Acrylic Acid

The primary use of acrylic acid is in the production of acrylic esters and resins, which are used primarily in coatings and adhesives. It is also used in oil treatment chemicals, detergent intermediates, water treatment chemicals, and water absorbent polyacrylic acid polymers. Acrylic acid is used widely for polymerization, including production of polyacrylates. It is a monomer for polyacrylic and polymethacrylic acids and other acrylic polymers. It is used in the manufacture of plastics, as a tackifier, as a flocculant, in the production of water-soluble resins and salts, as a comonomer in acrylic emulsion and solution polymers and in molding powder for signs, construction units, decorative emblems and insignias. It is used in polymer solutions for coatings applications, in paint formulations, in leather finishings, in paper coatings, in polishes and adhesives and in general finishes and binders.

Weatherability and heat resistance: Acrylics have good weatherability and heat resistance and are able to maintain stable performance over a wide range of temperatures, even in extreme environments.

1. Industrial preparation methods of acrylic acid
◆ The industrial preparation methods of acrylic acid mainly include cyanidation method, oxidation method and hydrolysis method.
◆ Cyanidation method is that acrylonitrile gets acrylonitrile acid nitrile through cyanidation reaction, and then gets acrylic acid through hydrolysis. This method is characterized by simplicity and high efficiency, but it is more polluting to the environment.
◆ Oxidation method is to oxidize acrylonitrile with oxygen in the air under the action of catalyst to produce acrylic acid. This method is relatively environmentally friendly, but the selection of catalyst and the control of reaction conditions are more complicated.
◆ Hydrolysis method is to react acrylonitrile with water to produce acrylic acid. This method is relatively simple, but the control of reaction conditions is more demanding.

2. Principle and steps of preparing acrylic acid by cyanidation method
◆ The principle of preparing acrylic acid by cyanidation method is to react acrylonitrile with chlorine gas to produce acrylonitrile acid nitrile.
◆ The specific steps are as follows.
(1)Add acrylonitrile and chlorine into the reactor, and make the reaction by heating and stirring.
(2)Under appropriate temperature and pressure, acrylonitrile and chlorine gas react to form acrylonitrile acid nitrile.
(3) Acrylonitrile acid nitrile is purified to obtain acrylonitrile acid by distillation and other methods.
(4) Hydrolyze the acrylonitrile acid to generate acrylic acid.

3. Principle and steps of preparing acrylic acid by oxidizing method
The principle of preparing acrylic acid by oxidation method is to oxidize acrylonitrile with oxygen under the action of catalyst to produce acrylic acid.
The specific steps are as follows.
(1)Add acrylonitrile and oxygen in the air into the reaction kettle and carry out oxidation reaction under the action of catalyst.
(2)Under appropriate temperature and pressure, acrylonitrile and oxygen undergo oxidation reaction to produce acrylic acid.
(3) Pure acrylic acid is obtained by purification of acrylic acid through distillation and other methods.

4. Principle and steps of preparing acrylic acid by hydrolysis method
◆ The principle of preparing acrylic acid by hydrolysis is to react acrylonitrile with water to produce acrylic acid.
The specific steps are as follows.
(1)Add acrylonitrile and water into the reactor and make the reaction by heating and stirring.
(2)Under appropriate temperature and pressure, acrylonitrile and water undergo hydrolysis reaction to generate acrylic acid.
(3) By distillation and other methods, the acrylic acid is purified to obtain pure acrylic acid.

1. Surface treatment: Make sure the surface to be adhered is clean, dry and free of oil. Sand the surface of the object to be bonded to improve adhesion.
2. Mixing glue: Mix glue A and glue B according to the proportions specified in the instructions and stir well. Pay attention to the proportion and mixing time to ensure the uniformity of the glue.
3. Apply glue: Apply the mixed acrylic AB glue on the surface to be bonded, try to apply a thin layer. Then align the bonding surface and apply gentle pressure to ensure a tight fit between the two bonded objects.
4. Storage of remaining adhesive: After using the remaining acrylic AB adhesive, it can be stored in a specific way to maintain its effectiveness.
5. Safety measures: Acrylic topcoat is flammable, please keep away from fire source. Smoking is prohibited within the construction area.
• Air circulation must be maintained during construction and protective measures must be taken to avoid inhaling solvent vapors or paint mist. Skin and eyes must not come into contact with acrylic oil-based finishes.
• The acrylic oil-based topcoat must be stirred well before use.
• Acrylic oil-based finishes should be thinned with the specified thinner.

Acrylic acid is an open, cyclic organic substance that has two carbon atoms and consists of the unit -COOCH3, which has the structural short form CH2=CHCOOH. acrylic acid is more [[]] than other organic substances, and therefore it has a very wide range of applications.
Because of its double bond properties, acrylic acid is extremely flexible and can be used to synthesize different organic compounds such as polyurethane rubber, synthetic rubber, cellulose ether, hot stamping oils and esters by coordinating with other organic substances. In the medical field, acrylic acid is used in human cell tissue engineering, and can be used for oral cavity repair and skin repair, among others.
Acrylic acid is also used in food products such as cocoa powder, syrups, candies, and flavorings. In addition, acrylic acid is often used as a solvent to use other organics such as inks, paints, lacquers, latex paints, and more.
Acrylic acid is a very important organic substance that plays an important role in the manufacture of food and other organic products. With this in mind, acrylic acid necessitates a great deal of research to determine how best to utilize its technology for people's lives.

Kaitai Petrochemical was founded in July 2004. With the strong support of all sectors of society, it established a subsidiary in Gaoqing County in 2011 and officially put into production in October 2013. Since 2018, Kaitai has newly put into operation the 180000 tons high-end white oil project of its subsidiary. Kaitai Petrochemical has developed into a diversified chemical group company.
Shandong kaitai is located in beautiful Qi ancient capital- Zibo, which enjoys superior geographic position and convenient traffic- north to Huanghe River, east to Qingdao port, and south to the Jinan airport, Shandong Kaitai never ceases its effort to serve customers, and sold acrylic acid esters to most parts of China and overseas. Kaitai is a comprehensive enterprise integrating acrylic acid, acrylic ester and white oil production.
Shandong Kaitai Petrochemical adheres to the enterprise tenet of "pursuing high-quality development of the enterprise, rewarding shareholders, "Constantly improve the happiness index of employees and take the road of common prosperity", implements sunshine management, develops with customers, grows with employees. Fulfill social responsibility and build a respected enterprise; Fulfill economic responsibilities, build an enterprise with good benefits and prospects, make employees rich together, have higher income, better welfare, more status and dignity, create a happy place, live better and realize the dream of Kaitai.
Shadong Kaitai has more than 1000 employees, including 200 with medium and senior professional titles. Shandong Kaitai was qualified to be national "three systems" certified enterprise; Shandong acrylate Engineering Technology Research Center; High tech enterprises in Shandong Province; Shandong honest enterprise; "Kaitai" acrylic acid is a famous brand product in Shandong Province. In 2019, the comprehensive strength of Kaitai ranked 42nd among the top 100 enterprises in Zibo.