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Crystalline Antimony Glycol
Key Word:
Crystalline Antimony Glycol
- Product Description
- Application Market
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- Commodity name: Crystalline Antimony Glycol
Crystalline ethylene glycol antimony is a new antimony based catalyst applied in the production of polyester (PET) after antimony trioxide and antimony acetate. Compared with antimony trioxide and antimony acetate, ethylene glycol antimony has the following characteristics: 1. The molecular structure of the catalyst makes it easier to undergo electron transfer with polyester molecules, thereby exhibiting higher catalytic activity; 2. It will not bring any impurities to the condensation reaction and is cleaner than antimony trioxide and antimony acetate; 3. Among all soluble antimony catalysts, antimony content is the highest; 4. Polyester products have better color, thermal stability, and more concentrated molecular weight distribution; 5. Wide applicability, suitable for ester exchange and direct esterification processes, existing blending facilities do not need to be modified; 6. It can improve the application environment of catalysts and reduce the production cost of polyester; 7. Eliminated water pollution caused by the use of antimony acetate. Our company's ethylene glycol antimony production facility adopts a series of patented technologies and specialized equipment for production, with independent intellectual property rights. The designed production capacity is 4000 tons/year, and the production process has the characteristics of intrinsic safety, green environmental protection, and high efficiency. The ethylene glycol antimony produced has the advantages of stable product quality, good storage stability, and high catalytic activity.
1. Basic Information
Product Name Crystal ethylene glycol antimony English name Ethylene glycol antimony Chemical formula Sb2（OCH2CH20）3 Molecular weight 423.5 CAS login number 29736-75-2 UN Dangerous Goods Number Main purpose is mainly used in the polycondensation reaction of polyester industry Hazard Overview Non flammable, decomposes into ethylene glycol and flame retardant antimony trioxide when in contact with water, non-toxic and odorless, harmful to water bodies and human health. Rinse immediately with water after contact Emergency consultation hotline +(86)- 2. Product Introduction
Crystalline ethylene glycol antimony is a new antimony based catalyst applied in the production of polyester (PET) after antimony trioxide and antimony acetate. Compared with antimony trioxide and antimony acetate, ethylene glycol antimony has the following characteristics: 1. The molecular structure of the catalyst makes it easier to undergo electron transfer with polyester molecules, thereby exhibiting higher catalytic activity; 2. It will not bring any impurities to the condensation reaction and is cleaner than antimony trioxide and antimony acetate; 3. Among all soluble antimony catalysts, antimony content is the highest; 4. Polyester products have better color, thermal stability, and more concentrated molecular weight distribution; 5. Wide applicability, suitable for ester exchange and direct esterification processes, existing blending facilities do not need to be modified; 6. It can improve the application environment of catalysts and reduce the production cost of polyester; 7. Eliminated water pollution caused by the use of antimony acetate
Our company's ethylene glycol antimony production facility adopts a series of patented technologies and specialized equipment for production, with independent intellectual property rights. The designed production capacity is 4000 tons/year, and the production process has the characteristics of intrinsic safety, green environmental protection, and high efficiency. The ethylene glycol antimony produced has the advantages of stable product quality, good storage stability, and high catalytic activity
Technical indicators of crystalline ethylene glycol antimony
Serial number Project Unit Premium product Qualified product 1 Appearance / White or pale white crystalline powder White or pale white crystalline powder 2 Antimony content %(W) 56.5~58.0 56.5~58.0 3 Chloride (CI) %(W) ≤ 0.01 ≤ 0.01 4 Sulfate (SO42-) %(W) ≤ 0.01 ≤ 0.01 5 Iron %(W) ≤ 0.001 ≤ 0.001 6 Arsenic %(W) ≤ 0.0015 / 7 Lead %(W) ≤ 0.001 ≤ 0.001 8 Tartaric acid insoluble substance %(W) ≤ 0.01 ≤ 0.01 9 Dissolved transmittance % ≥ 96 ≥ 96 10 Dry weight reduction %(W) ≤ 0.5 ≤ 0.6 11 L / ≥ 95 ≥ 94 12 a / -0.4~0.4 / 13 b / ≤ 2.5 ≤ 3.0 4. Product packaging and transportation methods:
10-25kg vacuum bags or barrels, transported by truck
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Applied to polyester synthesis catalysts.
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