CN107141418B - A kind of halloysite nanotubes compound resin and its application as photocuring 3D printing material - Google Patents

A kind of halloysite nanotubes compound resin and its application as photocuring 3D printing material Download PDF

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CN107141418B
CN107141418B CN201710285468.3A CN201710285468A CN107141418B CN 107141418 B CN107141418 B CN 107141418B CN 201710285468 A CN201710285468 A CN 201710285468A CN 107141418 B CN107141418 B CN 107141418B
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halloysite nanotubes
compound resin
resin
parts
photocuring
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CN107141418A (en
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任力
杨军忠
李开武
刘卅
陈盛贵
王迎军
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South China University of Technology SCUT
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/006Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
    • C08F283/008Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00 on to unsaturated polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y70/00Materials specially adapted for additive manufacturing
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/44Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/46Polymerisation initiated by wave energy or particle radiation
    • C08F2/48Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives

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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)
  • Polymerisation Methods In General (AREA)

Abstract

The invention belongs to technical field of composite materials, disclose a kind of halloysite nanotubes compound resin and its application as photocuring 3D printing material.The compound resin is grouped as by the group of following mass parts: 20~60 parts of polyurethane acrylate resin, 40~80 parts of reactive diluent, 0.5~2 part of radical photoinitiator, 1~5 part of halloysite nanotubes.Preparation method are as follows: ultrasonic disperse and mechanical stirring are uniform in reactive diluent by halloysite nanotubes, then it is uniform that polyurethane acrylate resin mechanical stirring is added, it adds radical photoinitiator mechanical stirring to be uniformly dissolved, obtains the halloysite nanotubes compound resin.The present invention is suitable for the compound resin of photocuring 3D printing using polyurethane acrylate resin and halloysite nanotubes preparation, has excellent mechanical property, has further widened the application range of photocuring 3D printing technique.

Description

A kind of halloysite nanotubes compound resin and its as photocuring 3D printing material Using
Technical field
The invention belongs to technical field of composite materials, and in particular to a kind of halloysite nanotubes compound resin and its as light Solidify the application of 3D printing material.
Background technique
3D printing (3D printing) is one kind of rapid shaping (Rapidprototyping, RP) technology, is also referred to as increased Material manufacturing technology.3D printing is unanimously considered 21 century most subversive forming processing technology, working principle both at home and abroad It is the three-dimensional digital model formed using scanning, according to the principle that " Layered manufacturing is successively superimposed ", quickly prepares 3D solid A kind of Layered Manufacturing Technology.Stereolithography (SLA and DLP) is one kind of 3D printing technique.SLA master's raw material to be used is Ultraviolet curable resin is successively to be scanned and exposed on photosensitive resin surface by UV laser beam, is scanned and exposed region Resin layer photopolymerization reaction and final solidified forming occurs.
But the generally existing mechanical property of photocurable resin material used at present is poor, is easy bending cracking, hardness is inclined The problems such as low, these problems limit the popularization of photocuring 3D printing rapid shaping technique.
Polyurethane acrylate resin has preferable comprehensive performance.There are ammonia ester bond, energy in urethane acrylate molecule A variety of hydrogen bonds are formed between macromolecular chain, there is excellent wearability and flexibility, elongation at break is high, while having good after solidification Resistance to active drug moral character well, high and low temperature resistance, preferable impact resistance.
Halloysite nanotubes (HNTs) are a kind of natural nanotube-shaped clay minerals, with special structure and excellent Performance.General 40~the 100nm of pipe outside diameter of HNTs, length is about 0.2~2um.HNTs is double deck type aluminosilicate, by internal layer alumina Octahedra and outer layer oxygen-octahedron lattice mismatch crimps, and there are the crystallizations water for interlayer.The outer surface of HNTs is mainly It is made of Si-O-Si key, inner wall is then mainly the light base of aluminium.There are sial hydroxyls on the end face of halloysite nanotubes, and in crystalline substance There is also a small amount of embedding hydroxyls for the inner wall of body.HNTs agglomeration is relatively weak, the hydroxyl and content of siloxane on the surface HNTs It is relatively fewer, it is combined in the form of the secondary bonds such as hydrogen bond and Van der Waals force between structural unit, is easier to realize structural unit Dissociation and dispersion, it is not easy to reunite;And between nanotube, aspect ratio tube-like condition appropriate reduces connecing between pipe Contacting surface product.Therefore, the HNTs with longer draw ratio can be evenly dispersed in polymer, be to prepare high-performance polymer to receive The novel cheap nanofiller of nano composite material.
Summary of the invention
For in place of shortcoming and defect of the existing technology, received the primary purpose of the present invention is that providing a kind of galapectite Mitron compound resin.
Another object of the present invention is to provide the preparation methods of above-mentioned halloysite nanotubes compound resin.
A further object of the present invention is to provide above-mentioned halloysite nanotubes compound resins as photocuring 3D printing material Application.
The object of the invention is achieved through the following technical solutions:
A kind of halloysite nanotubes compound resin, is grouped as by the group of following mass parts: polyurethane acrylate resin 20 ~60 parts, 40~80 parts of reactive diluent, 0.5~2 part of radical photoinitiator, 1~5 part of halloysite nanotubes.
Preferably, the degree of functionality of the polyurethane acrylate resin is 2~6, and viscosity is 200~10000mPa.s.
Preferably, the reactive diluent is acryloyl morpholine (ACMO), glycidyl methacrylate (GMA), three At least one of hydroxymethyl-propane triacrylate (TMPTA) and trimethylol-propane trimethacrylate (TMPTMA); The mixing of more preferable trimethylolpropane trimethacrylate (TMPTA) and acryloyl morpholine (ACMO).
Preferably, the radical photoinitiator is 1- hydroxycyclohexyl phenyl ketone (photoinitiator 184), 2- hydroxyl Base -4- (2- hydroxy ethoxy) -2- methyl phenyl ketone (photoinitiator 2959), phenyl bis- (2,4,6- trimethylbenzoyls) oxidation At least one of phosphine (photoinitiator 819), (2,4,6- trimethylbenzoyl) diphenyl phosphine oxide (photoinitiator TPO); More preferably (2,4,6- trimethylbenzoyl) diphenyl phosphine oxide (photoinitiator TPO).
The preparation method of above-mentioned halloysite nanotubes compound resin, including following preparation step:
By halloysite nanotubes, ultrasonic disperse and mechanical stirring are uniform in reactive diluent, and polyurethane propylene is then added Acid ester resin mechanical stirring is uniform, adds radical photoinitiator mechanical stirring and is uniformly dissolved, and obtains the galapectite and receives Mitron compound resin.
Application of the above-mentioned halloysite nanotubes compound resin as photocuring 3D printing material.
Preparation method of the invention and obtained product have the following advantages that and the utility model has the advantages that
The present invention is suitable for answering for photocuring 3D printing using polyurethane acrylate resin and halloysite nanotubes preparation Resin has excellent mechanical property, has further widened the application range of photocuring 3D printing technique.
Detailed description of the invention
Fig. 1 is that halloysite nanotubes dispersion is swept in 1 gained halloysite nanotubes compound resin of the embodiment of the present invention Retouch Electronic Speculum (SEM) figure.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited In this.
Embodiment 1
A kind of halloysite nanotubes compound resin for photocuring 3D printing of the present embodiment, by following parts by weight meter Raw material composition: 6 30 parts of degree of functionality urethane acrylates, 30 parts of 2 degree of functionality urethane acrylate, trimethylolpropane tris 20 parts of acrylate TMPTA, 20 parts of acryloyl morpholine ACMO, 2 parts of photoinitiator TPO, 2.5 parts of halloysite nanotubes.
The preparation method is as follows:
Halloysite nanotubes are added into reactive diluent, while carrying out 700KW ultrasonic vibration and 1000r/min machinery stirs It mixes, temperature is 40 DEG C, and stirring continues 2 hours.Then polyurethane acrylate resin is added, 1500r/min is mechanical at 40 DEG C Stirring 2 hours.Radical photoinitiator is added, 1000r/min mechanical stirring 2 hours at 25 DEG C obtain angstrom Lip river Stone nanotube compound resin.
The scanning electron microscope (SEM) of halloysite nanotubes dispersion in halloysite nanotubes compound resin obtained by the present embodiment Figure is as shown in Figure 1.As seen from Figure 1, halloysite nanotubes are well dispersed in compound resin.
Embodiment 2
A kind of halloysite nanotubes compound resin for photocuring 3D printing of the present embodiment, by following parts by weight meter Raw material composition: 6 30 parts of degree of functionality urethane acrylates, 30 parts of 2 degree of functionality urethane acrylate, trimethylolpropane tris 20 parts of acrylate TMPTA, 20 parts of acryloyl morpholine ACMO, 2 parts of photoinitiator TPO, 1.5 parts of halloysite nanotubes.
The preparation method is as follows:
Halloysite nanotubes are added into reactive diluent, while carrying out 700KW ultrasonic vibration and 1000r/min machinery stirs It mixes, temperature is 40 DEG C, and stirring continues 2 hours.Then polyurethane acrylate resin is added, 1500r/min is mechanical at 40 DEG C Stirring 2 hours.Radical photoinitiator is added, 1000r/min mechanical stirring 2 hours at 25 DEG C obtain angstrom Lip river Stone nanotube compound resin.
Embodiment 3
A kind of halloysite nanotubes compound resin for photocuring 3D printing of the present embodiment, by following parts by weight meter Raw material composition: 6 30 parts of degree of functionality urethane acrylates, 30 parts of 2 degree of functionality urethane acrylate, trimethylolpropane tris 20 parts of acrylate TMPTA, 20 parts of acryloyl morpholine ACMO, 2 parts of photoinitiator TPO, 3.5 parts of halloysite nanotubes.
The preparation method is as follows:
Halloysite nanotubes are added into reactive diluent, while carrying out 700KW ultrasonic vibration and 1000r/min machinery stirs It mixes, temperature is 40 DEG C, and stirring continues 2 hours.Then polyurethane acrylate resin is added, 1500r/min is mechanical at 40 DEG C Stirring 2 hours.Radical photoinitiator is added, 1000r/min mechanical stirring 2 hours at 25 DEG C obtain angstrom Lip river Stone nanotube compound resin.
Embodiment 4
A kind of halloysite nanotubes compound resin for photocuring 3D printing of the present embodiment, by following parts by weight meter Raw material composition: 6 10 parts of degree of functionality urethane acrylates, 10 parts of 2 degree of functionality urethane acrylate, trimethylolpropane tris 40 parts of acrylate TMPTA, 40 parts of acryloyl morpholine ACMO, 1 part of photoinitiator TPO, 1 part of halloysite nanotubes.
Halloysite nanotubes are added into reactive diluent, while carrying out 700KW ultrasonic vibration and 1000r/min machinery stirs It mixes, temperature is 40 DEG C, and stirring continues 2 hours.Then polyurethane acrylate resin is added, 1500r/min is mechanical at 40 DEG C Stirring 2 hours.Radical photoinitiator is added, 1000r/min mechanical stirring 2 hours at 25 DEG C obtain angstrom Lip river Stone nanotube compound resin.
Embodiment 5
A kind of halloysite nanotubes compound resin for photocuring 3D printing of the present embodiment, by following parts by weight meter Raw material composition: 6 20 parts of degree of functionality urethane acrylates, 20 parts of 2 degree of functionality urethane acrylate, trimethylolpropane tris 30 parts of acrylate TMPTA, 30 parts of acryloyl morpholine ACMO, 1 part of photoinitiator TPO, 1 part of halloysite nanotubes.
Halloysite nanotubes are added into reactive diluent, while carrying out 700KW ultrasonic vibration and 1000r/min machinery stirs It mixes, temperature is 40 DEG C, and stirring continues 2 hours.Then polyurethane acrylate resin is added, 1500r/min is mechanical at 40 DEG C Stirring 2 hours.Radical photoinitiator is added, 1000r/min mechanical stirring 2 hours at 25 DEG C obtain angstrom Lip river Stone nanotube compound resin.
Comparative example
Compared with Example 1, the difference is that not adding halloysite nanotubes, other components and preparation method are identical, Obtain the composite material of this comparative example.
Exist according to GB/T 9341-2008, GB/T 1040.2-2006 to composite material obtained by Examples 1 to 3 and comparative example Mechanical test batten is printed on DLP printer and carries out mechanical test, and test result is as shown in table 1.
The mechanical property of the halloysite nanotubes compound resin of 1 photocuring 3D printing of table
The polyurethane acrylate resin mechanical property that halloysite nanotubes are added to it can be seen from 1 result of table obtains It is obviously improved.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention, It should be equivalent substitute mode, be included within the scope of the present invention.

Claims (6)

1. a kind of halloysite nanotubes compound resin, it is characterised in that the compound resin is grouped as by the group of following mass parts: 20~60 parts of polyurethane acrylate resin, 40~80 parts of reactive diluent, 0.5~2 part of radical photoinitiator, galapectite 1~5 part of nanotube;The reactive diluent is the mixing of trimethylolpropane trimethacrylate and acryloyl morpholine.
2. a kind of halloysite nanotubes compound resin according to claim 1, it is characterised in that: the polyurethane acroleic acid The degree of functionality of ester resin is 2~6, and viscosity is 200~10000mPa.s.
3. a kind of halloysite nanotubes compound resin according to claim 1, it is characterised in that: the free radical type light draws Hair agent is 1- hydroxycyclohexyl phenyl ketone, 2- hydroxyl -4- (2- hydroxy ethoxy) -2- methyl phenyl ketone, phenyl bis- (2,4,6- tri- Methyl benzoyl) phosphine oxide, at least one of (2,4,6- trimethylbenzoyl) diphenyl phosphine oxide.
4. a kind of halloysite nanotubes compound resin according to claim 3, it is characterised in that: the free radical type light draws Hair agent is (2,4,6- trimethylbenzoyl) diphenyl phosphine oxide.
5. a kind of described in any item preparation methods of halloysite nanotubes compound resin of Claims 1 to 4, it is characterised in that packet Include following preparation step:
By halloysite nanotubes, ultrasonic disperse and mechanical stirring are uniform in reactive diluent, and urethane acrylate is then added Resin machinery stirs evenly, and adds radical photoinitiator mechanical stirring and is uniformly dissolved, obtains the halloysite nanotubes Compound resin.
6. a kind of described in any item halloysite nanotubes compound resins of Claims 1 to 4 are as photocuring 3D printing material Using.
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CN107880223B (en) * 2017-11-16 2019-12-24 浙江维彬三维科技有限公司 3D printing resin with rapid curing and low shrinkage rate
CN113861359B (en) * 2021-10-11 2024-01-30 中国电建集团中南勘测设计研究院有限公司 Modified halloysite nanotube, photo-curing lining material, and preparation methods and applications thereof
CN114656597A (en) * 2022-02-28 2022-06-24 深圳锐沣科技有限公司 Washable DLP3D printing dental cast resin

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CN102634242A (en) * 2012-04-18 2012-08-15 天津大学 Method for preparing composite material by modifying halloysite nanotube and compounding waterborne polyurethane
CN103819656B (en) * 2014-02-18 2017-06-23 青岛科技大学 A kind of graphene oxide/light-cured resin composite and its preparation method and application
CN104861145A (en) * 2015-05-06 2015-08-26 上海应用技术学院 Polyurethane elastomer/ halloysite nanotube composite material and preparation method thereof
CN105199340A (en) * 2015-10-19 2015-12-30 福建师范大学 PBS (poly butylenes succinate)/halloysite nanotubes composite wire for 3D printing and preparation method of PBS/halloysite nanotubes composite wire

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