CN106221238B - A kind of organosilicon material and preparation method thereof of 3D printer resin storage tank - Google Patents
A kind of organosilicon material and preparation method thereof of 3D printer resin storage tank Download PDFInfo
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- CN106221238B CN106221238B CN201610692140.9A CN201610692140A CN106221238B CN 106221238 B CN106221238 B CN 106221238B CN 201610692140 A CN201610692140 A CN 201610692140A CN 106221238 B CN106221238 B CN 106221238B
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
A kind of transparent flexible layer organosilicon material of the present invention relates to light transmittances good, easy mold release 3D printer resin storage tank, by mass ratio be 1:(1 ± 0.2) component A base rubber and B component base rubber be prepared, the component A base rubber, it in parts by weight include: 99.4~99.9 parts of methyl polysiloxane vinyl-bearing, 0.1~0.6 part of platinum catalyst；The B component base rubber includes: 55~85 parts of methyl polysiloxane vinyl-bearing, 10~40 parts of crosslinking agent, 0.01~0.1 part of inhibitor, 1~5 part of auxiliary material in parts by weight.The invention discloses the preparation methods of the transparent flexible layer organosilicon material of this 3D printer resin storage tank, the preparation method simple process, to equipment without particular/special requirement, the transparent flexible layer organosilicon material of the 3D printer resin storage tank being prepared has good photostability.
Description
Technical field
The present invention relates to stereolithography rapid shaping chemical material technical fields, and in particular to a kind of 3D printer resin
Transparent flexible layer organosilicon material of slot and preparation method thereof.
Background technique
3D printing is also referred to as increases material manufacturing technology, late 1980s, and 3D Systems company, the U.S. is proposed earliest
Commercial 3D printer, this forming machine can fully automatically produce the complicated solid that various processing methods are difficult to make
Shaped objects become manufacture complex parts easily and quickly, have epoch-making meaning in processing technique field.Currently,
The 3D printing technique of comparative maturity mainly has a fuse deposition rapid forming, quires layer rapid shaping, and selective laser sintering is quick
Molding and stereolithography rapid shaping.The basic functional principle of stereolithography rapid shaping technique is discrete and accumulation, is being calculated
Under the control of machine, ultraviolet laser is respectively layered cross-section data by part to the point by point scanning of liquid photosensitive resin surface, makes scanned area
The thin resin layer in domain generates photopolymerization reaction and solidifies, and forms a thin layer of part；After one layer of solidification, under workbench
Drop is coated with one layer of new liquid resin in the resin surface being originally cured to carry out next layer of scanning solidification；New solidification
One layer again be bonded in preceding layer securely；It so repeats, until entire 3D solid (being commonly called as: molded part, part) makes
It finishes.
There are mainly two types of the ultraviolet lasing forms of stereolithography rapid shaping: top-emission and bottom emission.With top
Portion emits laser comparison, and the printing type of bottom emission laser can save scraper part, and mechanical structure is relatively easy, this side
Formula is suitable for desktop grade 3D printer.UV laser beam is pressed from machine bottom emission through resin trench bottom transparent flexible layer
Cross-section data carries out point by point scanning to photosensitive resin bottom, and after one layer of solidification, part and resin storage tank are separated, on workbench
It rises, coats one layer of new liquid resin in the resin surface being originally cured, so repeat to complete until part.
Currently, transparent flexible layer commonly used by 3D printer resin storage tank there is light transmittances it is low, release property is poor the problems such as.Tree
Rouge slot population bottom light transmission ratio is low to have an impact laser beam, and the curing degree that may cause photosensitive resin reduces to from workbench
It falls off；In addition, pulling force is excessive to lead to part when the surface tension of resin trench bottom may result in greatly part and resin storage tank separation
It falls off from workbench, or leads to resin storage tank damaged surfaces after being used for a long time.
Summary of the invention
In view of the deficiencies of the prior art, a kind of the object of the present invention is to provide light transmittances good, easy mold release 3D printer
Transparent flexible layer organosilicon material of resin storage tank and preparation method thereof, and this organosilicon material is applied to preparation 3D printing
In the transparent flexible layer of the resin storage tank of machine.The transparent flexible layer organosilicon material system of 3D printer resin storage tank provided by the invention
The transparent flexible layer organosilicon material light transmittance for the 3D printer resin storage tank that Preparation Method is prepared is high, release property is good.
The present invention realizes by the following technical programs:
A kind of transparent flexible layer organosilicon material of 3D printer resin storage tank, by mass ratio be 1:(1 ± 0.2) A group
Point base rubber and B component base rubber are prepared, and the component A base rubber includes: methyl polysilicon oxygen vinyl-bearing in parts by weight
99.4~99.9 parts of alkane, 0.1~0.6 part of platinum catalyst；The B component base rubber includes: vinyl-bearing in parts by weight
55~85 parts of methyl polysiloxane, 10~40 parts of crosslinking agent, 0.01~0.1 part of inhibitor, 1~5 part of auxiliary material.
Preferably, the component A base rubber and B component base rubber mass ratio are 1:1.
Preferably, the methyl polysiloxane vinyl-bearing be viscosity be 500~13000 mPas, ethylene matrix
Measure the methyl vinyl silicon oil or viscosity is 500~13000 mPas, vinyl quality is divided that score is 0.1~4%
The methyl ethylene that the methyl ethylene MDT silicone resin or vinyl mass fraction that number is 0.1~4% are 0.1~4%
At least one of MQ silicone resin.
Preferably, the platinum catalyst is that platinum complex, methyl ethylene that methyl vinyl silicone is coordinated are oligomeric
Siloxanes coordination platinum complex, diethyl phthalate coordination platinum complex, chloroplatinic acid aqueous isopropanol at least
It is a kind of.
Preferably, the crosslinking agent be viscosity be 100~3000 mPas, hydrogen atom mass fraction be 0.3~
The first that 1% Methyl Hydrogen Polysiloxane Fluid or viscosity is 100-3000 mPas, hydrogen atom mass fraction is 0.3~1%
At least one in methyl hydrogen MQ silicone resin that the hydrogeneous MDT silicone resin of base or hydrogen atom mass fraction are 0.3~1%
Kind.
Preferably, the inhibitor is the one or more of alkynol, maleate or methylvinylcyclosiloxane.
Preferably, the auxiliary material is the hydrolysate of silane coupling agent or silane coupling agent.
Above-mentioned methyl vinyl silicon oil, methyl ethylene MDT silicone resin and methyl vinyl MQ silicon resin, methyl hydrogen
Silicone oil, methyl hydrogen MDT silicone resin, methyl hydrogen MQ silicone resin, alkynol, maleate, methylvinylcyclosiloxane, silane
The hydrolysate of coupling agent and silane coupling agent is commercial product.Designer has found that primary raw material is selected in the course of the research
Methyl vinyl silicon oil viscosity is 500~13000 mPas, vinyl mass fraction is 0.1~4%, or select
Methyl ethylene MDT silicone resin viscosity is 500~13000 mPas, vinyl mass fraction is 0.1~4%, or
When the vinyl mass fraction of methyl vinyl MQ silicon resin is 0.1~4%, it is 100~3000 that crosslinking agent, which selects viscosity,
MPas, the Methyl Hydrogen Polysiloxane Fluid that hydrogen atom mass fraction is 0.3~1% or viscosity be 100~3000 mPas,
The methyl hydrogen MDT silicone resin or hydrogen atom mass fraction that hydrogen atom mass fraction is 0.3-1% are 0.3~1%
When the one or more of methyl hydrogen MQ silicone resin, under the catalytic action of catalyst platinum complex compound, can effectively it be added
At cross-linking reaction, reaction efficiency is high.Meanwhile cooperating the use of inhibitor, it can effectively control reaction speed and reaction conversion ratio.
Vacuum defoamation is eventually passed through, is solidified, the transparent flexible layer organosilicon material of obtained 3D printer resin storage tank can demould repeatedly
1200 times or more, and have the mechanical properties such as good hardness and toughness.
The present invention provides a kind of preparation sides of the transparent flexible layer organosilicon material of above-mentioned 3D printer resin storage tank
Method is prepared according to the component and its ratio of above-mentioned component A base rubber and B component base rubber, specifically includes the following steps:
The preparation of step a:A component base rubber: be added in the reaction vessel methyl polysiloxane vinyl-bearing 99.4~
It 99.9 parts, 0.1~0.6 part of platinum catalyst, is stirred, makes in reaction vessel under conditions of temperature is 20~25 DEG C
Material is uniformly mixed, and obtains component A base rubber；
The preparation of step b:B component base rubber: methyl polysiloxane 55~85 vinyl-bearing is added in the reaction vessel
Part, 10~40 parts of crosslinking agent, 0.01~0.1 part of inhibitor, 1~5 part of auxiliary material, the condition for being 20~25 DEG C in temperature
Under be stirred, be uniformly mixed material in reaction vessel, obtain B component base rubber；
Step c: by B component base rubber obtained in component A base rubber obtained in step a and step b according to 1:(1 ± 0.2)
Mass ratio mixed, injected in 3D printer resin storage tank after vacuum defoamation, after solidification, 3D printer resin storage tank be made
Transparent flexible layer organosilicon material.
Preferably, it is 40~50 DEG C that the condition of cure in step c described in preparation method, which is solidification temperature, solidification
Time is 4~9 h.
The present invention has found under study for action, selects the curing time of above-mentioned 40~50 DEG C of solidification temperature and 4-9 h,
Curing rate is fast, and solidification effect is good.
Based on above-mentioned technical solution, technical effect that the present invention has are as follows:
(1) the transparent flexible layer organosilicon material of 3D printer resin storage tank provided by the invention, during the preparation process, choosing
With the methyl polysiloxane and particular viscosity range and hydrogen atom mass fraction of particular viscosity range and vinyl mass fraction
Crosslinking agent, be used in compounding platinum catalyst, inhibitor and auxiliary material coupling agent, compatibility is good between component, can be effectively crosslinked
Reaction, reaction efficiency are high；Reaction speed and reaction conversion ratio can also be controlled simultaneously, there is outstanding processing performance.
(2) the transparent flexible layer organosilicon material light transmittance of 3D printer resin storage tank of the invention is high, the glue film of 3mm thickness
To the light transmittances of 405 nm length ultraviolet light 90% or more, and resistance to UV aging, non yellowing under UV light long-term irradiation, light transmittance
Do not decline, there is good photostability.
(3) the transparent flexible layer organosilicon material easy mold release that the present invention is prepared, can demould 1200 times or more, glue repeatedly
For film without apparent damage, the use longevity of 3D printer resin storage tank is can be improved well in the stripping result of transparent flexible layer organosilicon material
Life.
(4) the preparation method technique letter of the transparent flexible layer organosilicon material of 3D printer resin storage tank provided by the invention
Single, the transparent flexible layer organosilicon material for the 3D printer resin storage tank being prepared has high light transmittance and outstanding demoulding
Property；The preparation method convenient operation and control, to equipment without particular/special requirement, reaction efficiency is high, is suitble to large-scale production.
Specific embodiment
For the ease of it will be understood by those skilled in the art that, the present invention is further explained in the light of specific embodiments,
The content that embodiment refers to is not delimit the scope of the invention.
Embodiment 1
The transparent flexible layer organosilicon material for present embodiments providing a kind of 3D printer resin storage tank, by including following step
Rapid preparation method is prepared:
The preparation of step a:A component base rubber: viscosity is added in the reaction vessel as 5000 mPas, vinyl quality point
Number is 99.4 parts of methyl vinyl silicon oil of 2 %, 0.6 part of platinum catalyst, is stirred under conditions of temperature is 25 DEG C, is made anti-
It answers the material in container to be uniformly mixed, obtains component A base rubber；
The preparation of step b:B component base rubber: viscosity is added in the reaction vessel as 7000 mPas, vinyl quality point
Number is 70.9 parts of methyl vinyl silicon oil of 2 %, the crosslinking agent that viscosity is 1000 mPas, hydrogen atom mass fraction is 0.8 %
25 parts of Methyl Hydrogen Polysiloxane Fluid, 0.1 part of inhibitor methylvinylcyclosiloxane, auxiliary material γ-glycidyl ether oxygen propyl trimethoxy
It 4 parts of base silane, is stirred under conditions of temperature is 25 DEG C, is uniformly mixed the material in reaction vessel, obtains B component base
Glue；
The preparation of the transparent flexible layer organosilicon material of step c:3D printer resin storage tank: by A group obtained in step a
B component base rubber obtained is that 1:1 is mixed according to mass ratio in point base rubber and step b, injection 3D printing resin storage tank after vacuum defoamation
It is interior, after solidifying 4 h at 50 DEG C, the transparent flexible layer organosilicon material of 3D printer resin storage tank is made.
Embodiment 2
The transparent flexible layer organosilicon material for present embodiments providing a kind of 3D printer resin storage tank, by including following step
Rapid preparation method is prepared:
The preparation of step a:A component base rubber: it is 7000 mPas, total ethylene matrix that total viscosity is added in the reaction vessel
99.4 parts of mixture for measuring the score methyl vinyl silicon oil for being 1% and methyl vinyl MQ silicon resin, 0.6 part of platinum catalyst,
Temperature is stirred under conditions of being 25 DEG C, is uniformly mixed the material in reaction vessel, is obtained component A base rubber；
The preparation of step b:B component base rubber: viscosity is added in the reaction vessel as 3000 mPas, vinyl quality point
Number is 65.9 parts of methyl vinyl silicon oil of 1 %, the crosslinking agent that viscosity is 500 mPas, hydrogen atom mass fraction is 0.3 %
30 parts of Methyl Hydrogen Polysiloxane Fluid, 0.1 part of inhibitor methylvinylcyclosiloxane, auxiliary material γ-glycidyl ether oxygen propyl trimethoxy
It 4 parts of base silane, is stirred under conditions of temperature is 25 DEG C, is uniformly mixed the material in reaction vessel, obtains B component base
Glue；
The preparation of the transparent flexible layer organosilicon material of step c:3D printer resin storage tank: by A group obtained in step a
B component base rubber obtained is that 1:1 is mixed according to mass ratio in point base rubber and step b, injection 3D printing resin storage tank after vacuum defoamation
It is interior, after solidifying 4 h at 50 DEG C, the transparent flexible layer organosilicon material of 3D printer resin storage tank is made.
Embodiment 3
The transparent flexible layer organosilicon material for present embodiments providing a kind of 3D printer resin storage tank, by including following step
Rapid preparation method is prepared:
The preparation of step a:A component base rubber: it is 7000 mPas, total ethylene matrix that total viscosity is added in the reaction vessel
99.6 parts of mixture for measuring the methyl vinyl silicon oil that score is 2 % and methyl vinyl MQ silicon resin, 0.4 part of platinum catalyst,
It is stirred under conditions of temperature is 25 DEG C, is uniformly mixed the material in reaction vessel, obtains component A base rubber；
The preparation of step b:B component base rubber: it is 5000 mPas, total ethylene matrix that total viscosity is added in the reaction vessel
74.9 parts of mixture for measuring the methyl vinyl silicon oil that score is 1 % and methyl vinyl MQ silicon resin, viscosity 1000
MPas, 20 parts of crosslinking agent Methyl Hydrogen Polysiloxane Fluid that hydrogen atom mass fraction is 0.7 %, 0.1 part of inhibitor ethynylcyclohexanol,
Auxiliary material γ -5 parts of glycidyl ether oxygen propyl methyl dimethoxysilane is stirred under conditions of temperature is 25 DEG C, is made anti-
It answers the material in container to be uniformly mixed, obtains B component base rubber；
The preparation of the transparent flexible layer organosilicon material of step c:3D printer resin storage tank: by A group obtained in step a
B component base rubber obtained is that 1:1 is mixed according to mass ratio in point base rubber and step b, injection 3D printing resin storage tank after vacuum defoamation
It is interior, after solidifying 6h at 50 DEG C, the transparent flexible layer organosilicon material of 3D printer resin storage tank is made.
Embodiment 4
The transparent flexible layer organosilicon material for present embodiments providing a kind of 3D printer resin storage tank, by including following step
Rapid preparation method is prepared:
The preparation of step a:A component base rubber: it is 10000 mPas, total ethylene matrix that total viscosity is added in the reaction vessel
99.6 parts of mixture for measuring the methyl vinyl silicon oil that score is 4 % and methyl vinyl MQ silicon resin, 0.4 part of platinum catalyst,
It is stirred under conditions of temperature is 25 DEG C, is uniformly mixed the material in reaction vessel, obtains component A base rubber；
The preparation of step b:B component base rubber: it is 3000 mPas, total ethylene matrix that total viscosity is added in the reaction vessel
76.9 parts of mixture for measuring the methyl vinyl silicon oil that score is 0.5 % and methyl vinyl MQ silicon resin, viscosity 3000
MPas, 19 parts of crosslinking agent Methyl Hydrogen Polysiloxane Fluid that hydrogen atom mass fraction is 1 %, it is 0.1 part of inhibitor ethynylcyclohexanol, auxiliary
Expect γ -4 parts of glycidyl ether oxygen propyl methyl dimethoxysilane, is stirred under conditions of temperature is 25 DEG C, makes to react
Material in container is uniformly mixed, and obtains B component base rubber；
The preparation of the transparent flexible layer organosilicon material of step c:3D printer resin storage tank: by A obtained in step a
B component base rubber obtained is that 1:1 is mixed according to mass ratio in component base rubber and step b, and 3D printing resin is injected after vacuum defoamation
In slot, after solidifying 6h at 50 DEG C, the transparent flexible layer organosilicon material of 3D printer resin storage tank is made.
Embodiment 5
The transparent flexible layer organosilicon material for present embodiments providing a kind of 3D printer resin storage tank, by including following step
Rapid preparation method is prepared:
The preparation of step a:A component base rubber: it is 13000 mPas, total ethylene matrix that total viscosity is added in the reaction vessel
99.9 parts of mixture for measuring the methyl vinyl silicon oil that score is 1.5 % and methyl vinyl MQ silicon resin, platinum catalyst 0.1
Part, it is stirred under conditions of temperature is 25 DEG C, is uniformly mixed the material in reaction vessel, obtains component A base rubber；
The preparation of step b:B component base rubber: it is 500 mPas, vinyl mass fraction that viscosity is added in the reaction vessel
For 74.19 parts of methyl vinyl silicon oil of 0.1 %, the crosslinking agent that viscosity is 100 mPas, hydrogen atom mass fraction is 0.3 %
23.8 parts of Methyl Hydrogen Polysiloxane Fluid, 0.01 part of inhibitor methyl butynol, auxiliary material γ-glycidyl ether oxygen propyl trimethoxy silicane
It 2 parts, is stirred under conditions of temperature is 25 DEG C, is uniformly mixed the material in reaction vessel, obtains B component base rubber；
The preparation of the transparent flexible layer organosilicon material of step c:3D printer resin storage tank: by A obtained in step a
B component base rubber obtained is that 1:1 is mixed according to mass ratio in component base rubber and step b, and 3D printing resin is injected after vacuum defoamation
In slot, after solidifying 9h at 50 DEG C, the transparent flexible layer organosilicon material of 3D printer resin storage tank is made.
Embodiment 6
The transparent flexible layer organosilicon material for present embodiments providing a kind of 3D printer resin storage tank, by including following step
Rapid preparation method is prepared:
The preparation of step a:A component base rubber: it is 6000 mPas, total ethylene matrix that total viscosity is added in the reaction vessel
99.7 parts of mixture for measuring the methyl vinyl silicon oil that score is 1.9 % and methyl vinyl MQ silicon resin, platinum catalyst 0.3
Part, it is stirred under conditions of temperature is 25 DEG C, is uniformly mixed the material in reaction vessel, obtains component A base rubber；
The preparation of step b:B component base rubber: it is 10000 mPas, vinyl quality that total viscosity is added in the reaction vessel
88.9 parts of mixture of methyl vinyl silicon oil and methyl ethylene MDT silicone resin that score is 0.2 %, viscosity 3000
MPas, 10 parts of crosslinking agent Methyl Hydrogen Polysiloxane Fluid that hydrogen atom mass fraction is 1 %, inhibitor methylvinylcyclosiloxane
It 0.1 part, auxiliary material γ -1 part of glycidyl ether oxygen propyl trimethoxy silicane, is stirred, makes under conditions of temperature is 25 DEG C
Material in reaction vessel is uniformly mixed, and obtains B component base rubber；
The preparation of the transparent flexible layer organosilicon material of step c:3D printer resin storage tank: by A group obtained in step a
B component base rubber obtained is that 1:1 is mixed according to mass ratio in point base rubber and step b, injection 3D printing resin storage tank after vacuum defoamation
It is interior, after solidifying 5h at 50 DEG C, the transparent flexible layer organosilicon material of 3D printer resin storage tank is made.
Embodiment 7
The transparent flexible layer organosilicon material for present embodiments providing a kind of 3D printer resin storage tank, by including following step
Rapid preparation method is prepared:
The preparation of step a:A component base rubber: it is 10000 mPas, total ethylene matrix that total viscosity is added in the reaction vessel
99.6 parts of mixture for measuring the methyl vinyl silicon oil that score is 1.2 % and methyl vinyl MQ silicon resin, platinum catalyst 0.4
Part, it is stirred under conditions of temperature is 25 DEG C, is uniformly mixed the material in reaction vessel, obtains component A base rubber；
The preparation of step b:B component base rubber: it is 10000 mPas, vinyl quality that total viscosity is added in the reaction vessel
73.9 parts of mixture of methyl vinyl silicon oil and methyl vinyl MQ silicon resin that score is 1.2 %, viscosity 1000
MPas, 23 parts of crosslinking agent Methyl Hydrogen Polysiloxane Fluid that hydrogen atom mass fraction is 0.4 %, inhibitor methylvinylcyclosiloxane
It 0.1 part, auxiliary material γ -3 parts of glycidyl ether oxygen propyl trimethoxy silicane, is stirred, makes under conditions of temperature is 25 DEG C
Material in reaction vessel is uniformly mixed, and obtains B component base rubber；
The preparation of the transparent flexible layer organosilicon material of the 3D printer resin storage tank of step c:3D printer resin storage tank:
B component base rubber obtained in component A base rubber obtained in step a and step b is mixed according to mass ratio for 1:1, vacuum defoamation
It injects in 3D printing resin storage tank afterwards, after solidifying 5h at 50 DEG C, the transparent flexible layer organosilicon of 3D printer resin storage tank is made
Material.
Comparative example 1
The transparent flexible layer organosilicon material for present embodiments providing a kind of 3D printer resin storage tank, by including following step
Rapid preparation method is prepared:
The preparation of step a:A component base rubber: it is 10000 mPas, total ethylene matrix that total viscosity is added in the reaction vessel
99.6 parts of mixture for measuring the methyl vinyl silicon oil that score is 5 % and methyl vinyl MQ silicon resin, 0.4 part of platinum catalyst,
It is stirred under conditions of temperature is 25 DEG C, is uniformly mixed the material in reaction vessel, obtains component A base rubber；
The preparation of step b:B component base rubber: it is 40000 mPas, vinyl quality that total viscosity is added in the reaction vessel
Score is 79.3 parts of methyl vinyl silicon oil of 0.1 %, the friendship that viscosity is 1000 mPas, hydrogen atom mass fraction is 1.6 %
17.6 parts of agent Methyl Hydrogen Polysiloxane Fluid of connection, 0.1 part of inhibitor methylvinylcyclosiloxane, auxiliary material γ-glycidyl ether oxygen propyl
It 3 parts of trimethoxy silane, is stirred under conditions of temperature is 25 DEG C, is uniformly mixed the material in reaction vessel, obtains B
Component base rubber；
The preparation of the transparent flexible layer organosilicon material of the 3D printer resin storage tank of step c:3D printer resin storage tank:
B component base rubber obtained in component A base rubber obtained in step a and step b is mixed according to mass ratio for 1:1, vacuum defoamation
It injects in 3D printing resin storage tank afterwards, after solidifying 5h at 50 DEG C, the transparent flexible layer organosilicon of 3D printer resin storage tank is made
Material.
The transparent flexible layer for the 3D printer resin storage tank that the above embodiments 1~7 and comparative example 1 are prepared is organic
Silicon materials are tested for the property, and test result is as shown in table 1.
The transparent flexible layer organosilicon material for the 3D printer resin storage tank that 1 Examples 1 to 7 of table and comparative example 1 are prepared
The performance test results of material
| Test item | Light transmittance (a length of 405 nm of incident light wave, film thickness are 3 mm) | Light transmittance after 1000 h of UV light aging | Hardness | Release times repeatedly |
| Embodiment 1 | 90.4% | 90.0% | 30A | 1200 times or more |
| Embodiment 2 | 92.7% | 92.5% | 42A | 1200 times or more |
| Embodiment 3 | 92.0% | 92.3% | 53A | 1200 times or more |
| Embodiment 4 | 91.5% | 91.6% | 54A | 1400 times or more |
| Embodiment 5 | 93.5% | 92.9% | 45A | 1400 times or more |
| Embodiment 6 | 91.2% | 91.0% | 50A | 1200 times or more |
| Embodiment 7 | 91.7% | 91.2% | 58A | 1300 times or more |
| Comparative example 1 | 90.9% | 87.8% | 70A | Less than 1000 times |
The performance test results of table 1 show, the transparent flexible layer organosilicon of the 3D printer resin storage tank of Examples 1 to 7
For material in a length of 405 nm of incident light wave, film thickness is that the light transmittance after 1000 h of 3 mm light transmittances and UV aging is all larger than
90%, meet the bottom emission requirement of the laser beam of 3D printer；The 3D printer tree that the embodiment of the present invention 1~7 is prepared
The transparent flexible layer organosilicon material easy mold release of rouge slot, can demould 1200 times or more repeatedly, and glue film guarantees 3D without apparent damage
The service life of printer resin storage tank.And the transparent flexible layer organosilicon material of the 3D printer resin storage tank of comparative example 1 is in UV
Less than 90%, and repeatedly, release times are unable to satisfy 3D printer resin storage tank less than 1000 times to light transmittance after 1000 h of aging
Requirement.
The foregoing is merely presently preferred embodiments of the present invention, should not be considered as limiting the scope of the invention.It is all
According to all the changes and improvements made by the present patent application range etc., should still belong within protection scope of the present invention.
Claims (2)
1. a kind of organosilicon material of 3D printer resin storage tank, which is characterized in that the component A base rubber that it is 1:1 by mass ratio
It is mixed with to obtain with B component base rubber, the component A base rubber includes: methyl polysiloxane vinyl-bearing in parts by weight
99.4~99.9 parts, 0.1~0.6 part of platinum catalyst；The B component base rubber includes: first vinyl-bearing in parts by weight
55~85 parts of based polysiloxane, 10~40 parts of crosslinking agent, 0.01~0.1 part of inhibitor, 1~5 part of auxiliary material；
The methyl polysiloxane vinyl-bearing be viscosity be 500~13000 mPas, vinyl mass fraction is 0.1
~4% methyl vinyl silicon oil or viscosity is 500~13000 mPas, vinyl mass fraction is 0.1~4%
At least the one of the methyl vinyl MQ silicon resin that methyl ethylene MDT silicone resin or vinyl mass fraction are 0.1~4%
Kind；
The platinum catalyst is the platinum complex of methyl vinyl silicone coordination, the coordination of methyl ethylene oligosiloxane
At least one of platinum complex, the platinum complex of diethyl phthalate coordination, aqueous isopropanol of chloroplatinic acid；
The crosslinking agent is the methyl hydrogen silicon that viscosity is 100~3000 mPas, hydrogen atom mass fraction is 0.3~1%
The methyl hydrogen MDT silicone resin that oil or viscosity are 100~3000 mPas, hydrogen atom mass fraction is 0.3~1%,
Or at least one of the methyl hydrogen MQ silicone resin that hydrogen atom mass fraction is 0.3~1%；
The inhibitor is the one or more of alkynol, maleate or methylvinylcyclosiloxane；
The auxiliary material is the hydrolysate of silane coupling agent or silane coupling agent.
2. the preparation method of the organosilicon material of 3D printer resin storage tank described in a kind of claim 1, which is characterized in that including
Following steps:
The preparation of step a:A component base rubber: being added 99.4~99.9 parts of methyl polysiloxane vinyl-bearing in the reaction vessel,
It 0.1~0.6 part of platinum catalyst, is stirred under conditions of temperature is 20~25 DEG C, mixes the material in reaction vessel equal
It is even, obtain component A base rubber；
The preparation of step b:B component base rubber: 55~85 parts of methyl polysiloxane vinyl-bearing are added in the reaction vessel, crosslinking
It 10~40 parts of agent, 0.01~0.1 part of inhibitor, 1~5 part of auxiliary material, is stirred under conditions of temperature is 20~25 DEG C,
It is uniformly mixed the material in reaction vessel, obtains B component base rubber；
Step c: by B component base rubber obtained in component A base rubber obtained in step a and step b according to 1:(1 ± 0.2) matter
Amount ratio is mixed, and is injected in 3D printer resin storage tank after vacuum defoamation, and after solidification, the organic of 3D printer resin storage tank is made
Silicon materials；
Condition of cure in the step c is that solidification temperature is 40~50 DEG C, and curing time is 4~9 h.
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