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For example, cleavage of the benzylic radicals illustrated in Schemes 6 and 7 back to their starting materials may be more important for PIP cures than for a LLDPE system.
The decomposition reaction was monitored by following the benzylic protons in the (1.
Poly(VBOPE) is more stable than derivative polymers, because derivative polymers have soft side group as benzylic ether.
The chemical shifts of the benzylic methylenes depend on their relative position in the aromatic ring.
This is attributed to the stability of the benzylic bromide functionality within BIMS to HBr elimination (17).
Since there are no bromine groups present in IMS, the strong interactions between BIMS and CB could be attributed to the chemical interactions between the benzylic bromine in BIMS and the surface functional groups of CB particles.
Brominated isobutylene-co-p-methylstyrene (BIMS) (grade: Exxpro [TM] 3035; benzylic bromine of 0.
In order of decreasing ease of hydrogen abstraction are phenolic [is greater than] benzylic [is greater than] allylic [is greater than] tertiary [is greater than] secondary [is greater than] primary (ref.
Brazil) polyester hydroxyl number = 63 mg KOH/g Hydroxyl-based PL400 viscosity = 400 cP Kolon Chemical resin (used as (Korea) nonreactive diluent) Benzylic alcohol Commerical grade Vetec Ind.
85 mole-% benzylic bromide outperformed the NR/BR control in this test.
The active pendant benzylic bromines, in the presence of a mild Lewis acid such as zinc oxide, will react to form zinc bromides.