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AssigneeDaikin Industries, Ltd.
InventorsKazuaki FUKUSHIMA, Tamotsu TAKAMOTO, Toshihiko OGATA, Yukari DEGUCHI, Yasunori TSUKAHARA, Yosuke KISHIKAWA, Takashi NAMIKAWA, Motoshi MATSUI, Yusuke TAKAHIRA, Masahito YAGISHITA
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In a method for producing a low-molecular-weight fluorine compound by decomposing a fluororesin by bringing a heated microwave absorber into contact with a material containing a fluororesin in a reaction vessel provided with a carrier gas inlet and a decomposition gas outlet, (i) a temperature difference Delta 1(TR−TI), obtained by subtracting the carrier gas temperature TI (° C.) from the temperature TR (° C.) of the heated microwave absorber, is set to be more than 500° C. and/or (ii) a temperature difference Delta 2(TR−TE), obtained by subtracting the product gas temperature TE (° C.) at the outlet from the temperature TR (° C.), is set to be 300° C. or higher.
A method for producing a low-molecular-weight fluorine compound, the method comprising a decomposition step of heating a microwave absorber by irradiation with microwaves and bringing the heated microwave absorber into contact with a material containing a fluororesin to decompose the fluororesin into a low-molecular-weight fluorine compound in a reaction vessel provided with a carrier gas inlet and a decomposed gas outlet, wherein
A method for producing a low-molecular-weight fluorine compound, the method comprising a decomposition step of heating a microwave absorber by irradiation with microwaves and bringing the heated microwave absorber into contact with a material containing a fluororesin to decompose the fluororesin into a low-molecular-weight fluorine compound in a reaction vessel provided with a carrier gas inlet and a decomposed gas outlet, wherein
Dependencies are inferred from the claim text.