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US 10,590,210 B2Granted
Method for producing chlorinated vinyl chloride resin
AssigneeKaneka Corporation
InventorsJunichi Hirota, Yoshito Takeuchi, Naoki Deguchi
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Abstract
A method for producing chlorinated polyvinyl chloride includes bringing chlorine gas into contact with a mixture comprising a polyvinyl chloride powder and at least one inorganic filler; and irradiating the mixture with UV light to perform a chlorination reaction. At least one inorganic filler is selected from the group consisting of silica, carbon black, and talc.
Claims7
A method for producing chlorinated polyvinyl chloride, comprising:
- bringing chlorine gas into contact with a mixture comprising 100 parts by weight of a polyvinyl chloride powder and 0.001 to 1 parts by weight of at least one inorganic filler;
- and
- irradiating the mixture with UV light to perform a chlorination reaction,
- wherein the at least one inorganic filler is selected from the group consisting of silica, carbon black, and talc.
1 more element
Dependencies are inferred from the claim text.