Lauroyl peroxide LPO 105-74-8

Lauroyl peroxide

Trade name: Initiator LPO

English name: Dilauroyl peroxide

Chemical name: Dilauroyl peroxide

Chemical structural formula:
    

Molecular formula: C24H46O4

Molecular weight: 398.6

Theoretical active oxygen content: 4.01%

CAS: 105-74-8

Einecs: 203-326-3

Main decomposition products: CO2, lauric acid ester

Security indicators:

Half-life (measured in chlorobenzene solution):

0.1 hours: 99°C

1 hour: 79°C

10 hours: 61°C

Thermal stability data:

Self-accelerated decomposition temperature (SADT): 50°C

Critical Temperature (Tem): 45°C

Control temperature (Tc): -

Storage temperature (Tsmax): -/30 °C

Technical standards:

Appearance: white powder or flake solid

Content: ≥99.0%

Use: This product is an initiator for the polymerization of ethylene, styrene, vinyl chloride, vinylidene chloride, acrylates and methacrylates and polymerization.

Packaging:

The standard packaging of LPO is 25 kg net weight cardboard drum, or corrugated carton with four 5 kg plastic bags inside, net weight 20 kg. It can also be packed according to the specifications required by the users.

LPO is a solid organic peroxide of Class D, Goods Classification: 5.2, UN No. 3106, Packing Group II, Dangerous Goods.

Safety Precautions:

(1) Keep away from fire, open flames and heat sources.

(2) Avoid exposure to reducing agents (e.g., amines), acids, alkalis, and heavy metal compounds (e.g., accelerants, metal soaps, etc.)

(3) Refer to the Safety Data Sheet (MSDS) for this product.

Uses:

1. Polymerization of vinyl chloride:

LPO is widely used in aqueous suspension polymerization and native polymerization reaction, the temperature range of polymerization is 60-75 ℃, in many cases, LPO and other highly active peroxide complex make

With, for example, peroxydicarbonates (bis-4-tert-butylcyclohexane peroxydicarbonate), or peroxy esters (neodecanoic acid-1,1,3,3-tetramethylbutyl ester peroxide), one can increase their

Reactivity.

2. Polymerization of ethylene:

LPO is used for polymerization initiation of high-pressure polyethylene, and due to its poor solubility, it is replaced in many cases by isononyl peroxide, but the greatest advantage of LPO is that it can be used at room temperature.

Save.

3. Polymerization of acrylates and methacrylates:

LPO can also be used in the polymerization reaction of acrylic ester, the polymerization reaction temperature is 60-90 ℃, is often used to replace the more toxic azodiisobutyronitrile and so on.

4. Polymerization initiator for ABS resin:

LPO is also an important initiator of ABS polymerization reaction, it and 1,1-di-tert-butyl peroxide-3,3,5-trimethylcyclohexane (CH335) complex use, has a very good initiator.

Effect.

Note: LPO can also be formulated as an aqueous suspension solution of 40% (LPO-40W) and an aqueous suspension solution of 25% (LPO-25W), which are mainly used in water-opposed formulations such as vinyl chloride.

It has the advantages of easy operation and safety.