Oxymethylene 966 INDEX

The products obtained under these conditions displayed high molecular weights and polydispersities indexes lower than 1.3. In addition, statistical poly[polystyrene-oxycarbonyl-norbornene)-b-poly(-ethylene oxide)-oxymethylene-polynorbornene)] copolymers were obtained from co-norbomyl-poly-styrene and ot-norbornyl-poly(ethylene oxide) macromonomers by copolymerization under similar conditions. The distribution of PS and PEO grafts along the polymer backbone and the tendency of the copolymerization to blockiness in this case were determined by the reactivity ratios of the two macromonomers. 

Figure 7. Engineering Index output for poly(oxymethylene).

In this case, poly(oxymethylene) is indexed as one word so the search term was appropriate to this database. The two-word search (S2 and S3) was taken from the authors abstracts, which are searched automatically in this database (unlike in CAS files). 

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