Categories
DBPH
Categories：
Organic Peroxides
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DBPH | ||
 | Molecular formula | C16H3404 |
Molecular weight | 290.44 | |
CAS NO. | 78-63-7 | |
UN NO. | 3103 | |
CN NO. | 52005 | |
EINECS. | 201-128-1 | |
Chemical name | 2,5-Dimethyl-2,5-bis(tert-butylperoxy)hexane | |
Brief Introduction:
DBPH is a low volatility, yellowish liquid, dialkyl peroxide for cross linking of elastomers (silicone rubber, EPDM, PE etc.). Mp8 ℃, relative density 0.8650, refractive index 1.4185 (28 ℃), flash point: closed/36 ℃, open/ 58 ℃,self-accelerating decomposition temperature /80℃. not soluble in water, soluble in alcohols, esters, ethers, hydrocarbons and organic solvents, has a special smell. Active oxygen Content 11.02%.
Half life Data:
Activation Energy......36.0kcal/mole
10hr,Half Life Temp.................118℃
1hr,Half Life Temp............138℃
1min,Half Life Temp.........177℃
Specification:
ITEM | STANDARD |
Assay | Min.95% |
Color | Max.90Hazen |
Fe | Max.0.0003% |
Application:
As cross-linking agent for many polymers, such as polyethylene(LDPE,HDPE),ethylene/vinylacetate copolymer(AEM),ethylene/propylene/(diene)rubber(EPM/EPDM),silicone rubber(VMQ) and fluoro(FKM) elastomers.Crosslinking temperature:above 170 ℃,the amount of 1.2-2.5%(depending Crosslinking types of elastomers required).
Packing and Storage:
25kg net PE drum.10~30℃ stored under shadow,good air circulation.Transportation,exposure and strenuous exercise should be avoided. Refrain from heat and acid, reducing agent such as during storage or shipment.
Key words:
Organic peroxides
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