prov:value
| - In the preparation of the tetrafluoroethylene copolymer of the present invention, for the control of a molecular weight, it is possible to use a conventional chain transfer agent, for example, hydrocarbons such as isopentane, n-pentane, n-hexane, cyclohexane, etc.; alcohols such as methanol, ethanol, etc.; and halohydrocarbons such as carbon tetrachloride, chloroform, methylene chloride, methyl ch
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