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    1. Wuxi Binhu Trading Co., Ltd.


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      Acrylic acid
      Acrylic acid
      Acrylic acid is an organic compound of the formula C3H4O2 and is the simplest unsaturated carboxylic acid consisting of a vinyl group and a carboxyl group. Pure acrylic acid is a colorless, clear liquid with a characteristic pungent odor. It is miscible with water, alcohol, ether and chloroform and is prepared from propylene obtained from a refinery.
      Physical properties
      CAS No. 79-10-7
      Melting point (°C) 13.5
      Relative density (water = 1) 1.05
      Boiling point (°C) 141
      Relative vapor density (air = 1) 2.45
      Flash point (°C) 68.3
      Log value of Octanol / water distribution coefficient 0.36
      Saturated vapor pressure (kPa) 1.33 (39.9 ° C)
      Solubility: Miscible with water, miscible in ethanol and ether.
      Appearance & Properties: A colorless liquid with a pungent odor.
      Role and Uses
      Important organic synthetic raw materials and synthetic resin monomers are ethylene monomers with very fast polymerization rates. Most are used to make acrylates such as methyl acrylate, ethyl ester, butyl ester, and hydroxyethyl ester. Acrylic acid and acrylate may be homopolymerized and copolymerized, or may be copolymerized with monomers such as acrylonitrile, styrene, butadiene, vinyl chloride and maleic anhydride. Its polymers are used in synthetic resins, adhesives, synthetic rubber, synthetic fibers, superabsorbent resins, pharmaceuticals, leather, textiles, chemical fiber, building materials, water treatment, petroleum extraction, coatings and other industrial sectors. Acrylic acid is one of the important raw materials for water-soluble polymers. Graft copolymerization with starch can produce super absorbent; [3]
      Preparation of acrylic resin, rubber synthesis, coating preparation, pharmaceutical industry; [3]
      Main application areas:
      (1) warp yarn slurry
      The warp-slurry slurry prepared from raw materials such as acrylic acid, methyl acrylate, ethyl acrylate, acrylonitrile, ammonium polyacrylate, etc., is desizing less than the volume of the slurry on the polyvinyl alcohol to save starch. [4]
      (2) Adhesive
      The copolymer latex of acrylic acid, methyl acrylate, ethyl acrylate, 2-ethylhexyl acrylate or the like can be used as an adhesive for electrostatic flocking and planting, and has good fastness and good hand feeling. [4]
      (3) water thickener
      A high molecular weight powder is prepared from a copolymer of acrylic acid and ethyl acrylate. It can be used as a thickening agent for oil fields. It can increase 500t of crude oil per ton of product, and it has better oil recovery effect for old wells.
      (2) Acrylic acid, methyl acrylate, ethyl acrylate, 2-ethylhexyl acrylate, etc. for adhesive; [3]
      (4) coated paper finishing agent
      Using quaternary copolymer latex such as acrylic acid, n-butyl acrylate, 2-ethylhexyl acrylate or styrene as coated paper coating, the color retention is not yellow, the printing performance is good, and the non-stick roller is better than styrene-butadiene latex. Dry curcumin; [3]
      (5) Polyacrylates
      A variety of polyacrylate products (such as ammonium salts, sodium salts, potassium salts, aluminum salts, nickel salts, etc.) can be produced by using acrylic acid. Used as agglomerating agent, water treatment agent, dispersing agent, thickener, food preservative, acid and alkali desiccant, softener and other polymer additives
      Precautions for use
      Health hazards: This product has a strong stimulating effect on the skin, eyes and respiratory tract.
      Explosion hazard: This product is flammable, corrosive and irritating, and can cause burns to human body.
      Skin contact: Immediately remove contaminated clothing and rinse with plenty of running water for at least 15 minutes. Seek medical attention.
      Eye contact: Immediately lift eyelids and rinse thoroughly with plenty of running water or saline for at least 15 minutes. Seek medical attention.
      Inhalation: Remove quickly from the scene to fresh air. Keep the airway open. If breathing is difficult, give oxygen. If breathing stops, perform artificial respiration immediately. Seek medical attention.
      Ingestion: Rinse mouth with water and drink milk or egg white. Seek medical attention.
      Hazardous combustion products: carbon monoxide, carbon dioxide.
      Fire fighting methods: Firefighters should wear gas masks and put them on the wind in a windward direction. The liquid is escaping with water to dilute it into a non-combustible mixture, and the firefighters are protected by misty water.
      Extinguishing media: water spray, anti-solvent foam, dry powder, carbon dioxide. [3]
      Accidental release measures: Quickly evacuate personnel from the contaminated area to a safe area, and isolate them, strictly restricting access. Cut off the fire source. It is recommended that emergency personnel wear self-contained positive pressure breathing apparatus and wear acid and alkali protective overalls. Do not touch the spill directly. Cut off the source of the leak as much as possible. Prevent entry into restricted spaces such as sewers and flood drains. Small spill: Adsorb or absorb with sand or other non-combustible materials. Large amount of leakage: Construct a dike or digging pit. Transfer to a tank truck or special collector with an explosion-proof pump, recycle or transport to a waste disposal site for disposal.
      Handling precautions:
      Closed operation, enhanced ventilation. Operators must be specially trained to strictly follow the operating procedures. It is recommended that the operator wear a self-priming filter gas mask (full face mask), wear rubber acid and alkali resistant clothing, and wear rubber acid and alkali resistant gloves. Keep away from fire, heat, and smoking in the workplace. Use explosion-proof ventilation systems and equipment. Prevent vapors from leaking into the workplace air. Avoid contact with oxidants and alkalis. Pay particular attention to avoid contact with water. Lightly load and unload during handling to prevent damage to packaging and containers. Equipped with the corresponding variety and quantity of fire-fighting equipment and leakage emergency treatment equipment. Empty containers may be harmful residues.
      Storage Precautions: Usually the product is added with a polymerization inhibitor. Store in a cool, ventilated warehouse. Keep away from fire and heat. The temperature of the reservoir should not exceed 5 ° C (except in pressurized containers). The humidity in the library is preferably not more than 85%. The package is sealed and must not be in contact with air. It should be stored separately from oxidants and alkalis, and should not be mixed. Not suitable for large storage or long-term storage. Explosion-proof lighting and ventilation facilities are used. It is forbidden to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with leakage emergency treatment equipment and suitable containment materials.

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