WO2017114047A1 - 一种改进的防紫外线涂料及其制备方法 - Google Patents

一种改进的防紫外线涂料及其制备方法 Download PDF

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WO2017114047A1
WO2017114047A1 PCT/CN2016/107289 CN2016107289W WO2017114047A1 WO 2017114047 A1 WO2017114047 A1 WO 2017114047A1 CN 2016107289 W CN2016107289 W CN 2016107289W WO 2017114047 A1 WO2017114047 A1 WO 2017114047A1
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parts
improved
benzyl dimethyl
diphenylphosphine oxide
sodium
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PCT/CN2016/107289
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French (fr)
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曲少春
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曲少春
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D4/00Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/63Additives non-macromolecular organic

Definitions

  • the present invention relates to a coating, and more particularly to an improved UV-blocking coating and a method of making the same, which are in the field of coatings.
  • Ultraviolet light is a kind of light wave that is harmful to the human body in sunlight.
  • the energy of transitional ultraviolet light and ultraviolet light can cause skin aging, and even lead to skin cancer. It can also lead to various window curtains and floors, plastics and printed materials. fade. Therefore, people are paying more and more attention to the harm of ultraviolet radiation, especially if it causes erythema, dark spots, skin aging, and even skin cancer. It is hoped that traditional clothes have a certain ultraviolet shielding function and do not affect the ventilation. Wet.
  • the technical problem to be solved by the present invention is to provide an improved anti-UV coating and a preparation method thereof, which have improved ultraviolet protection performance and stability of the coating, and have a certain ultraviolet shielding function. Does not affect the breathability and moisture permeability.
  • the technical solution adopted by the present invention is an improved ultraviolet protection coating which is made of the following raw materials by weight: benzyl dimethyl phenol ethoxylate 1.5-4 parts , mixed fatty acid sodium sulfate 0.35-0.66 parts, ot-cyanoacrylate adhesive 1.25-1.65 parts, 2,4,6-trimethylbenzoyl-diphenylphosphine oxide 0.36-0.67 parts, coloring agent 0.22-0.66 parts, potassium 4-phosphate, 6.5 parts, defoamer 1.23-3. 25 parts, sodium linear alkylbenzene sulfonate 1.55-2.68 parts.
  • the above improved UV protection coating is prepared from the following parts by weight of raw materials: 1.5 parts of benzyl dimethyl phenol ethoxylate, 0.35 parts of mixed fatty alcohol sodium sulfate, a-cyanoacrylic acid 1.25 parts of ester adhesive, 0.36 parts of 2,4,6-trimethylbenzoyl-diphenylphosphine oxide, 0.22 parts of coloring agent, 4 parts of potassium diphosphate, 1.23 parts of antifoaming agent, linear alkylbenzene Sodium sulfonate 1.55 parts.
  • An improved method for preparing an anti-UV coating comprises the following steps: 1) benzyl dimethyl phenol ethoxylate, mixed fatty sodium sulfate and a-cyanoacrylate according to the above group distribution ratio Pour the adhesive into the container, add defoamer, connect to the heat treatment machine, keep the steam temperature ⁇ 100 °C, and naturally cool to room temperature after heat treatment for 10-15 minutes; 2) then 2,4,6-trimethylbenzene Formyl-diphenylphosphine oxide and coloring agent are put into a container according to the formulation ratio, and are initially filtered by a diatomaceous earth filter, and the filtration pressure is ⁇ 0.1 MPa, and the light transmittance is over 96%; 3) Potassium diphosphate was added to the reaction vessel, and the mixture was stirred and stirred at 400-500 r/min for 20-25 min.
  • the present invention has the following positive effects:
  • the coating amount of the coating of the present invention is the coating amount of the coating of the present invention
  • the air permeability is 17.6kg/m2*s
  • the elongation is 45%
  • the ultraviolet light transmittance of wavelength 40nm is 15%, and the wavelength is 600nm.
  • the visible light transmittance is 50%; the a-cyanoacrylate adhesive has high refractive index and high photoactivity, can be used as a sunscreen agent, solves many practical needs, and is suitable for various fabrics, and has certain UV shielding function, and does not affect the breathability and moisture permeability.
  • Example 1 The present invention is an improved UV-blocking coating made from the following parts by weight of raw materials: 1.5 parts of benzyl dimethyl phenol ethoxylate, 0.35 parts of mixed fatty alcohol sodium sulfate, a - cyanoacrylate adhesive 1J 1.25 parts, 2,4,6-trimethylbenzoyl-diphenylphosphine oxide 0.36 parts, colorant is 0.22 parts of disperse dye, 4 parts potassium diphosphate, defoamer That is, 1.23 parts of polyether-modified silicone and 1.55 parts of sodium linear alkylbenzene sulfonate.
  • An improved method for preparing an anti-UV coating comprises the following steps: 1) benzyl dimethyl phenol polyoxyethylene ether, mixed fatty alcohol sodium sulfate and a-cyanoacrylate adhesive according to the above group distribution ratio Pour into the container, add defoamer, connect to heat treatment machine, keep steam temperature ⁇ 100 °C, lOmin heat-cooled to room temperature after heat treatment; 2) then 2,4,6-trimethylbenzoyl-diphenyl Base phosphine oxide and colorant according to formula Proportion, into the container, using a diatomaceous earth filter for initial filtration, the filtration pressure to ⁇ 0.1 MPa, the transmittance of 96% or more; 3) adding potassium diphosphate to the reaction vessel at 400r/min
  • the suspended particles are evenly dispersed, and after cooling, they are finished products.
  • the present invention is an improved UV-blocking coating made from the following parts by weight of raw materials: 4 parts of benzyl dimethyl phenol ethoxylate, 0.66 parts of mixed fatty alcohol sodium sulfate, a-cyano group 1.65 parts of acrylate adhesive, 0.67 parts of 2,4,6-trimethylbenzoyl-diphenylphosphine oxide, 0.66 parts of disperse dye, 6.5 parts of potassium diphosphate, defoamer 3.25 parts of silicone and 2.68 parts of sodium linear alkylbenzene sulfonate.
  • An improved method for preparing an anti-UV coating comprises the following steps: 1) benzyl dimethyl phenol polyoxyethylene ether, mixed sodium lauryl sulfate and a-cyanoacrylate according to the above-mentioned group distribution ratio Pour the adhesive into the container, add defoamer, connect to the heat treatment machine, keep the steam temperature ⁇ 100 °C, and naturally cool to room temperature after heat treatment for 12 minutes; 2) then 2,4,6-trimethylbenzoyl - Diphenylphosphine oxide and coloring agent are put into a container according to the formula ratio, and are initially filtered by a diatomaceous earth filter, the filtration pressure is ⁇ 0.1 MPa, the light transmittance is over 96%; 3) in the reaction container Add potassium diphosphate to 450r/min
  • the suspended particles are uniformly dispersed, and after cooling, they are finished products.
  • Example 3 The present invention is an improved UV-blocking coating made from the following parts by weight of raw materials: 2.7 parts of benzyl dimethylphenol ethoxylate, 0.46 parts of mixed fatty alcohol sodium sulfate, a - 1.75 parts of cyanoacrylate adhesive, 0.47 parts of 2,4,6-trimethylbenzoyl-diphenylphosphine oxide, 0.43 parts of disperse dye, 5.6 parts of potassium diphosphate, defoamer 2.37 parts of polyether modified silicone, 2.25 parts of sodium linear alkylbenzene sulfonate.
  • a method for preparing an improved UV protection coating comprises the following steps: 1) concentrating benzyl dimethyl phenol according to the above group distribution ratio Oxyethylene vinyl ether, mixed fatty sodium sulfate and a-cyanoacrylate adhesive are poured into the container, defoaming agent is added, and the heat treatment machine is connected to maintain the steam temperature ⁇ 100 ° C. After heat treatment for 15 minutes Cooling to room temperature 2) Then, 2,4,6-trimethylbenzoyl-diphenylphosphine oxide and coloring agent are put into a container at a formulation ratio, and subjected to preliminary filtration using a diatomaceous earth filter, which is filtered. Pressure to ⁇ 0.1 MPa, light transmittance of more than 96%; 3) Add potassium diphosphate to the reaction vessel at 500r/min
  • the anti-UV coatings obtained in Examples 1-3 were respectively coated on a polyester film, photocured by a 3 kW UV lamp, and completely cured in 5 to 10 seconds to obtain a paint film.
  • the performance test of the above paint film is carried out.
  • the performance test results are shown in Table 1.
  • the yellowing resistance test of the paint film is as follows: spraying the paint film on the white base plate, after the ultraviolet light curing of the paint film, and the white film without the paint film The bottom plate is visually compared to see if there is any color difference.
  • the present invention has good adhesion and flexibility, is also strong in impact resistance, and has high hardness and wear resistance. Coating amount of the coating of the present invention
  • the air permeability is 17.6kg/m2*s
  • the elongation is 45%
  • the ultraviolet light transmittance of wavelength 40nm is 15%, and the wavelength is 600nm.
  • the visible light transmittance is 50%; oc-cyanoacrylate adhesive has high refractive index and high photoactivity, can be used as a sunscreen agent, solves many practical needs, is suitable for various fabrics, has certain UV shielding function, and does not affect the breathability and moisture permeability.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

防紫外线涂料,其由以下重量份数的原料制成:苄基二甲基酚聚氧乙烯醚1.5-4份,混合脂肪醇硫酸钠0.35-0.66份,α-氰基丙烯酸酯胶黏剂1.25-1.65份,2,4,6-三甲基苯甲酰基-二苯基氧化膦0.36-0.67份,着色剂0.22-0.66份,二磷酸钾4-6.5份,消泡剂1.23-3.25份,直链烷基苯磺酸钠1.55-2.68份。该防紫外线涂料的制备方法,包括将各原料处理和均匀混合步骤。

Description

一种改进的防紫外线涂料及其制备方法 技术领域
[0001] 本发明涉及一种涂料, 尤其是涉及一种改进的防紫外线涂料及其制备方法, 属 于涂料领域。
背景技术
[0002] 紫外线是太阳光中对人体危害较大的一种光波, 过渡照射紫外线吋紫外线的能 量可引发皮肤老化、 甚至容易导致皮肤癌, 也可导致各种窗户帘及地板、 塑料 和印刷品的褪色。 因此人们越来越关注防紫外线照射的危害, 特别是其会使皮 肤产生红斑、 黑斑、 使皮肤老化, 甚至引起皮肤癌, 人们希望传统的衣物具有 一定的紫外线屏蔽功能, 且不影响透气透湿性。
技术问题
[0003] 针对现有技术的不足, 本发明所要解决的技术问题是, 提供一种改进的防紫外 线涂料及其制备方法, 提高了涂料的防紫外线性能和稳定性, 具有一定的紫外 线屏蔽功能, 且不影响透气透湿性。
问题的解决方案
技术解决方案
[0004] 为解决上述技术问题, 本发明采取的技术方案是, 一种改进的防紫外线涂料, 其由以下重量份数的原料制成: 苄基二甲基酚聚氧乙烯醚 1.5-4份, 混合脂肪醇 硫酸钠 0.35-0.66份, ot-氰基丙烯酸酯胶黏剂 1.25-1.65份, 2,4,6-三甲基苯甲酰基- 二苯基氧化膦 0.36-0.67份, 着色剂 0.22-0.66份, 二磷酸钾 4-6.5份, 消泡剂 1.23-3. 25份, 直链烷基苯磺酸钠 1.55-2.68份。
[0005] 优化的, 上述改进的防紫外线涂料, 其由以下重量份数的原料制成: 苄基二甲 基酚聚氧乙烯醚 1.5份, 混合脂肪醇硫酸钠 0.35份, a-氰基丙烯酸酯胶黏剂 1.25份 , 2,4,6-三甲基苯甲酰基-二苯基氧化膦 0.36份, 着色剂 0.22份, 二磷酸钾 4份, 消 泡剂 1.23份, 直链烷基苯磺酸钠 1.55份。
[0006] 优化的, 上述改进的防紫外线涂料, 其着色剂为分散染料。 [0007] 优化的, 上述改进的防紫外线涂料, 其消泡剂为聚醚改性有机硅。
[0008] 一种改进的防紫外线涂料的制备方法, 包括以下步骤: 1) 按照上述组分配比 , 将苄基二甲基酚聚氧乙烯醚、 混合脂肪醇硫酸钠和 a-氰基丙烯酸酯胶黏剂倒入 容器中, 加入消泡剂, 接入热处理机, 保持蒸汽温度≥ 100°C, 10-15min热处理 后自然冷却至室温; 2) 然后将 2,4,6-三甲基苯甲酰基 -二苯基氧化膦和着色剂按 配方比例, 投入到容器中, 用硅藻土过滤机进行初滤, 其过滤压力至≤ 0.1兆帕 , 透光率达 96%以上; 3) 在反应容器中加入二磷酸钾, 以 400-500r/min进行分 散搅拌 20-25min ; 4) 然后降低转速加入直链烷基苯磺酸钠, 以 300-400r/min进 行分散搅拌 15min ; 5) 用高压均质机在 8.8-9.6MPa压力下, 使悬浮粒子受压而 破碎, 使悬浮粒均匀地分散, 冷却后即为成品。
发明的有益效果
有益效果
[0009] 本发明有以下积极的效果: 本发明的涂料涂层量
11.5g/cm2, 透气量是 17.6kg/m2*s, 伸长率是 45%, 具有良好的紫外线屏蔽效果 , 波长 40nm的紫外光透过率为 15%, 对波长 600nm
的可见光的透过率为 50% ; a-氰基丙烯酸酯胶黏剂具有高的折光性和高光活性, 可以用作防晒剂, 解决了很多实际的需要, 适用于各种织物, 具有一定的紫外 线屏蔽功能, 且不影响透气透湿性。
实施该发明的最佳实施例
本发明的最佳实施方式
[0010] 实施例 1本发明为一种改进的防紫外线涂料, 其由以下重量份数的原料制成: 苄基二甲基酚聚氧乙烯醚 1.5份, 混合脂肪醇硫酸钠 0.35份, a-氰基丙烯酸酯胶黏 齐 1J 1.25份, 2,4,6-三甲基苯甲酰基-二苯基氧化膦 0.36份, 着色剂即分散染料 0.22份 , 二磷酸钾 4份, 消泡剂即聚醚改性有机硅 1.23份, 直链烷基苯磺酸钠 1.55份。 一种改进的防紫外线涂料的制备方法, 包括以下步骤: 1) 按照上述组分配比 , 将苄基二甲基酚聚氧乙烯醚、 混合脂肪醇硫酸钠和 a-氰基丙烯酸酯胶黏剂倒入 容器中, 加入消泡剂, 接入热处理机, 保持蒸汽温度≥ 100°C, lOmin热处理后自 然冷却至室温; 2) 然后将 2,4,6-三甲基苯甲酰基-二苯基氧化膦和着色剂按配方 比例, 投入到容器中, 用硅藻土过滤机进行初滤, 其过滤压力至≤ 0.1兆帕, 透 光率达 96%以上; 3) 在反应容器中加入二磷酸钾, 以 400r/min
进行分散搅拌 20min ; 4) 然后降低转速加入直链烷基苯磺酸钠, 以 300r/min进 行分散搅拌 15min ; 5) 用高压均质机在 8.8MPa压力下, 使悬浮粒子受压而破碎
, 使悬浮粒均匀地分散, 冷却后即为成品。
本发明的实施方式
实施例 2本发明为一种改进的防紫外线涂料, 其由以下重量份数的原料制成: 苄基二甲基酚聚氧乙烯醚 4份, 混合脂肪醇硫酸钠 0.66份, a-氰基丙烯酸酯胶黏 剂 1.65份, 2,4,6-三甲基苯甲酰基-二苯基氧化膦 0.67份, 着色剂即分散染料 0.66份 , 二磷酸钾 6.5份, 消泡剂即聚醚改性有机硅 3.25份, 直链烷基苯磺酸钠 2.68份。
[0013] 一种改进的防紫外线涂料的制备方法, 包括以下步骤: 1 ) 按照上述组分配比 , 将苄基二甲基酚聚氧乙烯醚、 混合脂肪醇硫酸钠和 a-氰基丙烯酸酯胶黏剂倒入 容器中, 加入消泡剂, 接入热处理机, 保持蒸汽温度≥ 100°C, 12min热处理后自 然冷却至室温; 2) 然后将 2,4,6-三甲基苯甲酰基-二苯基氧化膦和着色剂按配方 比例, 投入到容器中, 用硅藻土过滤机进行初滤, 其过滤压力至≤ 0.1兆帕, 透 光率达 96%以上; 3) 在反应容器中加入二磷酸钾, 以 450r/min
进行分散搅拌 22min ; 4) 然后降低转速加入直链烷基苯磺酸钠, 以 350r/min进 行分散搅拌 15min ; 5) 用高压均质机在 8.9MPa压力下, 使悬浮粒子受压而破碎 , 使悬浮粒均匀地分散, 冷却后即为成品。
[0014] 实施例 3本发明为一种改进的防紫外线涂料, 其由以下重量份数的原料制成: 苄基二甲基酚聚氧乙烯醚 2.7份, 混合脂肪醇硫酸钠 0.46份, a-氰基丙烯酸酯胶 黏剂 1.45份, 2,4,6-三甲基苯甲酰基-二苯基氧化膦 0.47份, 着色剂即分散染料 0.43 份, 二磷酸钾 5.6份, 消泡剂即聚醚改性有机硅 2.37份, 直链烷基苯磺酸钠 2.25份 一种改进的防紫外线涂料的制备方法, 包括以下步骤: 1 ) 按照上述组分配比 , 将苄基二甲基酚聚氧乙烯醚、 混合脂肪醇硫酸钠和 a-氰基丙烯酸酯胶黏剂倒入 容器中, 加入消泡剂, 接入热处理机, 保持蒸汽温度≥ 100°C, 15min热处理后自 然冷却至室温 2) 然后将 2,4,6-三甲基苯甲酰基 -二苯基氧化膦和着色剂按配方比 例, 投入到容器中, 用硅藻土过滤机进行初滤, 其过滤压力至≤ 0.1兆帕, 透光 率达 96%以上; 3) 在反应容器中加入二磷酸钾, 以 500r/min
进行分散搅拌 25min ; 4) 然后降低转速加入直链烷基苯磺酸钠, 以 400r/min进 行分散搅拌 15min ; 5) 用高压均质机在 9.6MPa压力下, 使悬浮粒子受压而破碎 , 使悬浮粒均匀地分散, 冷却后即为成品。
分别将实施例 1-3得到的防紫外线涂料涂覆在聚酯膜上, 以 3kW的紫外灯进行 光固化, 在 5-10秒钟内完全固化, 得到漆膜。 对上述漆膜进行性能测试, 性能 测试结果见表 1, 其中对漆膜进行耐黄变测试, 具体为: 将漆膜喷涂在白色底 板上, 漆膜紫外光固化后, 与没有漆膜的白色底板进行目测比较, 看是否有色 差。
[表 1]
Figure imgf000005_0001
工业实用性
从检测的数据可以看出, 本发明具有很好的附着力和柔韧性, 抗冲击性也很强 , 具有很高的硬度和耐磨性。 本发明的涂料涂层量
11.5g/cm2, 透气量是 17.6kg/m2*s, 伸长率是 45%, 具有良好的紫外线屏蔽效果 , 波长 40nm的紫外光透过率为 15%, 对波长 600nm 的可见光的透过率为 50% ; oc-氰基丙烯酸酯胶黏剂具有高的折光性和高光活性, 可以用作防晒剂, 解决了很多实际的需要, 适用于各种织物, 具有一定的紫外 线屏蔽功能, 且不影响透气透湿性。
以上实施例的说明只是用于帮助理解本发明的方法及其核心思想。 应当指出, 对于本技术领域的普通技术人员来说, 在不脱离本发明原理的前提下, 还可以 对本发明进行若干改进和修饰, 这些改进和修饰也落入本发明权利要求的保护 范围内。 对所公幵的实施例的上述说明, 使本领域专业技术人员能够实现或使 用本发明。 对这些实施例的多种修改对本领域的专业技术人员来说将是显而易 见的, 本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下, 在其它实施例中实现。 因此, 本发明将不会被限制于本文所示的这些实施例, 而是要符合与本文所公幵的原理和新颖特点相一致的最宽的范围。

Claims

权利要求书
一种改进的防紫外线涂料, 其特征在于: 由以下重量份数的原料制成
: 苄基二甲基酚聚氧乙烯醚 1.5-4份, 混合脂肪醇硫酸钠 0.35-0.66份 , α-氰基丙烯酸酯胶黏剂 1.25-1.65份, 2,4,6-三甲基苯甲酰基-二苯基 氧化膦 0.36-0.67份, 着色齐 ij0.22-0.66份, 二磷酸钾 4-6.5份, 消泡剂 1.2 3-3.25份, 直链烷基苯磺酸钠 1.55-2.68份。
根据权利要求 1所述的改进的防紫外线涂料, 其特征在于: 由以下重 量份数的原料制成: 苄基二甲基酚聚氧乙烯醚 1.5份, 混合脂肪醇硫 酸钠 0.35份, ot-氰基丙烯酸酯胶黏剂 1.25份, 2,4,6-三甲基苯甲酰基- 二苯基氧化膦 0.36份, 着色剂 0.22份, 二磷酸钾 4份, 消泡剂 1.23份, 直链烷基苯磺酸钠 1.55份。
根据权利要求 1所述的改进的防紫外线涂料, 其特征在于: 所述着色 剂为分散染料。
根据权利要求 1所述的改进的防紫外线涂料, 其特征在于: 所述消泡 剂为聚醚改性有机硅。
根据权利要求 1-4任一项所述的改进的防紫外线涂料的制备方法, 包 括以下步骤: 1) 按照上述组分配比, 将苄基二甲基酚聚氧乙烯醚、 混合脂肪醇硫酸钠和 a-氰基丙烯酸酯胶黏剂倒入容器中, 加入消泡剂 , 接入热处理机, 保持蒸汽温度≥ 100°C, 10-15min热处理后自然冷 却至室温; 2) 然后将 2,4,6-三甲基苯甲酰基-二苯基氧化膦和着色剂 按配方比例, 投入到容器中, 用硅藻土过滤机进行初滤, 其过滤压力 至≤0.1兆帕, 透光率达 96%以上; 3) 在反应容器中加入二磷酸钾, 以 400-500r/min进行分散搅拌 20-25min; 4) 然后降低转速加入直链 烷基苯磺酸钠, 以 300-400r/min进行分散搅拌 15min ; 5) 用高压均质 机在 8.8-9.6MPa压力下, 使悬浮粒子受压而破碎, 使悬浮粒均匀地分 散, 冷却后即为成品。
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