosslinking polypyrrole alkanone 0.25kg and step 1) absorption particle 0.5kg obtained are equal
Be granulated after even mixing by screw rod melting extrusion, extrusion temperature is set as 145,150,160,165,175,180,185,180,
175,165 DEG C, 200 rpm of main-machine screw revolving speed；Obtained master batch is added to wire rod extruder feed opening, wire rod extruder
Parameter are as follows: 150 DEG C of an area, two 160 DEG C of areas, three 175 DEG C of areas, four 170 DEG C of areas, five 160 DEG C of areas, revolving speed 10-150rpm/min；
The wire rod that die orifice squeezes out is cooled down by air-cooled, obtains extrusion of wire；It is wound by coil winder bundled, obtains 3D printing line
Material, the frequency for the dragger that coil winder is connected are 15HZ.
B. the 3D printing wire rod that step A is obtained is printed as specific structure device, print temperature 180 by FDM technology
DEG C, baseplate temp be 60 DEG C, print speed 50mm/s, printing thickness be 0.1mm；
C. the specific structure device that step B is obtained is put into the airtight heating device equipped with humidifier, temperature is set
80 DEG C, humidity 38%rh, the 3D printing porous material of expansion pore is obtained by 15min, the 3D printing porous material is more
Hole reticular structure, aperture are 0.1 μm.
Embodiment 2
A kind of 3D printing porous material expanding drilling, which is characterized in that be made of the component of following weight percent:
Acrylonitrile-butadiene-styrene (ABS) (ABS) 72
It is crosslinked polypyrrole alkanone (PVPP) 9
Adsorb particle 19
1) described in absorption particle preparation the following steps are included:
60g lentinan is put into 120ml acetic acid solution and is dissolved, after lentinan is completely dissolved, 520g carbonic acid is added
Calcium, high-speed stirred, revolving speed 1200rpm stand 1h after handling 0.5h, are placed in vacuum oven, and dry 620min at 75 DEG C is crushed
After obtain absorption particle.
2) a kind of preparation method for the 3D printing porous material for expanding drilling, comprising the following steps:
A. acrylonitrile-butadiene-styrene (ABS) (ABS) 1.970kg, crosslinking polypyrrole alkanone 0.243kg and step 1) are made
Absorption particle 0.520kg pass through screw rod melting extrusion after evenly mixing and be granulated, 195 DEG C, 200 DEG C, 205 DEG C, 215 DEG C, 220
DEG C, 230 DEG C, 235 DEG C, 235 DEG C, 230 DEG C, engine speed 200r/min;；Obtained master batch is added to the charging of wire rod extruder
Mouthful, wire rod extruder parameter are as follows: 190 DEG C of an area, two 200 DEG C of areas, three 230 DEG C of areas, four 230 DEG C of areas, five 215 DEG C of areas, revolving speed are
10-150rpm/min；The wire rod that die orifice squeezes out is cooled down by air-cooled, obtains extrusion of wire；Wound by coil winder it is bundled,
3D printing wire rod is obtained, the frequency for the dragger that coil winder is connected is 20HZ.
B. the 3D printing wire rod that step A is obtained is printed as specific structure device, print temperature 235 by FDM technology
DEG C, baseplate temp be 115 DEG C, print speed 50mm/s, printing thickness be 0.2mm；
C. the specific structure device that step B is obtained is put into the airtight heating device equipped with humidifier, temperature is set
It is 120 DEG C, humidity 40%rh, obtains the 3D printing porous material of expansion pore, the porous material of the 3D printing by 18min
Material is porous network structure, and aperture is 2 μm.
Embodiment 3
A kind of 3D printing porous material expanding drilling, which is characterized in that be made of the component of following weight percent:
Polyethylene terephthalate -1,4 cyclohexane dimethanol ester (PETG) 75
It is crosslinked polypyrrole alkanone (PVPP) 10
Adsorb particle 15
1) described in absorption particle preparation the following steps are included:
70g tremella polysaccharides are put into 140ml acetic acid solution and are dissolved, after tremella polysaccharides are completely dissolved, 550g sulfuric acid is added
Barium, high-speed stirred, revolving speed 1200rpm stand 1h after handling 0.5h, are placed in vacuum oven, and dry 620min at 75 DEG C is crushed
After obtain absorption particle.
2) a kind of preparation method for the 3D printing porous material for expanding drilling, comprising the following steps:
A. acrylonitrile-butadiene-styrene (ABS) (ABS) 3.000kg, crosslinking polypyrrole alkanone 0.375kg and step 1) are made
Absorption particle 0.600kg pass through screw rod melting extrusion after evenly mixing and be granulated, 195 DEG C, 200 DEG C, 205 DEG C, 215 DEG C, 220
DEG C, 230 DEG C, 235 DEG C, 235 DEG C, 230 DEG C, engine speed 200r/min;；Obtained master batch is added to the charging of wire rod extruder
Mouthful, wire rod extruder parameter are as follows: 190 DEG C of an area, two 200 DEG C of areas, three 235 DEG C of areas, four 230 DEG C of areas, five 215 DEG C of areas, revolving speed are
10-150rpm/min；The wire rod that die orifice squeezes out is cooled down by air-cooled, obtains extrusion of wire；Wound by coil winder it is bundled,
3D printing wire rod is obtained, the frequency for the dragger that coil winder is connected is 20HZ.
B. the 3D printing wire rod that step A is obtained is printed as specific structure device, print temperature 235 by FDM technology
DEG C, baseplate temp be 65 DEG C, print speed 50mm/s, printing thickness be 0.1mm；
C. the specific structure device that step B is obtained is put into the airtight heating device equipped with humidifier, temperature is set
It is 150 DEG C, humidity 45%rh, obtains the 3D printing porous material of expansion pore, the porous material of the 3D printing by 20min
Material is porous network structure, and aperture is 0.5 μm.
Embodiment 4
A kind of 3D printing porous material expanding drilling, which is characterized in that be made of the component of following weight percent:
Polyamide (PA) 78
It is crosslinked polypyrrole alkanone (PVPP) 8
Adsorb particle 14
1) described in absorption particle preparation the following steps are included:
65g Polysaccharides in Bamboo Leaves is put into 130ml acetic acid solution and is dissolved, after Polysaccharides in Bamboo Leaves is completely dissolved, 500g talcum is added
Powder, high-speed stirred, revolving speed 1100rpm stand 1h after handling 0.5h, are placed in vacuum oven, and dry 700min at 70 DEG C is crushed
After obtain absorption particle.
2) a kind of preparation method for the 3D printing porous material for expanding drilling, comprising the following steps:
A. acrylonitrile-butadiene-styrene (ABS) (ABS) 2.786kg, crosslinking polypyrrole alkanone 0.286kg and step 1) are made
Absorption particle 0.5kg pass through screw rod melting extrusion after evenly mixing and be granulated, 195 DEG C, 200 DEG C, 205 DEG C, 215 DEG C, 220 DEG C,
220 DEG C, 215 DEG C, 215 DEG C, 200 DEG C, engine speed 200r/min;；Obtained master batch is added to wire rod extruder feed opening,
Wire rod extruder parameter are as follows: 190 DEG C of an area, two 200 DEG C of areas, three 220 DEG C of areas, four 220 DEG C of areas, five 210 DEG C of areas, revolving speed 10-
150rpm/min；The wire rod that die orifice squeezes out is cooled down by air-cooled, obtains extrusion of wire；It is wound bundled, obtained by coil winder
The frequency of the dragger connected to 3D printing wire rod, coil winder is 20HZ.
B. the 3D printing wire rod that step A is obtained is printed as specific structure device, print temperature 235 by FDM technology
DEG C, baseplate temp be 65 DEG C, print speed 60mm/s, printing thickness be 0.05mm；
C. the specific structure device that step B is obtained is put into the airtight heating device equipped with humidifier, temperature is set
It is 160 DEG C, humidity 50%rh, obtains the 3D printing porous material of expansion pore, the porous material of the 3D printing by 15min
Material is porous network structure, and aperture is 5 μm.
Embodiment 5
A kind of 3D printing porous material expanding drilling, which is characterized in that be made of the component of following weight percent:
Polylactic acid (PLA) 60
Poly butylene succinate (PBS) 16
It is crosslinked polypyrrole alkanone (PVPP) 12
Adsorb particle 12
1) described in absorption particle preparation the following steps are included:
78g laminarin is put into 150ml acetic acid solution and is dissolved, after laminarin is completely dissolved, 480g talcum is added
Powder, high-speed stirred, revolving speed 1300rpm stand 1h after handling 0.5h, are placed in vacuum oven, and dry 600min at 50 DEG C is crushed
After obtain absorption particle.
2) a kind of preparation method for the 3D printing porous material for expanding drilling, comprising the following steps:
A. polylactic acid (PLA) 2.40kg, poly butylene succinate (PBS) 0.64kg be crosslinked polypyrrole alkanone 0.48kg and
Step 1) absorption particle 0.48kg obtained passes through screw rod melting extrusion after evenly mixing and is granulated, extrusion temperature is set as 145,
150,160,165,175,180,185,180,175,165 DEG C, 200 rpm of main-machine screw revolving speed；Obtained master batch is added to
Wire rod extruder feed opening, wire rod extruder parameter are as follows: 150 DEG C of an area, two 160 DEG C of areas, three 175 DEG C of areas, four 170 DEG C of areas, five
160 DEG C of area, revolving speed 10-150rpm/min；The wire rod that die orifice squeezes out is cooled down by air-cooled, obtains extrusion of wire；Pass through
Coil winder winding is bundled, obtains 3D printing wire rod, and the frequency for the dragger that coil winder is connected is 15HZ.
B. the 3D printing wire rod that step A is obtained is printed as specific structure device, print temperature 185 by FDM technology
DEG C, baseplate temp be 55 DEG C, print speed 55mm/s, printing thickness be 0.1mm；
C. the specific structure device that step B is obtained is put into the airtight heating device equipped with humidifier, temperature is set
65 DEG C, humidity 40%rh, the 3D printing porous material of expansion pore is obtained by 15min, the 3D printing porous material is more
Hole reticular structure, aperture are 6 μm.
Embodiment 6
A kind of 3D printing porous material expanding drilling, which is characterized in that be made of the component of following weight percent:
Acrylonitrile-butadiene-styrene (ABS) (ABS) 62
Thermoplastic polyurethane (TPU) 12
It is crosslinked polypyrrole alkanone (PVPP) 10
Adsorb particle 16
1) described in absorption particle preparation the following steps are included:
80g tremella polysaccharides are put into 130ml acetic acid solution and are dissolved, after tremella polysaccharides are completely dissolved, 530g carbonic acid is added
Calcium, high-speed stirred, revolving speed 1200rpm stand 1h after handling 0.5h, are placed in vacuum oven, and dry 680min at 70 DEG C is crushed
After obtain absorption particle.
2) a kind of preparation method for the 3D printing porous material for expanding drilling, comprising the following steps:
A. acrylonitrile-butadiene-styrene (ABS) (ABS) 1.9375kg, thermoplastic polyurethane (TPU) 0.375kg, the poly- pyrrole of crosslinking
Pyrrolidone 0.3125kg and step 1) absorption particle 0.500kg obtained pass through screw rod melting extrusion after evenly mixing and are granulated, and 190
DEG C, 195 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 210 DEG C, engine speed 200r/min;；By what is obtained
Master batch is added to wire rod extruder feed opening, wire rod extruder parameter are as follows: 190 DEG C of an area, two 200 DEG C of areas, and three 220 DEG C of areas, four
220 DEG C of area, five 215 DEG C of areas, revolving speed 10-150rpm/min；The wire rod that die orifice squeezes out is cooled down by air-cooled, is squeezed out
Wire rod；It is wound by coil winder bundled, obtains 3D printing wire rod, the frequency for the dragger that coil winder is connected is 20HZ.
B. the 3D printing wire rod that step A is obtained is printed as specific structure device, print temperature 220 by FDM technology
DEG C, baseplate temp be 100 DEG C, print speed 60mm/s, printing thickness be 0.2mm；
C. the specific structure device that step B is obtained is put into the airtight heating device equipped with humidifier, temperature is set
It is 120 DEG C, humidity 40%rh, obtains the 3D printing porous material of expansion pore, the porous material of the 3D printing by 18min
Material is porous network structure, and aperture is 8 μm.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to the present patent application range with repair
Decorations, are all covered by the present invention.
Claims (7)
1. a kind of 3D printing porous material for expanding drilling, which is characterized in that be made of the component of following weight percent:
Matrix resin 70-80
Swelling agent 5-15
Adsorb particle 10-20；
The matrix resin is at least a kind of to be selected from polylactic acid (PLA), acrylonitrile-butadiene-styrene (ABS) (ABS), gathers to benzene
Naphthalate -1,4 cyclohexane dimethanol ester (PETG), polyamide (PA), poly butylene succinate (PBS) or heat
Plastic polyurethane (TPU)；The swelling agent is crosslinking polypyrrole alkanone (PVPP)；
What the absorption particle was prepared by following steps:
Certain proportion polysaccharide is put into acetic acid solution and is dissolved, after polysaccharide is completely dissolved, appropriate inorganic particle, high-speed stirred is added
1h is stood after device stirring 0.5h, its surface is made to coat polysaccharide completely, absorption grain is obtained after being placed in vacuum oven and dry, pulverize
Son.
2. a kind of 3D printing porous material for expanding drilling according to claim 1, which is characterized in that the polysaccharide and second
The dissolving ratio of acid is 50-120g:100-260ml；The polysaccharide solution and inorganic particle mass ratio formed after acetic acid is 1:
5-1:10；The high speed agitator revolving speed is 800-2000rpm；The vacuum drying temperature is 50-200 DEG C；Time is 8-
24h。
3. a kind of 3D printing porous material for expanding drilling according to claim 1, which is characterized in that the inorganic powder
Body is at least a kind of to be selected from calcium carbonate, mica, talcum powder or barium sulfate；The polysaccharide is at least a kind of to be selected from chitosan, perfume (or spice)
Mushroom polysaccharide, tremella polysaccharides, Polysaccharides in Bamboo Leaves or laminarin.
4. a kind of 3D printing porous material for expanding pore according to claim 1 to 3, which is characterized in that 3D printing
Porous material is porous network structure, and aperture is 0.005 μm -10 μm.
5. a kind of preparation method of the 3D printing porous material of any expansion drilling of claim 1-3, including following step
It is rapid:
A. it is granulated after mixing matrix resin, crosslinking polypyrrole alkanone and absorption particle by screw rod melting extrusion, by gained grain
Material is by wire rod machine travel at 3D printing wire rod；
B. the 3D printing wire rod that step A is obtained is printed as specific structure device by FDM technology；
C. the specific structure device that step B is obtained is put into the airtight heating device equipped with humidification system, is given specific wet
Degree and temperature obtain the 3D printing porous material of expansion pore by the regular hour.
6. a kind of preparation method for expanding pore 3D printing porous material according to claim 5, which is characterized in that described
Step C in obturator humidity be 35-60%rh, temperature be 80-300 DEG C, time 10-100min.
7. a kind of preparation method for expanding pore 3D printing porous material according to claim 5 or 6, which is characterized in that
The 3D printing porous material is porous network structure, and aperture is 0.005 μm -10 μm.
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| CN108410157A (en) * | 2018-03-06 | 2018-08-17 | 李宏伟 | A kind of high tenacity TPU bases 3D printing material and its preparation method and application |
| CN109129970A (en) * | 2018-07-09 | 2019-01-04 | 福建师范大学 | One kind wire rod of 3D printing containing algae-residue and preparation method thereof |
| CN109603746A (en) * | 2018-12-11 | 2019-04-12 | 中国科学院生态环境研究中心 | Support structures and the preparation method and application thereof for heavy metal contaminants absorption |
| WO2020150044A1 (en) * | 2019-01-15 | 2020-07-23 | Polyone Corporation | Lubricious thermoplastic compounds and thermoplastic articles made therefrom |
| CN112898755A (en) * | 2021-02-25 | 2021-06-04 | 韩旭 | High-light-transmittance degradable plastic agricultural film and preparation method thereof |
| CN114213842B (en) * | 2021-12-24 | 2024-03-29 | 中山盈普三维打印科技有限公司 | Laser sintering glass microsphere nylon composite powder |
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| CN104692482A (en) * | 2013-12-04 | 2015-06-10 | 黄然 | Water purifying matrix material prepared from polylactic acid |
| CN105924882A (en) * | 2016-05-20 | 2016-09-07 | 黑龙江鑫达企业集团有限公司 | Support material capable of being used for 3D printing and preparation method thereof |
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| CN104692482A (en) * | 2013-12-04 | 2015-06-10 | 黄然 | Water purifying matrix material prepared from polylactic acid |
| CN105924882A (en) * | 2016-05-20 | 2016-09-07 | 黑龙江鑫达企业集团有限公司 | Support material capable of being used for 3D printing and preparation method thereof |
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