CN106146752A - A kind of potassium titanate crystal whisker modified light-sensitive resin and preparation method thereof - Google Patents
A kind of potassium titanate crystal whisker modified light-sensitive resin and preparation method thereof Download PDFInfo
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- CN106146752A CN106146752A CN201510152190.3A CN201510152190A CN106146752A CN 106146752 A CN106146752 A CN 106146752A CN 201510152190 A CN201510152190 A CN 201510152190A CN 106146752 A CN106146752 A CN 106146752A
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Abstract
The invention provides a kind of potassium titanate crystal whisker modified light-sensitive resin and preparation method thereof, this modified light-sensitive resin is prepared from by acrylate 25～45 parts, epoxy resin 20～40 parts, potassium titanate crystal whisker 5～35 parts, coupling agent 0.1～0.5 part, the steady agent of light 0.1～0.5 part, diluent 10～25 parts, defoamer 0.5～5 parts, levelling agent 0.5～5 parts, antioxidant 0.1～0.5 part, cationic initiators 1～5 parts and free radical type Photoepolymerizationinitiater initiater 1～5 parts.Photosensitive resin prepared by the present invention has the features such as the thermostability that shaping speed is fast, mechanical strength is high and excellent, greatly improves product apparent mass simultaneously, may be directly applied to Stereolithography and prepare baroque decoration and structural member.
Description
Technical field
The present invention relates to Stereolithography technical field, be specifically related to a kind of potassium titanate crystal whisker modified light-sensitive resin and preparation method thereof.
Background technology
Photocuring is with monomer, oligomer or prepolymer as base material, at laser or UV light-induced lower utilize its activation energy to be broken by the C-C key in base material, generates free radical, solidifies rapidly further, complete Light Curing under the effect of initiator and catalyst.Utilizing the regulation of bench height in the curing process, can obtain differently contoured cured layer according to product cross section, be finally completed the forming process of product, this rapid shaping mode is Stereolithography.
The matrix material that Stereolithography is used is usually the photosensitive resin of liquid, is made up of monomer and prepolymer, owing to the limitation of material often leads to that resin curing efficiency is low, molding time is long.The prolongation of molding time can make resin slowly absorb the moisture in air, causes the part generation warpage that product is relatively thin, affects properties of product and regularity.In addition durability and the thermostability of traditional photosensitive resin are poor, it is impossible to meet the product demand that corresponding product improves day by day.
Summary of the invention
It is an object of the invention to provide a kind of potassium titanate crystal whisker modified light-sensitive resin and preparation method thereof.Photosensitive resin prepared by the present invention has the heat resistance that shaping speed is fast, mechanical strength is high and excellent, can greatly improve product apparent mass simultaneously, may be directly applied to Stereolithography and prepare baroque decoration and structural member.
For achieving the above object, the present invention is by the following technical solutions:
A kind of potassium titanate crystal whisker modified light-sensitive resin, is prepared from by weight by following component:
Acrylate 25～45 parts,
Epoxy resin 20～40 parts,
Potassium titanate crystal whisker 5～35 parts,
Coupling agent 0.1～0.5 part,
The steady agent of light 0.1～0.5 part,
Diluent 10～25 parts,
Defoamer 0.5～5 parts,
Levelling agent 0.5～5 parts,
Antioxidant 0.1～0.5 part,
Cationic initiators 1～5 parts,
Free radical type Photoepolymerizationinitiater initiater 1～5 parts.
The excellent preferred version of technique scheme, described acrylate is epoxy monoacrylate or urethane acrylate；Described epoxy resin is novolac epoxy resin or bisphenol A epoxide resin.
Described potassium titanate crystal whisker is two potassium titanate crystal whiskers or Potassium Tetratitanate Whisker, a length of 5～20 μm.
Described coupling agent is gamma-aminopropyl-triethoxy-silane or γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane.
The steady agent of described light is 2,4-benzophenonedicarboxylic acid or chlorination benzotriazole.
Described diluent is glycidyl methacrylate or tripropyleneglycol diglycidyl ether；Described defoamer is dimethyl polysiloxane or ethylene oxide propylene oxide copolyether.
Described levelling agent is preferably organosilicon-epoxide ethane copolymer or organosilicon-epoxide propane copolymer.
Described antioxidant is four (3,5-di-t-butyl-4-hydroxyl) benzenpropanoic acid pentaerythritol esters or three (2,4-di-t-butyl) phenyl-phosphite.
Described cationic initiators is diphenyl iodnium or diaryl sulfonium salt；Described free radical type Photoepolymerizationinitiater initiater is benzophenone or chlorinated diphenyl ketone.
Another goal of the invention of the present invention is to provide the preparation method of above-mentioned potassium titanate crystal whisker modified light-sensitive resin, comprises the following steps:
(1) equipped with in the glass there-necked flask of agitator and condensing tube, it is sequentially added into acrylate, epoxy resin, potassium titanate crystal whisker, coupling agent, the steady agent of light, diluent, defoamer, levelling agent, antioxidant, cationic initiators and free radical type Photoepolymerizationinitiater initiater by proportioning；
(2) above-mentioned mixed liquor is warming up to 50 DEG C～80 DEG C, is stirred about 15min～30min with agitator, obtain faint yellow homogeneous liquid, i.e. prepare a kind of potassium titanate crystal whisker modified light-sensitive resin.
The present invention uses equipped with the glass there-necked flask of agitator and condensing tube as preparing container, has simplified preparation process, and makes to prepare complete.Wherein condensing tube is to condense followed by the volatile substances of the molecular weight produced in thermal process and reflux, and promotes reaction and avoids entering generation pollution in air.
The employing potassium titanate crystal whisker of novelty of the present invention be modified filler, acrylate and epoxy resin be polymer matrix to prepare photosensitive resin, it has the advantages that
1, the introducing of potassium titanate crystal whisker reduces the consumption of epoxy resin, can become the launch position of resin solidification, play the effect of rivet, and then product shaping speed is greatly improved in Light Curing；
2, potassium titanate crystal whisker is to be currently known the one that intensity in fiber is the highest, and its mechanical property nearly reaches the rank of interatomic force, carrys out modified light-sensitive resin with it and can improve the mechanical strength of photosensitive resin；Potassium titanate crystal whisker also acts as filling effect simultaneously, thus reduces the shrinkage factor of material molding, improves dimensional stability；
3, potassium titanate crystal whisker has high infrared reflection and low thermal conductivity, himself has the heat-resisting quantity of excellence, and at high temperature conduction of heat is low, can significantly improve the thermostability of modified light-sensitive resin material.
4, the product apparent mass after present invention potassium titanate crystal whisker modified light-sensitive resin is increased dramatically, and may be directly applied to Stereolithography and prepares baroque decoration and structural member.
The features such as the thermostability that shaping speed is fast so photosensitive resin prepared by the present invention has, mechanical strength is high and excellent, greatly improve product apparent mass simultaneously, may be directly applied to Stereolithography and prepare baroque decoration and structural member.
Specific implementation method
Below in conjunction with instantiation, present invention is further detailed; but described embodiment is not the simple restriction to true spirit, any all should belong to scope of the present invention based on the simple change done by true spirit or equivalent within.
If no special instructions, described in each example, number is weight portion.
The specific embodiment of the present invention is as follows:
Embodiment
1
(1) raw material it is equipped with in the following proportions:
Epoxy monoacrylate 25 parts,
Novolac epoxy resin 40 parts,
Two potassium titanate crystal whiskers 5 parts,
Coupling agent gamma-aminopropyl-triethoxy-silane 0.1 part,
The steady agent of light 2,4-benzophenonedicarboxylic acid 0.1 part,
Diluent glycidyl methacrylate 10 parts,
Defoamer dimethyl polysiloxane 0.5 part,
Levelling agent organosilicon-epoxide ethane copolymer 0.5 part,
Antioxidant four (3,5-di-t-butyl-4-hydroxyl) benzenpropanoic acid pentaerythritol ester 0.1 part,
Cationic initiators diphenyl iodnium 1 part,
Free radical type Photoepolymerizationinitiater initiater benzophenone 1 part.
(2) equipped with in the glass there-necked flask of agitator and condensing tube, it is sequentially added into acrylate, epoxy resin, potassium titanate crystal whisker, coupling agent, the steady agent of light, diluent, defoamer, levelling agent, antioxidant, cationic initiators and free radical type Photoepolymerizationinitiater initiater by proportioning；
(3) above-mentioned mixed liquor is warming up to 50 DEG C, is stirred about 15min with agitator, obtain faint yellow homogeneous liquid, i.e. prepare a kind of potassium titanate crystal whisker modified light-sensitive resin.
Obtained modified light-sensitive resin test performance after Stereolithography is shown in Table one.
Embodiment
2
(1) raw material it is equipped with in the following proportions:
Epoxy monoacrylate 30 parts,
Novolac epoxy resin 35 parts,
Two potassium titanate crystal whiskers 15 parts,
Coupling agent gamma-aminopropyl-triethoxy-silane 0.2 part,
The steady agent of light 2,4-benzophenonedicarboxylic acid 0.2 part,
Diluent glycidyl methacrylate 15 parts,
Defoamer dimethyl polysiloxane 1.5 parts,
Levelling agent organosilicon-epoxide ethane copolymer 1 .5 part,
Antioxidant four (3,5-di-t-butyl-4-hydroxyl) benzenpropanoic acid pentaerythritol ester 0.2 part,
Cationic initiators diphenyl iodnium 2 parts,
Free radical type Photoepolymerizationinitiater initiater benzophenone 2 parts.
(2) equipped with in the glass there-necked flask of agitator and condensing tube, it is sequentially added into acrylate, epoxy resin, potassium titanate crystal whisker, coupling agent, the steady agent of light, diluent, defoamer, levelling agent, antioxidant, cationic initiators and free radical type Photoepolymerizationinitiater initiater by proportioning；
(3) above-mentioned mixed liquor is warming up to 60 DEG C, is stirred about 20min with agitator, obtain faint yellow homogeneous liquid, i.e. prepare a kind of potassium titanate crystal whisker modified light-sensitive resin.
Obtained modified light-sensitive resin test performance after Stereolithography is shown in Table one.
Embodiment
3
(1) raw material it is equipped with in the following proportions:
Epoxy monoacrylate 35 parts,
Novolac epoxy resin 30 parts,
Two potassium titanate crystal whiskers 20 parts,
Coupling agent gamma-aminopropyl-triethoxy-silane 0.3 part,
The steady agent of light 2,4-benzophenonedicarboxylic acid 0.3 part,
Diluent glycidyl methacrylate 15 parts,
Defoamer dimethyl polysiloxane 2.5 parts,
Levelling agent organosilicon-epoxide ethane copolymer 2.5 parts,
Antioxidant four (3,5-di-t-butyl-4-hydroxyl) benzenpropanoic acid pentaerythritol ester 0.3 part,
Cationic initiators diphenyl iodnium 3 parts,
Free radical type Photoepolymerizationinitiater initiater benzophenone 3 parts.
(2) equipped with in the glass there-necked flask of agitator and condensing tube, it is sequentially added into acrylate, epoxy resin, potassium titanate crystal whisker, coupling agent, the steady agent of light, diluent, defoamer, levelling agent, antioxidant, cationic initiators and free radical type Photoepolymerizationinitiater initiater by proportioning；
(3) above-mentioned mixed liquor is warming up to 65 DEG C, is stirred about 20min with agitator, obtain faint yellow homogeneous liquid, i.e. prepare a kind of potassium titanate crystal whisker modified light-sensitive resin.
Obtained modified light-sensitive resin test performance after Stereolithography is shown in Table one.
Embodiment
4
(1) raw material it is equipped with in the following proportions:
Epoxy monoacrylate 40 parts,
Novolac epoxy resin 25 parts,
Two potassium titanate crystal whiskers 25 parts,
Coupling agent gamma-aminopropyl-triethoxy-silane 0.4 part,
The steady agent of light 2,4-benzophenonedicarboxylic acid 0.4 part,
Diluent glycidyl methacrylate 20 parts,
Defoamer dimethyl polysiloxane 3.5 parts,
Levelling agent organosilicon-epoxide ethane copolymer 3.5 parts,
Antioxidant four (3,5-di-t-butyl-4-hydroxyl) benzenpropanoic acid pentaerythritol ester 0.4 part,
Cationic initiators diphenyl iodnium 4 parts,
Free radical type Photoepolymerizationinitiater initiater benzophenone 4 parts.
(2) equipped with in the glass there-necked flask of agitator and condensing tube, it is sequentially added into acrylate, epoxy resin, potassium titanate crystal whisker, coupling agent, the steady agent of light, diluent, defoamer, levelling agent, antioxidant, cationic initiators and free radical type Photoepolymerizationinitiater initiater by proportioning；
(3) above-mentioned mixed liquor is warming up to 70 DEG C, is stirred about 20min with agitator, obtain faint yellow homogeneous liquid, i.e. prepare a kind of potassium titanate crystal whisker modified light-sensitive resin.
Obtained modified light-sensitive resin test performance after Stereolithography is shown in Table one.
Embodiment
5
(1) raw material it is equipped with in the following proportions:
Epoxy monoacrylate 45 parts,
Novolac epoxy resin 20 parts,
Two potassium titanate crystal whiskers 35 parts,
Coupling agent gamma-aminopropyl-triethoxy-silane 0.5 part,
The steady agent of light 2,4-benzophenonedicarboxylic acid 0.5 part,
Diluent glycidyl methacrylate 25 parts,
Defoamer dimethyl polysiloxane 5 parts,
Levelling agent organosilicon-epoxide ethane copolymer 5 parts,
Antioxidant four (3,5-di-t-butyl-4-hydroxyl) benzenpropanoic acid pentaerythritol ester 0.5 part,
Cationic initiators diphenyl iodnium 5 parts,
Free radical type Photoepolymerizationinitiater initiater benzophenone 5 parts.
(2) equipped with in the glass there-necked flask of agitator and condensing tube, it is sequentially added into acrylate, epoxy resin, potassium titanate crystal whisker, coupling agent, the steady agent of light, diluent, defoamer, levelling agent, antioxidant, cationic initiators and free radical type Photoepolymerizationinitiater initiater by proportioning；
(3) above-mentioned mixed liquor is warming up to 80 DEG C, is stirred about 30min with agitator, obtain faint yellow homogeneous liquid, i.e. prepare a kind of potassium titanate crystal whisker modified light-sensitive resin.
Obtained modified light-sensitive resin test performance after Stereolithography is shown in Table one.
Embodiment
6
(1) raw material it is equipped with in the following proportions:
Urethane acrylate 25 parts,
Bisphenol A epoxide resin 40 parts,
Potassium Tetratitanate Whisker 5 parts,
Coupling agent γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane 0.1 part,
Light steady agent chlorination benzotriazole 0.1 part,
Diluent tripropyleneglycol diglycidyl ether 10 parts,
Defoamer ethylene oxide propylene oxide copolyether 0.5 part,
Levelling agent organosilicon-epoxide propane copolymer 0.5 part,
Antioxidant three (2,4-di-t-butyl) phenyl-phosphite 0.1 part,
Cationic initiators diaryl sulfonium salt 1 part,
Free radical type Photoepolymerizationinitiater initiater chlorinated diphenyl ketone 1 part.
(2) equipped with in the glass there-necked flask of agitator and condensing tube, it is sequentially added into acrylate, epoxy resin, potassium titanate crystal whisker, coupling agent, the steady agent of light, diluent, defoamer, levelling agent, antioxidant, cationic initiators and free radical type Photoepolymerizationinitiater initiater by proportioning；
(3) above-mentioned mixed liquor is warming up to 50 DEG C, is stirred about 15min with agitator, obtain faint yellow homogeneous liquid, i.e. prepare a kind of potassium titanate crystal whisker modified light-sensitive resin.
Obtained modified light-sensitive resin test performance after Stereolithography is shown in Table one.
Embodiment
7
(1) raw material it is equipped with in the following proportions:
Urethane acrylate 30 parts,
Bisphenol A epoxide resin 35 parts,
Potassium Tetratitanate Whisker 15 parts,
Coupling agent γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane 0.2 part,
Light steady agent chlorination benzotriazole 0.2 part,
Diluent tripropyleneglycol diglycidyl ether 15 parts,
Defoamer ethylene oxide propylene oxide copolyether 1.5 parts,
Levelling agent organosilicon-epoxide propane copolymer 1 .5 part,
Antioxidant three (2,4-di-t-butyl) phenyl-phosphite 0.2 part,
Cationic initiators diaryl sulfonium salt 2 parts,
Free radical type Photoepolymerizationinitiater initiater chlorinated diphenyl ketone 2 parts.
(2) equipped with in the glass there-necked flask of agitator and condensing tube, it is sequentially added into acrylate, epoxy resin, potassium titanate crystal whisker, coupling agent, the steady agent of light, diluent, defoamer, levelling agent, antioxidant, cationic initiators and free radical type Photoepolymerizationinitiater initiater by proportioning；
(3) above-mentioned mixed liquor is warming up to 60 DEG C, is stirred about 20min with agitator, obtain faint yellow homogeneous liquid, i.e. prepare a kind of potassium titanate crystal whisker modified light-sensitive resin.
Obtained modified light-sensitive resin test performance after Stereolithography is shown in Table one.
Embodiment
8
(1) raw material it is equipped with in the following proportions:
Urethane acrylate 35 parts,
Bisphenol A epoxide resin 30 parts,
Potassium Tetratitanate Whisker 20 parts,
Coupling agent γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane 0.3 part,
Light steady agent chlorination benzotriazole 0.3 part,
Diluent tripropyleneglycol diglycidyl ether 15 parts,
Defoamer ethylene oxide propylene oxide copolyether 2.5 parts,
Levelling agent organosilicon-epoxide propane copolymer 2.5 parts,
Antioxidant three (2,4-di-t-butyl) phenyl-phosphite 0.3 part,
Cationic initiators diaryl sulfonium salt 3 parts,
Free radical type Photoepolymerizationinitiater initiater chlorinated diphenyl ketone 3 parts.
(2) equipped with in the glass there-necked flask of agitator and condensing tube, it is sequentially added into acrylate, epoxy resin, potassium titanate crystal whisker, coupling agent, the steady agent of light, diluent, defoamer, levelling agent, antioxidant, cationic initiators and free radical type Photoepolymerizationinitiater initiater by proportioning；
(3) above-mentioned mixed liquor is warming up to 65 DEG C, is stirred about 20min with agitator, obtain faint yellow homogeneous liquid, i.e. prepare a kind of potassium titanate crystal whisker modified light-sensitive resin.
Obtained modified light-sensitive resin test performance after Stereolithography is shown in Table one.
Embodiment
9
(1) raw material it is equipped with in the following proportions:
Urethane acrylate 40 parts,
Bisphenol A epoxide resin 25 parts,
Potassium Tetratitanate Whisker 25 parts,
Coupling agent γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane 0.4 part,
Light steady agent chlorination benzotriazole 0.4 part,
Diluent tripropyleneglycol diglycidyl ether 20 parts,
Defoamer ethylene oxide propylene oxide copolyether 3.5 parts,
Levelling agent organosilicon-epoxide propane copolymer 3.5 parts,
Antioxidant three (2,4-di-t-butyl) phenyl-phosphite 0.4 part,
Cationic initiators diaryl sulfonium salt 4 parts,
Free radical type Photoepolymerizationinitiater initiater chlorinated diphenyl ketone 4 parts.
(2) equipped with in the glass there-necked flask of agitator and condensing tube, it is sequentially added into acrylate, epoxy resin, potassium titanate crystal whisker, coupling agent, the steady agent of light, diluent, defoamer, levelling agent, antioxidant, cationic initiators and free radical type Photoepolymerizationinitiater initiater by proportioning；
(3) above-mentioned mixed liquor is warming up to 70 DEG C, is stirred about 20min with agitator, obtain faint yellow homogeneous liquid, i.e. prepare a kind of potassium titanate crystal whisker modified light-sensitive resin.
Obtained modified light-sensitive resin test performance after Stereolithography is shown in Table one.
Embodiment
10
(1) raw material it is equipped with in the following proportions:
Urethane acrylate 45 parts,
Bisphenol A epoxide resin 20 parts,
Potassium Tetratitanate Whisker 35 parts,
Coupling agent γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane 0.5 part,
Light steady agent chlorination benzotriazole 0.5 part,
Diluent tripropyleneglycol diglycidyl ether 25 parts,
Defoamer ethylene oxide propylene oxide copolyether 5 parts,
Levelling agent organosilicon-epoxide propane copolymer 5 parts,
Antioxidant three (2,4-di-t-butyl) phenyl-phosphite 0.5 part,
Cationic initiators diaryl sulfonium salt 5 parts,
Free radical type Photoepolymerizationinitiater initiater chlorinated diphenyl ketone 5 parts.
(2) equipped with in the glass there-necked flask of agitator and condensing tube, it is sequentially added into acrylate, epoxy resin, potassium titanate crystal whisker, coupling agent, the steady agent of light, diluent, defoamer, levelling agent, antioxidant, cationic initiators and free radical type Photoepolymerizationinitiater initiater by proportioning；
(3) above-mentioned mixed liquor is warming up to 80 DEG C, is stirred about 30min with agitator, obtain faint yellow homogeneous liquid, i.e. prepare a kind of potassium titanate crystal whisker modified light-sensitive resin.
Obtained modified light-sensitive resin test performance after Stereolithography is shown in Table one.
To according to the facts
Execute
Example 1
(1) raw material it is equipped with in the following proportions:
Epoxy monoacrylate 25 parts,
Novolac epoxy resin 40 parts,
Diluent glycidyl methacrylate 10 parts,
Defoamer dimethyl polysiloxane 0.5 part,
Levelling agent organosilicon-epoxide ethane copolymer 0.5 part,
Cationic initiators diphenyl iodnium 1 part,
Free radical type Photoepolymerizationinitiater initiater benzophenone 1 part.
(2) equipped with in the glass there-necked flask of agitator and condensing tube, it is sequentially added into acrylate, epoxy resin, diluent, defoamer, levelling agent, cationic initiators and free radical type Photoepolymerizationinitiater initiater by proportioning；
(3) above-mentioned mixed liquor is warming up to 50 DEG C, is stirred about 15min with agitator, obtain faint yellow homogeneous liquid, i.e. prepare photosensitive resin.
By the photosensitive resin prepared by above-described embodiment 1-10 and comparative examples 1 after Stereolithography, 23 DEG C, under 50% humidity environment after regulation, be respectively adopted ASTM
D790, ASTM D6110 and ASTM D648 detection bending strength of product, impact strength and heat distortion temperature, and record product shaping speed.Test performance is shown in Table one.
Table one:
| Performance | Shaping speed (cm3/h) | Bending strength (MPa) | Impact strength (J/m) | Heat distortion temperature (0.45MPa 3.2mm DEG C) |
| Embodiment 1 | 25 | 56 | 35 | 70 |
| Embodiment 2 | 27 | 61 | 37 | 74 |
| Embodiment 3 | 30 | 67 | 40 | 81 |
| Embodiment 4 | 32 | 71 | 43 | 89 |
| Embodiment 5 | 34 | 75 | 46 | 98 |
| Embodiment 6 | 26 | 55 | 36 | 69 |
| Embodiment 7 | 28 | 59 | 38 | 77 |
| Embodiment 8 | 30 | 66 | 41 | 85 |
| Embodiment 9 | 31 | 70 | 43 | 91 |
| Embodiment 10 | 33 | 73 | 44 | 96 |
| Comparative examples 1 | 20 | 45 | 30 | 55 |
A kind of potassium titanate crystal whisker modified light-sensitive resin prepared by the present invention, has the features such as the thermostability that shaping speed is fast, mechanical strength is high and excellent, greatly improves product apparent mass simultaneously.By data in table one, the modified light-sensitive resin of embodiment 1-10 prepared by the present invention, its shaping speed is 34cm the soonest3/ h, compared with the most unmodified photosensitive resin of comparative examples 1() improve 70%；Bending strength is 75MPa to the maximum, improves 67% more before modified；Impact strength is 46J/m to the maximum, improves 53% more before modified；Heat distortion temperature is up to 98 DEG C, improves 78% more before modified.In addition the photosensitive resin that prepared by the present invention has the features such as the thermostability that shaping speed is fast, mechanical strength is high and excellent, greatly improves product apparent mass simultaneously, may be directly applied to Stereolithography and prepare baroque decoration and structural member.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and apply the present invention.These embodiments obviously easily can be made various amendment by person skilled in the art, and General Principle described herein is applied in other embodiments without through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art should be within protection scope of the present invention according to the announcement of the present invention, the improvement made without departing from scope and amendment.
Claims (10)
1. a potassium titanate crystal whisker modified light-sensitive resin, it is characterised in that: it is prepared from by weight by following component:
Acrylate 25～45 parts,
Epoxy resin 20～40 parts,
Potassium titanate crystal whisker 5～35 parts,
Coupling agent 0.1～0.5 part,
The steady agent of light 0.1～0.5 part,
Diluent 10～25 parts,
Defoamer 0.5～5 parts,
Levelling agent 0.5～5 parts,
Antioxidant 0.1～0.5 part,
Cationic initiators 1～5 parts,
Free radical type Photoepolymerizationinitiater initiater 1～5 parts.
A kind of potassium titanate crystal whisker modified light-sensitive resin the most according to claim 1, it is characterised in that: described acrylate is epoxy monoacrylate or urethane acrylate；
Described epoxy resin is novolac epoxy resin or bisphenol A epoxide resin.
A kind of potassium titanate crystal whisker modified light-sensitive resin the most according to claim 1, it is characterised in that: described potassium titanate crystal whisker is two potassium titanate crystal whiskers or Potassium Tetratitanate Whisker, its a length of 5～20 μm.
A kind of potassium titanate crystal whisker modified light-sensitive resin the most according to claim 1, it is characterised in that: described coupling agent is gamma-aminopropyl-triethoxy-silane or γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane.
A kind of potassium titanate crystal whisker modified light-sensitive resin the most according to claim 1, it is characterised in that: the steady agent of described light is 2,4-benzophenonedicarboxylic acid or chlorination benzotriazole.
A kind of potassium titanate crystal whisker modified light-sensitive resin the most according to claim 1, it is characterised in that: described diluent is glycidyl methacrylate or tripropyleneglycol diglycidyl ether；
Described defoamer is dimethyl polysiloxane or ethylene oxide propylene oxide copolyether.
A kind of potassium titanate crystal whisker modified light-sensitive resin the most according to claim 1, it is characterised in that: described levelling agent is organosilicon-epoxide ethane copolymer or organosilicon-epoxide propane copolymer.
A kind of potassium titanate crystal whisker modified light-sensitive resin the most according to claim 1, it is characterised in that: described antioxidant is four (3,5-di-t-butyl-4-hydroxyl) benzenpropanoic acid pentaerythritol esters or three (2,4-di-t-butyl) phenyl-phosphite.
A kind of potassium titanate crystal whisker modified light-sensitive resin the most according to claim 1, it is characterised in that: described cationic initiators is diphenyl iodnium or diaryl sulfonium salt；
Described free radical type Photoepolymerizationinitiater initiater is benzophenone or chlorinated diphenyl ketone.
10. the preparation method of a potassium titanate crystal whisker modified light-sensitive resin as claimed in claim 1, it is characterised in that: comprise the following steps:
(1) equipped with in the glass there-necked flask of agitator and condensing tube, it is sequentially added into acrylate, epoxy resin, potassium titanate crystal whisker, coupling agent, the steady agent of light, diluent, defoamer, levelling agent, antioxidant, cationic initiators and free radical type Photoepolymerizationinitiater initiater by proportioning；
(2) it is warming up to 50～80 DEG C, is stirred 15～30min with agitator, obtain faint yellow homogeneous liquid, i.e. prepare potassium titanate crystal whisker modified light-sensitive resin.
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| CN107474605A (en) * | 2017-08-18 | 2017-12-15 | 华南师范大学 | A kind of optical fiber doping coating layer material and preparation method thereof |
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