Abstract
Cross-linked rubbery networks can be broken down using Grubbs catalysts by cross-metathesis reactions with backbone double bonds.
Highlights
The production of cross-linked rubber goods such as vehicle tyres, latex gloves etc., is a global industry responsible for the consumption of millions of tons of rubbery polymers such as polybutadiene (PBd), polyisoprene (PI) and natural rubber every year
Despite the possible steric hindrance in the CM reaction with DF, our results were consistent with this calculated activity insofar as the PBd was broken down into fragments that were completely soluble in methanol, which is a very poor
The change in the microstructure may be a consequence of the fact that in Fig. 10(a) the rubber had not been broken down, so was not representative of the true sample. These results indicate that the CM reactions have succeeded in breaking down some of the styrene butadiene rubber (SBR) such that it can dissolve in methanol
Summary
The production of cross-linked rubber goods such as vehicle tyres, latex gloves etc., is a global industry responsible for the consumption of millions of tons of rubbery polymers such as polybutadiene (PBd), polyisoprene (PI) and natural rubber every year. All of these materials comprise long chain hydrocarbon molecules with unsaturated carbons in their backbone.
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