1、Alkyd resins: Versatile bio

Several aliphatic and aromatic poly (acid)s or their anhydrides have been reported for synthesis of alkyd resins, such as adipic acid, maleic acid, fumaric acid, succinic acid, glutaric acid, phthalic acid, isophthalic acid, terphthalic acid and many others.

2、Extraction, Synthesis and Characterization of an Alkyd Resin from

However, due to its high melting point of 330 ̊C, which is above the reaction temperature of 230 ̊C - 250 ̊C, the use of isophthalic acid in the synthesis of alkyd resin presents an issue of longer reaction time and higher temperature.

3、Synthesis and characterisation of alkyd resins with glutamic acid

Several alkyd resins were prepared by treating a mixture of fatty acid (s), a polyol and various diacids at high temperature. Isophthalic acid, which is typically applied in the industrial production of alkyd resins, was in this study partially replaced by a bio-based, non-aromatic diacid.

4、Alkyd resins produced from bio

Alkyd resins are commonly employed as binders, adhesives, and plasticizers in surface coatings. They are made by combining polyols and anhydrides or acids such as maleic anhydride, phthalic anhydride, and isophthalic acid with fatty or oily fatty acids in a condensation polymerization reaction.

5、(PDF) Alkyd Resins

Orthophthalic acid, used predominantly in alkyds, offers a balance of properties, while isophthalic acid yields tougher, faster-drying films due to its structural characteristics, enhancing the overall performance of coatings.

SYNTHESIS AND CHARACTERIZATION OF NEW ALKYD RESINS

The preparation of alkyd resins can be achieved by condensation polymerization of a polyhydric alcohol (e.g. glycerol) and polyfunctional acid or polybasic acids (e.g. phthalic anhydride...

Synthesis and Characterization of Soya Fatty Acid

Water-based self-emulsifying alkyd resins were prepared from soya oil fatty acid, phthalic anhydride, isophthalic acid, benzoic acid, and polyols with different functionality viz. 2-butyl-2-ethyl-1,3-propane diol, trimethylol propane, pentaerythritol, and di-pentaerythritol.

Impact of Phase Inversion and Process Parameters on Alkyd Emulsion

The main objective of this study is to synthesize emulsified alkyd resins by replacing solvents with water, using nonionic and anionic surfactants, for the alkyd resins widely used in the paint industry for many years.

Alkyd Resin Synthesis

Three common methods for alkyd resin synthesis are the monoglyceride process, the fatty acid process, and acidolysis. The monoglyceride process typically uses glycerol as the polyol.

Synthesis and characterisation of alkyd resins with glutamic acid

Several alkyd resins were prepared by treating a mixture of fatty acid(s), a polyol and various diacids at high temperature. Isophthalic acid, which is typically applied in the industrial production of alkyd resins, was in this study partially replaced by a bio-based, non-aromatic diacid.

In today's industrial sector, advancements in materials science are one of the key factors driving social progress. Among these, alkyd resins, as an important class of synthetic materials, have a profound impact on industrial production due to their performance and expanding application fields. This article will focus on the process of synthesizing alkyd resins using isophthalic acid (IPA) and discuss the significance and applications of this process in modern industry.

Isophthalic acid is a crucial organic chemical raw material. It is not only an essential monomer for producing polyester fibers but also a key component in the preparation of alkyd resins. As high-performance coatings, adhesives, and sealing materials, alkyd resins are widely used in automotive manufacturing, architectural decoration, furniture production, and other fields.

The synthesis of isophthalic acid involves a complex chemical reaction chain with multiple steps and reactants. Initially, isophthalic acid is produced from phenol through an oxidation reaction, which is a classic organic chemical process. Subsequently, isophthalic acid undergoes a series of intricate transformations before reacting with polyols to form alkyd resins.

In the synthesis of alkyd resins, the selection of catalysts is critical. Commonly used catalysts include titanates and zirconates, which effectively promote the condensation reaction between isophthalic acid and polyols. Additionally, factors such as reaction temperature, duration, and solvent choice significantly influence the properties of the resulting alkyd resins.

The process of synthesizing alkyd resins with isophthalic acid requires not only a deep understanding of chemical principles but also optimization of chemical engineering processes. For example, adjusting reaction conditions can enhance key performance indicators such as mechanical strength, heat resistance, and chemical resistance. Simultaneously, improving production techniques can reduce costs and increase market competitiveness.

In practical applications, alkyd resins demonstrate exceptional performance. Their strong adhesion, wear resistance, and water resistance make them ideal for use in automotive paints, furniture coatings, and other areas. Furthermore, they exhibit good weatherability and chemical resistance, maintaining stability under extreme environmental conditions.

with increasing environmental protection requirements, the production and processing of alkyd resins must adhere to stricter ecological standards. This necessitates companies to prioritize waste treatment and resource recycling alongside product quality. By adopting green chemistry and clean production technologies, sustainable development in alkyd resin manufacturing can be achieved.

the synthesis of alkyd resins using isophthalic acid represents a sophisticated and precise chemical reaction sequence. Research and optimization of this process can enhance product performance while advancing technological progress and environmental preservation in the chemical industry. In the future, with the development of new materials technology, the application range of alkyd resins will continue to expand, further solidifying their vital role in modern industry.