Citation: . SYNTHESIS AND CHARACTERIZATION OF NEW STABILIZERS WITH OPTIMAL MOLECULAR WEIGHT*[J]. Chinese Journal of Polymer Science, ;2001, 19(4): 341-350. shu

SYNTHESIS AND CHARACTERIZATION OF NEW STABILIZERS WITH OPTIMAL MOLECULAR WEIGHT*

Received Date: 4 September 2000
Revised Date: 24 October 2000

Over 2×10*8 tons of polymers are produced every year, and a large portion of polymers faces the degradationproblem. There are many effective methods to protect polymers against degradation and the addition of stabilizers to polymerremains the most convenient and effective way of enhancing polymer life and performance. In this article, a series of effectivestabilizers with optimal molecular weight (MW), including common, monomeric and polymeric stabilizers (antioxidant andlight stabilizer) were synthesized using isocyanation,controlled isocyanation,hydrosilylation,epoxide addition,macroreaction of stabilizing functional compounds and polymerization stabilizers.The structure and performance of these new stabilizers were characterized by using IR,NMR,MS,UV-spectra,XPS and elemental analysis.The current development of stabilizer synthesis was also reviewed.
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