KR830002113A - Preparation of rosin-based aqueous emulsion - Google Patents

Abstract

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Description

Preparation of rosin-based aqueous emulsion

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Claims (16)

By mixing the melted rosin material with a dispersant and water to form an emulsion in which the rosin material is a continuous phase and water is a dispersed phase, and then adding water to reverse the emulsion, the rosin material is a dispersed phase and the water is a continuous phase in obtaining an aqueous emulsion. Method for producing an aqueous emulsion of a rosin material, characterized in that the dispersant is at least one selected from compounds represented by the following general formulas (1) and (2). (In the above formula, R¹ is a hydrocarbon residue having 4 to 18 carbon atoms, R² is a hydrogen atom or a lower alkyl group, A represents a straight or branched alkylene group having 2 or 3 carbon atoms, X is a hydrogen atom or a hydroxyl group, and M is a monovalent Cation, m is 1 or 2, n is an integer from 4 to 25) Method for producing a dispersant according to claim 1, characterized in that the dispersant is at least one kind of sulfonate represented by the following general formula. (In the above formula, R¹ is a hydrocarbon residue having 4 to 18 carbon atoms, m is 1 or 2, n is an integer from 4 to 25, X is a hydrogen atom or a hydroxyl group, and M represents a valent cation) The method according to claim 2, wherein R¹ is a straight or branched alkyl group having 4 to 18 carbon atoms. The method of claim 3, wherein (R¹)m has a total carbon number of 4 to 30. The method of claim 4, characterized in that (R¹)m has a total carbon number of 6 to 25. R¹ is an aromatic hydrocarbon residue represented by the following general formula, and the method according to claim 2, characterized in that m is 2. (In the formula, R³ represents a hydrogen atom or lower alkyl groups, B represents a straight or branched alkylene group having 1 to 3 carbon atoms) The method of claim 6, characterized in that (R¹)m has a total carbon number of 14 to 20. R¹ is Claim 6, characterized in that the manufacturing method described in claim 6. Method of claim 2, characterized in that n is an integer from 6 to 17. Method of claim 2, characterized in that M is an alkali metal ion. The method of claim 2, characterized in that M is an ammonium ion. A method for producing the dispersant according to claim 1, wherein the dispersant is at least one kind of sulfuric acid partial ester salt represented by the following general formula (2). (In the above formula, R² is a hydrogen atom or lower alkyl, A is a straight or branched alkylene group having 2 or 3 carbon atoms, n is an integer of 4 to 25, and M represents a monovalent cation). Claim 12, characterized in that the manufacturing method described in claim 12. The method according to claim 12, wherein n is an integer from 6 to 20. Method of claim 12, characterized in that M is an alkali metal ion. The method of claim 12, characterized in that M is an ammonium-monium ion. ※ Note: Disclosure is based on the original application.