基于片状ZnO的功效性紫外屏蔽材料的制备及性能研究

doi:10.3969/j.issn.2097-2806.2025.01.007

摘要/Abstract

摘要：

以片状ZnO（F-ZnO）为核体，采用SiO₂对其进行表面包覆得到SiO₂/F-ZnO （SFZ），然后将原花青素（Pro）负载于SFZ复合物表面，制得Pro/SiO₂/F-ZnO （PSFZ）。采用FTIR、XRD、TEM、UV、TGA等技术对所得的样品进行表征。结果表明：SiO₂以非晶态的形式均匀包覆在F-ZnO表面，其适宜包覆量为15%；Pro在SFZ表面形成均匀的膜层，其适宜负载量为20%。采用抗氧化性实验和体外美白实验进行功效性评价，通过在基础配方中应用评价其稳定性。结果表明：PSFZ具有良好的自由基清除能力和抑制酪氨酸酶的能力。防晒指数测试中，PSFZ复合材料比SFZ具有更优异的紫外屏蔽效果。在配方应用中和光照条件下复合材料仍具有较高的稳定性。

关键词: 片状ZnO, 二氧化硅, 原花青素, 紫外屏蔽, 功效性

Abstract:

With flaky zinc oxide （F-ZnO） as the core, SiO₂ was used to coat the surface of F-ZnO to obtain SiO₂/F-ZnO （SFZ）. Then Pro/SiO₂/F-ZnO （PSFZ） was prepared by loading proanthocyanidins （Pro） on SFZ composites. The samples were characterized by FTIR, XRD, TEM, UV and TGA. The results showed that SiO₂ uniformly coated on the surface of flake-shaped ZnO particles in amorphous form, and the appropriate coating amount was 15%. Proanthocyanidins formed a uniform layer on the SFZ surface with a suitable loading amount of 20%. The efficacy was evaluated by antioxidant test and in vitro skin-whitening test, and the stability was evaluated by application in the basic formula. The results showed that PSFZ had good free radical scavenging ability and tyrosinase inhibiting ability. In the testing of sun protection indexes, PSFZ composite had better UV-shielding effect than SFZ. The composite still had high stability under the conditions of formulation application and UV irradiation.

Key words: ZnO flake, SiO₂, proanthocyanidins, UV shielding, efficacy

中图分类号:

TQ658

孙晓敏, 左士祥, 余瑶瑶, 吴鑫, 蔡悦, 姚超. 基于片状ZnO的功效性紫外屏蔽材料的制备及性能研究[J]. 日用化学工业（中英文）, 2025, 55(1): 55-62.

Xiaomin Sun, Shixiang Zuo, Yaoyao Yu, Xin Wu, Yue Cai, Chao Yao. Preparation and properties of effective UV-shielding materials based on flake-shaped ZnO[J]. China Surfactant Detergent & Cosmetics, 2025, 55(1): 55-62.

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SFZ-X	等电点	SFZ-X	等电点
SFZ-0	9.32	SFZ-15	2.14
SFZ-5	7.82	SFZ-20	2.12
SFZ-10	5.17	SFZ-25	2.14

名称	ZnO	F-ZnO	SFZ	PSFZ
SPF	4.49	4.79	4.04	6.63
PFA	3.52	4.61	3.80	5.28
PAindex	+	++	+	++
λc	372.2	377.5	376.3	377.9

	OD₂₈₀	ρ（Pro）/（μg/mL）	保留率/%
F1	0.002	—	—
F2	0.055	1.17	94.15
F3	0.543	15.87	20.65