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   Synthesis and Investigation of Optical Behavior of Zno @ Znal-Ldh Pigments Against Uv Radiation  
   
DOR 20.1001.2.0021079099.1400.8.1.108.8
نویسنده Ghasemi Ebrahim
منبع كنگره بين المللي رنگ و پوشش - 1400 - دوره : 8 - کنگره بین المللی رنگ و پوشش - کد همایش: 00210-79099 - صفحه:1 -1
چکیده    The development of uv protection materials has attracted a lot of attention in the field of coatings and sunscreens. this paper reports the chemical mechanism of uv protection of two-layer hydroxide materials (ldhs) in terms of chemical composition. double layered hydroxide nanoparticles (ldhs) have potential applications in the polymer industry as uv protectors and in the pharmaceutical industry as pharmaceutical carriers. figure (1) shows the general schematic of the synthesis of ldh, zno, zno@ldh in order to fabricate composite pigments with zno coating on ldh using the simultaneous precipitation method.sem, xrd and uv-vis-nir spectrophotometric analyzes were used to describe the synthesized compounds. zno and ldh have always been known as two uv absorbing minerals. zno coating on znal_ldh according to the results of uv – vis-nir analysis showed spectrophotometric effect of uv absorption.
کلیدواژه Uv Shielding ,Double Layered Hydroxide ,Zno@Znal_Ldh Nanocomposite
آدرس Institute For Color Science And Technology, Iran, Institute For Color Science And Technology, Iran, Institute For Color Science And Technology, Iran, Institute For Color Science And Technology, Iran, Institute For Color Science And Technology, Iran
 
   Synthesis and investigation of optical behavior of ZnO @ ZnAl-LDH pigments against UV radiation  
   
Authors Ghasemi Ebrahim
Abstract    The development of UV protection materials has attracted a lot of attention in the field of coatings and sunscreens. This paper reports the chemical mechanism of UV protection of two-layer hydroxide materials (LDHs) in terms of chemical composition. Double layered hydroxide nanoparticles (LDHs) have potential applications in the polymer industry as UV protectors and in the pharmaceutical industry as pharmaceutical carriers. Figure (1) shows the general schematic of the synthesis of LDH, ZnO, ZnO@LDH in order to fabricate composite pigments with ZnO coating on LDH using the simultaneous precipitation method.SEM, XRD and UV-vis-NIR spectrophotometric analyzes were used to describe the synthesized compounds. ZnO and LDH have always been known as two UV absorbing minerals. ZnO coating on ZnAl_LDH according to the results of UV – vis-NIR analysis showed spectrophotometric effect of UV absorption.
Keywords UV shielding ,Double layered hydroxide ,ZnO@ZnAl_LDH nanocomposite
 
 

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