Chlorinated vinyl chloride resin
AssigneeSekisui Chemical Co., Ltd.
InventorsNozomi Eguchi, Kenichi Matsumura, Isao Higuchi, Yasunari Kusaka
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Abstract
The present invention provides a chlorinated polyvinyl chloride resin that provides a molded article having excellent heat cycle characteristics and excellent weather resistance, as well as a resin composition for molding and a molded article each including the chlorinated polyvinyl chloride resin. Provided is a chlorinated polyvinyl chloride resin having an average of a ratio (A/B) of a peak intensity A observed in a range of 300 to 340 cm−1 to a peak intensity B observed in a range of 1,450 to 1,550 cm−1 of 3.5 to 40.0 in Raman imaging measurement by Raman spectroscopy.
Claims5
A chlorinated polyvinyl chloride resin having an average of a ratio (A/B) of a peak intensity A observed in a range of 300 to 340 cm−1 to a peak intensity B observed in a range of 1,450 to 1,550 cm−1 of 3.6 to 40 in Raman imaging measurement by Raman spectroscopy, having a sulfur content of 10 mass ppm or more and 1,000 mass ppm or less, and containing structural units (a) to (c) represented by the following formulas (a) to (c), wherein the proportion of the structural unit (b) is 40.0 mol % or lower relative to the total number of moles of the structural units (a), (b) and (c):
- —CH2—CHCl— (a)
- —CH2—CCl2— (b)
- —CHCl—CHCl— (c).
Dependencies are inferred from the claim text.