Manufacture of polymers of net-shaped structure

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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260886, 526 75, 526201, C08F21000, C08F21200

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active

039753395

ABSTRACT:
A process for the manufacture of polymers of net-shaped crosslinked structure and with uniform length of the crosslinks. In this process, polyfunctional organoalkali metal compounds which have been manufactured by reaction of divinylbenzene with low molecular weight organoalkali metal compounds, are reacted direct, or after prior reaction with anionically polymerizable monomers, with bifunctional or polyfunctional coupling agents. The polymers of net-shaped crosslinked structure have macroporous properties and can be employed, for example, as gels in gel permeation chromatography or as carriers in the synthesis of peptides.

REFERENCES:
patent: 3644322 (1972-02-01), Farrar
patent: 3652516 (1972-03-01), Farrar
patent: 3787510 (1974-01-01), Farrar
Worsfold et al., Canadian J. of Chemistry, 1969, 47, 3379-3385.
Swarc, Proceedings of Royal Society, Series A, 1964, 279, pp. 260-290.
Morton in "Vinyl Polymerization" Part II (Marcel Dekker)-1969, pp. 211- 229.
Forman i "Polymer Chemistry of Synthetic Elastomers" Part II (Interscience) 1969, pp. 491-596.

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