| product_name | Isobutyl acrylate |
| CAS_number | 106-63-8 |
| formula | C7H12O2 |
| molar_mass | 128.17 |
| density | 0.887 g/cm³ |
| boiling_point | 146°C |
| melting_point | -73°C |
| refractive_index | 1.409 |
| flash_point | 32°C |
| vapor_pressure | 4.7 mm Hg (20°C) |
| viscosity | 0.72 mPa·s (20°C) |
| autoignition_temperature | 305°C |
| solubility_in_water | slightly soluble |
| appearance | colorless liquid |
| odor | fruity |
What is isobutyl acrylate and what are its uses?
Isobutyl acrylate is a colorless
liquid with a fruity odor that is commonly used in the production of adhesives, coatings,
and sealants. It is a versatile monomer that polymerizes easily and is known for its
excellent adhesion and weather resistance properties. Additionally, isobutyl acrylate is
often used in the formulation of pressure-sensitive adhesives, textile binders, and paper
coatings.
How is isobutyl acrylate produced?
Isobutyl acrylate is typically
produced through the esterification of acrylic acid with isobutanol. This reaction is
catalyzed by the presence of an acid catalyst, and the resulting product is then purified
through distillation to obtain pure isobutyl acrylate. The purity of the final product is
crucial for ensuring the desired properties in the end applications.
What are the key
benefits of using isobutyl acrylate in adhesive formulations?
Isobutyl acrylate
offers several key benefits when used in adhesive formulations. It provides excellent
adhesion to a variety of substrates, including plastics, metals, and glass. Additionally,
isobutyl acrylate exhibits good weather resistance, flexibility, and low-temperature
performance, making it an ideal choice for formulating pressure-sensitive adhesives that are
used in outdoor applications or in environments with fluctuating temperatures.
What
are the safety considerations when handling isobutyl acrylate?
Like other acrylate
monomers, isobutyl acrylate should be handled with care to prevent any potential health
risks. It is important to use appropriate personal protective equipment, such as gloves and
goggles, when working with isobutyl acrylate to avoid skin contact or eye irritation.
Additionally, proper ventilation should be maintained in the work area to minimize
inhalation exposure to vapors.
How does isobutyl acrylate compare to other acrylate
monomers in terms of performance?
Isobutyl acrylate offers unique properties that
differentiate it from other acrylate monomers. Its higher molecular weight and longer side
chain result in improved flexibility and adhesion compared to lower molecular weight
acrylates like butyl acrylate. Additionally, isobutyl acrylate exhibits better weather
resistance and low-temperature performance than methyl acrylate due to its longer alkyl
chain.
What are some common applications of isobutyl acrylate in
coatings?
Isobutyl acrylate is commonly used in the formulation of various coatings,
such as wood finishes, metal coatings, and automotive paints. Its excellent adhesion and
weather resistance properties make it an ideal choice for outdoor applications where
durability is a key requirement. Isobutyl acrylate is also used in the production of
UV-curable coatings for printing and packaging applications.
What factors should be
considered when formulating adhesives with isobutyl acrylate?
When formulating
adhesives with isobutyl acrylate, several factors should be taken into account to ensure
optimal performance. The choice of other monomers and additives in the formulation can
impact the adhesion, flexibility, and cure speed of the adhesive. It is essential to balance
these properties to meet the specific requirements of the end application. Proper testing
and optimization of the formulation are key to achieving the desired adhesive
performance.
How can the storage stability of isobutyl acrylate be
maintained?
To maintain the storage stability of isobutyl acrylate, it should be
stored in a cool, dry place away from direct sunlight and sources of heat. The container
should be kept tightly closed when not in use to prevent any exposure to air, moisture, or
contaminants that could affect the quality of the product. Regular monitoring of the storage
conditions is recommended to ensure the long-term stability of isobutyl
acrylate.
What sets isobutyl acrylate apart as a versatile monomer for various
applications?
Isobutyl acrylate's unique combination of properties, including
adhesion, flexibility, weather resistance, and low-temperature performance, makes it a
versatile monomer for a wide range of applications. Whether used in adhesives, coatings, or
sealants, isobutyl acrylate offers consistent quality and reliable performance, making it a
preferred choice for manufacturers seeking high-performance solutions for their products.
