Release agent

Abstract

To provide a mold release agent with an excellent continuous mold release property.SOLUTION: There is provided a mold release agent comprising: an anionic surfactant (A) that is a compound having a perfluoro-alkenyl group represented by the following formula (I) or a salt thereof; and an anionic surfactant (B) that is a compound having an anionic functional group and an aromatic ring represented by the following formula (II) or a salt thereof. In the formula (I), Rf, Ar1, n, and X are as defined in the specification. In the formula (II), R1, Ar2, and Y are as defined in the specification.SELECTED DRAWING: None

Claims

1. An anionic surfactant (A) which is a compound having a perfluoroalkenyl group represented by the following formula (I) or a salt thereof, and A release agent comprising an anionic surfactant (B) which is a compound having an anionic functional group and an aromatic ring represented by the following formula (II) or a salt thereof, A release agent comprising the anionic surfactant (B) in an amount of 0.3 to 3.0 molar equivalents per molar equivalent of the anionic surfactant (A). Equation (I): 【Chemistry 1】 (In the formula, Rf is a group represented by the following formula (1) or formula (2). 【Chemistry 2】 Ar １ (where n represents an alkyl-substituted or unsubstituted p-phenylene group; n represents 1 or 2; X represents a phosphonic acid group, a phosphate group, a carboxyl group, or a sulfonic acid group.) Formula (II): 【Transformation 3】 (In the formula, R １ Ar represents a hydrogen atom, hydroxyl group, halogen, cyano group, nitro group, thiol group, linear alkyl group, linear alkoxy group, linear alkylcarbonyl group, and linear alkyloxycarbonyl group. ２ (where Y represents an alkyl-substituted or unsubstituted p-phenylene group; Y represents a phosphonic acid group, a phosphate group, a carboxyl group, or a sulfonic acid group.)

2. An anionic surfactant (A) which is a compound having a perfluoroalkenyl group represented by the following formula (I) or a salt thereof, and A release agent comprising an anionic surfactant (B) which is a compound having an anionic functional group and an aromatic ring represented by the following formula (II) or a salt thereof, Amount to 100 parts by mass of the mold release agent: 0.7 to 10 parts by mass of an anionic surfactant (A) A release agent containing 0.05 to 10 parts by mass of an anionic surfactant (B). Equation (I): 【Chemistry 4】 (In the formula, Rf is a group represented by the following formula (1) or formula (2). 【Transformation 5】 Ar 1 represents an alkyl-substituted or unsubstituted p-phenylene group. n represents 1 or 2. X represents a phosphonic acid group, a phosphate group, a carboxyl group, or a sulfonic acid group. Formula (II): 【Transformation 6】 (In the formula, R1 represents a hydrogen atom, a hydroxyl group, a halogen, a cyano group, a nitro group, a thiol group, a linear alkyl group, a linear alkoxy group, a linear alkylcarbonyl group, or a linear alkyloxycarbonyl group. Ar2 represents an alkyl-substituted or unsubstituted p-phenylene group. Y represents a phosphonic acid group, a phosphoric acid group, a carboxyl group, or a sulfonic acid group.)

3. R １ The release agent according to claim 1 or 2, wherein is a hydroxyl group, a linear alkyl group having 1 to 15 carbon atoms, or a linear alkoxy group having 1 to 15 carbon atoms.

4. The release agent according to claim 1 or 2, wherein Y is a carboxyl group.

5. A mold release agent for rubber, as described in claim 1 or 2.

6. The anionic surfactant (A) is a compound having a perfluoroalkenyl group represented by the following formula (I-1) or a salt thereof, 【Transformation 7】 The release agent according to claim 1 or 2, wherein the anionic surfactant (B) is at least one compound selected from the group consisting of p-hydroxybenzoic acid, p-n-hexyloxybenzoic acid, p-fluorobenzoic acid, and p-dodecylbenzenesulfonic acid or a salt thereof.

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