1、Highly transparent, hydrophobic, hard and flexible coatings based on a

In this work, a novel hydrophobic melamine was prepared by modifying melamine with stearyl chloride. Based on the hydrophobic melamine and alcohol modifier, a novel MF resin was prepared, which was used to fabricate high-transparency hydrophobic coatings.

2、Polyethylene glycol modified melamine resin and preparation method

A technology of polyethylene glycol modification and melamine resin, which is applied in the field of polymer materials, can solve the problems of water absorption and heat resistance, and achieve the effects of improving water solubility, improving comprehensive performance, and improving brittle defects

3、Effects of polyethylene glycol on the flexibility of cold

Polyethylene glycol (PEG) was used as the modifying agent of cold-setting melamine–urea–formaldehyde (MUF) resin adhe-sive in this work. Efects of the amount of PEG on the flexibility of MUF resin, and its bonding properties, as well as water resistance were studied.

Polyethylene glycol modified melamine aldehyde resin and

首页 / 国际专利分类库 / 化学;冶金 / 有机高分子化合物;其制备或化学加工;以其为基料的组合物 / 加工;配料的一般工艺过程;不包括在C08B,C08C,C08F,C08G或C08H小类中的后处理 / 其特征在于使用醛或酮的缩聚物 (与多元醇的入C08J2359/00;与多元腈的入C08J2377/00);及 ...

High impact strength modified Melamine–Formaldehyde resin

Two kinds of modified melamine–formaldehyde (MF) resin with high impact strength were prepared, especially the modified MF resin with the special “building blocks” structure.

Synthesis and Property of Siloxane and other Modifier Modified Melamine

This work reports melamine resin was modified with siloxane, Polyvinyl alcohol (PVA) and polyethylene glycol (PEG) to improve its structure and properties, and accomplished a wide research and study on the effect of different reaction conditions, including temperature, PH and solid contents.

Preparation of a novel melamine formaldehyde resin with palmitoylated

PMF resin exhibits excellent direct coating capabilities on a variety of substrates and surface functionalities. PMF coating exhibits surface hydrophobic function, high light transmission, flame retardancy and other excellent properties.

Study on Melamine

The results showed that the introduction of polyethylene glycol greatly improved the strength and toughness of MUF resin. When the amount was less than 8%, polyethylene glycol had both...

Polyethylene glycol modified melamine resin synthesis process

A resin synthesis process and polyethylene glycol modification technology, which is applied in the field of polyethylene glycol-modified melamine resin synthesis process, can solve problems such as poor stability, and achieve the effects of easy implementation, uniform molecular weight, and reasonable synthesis process design

Effects of polyethylene glycol on the flexibility of cold

Polyethylene glycol (PEG) was used as the modifying agent of cold-setting melamine–urea–formaldehyde (MUF) resin adhesive in this work. Effects of the amount of PEG on the flexibility of MUF resin, and its bonding properties, as well as water resistance were studied.

In the field of chemical materials today, the development and application of novel materials are key drivers of technological advancement and industrial upgrading. Polyethylene glycol (PEG)-modified melamine resin, as an emerging composite material, has attracted significant attention from researchers and the industrial sector due to its unique properties and broad application prospects. This article explores in depth the properties, preparation methods, and potential applications of PEG-modified melamine resin in various fields.

I. Introduction to Polyethylene Glycol (PEG)-Modified Melamine Resin

Polyethylene glycol (PEG) is a linear polymer known for its excellent biocompatibility and hydrophilicity, making it widely used in biomedical fields. Melamine resin, on the other hand, is a thermosetting resin synthesized from melamine and formaldehyde, characterized by good mechanical properties and chemical stability. When these two materials are combined, the resulting PEG-modified melamine resin integrates the high hydrophilicity of PEG with the robust mechanical strength and thermal resistance of melamine resin, endowing the composite with superior overall performance.

II. Properties of PEG-Modified Melamine Resin

1. High Hydrophilicity: The hydroxyl groups in PEG molecular chains can form hydrogen bonds with water molecules, enabling the material to exhibit exceptional hydrophilicity. This allows rapid water absorption or swelling upon contact with moisture, making it suitable for applications requiring quick water uptake or retention, such as biomedical materials and plant growth promoters.

2. Excellent Biocompatibility: The incorporation of PEG into melamine resin significantly improves biocompatibility while retaining the original advantages of melamine resin. This reduces potential irritation to biological tissues, minimizes toxicity, and enhances clinical safety for biomedical applications.

3. Superior Mechanical Performance: Melamine resin inherently offers strong mechanical strength and rigidity. PEG modification preserves these traits while enhancing toughness, making the material more resistant to external forces. This suits it for applications like high-strength wear-resistant materials or impact-resistant protective equipment.

4. Good Thermal Stability: PEG-modified melamine resin maintains its physical and chemical properties at high temperatures, opening new avenues for research and application of heat-resistant materials.

III. Preparation Methods for PEG-Modified Melamine Resin

1. Melt Blending Method: Melamine resin and PEG are mixed in specific ratios, melted, and then cooled and solidified. While simple, this method may struggle with uniform PEG dispersion.

2. Solution Casting Method: PEG is dissolved in an appropriate solvent, and melamine resin is dispersed in water to form a uniform solution. The two solutions are combined and cast into molds. This approach improves PEG dispersion but requires precise control of solvent types and amounts.

3. Interfacial Polymerization Method: Uniform PEG dispersion in melamine resin is achieved by controlling reaction conditions such as temperature and pressure. This yields higher-performance products but involves more complex operations.

IV. Applications of PEG-Modified Melamine Resin

1. Biomedical Materials: Due to its biocompatibility and hydrophilicity, PEG-modified melamine resin can be used to fabricate artificial skin, bone repair materials, and drug delivery systems.

2. Agricultural Field: As a novel fertilizer carrier, it improves fertilizer utilization efficiency and reduces environmental pollution.

3. Industrial Applications: In manufacturing, the material is employed to produce wear-resistant, impact-resistant protective equipment and high-performance construction materials.

PEG-modified melamine resin has become a research hotspot in materials science due to its unique properties and vast application potential. With ongoing advancements in preparation techniques and expanding application areas, innovative products based on this material are expected to emerge, delivering greater benefits to human society.