الخصائص الفيزيائية
بيانات نصف العمر
منتجات التحلل: tert-butyl alcohol, acetic acid, di-tert-butyl ether, methane, ethane
Aliases & Synonyms
- Other names
- TBPA
- Also supplied under these brand names*
- Trigonox F-C50 · Lupersol 70(Commercial Reference)*
* Brand names are trademarks of their respective owners and are referenced for identification purposes only. LAAP products are not manufactured or endorsed by these companies.
نظرة عامة
TBPA هو بادئ بيروكسي إستر متوسط الحرارة يُستخدم لبلمرة الإيثيلين عالية الضغط (LDPE)، وبلمرة الستيرين والأكريلات، وتصلب راتنجات البوليستر غير المشبعة. درجة حرارة نصف العمر لمدة 10 ساعات هي 100°C.
دليل الاختيار الفني
نظرة عامة على المنتج
tert-Butyl peroxyacetate (TBPA, CAS 107-71-1) is a medium-temperature peroxyester with 12.11% active oxygen and a 10-hour half-life temperature of 100°C. It is used for the high-pressure polymerization of ethylene (LDPE), the polymerization of styrene and acrylates, and the curing of unsaturated polyester resins.
ملف نصف العمر ودرجة الحرارة
TBPA's half-life series (139℃ at 0.1 h, 119℃ at 1 h, 100℃ at 10 h) places the process window at roughly 120-160°C. It is a common mid-cascade initiator, chosen because its decomposition temperature fills the gap between the fast peroxydicarbonates and the slow dialkyl peroxides. TBPA is normally supplied as a solution in an odourless solvent — benzene, odourless mineral oil or isododecane — so it can be metered as a liquid and dispersed evenly in the reaction mass.
الاختيار ضمن نفس العائلة
Within the peroxyester family, TBPA (100°C) sits between TBPMH (CAS 13122-18-4, 94°C) and TBPB (CAS 614-45-9, 103°C), and above TBPEH (CAS 3006-82-4, 73°C). Choose TBPA when the process runs 120-160°C and a liquid, solvent-diluted initiator is preferred. For lower-temperature duties step down to TBPEH; for the highest peroxyester temperatures step up to TBPB.
الجودة وREACH والوثائق
TBPA is a clear, colourless liquid, supplied as 70% or 50% minimum active content with an activation energy of 149.36 kJ/mol. Typical controls are assay, active oxygen, colour and solvent content. Each batch ships with a CoA; REACH-compliant SDS and a TDS with the half-life table are available.
التعبئة والحد الأدنى للطلب ومدة التسليم
Standard packing is 20 kg polyethylene drums, with custom sizes on request. SADT is 70°C with a recommended storage range of -15°C to 10°C, so cold-chain shipping applies. Minimum order quantity starts at 25 kg, and quotations are returned within 24 hours.
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