Alkyd - Wikipedia
Alkyds are a synthetic resin and used in items such as paints. They are not the same as resin derived from natural sources such as plants. For the drying resins, triglycerides are derived from poly unsaturated fatty acids (often derived from plant and vegetable oils , e.g. linseed oil ).
醇酸树脂 - 百度百科
alkyd resins.glycerol -phthalic resin.，由 多元醇 、邻苯二甲酸酐和脂肪酸或油（甘油三脂肪酸酯）缩合聚合而成的油改性 聚酯树脂。 按 脂肪酸 （或油）分子中双键的数目及结构，可分为 干性 、半干性和非干性三类。 干性 醇酸树脂可在空气中固化；非干性醇酸树脂则要与 氨基树脂 混合，经加热才能固化。 另外也可按所用脂肪酸（或油）或 邻苯二甲酸酐 的含量，分为短、中、长和极长四种 油度 的醇酸树脂。 醇酸树脂固化成膜后，有光泽和韧性，附着力强，并具有良好的 …
Alkyd - an overview | ScienceDirect Topics
Alkyds are polyesters derived as the reaction products of vegetable oil triglycerides, polyols (e.g. glycerol), and dibasic acids or their anhydrides (e.g. phthalic anhydride). They are generally formulated with very different end uses in mind, and classified according to vegetable oil content (described by the term ‘oil length’) in three ...
Alkyd Resins - an overview | ScienceDirect Topics
Alkyd resins are classified as the thermoplastic organic polyesters which are synthesized via polycondensation reaction of three kinds of components including a polyhydric alcohol, a polybasic acid or their anhydrides, and fatty acids or triglyceride oils. You might find these chapters and articles relevant to this topic. Shahla Ataei, ...
Alkyd resin | Uses, Properties & Manufacturing Process | Britannica
alkyd resin, a complex oil-modified polyester that serves as the film-forming agent in some paints and clear coatings. Developed in the 1920s, alkyd-based enamel paints were once one of the most important types of surface coating.
What Are Alkyds? Complete Guide to Their Uses and Benefits
2024年6月28日 · Alkyds, or alkyd resins, are polyester resins modified by the addition of fatty acids and other components. These synthetic resins are known for their excellent binding properties, making them a popular choice in the production of …
Alkyd Resins - an overview | ScienceDirect Topics
Alkyd resins have low molecular weights, varied from 2000 to 10,000. They do however include unreacted hydroxyl and acid groups that can combine with other molecules or oxygen to produce a solid binder. The presence of a VOs fatty acid promotes the formation of flexible coatings. Alkyds are used in paints, varnishes, and casting moulds.
Basics of Alkyd Resin Technology - Prospector Knowledge Center
2016年3月4日 · Although alkyds are no longer the largest volume resin type used in coatings, they still play a significant role in the coatings industry, not only because of their versatility, but also because they employ a significant amount of renewable material. The term alkyd is derived from alcohol and acid.
An Overview of Alkyd Resins - Corrosionpedia
2020年2月13日 · An alkyd is an ester-based polymer derived from the polycondensation reaction of a polyhydric alcohol and a polybasic acid. In addition to these ingredients, the resulting resin is modified with an oil or a fatty acid to make it more flexible and to air harden it.
Alkyd Resin Synthesis - SpringerLink
2014年1月1日 · An alkyd is a polyester resin commonly derived from fatty acids, polyhydric alcohol, and dibasic acids, which has many applications in the coatings industry due to its low cost, broad functionality, and production from renewable seed oils. Alkyd is a term to describe special types of polyester resins that are modified with monobasic fatty acids.
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