CN109553804A - Quantum dot nano composite material and preparation method for 3D printing - Google Patents

Quantum dot nano composite material and preparation method for 3D printing Download PDF

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Publication number
CN109553804A
CN109553804A CN201710880905.6A CN201710880905A CN109553804A CN 109553804 A CN109553804 A CN 109553804A CN 201710880905 A CN201710880905 A CN 201710880905A CN 109553804 A CN109553804 A CN 109553804A
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CN
China
Prior art keywords
nano
quantum dot
composite material
cellulose
printing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201710880905.6A
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Chinese (zh)
Inventor
赵云龙
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Zhangjiagang Dong Wei New Material Technology Development Co Ltd
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Zhangjiagang Dong Wei New Material Technology Development Co Ltd
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Filing date
Publication date
Application filed by Zhangjiagang Dong Wei New Material Technology Development Co Ltd filed Critical Zhangjiagang Dong Wei New Material Technology Development Co Ltd
Priority to CN201710880905.6A priority Critical patent/CN109553804A/en
Publication of CN109553804A publication Critical patent/CN109553804A/en
Withdrawn legal-status Critical Current

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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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • 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
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
    • C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/56—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing sulfur
    • C09K11/562—Chalcogenides
    • C09K11/565—Chalcogenides with zinc cadmium
    • 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
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3009—Sulfides
    • C08K2003/3027—Sulfides of cadmium
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter

Abstract

This application discloses a kind of quantum dot nano composite material and preparation methods for 3D printing, the composite material includes nano-cellulose and the CdS quantum dot for being compound in nano-cellulose surface, and the particle diameter distribution of the CdS quantum dot is between 3.4~3.8nm.The CdCl of 0.025~0.03mmol/L is added dropwise comprising steps of (1), under the conditions of magnetic agitation in the preparation method of composite material in nano-cellulose suspension2Solution, time for adding are 20~25 minutes；(2), 15~30 DEG C of temperature under ultrasonic conditions, are controlled, and the Na of 0.025mmol/L is added dropwise2S solution, time for adding are 10~25 minutes, Na2S solution dripping quantity and the volume ratio of nano-cellulose suspension are 1:1.6~2；(3), using the above-mentioned suspension of deionized water dialysis, quantum dot nano composite material is obtained.The present invention uniform dispersion of nano-cellulose obtained, width are distributed in 3.5nm or so in 4.5nm or so, the size of CdS quantum dot obtained.Under ultraviolet light, the fluorescence emission wavelengths of composite material are in 550nm or so.

Description

Quantum dot nano composite material and preparation method for 3D printing
Technical field
This application involves 3D printing field of material technology, compound more particularly to a kind of quantum dot nano for 3D printing Material and preparation method thereof.
Background technique
The existing ink for 3D printing, there is technical issues that at high cost, shaping speed it is slow,.
In view of this, it is necessary to provide a kind of novel 3D printing materials.
Summary of the invention
The purpose of the present invention is to provide a kind of quantum dot nano composite material and preparation method for 3D printing, with Overcome deficiency in the prior art.
To achieve the above object, the invention provides the following technical scheme:
The embodiment of the present application discloses a kind of quantum dot nano composite material for 3D printing, including nano-cellulose, with And it is compound in the CdS quantum dot on nano-cellulose surface, the particle diameter distribution of the CdS quantum dot is between 3.4~3.8nm.
Correspondingly, disclosed herein as well is a kind of preparation method of quantum dot nano composite material for 3D printing, packet Include step:
(1), the CdCl of 0.025~0.03mmol/L under the conditions of magnetic agitation, is added dropwise in nano-cellulose suspension2 Solution, time for adding are 20~25 minutes；
(2), 15~30 DEG C of temperature under ultrasonic conditions, are controlled, and the Na of 0.025mmol/L is added dropwise2S solution is added dropwise Time is 10~25 minutes, Na2S solution dripping quantity and the volume ratio of nano-cellulose suspension are 1:1.6~2；
(3), using the above-mentioned suspension of deionized water dialysis, quantum dot nano composite material is obtained.
Preferably, in the above-mentioned preparation method for the quantum dot nano composite material of 3D printing, CdCl2Solution drop The volume ratio of dosage and nano-cellulose suspension is 1:1.8~2.2.
Preferably, in the above-mentioned preparation method for the quantum dot nano composite material of 3D printing, Na2S solution drop The volume ratio of dosage and nano-cellulose suspension is 1:1.6~2.
Preferably, in the above-mentioned preparation method for the quantum dot nano composite material of 3D printing, nano-cellulose The preparation method of suspension includes: that absorbent cotton is dissolved in the sulfuric acid solution that mass fraction is 30~45% after 3~6h of acidolysis to obtain To nano-cellulose suspension；Then to suspension ultrasound 12~15 seconds under the conditions of 0~5 DEG C.
Compared with the prior art, the advantages of the present invention are as follows: the present invention uniform dispersion of nano-cellulose obtained, width 3.5nm or so is distributed in the size of 4.5nm or so, CdS quantum dot obtained.Under ultraviolet light, the fluorescence of composite material is sent out Ejected wave is grown in 550nm or so.
Specific embodiment
The present invention is described further by the following example: according to following embodiments, the present invention may be better understood. However, as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described in embodiment are only used In illustrating the present invention, without the present invention described in detail in claims should will not be limited.
Embodiment 1
The preparation method of quantum dot nano composite material:
Absorbent cotton is dissolved in the sulfuric acid solution that mass fraction is 45% after acidolysis 6h and obtains nano-cellulose suspension；So Afterwards to suspension ultrasound 15 seconds under the conditions of 5 DEG C.
Under the conditions of magnetic agitation, the CdCl of 0.025mmol/L is added dropwise in nano-cellulose suspension2Solution is added dropwise Time is 20 minutes, CdCl2Solution dripping quantity and the volume ratio of nano-cellulose suspension are 1:2；Ultrasonic wave curing: in ultrasound Under the conditions of wave, 30 DEG C of temperature are controlled, and the Na of 0.03mmol/L is added dropwise2S solution, time for adding are 25 minutes, Na2S solution is added dropwise Amount and the volume ratio of nano-cellulose suspension are 1:2.
Using the above-mentioned suspension of deionized water dialysis, quantum dot nano composite material is obtained.
In the embodiment, the uniform dispersion of nano-cellulose obtained, width is in 4.5nm or so, CdS quantum obtained The size of point is distributed in 3.5nm or so.Under ultraviolet light, the fluorescence emission wavelengths of composite material are in 550nm or so.
Embodiment 2
The preparation method of quantum dot nano composite material:
Absorbent cotton is dissolved in the sulfuric acid solution that mass fraction is 32% after acidolysis 4h and obtains nano-cellulose suspension；So Afterwards to suspension ultrasound 15 seconds under the conditions of 3 DEG C.
Under the conditions of magnetic agitation, the CdCl of 0.029mmol/L is added dropwise in nano-cellulose suspension2Solution is added dropwise Time is 20 minutes, CdCl2Solution dripping quantity and the volume ratio of nano-cellulose suspension are 1:2；Ultrasonic wave curing: in ultrasound Under the conditions of wave, 30 DEG C of temperature are controlled, and the Na of 0.025mmol/L is added dropwise2S solution, time for adding are 15 minutes, Na2S solution drop The volume ratio of dosage and nano-cellulose suspension is 1:2.
Using the above-mentioned suspension of deionized water dialysis, quantum dot nano composite material is obtained.
In the embodiment, the uniform dispersion of nano-cellulose obtained, width is in 4.8nm or so, CdS quantum obtained The size of point is distributed in 3.7nm or so.Under ultraviolet light, the fluorescence emission wavelengths of composite material are in 565nm or so.
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive Property include so that include a series of elements process, method, article or equipment not only include those elements, but also Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic Element.

Claims (5)

1. a kind of quantum dot nano composite material for 3D printing, which is characterized in that including nano-cellulose and be compound in The CdS quantum dot on nano-cellulose surface, the particle diameter distribution of the CdS quantum dot is between 3.4~3.8nm.
2. the preparation method of the quantum dot nano composite material described in claim 1 for 3D printing, which is characterized in that including Step:
(1), the CdCl of 0.025~0.03mmol/L under the conditions of magnetic agitation, is added dropwise in nano-cellulose suspension2Solution, Time for adding is 20~25 minutes；
(2), 15~30 DEG C of temperature under ultrasonic conditions, are controlled, and the Na of 0.025mmol/L is added dropwise2S solution, time for adding are 10~25 minutes, Na2S solution dripping quantity and the volume ratio of nano-cellulose suspension are 1:1.6~2；
(3), using the above-mentioned suspension of deionized water dialysis, quantum dot nano composite material is obtained.
3. the preparation method of the quantum dot nano composite material according to claim 2 for 3D printing, it is characterised in that: CdCl2Solution dripping quantity and the volume ratio of nano-cellulose suspension are 1:1.8~2.2.
4. the preparation method of the quantum dot nano composite material according to claim 2 for 3D printing, it is characterised in that: Na2S solution dripping quantity and the volume ratio of nano-cellulose suspension are 1:1.6~2.
5. the preparation method of the quantum dot nano composite material according to claim 2 for 3D printing, it is characterised in that: The preparation method of nano-cellulose suspension includes: that absorbent cotton is dissolved in acidolysis in the sulfuric acid solution that mass fraction is 30~45% Nano-cellulose suspension is obtained after 3~6h；Then to suspension ultrasound 12~15 seconds under the conditions of 0~5 DEG C.
CN201710880905.6A 2017-09-26 2017-09-26 Quantum dot nano composite material and preparation method for 3D printing Withdrawn CN109553804A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710880905.6A CN109553804A (en) 2017-09-26 2017-09-26 Quantum dot nano composite material and preparation method for 3D printing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710880905.6A CN109553804A (en) 2017-09-26 2017-09-26 Quantum dot nano composite material and preparation method for 3D printing

Publications (1)

Publication Number Publication Date
CN109553804A true CN109553804A (en) 2019-04-02

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101239734A (en) * 2008-03-04 2008-08-13 武汉大学 Process for preparing cadmium sulfide nano particle
CN104271645A (en) * 2012-03-06 2015-01-07 耶路撒冷希伯来大学伊森姆研究发展有限公司 Coating layers of a nanocomposite comprising a nano-cellulose material and nanoparticles

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101239734A (en) * 2008-03-04 2008-08-13 武汉大学 Process for preparing cadmium sulfide nano particle
CN104271645A (en) * 2012-03-06 2015-01-07 耶路撒冷希伯来大学伊森姆研究发展有限公司 Coating layers of a nanocomposite comprising a nano-cellulose material and nanoparticles

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
刘远: ""纳米纤维素/硫化镉基水性油墨的制备及其图案化"", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 *
周娇等: ""纤维素纳米晶体增强生物塑料复合材料的研究进展"", 《包装材料》 *

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Application publication date: 20190402