1、(PDF) Synthesis and characterisation of alkyd resins
In this work, glutamic acid as well as N-acylated and N-alkylated derivatives there of were evaluated as bio-based substitutes for these aromatic diacid monomers in the synthesis of alkyd...
2、Synthesis and characterisation of alkyd resins with glutamic acid
Alkyd resins are versatile polymers which have applications in inks and various coatings like decorative paints. They are mainly composed of fatty acids, polyols and aromatic diacids.
3、Hybrid alkyds, the glowing route to reach cutting
Abstract This review highlights both the various polymers grafted to alkyd resins reported in the literature and the different routes to synthesize these alkyd hybrids. Alkyd resins were discovered in the mid-1920s.
4、Alkyd Resin Synthesis
Alkyd resins naturally cross-link in the presence of oxygen through the process of autoxidation. This relatively slow process can be accelerated with metal salts of alkali earth or heavy metals called driers.
5、Synthesis and characterisation of alkyd resins with glutamic acid
Alkyd resins are versatile polymers which have applications in inks and various coatings like decorative paints. They are mainly composed of fatty acids, polyols and aromatic diacids.
Preparation and evaluation of high
Recently, researchers have synthesized and characterized alkyd resin from Delonix regia (Flamboyant) seeds for use in surface coating applications (3). Alkyd resins are versatile binders that are utilized in a variety of applications, including industrial, decorative, and architectural coatings.
Alkyd Resins
It is a thermosetting synthetic polymer made from a polybasic acid (a molecule with two or more acid groups), polyhydric alcohol (a molecule with two or more hydroxyl groups), and fatty acid.
glutamic acid
Synthesis and characterization of alkyd resins with glutamic acid-based monomers ,a Dries Jonckheere,a Dirk Mestach,b and Dirk E. De
(PDF) Alkyd resins produced from bio
Alkyd resins are synthetic resins in which both renewable (fatty acids, glycerol, oil, etc.) and nonrenewable (maleic anhydride, pentaerythritol, phthalic anhydride, etc.) raw materials are...
Synthesis and characterisation of alkyd resins with glutamic acid
Alkyd resins are versatile polymers which have applications in inks and various coatings like decorative paints. They are mainly composed of fatty acids, polyols and aromatic diacids.
Alkyd resins, as a time-tested class of synthetic materials, have gained widespread applications across diverse fields due to their unique chemical structures and exceptional physical properties. These polymeric compounds, synthesized via reactions between alcohols and anhydrides or acids, exhibit excellent weather resistance, chemical stability, and processability. This article explores the monomers used in alkyd resin synthesis and analyzes their impact on resin performance.
Alcohol Monomers
Alcohol monomers form the foundational units of alkyd resins, reacting with anhydrides or acids through addition polymerization to create high-molecular-weight chains. Common alcohol monomers include methanol, ethanol, propanol, and butanol. The selection of these monomers directly influences the resin’s initial molecular weight, solubility, and final performance. For instance, low-molecular-weight alcohols accelerate curing, while higher-molecular-weight counterparts enhance durability and flexibility.
Anhydride or Acid Monomers
In addition to alcohols, anhydrides or acids are critical components of alkyd resins, participating in esterification (transesterification) reactions. The choice of these monomers significantly affects the resin’s properties. Aromatic anhydrides (e.g., those containing benzene rings) improve heat resistance and chemical corrosion resistance, while aliphatic acid monomers enhance mechanical strength and processability.
Crosslinking Agents
To reinforce structural stability and mechanical strength, crosslinking agents are often incorporated. These agents react with active groups (e.g., hydroxyls) in the resin, introducing additional crosslinking points. The type and dosage of crosslinking agents critically influence performance: optimal usage ensures robust mechanical properties, whereas excess may lead to brittleness or elevated costs.
Additives
Various additives are employed to tailor specific properties of alkyd resins. Antioxidants delay long-term degradation, UV absorbers shield against sunlight damage, and fillers/pigments adjust color and aesthetics. These additives enable customization for decorative or functional purposes.
The synthesis of alkyd resins involves intricate interactions among monomers, crosslinking agents, and additives. By precisely controlling and optimizing these components, resin properties—such as hardness, flexibility, wear resistance, chemical stability, and environmental adaptability—can be finely tuned. As materials science advances, alkyd resins are poised to expand their roles in aerospace, automotive manufacturing, architectural coatings, and other high-demand industries, cementing their significance in modern technology.
