| 摘要 |
The present invention provides a method of producing a copolymer. The method comprises placing a vinylbenzene, such as styrene, in a reactor, placing a cross-linking agent, such as divinylbenzene in the reactor, placing a chain transfer agent, such as mercaptan, in the reactor and forming a poly vinylbenzene in the presence of the cross-linking agent and the chain transfer agent. In this embodiment, the concentration of the cross-linking agent ranges from about 150 ppm to about 400 ppm and a concentration of the chain transfer agent ranges from about 100 to about 400 ppm.
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