Du Pont VAZO no oxygen, stops
the initiator with polymer discoloration The answer is in the radical. DuPont VAZO® polymerization initiators, unlike organic peroxide, contain no oxygen atoms. Therefore, there is no oxygen ated residue. The free electron of the radical is on the carbon atom, so that radicals are less active. This means less hydrogen abstraction, branching, cross-linking and gel formation. The end result: polymers that are more linear and optically clearer. Pick the right VAZO® for your plastics and resins R&D. Whether your interest is in making polymers for new products or for improving existing ones, if it involves pigmented or dyed sys tems, or systems susceptible to hydrogen abstraction, one of these four VAZO® types is right for you:
Call 800-341-4004 for literature and a free sample. For immediate response, call 800-341-4004, or mail the coupon below, for our properties and applications literature. Once you've reviewed it, we're prepared to send you a sample of the VAZO® type that's right for your plastics and resins R&D. DuPont Company, Room X40289, Wilmington, DE19898.
• Mame_
Position. Company-
VAZO® Type General Benefits 8 8
High-temperature polymerization; easily stored.
Address
67
High solubility; low toxicity.
City-
CIA
Lower cost per pound than any thermally activated organic perox ide in its temperature range.
State-
5 2
i
Please send me free literature discussing VAZO® polymerization initiators.
Low-temperature polymerization; low solubility in water.
I
Phone (
This computer-generated display of VAZO® 88 was developed by DuPont research using X-ray crystallography and color molecular graphics.
Q μ NI R
EG.U.S.PATaTM.OFF
_Zip_
?1
1