CN109810285A - Spectral selection heat-insulating slurry and preparation method thereof for the heat-insulated master batch of PC - Google Patents
Spectral selection heat-insulating slurry and preparation method thereof for the heat-insulated master batch of PC Download PDFInfo
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Abstract
The present invention relates to heat-insulating slurry field, in particular to a kind of spectral selection heat-insulating slurry and preparation method thereof for the heat-insulated master batch of PC.By dosing dispersing agent, so that wolframic acid caesium nano-powder is evenly dispersed in solvent, prevent wolframic acid caesium nano-powder from agglomeration occurs, so that the performance stable homogeneous of heat-insulating slurry.Nanometer wolframic acid caesium has optimal absorption ability near infrared region (wavelength 800-1100nm), have simultaneously at visible light region (wavelength 380-780nm) and relatively penetrate characteristic by force, and there is stronger shielding character at UV light region (wavelength 200-380nm).Wolframic acid caesium nano-powder can shield most ultraviolet lights, still can absorb small part ultraviolet light.By the addition of stabilizer, it can be improved heat-insulating slurry to the absorptivity of ultraviolet light, thus the absorbed ultraviolet light of small part, the ultraviolet light across nano pulp can be reduced to the greatest extent by stable absorption.To further improve the performance of the antiultraviolet of spectral selection heat-insulating slurry.
Description
Technical field
The present invention relates to heat-insulating slurry fields, more specifically, it relates to a kind of optical electivity for the heat-insulated master batch of PC
Property heat-insulating slurry and preparation method thereof.
Background technique
With the fast development that science technology and society produces, the energy and environment become the whole society increasingly attractes attention two and ask greatly
Topic, to propose requirements at the higher level for energy conservation and environmental protection.In the prior art, PC is since it is with high-intensitive and coefficient of elasticity, height
The good characteristics such as impact strength, fatigue durability be strong, the every field being widely used in various industrial productions.
In the Chinese invention patent that Authorization Notice No. is CN101219859B, a kind of nano-oiliness ATO heat-insulating is disclosed
Slurry and preparation method and applications, based on parts by weight, which is received the slurry by 67~90 parts of alcohols solvents, 10~30 parts
Rice ATO powder and the dispersing agent composition for accounting for ATO powder weight 2~10%.When preparation, by nano ATO powder, alcohols solvent and point
Powder carried out under the action of stirring or ultrasonic wave it is pre-dispersed, then to this predispersion carry out grinding distribution, be made oiliness ATO
Heat-insulating slurry.The transparent inorganic silicon insulating moulding coating of nano-oiliness ATO heat-insulating slurry preparation is by transparent inorganic silicon coating and nanometer
The weight ratio of oiliness ATO heat-insulating slurry composition, transparent inorganic silicon coating and nano-oiliness ATO heat-insulating slurry is 3: 1~1: 1.This
The coating of invention preparation has preferable heat insulation, higher hardness and the transparency, good weatherability, and has certain fire prevention
Effect.
However, such nano-oiliness ATO heat-insulating slurry is suitable for being coated on various glass, so that it is good to have glass
Good heat-proof quality, is made heat-protecting glass.And since the physicochemical property of PC and glass all has very big gap, can not directly by
Such heat-insulating slurry is used for PC, thus it is necessary to research and develop a kind of heat-insulating slurry dedicated for the heat-insulated master batch of PC.
Summary of the invention
In view of the deficienciess of the prior art, the first purpose of this invention be to provide it is a kind of for the heat-insulated master batch of PC
Spectral selection heat-insulating slurry, having good can be suitable for PC, and PC is made to have the advantages that spectral selection and thermal insulation.
Second object of the present invention is to provide a kind of system of spectral selection heat-insulating slurry for the heat-insulated master batch of PC
Preparation Method has the advantages that the spectral selection heat-insulating slurry for the heat-insulated master batch of PC can be prepared.
To realize above-mentioned first purpose, the present invention provides the following technical scheme that a kind of light for the heat-insulated master batch of PC
Spectral selectivity heat-insulating slurry, which is characterized in that the raw material comprising following parts by weight is made:
50-60 parts of solvent；
15-20 parts of wolframic acid caesium nano-powder；
12-18 parts of dispersing agent；
2-8 parts of stabilizer.
By using above-mentioned technical proposal, due to the solvent using 50-60 parts, 15-20 parts of wolframic acid caesium nano-powder,
12-18 parts of dispersing agent, therefore 2-8 parts of stabilizer obtains and is suitable for PC, and PC is made to have spectral selection and thermal insulation
Effect.
By dosing dispersing agent, so that wolframic acid caesium nano-powder is evenly dispersed in solvent, wolframic acid caesium nano-powder is prevented
Agglomeration occurs, so that the performance stable homogeneous of heat-insulating slurry.Nanometer wolframic acid caesium is near infrared region (wavelength 800-
1100nm) there is optimal absorption ability, while having at visible light region (wavelength 380-780nm) and relatively penetrating characteristic by force, and
There is stronger shielding character at UV light region (wavelength 200-380nm).
Wolframic acid caesium nano-powder can shield most ultraviolet lights, still can absorb small part ultraviolet light.It is logical
The addition for crossing stabilizer can be improved heat-insulating slurry to the absorptivity of ultraviolet light, thus the absorbed ultraviolet light of small part, can
By stable absorption, and reduce the ultraviolet light across nano pulp to the greatest extent.To further improve the heat-insulated slurry of spectral selection
The performance of the antiultraviolet of material.
Further, the solvent is white spirit.
Further, the white spirit is 120# white spirit.
By using above-mentioned technical proposal, white spirit has fat-solubility, enables to wolframic acid caesium nano-powder good
Dispersion.For white appliances by being divided into 6# white spirit and 120# white spirit, 120# white spirit has slow curing, thus is made using 120# white spirit
For solvent, slurry is not easy to dry up, and extends the validity period after slurry begins to use.
Further, the granularity of the wolframic acid caesium nano-powder is 30-50nm.
By using above-mentioned technical proposal, when the granularity of wolframic acid caesium nano-powder particle is 30-50nm, the absorption of slurry
The ability of infrared ray and isolation ultraviolet light is stronger.
Further, the dispersing agent is 700 type dispersing agent of Digao.
By using above-mentioned technical proposal, 700 type dispersing agent of Digao is suitable for being co-mulled and made into, and has for wolframic acid caesium nano-powder
There is deflocculation, mobility of the wolframic acid caesium nano particle in solvent can be improved, while slurry being prevented to be condensed into blocks.
Further, the stabilizer includes hindered amine type light stabilizer.
By using above-mentioned technical proposal, hindered amine type light stabilizer by capture free radical, hydroperoxide decomposition and
The number of ways such as the energy of excited state molecule are transmitted to inhibit photooxidation droping to react.Meanwhile hindered amine light stabilizer is colourless
Product, thus the color that will not influence PC itself.
Further, the stabilizer further includes ultraviolet absorbing agent.
By using above-mentioned technical proposal, ultraviolet absorbing agent can carry out good absorption to ultraviolet light, while have good
Good thermal stability, can be cooperated with wolframic acid caesium nano-powder, reduce the ultraviolet light across nano pulp to the greatest extent.
Further, the ultraviolet absorbing agent is Benzotriazole Ultraviolet Stabilizer.
By using above-mentioned technical proposal, Benzotriazole Ultraviolet Stabilizer has with hindered amine type light stabilizer to be cooperateed with
Effect, to significantly improve the photostability of slurry.
To realize above-mentioned second purpose, the present invention provides the following technical scheme that
A kind of preparation method of the spectral selection heat-insulating slurry for the heat-insulated master batch of PC, specifically includes the following steps:
S1, prepare solvent, wolframic acid caesium nano-powder, dispersing agent and stabilizer according to the ratio；
S2, white spirit and nanometer wolframic acid caesium powder are added in blender and are quickly stirred under conditions of 3000r/min
20min；
S3, to S2 after the mixture of dispersing agent and white spirit and nanometer wolframic acid caesium powder is added in nano-milled equipment
50-70h is ground, stabilizer is added and continues to grind 7-12h.
By using above-mentioned technical proposal, by S1, to prepare various raw materials, it is ready for the mixing of various raw materials；
By S2, white spirit is uniformly mixed in blender with nanometer wolframic acid caesium powder, makes nanometer wolframic acid caesium in white spirit
Interior preliminary dispersion；By S3, under the action of dispersing agent, nanometer wolframic acid caesium powder can be uniformly dispersed in white spirit,
And under the action of stabilizer, the anti-ultraviolet ability of slurry is promoted.
Further, the abrasive media of the nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
By using above-mentioned technical proposal, make abrasive media using the zirconium silicate of 0.2mm, in the ratio suitable for the application
The proportion of the lower slurry of example.
In conclusion the invention has the following advantages:
1, wolframic acid caesium nano-powder is evenly dispersed in solvent in the application, prevents wolframic acid caesium nano-powder from agglomeration occurs,
So that the performance stable homogeneous of heat-insulating slurry.Nanometer wolframic acid caesium has most near infrared region (wavelength 800-1100nm)
Good absorbability, while having at visible light region (wavelength 380-780nm) and relatively penetrating characteristic by force, and in UV light region
(wavelength 200-380nm) has stronger shielding character.
2, wolframic acid caesium nano-powder can shield most ultraviolet lights in the application, still can absorb small part
Ultraviolet light.By the addition of stabilizer, heat-insulating slurry can be improved to the absorptivity of ultraviolet light, thus the absorbed purple of small part
Outside line can reduce the ultraviolet light across nano pulp to the greatest extent by stable absorption.To further improve optical electivity
The performance of the antiultraviolet of property heat-insulating slurry.
Detailed description of the invention
Fig. 1 is the preparation method artwork of spectral selection heat-insulating slurry.
Specific embodiment
Below in conjunction with drawings and examples, invention is further described in detail.
One, raw material sources and device model in the application:
White spirit be Maoming City be surrounded by sea Fine Chemical Co., Ltd sale 120# white spirit；
Wolframic acid caesium nano-powder is the wolframic acid caesium nano-powder of Hangzhou Ji Kang new material Co., Ltd sale；
Dispersing agent is the 700 type dispersing agent of Digao of Dongguan Hao Xing Chemical Co., Ltd. production；
Hindered amine type light stabilizer is the EV-83 type light stabilizer of Guangzhou Yi Cai trade Co., Ltd purchase；
Benzotriazole Ultraviolet Stabilizer is the EV-40 type ultraviolet absorbing agent of Guangzhou Yi Cai trade Co., Ltd purchase；
Blender uses the GF1100 high speed disperser of Shanghai small and special electric machine Co., Ltd production；
Nano-milled equipment recalls the horizontal nanometer sand mill of INT-5 type of rich mechanical equipment factory production using Dongguan City high hill mountain；
The Bayer Bitterfeld GmbH injection grade PC particle that the trade mark of the purchase of PC master batch from the outstanding gloomy plasticizing Co., Ltd in Yuyao City is 2405.
Two, a kind of spectral selection heat-insulating slurry and its preparation process for the heat-insulated master batch of PC:
With reference to attached drawing 1,
Embodiment 1:
For the spectral selection heat-insulating slurry of the heat-insulated master batch of PC, the raw material comprising following parts by weight is made:
50 parts of solvent；
15 parts of wolframic acid caesium nano-powder；
12 parts of dispersing agent；
2 parts of stabilizer.
Wherein, solvent is white spirit, and is 120# white spirit；
The granularity of wolframic acid caesium nano-powder is 30nm；
Dispersing agent is 700 type dispersing agent of Digao；
Stabilizer includes hindered amine type light stabilizer, uses EV-83 type light stabilizer in the application；
Stabilizer further includes ultraviolet absorbing agent, and ultraviolet absorbing agent is Benzotriazole Ultraviolet Stabilizer, in the application
Using EV-40 type ultraviolet absorbing agent；
The preparation process of spectral selection heat-insulating slurry for the heat-insulated master batch of PC:
S1, prepare solvent, wolframic acid caesium nano-powder, dispersing agent and stabilizer according to the ratio；
S2, white spirit and nanometer wolframic acid caesium powder are added in blender and are quickly stirred under conditions of 3000r/min
20min；
S3, to S2 after the mixture of dispersing agent and white spirit and nanometer wolframic acid caesium powder is added in nano-milled equipment
50h is ground, stabilizer is added and continues to grind 7h.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Embodiment 2:
For the spectral selection heat-insulating slurry of the heat-insulated master batch of PC, the raw material comprising following parts by weight is made:
55 parts of solvent；
17 parts of wolframic acid caesium nano-powder；
14 parts of dispersing agent；
3 parts of stabilizer.
Wherein, solvent is white spirit, and is 120# white spirit；
The granularity of wolframic acid caesium nano-powder is 35nm；
Dispersing agent is 700 type dispersing agent of Digao；
Stabilizer includes hindered amine type light stabilizer, uses EV-83 type light stabilizer in the application；
Stabilizer further includes ultraviolet absorbing agent, and ultraviolet absorbing agent is Benzotriazole Ultraviolet Stabilizer, in the application
Using EV-40 type ultraviolet absorbing agent；
The preparation process of spectral selection heat-insulating slurry for the heat-insulated master batch of PC:
S1, prepare solvent, wolframic acid caesium nano-powder, dispersing agent and stabilizer according to the ratio；
S2, white spirit and nanometer wolframic acid caesium powder are added in blender and are quickly stirred under conditions of 3000r/min
20min；
S3, to S2 after the mixture of dispersing agent and white spirit and nanometer wolframic acid caesium powder is added in nano-milled equipment
55h is ground, stabilizer is added and continues to grind 9h.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Embodiment 3:
For the spectral selection heat-insulating slurry of the heat-insulated master batch of PC, the raw material comprising following parts by weight is made:
55 parts of solvent；
17 parts of wolframic acid caesium nano-powder；
15 parts of dispersing agent；
5 parts of stabilizer.
Wherein, solvent is white spirit, and is 120# white spirit；
The granularity of wolframic acid caesium nano-powder is 40nm；
Dispersing agent is 700 type dispersing agent of Digao；
Stabilizer includes hindered amine type light stabilizer, uses EV-83 type light stabilizer in the application；
Stabilizer further includes ultraviolet absorbing agent, and ultraviolet absorbing agent is Benzotriazole Ultraviolet Stabilizer, in the application
Using EV-40 type ultraviolet absorbing agent；
The preparation process of spectral selection heat-insulating slurry for the heat-insulated master batch of PC:
S1, prepare solvent, wolframic acid caesium nano-powder, dispersing agent and stabilizer according to the ratio；
S2, white spirit and nanometer wolframic acid caesium powder are added in blender and are quickly stirred under conditions of 3000r/min
20min；
S3, to S2 after the mixture of dispersing agent and white spirit and nanometer wolframic acid caesium powder is added in nano-milled equipment
60h is ground, stabilizer is added and continues to grind 10h.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Embodiment 4:
For the spectral selection heat-insulating slurry of the heat-insulated master batch of PC, the raw material comprising following parts by weight is made:
58 parts of solvent；
18 parts of wolframic acid caesium nano-powder；
16 parts of dispersing agent；
6 parts of stabilizer.
Wherein, solvent is white spirit, and is 120# white spirit；
The granularity of wolframic acid caesium nano-powder is 45nm；
Dispersing agent is 700 type dispersing agent of Digao；
Stabilizer includes hindered amine type light stabilizer, uses EV-83 type light stabilizer in the application；
Stabilizer further includes ultraviolet absorbing agent, and ultraviolet absorbing agent is Benzotriazole Ultraviolet Stabilizer, in the application
Using EV-40 type ultraviolet absorbing agent；
The preparation process of spectral selection heat-insulating slurry for the heat-insulated master batch of PC:
S1, prepare solvent, wolframic acid caesium nano-powder, dispersing agent and stabilizer according to the ratio；
S2, white spirit and nanometer wolframic acid caesium powder are added in blender and are quickly stirred under conditions of 3000r/min
20min；
S3, to S2 after the mixture of dispersing agent and white spirit and nanometer wolframic acid caesium powder is added in nano-milled equipment
65h is ground, stabilizer is added and continues to grind 10h.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Embodiment 5:
For the spectral selection heat-insulating slurry of the heat-insulated master batch of PC, the raw material comprising following parts by weight is made:
60 parts of solvent；
20 parts of wolframic acid caesium nano-powder；
18 parts of dispersing agent；
8 parts of stabilizer.
Wherein, solvent is white spirit, and is 120# white spirit；
The granularity of wolframic acid caesium nano-powder is 50nm；
Dispersing agent is 700 type dispersing agent of Digao；
Stabilizer includes hindered amine type light stabilizer, uses EV-83 type light stabilizer in the application；
Stabilizer further includes ultraviolet absorbing agent, and ultraviolet absorbing agent is Benzotriazole Ultraviolet Stabilizer, in the application
Using EV-40 type ultraviolet absorbing agent；
The preparation process of spectral selection heat-insulating slurry for the heat-insulated master batch of PC:
S1, prepare solvent, wolframic acid caesium nano-powder, dispersing agent and stabilizer according to the ratio；
S2, white spirit and nanometer wolframic acid caesium powder are added in blender and are quickly stirred under conditions of 3000r/min
20min；
S3, to S2 after the mixture of dispersing agent and white spirit and nanometer wolframic acid caesium powder is added in nano-milled equipment
70h is ground, stabilizer is added and continues to grind 12h.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Comparative example 1:
For the spectral selection heat-insulating slurry of the heat-insulated master batch of PC, the raw material comprising following parts by weight is made:
55 parts of solvent；
17 parts of wolframic acid caesium nano-powder；
15 parts of dispersing agent；
Wherein, solvent is white spirit, and is 120# white spirit；
The granularity of wolframic acid caesium nano-powder is 40nm；
Dispersing agent is 700 type dispersing agent of Digao.
The preparation process of spectral selection heat-insulating slurry for the heat-insulated master batch of PC:
S1, prepare solvent, wolframic acid caesium nano-powder, dispersing agent and stabilizer according to the ratio；
S2, white spirit and nanometer wolframic acid caesium powder are added in blender and are quickly stirred under conditions of 3000r/min
20min；
S3, to S2 after the mixture of dispersing agent and white spirit and nanometer wolframic acid caesium powder is added in nano-milled equipment
60h is ground, stabilizer is added and continues to grind 10h.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Comparative example 2:
For the spectral selection heat-insulating slurry of the heat-insulated master batch of PC, the raw material comprising following parts by weight is made:
55 parts of solvent；
17 parts of wolframic acid caesium nano-powder；
15 parts of dispersing agent；
1 part of stabilizer.
Wherein, solvent is white spirit, and is 120# white spirit；
The granularity of wolframic acid caesium nano-powder is 40nm；
Dispersing agent is 700 type dispersing agent of Digao；
Stabilizer includes hindered amine type light stabilizer, uses EV-83 type light stabilizer in the present embodiment；
Stabilizer further includes ultraviolet absorbing agent, and ultraviolet absorbing agent is Benzotriazole Ultraviolet Stabilizer, the present embodiment
It is middle to use EV-40 type ultraviolet absorbing agent；
The preparation process of spectral selection heat-insulating slurry for the heat-insulated master batch of PC:
S1, prepare solvent, wolframic acid caesium nano-powder, dispersing agent and stabilizer according to the ratio；
S2, white spirit and nanometer wolframic acid caesium powder are added in blender and are quickly stirred under conditions of 3000r/min
20min；
S3, to S2 after the mixture of dispersing agent and white spirit and nanometer wolframic acid caesium powder is added in nano-milled equipment
60h is ground, stabilizer is added and continues to grind 10h.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Comparative example 3
For the spectral selection heat-insulating slurry of the heat-insulated master batch of PC, the raw material comprising following parts by weight is made:
55 parts of solvent；
17 parts of wolframic acid caesium nano-powder；
5 parts of dispersing agent；
1 part of stabilizer.
Wherein, solvent is white spirit, and is 120# white spirit；
The granularity of wolframic acid caesium nano-powder is 40nm；
Dispersing agent is 700 type dispersing agent of Digao；
Stabilizer includes hindered amine type light stabilizer, uses EV-83 type light stabilizer in the present embodiment；
Stabilizer further includes ultraviolet absorbing agent, and ultraviolet absorbing agent is Benzotriazole Ultraviolet Stabilizer, the present embodiment
It is middle to use EV-40 type ultraviolet absorbing agent；
The preparation process of spectral selection heat-insulating slurry for the heat-insulated master batch of PC:
S1, prepare solvent, wolframic acid caesium nano-powder, dispersing agent and stabilizer according to the ratio；
S2, white spirit and nanometer wolframic acid caesium powder are added in blender and are quickly stirred under conditions of 3000r/min
20min；
S3, to S2 after the mixture of dispersing agent and white spirit and nanometer wolframic acid caesium powder is added in nano-milled equipment
60h is ground, stabilizer is added and continues to grind 10h.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Comparative example 4
For the spectral selection heat-insulating slurry of the heat-insulated master batch of PC, the raw material comprising following parts by weight is made:
55 parts of solvent；
17 parts of wolframic acid caesium nano-powder；
15 parts of dispersing agent；
5 parts of stabilizer.
Wherein, solvent is white spirit, and is 120# white spirit；
The granularity of wolframic acid caesium nano-powder is 40nm；
Dispersing agent is 700 type dispersing agent of Digao；
Stabilizer only includes hindered amine type light stabilizer, uses EV-83 type light stabilizer in the present embodiment；
The preparation process of spectral selection heat-insulating slurry for the heat-insulated master batch of PC:
S1, prepare solvent, wolframic acid caesium nano-powder, dispersing agent and stabilizer according to the ratio；
S2, white spirit and nanometer wolframic acid caesium powder are added in blender and are quickly stirred under conditions of 3000r/min
20min；
S3, to S2 after the mixture of dispersing agent and white spirit and nanometer wolframic acid caesium powder is added in nano-milled equipment
60h is ground, stabilizer is added and continues to grind 10h.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Comparative example 5,
For the spectral selection heat-insulating slurry of the heat-insulated master batch of PC, the raw material comprising following parts by weight is made:
55 parts of solvent；
17 parts of wolframic acid caesium nano-powder；
15 parts of dispersing agent；
5 parts of stabilizer.
Wherein, solvent is white spirit, and is 120# white spirit；
The granularity of wolframic acid caesium nano-powder is 40nm；
Dispersing agent is 700 type dispersing agent of Digao；
Stabilizer only includes ultraviolet absorbing agent, and ultraviolet absorbing agent is Benzotriazole Ultraviolet Stabilizer, the present embodiment
It is middle to use EV-40 type ultraviolet absorbing agent；
The preparation process of spectral selection heat-insulating slurry for the heat-insulated master batch of PC:
S1, prepare solvent, wolframic acid caesium nano-powder, dispersing agent and stabilizer according to the ratio；
S2, white spirit and nanometer wolframic acid caesium powder are added in blender and are quickly stirred under conditions of 3000r/min
20min；
S3, to S2 after the mixture of dispersing agent and white spirit and nanometer wolframic acid caesium powder is added in nano-milled equipment
60h is ground, stabilizer is added and continues to grind 10h.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Comparative example 6:
For the spectral selection heat-insulating slurry of the heat-insulated master batch of PC, the raw material comprising following parts by weight is made:
55 parts of solvent；
17 parts of wolframic acid caesium nano-powder；
15 parts of dispersing agent；
5 parts of stabilizer.
Wherein, solvent is white spirit, and is 120# white spirit；
The granularity of wolframic acid caesium nano-powder is 40nm；
Dispersing agent is 700 type dispersing agent of Digao；
Stabilizer includes hindered amine type light stabilizer, uses EV-83 type light stabilizer in the present embodiment；
Stabilizer further includes ultraviolet absorbing agent, and ultraviolet absorbing agent is Benzotriazole Ultraviolet Stabilizer, the present embodiment
It is middle to use EV-40 type ultraviolet absorbing agent；
The preparation process of spectral selection heat-insulating slurry for the heat-insulated master batch of PC:
S1, prepare solvent, wolframic acid caesium nano-powder, dispersing agent and stabilizer according to the ratio；
S2, white spirit and nanometer wolframic acid caesium powder are added in blender and are quickly stirred under conditions of 3000r/min
20min；
S3, to S2 after the mixture of dispersing agent and white spirit and nanometer wolframic acid caesium powder is added in ultrasonic disperser
Disperse 60h, adds stabilizer and continue to grind 10h.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Three, performance detection prepares embodiment 1 to embodiment 5 and comparative example 1 to the slurry 5kg of comparative example 5 respectively and carries out
Each group slurry is added with 95kgPC master batch, is added in extruder and is mixed jointly, and squeezed out, is granulated to form light by grouping
Spectral selectivity PC particle.
The spectral selection PC particle of 1 parts by weight and the PC master batch of 99 parts by weight are dosed, is uniformly mixed, and be added to
The PC plate material with a thickness of 1mm is molded into injection molding machine.
Performance detection is carried out to PC plate material using transmitance detector, it is as a result as follows
By above-mentioned experimental data it is found that can obtain in embodiment 1 to embodiment 5, meeting the spectrum for being used for the heat-insulated master batch of PC
Selective heat-insulating slurry, the raw material comprising following parts by weight are made:
50-60 parts of solvent；
15-20 parts of wolframic acid caesium nano-powder；
12-18 parts of dispersing agent；
2-8 parts of stabilizer.
Wherein, solvent is white spirit, and is 120# white spirit；
The granularity of wolframic acid caesium nano-powder is 30-50nm；
Dispersing agent is 700 type dispersing agent of Digao；
Stabilizer includes hindered amine type light stabilizer, uses EV-83 type light stabilizer in the application；
Stabilizer further includes ultraviolet absorbing agent, and ultraviolet absorbing agent is Benzotriazole Ultraviolet Stabilizer, in the application
Using EV-40 type ultraviolet absorbing agent；
The preparation process of spectral selection heat-insulating slurry for the heat-insulated master batch of PC:
S1, prepare solvent, wolframic acid caesium nano-powder, dispersing agent and stabilizer according to the ratio；
S2, white spirit and nanometer wolframic acid caesium powder are added in blender and are quickly stirred under conditions of 3000r/min
20min；
S3, to S2 after the mixture of dispersing agent and white spirit and nanometer wolframic acid caesium powder is added in nano-milled equipment
50h is ground, stabilizer is added and continues to grind 7h.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
When under the conditions of such, manufactured with a thickness of the PC plate material infrared ray rejection rate of 1mm is more than 85%, ultraviolet isolating
Rate is more than 99%, and light transmittance is more than 72%, thus has good comprehensive performance.
And embodiment 3 and comparative example 6 compare it is found that relative to by way of using ultrasonic wave dispersion in comparative example 6 into
The dispersion of row nano particle is ground using nano-milled equipment in the application, and the slurry of output is infused after PC particle is made again
It is moulded into PC plate material, infrared ray rejection rate, ultraviolet isolating rate, light transmittance are more excellent.
In the actual operation process, it is found by the applicant that when being dispersed using ultrasonic wave, a nanometer wolframic acid caesium powder can be made
The temperature of particle increases, so that reunion easy to form, is unfavorable for the evenly dispersed of nanometer wolframic acid caesium powder granule, thus leads to it
Properties are deteriorated.And the system of spectral selection heat-insulating slurry is carried out using raw material components corresponding in the application and preparation process
Standby, the heat-insulating slurry the produced PC plate material that injection molding goes out after mixing with PC particle is in infrared ray rejection rate, ultraviolet light
Good performance is all had in terms of rejection rate, light transmittance.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of spectral selection heat-insulating slurry for the heat-insulated master batch of PC, which is characterized in that the raw material comprising following parts by weight
It is made:
50-60 parts of solvent；
15-20 parts of wolframic acid caesium nano-powder；
12-18 parts of dispersing agent；
2-8 parts of stabilizer.
2. the spectral selection heat-insulating slurry according to claim 1 for the heat-insulated master batch of PC, which is characterized in that described molten
Agent is white spirit.
3. the spectral selection heat-insulating slurry according to claim 2 for the heat-insulated master batch of PC, which is characterized in that described white
Electric oil is 120# white spirit.
4. the spectral selection heat-insulating slurry according to claim 1 for the heat-insulated master batch of PC, which is characterized in that the tungsten
The granularity of sour caesium nano-powder is 30-50nm.
5. the spectral selection heat-insulating slurry according to claim 1 for the heat-insulated master batch of PC, which is characterized in that described point
Powder is 700 type dispersing agent of Digao.
6. the spectral selection heat-insulating slurry according to claim 1 for the heat-insulated master batch of PC, which is characterized in that described steady
Determining agent includes hindered amine type light stabilizer.
7. the spectral selection heat-insulating slurry according to claim 6 for the heat-insulated master batch of PC, which is characterized in that described steady
Determining agent further includes ultraviolet absorbing agent.
8. the spectral selection heat-insulating slurry according to claim 7 for the heat-insulated master batch of PC, which is characterized in that the purple
Ultraviolet absorbers are Benzotriazole Ultraviolet Stabilizer.
9. a kind of preparation method of the spectral selection heat-insulating slurry for the heat-insulated master batch of PC, which is characterized in that specifically include with
Lower step:
S1, prepare solvent, wolframic acid caesium nano-powder, dispersing agent and stabilizer according to the ratio；
S2, white spirit and nanometer wolframic acid caesium powder are added in blender and are quickly stirred under conditions of 3000r/min
20min；
S3, to S2 after the mixture of dispersing agent and white spirit and nanometer wolframic acid caesium powder is added in nano-milled equipment
50-70h is ground, stabilizer is added and continues to grind 7-12h.
10. the preparation method of the spectral selection heat-insulating slurry according to claim 9 for the heat-insulated master batch of PC, feature
It is, the abrasive media of the nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
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| CN110616051A (en) * | 2019-09-06 | 2019-12-27 | 长沙壹纳光电材料有限公司 | Cesium tungstate slurry for PVB safety glass and preparation method thereof |
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