Methyl Acrylate

Methyl Acrylate

Methyl acrylate (MA) is the fourth most-used of the basic acrylic esters for production of acrylic and vinyl-acrylic resins, surpassed only by butyl acrylate, ethyl acrylate and 2-ethylhexylacrylate. As the lowest-molecular weight member of the homologous acrylic ester family, MA also finds uses as a starting material for the synthesis of other acrylates and derivatives ( these often involve transesterification reactions, or “Michael Additions” to the acrylic double-bond).
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Kaitai brand acrylic acid is well-known in China, and its application in the field of water reducing agent is one of the strongest brands.

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Shandong Kaitai never ceases its effort to serve customers, and sold acrylic acid esters to most parts of China and overseas.

What is Methyl Acrylate

 

Methyl acrylate (MA) is the fourth most-used of the basic acrylic esters for production of acrylic and vinyl-acrylic resins, surpassed only by butyl acrylate, ethyl acrylate and 2-ethylhexylacrylate. As the lowest-molecular weight member of the homologous acrylic ester family, MA also finds uses as a starting material for the synthesis of other acrylates and derivatives ( these often involve transesterification reactions, or "Michael Additions" to the acrylic double-bond).

Acrylic Acid

Acrylic Acid

Acrylic acid is an organic compound that is the simplest unsaturated carboxylic acid and consists of a vinyl group attached directly to the carboxylic acid end. This colorless liquid has a characteristic pungent or sour taste. It is miscible with water, alcohols, ethers and chloroform.

Glacial Acrylic Acid

Glacial Acrylic Acid

Glacial acrylic acid (GAA) is a clear, colorless liquid with a pungent odor that is miscible with water, alcohols, and ethers. It is an unsaturated monocarboxylic acid that undergoes typical reactions of carboxylic acids and vinyl compounds. It is used to produce polymers and acrylates and as a raw material for chemical syntheses.
Glacial acrylic acid is used as an additive for various products due to its flexibility, good weather resistance, adhesion, abrasion resistance, and oil resistance.

Butyl Acrylate

Butyl Acrylate

Butyl acrylate (BA) is an organic compound with the molecular formula C4H9O2CCH=CH2. It is a colorless liquid, the butyl ester of acrylic acid. It is used commercially on a large scale as a precursor for poly(butyl acrylate). In particular, as copolymers, such materials are used in paints, sealants, coatings, adhesives, fuels, textiles, plastics, and caulks.
Butyl acrylate can be produced by the acid-catalyzed esterification of acrylic acid with butanol. It polymerizes readily, so commercial preparations contain polymerization inhibitors such as hydroquinone, phenothiazine, or hydroquinone ether.
Shandong Kaitai Petrochemical Acrylic Acid Ltd is one of the most professional glacial butyl acrylate manufacturing plants and suppliers in China, having been developed for more than 10 years. Kaitai's production site processes 80,000 MTS of manufacturing capacity of butyl acrylate per year. "Kaitai" brand butyl acrylate is mainly exported to India, Turkey, UAE, South Africa, etc.

methyl acrylate2

Methyl Acrylate

Methyl acrylate is an organic compound. It is a colorless liquid with a pungent odor. It is mainly used to make acrylic fibers. It is also a reagent for the synthesis of various pharmaceutical intermediates. Generally, methyl acrylate (and other acrylates) are copolymerized with other olefins to make useful engineering plastics.

 
 

What Are the Attributes of Methyl Acrylate?

 

 

MA is often used in copolymers to achieve a desired balance of hardness, softness, tack, flexibility, and strength properties. When used as a comonomer in polymerization with other (meth)acrylic and vinyl monomers, MA offers the following attributes in the associated copolymer:
• With a homopolymer Tg of +10 °C, MA can increase the hardness and strength, and also reduce tack versus the homologous acrylates.
• Good water resistance.
• Excellent UV, sunlight, weathering resistance, and transparency.
• Excellent copolymerization characteristics with other (meth)acrylates and vinyl acetate monomer.
• Commodity economics and excellent availability.
• Higher polarity, which increases adhesion to more polar surfaces.
• With acrylonitrile, MA is used to reduce the crystallinity and melting point via copolymerization.

 

What Are the Major Uses of Methyl Acrylate?

 

 

• The rich diversity of applications for methyl acrylate in homo- and copolymers include:
• Acrylic and vinyl acrylic copolymers for paints and coatings, adhesives, inks, and more.
• Poly(methyl acrylate-co-methacrylic acid) used in rheology modifiers.
• Poly(methyl acrylate) rubber and gum thickeners.
• Poly(ethylene-co-methyl acrylate) (EMA) thermoplastics for film and adhesives.
• Poly(acrylonitrile-co-methyl acrylates) for processable fibers and films.
• Synthetic intermediates.

 

Methyl Acrylate-Acrylonitrile Copolymers

Formulators also incorporate methyl acrylate in acrylonitrile (AN) polymers in order to allow melt processability and fiber-spinning operations. They have also produced random copolymers of AN and MA by free-radical solution and suspension techniques. Levels of up to 15 percent MA monomer decrease the melting point and crystallinity of the copolymers and increase the melt stability and processing. These copolymers are used commercially as precursors for so-called "PAN-based" carbon fibers.


A melt-processable, impact modified copolymer of MA and AN at a level of about 60-75 percent AN was developed as an oxygen barrier resin for packaging applications. Nitrile rubber (NBR) modified MA-AN copolymers were produced by graft copolymerization of the two monomers in the presence of 8-10 wt. percent of NBR. At AN:MA ratios of ~75:25 percent, the impact modified resin complies with 21CFR177.1480 for food contact use. They are used in extruded sheets and thermoformed trays.

Methyl Acrylate

Production Process of Methyl Acrylate

 

 

Acrylonitrile hydrolysis

Acrylonitrile is hydrolyzed in the presence of concentrated sulfuric acid, and the hydrolyzed acrylamide sulfate is then reacted with methanol to get methyl acrylate

 

Direct oxidation of propylene

Propylene is oxidized to form acrolein, then oxidized to acrylic acid and esterified with methanol to form methyl acrylate.

 

Vinyl ketone method

Vinyl ketone is condensed with formaldehyde using boron trifluoride as catalyst, and then esterified with methanol to produce methyl acrylate.

 

 

 
Requirements for the Purchase of Methyl Acrylate
 
01/

Usage scenarios: Select different grades of methyl acrylate according to specific usage scenarios. For example, if you need high transparency, you can choose transparent grade methyl acrylate; if you need heat resistance, you need to choose heat-resistant grade methyl acrylate.

02/

Performance requirements: According to the actual needs, consider the mechanical properties, chemical properties, thermal properties and other aspects of the differences in methyl acrylate.

03/

Cost considerations: The price of methyl acrylate varies by grade and quality, and needs to be considered according to budget and usage requirements.

04/

Safety and health: Understand the Safety Data Sheet (SDS) for methyl acrylate and be aware of possible health hazards and safety precautions. For example, methyl acrylate is a flammable liquid and should be stored away from fire and heat sources and keep containers sealed.

05/

Packaging and storage: Ensure that the packaging of methyl acrylate complies with safety standards and that the storage conditions should be in accordance with the product description to maintain its quality and safety.

06/

Supplier reputation: Choose suppliers with good reputation to ensure the quality of products and reliability of service.

Safety, Handling and Polymerization Principles for Methyl Acrylate

 

Methyl acrylate hazards include skin sensiti­zation, eye irritation, inhalation, flammability, and the potential for uncontrolled and rapid polymerization. However, the chemical industry has handled MA safely for more than 80 years and when properly inhibited, MA is stable under the recommended storage conditions.
The following principles must drive the handling and polymerization of MA.
• Use and maintain proper inhibitor levels, as inhibitors are consumed over time.
• MA must never be handled or stored under an inert atmosphere, as the the presence of oxygen is required for the inhibitor to function effectively.
• Observe the recommended storage time and temperatures to prevent depletion of the inhibitor, below 35°C (95°F) and prefer­ably below 30°C (86°F).
• Use proper MOCs and keep tanks, reactors, and piping thoroughly clean
• Prevent contact with amines, strong acids, alkalis, silica, alumina, oxidizing agents, UV, and initiators, which can cause spontaneous polymerization.
• Direct contact can cause irritation of the eyes, skin, nose, and throat.

Properties of Methyl Acrylate
 

Physical Properties

◆ Appearance and odor: Methyl acrylate is a colorless transparent liquid with a pungent odor. This odor is irritating and may affect human health.
◆ Physical state and melting and boiling points: It is a liquid at room temperature, with a melting point of -75°C and a boiling point of about 80°C. It can be used in a variety of applications. These data help to understand the change of state of methyl acrylate at different temperatures.
◆ Solubility: Slightly soluble in water, but soluble in ethanol, ether, acetone, benzene and other organic solvents. This characteristic determines the choice of solvent and reaction conditions in industrial applications.
◆Density and Flash Point: Density is about 0.955 g/cm³, flash point is about -3℃. Low flash point indicates high flammability, so special attention to safety is required during storage and use.

Chemical properties

◆ Molecular structure: The molecular formula of methyl acrylate is C4H6O2, and its molecular structure determines its chemical properties and application fields.
◆ Reactivity: Methyl acrylate is easy to polymerize, light, heat and peroxide can accelerate its polymerization. Therefore, it is necessary to add a polymerization inhibitor to prevent its polymerization during storage and transportation.

 

Our Factory

 

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.

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FAQ
 

Q: What are the basic properties of methyl acrylate?

A: Methyl acrylate is a colorless, transparent liquid with a pungent smell.
It is slightly soluble in water, but easily soluble in organic solvents such as ethanol, ether, acetone, and benzene.
In terms of physical properties, its melting point is about -75°C, boiling point is about 80°C, density is 0.955 g/cm³, and flash point is -3°C.

Q: What are the main uses of methyl acrylate?

A: Methyl acrylate is mainly used to produce polymethyl methacrylate (PMMA), commonly known as plexiglass or acrylic, which is widely used in construction, billboards, automobile manufacturing and other fields.
It is also used as an intermediate in coatings, adhesives, textile auxiliaries, paper treatment agents, and medicine.

Q: What are the production processes of methyl acrylate?

A: The production processes of methyl acrylate mainly include acrylonitrile hydrolysis, propylene direct oxidation, and ethylene ketone.

Q: How toxic is methyl acrylate?

A: Methyl acrylate is toxic to humans and has strong irritation and corrosion effects on the skin, eyes and respiratory mucosa.
In the acute toxicity test, the oral LD50 of rats was 277 mg/kg, and the oral LD50 of mice was 827 mg/kg.

Q: How to store methyl acrylate safely?

A: Methyl acrylate should be stored in a cool, ventilated warehouse, away from fire and heat sources.
The warehouse temperature should not exceed 37°C, and the packaging should be sealed and not in contact with air.
It should be stored separately from oxidants, acids and alkalis, and should not be mixed.

Q: What are the precautions for the transportation of methyl acrylate?

A: Methyl acrylate should be protected from direct sunlight and high temperatures during transportation.
Explosion-proof lighting and ventilation facilities should be used, and mechanical equipment and tools that are prone to sparks are prohibited.

Q: How to control the polymerization of methyl acrylate?

A: Methyl acrylate is easy to polymerize during storage and transportation, and light, heat and peroxides can accelerate its polymerization.
Usually, inhibitors such as hydroquinone or 4-methoxyphenol are added to prevent polymerization.

Q: How to control the reaction conditions in the production process of methyl acrylate?

A: In the production process of methyl acrylate, the reaction temperature, pressure, time and other conditions need to be strictly controlled to ensure the reaction efficiency and product quality.

Q: What are the wastewater treatment methods for methyl acrylate?

A: The wastewater generated in the production process of methyl acrylate needs to be properly treated before it can be discharged. Common wastewater treatment methods include physical, chemical and biological methods.

Q: What are the waste gas treatment measures for methyl acrylate?

A: The waste gas generated in the production process of methyl acrylate needs to be effectively treated before it can be discharged. Common waste gas treatment measures include adsorption, absorption, catalytic combustion, etc.

Q: What are the packaging requirements for methyl acrylate?

A: Methyl acrylate should be packaged in galvanized iron barrels and other well-sealed packaging materials to prevent it from contacting with air and polymerizing.

Q: What are the ignition temperature and explosion limit of methyl acrylate?

A: The ignition temperature of methyl acrylate is 468℃, the upper explosion limit (V/V) is 25.0%, and the lower explosion limit (V/V) is 2.8%.

Q: What are the applications of methyl acrylate in the coating industry?

A: In the coating industry, methyl acrylate can improve the gloss and weather resistance of the coating and is often used to prepare high-performance coatings.

Q: What is the role of methyl acrylate in adhesives?

A: In adhesives, methyl acrylate can improve bonding strength and heat resistance and is an important raw material for preparing high-performance adhesives.

Q: How to prevent catalyst deactivation during the production of methyl acrylate?

A: In the production of methyl acrylate, it is necessary to select the appropriate type and amount of catalyst, and strictly control the reaction conditions to prevent catalyst deactivation.

Q: What are the ecological data of methyl acrylate?

A: Methyl acrylate has a certain toxicity to aquatic organisms, and its LC50 value (48 hours) is 7.5mg/L for round-bellied yarrow and 4.9mg/L for goldfish.

Q: What are the requirements for the storage temperature of methyl acrylate?

A: The storage temperature of methyl acrylate should be lower than its polymerization temperature (about 10°C) to prevent its spontaneous polymerization.

Q: How to prevent leakage during the transportation of methyl acrylate?

A: During the transportation of methyl acrylate, packaging materials with good sealing properties should be used, and the packaging should be checked regularly to prevent leakage.

Q: What is the waste treatment method for methyl acrylate?

A: The waste treatment of methyl acrylate should comply with local environmental protection regulations and can be treated by incineration, chemical treatment or recycling.

Q: What is the market prospect of methyl acrylate?

A: With the rapid development of industries such as construction, automobiles, and electronics, methyl acrylate, as one of the important raw materials in these industries, will continue to grow in market demand and has broad market prospects.

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