CN108047386A - It is a kind of for flexible photosensitive resin of 3D printing and preparation method thereof - Google Patents

It is a kind of for flexible photosensitive resin of 3D printing and preparation method thereof Download PDF

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Publication number
CN108047386A
CN108047386A CN201711407001.8A CN201711407001A CN108047386A CN 108047386 A CN108047386 A CN 108047386A CN 201711407001 A CN201711407001 A CN 201711407001A CN 108047386 A CN108047386 A CN 108047386A
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photosensitive resin
printing
acrylate
parts
flexible photosensitive
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黄立
冯玉林
于法猛
贺晓宁
方绚莱
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Shenzhen Mopha New Material Technology Co Ltd
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Shenzhen Mopha New Material Technology Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
    • C08F283/008—Macromolecular 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
    • 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
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/52—Amides or imides
    • C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
    • C08F220/58—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F222/00—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 a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/10—Esters
    • C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/01—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to unsaturated polyesters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/10—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule
    • C08F283/105—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule on to unsaturated polymers containing more than one epoxy radical per molecule
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F222/00—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 a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/10—Esters
    • C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
    • C08F222/102—Esters of polyhydric alcohols or polyhydric phenols of dialcohols, e.g. ethylene glycol di(meth)acrylate or 1,4-butanediol dimethacrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F222/00—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 a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/10—Esters
    • C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
    • C08F222/103—Esters of polyhydric alcohols or polyhydric phenols of trialcohols, e.g. trimethylolpropane tri(meth)acrylate

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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 present invention provide it is a kind of for flexible photosensitive resin of 3D printing and preparation method thereof, by weight percentage, including：Acrylate oligomer 20 50%, diluent 30 70%, coloring agent 0.1 2%, radical initiator 1 5%, levelling agent 0.1 5%, ultraviolet absorber 0.1 5%.The stable mechanical property of the flexible photosensitive resin of the present invention, anti-aging property is excellent, and preparation process is simple in addition, easy to utilize.

Description

It is a kind of for flexible photosensitive resin of 3D printing and preparation method thereof
Technical field
The invention belongs to 3D printing field of new materials more particularly to a kind of flexible photosensitive resin and preparation method thereof.
Background technology
With the fast development of 3D printing technique, single universal 3D printing photosensitive resin can not meet all kinds of visitors The growing personalization in family, multiple demands.Heat-resistance type, tough and tensile type, class PP types, jewelry cast moulding and flexible 3D printing Photosensitive resin receive every profession and trade client pay close attention to and active demand.Wherein, flexible 3D printing photosensitive resin prints The product come is in wearable device, auto parts and components（Pipe, band, pad, plate etc.）, medical device element, shoe industry, flexible die The fields such as tool, Mold Making show the huge market demand.Therefore a high performance flexible resin is researched and developed for complying with Future market growth requirement is of great significance.
Photocuring 3D printing technique has become studies that most deep, technology is most ripe, a kind of most widely used 3D in the world Printing technique, and DLP printing technology has high-precision and efficient advantage because of it, it has also become 3D printing prevailing technology obtains It is more and more widely used, this also means that needing the high-performance more and more arranged in pairs or groups therewith, the DLP photosensitive trees of low cost Fat meets the great demand in market.At present, most domestic photosensitive resin also heavy dependence imported product, especially with excellent The development ＆ production of the flexible DLP photosensitive resins of different mechanical property is still in infancy, and external commercialized flexibility DLP is photosensitive Resin is also few, and spread in performance is uneven, and expensive.
Commercialized flexibility DLP photosensitive resin species is few both at home and abroad at present, and product generally existing tearing strength is with breaking Split the unbalanced problem of elongation（Then tearing strength is small greatly for elongation at break；The small then tearing strength of elongation at break is big；It is or disconnected It is small with tearing strength to split elongation）, this severely limits flexible resin application field and affect the experience of user.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of flexible photosensitive trees for 3D printing Fat has higher elongation at break and tearing strength, and with excellent anti-aging and mechanical stability, improves making for user Use Experience Degree.
Concrete scheme is：
A kind of flexible photosensitive resin for 3D printing, by weight percentage, including：Acrylate oligomer 20-50%, dilution Agent 30-70%, coloring agent 0.1-2%, radical initiator 1-5%, levelling agent 0.1-5%, ultraviolet absorber 0.1-5%.
Preferably, the acrylic acid oligomer is low using aliphatic urethane acrylate oligomer, polyester acrylate At least one of polymers, epoxy acrylate oligomer, organic silicon acrylic ester oligomer.
Preferably, the diluent is different pungent using tetrahydrofuran acrylate, dodecyl methyl acrylate, acrylic acid Ester, hydroxypropyl acrylate, trimethylolpropane formal acrylate, acryloyl morpholine, 1 6- hexylene glycol dimethacrylates Ester, polyethylene glycol（400）Diacrylate,（10）Ethoxylated bisphenol A diacrylates, trimethylol propane trimethyl acrylic acid At least one of ester.
Preferably, the coloring agent uses black F2090, Huang F5066, red F3095, the indigo plant F4049 of FOEBE series.
Preferably, the radical initiator is using at least one of TPO, 819, TPO-L.
Preferably, the levelling agent is using at least one of BYK501, BYK333, BYK307.
Preferably, the ultraviolet absorber using UV-9, TINUVIN 400, TINUVIN 292, TINUVIN 571, At least one of TINUVIN B97.
Correspondingly, the present invention provides a kind of flexible photosensitive process for preparing resins prepared for 3D printing, including following several A step：
Step A:In reaction bulb, the acrylate oligomer, diluent, ultraviolet absorber of formula ratio are sequentially added, is obtained just Grade mixture；
Step B:Radical initiator, coloring agent, levelling agent are sequentially added in primary mix, is then heated up, stirring obtains Uniform mixing liquid, is kept in dark place, and is flexible photosensitive resin.
Preferably, in the step B, 40 DEG C -50 DEG C are warming up to, opens mechanical agitation to 500 to 800 revs/min, at the uniform velocity When stirring 0.5-2 is small.
Present invention offers following advantageous effects：
（1）The flexible photosensitive resin viscosity of the present invention（250CPs-400CPs, 25 DEG C）It is most of less than same type in the market flexible Resin viscosity, shaping speed is fast, has ensured the rapid shaping of 3D printing product.
（2）The tearing strength of the flexible photosensitive resin of the present invention（30KN/m-40KN/m）And elongation at break（300%- 400%）It is superior to most of flexible resin in the market.
（3）The stable mechanical property of the flexible photosensitive resin of the present invention, anti-aging property is excellent, in addition preparation process letter It is single, it is easy to utilize.
Specific embodiment
The preferably embodiment of the present invention is described in further detail below：
Embodiment 1
1. by the proportioning configuration photosensitive resin raw material of table 1
Table 1
2. preparation method
Step A:In three mouthfuls of vials equipped with mechanical agitator, sequentially add 30 parts of aliphatic urethane acrylate, gather 15 parts of ester acrylate, 28 parts of hydroxypropyl acrylate, 7 parts of acryloyl morpholine, trimethylolpropane formal acrylate 17 Part, 400 0.2 parts of TINUVIN, obtain primary mix.
Step B:It is black that 3 parts of TPO, 0.5 part of BYK333, F2090 are sequentially added in the primary mix that step A is obtained 0.3 part, 40 DEG C are warming up to, it is 600 revs/min to adjust agitator speed, when continuous uniform stirring 1 is small, is obtained faint yellow uniform Liquid is sealed, and is flexible photosensitive resin.
Embodiment 2
1. by the proportioning configuration photosensitive resin raw material of table 2
Table 2
2. preparation method
Step A:In three mouthfuls of vials equipped with mechanical agitator, sequentially add 24 parts of aliphatic urethane acrylate, gather 13 parts of ester acrylate, 30 parts of dodecyl methyl acrylate, 10 parts of acryloyl morpholine, dodecyl methyl acrylate 30 Part, polyethylene glycol（400）20 parts of diacrylate, 400 0.2 parts of TINUVIN, obtain primary mix.
Step B:Sequentially added in the primary mix that step A is obtained TPO2 parts, 0.5 part of BYK333, F2090 it is black 0.3 part, then 50 DEG C are warming up to, it is 500 revs/min to adjust agitator speed, when continuous uniform stirring 1.5 is small, is obtained faint yellow Uniform liquid is sealed, and is flexible photosensitive resin.
Embodiment 3
1. by the proportioning configuration photosensitive resin raw material of table 2
Table 3
2. preparation method
Step A:In three mouthfuls of vials equipped with mechanical agitator, 40 parts of aliphatic urethane acrylate, ten are sequentially added 29 parts of dialkyl methyl acrylate, 8 parts of trimethylolpropane formal acrylate, polyethylene glycol（400）Diacrylate 20 parts, 400 0.2 parts of TINUVIN, obtain primary mix.
Step B:It is black that 3 parts of TPO, 0.5 part of BYK333, F2090 are sequentially added in the primary mix that step A is obtained 0.3 part, then 45 DEG C are warming up to, it is 700 revs/min to adjust agitator speed, when continuous uniform stirring 0.5 is small, is obtained faint yellow Uniform liquid is sealed, and is flexible photosensitive resin.
Embodiment 4
1. by the proportioning configuration photosensitive resin raw material of table 4
Table 4
2. preparation method
Step A:In three mouthfuls of vials equipped with mechanical agitator, 25 parts of aliphatic urethane acrylate, ring are sequentially added 10 parts of oxypropylene acid esters, 28 parts of tetrahydrofuran acrylate, 15 parts of 1 6- hexanediol dimethacrylates, polyethylene glycol （400）20 parts of diacrylate, 400 0.2 parts of TINUVIN, obtain primary mix.
Step B:It is black that 2 parts of TPO, 0.45 part of BYK333, F2090 are sequentially added in the primary mix that step A is obtained 0.25 part, 50 DEG C are warming up to, it is 800 revs/min to adjust agitator speed, when continuous uniform stirring 1 is small, is obtained faint yellow uniform Liquid is sealed, and is flexible photosensitive resin.
Embodiment 5
1. by the proportioning configuration photosensitive resin raw material of table 5
Table 5
2. preparation method
Step A:In three mouthfuls of vials equipped with mechanical agitator, 34.5 parts of urethane acrylate, acrylic acid are sequentially added Different 32 parts of monooctyl ester, 12 parts of trimethylolpropane formal acrylate,（10）18 parts of ethoxylated bisphenol A diacrylates, 400 0.25 parts of TINUVIN, obtains primary mix.
Step B:Sequentially add 1.5 parts of TPO in the primary mix that step A is obtained, 819 1 parts, BYK501 0.5 Part, red 0.25 part of F3095 are warming up to 45 DEG C, and it is 750 revs/min to adjust agitator speed, when continuous uniform stirring 1 is small, obtain It to faint yellow uniform liquid, is sealed, is flexible photosensitive resin.
Embodiment 6
1. by the proportioning configuration photosensitive resin raw material of table 6
Table 6
2. preparation method
Step A:In three mouthfuls of vials equipped with mechanical agitator, 30 parts of urethane acrylate oligomer, third are sequentially added 25 parts of the different monooctyl ester of olefin(e) acid, 15 parts of 1 6- hexanediol dimethacrylates, 26.5 parts of tetrahydrofuran acrylate, TINUVIN 400 0.25 parts, obtain primary mix.
Step B:Sequentially added in the primary mix that step A is obtained 1.5 parts of TPO, 819 1 parts, BYK501 0.5 Part, red 0.25 part of F3095 are warming up to 45 DEG C, and it is 600 revs/min to adjust agitator speed, when continuous uniform stirring 1 is small, obtain It to faint yellow uniform liquid, is sealed, is flexible photosensitive resin.
Embodiment 7
1. by the proportioning configuration photosensitive resin raw material of table 7
Table 7
2. preparation method
Step A:In three mouthfuls of vials equipped with mechanical agitator, 30 parts of epoxy acrylate, polyester acrylic are sequentially added 15 parts of ester, 24 parts of Isooctyl acrylate monomer, 13 parts of trimethylolpropane formal acrylate,（10）Bis- propylene of ethoxylated bisphenol A 15 parts of acid esters, 292 0.15 parts of TINUVIN.Obtain primary mix.
Step B:2 parts of TPO is sequentially added in the primary mix that step A is obtained, 0.4 part of BYK307, F4049 are blue 0.2 part, 400 0.25 parts of TINUVIN are warming up to 45 DEG C, and it is 650 revs/min to adjust agitator speed, continuous uniform stirring 1 Hour, faint yellow uniform liquid is obtained, is sealed, is flexible photosensitive resin.
Embodiment 8
1. by the proportioning configuration photosensitive resin raw material of table 8
Table 8
2. preparation method
Step A:In three mouthfuls of vials equipped with mechanical agitator, 25 parts of organic silicon acrylic ester, polyester are sequentially added 15 parts of acid esters, 30 parts of Isooctyl acrylate monomer, 10 parts of trimethylolpropane formal acrylate, polyethylene glycol（400）Two propylene 17 parts of acid esters, 292 0.15 parts of TINUVIN, obtain primary mix.
Step B:It is yellow that 3 parts of TPO, 0.35 part of BYK501, F5066 are sequentially added in the primary mix that step A is obtained 0.15 part, 400 0.25 parts of TINUVIN are warming up to 50 DEG C, and it is 600 revs/min to adjust agitator speed, continuous uniform stirring 1 Hour, faint yellow uniform liquid is obtained, is sealed, is flexible photosensitive resin.
Embodiment 9
1. by the proportioning configuration photosensitive resin raw material of table 9
Table 9
2. preparation method
Step A:In three mouthfuls of vials equipped with mechanical agitator, 20 parts of organic silicon acrylic ester, aliphatic poly are sequentially added 20 parts of urethane acrylate, 20 parts of Isooctyl acrylate monomer, 15 parts of trimethylolpropane formal acrylate, acryloyl morpholine 22 parts, 292 0.15 parts of TINUVIN, obtain primary mix.
Step B:Sequentially added in the primary mix that step A is obtained 3 parts of TPO, 2 parts of TPO, 0.35 part of BYK501, F5066 Huang 0.15 part, 400 0.25 parts of TINUVIN are warming up to 40 DEG C, and it is 600 revs/min to adjust agitator speed, is continued When uniform stirring 1 is small, faint yellow uniform liquid is obtained, is sealed, be flexible photosensitive resin.
Performance test：
For curing the ultraviolet light that the light source of the photosensitive resin is wavelength 405nm.
（1）Shore hardness
By the photosensitive resin sample obtained by embodiment 1-9 under the conditions of 25 ± 3 DEG C, measured with shore A type hardness testers.
（2）Viscosity is tested
By the photosensitive resin sample obtained by embodiment 1-9 under the conditions of 25 DEG C, with II+Pro type viscosimeters of Bookfield DV- It measures.
（3）Photosensitive property is tested
The photosensitive property of photosensitive resin is the important indicator for characterizing photocuring characteristic, including critical solidification energy EcWith projection depth Dp。EcRefer to that the photosensitive resin of the unit area under transmission depth reaches the minimum solidification energy needed for gel state；DpThen characterize The relation of cured thickness and light.
By photosensitive resin sample made from embodiment 1-9 under the conditions of different-energy irradiation, each embodiment is made respectively Then different samples tests the thickness of these samples respectively.Each embodiment makes working curve with different-thickness and energy, The slope of curve is Dp, curve and X-axis intersection point are Ec
（4）Tearing strength is tested with elongation at break
By the photosensitive resin sample obtained by embodiment 1-9 under the conditions of 25 DEG C, with Mei Tesi almighty test machines according to ASTM D638 testing standards are tested.
The experimental result that sample made from embodiment 1-9 measures, as shown in table 10.
Table 10
As can be seen from Table 10, the photosensitive resin Ec obtained by embodiment 1-9 is relatively low, easily cures, and tearing strength is all higher than or waits In 30 KN/m, elongation at break is all higher than 250%, and the photosensitive resin hardness is in Shao A more than 60, beneficial to shaping.It beats It prints off the sample come and has been also equipped with stronger toughness while keeping flexible, it is tear-resistant, it is suitable for shoe industry, flexible die The industries such as tool, medical instrument compliant member.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, it is impossible to assert The specific implementation of the present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, exist On the premise of not departing from present inventive concept, several simple deduction or replace can also be made, should all be considered as belonging to the present invention's Protection domain.

Claims (9)

1. a kind of flexible photosensitive resin for 3D printing, which is characterized in that by weight percentage, including：Acrylate oligomers Object 20-50%, diluent 30-70%, coloring agent 0.1-2%, radical initiator 1-5%, levelling agent 0.1-5%, ultraviolet absorber 0.1-5%。
2. the flexible photosensitive resin of 3D printing to be used for as described in claim 1, which is characterized in that the acrylic acid oligomer is adopted With aliphatic urethane acrylate oligomer, polyester acrylate oligomers, epoxy acrylate oligomer, organosilicon propylene At least one of acid esters oligomer.
3. the flexible photosensitive resin of 3D printing to be used for as described in claim 1, which is characterized in that the diluent uses tetrahydrochysene Furanacrylate, dodecyl methyl acrylate, Isooctyl acrylate monomer, hydroxypropyl acrylate, trimethylolpropane contracting first Aldehyde acrylate, acryloyl morpholine, 1 6- hexanediol dimethacrylates, polyethylene glycol（400）Diacrylate,（10）Second Aoxidize at least one of bisphenol a diacrylate, trimethylol-propane trimethacrylate.
4. a kind of flexible photosensitive resin for 3D printing as described in claim 1, which is characterized in that the coloring agent uses Black F2090, Huang F5066, red F3095, the indigo plant F4049 of FOEBE series.
5. a kind of flexible photosensitive resin for 3D printing as described in claim 1, which is characterized in that the free radical triggers Agent is using at least one of TPO, 819, TPO-L.
6. a kind of flexible photosensitive resin for 3D printing as described in claim 1, which is characterized in that the levelling agent uses At least one of BYK501, BYK333, BYK307.
A kind of 7. flexible photosensitive resin for 3D printing as described in claim 1, which is characterized in that the ultraviolet absorber Using at least one of UV-9, TINUVIN 400, TINUVIN 292, TINUVIN 571, TINUVIN B97.
8. a kind of prepare the flexible photosensitive process for preparing resins as described in claim 1 for being used for 3D printing, which is characterized in that bag Include following steps：
Step A:In reaction bulb, the acrylate oligomer, diluent, ultraviolet absorber of formula ratio are sequentially added, is obtained just Grade mixture；
Step B:Radical initiator, coloring agent, levelling agent are sequentially added in primary mix, is then heated up, stirring obtains Uniform mixing liquid, is kept in dark place, and is flexible photosensitive resin.
9. method as claimed in claim 8, which is characterized in that in the step B, be warming up to 40 DEG C -50 DEG C, open machinery and stir It mixes to 500 to 800 revs/min, when at the uniform velocity stirring 0.5-2 is small.
CN201711407001.8A 2017-12-22 2017-12-22 It is a kind of for flexible photosensitive resin of 3D printing and preparation method thereof Pending CN108047386A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
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CN109081890A (en) * 2018-06-19 2018-12-25 南方科技大学 A kind of photosensitive resin and its preparation method and application
CN109912753A (en) * 2019-02-27 2019-06-21 深圳摩方新材科技有限公司 High-precision low layer thickness high performance 3 d printed photosensitive resin and its preparation and application
WO2019119428A1 (en) * 2017-12-22 2019-06-27 深圳摩方新材科技有限公司 Flexible photosensitive resin for 3d printing and preparation method therefor
CN110467704A (en) * 2019-08-02 2019-11-19 济南赢科新材料科技有限公司 A kind of 3D printing LED light solidification flexible photosensitive resin and preparation method thereof
WO2019241911A1 (en) * 2018-06-19 2019-12-26 深圳摩方新材科技有限公司 Prototype formulation of resin mold for photocuring rapid molding and investment casting process thereof
CN110776604A (en) * 2019-10-31 2020-02-11 东莞理工学院 Light-cured wax resin for DLP (digital light processing) type 3D printing and preparation method thereof
CN111234489A (en) * 2020-03-17 2020-06-05 深圳摩方新材科技有限公司 Modified polylactic acid biodegradable material for photocuring 3D printing and preparation method thereof
CN113087851A (en) * 2021-03-11 2021-07-09 深圳光华伟业股份有限公司 Friction-resistant 3D printing photocureable resin and application method thereof
CN113754836A (en) * 2021-09-26 2021-12-07 泉州洛江扶摇三维科技有限公司 Preparation method of 3D printing photosensitive resin based on recycled PET bottle flakes
CN113980192A (en) * 2021-10-11 2022-01-28 深圳市纵维立方科技有限公司 Photocuring three-dimensional printing resin and preparation method thereof
CN114763400A (en) * 2021-01-13 2022-07-19 中国石油化工股份有限公司 Flexible photosensitive resin and preparation method thereof, and 3D printing product and preparation method thereof
WO2023050530A1 (en) * 2021-09-28 2023-04-06 泉州师范学院 Low-temperature-resistant flexible photosensitive resin composition for photocuring 3d printing and preparation method for low-temperature-resistant flexible photosensitive resin composition

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Application publication date: 20180518