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Typically appearing as a colorless, transparent solution of benzene or mineral oil, Tert-Butyl peracetate (TBPA) is an organic peroxide that undergoes decomposition at moderate temperatures. It serves as a highly effective oxidizing agent and radical initiator in organic synthesis and polymer industries.
The main product characteristics as below
Medium-high temperature initiator
The decomposition rate and temperature range are very suitable for polymerization and crosslinking processes at 100-140 ℃, making it an ideal choice for high-temperature curing of unsaturated polyester (such as SMC/BMC compression molding) and polymerization of vinyl monomers.
Enhance the color and quality of polymers
Compared to initiators containing benzoyl groups such as BPO and TBPB, the decomposition products of TBPA do not contain structures such as benzene, which can effectively avoid yellowing during the processing of polymers (such as acrylic resins and styrene resins) and help obtain high-quality products with lighter color and higher transparency.
Good thermal stability
The self accelerating decomposition temperature is 70℃, which belongs to a relatively stable variety among similar peroxyesters, but still needs strict management. It must be stored in a cool and ventilated place below 30℃ (usually recommended lower temperature, such as 2-8 ℃). Meantime, it is extremely sensitive to impurities and must avoid contact with acids, bases, reducing agents, heavy metal compounds (such as cobalt salt accelerators), rust, and copper, otherwise it may cause severe decomposition. |
Eco-friend
The main products of TBPA decomposition are carbon dioxide, tert butanol, and tert butyl acetate, and do not produce highly toxic or strongly odorous residues
Application
High-pressure polyethylene (LDPE) synthesis:
As an effective low-temperature initiator in tubular processes, it is frequently combined with TBPP, TBPEH, and TBPB to form composite initiator systems, synergistically enhancing polymerization efficiency and product performance.
High temperature compression molding of unsaturated polyester
In hot pressing processes such as sheet molding compound (SMC) and bulk molding compound (BMC), it is used as a high-temperature curing agent with a curing temperature range of 120-160 ℃, which can ensure rapid and sufficient curing of the product while maintaining good apperance
Synthesis of High Quality Acrylic and Styrene Resin
Used for producing polymethyl methacrylate (PMMA), polystyrene (PS), and acrylic coating resins with extremely high requirements for color and transparency, which can significantly optimize product whiteness
Package & Storage
Package
20 kg drum, 200 kg drum, or requirement of clients.
Storage
Store in a cool and ventilated space, and the warehouse temperature should not exceed 30℃, better 2-8℃.
Keep away from fire and heat sources. Store separately from acids, reducing agents, flammable materials, combustible materials, reducing agents, etc.
The lighting and ventilation facilities in the storage room are explosion-proof, and the switch is set outdoors.
FAQ
Q: Why is this product typically supplied as a solution rather than a pure product?
A: The solution diluted with benzene or mineral oil effectively reduces its mechanical and impact sensitivity, greatly improving safety during handling and storage, while enabling precise dosage control.
Q: What makes Tert-Butyl peracetate uniquely valuable in oxidation reactions compared to other medium-temperature peroxides?
A: Its acetoxy group not only generates oxygen radicals for oxidation but also triggers chain reactions through tert-butoxyl radicals during decomposition. This dual mechanism gives it a distinct advantage in complex oxidation processes.
Product Specification