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Reaction kettle for polyester polyol equipment

Author: source: Datetime: 2019-05-28 15:29:30

Polyester polyols, whose English name is polyester polyol, are usually formed by condensation (or transesterification) of an organic dicarboxylic acid (anhydride or ester) with a polyol (including a diol) or by polymerization of a lactone with a polyol. The dibasic acid is phthalic acid or phthalic anhydride or an ester thereof, adipic acid, halogenated phthalic acid or the like. The polyhydric alcohol is ethylene glycol, propylene glycol, diethylene glycol, trimethylolpropane, pentaerythritol or the like. Different types of polyester polyols have different properties or different preparation processes and different properties. Several indexes that are important for polyester polyols are hydroxyl value, acid value, moisture, viscosity, molecular weight, density and color. . Characteristics and Uses of Polyester Polyols: Polyester polyurethanes contain a large number of polar groups such as ester groups and amino groups in the molecule, have strong cohesive strength and adhesion, and have high strength and wear resistance.

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Polyester polyols are one of the main raw materials for the production of polyester polyurethanes. Polyester polyols of various specifications and types can be reacted with polyisocyanates to form polyurethanes. Used in the manufacture of polyurethane rigid foams, elastomers, adhesives, coatings, etc. It is widely used in exterior wall insulation, waterproof, plastic track, floor, flexible packaging, tires, textiles and other fields.

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The main domestic producers of polyester polyols are Shandong Yantai Synthetic Leather Factory, Shandong Yantai Huada Chemical Industry Co., Ltd., Qingdao Xinyutian Chemical Co., Ltd., Zhejiang Huafeng Polyurethane Co., Ltd., Changxing Chemical Industry (Guangdong) Co., Ltd., Shanghai Excellent Ester Chemicals Co., Ltd., Foshan Gaoming District, Guangdong Province, Polyurethane Co., Ltd., etc., and the main suppliers of polyester polyol equipment are Guangdong Foshan Nanhai Jinyutai Machinery Equipment Co., Ltd., etc. The equipment for producing polyester polyols is mainly The reaction kettle is a typical main reaction equipment in chemical production. It is widely used in the production of chemical products such as resins, adhesives, paints, cosmetics, pharmaceuticals, etc., by mixing, mixing, heating and cooling various materials. Vacuum is applied to allow the material to react and polymerize. The reactor generally consists of a kettle body, a transmission device, a stirring device, a heating device, a cooling device, and a sealing device. JCT has rich experience in mechanical technology and has won the appreciation of customers in the industry. It has maintained good cooperative relations with many well-known companies and is your first choice for purchasing all kinds of chemical equipment!

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