Results 21 to 30 of about 7,206 (223)
Археология евразийских степей, 2021 It has been archaeologically proven that the representatives of the clan nobility of Sayan-Altai tribes used lacquer products in everyday life as early as in the Scythian period. In later complexes, lacquer objects, as well as objects coated with lacquer,
Kamilla B. Kalinina +2 more
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, 2013 北見工業大学博士（工学）Lacquer polysaccharides, which exist in the sap of Asian lacquer tree, are highly branched acidic polysaccharides with 1,3-β-galactan backbone and glucouronic acid terminals.
39478, BAI, Yuting
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Influence Law of Film Formation Conditions on the Properties of Different Types of Raw Lacquers [PDF]
Cailiao BaohuAs a natural coating，raw lacquer was once known as the "king of coatings".In this study，representative types of raw lacquer，including refined raw lacquer，transparent raw lacquer，black raw lacquer，and red raw lacquer，were selected as research objects.The ...
WEN Juanjuan, LIU Langlang, LI Yan, SUN Lei, LI Dongxu, CHEN Dawei
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Maderas: Ciencia y Tecnología, 2023 The aim of this study was to determine the usability of selected natural dye extracts as environmentally friendly colorants that are used in painting of MDF based furniture and evaluate their resistance to scratch resistance, adhesion resistance, and ...
Osman Goktas +2 more
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Oriental Lacquers IX. Polymerizable Ultraviolet Stabilizers for Oriental Lacquers [PDF]
Polymer Journal, 1995 This paper describes interesting results based on the preparation and utilization of UV stabilizers for Urushi. Ultraviolet stabilizers suitable for protecting coatings of oriental lacquers against the damaging effects of UV radiation were synthesized. 2-(2-Hydroxy-3-tertiary-butyl-5-[3′-hydroxypropyl]phenyl)-2H-benzotriazole (Bzt) was esterified with ...
Bartus, Jan +2 more
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Japan: The Earliest Evidence of Complex Technology for Creating Durable Coloured Goods
Open Archaeology, 2018 The invention of lacquer technology is significant in history as the first evidence of the use of an organic substance in creating durable coloured objects.
Matsumoto Naoko
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A Study on the Improvement of Using Raw Lacquer and Electrospinning on Properties of PVP Nanofilms
Nanomaterials, 2020 Raw lacquer (RL), ethanol being used as the solvent, was added to polyvinyl pyrrolidone (PVP) and then electrospun into RL/PVP nanofilms. Manufacturing parameters such as RL/PVP ratio, voltage, flow velocity, needle type, and the distance between syringe
Kunlin Wu +4 more
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漆籽油的脱蜡工艺Dewaxing process of lacquer seed oil
Zhongguo youzhi, 2022 为提高漆籽油质量，以陕西漆树籽为原料，研究了漆籽仁预处理方法对提取漆籽油的影响，通过正交试验优化了漆籽油精制脱蜡的工艺条件，研究了助滤剂添加量对蜡晶过滤速度的影响，并测定了漆籽油的理化指标，脂肪酸、维生素E和植物甾醇组成及含量。结果表明：热碱水处理漆籽仁所提取的漆籽油品质更好，此工艺也更适于实际生产；适合规模化生产的漆籽油精制脱蜡最佳工艺条件为降温速率1.0 ℃/h、养晶温度5 ℃、搅拌速度20 r/min；加入2.0%的珍珠岩作助滤剂，油蜡分离速度最快；在上述条件下，漆籽油脱蜡率为95.88 ...
余玲1，毛振涛1，张小勇2 YU Ling1， MAO Zhentao1， ZHANG Xiaoyong2
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Frontiers in Pharmacology, 2022 Background: In southwest China, especially in Nujiang, lacquer oil from the drupes of Toxicodendron vernicifluum (Stokes) F. A. Barkley, including black lacquer oil (BLO) and white lacquer oil (WLO), is one of the most important edible oils for the local
Liya Liu +11 more
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