Company News-Qianyuan New Materials-Environmentally friendly furan resin

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Furan resins are polymers synthesized from raw materials such as furfuryl alcohol and furfural, which contain a characteristic furan ring. Under the action of strong acids, these resins undergo curing to form insoluble, non-melting solid materials. Common types include furfuryl alcohol resin, furfural resin, and furanone resin. Due to the presence of stable furan rings in their molecular structure, furan resins exhibit exceptional resistance to acids, alkalis, and solvents. In recent years, the emergence of numerous novel furan resin formulations has significantly expanded their application scope. In industries such as wood processing, rubber manufacturing, metalworking, and ceramics, furan resins are widely used as binders. Additionally, they play a crucial role in the machinery industry, particularly as sand-core binders in casting processes. At room temperature, when combined with a specific organic acidic curing agent and thoroughly mixed with casting sand, furan resin-based self-hardening sand can harden on its own, leading to substantial improvements in the quality of cast components—especially within the machine tool sector.

2023

What should be noted when using furan resin?

Furan resin is a commonly used agricultural machinery component known for its outstanding corrosion resistance, heat tolerance, and the fact that its raw materials are widely available and the production process is relatively simple—features that have consistently earned it high praise from consumers. So, are you familiar with furan resin? And when using it, what precautions should you keep in mind? Let’s talk about that today. It is strictly forbidden to mix furan resin directly with its curing agent, as this could lead to an explosive reaction. Additionally, if furan resin comes into contact with skin, users may experience mild irritation. In such cases, it’s essential to rinse thoroughly with plenty of water.

2023

How to use furan resin

P-Toluenesulfonic acid reacts with bases as an organic acid, undergoing a neutralization reaction with alkaline substances. The reaction can be represented by the following equation: CH3-C6H4-SO3H + R-OH → CH3-C6H4-SO3R + H2O P-Toluenesulfonic acid is a strong, non-oxidizing organic acid—its acidity is about one million times greater than that of benzoic acid. It appears as white needle-like or powdery crystals, which are highly hygroscopic and readily dissolve in water, alcohols, and other polar solvents. When exposed to materials like paper or wood, it can cause dehydration, leading to carbonization.

2023

Applications of Furan Resin

2023

What is furan resin used for? Where can furan resin be applied?

As times have evolved, furan resin has become an indispensable product in our daily lives. To meet growing consumer demands, the functionality of furan resin has steadily improved. Today, let’s explore what furan resin is used for and where it can be applied. (1) Chemical-resistant materials: Furan resin is commonly used to produce corrosion-resistant mortars, serving as linings for chemical equipment or other durable, corrosion-proof materials. (2) Heat-resistant materials: Furan glass fiber-reinforced composites exhibit superior heat resistance compared to conventional phenolic glass fiber-reinforced composites, typically allowing for long-term use at temperatures around 150°C.

2023

Let me introduce you to the origins of unsaturated resins—furan resins!

Furan resin is currently the most widely used resin in China. It is based on furfuryl alcohol and derives its name from the unique furan ring present in the molecule. As a casting binder, furan resin is typically produced by condensing furfuryl alcohol with substances such as urea, formaldehyde, or phenol; its main components include furfuryl alcohol, urea-formaldehyde resin, and phenol-formaldehyde resin. Liquid furan resin undergoes a condensation reaction when exposed to heat or acid, leading to the formation of a three-dimensional network structure that results in curing.

2023

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