LET'S TAKE A LOOK AT WHAT IS KONW PHENOL-FORMALDEHYDE RESIN?

We usually see a lot of resins, and their uses are very extensive. Do you know phenol-formaldehyed resin? Let me explain to you today.

Liquid phenolic resin is yellow, dark brown liquid, such as: alkaline phenolic resin is mainly used as casting binder.

The production and use of phenolic resin will pollute the environment to a certain extent and affect the whole ecological environment. However, paying attention to or strengthening the treatment of pollution, including wastewater treatment and recycling of waste phenolic resin products and their composites, can make phenolic resin develop healthily and rapidly.

The new phenolic resin is a high molecular compound produced by condensation reaction of phenol and aryl ether. New phenolic resin has good mechanical properties and heat resistance, which is widely used in diamond products, grinding wheel manufacturing and other industries. New phenolic resin has strong bonding force, good chemical stability, high heat resistance, small shrinkage when hardening, and stable product size. The bond strength increased by more than 20% than that of phenolic resin, and the heat resistance increased by more than 100 degrees. The new phenolic resin products can be used for 250 days, and the products are wet and alkali resistant.

The equipment for producing phenolic resin is generally a reaction kettle.

Reaction kettle is a pressure vessel widely used in petroleum, chemical industry, rubber, pesticide, dyestuff, medicine and food. It is used to complete sulfurization, nitration, hydrogenation, alkylation, polymerization, condensation and other technological processes. Some friends are used to call reactors, reaction pots, decomposition pots, polymerization kettles, etc. The materials are generally carbon-manganese steel, stainless steel, and so on. Zirconium and nickel base (Hastelloy, Monel, Inconel) alloy and other composite materials.

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