Release agent for vulcanized rubber molding
AssigneeDai-Ichi Kogyo Seiyaku Co., Ltd.
InventorsTakuya Horie, Toshikazu Nabeshima, Kazunori Nakagawa
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Abstract
A release agent for vulcanized rubber molding is provided which has excellent mold releasing properties and washability. This release agent for vulcanized rubber molding contains an alkylene oxide adduct (A) of an active hydrogen group-containing compound having four active hydrogen atoms in the molecule, wherein the aforementioned alkylene oxide adduct (A) of an active hydrogen group-containing compound has a number average molecular weight of 5000-30000, and contains 50-95 mass % of an oxyethylene group.
Claims6
A release agent for vulcanized rubber molding comprising an alkylene oxide adduct (A) of an active hydrogen group-containing compound, the active hydrogen group-containing compound having four active hydrogen atoms in a molecule thereof, wherein:
- the alkylene oxide adduct (A) has four polyoxyalkylene chains, and
- the alkylene oxide adduct (A) has a number average molecular weight of 5,000 to 30,000 and contains from 50 to 95 mass % of an oxyethylene group.
Dependencies are inferred from the claim text.