tert-Butyl acrylate (TBA) is used for the production of solid polymers, aqueous dispersions, and polymer solutions, which are used as coatings, binders, adhesives, and sealants in the automotive industry, in the rubber, paint and varnish, pulp and paper and other industries.
SPECIFICATION:
Appearance clear, colorless
Assay (Gas chromatography) min. 99.00 %
Water content (ASTM E 203) max. 0.040 %
Acid content (calc. as acrylic acid) max. 0.1000 % (ASTM D 1613)
Color on dispatch max. 10 (APHA, ASTM D 1209)
Standard stabilization (HPLC) 15 ± 5 ppm MEHQ
tert-Butyl Acrylate (TBA) is an ester of acrylic acid and is used as a raw material component in the synthesis of polymers. tert-Butyl Acrylate (TBA) is a monofunctional monomer with a characteristic high reactivity of acrylates and a long hydrophobic group. tert-Butyl Acrylate (TBA) forms homopolymers and copolymers. Copolymers of tert-Butyl Acrylate (TBA) can be prepared with (meth)acrylic acid and its salts, amides, and esters as well as (meth)acrylates, acrylonitrile, maleic acid esters, vinyl acetate, vinyl chloride, vinylidene chloride, styrene, butadiene, and other monomers.
tert-Butyl acrylate (TBA) can be used in emulsion polymerization similar to other well-known acrylates like Butyl Acrylate or Methylmethacrylate. As the hydrolytic stability under harsh acidic conditions is reduced for tert-Butyl Acrylate (elimination of iso-butylene), it is recommended to use for the polymerization a pH range of 3-4 (controlled via puffer or alkaline substances like ammonia or bicarbonate). With a higher share of TBA (as a substitute of MMA) in the polymer, we observe an increased tendency of cross-linking. Most probably due to the higher backbone crosslinking tendency of acrylates compared to methacrylates(radical transfer to polymer chain/backbone). Best results concerning particle size distribution were achieved by using a polymer seed, either as a ready polymer dispersion (e.g. polystyrene) or as an in-situ polymer seed.
tert-Butyl Acrylate (TBA) is a very useful starting material for chemical syntheses because it readily undergoes addition reactions with a wide variety of organic and inorganic compounds.
tert-Butyl Acrylate (TBA) forms homopolymers and copolymers. Copolymers of tert-Butyl Acrylate (TBA) can be prepared with acrylic acid and its salts, amides and esters, and with methacrylates, acrylonitrile, maleic acid esters, vinyl acetate, vinyl chloride, vinylidene chloride, styrene, butadiene, unsaturated polyesters and drying oils, etc. tert-Butyl Acrylate (TBA) is also a very useful feedstock for chemical syntheses, because it readily undergoes addition reactions with a wide variety of organic and inorganic compounds.
tert-Butyl Acrylate (TBA) is a monofunctional monomer with a characteristic high reactivity of acrylates and a bulky hydrophobic moiety. tert-Butyl Acrylate (TBA) can be used to impart the following properties to polymers:
Chemical resistance
Hydrophobicity
Weatherability
Hardness
Scratch resistance
Adhesion
High solids
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