CN109735085A - A kind of spectral selection PC insulation particle and preparation method thereof - Google Patents

A kind of spectral selection PC insulation particle and preparation method thereof Download PDF

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Publication number
CN109735085A
CN109735085A CN201910002428.2A CN201910002428A CN109735085A CN 109735085 A CN109735085 A CN 109735085A CN 201910002428 A CN201910002428 A CN 201910002428A CN 109735085 A CN109735085 A CN 109735085A
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spectral selection
stabilizer
powder
nano
wolframic acid
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CN201910002428.2A
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CN109735085B (en
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潘亚美
林高民
林俊君
林进杰
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Shenzhen Dehou Science & Technology Co Ltd
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Shenzhen Dehou Science & Technology Co Ltd
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Abstract

The present invention relates to PC particle field, in particular to a kind of spectral selection PC insulation particle and preparation method thereof.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, while having in visible light region and relatively penetrating characteristic by force, and has stronger shielding character in UV light region.Wolframic acid caesium nano-powder can shield most ultraviolet lights, still can absorb small part ultraviolet light.Stabilizer can be improved heat-insulating slurry to the absorptivity of ultraviolet light, thus the absorbed ultraviolet light of small part, can reduce the ultraviolet light across nano pulp to the greatest extent by stable absorption.Thus, the spectral selection PC insulation particle that extruding pelletization is formed all has infrared ray and ultraviolet light and good resists performance.

Description

A kind of spectral selection PC insulation particle and preparation method thereof
Technical field
The present invention relates to PC particle fields, more specifically, it relates to a kind of spectral selection PC insulation particle and its system Preparation Method.
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 application of Publication No. CN1607420A, a kind of infrared radiation proof spectacle lens are disclosed, by Organic optical materials allyl diglycol carbonates, diisopropyl peroxycarbonates copolymer (CR-39) or polycarbonate (PC) Or polymethyl methacrylate (PM-MA) any one be basic body, then mix suitable nano material and be made.Nano material has Silicon nitride, neodymia, cobalt oxide, silica and vanadium oxide.The infrared radiation spectacle lens can filter off 800mm or more it is close in it is infrared Line can protect eyes in the environment of strong light and heat radiation.
Although having the function of centainly anti-infrared using silicon nitride, neodymia, cobalt oxide, silica and vanadium oxide, However, when facing ultraviolet light, it is difficult to filter ultraviolet light, ultraviolet long-time irradiates skin, can cause skin that actinic skin occurs Inflammation acts on heatstroke nervous system, may occur in which headache, dizziness, body temperature raising etc., acts on eye, can cause conjunctivitis, cornea Inflammation may induce the problems such as cataract.In particular, when this material is applied to the ceiling and glazing material of tour bus, battery truck, It is difficult to resist ultraviolet light, for a long time in outdoor seating, is easy that the personnel on vehicle are caused to damage.
Summary of the invention
In view of the deficienciess of the prior art, the first purpose of this invention be to provide a kind of spectral selection PC it is heat-insulated Particle, with good infrared resistant and anti-ultraviolet performance.
Second object of the present invention is to provide a kind of preparation method of spectral selection PC insulation particle, and having can The advantages of preparing spectral selection PC insulation particle.
To realize above-mentioned first purpose, the present invention provides the following technical scheme that a kind of heat-insulated of spectral selection PC Grain, is process, wherein the heat-insulated slurry of spectral selection by the PC master batch of 95wt% and the spectral selection heat-insulating slurry of 5wt% Material is made comprising the raw material of following parts by weight:
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.Thus, after being mixed with PC master batch, extruding pelletization formed spectral selection PC insulation particle for Infrared ray and ultraviolet light, which all have, good resists performance.
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 spectral selection PC insulation particle, 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, spectral selection heat-insulating slurry is made;
S4, by the PC master batch of the heat-insulating slurry of 5wt% and 95wt%, uniformly mixed after being added in extruder, and squeeze out, make Particle shape is at spectral selection PC insulation particle.
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, to be able to ascend PC insulation particle after S4 Anti-ultraviolet ability.
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.After thus being mixed with PC master batch, the optical electivity of extruding pelletization formation Property PC insulation particle all has infrared ray and ultraviolet light and good resists performance.
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.After thus mixing with PC master batch, the spectral selection PC that extruding pelletization is formed is heat-insulated Particle all has infrared ray and ultraviolet light and good resists performance.
Detailed description of the invention
Fig. 1 is the preparation method artwork of spectral selection PC insulation particle.
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;It stirs Mix the GF1100 high speed disperser that machine uses the production of Shanghai small and special electric machine Co., Ltd;
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;PC The Bayer Bitterfeld GmbH injection grade PC particle that the trade mark of master batch purchase from the outstanding gloomy plasticizing Co., Ltd in Yuyao City is 2405.
Two, a kind of spectral selection PC insulation particle and its preparation process:
With reference to attached drawing 1,
Embodiment 1:
Spectral selection PC insulation particle, the raw material comprising following parts by weight are 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 PC insulation particle:
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;
S4, by the PC master batch of the heat-insulating slurry of 5wt% and 95wt%, uniformly mixed after being added in extruder, and squeeze out, make Particle shape is at spectral selection PC insulation particle.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Embodiment 2:
Spectral selection PC insulation particle, the raw material comprising following parts by weight are 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 PC insulation particle:
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;
S4, by the PC master batch of the heat-insulating slurry of 5wt% and 95wt%, uniformly mixed after being added in extruder, and squeeze out, make Particle shape is at spectral selection PC insulation particle.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Embodiment 3:
Spectral selection PC insulation particle, the raw material comprising following parts by weight are 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 PC insulation particle:
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;
S4, by the PC master batch of the heat-insulating slurry of 5wt% and 95wt%, uniformly mixed after being added in extruder, and squeeze out, make Particle shape is at spectral selection PC insulation particle.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Embodiment 4:
Spectral selection PC insulation particle, the raw material comprising following parts by weight are 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 PC insulation particle:
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;
S4, by the PC master batch of the heat-insulating slurry of 5wt% and 95wt%, uniformly mixed after being added in extruder, and squeeze out, make Particle shape is at spectral selection PC insulation particle.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Embodiment 5:
Spectral selection PC insulation particle, the raw material comprising following parts by weight are 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 PC insulation particle:
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;
S4, by the PC master batch of the heat-insulating slurry of 5wt% and 95wt%, uniformly mixed after being added in extruder, and squeeze out, make Particle shape is at spectral selection PC insulation particle.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Comparative example 1:
Spectral selection PC insulation particle, the raw material comprising following parts by weight are 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 PC insulation particle:
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;
S4, by the PC master batch of the heat-insulating slurry of 5wt% and 95wt%, uniformly mixed after being added in extruder, and squeeze out, make Particle shape is at spectral selection PC insulation particle.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Comparative example 2:
Spectral selection PC insulation particle, the raw material comprising following parts by weight are 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 PC insulation particle:
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;
S4, by the PC master batch of the heat-insulating slurry of 5wt% and 95wt%, uniformly mixed after being added in extruder, and squeeze out, make Particle shape is at spectral selection PC insulation particle.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Comparative example 3
Spectral selection PC insulation particle, the raw material comprising following parts by weight are 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 PC insulation particle:
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;
S4, by the PC master batch of the heat-insulating slurry of 5wt% and 95wt%, uniformly mixed after being added in extruder, and squeeze out, make Particle shape is at spectral selection PC insulation particle.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Comparative example 4
Spectral selection PC insulation particle, the raw material comprising following parts by weight are 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 PC insulation particle:
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;
S4, by the PC master batch of the heat-insulating slurry of 5wt% and 95wt%, uniformly mixed after being added in extruder, and squeeze out, make Particle shape is at spectral selection PC insulation particle.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Comparative example 5,
Spectral selection PC insulation particle, the raw material comprising following parts by weight are 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 PC insulation particle:
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;
S4, by the PC master batch of the heat-insulating slurry of 5wt% and 95wt%, uniformly mixed after being added in extruder, and squeeze out, make Particle shape is at spectral selection PC insulation particle.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Comparative example 6:
Spectral selection PC insulation particle, the raw material comprising following parts by weight are 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 PC insulation particle:
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;
S4, by the PC master batch of the heat-insulating slurry of 5wt% and 95wt%, uniformly mixed after being added in extruder, and squeeze out, make Particle shape is at spectral selection PC insulation particle.
Wherein, the abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
Three, performance detection prepare respectively embodiment 1 to embodiment 5 and comparative example 1 to the spectral selection PC of comparative example 5 every Hot particle is dosed the spectral selection PC insulation particle of 1 parts by weight and the PC master batch of 99 parts by weight, is uniformly mixed, and adds Enter the PC plate material being molded into injection molding machine with a thickness of 1mm.
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 be obtained in embodiment 1 to embodiment 5, meeting:
Spectral selection PC insulation particle, 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 PC insulation particle:
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;
S4, by the PC master batch of the heat-insulating slurry of 5wt% and 95wt%, uniformly mixed after being added in extruder, and squeeze out, make Particle shape is at spectral selection PC insulation particle.
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 PC insulation particle, which is characterized in that by the PC master batch of 95wt% and the spectral selection of 5wt% Heat-insulating slurry is process, wherein spectral selection heat-insulating slurry includes that the raw material of 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.
2. a kind of spectral selection PC insulation particle according to claim 1, which is characterized in that the solvent is white appliances Oil.
3. a kind of spectral selection PC insulation particle according to claim 2, which is characterized in that the white spirit is 120# White spirit.
4. a kind of spectral selection PC insulation particle according to claim 1, which is characterized in that the wolframic acid caesium nano powder The granularity of body is 30-50nm.
5. a kind of spectral selection PC insulation particle according to claim 1, which is characterized in that the dispersing agent is Digao 700 type dispersing agents.
6. a kind of spectral selection PC insulation particle according to claim 1, which is characterized in that the stabilizer include by Hinder amine type light stabilizer.
7. a kind of spectral selection PC insulation particle according to claim 6, which is characterized in that the stabilizer further includes Ultraviolet absorbing agent.
8. a kind of spectral selection PC insulation particle according to claim 7, which is characterized in that the ultraviolet absorbing agent For Benzotriazole Ultraviolet Stabilizer.
9. a kind of preparation method of spectral selection PC insulation particle, which is characterized in that 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, spectral selection heat-insulating slurry is made;
S4, by the PC master batch of the heat-insulating slurry of 5wt% and 95wt%, uniformly mixed after being added in extruder, and squeeze out, make Particle shape is at spectral selection PC insulation particle.
10. a kind of preparation method of spectral selection PC insulation particle according to claim 9, which is characterized in that described The abrasive media of nano-milled equipment is zirconium silicate, and the partial size of zirconium silicate is 0.2mm.
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CN103003343A (en) * 2010-05-10 2013-03-27 拜耳知识产权有限责任公司 Polymer composition having heat-absorbent properties and high stability
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