استر پراکسیدها

ترت-بوتیل پراکسی-3،5،5-تری‌متیل‌هگزانوات (TBPMH)

CAS 13122-18-4 · تولیدکننده و تأمین‌کننده پراکسید آلی در چین

CAS 13122-18-4UN 3105
شماره CAS
13122-18-4
فرمول
C₁₃H₂₆O₃
وزن مولکولی
230.3
شماره UN
3105
ترت-بوتیل پراکسی-3،5،5-تری‌متیل‌هگزانوات (TBPMH)

ویژگی‌های فیزیکی

ظاهرClear liquid
اکسیژن فعال6.95%
SADT55℃
دمای خطرناک50℃
دمای نگهداری-20/25℃

داده‌های نیمه‌عمر

0.1 hour135℃
1 hour114℃
10 hours94℃

محصولات تجزیه: carbon dioxide, tert-butyl alcohol, 3,3,5-trimethylhexanoic acid, methane, acetone, 2,2,4-trimethylpentane

Aliases & Synonyms

Other names
TBPMH
Also supplied under these brand names*
Trigonox 42 · Luperox 270(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.

راهنمای فنی انتخاب

معرفی محصول

tert-Butyl peroxy-3,5,5-trimethylhexanoate (TBPMH, CAS 13122-18-4) is a medium-temperature peroxyester with 6.95% active oxygen and a 10-hour half-life temperature of 94°C. It is a primary initiator for the production of low-density polyethylene (LDPE) in both tubular and autoclave processes, and is also used in styrene and acrylate polymerization and in unsaturated polyester curing.

پروفایل نیمه‌عمر و دما

TBPMH's half-life series (135℃ at 0.1 h, 114℃ at 1 h, 94℃ at 10 h) gives a process window of roughly 110-150°C. In LDPE reactors TBPMH is typically used in the mid-section of the initiator cascade, after a faster peroxydicarbonate has started the reaction and before the high-temperature dialkyl peroxide takes over at the peak. The choice of injection point is governed by the 1-hour half-life, which is the point at which the initiator contributes the bulk of its radical flux.

انتخاب در همان خانواده

Within the LAAP peroxyester family, TBPMH (94°C) sits between TBPEH (CAS 3006-82-4, 73°C) and TBPA (CAS 107-71-1, 100°C). Choose TBPMH when the process runs 110-150°C and a liquid initiator with good thermal stability is required. Its branched 3,5,5-trimethylhexanoate group improves solubility in non-polar monomers compared with linear peroxyesters, which is why it is favoured in LDPE and in styrenic systems.

کیفیت، REACH و مستندات

TBPMH is a clear liquid, ≥97.0% pure, with a colour specification below 30 Pt-Co. Typical controls are assay, active oxygen, colour and water content. Each batch ships with a CoA; REACH-compliant SDS and a TDS with the half-life table are available.

بسته‌بندی، MOQ و زمان تحویل

Standard packing is 20 kg polyethylene drums, with custom packaging on request. SADT is 55°C with a recommended storage range of -20°C to 25°C, so cold-chain shipping applies. Minimum order quantity starts at 25 kg, and quotations are returned within 24 hours.

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