MICROCAPSULE AND METHOD FOR PRODUCING THE SAME

• Main Authors: TANAKA HIDETOSHI, SHIMIZU YUSUKE
• Format: Patent
• Language: English; Japanese
• Published: 12.10.2023
• Subjects: ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; CANDLES; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; DETERGENTS; ESSENTIAL OILS; FATTY ACIDS THEREFROM; METALLURGY; PERFORMING OPERATIONS; PERFUMES; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS; THEIR RELEVANT APPARATUS; TRANSPORTING

To provide a novel microcapsule which has lavender essential oil as a core material and can be produced by the composite coacervation method, and which has a small particle diameter and has high retention performance of the core material even in a state where the microcapsule is dried.SOLUTION: There is provided a microcapsule which comprises gelatin, a first anionic polymer, a second anionic polymer of a different type from the first anionic polymer, and a cross-linking agent, wherein the microcapsule encapsulates a lavender essential oil and one or two or more selected from the group consisting of a polyoxyalkylene alkyl ether having an HLB value of 10.0 or less and a sorbitan fatty acid ester having an HLB value of 10.0 or less, and has an average particle diameter of 30 μm or less.SELECTED DRAWING: None 【課題】ラベンダー精油を芯物質とし、複合コアセルベーション法で製造可能な新規のマイクロカプセルであって、マイクロカプセルの粒子径が小さく、マイクロカプセルを乾燥させた状態でも、その芯物質の内包保持性能が高いマイクロカプセルの提供。【解決手段】マイクロカプセルであって、前記マイクロカプセルは、ゼラチンと、第１アニオン性高分子と、前記第１アニオン性高分子とは異なる種類の第２アニオン性高分子と、架橋剤と、を含んで構成され、前記マイクロカプセルは、ラベンダー精油、並びに、ＨＬＢ値が１０．０以下のポリオキシアルキレンアルキルエーテルと、ＨＬＢ値が１０．０以下のソルビタン脂肪酸エステルと、からなる群より選択される１種又は２種以上を内包し、前記マイクロカプセルの平均粒子径が３０μｍ以下である、マイクロカプセル。【選択図】なし