JP5528654B2 - Bar soap composition - Google Patents
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- JP5528654B2 JP5528654B2 JP2006217858A JP2006217858A JP5528654B2 JP 5528654 B2 JP5528654 B2 JP 5528654B2 JP 2006217858 A JP2006217858 A JP 2006217858A JP 2006217858 A JP2006217858 A JP 2006217858A JP 5528654 B2 JP5528654 B2 JP 5528654B2
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- crystalline cellulose
- foaming
- fatty acid
- feeling
- soap
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- 239000000344 soap Substances 0.000 title claims description 30
- 239000000203 mixture Substances 0.000 title claims description 16
- 229920002678 cellulose Polymers 0.000 claims description 30
- 239000001913 cellulose Substances 0.000 claims description 28
- 239000002245 particle Substances 0.000 claims description 26
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 24
- 239000000194 fatty acid Substances 0.000 claims description 24
- 229930195729 fatty acid Natural products 0.000 claims description 24
- -1 fatty acid salts Chemical class 0.000 claims description 8
- 235000010980 cellulose Nutrition 0.000 description 25
- 238000005187 foaming Methods 0.000 description 25
- 150000004665 fatty acids Chemical class 0.000 description 17
- 239000006260 foam Substances 0.000 description 17
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000005201 scrubbing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000012459 cleaning agent Substances 0.000 description 4
- 239000003760 tallow Substances 0.000 description 4
- 241000287828 Gallus gallus Species 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical compound CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
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- 210000003278 egg shell Anatomy 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 235000019198 oils Nutrition 0.000 description 2
- SECPZKHBENQXJG-FPLPWBNLSA-N palmitoleic acid Chemical compound CCCCCC\C=C/CCCCCCCC(O)=O SECPZKHBENQXJG-FPLPWBNLSA-N 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
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- OYHQOLUKZRVURQ-NTGFUMLPSA-N (9Z,12Z)-9,10,12,13-tetratritiooctadeca-9,12-dienoic acid Chemical compound C(CCCCCCC\C(=C(/C\C(=C(/CCCCC)\[3H])\[3H])\[3H])\[3H])(=O)O OYHQOLUKZRVURQ-NTGFUMLPSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 244000144730 Amygdalus persica Species 0.000 description 1
- 235000021357 Behenic acid Nutrition 0.000 description 1
- DPUOLQHDNGRHBS-UHFFFAOYSA-N Brassidinsaeure Natural products CCCCCCCCC=CCCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-UHFFFAOYSA-N 0.000 description 1
- 244000241235 Citrullus lanatus Species 0.000 description 1
- 235000012828 Citrullus lanatus var citroides Nutrition 0.000 description 1
- 241000238424 Crustacea Species 0.000 description 1
- 241000238557 Decapoda Species 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
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- 241000196324 Embryophyta Species 0.000 description 1
- URXZXNYJPAJJOQ-UHFFFAOYSA-N Erucic acid Natural products CCCCCCC=CCCCCCCCCCCCC(O)=O URXZXNYJPAJJOQ-UHFFFAOYSA-N 0.000 description 1
- 244000020551 Helianthus annuus Species 0.000 description 1
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- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- 244000280244 Luffa acutangula Species 0.000 description 1
- 235000009814 Luffa aegyptiaca Nutrition 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000004909 Moisturizer Substances 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 235000019482 Palm oil Nutrition 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 235000021319 Palmitoleic acid Nutrition 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 244000018633 Prunus armeniaca Species 0.000 description 1
- 235000009827 Prunus armeniaca Nutrition 0.000 description 1
- 235000006040 Prunus persica var persica Nutrition 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 235000019486 Sunflower oil Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 description 1
- 235000020661 alpha-linolenic acid Nutrition 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000002260 anti-inflammatory agent Substances 0.000 description 1
- 229940121363 anti-inflammatory agent Drugs 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 235000015278 beef Nutrition 0.000 description 1
- 229940116226 behenic acid Drugs 0.000 description 1
- 229940036811 bone meal Drugs 0.000 description 1
- 239000002374 bone meal Substances 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- SECPZKHBENQXJG-UHFFFAOYSA-N cis-palmitoleic acid Natural products CCCCCCC=CCCCCCCCC(O)=O SECPZKHBENQXJG-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003240 coconut oil Substances 0.000 description 1
- 235000019864 coconut oil Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
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- 239000002537 cosmetic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- DPUOLQHDNGRHBS-KTKRTIGZSA-N erucic acid Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-KTKRTIGZSA-N 0.000 description 1
- 150000002169 ethanolamines Chemical class 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
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- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 229960004488 linolenic acid Drugs 0.000 description 1
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000001333 moisturizer Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- 239000003346 palm kernel oil Substances 0.000 description 1
- 235000019865 palm kernel oil Nutrition 0.000 description 1
- 239000002540 palm oil Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 210000002374 sebum Anatomy 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
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- 238000003756 stirring Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002600 sunflower oil Substances 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
本発明はスクラブ剤を含有する、身体用や洗顔用の固形石鹸組成物に関する。 The present invention relates to a solid soap composition for body use and face washing, which contains a scrub agent.
近年、スクラブ洗浄剤が注目されている。スクラブ洗浄剤とは、石鹸や洗浄剤にスクラブ剤を加えたものである。石鹸や洗浄剤（以下、単に「石鹸」とも言う。）中に存在するスクラブ剤は、洗浄時の泡立て作業や洗浄作業の際に、石鹸だけでは落ちない毛穴の汚れや古くなった角質層、皮脂分等を摩擦や擦ることによって取り除く効果のある固形状物である。石鹸を泡立てる際や洗浄作業の際に感じる、スクラブ剤由来のざらざらとしたザラツキ感のことをスクラブ感と言う。このスクラブ感が適度であれば良好な使用感が得られ、強い場合には不快感となることがある。 In recent years, scrub cleaning agents have attracted attention. The scrub cleaning agent is a soap or cleaning agent added with a scrubbing agent. The scrubbing agent present in soaps and cleaning agents (hereinafter also referred to simply as “soaps”) is used to clean pores that are not removed by soap alone or to be used in the lathering process during cleaning, It is a solid substance that has the effect of removing sebum by rubbing or rubbing. The rough feeling of roughness derived from the scrubbing agent, which is felt when soap is bubbled or washed, is called scrubbing. If this scrub feeling is moderate, a good feeling of use can be obtained, and if it is strong, it may be uncomfortable.
スクラブ剤として植物系のものではモモ核、アンズ核、クルミ殻等の粉末、トウモロコシ穂軸や稲わら等の粉末、あるいはヘチマ、ヒマワリ、スイカ等の種子の粉末などがある。また、動物系のものでは骨粉や鶏卵殻粉末、貝殻粉末、エビやカニ等の甲殻類の粉末などが従来より用いられている。しかし、これらの水不溶性のスクラブ剤では、スクラブ感が強すぎる共に、泡立ちや泡質といった石鹸本来の持つ機能が低下する懸念があり、さらに鶏卵殻や甲殻類の粉砕品はアレルギーを起こす場合があった。スクラブ感の改善等を目的として、特許文献１には粒径１００〜１０００μｍの多孔性球状セルロースを配合する技術が開示されている。 Plant-based scrub agents include peach kernel, apricot kernel, walnut shell powder, corn cob and rice straw powder, or seed powder such as loofah, sunflower and watermelon. In addition, bone meal, chicken eggshell powder, shellfish powder, shellfish powder such as shrimp and crab, and the like have been conventionally used for animal products. However, these water-insoluble scrub agents are too strong for scrubbing, and there is a concern that the original functions of soap, such as foaming and foam quality, may be reduced, and pulverized chicken eggshells and crustaceans may cause allergies. there were. For the purpose of improving the scrub feeling and the like, Patent Document 1 discloses a technique of blending porous spherical cellulose having a particle size of 100 to 1000 μm.
しかしながら、この技術によればスクラブ感は改善されるものの、泡立ちの低下や泡質の悪化といった石鹸本来の性能が低下する問題があった。 However, according to this technique, although the scrub feeling is improved, there is a problem that the original performance of the soap is lowered such as a reduction in foaming and a deterioration in foam quality.
本発明は、使用時の泡立ちに優れ、きめ細かいクリーミィな泡質を有すると共に、適度なスクラブ感があり、使用感に優れた固形石鹸組成物の提供を目的とする。 An object of the present invention is to provide a solid soap composition that is excellent in foaming at the time of use, has a fine creamy foam quality, has an appropriate scrub feeling, and is excellent in use feeling.
上記課題を解決するために本発明者が鋭意検討した結果、異なる平均粒径を有する二種の結晶セルロースを併用することによって上記日的を達成できることを見出し、この知見に基づいて本発明を完成するに至った。具体的には、本発明は、平均粒径１０〜１００μｍの結晶セルロースａと平均粒径１４０〜４００μｍの結晶セルロースｂとの質量比が１／３〜２／１である混合結晶セルロースおよび脂肪酸塩の総量に対する質量比が混合結晶セルロース０．１〜５質量％、脂肪酸塩９５〜９９．９質量％であり、粒径５００μｍ以上の結晶セルロースが固形石鹸組成物中の０．５質量％以下である。 As a result of intensive studies by the inventor in order to solve the above-mentioned problems, the present inventors have found that the above-mentioned day can be achieved by using two kinds of crystalline cellulose having different average particle diameters, and the present invention has been completed based on this finding. It came to do. Specifically, the present invention relates to a mixed crystalline cellulose and fatty acid salt in which the mass ratio of crystalline cellulose a having an average particle size of 10 to 100 μm and crystalline cellulose b having an average particle size of 140 to 400 μm is 1/3 to 2/1. The mass ratio with respect to the total amount is 0.1 to 5 % by mass of mixed crystalline cellulose , 95 to 99.9% by mass of fatty acid salt , and the crystalline cellulose having a particle size of 500 μm or more is 0.5% by mass or less in the solid soap composition. is there.
本発明の石鹸組成物は、使用時の泡立ちに優れ、きめ細かいクリーミィな泡質を有すると共に、適度なスクラブ感があり、使用感に優れる。 The soap composition of the present invention is excellent in foaming at the time of use, has a fine creamy foam quality, has an appropriate scrub feeling, and is excellent in use feeling.
以下、本発明の実施形態を説明する。本発明の石鹸組成物は混合結晶セルロース０．１〜５質量％と、脂肪酸塩９５〜９９．９質量％からなる。混合結晶セルロースの量が０．１質量％未満では泡立ち、泡質、スクラブ感のいずれにも十分な効果が得られず、５質量％を超えて加えても添加量に見合った効果が得られず、経済的に不利である。 Embodiments of the present invention will be described below. The soap composition of the present invention comprises mixed crystalline cellulose 0.1 to 5% by mass and fatty acid salt 95 to 99.9% by mass. If the amount of mixed crystalline cellulose is less than 0.1% by mass, sufficient effects cannot be obtained in any of foaming, foam quality, and scrub feeling, and even if added in excess of 5% by mass, an effect commensurate with the added amount is obtained. It is economically disadvantageous.
混合結晶セルロースは平均粒径が異なる二種の結晶セルロースａ，ｂから構成される。平均粒径が相対的に小さい方の結晶セルロースａは平均粒径が１０〜１００μｍである。平均粒径が１０μｍ未満では取り扱い性が悪くなるとともに、使用時の粉立ちが生じ易くなるので、作業環境が悪化し好ましくない。平均粒径が１００μｍを超えると、泡質改善効果とスクラブ感とのバランスを良好に保つことができない。 Mixed crystalline cellulose is composed of two types of crystalline cellulose a and b having different average particle sizes. The crystalline cellulose a having a relatively small average particle diameter has an average particle diameter of 10 to 100 μm. When the average particle size is less than 10 μm, the handleability is deteriorated and powdering at the time of use is liable to occur. When the average particle size exceeds 100 μm, a good balance between the foam quality improving effect and the scrub feeling cannot be maintained.
平均粒径が相対的に大きい方の結晶セルロースｂは平均粒径が１４０〜４００μｍであり、更に好ましくは１４０〜３００μｍである。平均粒径が４００μｍを超えると使用時のスクラブ感が強くなりすぎるので好ましくない。また、二種の結晶セルロースａ，ｂは平均粒径の差が５０μｍ以上であることが好ましく、これにより泡立ち、泡質およびスクラブ感のバランスが優れ、良好な使用感が得られる。 The crystalline cellulose b having a relatively large average particle diameter has an average particle diameter of 140 to 400 μm, more preferably 140 to 300 μm. When the average particle size exceeds 400 μm, the scrub feeling during use becomes too strong, which is not preferable. The two types of crystalline celluloses a and b preferably have a difference in average particle size of 50 μm or more, which provides a good balance of foaming, foam quality and scrub feeling, and provides a good feeling of use.
二種の結晶セルロースａ，ｂの質量比（ａ／ｂ）は１／３〜２／1 が好適である。質量比（ａ／ｂ）が１／３未満では、十分に泡立ちせず、泡質が低下するおそれがあり、２／１を超えると、スクラブ感が強くなりすぎ、使用感が低下するおそれがある。 The mass ratio (a / b) between the two types of crystalline celluloses a and b is preferably 1/3 to 2/1. If the mass ratio (a / b) is less than 1/3, foaming does not occur sufficiently, and the foam quality may be deteriorated. If it exceeds 2/1, the scrub feeling becomes too strong, and the feeling of use may be deteriorated. is there.
本発明の石鹸組成物は粒径５００μｍ以上の結晶セルロースが０．５質量％以下である。粒径５００μｍ以上のものが０．５質量％を超えると、過度なスクラブ感となり使用感が低下するおそれがある。 The soap composition of the present invention contains 0.5% by mass or less of crystalline cellulose having a particle size of 500 μm or more. If the particle size exceeds 500% by mass, the scrub feel becomes excessive and the usability may be lowered.
本発明の石鹸組成物に含まれる脂肪酸塩は、脂肪酸をアルカリ金属や有機アミン塩などのアルカリ剤で中和することによって定法により得ることができる。脂肪酸塩を製造するために用いられる脂肪酸は、牛脂脂肪酸、豚脂脂肪酸、羊脂脂肪酸、鶏脂脂肪酸、ヤシ油脂肪酸、パーム油脂肪酸、パーム核油脂肪酸、大豆油脂肪酸、ナタネ油脂肪酸、オリーブ油脂肪酸、コーン油脂肪酸、ヒマワリ油脂肪酸、ヒマシ油脂肪酸、ラウリン酸、ミリスチン酸、パルミチン酸、パルミトレイン酸、ステアリン酸、イソステアリン酸、オレイン酸、リノール酸、リノレン酸、エルカ酸、ベヘニン酸などが挙げられ、これらのうち一種または二種以上の混合物が用いられる。これらの中和に用いるアルカリ剤は、水酸化ナトリウム、水酸化カリウム等のアルカリ金属の水酸化物、酸性アミノ酸、各種エタノールアミンが挙げられる。 The fatty acid salt contained in the soap composition of the present invention can be obtained by a conventional method by neutralizing a fatty acid with an alkali agent such as an alkali metal or an organic amine salt. The fatty acids used to produce the fatty acid salt are beef tallow fatty acid, lard tallow fatty acid, sheep tallow fatty acid, chicken tallow fatty acid, coconut oil fatty acid, palm oil fatty acid, palm kernel oil fatty acid, soybean oil fatty acid, rapeseed oil fatty acid, olive oil fatty acid , Corn oil fatty acid, sunflower oil fatty acid, castor oil fatty acid, lauric acid, myristic acid, palmitic acid, palmitoleic acid, stearic acid, isostearic acid, oleic acid, linoleic acid, linolenic acid, erucic acid, behenic acid, etc. Among these, one kind or a mixture of two or more kinds is used. Examples of the alkali agent used for neutralization include alkali metal hydroxides such as sodium hydroxide and potassium hydroxide, acidic amino acids, and various ethanolamines.
本発明の石鹸組成物は身体用や洗顔用の石鹸（例えば固形石鹸）として用いることができる。本発明の石鹸組成物は、本発明の効果を損なわない程度に、皮膚洗浄剤に用いられる各種の成分を配合することができる。例えば、皮膚洗浄剤で使用し得る公知のキレート剤、増粘剤、抗炎症剤、保湿剤、殺菌剤、防腐剤、香料、色素などを配合することができる。 The soap composition of the present invention can be used as a soap for body and face washing (for example, a solid soap). The soap composition of this invention can mix | blend the various components used for a skin cleansing agent to such an extent that the effect of this invention is not impaired. For example, known chelating agents, thickeners, anti-inflammatory agents, moisturizers, bactericides, preservatives, fragrances, pigments and the like that can be used in skin cleansing agents can be blended.
以下、実施例および比較例を挙げて本発明をさらに具体的に説明する。なお、例中、「％」はいずれも質量％を意味する。 Hereinafter, the present invention will be described more specifically with reference to examples and comparative examples. In the examples, “%” means mass%.
実施例１の試料を以下の方法により調製した。また、セルロース無配合のものをブランクとして、調製した石鹸の泡立ち、泡質及び泡立て時の感触（スクラブ感）を以下の評価基準により評価した。 The sample of Example 1 was prepared by the following method. Moreover, the thing without a cellulose was used as a blank, and foaming of the prepared soap, foam quality, and the touch (scrubbing feeling) at the time of foaming were evaluated according to the following evaluation criteria.
１．評価方法
１０名の女性（１０代〜３０代）をパネラーとし、石鹸を泡立てた際の泡立ち、泡質および泡立ち時の感触について下記の基準に基づきそれぞれ評価した。さらに、全てのパネラーの合計点から以下の通りに判定した。
１４〜２０点：○（良好）、７〜１３点：△（普通）、０〜６点：×（不良）
1. Evaluation method Ten women (10-30s) were panelists, and the foaming, foam quality, and feel when foaming soap were evaluated based on the following criteria. Furthermore, it judged as follows from the total score of all the panelists.
14 to 20 points: ○ (good), 7 to 13 points: Δ (normal), 0 to 6 points: × (defect)
(1) 泡立ち
２点：泡が速やかに立ち、良好な泡立ちと感じた場合
１点：泡が立つまで若干時間を要すると感じた場合
０点：泡が立つまで非常に時間を要し、泡立ちが悪いと感じた場合
(1) Foaming 2 points: When foaming quickly and feeling good foaming 1 point: When feeling that it takes some time until foaming 0 point: Foaming takes time very much and foaming If you feel bad
(2) 泡質
２点：非常にクリーミーな泡質であると感じた場合
１点：ややクリーミーな泡質であると感じた場合
０点：クリーミーな泡質ではないと感じた場合
(2) Foam quality 2 points: When it feels very creamy foam 1 point: When it feels slightly creamy foam 0 point: When it feels that it is not creamy foam quality
(3) 泡立ち時の感触（スクラブ感）
２点：強すぎず上品な感触である場合
１点：少し強い（または弱い）感触である場合
０点：強すぎる（または弱すぎる）感触であり、好ましくないと感じた場合
(3) Feeling when foaming (scrub feeling)
2 points: When the feel is refined without being too strong 1 point: When the feel is slightly strong (or weak) 0: When the feel is too strong (or too weak)
２．石鹸の調製方法
表３に示す組成の固形石鹸を次に示す方法により調製し、上記の方法により評価を行った。５Ｌ双腕式混練機（入江商会（株）製「ＰＮＶ−５型」）を用いて、表１に示す脂肪酸（日本油脂（株）製「化粧石鹸用脂肪酸」、中和価２１４．７）１０００ｇを７０℃で溶解した後、２８％水酸化ナトリウム水溶液５４６．６ｇを用いて中和した。中和点はフェノールフタレイン指示液を用いて微紅色であることを確認した。次に、濃グリセリン（日本油脂（株）製「ＲＧ−Ｓ」）２２．１ｇを添加し、加熱撹拌により水分１０％前後まで乾燥させて石鹸素地を得た。得られた石鹸素地の９９０ｇに結晶セルロースａの３ｇおよび結晶セルロースｂの７ｇを加えてよく混合し、プロッダー（日本化工機（株）製「ミニソーププロッダー」）によりソープバーとし、型打ち機（日本化工機（株）製「ＦＰ−１７１」）により成形し固形石鹸（実施例１）を得た。
2. Preparation method of soap The solid soap of the composition shown in Table 3 was prepared by the method shown below, and it evaluated by said method. Fatty acids shown in Table 1 (“Fatty acid for cosmetic soap”, neutralization value 214.7 by Nippon Oil & Fats Co., Ltd.) using a 5 L double-arm kneader (“PNV-5 type” manufactured by Irie Shokai Co., Ltd.) After dissolving 1000 g at 70 ° C., it was neutralized with 546.6 g of 28% aqueous sodium hydroxide solution. The neutralization point was confirmed to be slightly red using a phenolphthalein indicator solution. Next, 22.1 g of concentrated glycerin (“RG-S” manufactured by Nippon Oil & Fats Co., Ltd.) was added and dried to about 10% moisture by heating and stirring to obtain a soap base. Add 3 g of crystalline cellulose a and 7 g of crystalline cellulose b to 990 g of the obtained soap base and mix well. The solid soap (Example 1) was obtained by molding with “FP-171” manufactured by Nippon Kako Koki Co., Ltd.
実施例１と同様にして、実施例２〜５および比較例１〜４の固形石鹸を得た。なお、用いた結晶セルロースの粒径分布を表２に示す。結晶セルロースの粒径の測定は、レーザー回折式粒度分布測定装置（島津製作所製「ＳＡＬＤ−２１００」）を用い、精製水を溶媒として測定濃度が光強度分布の最大値の３５〜７５％の範囲であることを確認した後に行った。 In the same manner as in Example 1, solid soaps of Examples 2 to 5 and Comparative Examples 1 to 4 were obtained. The particle size distribution of the crystalline cellulose used is shown in Table 2. The particle size of the crystalline cellulose is measured using a laser diffraction particle size distribution measuring device (“SALD-2100” manufactured by Shimadzu Corporation), and the measured concentration is in the range of 35 to 75% of the maximum value of the light intensity distribution using purified water as a solvent. After confirming that it was.
比較例１では、平均粒径の相対的に大きい方の結晶セルロースｂが相対的に小さい方の結晶セルロースａよりも多すぎるので、泡立ちや泡質が実施例の場合よりも評価が低く、また泡立ち時の感触が良くなかった。比較例２，３では、結晶セルロースｂの平均粒径が小さ過ぎる（または大き過ぎる）ので、泡立ち時の感触が良くなかった。比較例４では、平均粒径の相対的に大きい方の結晶セルロースｂが配合されていないで、泡立ち、泡質、泡立ち時の感触が実施例の場合よりも評価が低かった。 In Comparative Example 1, since crystalline cellulose b having a relatively large average particle diameter is too much than crystalline cellulose a having a relatively small average particle size, the evaluation of foaming and foam quality is lower than that in Examples, The touch when foaming was not good. In Comparative Examples 2 and 3, since the average particle diameter of the crystalline cellulose b was too small (or too large), the feeling when foaming was not good. In Comparative Example 4, the crystalline cellulose b having a relatively large average particle diameter was not blended, and the foaming, foam quality, and feel at the time of foaming were lower than those in Examples.
比較例１〜４に対して実施例１〜５では、石鹸の泡立ち、泡質及び泡立て時の感触がいずれも良好であった。
In Comparative Examples 1-4, in Examples 1-5, soap foaming, foam quality, and feel during foaming were all good.
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