JP2019048979A - Fatty acid magnesium-containing soap composition and method for producing the same - Google Patents
Fatty acid magnesium-containing soap composition and method for producing the same Download PDFInfo
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- JP2019048979A JP2019048979A JP2018188152A JP2018188152A JP2019048979A JP 2019048979 A JP2019048979 A JP 2019048979A JP 2018188152 A JP2018188152 A JP 2018188152A JP 2018188152 A JP2018188152 A JP 2018188152A JP 2019048979 A JP2019048979 A JP 2019048979A
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- fatty acid
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- 239000000344 soap Substances 0.000 title claims abstract description 166
- 239000000203 mixture Substances 0.000 title claims abstract description 110
- 235000014113 dietary fatty acids Nutrition 0.000 title claims abstract description 99
- 239000000194 fatty acid Substances 0.000 title claims abstract description 99
- 229930195729 fatty acid Natural products 0.000 title claims abstract description 99
- 150000004665 fatty acids Chemical class 0.000 title claims abstract description 93
- 239000011777 magnesium Substances 0.000 title claims abstract description 26
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 26
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 85
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910001868 water Inorganic materials 0.000 claims abstract description 31
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 24
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 24
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 24
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 23
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 23
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 23
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 238000007127 saponification reaction Methods 0.000 claims abstract description 16
- 239000007787 solid Substances 0.000 claims abstract description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 15
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011591 potassium Substances 0.000 claims abstract description 13
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 13
- 239000011734 sodium Substances 0.000 claims abstract description 6
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 5
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 30
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 claims description 24
- 235000019359 magnesium stearate Nutrition 0.000 claims description 15
- 239000003513 alkali Substances 0.000 claims description 13
- 150000005846 sugar alcohols Polymers 0.000 claims description 13
- 239000005639 Lauric acid Substances 0.000 claims description 12
- 239000000454 talc Substances 0.000 claims description 12
- 229910052623 talc Inorganic materials 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 9
- -1 Magnesium fatty acid Chemical class 0.000 claims description 8
- 150000004671 saturated fatty acids Chemical class 0.000 claims description 8
- TWJNQYPJQDRXPH-UHFFFAOYSA-N 2-cyanobenzohydrazide Chemical compound NNC(=O)C1=CC=CC=C1C#N TWJNQYPJQDRXPH-UHFFFAOYSA-N 0.000 claims description 7
- 235000021360 Myristic acid Nutrition 0.000 claims description 7
- TUNFSRHWOTWDNC-UHFFFAOYSA-N Myristic acid Natural products CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229920006322 acrylamide copolymer Polymers 0.000 claims description 4
- 125000005131 dialkylammonium group Chemical class 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 abstract description 4
- 230000007794 irritation Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 20
- 235000012245 magnesium oxide Nutrition 0.000 description 18
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 13
- 150000003839 salts Chemical class 0.000 description 12
- 239000006260 foam Substances 0.000 description 10
- 238000005187 foaming Methods 0.000 description 10
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 10
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000004090 dissolution Methods 0.000 description 8
- 235000021355 Stearic acid Nutrition 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 235000011187 glycerol Nutrition 0.000 description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 7
- 239000008117 stearic acid Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 238000013329 compounding Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- 235000021314 Palmitic acid Nutrition 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 5
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 4
- 235000019198 oils Nutrition 0.000 description 4
- 235000011837 pasties Nutrition 0.000 description 4
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 3
- 239000008116 calcium stearate Substances 0.000 description 3
- 235000013539 calcium stearate Nutrition 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000010828 elution Methods 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- 235000003441 saturated fatty acids Nutrition 0.000 description 3
- 239000008149 soap solution Substances 0.000 description 3
- 239000000600 sorbitol Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- 239000005642 Oleic acid Substances 0.000 description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000003240 coconut oil Substances 0.000 description 2
- 235000019864 coconut oil Nutrition 0.000 description 2
- 125000005313 fatty acid group Chemical group 0.000 description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 2
- 239000003346 palm kernel oil Substances 0.000 description 2
- 235000019865 palm kernel oil Nutrition 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 235000011118 potassium hydroxide Nutrition 0.000 description 2
- BTURAGWYSMTVOW-UHFFFAOYSA-M sodium dodecanoate Chemical compound [Na+].CCCCCCCCCCCC([O-])=O BTURAGWYSMTVOW-UHFFFAOYSA-M 0.000 description 2
- 229940082004 sodium laurate Drugs 0.000 description 2
- 229940045845 sodium myristate Drugs 0.000 description 2
- 229940045870 sodium palmitate Drugs 0.000 description 2
- GGXKEBACDBNFAF-UHFFFAOYSA-M sodium;hexadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCC([O-])=O GGXKEBACDBNFAF-UHFFFAOYSA-M 0.000 description 2
- JUQGWKYSEXPRGL-UHFFFAOYSA-M sodium;tetradecanoate Chemical compound [Na+].CCCCCCCCCCCCCC([O-])=O JUQGWKYSEXPRGL-UHFFFAOYSA-M 0.000 description 2
- PRAKJMSDJKAYCZ-UHFFFAOYSA-N squalane Chemical compound CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 229920003169 water-soluble polymer Polymers 0.000 description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- KAKVFSYQVNHFBS-UHFFFAOYSA-N (5-hydroxycyclopenten-1-yl)-phenylmethanone Chemical compound OC1CCC=C1C(=O)C1=CC=CC=C1 KAKVFSYQVNHFBS-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 235000019482 Palm oil Nutrition 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 description 1
- 239000003568 Sodium, potassium and calcium salts of fatty acids Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000003254 anti-foaming effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 229940105990 diglycerin Drugs 0.000 description 1
- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 239000010685 fatty oil Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 235000012254 magnesium hydroxide Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- JXTPJDDICSTXJX-UHFFFAOYSA-N n-Triacontane Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC JXTPJDDICSTXJX-UHFFFAOYSA-N 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000002736 nonionic surfactant Substances 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
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002540 palm oil Substances 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229940114930 potassium stearate Drugs 0.000 description 1
- MQOCIYICOGDBSG-UHFFFAOYSA-M potassium;hexadecanoate Chemical compound [K+].CCCCCCCCCCCCCCCC([O-])=O MQOCIYICOGDBSG-UHFFFAOYSA-M 0.000 description 1
- ANBFRLKBEIFNQU-UHFFFAOYSA-M potassium;octadecanoate Chemical compound [K+].CCCCCCCCCCCCCCCCCC([O-])=O ANBFRLKBEIFNQU-UHFFFAOYSA-M 0.000 description 1
- PYJBVGYZXWPIKK-UHFFFAOYSA-M potassium;tetradecanoate Chemical compound [K+].CCCCCCCCCCCCCC([O-])=O PYJBVGYZXWPIKK-UHFFFAOYSA-M 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 210000002374 sebum Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000008159 sesame oil Substances 0.000 description 1
- 235000011803 sesame oil Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 235000013875 sodium salts of fatty acid Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229940032094 squalane Drugs 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000005480 straight-chain fatty acid group Chemical group 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate group Chemical group S(=O)(=O)([O-])[O-] QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
- 239000002888 zwitterionic surfactant Substances 0.000 description 1
Landscapes
- Cosmetics (AREA)
- Detergent Compositions (AREA)
Abstract
Description
本発明は、皮膚洗浄用の、脂肪酸マグネシウム石鹸組成物及びその製造方法に関し、特に、溶けだしやすく迅速な泡立ちを有し、使用感に優れ、皮膚や目に対して刺激が少なく、環境にも優しい、高級脂肪酸石鹸を主剤とする皮膚洗浄用の、脂肪酸マグネシウム含有石鹸組成物及びその製造方法に関するものである。 The present invention relates to a fatty acid magnesium soap composition for cleansing the skin and a method for producing the same, and in particular, it is easy to melt, has quick lathering, has excellent feeling in use, is less irritating to skin and eyes, and is environmentally friendly. The present invention relates to a fatty acid magnesium-containing soap composition for skin cleansing mainly composed of a higher fatty acid soap and a method for producing the same.
一般的には顔や身体などの皮膚洗浄用組成物は、脂肪酸または油脂を水酸化カリウム、水酸化ナトリウム等の苛性アルカリ、アルカノールアミン類や塩基性アミノ酸等によって中和またはケン化して得られる脂肪酸石鹸、非イオン界面活性剤、陰イオン界面活性剤及び／又は両イオン性界面活性剤等を少なくとも１種以上を混合して調製されており、更にソルビトール、グリセリン、プロピレングリコール、ブチレングリコール、ポリアルキレングリコール等の多価アルコール類及び高分子系化合物などは、配合されて組成物の性能を向上させたり、組成物の粘度等状態を改良させたりするために用いられている。更に必要に応じて、色素や香料等を加熱混合し、溶解させて製造されている。 In general, a composition for cleansing the skin of the face, body, etc. is a fatty acid obtained by neutralizing or saponifying fatty acid or oil with caustic such as potassium hydroxide or sodium hydroxide, alkanolamines or basic amino acid etc. It is prepared by mixing at least one or more kinds of soap, nonionic surfactant, anionic surfactant and / or zwitterionic surfactant, etc., and further, sorbitol, glycerin, propylene glycol, butylene glycol, polyalkylene. Polyhydric alcohols such as glycols and high molecular weight compounds are blended to improve the performance of the composition and to improve the viscosity etc. of the composition. Furthermore, as required, the pigment, the flavor, and the like are mixed by heating and dissolved to manufacture.
皮膚洗浄用組成物の性能の向上、状態の改良のためには以下の種々の方法が提案されている。
例えば、特開２００６−２０６５２５号公報（特許文献１）には、良好な水溶け、起泡性と保存安定性のために、高級脂肪酸のカリウム石鹸と低級アルコール、水を含有したペースト状皮膚洗浄剤を提案されている。
また、特開２００２−３２２４９８号公報（特許文献２）には、炎天下での輸送等による高温下での組成物の分離を改善する方法として、ミリスチン酸とパルミチン酸およびステアリン酸の特定の範囲におかれたカリウム石鹸とプロピレングリコール、グリセリンおよび水の含有される範囲が提案されている。
The following various methods have been proposed to improve the performance of the skin cleansing composition and improve the condition.
For example, Japanese Patent Application Laid-Open No. 2006-206525 (patent document 1) discloses a paste-like skin wash containing potassium soap of a higher fatty acid and a lower alcohol, water, for good water solubility, foamability and storage stability. An agent has been proposed.
In addition, JP 2002-322498 A (patent document 2), as a method for improving the separation of the composition at high temperature by transport under a flame, etc., to a specific range of myristic acid, palmitic acid and stearic acid A range of contained potassium soap and propylene glycol, glycerin and water has been proposed.
特開２００４−２１０７０４号公報（特許文献３）には、皮膚洗浄剤の経時安定性、起泡性、洗浄効果、泡質等の向上、洗浄後の肌が滑らかになるソフニング効果を付与する組成物として、高級脂肪酸石鹸、アミノ酸系ポリマー及びイオン性のことなる二種以上の水溶性高分子を含有する皮膚洗浄組成物が提案されている。
更に、特開２０１１−１２１８７０号公報（特許文献４）には、メイクや皮脂の除去効果に優れたペースト状の皮膚洗浄剤として、硫酸基を有する陰イオン界面活性剤、高級脂肪酸又はその塩、アクリル酸・メタクリル酸アルキル共重合体、（ジ）グリセリンモノ脂肪酸エステル又は（ジ）グリセリンモノアルキルエーテル及びアルキルポリグルコシドの配合物が提案されている。
Japanese Patent Application Laid-Open No. 2004-210704 (Patent Document 3) is a composition that imparts temporal stability, foamability, cleaning effect, improvement of foam quality, etc. of a skin cleansing agent, and a softening effect that makes the skin after cleaning smooth. As the substance, there has been proposed a skin cleansing composition containing a higher fatty acid soap, an amino acid-based polymer and two or more kinds of water-soluble polymers which are different from each other.
Furthermore, in JP 2011-121870 A (patent document 4), an anionic surfactant having a sulfate group, a higher fatty acid or a salt thereof as a paste-like skin cleaner excellent in the effect of removing makeup and sebum, Blends of acrylic acid / methacrylic acid alkyl copolymers, (di) glycerin monofatty acid esters or (di) glycerin monoalkyl ethers and alkyl polyglucosides have been proposed.
しかしながら、高級脂肪酸石鹸を主剤とする配合物であって、使用時に溶け出しが早く、環境にも優しく、しかも皮膚や目に対して刺激が少なく、常温において膨潤して流れることがなく、また石鹸組成物が分離することもない、年間を通して使用性の改良された、高い気泡力を有する、石鹸組成物の実現が期待される。 However, it is a composition based on a higher fatty acid soap, which dissolves quickly when used, is environmentally friendly, is less irritating to the skin and eyes, does not swell and flows at normal temperature, and is soap It is expected to realize a soap composition having high foamability and improved usability throughout the year without the composition separating.
本発明の目的は、通常の石鹸組成物のように界面活性剤を含まず、使用時において溶け出しが早く高い気泡力を有するとともに、常温において膨潤したり流れだしたりすることがなく、使用性に優れ、また皮膚や目に対して刺激が少なく、環境にも優しく、高級脂肪酸石鹸を洗浄成分とする、脂肪酸マグネシウムを含有する石鹸組成物及び、該石鹸組成物を生産性良く製造する方法を提供することにある。
なお、本発明において、「常温」とは５℃〜４５℃までの温度を含むものである。
The object of the present invention is that it does not contain a surfactant as in ordinary soap compositions, has quick dissolution during use, has high cell power, and does not swell or flow out at normal temperature, and is usable And a soap composition containing fatty acid magnesium, which is less irritating to the skin and eyes and environmentally friendly and contains a higher fatty acid soap as a washing component, and a method for producing the soap composition with good productivity. It is to provide.
In the present invention, "normal temperature" includes a temperature of 5 ° C to 45 ° C.
本発明者らは、上記課題を解決するため鋭意研究を行った結果、通常石鹸組成物に使用されている界面活性剤を使用することなく、所定組成の混合脂肪酸、特に飽和脂肪酸を所定のアルカリで鹸化するにあたり、アルカリ成分の一部として、石鹸成分として用いると泡立ちが劣ると言われている水酸化マグネシウム又は酸化マグネシウムを用いることで、上記課題を解決できる石鹸組成物及びその製造が可能となることを見出し、本発明に到達した。 As a result of conducting earnest studies to solve the above problems, the present inventors have determined that mixed fatty acids of a predetermined composition, in particular saturated fatty acids, have a predetermined alkali without using surfactants which are usually used in soap compositions. The soap composition that can solve the above-mentioned problems and the production thereof are possible by using magnesium hydroxide or magnesium oxide which is said to be inferior in foaming when used as a soap component as a part of an alkaline component in saponification with The present invention has been achieved.
即ち請求項１記載の発明は、ラウリン酸及びミリスチン酸を含む炭素数が１２〜２４の脂肪酸からなる混合脂肪酸と、下記割合の水酸化カリウム及び水酸化ナトリウム並びに、水酸化マグネシウム又は酸化マグネシウムとの鹸化由来の脂肪酸マグネシウム及び脂肪酸ナトリウムや脂肪酸カリウムを含む原料石鹸を含み、前記原料石鹸には石鹸分を２０〜４０質量％と、水を１４〜５０質量％の割合で含む（但し、ジアルキルアンモニウム塩−アクリルアミド共重合体は含まない）枠練り固形石鹸又はペースト状石鹸であって、前記水酸化カリウム／水酸化ナトリウムの質量比は９０／１０〜０／１００以下であり、且つ水酸化カリウムと水酸化ナトリウムの合計質量１００質量部に対して水酸化マグネシウム又は酸化マグネシウムを０．１〜７質量部で含むことを特徴とする、脂肪酸マグネシウム含有石鹸組成物である。 That is, according to the first aspect of the present invention, there is provided a mixed fatty acid comprising C12-24 fatty acid containing lauric acid and myristic acid, potassium hydroxide and sodium hydroxide, and magnesium hydroxide or magnesium oxide in the following proportions: The raw material soap contains saponified fatty acid magnesium and a raw material soap containing fatty acid sodium and fatty acid potassium, and the raw material soap contains 20 to 40% by mass of soap and 14 to 50% by mass of water (however, dialkyl ammonium salts -Acrylamide copolymer not included) frame-shaped solid soap or paste-like soap, wherein the mass ratio of potassium hydroxide / sodium hydroxide is 90/10 to 0/100 or less, and potassium hydroxide and water Magnesium hydroxide or magnesium oxide in an amount of 0.1 to 100 parts by mass of the total mass of sodium oxide Characterized in that it comprises in parts by weight, a magnesium fatty acid-containing soap compositions.
請求項２記載の発明は、請求項１記載の石鹸組成物において、前記ラウリン酸及びミリスチン酸を含む炭素数が１２〜２４の脂肪酸は飽和脂肪酸であり、更に、多価アルコール類を２０〜５０質量％含むことを特徴とする、石鹸組成物である。
請求項３記載の発明は、請求項１又は２記載の石鹸組成物において、更にタルクを８質量％以下含み、ステアリン酸マグネシウムを１０質量％以下で含むことを特徴とする、脂肪酸マグネシウム含有石鹸組成物である。
The invention according to claim 2 is the soap composition according to claim 1, wherein the fatty acid having 12 to 24 carbon atoms containing lauric acid and myristic acid is a saturated fatty acid, and 20 to 50 of polyhydric alcohols. It is a soap composition characterized by including mass%.
The invention according to claim 3 is the soap composition according to claim 1 or 2, further comprising: 8% by mass or less of talc and 10% by mass or less of magnesium stearate, wherein the soap composition of fatty acid magnesium is contained It is a thing.
請求項４記載の発明は、枠練り固形石鹸又はペースト状石鹸を製造する方法であって、ラウリン酸及びミリスチン酸を含む炭素数が１２〜２４の脂肪酸からなる混合脂肪酸と、下記水酸化カリウムと水酸化ナトリウムの合計質量１００質量部に対して０．１〜７質量部で配合される水酸化マグネシウム又は酸化マグネシウムと水とを加熱しながら撹拌混合して８０〜１１０℃で鹸化反応させて均質な混合液としたのち、該混合液を７０〜１３０℃で加熱しながら、更に水酸化カリウム／水酸化ナトリウムの質量比が９０／１０〜０／１００である混合アルカリを添加して鹸化して、前記脂肪酸マグネシウム及び脂肪酸ナトリウムや脂肪酸カリウムを含む原料石鹸を調製し、前記原料石鹸には、石鹸分が２０〜４０質量％と水が１４〜５０質量％含まれ、次いで５０〜１００℃で撹拌しながら熟成することを特徴とする、脂肪酸マグネシウム含有石鹸組成物の製造方法（但し、脂肪酸マグネシウム含有石鹸組成物中には、ジアルキルアンモニウム塩−アクリルアミド共重合体は配合されない）である。 The invention according to claim 4 is a method for producing a frame-mixed solid soap or a paste-like soap, which comprises: a mixed fatty acid consisting of a fatty acid having 12 to 24 carbon atoms containing lauric acid and myristic acid; Magnesium hydroxide or magnesium oxide mixed with 0.1 to 7 parts by mass with respect to the total mass 100 parts by mass of sodium hydroxide and water are stirred and mixed while heating, and saponification reaction is carried out at 80 to 110 ° C. to be homogeneous The mixture is saponified by heating the mixture at 70 to 130 ° C. and further adding a mixed alkali having a mass ratio of potassium hydroxide / sodium hydroxide of 90/10 to 0/100. The raw material soap containing the fatty acid magnesium and the fatty acid sodium and the fatty acid potassium is prepared, and the raw material soap contains 20 to 40% by mass of soap and 14 to 50% of water. A method for producing a fatty acid magnesium-containing soap composition, which is characterized in that the composition is contained and then aged with stirring at 50 to 100 ° C (however, in a fatty acid magnesium-containing soap composition, a dialkylammonium salt-acrylamide copolymer Is not blended).
請求項５記載の発明は、請求項４記載の石鹸組成物の製造方法において、原料石鹸を製造するにあたり、前記ラウリン酸及びミリスチン酸を含む炭素数が１２〜２４の脂肪酸及び、水酸化マグネシウム又は酸化マグネシウム並びに水とともに、多価アルコール類を配合して均質な混合液を得ることを特徴とする、脂肪酸マグネシウム含有石鹸組成物の製造方法である。
請求項６記載の発明は、請求項４または５記載の石鹸組成物の製造方法において、更にタルク及びステアリン酸マグネシウムを、前記鹸化前又は鹸化後に添加配合することを特徴とする、脂肪酸マグネシウム含有石鹸組成物の製造方法である。
The invention according to claim 5 is the method for producing a soap composition according to claim 4, wherein when producing the raw material soap, the fatty acid having 12 to 24 carbon atoms containing lauric acid and myristic acid and magnesium hydroxide or A method for producing a fatty acid magnesium-containing soap composition, which comprises blending a polyhydric alcohol with magnesium oxide and water to obtain a homogeneous mixed solution.
The invention according to claim 6 is the method for producing a soap composition according to claim 4 or 5, wherein talc and magnesium stearate are further added and compounded before or after the saponification, soap containing fatty acid magnesium It is a method of producing a composition.
本発明の石鹸組成物は、使用時における石鹸の溶け出しが早いとともに、高い起泡力を有し、常温において膨潤したり流れだしたりすることがなく、優れた使用性を有する。
また、本発明の石鹸組成物は、脂肪酸石鹸分を洗浄成分とし、界面活性剤を含むことがないため、皮膚への刺激が少なく、環境的にも優れている。
更に、水酸化マグネシウム又は酸化マグネシウムを特定の割合でアルカリ成分として含むことで、石鹸分を多く含み、通常ゲル化して撹拌混合できない石鹸組成物であってもゲル化することなく均質な石鹸組成物を調製することができる。
また、タルクを配合すると石鹸組成物のキメがより細かくなると同時に泡が安定化するという優れた効果がある。更に、ステアリン酸マグネシウムを配合することで、均質な流動性に優れるペースト状の石鹸組成物を得ることができる。
また、本発明のペースト状石鹸組成物の製造方法は、上記本発明のペースト状石鹸組成物を効率よく製造することが可能である。
The soap composition of the present invention has a high foaming power as well as quick dissolution of the soap at the time of use, and does not swell or flow at normal temperature, and has excellent usability.
In addition, the soap composition of the present invention contains a fatty acid soap as a cleansing component and does not contain a surfactant, so it is less irritating to the skin and is environmentally superior.
Furthermore, by containing magnesium hydroxide or magnesium oxide as an alkali component in a specific ratio, a soap composition which contains a large amount of soap and which is generally gelled and can not be stirred and mixed can be a homogeneous soap composition without gelation. Can be prepared.
Moreover, when talc is blended, there is an excellent effect that the texture of the soap composition becomes finer and at the same time the foam is stabilized. Furthermore, by blending magnesium stearate, it is possible to obtain a paste-like soap composition excellent in homogeneous fluidity.
Moreover, the method for producing a paste-like soap composition of the present invention can efficiently produce the paste-like soap composition of the present invention.
本発明を以下の好適例に基づいて説明するが、これらに限定されるものではない。
本発明の石鹸組成物は、炭素数が１２〜２４の脂肪酸からなる混合脂肪酸を、水酸化カリウムを９０質量部以下、水酸化ナトリウムを１０〜１００質量部で、且つ水酸化カリウムと水酸化ナトリウムの合計質量１００質量部に対して、水酸化マグネシウム又は酸化マグネシウムを０．１〜７質量部含むアルカリで鹸化して得られる原料石鹸を含み、好適には前記脂肪酸は飽和脂肪酸であり、更に、多価アルコール及び水を含み、原料石鹸を２０〜４０質量％、多価アルコール類を２０〜５０質量％、水分を１１〜５０質量％含む、石鹸組成物である。
より好適には、タルクを８質量％以下含み、ステアリン酸マグネシウムを１０質量％以下で含む石鹸組成物である。
かかる構成を有することで、常温、具体的には５〜４５℃で、使用時において溶け出しが早く高い気泡力を有するとともに、常温において膨潤したり流れだしたりすることがなく、使用性に優れ、また皮膚や目に対して刺激が少なく、環境にも優しい、固体状またはペースト状の石鹸組成物を得る。
The present invention will be described based on the following preferred examples, but is not limited thereto.
The soap composition of the present invention comprises a mixed fatty acid consisting of a fatty acid having 12 to 24 carbon atoms, 90 parts by mass or less of potassium hydroxide, 10 to 100 parts by mass of sodium hydroxide, and potassium hydroxide and sodium hydroxide The raw material soap obtained by saponification with an alkali containing 0.1 to 7 parts by mass of magnesium hydroxide or magnesium oxide with respect to a total mass of 100 parts by mass, preferably the fatty acid is a saturated fatty acid, and It is a soap composition containing polyhydric alcohol and water, 20-40 mass% of raw material soaps, 20-50 mass% of polyhydric alcohols, and 11-50 mass% of water.
More preferably, it is a soap composition containing 8% by mass or less of talc and 10% by mass or less of magnesium stearate.
By having such a configuration, dissolution is fast at use at room temperature, specifically 5 to 45 ° C., and has a high cell power, and does not swell or flow at ordinary temperature, resulting in excellent usability. Also, a solid or pasty soap composition is obtained which is less irritating to the skin and eyes and is environmentally friendly.
本発明の石鹸組成物に含まれる脂肪酸としては、炭素原子数１２〜２４の、飽和脂肪酸及び／又は不飽和直鎖脂肪酸の少なくとも１種、好ましくは２種以上の混合脂肪酸である。
特に、炭素数１２〜１８の飽和脂肪酸及び／又は不飽和直鎖脂肪酸が好適に使用でき、例えば、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、オレイン酸及びそれらの混合物である混合脂肪酸、更に、ヤシ油脂肪酸、パーム核油脂肪酸、パーム油脂肪酸等の水素添加による半硬化及び／又は完全硬化脂肪酸の分留脂肪酸を単独でまたは混合脂肪酸として使用することができる。また、ヤシ油、パーム核油、パーム等の水素添加による半硬化及び/又は完全硬化油を単独でまたは混合油として使用することができる。
また更に好適には、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸等の飽和脂肪酸の混合脂肪酸とすることが低臭気性、色相の経時安定性の点から望ましい。
特に、上記脂肪酸を２種以上の混合脂肪酸とするのは、得られる石鹸組成物に良好な起泡性、泡の安定性、適度な洗浄力を発揮させることができるからである。
The fatty acid contained in the soap composition of the present invention is at least one, preferably two or more mixed fatty acids of saturated fatty acid and / or unsaturated linear fatty acid having 12 to 24 carbon atoms.
In particular, saturated fatty acids having 12 to 18 carbon atoms and / or unsaturated straight-chain fatty acids can be suitably used, for example, mixed fatty acids which are lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid and mixtures thereof Partially hydrogenated fatty acids such as coconut oil fatty acid, palm kernel oil fatty acid, palm oil fatty acid and the like partially hydrogenated fatty acid can be used alone or as mixed fatty acids. In addition, hydrogenated and semi-cured and / or fully-cured oils such as coconut oil, palm kernel oil and palm can be used alone or as a mixed oil.
Furthermore, it is more preferable to use a mixed fatty acid of saturated fatty acids such as lauric acid, myristic acid, palmitic acid and stearic acid from the viewpoint of low odor and the temporal stability of color.
In particular, the reason why the above-mentioned fatty acid is used as two or more kinds of mixed fatty acids is that the resulting soap composition can exhibit good foamability, stability of foam and appropriate detergency.
より好ましくは、本発明の石鹸組成物の石鹸分の原料となる混合脂肪酸の組成としては、脂肪酸中、ラウリン酸等の炭素原子数１２の脂肪酸が０〜５０質量％、ミリスチン酸等の炭素数１４の脂肪酸が３０〜８０質量％、パルミチン酸等の炭素数１６の脂肪酸が５〜３０質量％、ステアリン酸やオレイン酸等の炭素数１８の脂肪酸が０〜３０質量％であることが、良好な起泡性、泡の安定性、適度な洗浄力を発揮する石鹸組成物を製造できる点から好ましい。 More preferably, as the composition of the mixed fatty acid which is a raw material of the soap component of the soap composition of the present invention, 0 to 50% by mass of fatty acid having 12 carbon atoms such as lauric acid, fatty acid, carbon number such as myristic acid It is preferable that the content of the fatty acid of 14 is 30 to 80% by mass, the fatty acid of 16 carbon atoms such as palmitic acid is 5 to 30% by mass, and the fatty acid of 18 carbon atoms such as stearic acid and oleic acid is 0 to 30% by mass. It is preferable from the point which can manufacture the soap composition which exhibits the foamability, foam stability, and moderate detergency.
本発明の石鹸組成物の製造方法において、上記混合脂肪酸を中和して脂肪酸石鹸を得るために使用するアルカリは、水酸化カリウム／水酸化ナトリウム／水酸化マグネシウム又は酸化マグネシウムの混合物である。アルカリ成分中、水酸化カリウム／水酸化ナトリウムの質量比は９０／１０〜０／１００である。これらの水酸化カリウム及び水酸化ナトリウムは、別個に配合しても、または予め配合された混合アルカリを用いてもいずれでも良い。
特に好ましい水酸化カリウム／水酸化ナトリウムの質量比は、８０／２０〜５０／５０である。
In the method for producing the soap composition of the present invention, the alkali used to neutralize the mixed fatty acid to obtain a fatty acid soap is a mixture of potassium hydroxide / sodium hydroxide / magnesium hydroxide or magnesium oxide. In the alkali component, the mass ratio of potassium hydroxide / sodium hydroxide is 90/10 to 0/100. These potassium hydroxide and sodium hydroxide may be blended separately or may be mixed with a previously blended alkali.
An especially preferred potassium hydroxide / sodium hydroxide weight ratio is 80/20 to 50/50.
水酸化カリウムの質量比率が９０より高くなってしまうと、得られる石鹸組成物が常温において流動性を有してしまうからである。特にペースト状の石鹸組成物を得るには、水酸化カリウムは５０以上であることが望ましく、これは５０より水酸化カリウムの比率が低くなると石鹸の硬度が上昇してペースト状でなくなってしまう傾向があるからである。
また、混合脂肪酸の中和には、かかるアルカリを予めアルカリ水溶液（例えば、有効分濃度４８％を基準）として用いる方が短時間で均一な溶液を得ることができる。
If the mass ratio of potassium hydroxide is higher than 90, the resulting soap composition will have fluidity at normal temperature. In particular, to obtain a paste-like soap composition, it is desirable that potassium hydroxide is 50 or more, and this tends to increase the hardness of the soap and make it non-pasty when the proportion of potassium hydroxide is lower than 50 Because there is
In addition, for neutralization of mixed fatty acids, it is possible to obtain a uniform solution in a short time by using such an alkali in advance as an aqueous alkali solution (for example, based on an effective concentration of 48%).
また水酸化マグネシウム又は酸化マグネシウムは、水酸化カリウム及び水酸化ナトリウムの合計質量１００質量部に対して、０．１〜７質量部配合する。かかる配合量で水酸化マグネシウム又は酸化マグネシウムを含有することにより、上記効果を発現することが可能となる。
水酸化マグネシウム又は酸化マグネシウムの配合量が７質量部を超えると、泡立ちが低下したり、石鹸の硬さが低下する。また０．１質量部未満では、豊富な泡立ちが得られなくなる。特に、ペースト石鹸においては、常温において安定なペースト状態が得られなくなる。また固体状石鹸においては低温での泡立ち易さが低下する。
Moreover, 0.1-7 mass parts of magnesium hydroxide or magnesium oxide is mix | blended with respect to the total mass 100 mass parts of potassium hydroxide and sodium hydroxide. By containing magnesium hydroxide or magnesium oxide in such a compounding amount, it is possible to exhibit the above effect.
When the amount of magnesium hydroxide or magnesium oxide exceeds 7 parts by mass, foaming decreases and the hardness of the soap decreases. If the amount is less than 0.1 parts by mass, abundant foaming can not be obtained. In particular, in the paste soap, a stable paste state can not be obtained at normal temperature. In the case of solid soaps, the ease of foaming at low temperatures is reduced.
上記混合脂肪酸と混合アルカリを鹸化して得られた脂肪酸石鹸分としては、例えば、ラウリン酸カリウム／ナトリウムの混合塩、ミリスチン酸カリウム／ナトリウムの混合塩、パルミチン酸カリウム／ナトリウムの混合塩、ステアリン酸カリウム／ナトリウムの混合塩及びオレイン酸カリウム／ナトリウムの混合塩等が挙げられ、これらを２つ以上混合して使用することが起泡性で且つ泡立ちの良いペースト状石鹸を製造できる点から望ましい。
より好ましくは、ラウリン酸カリウム／ラウリン酸ナトリウムの混合塩、ミリスチン酸カリウム／ミリスチン酸ナトリウムの混合塩、パルミチン酸カリウム／パルミチン酸ナトリウムの混合塩、ステアリン酸カリウム／ステアリン酸ナトリウムの混合塩などの、飽和脂肪酸カリウム／飽和脂肪酸ナトリウムの混合塩が、得られる石鹸組成物の臭気、酸化による色相の黄変などの経時変化が少ないために望ましい。
Examples of fatty acid soaps obtained by saponifying mixed fatty acids and mixed alkalis include mixed salts of potassium / sodium laurate, mixed salts of potassium / sodium myristate, mixed salts of potassium / sodium palmitate, stearic acid A mixed salt of potassium / sodium and a mixed salt of potassium / sodium oleate and the like may be mentioned, and it is desirable to use two or more of them in combination from the viewpoint of producing a foamy and foamable paste-like soap.
More preferably, potassium laurate / sodium laurate mixed salt, potassium myristate / sodium myristate mixed salt, potassium palmitate / sodium palmitate mixed salt, potassium stearate / sodium stearate mixed salt, etc. A mixed salt of saturated fatty acid potassium / saturated sodium fatty acid is desirable because it is less likely to change with time, such as the odor of the resulting soap composition or the yellowing of the hue due to oxidation.
本発明の石鹸組成物中、脂肪酸石鹸分は、２０〜４０質量％、好ましくは２２〜３９質量量％含む。
脂肪酸石鹸分が２０質量％未満となると、使用時、充分な泡量が得られない場合があり、一方４０質量％を超えると、脂肪酸のアルカリによる鹸化工程で粘度が上昇し、均質な石鹸が得られ難くなる。
In the soap composition of the present invention, the fatty acid soap content is 20 to 40% by mass, preferably 22 to 39% by mass.
When the content of the fatty acid soap is less than 20% by mass, a sufficient foam amount may not be obtained at the time of use, while when it exceeds 40% by mass, the viscosity increases in the saponification step with fatty acid alkali and homogeneous soap It becomes difficult to obtain.
また、好ましくは、本発明の石鹸組成物がペースト状である場合には、ステアリン酸マグネシウムを１０質量％以下、好ましくは８質量％以下で含む。
ステアリン酸マグネシウムが１０質量％を超えると、ペースト状組成物の流動性は減少するがペーストのキメが粗くなってしまう。
In addition, preferably, when the soap composition of the present invention is paste-like, it contains magnesium stearate at 10% by mass or less, preferably 8% by mass or less.
When the content of magnesium stearate exceeds 10% by mass, the flowability of the paste-like composition decreases but the texture of the paste becomes coarse.
また、ステアリン酸マグネシウムを含むことで、常温（５〜４５℃）における高温側でも流動性を抑制し、低温での硬化を抑制するという作用があり、また洗浄時において制泡性もなく潤滑性のある泡を提供できると共に洗浄後にしっとり感等良好な感触を与えることができる。
好ましくは、ステアリン酸マグネシウムの脂肪酸基は炭素数１８のものを８０質量％以上含んでいることが望ましい。炭素数１８未満の脂肪酸基が多くなるとペースト状である石鹸組成物の流動性が大きくなる傾向がある。
In addition, by containing magnesium stearate, it has the effect of suppressing fluidity even on the high temperature side at normal temperature (5 to 45 ° C.) and suppressing curing at low temperature, and there is no antifoaming property at the time of washing and lubricity. While being able to provide a certain bubble, it can give a good touch such as moist feeling after washing.
Preferably, the fatty acid group of magnesium stearate preferably contains 80% by mass or more of one having 18 carbon atoms. When the fatty acid group having less than 18 carbon atoms is increased, the flowability of the paste-like soap composition tends to be increased.
ここで、本発明の石鹸組成物にはステアリン酸カルシウムは含まれず、ステアリン酸カルシウムは、ステアリン酸マグネシウムの代替として使用することはできない。
これは、ステアリン酸カルシウムでは、ペースト状となる石鹸組成物の流動性を抑制することができず、また低温での硬化を抑制することが難しいためである。
Here, the soap composition of the present invention does not contain calcium stearate, and calcium stearate can not be used as a substitute for magnesium stearate.
This is because calcium stearate can not suppress the flowability of the paste-like soap composition, and it is difficult to suppress the curing at a low temperature.
さらに好適には、本発明の石鹸組成物には、タルクを含有する。
タルクは、本発明の石鹸組成物中に８質量％以下、好ましくは０．５〜８質量％の割合で含有される。
かかる含有割合でタルクを含むことにより、石鹸組成物の状態が流れにくくなると同時に硬化を抑制するという効果がある。
More preferably, the soap composition of the present invention contains talc.
Talc is contained in the soap composition of the present invention in a proportion of 8% by mass or less, preferably 0.5 to 8% by mass.
By including talc at such a content ratio, the state of the soap composition becomes difficult to flow, and at the same time, there is an effect of suppressing the curing.
また、本発明の石鹸組成物には、水が含まれ、該水は添加水及び各原料に含まれる水及び脂肪酸とアルカリとの中和によって生成する水分等が該当し、石鹸組成物中、１１〜５０質量％、好ましくは１１〜４７質量％である。
水分は水酸化カリウム／水酸化ナトリウムの質量比が９０／１０から０／１００になるにつれて、より多くの水分を含有することが必要となる。水酸化ナトリウムの使用割合が高くなるにつれて、鹸化によって生成する脂肪酸のナトリウム塩の濃度が高くなるが、生成する脂肪酸のナトリウム塩の水に対する溶解度が小さいためと考えられる。
水分が５０質量量％を超えると、使用時に満足する起泡性、泡量が得られにくくなり、一方１１質量％未満となると、固体状石鹸は製造時粘度が上昇し混合が難しくなる。
かかる範囲で水の含有量を調整すると、常温におけるペースト状石鹸組成物は、粘度も適正な範囲であり、流れ出す等の流動性を有さず、また硬く固形化することもない、ペースト状石鹸組成物を得ることができる。
Further, the soap composition of the present invention contains water, and the water corresponds to added water and water contained in each raw material, water generated by neutralization of fatty acid and alkali, etc. It is 11 to 50% by mass, preferably 11 to 47% by mass.
The water content needs to contain more water as the potassium hydroxide / sodium hydroxide mass ratio becomes 90/10 to 0/100. The higher the proportion of sodium hydroxide used, the higher the concentration of sodium salts of fatty acids produced by saponification, but it is considered to be because the solubility of sodium salts of produced fatty acids in water is small.
If the water content is more than 50% by mass, it is difficult to obtain satisfactory foamability and foam amount at the time of use. On the other hand, when it is less than 11% by mass, the solid soap has increased viscosity during manufacture and mixing becomes difficult.
When the content of water is adjusted within such a range, a paste-like soap composition at normal temperature has an appropriate range of viscosity, does not have fluidity such as flowing out, and is hard and does not solidify, paste-like soap A composition can be obtained.
また、本発明の石鹸組成物には、多価アルコール類を含有する。
多価アルコール類としては、エチレングリコール、ジエチレングリコール、プロピレングリコール、ジプロピレングリコール、グリセリン、ジグリセリン、ソルビトール等が例示できる。
多価アルコール類は、本発明の石鹸組成物中、２０〜５０質量％、好ましくは３０〜４７質量％の割合で含有される。
含有量が２５質量％未満では、低温でのペースト状態は得にくく、固体化においても鹸化工程で撹拌混合が難しくなる。また、５０質量％を超えると、ペースト状態は、夏場の常温ではペーストが流動してしまう。また、固体状態は、常温においても柔らか過ぎることとなる。
かかる含有割合で多価アルコール類を含むことにより、本発明の石鹸組成物の製造時に、例えば、６０〜１３０℃、好ましくは７０〜１３０℃でゲル化することもなく容易に鹸化することができ、水への溶解が速くなると同時に起泡しやすくなるという効果がある。
Further, the soap composition of the present invention contains polyhydric alcohols.
Examples of polyhydric alcohols include ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, glycerin, diglycerin, sorbitol and the like.
The polyhydric alcohols are contained in the proportion of 20 to 50% by mass, preferably 30 to 47% by mass in the soap composition of the present invention.
If the content is less than 25% by mass, it is difficult to obtain a paste state at a low temperature, and it is difficult to stir and mix in the saponification step also in solidification. Moreover, when it exceeds 50 mass%, a paste will flow at normal temperature of a summer season. In addition, the solid state is too soft even at normal temperature.
By containing the polyhydric alcohol in such a content ratio, it can be easily saponified without gelation at, for example, 60 to 130 ° C., preferably 70 to 130 ° C. at the time of production of the soap composition of the present invention There is an effect that the dissolution in water becomes fast and at the same time, it becomes easy to foam.
上記本発明の石鹸組成物を製造するには、以下の方法が例示できる。
炭素数が１２〜２４の脂肪酸からなる混合脂肪酸と、水酸化マグネシウム又は酸化マグネシウムを加熱溶融し、撹拌混合して均質な混合液とする。次いで、該混合液を７０〜１３０℃で加熱しながら、水酸化カリウム／水酸化ナトリウムの質量比が９０／１０〜０／１００である混合アルカリで鹸化する工程が実施される。水酸化カリウム／水酸化ナトリウムの配合質量比は９０／１０〜０／１００であり、且つ水酸化カリウムと水酸化ナトリウムの合計質量１００質量部に対して、水酸化マグネシウム又は酸化マグネシウムを０．１〜７質量部配合することにより原料石鹸を調製する。
The following methods can be illustrated to manufacture the soap composition of the said invention.
A mixed fatty acid consisting of a fatty acid having 12 to 24 carbon atoms and magnesium hydroxide or magnesium oxide are heated and melted, and mixed by stirring to obtain a homogeneous mixed liquid. Next, while heating the mixture at 70 to 130 ° C., a step of saponifying with a mixed alkali in which the mass ratio of potassium hydroxide / sodium hydroxide is 90/10 to 0/100 is performed. The compounding mass ratio of potassium hydroxide / sodium hydroxide is 90/10 to 0/100, and 0.1 mass of magnesium hydroxide or magnesium oxide with respect to 100 mass parts of total mass of potassium hydroxide and sodium hydroxide. The raw material soap is prepared by blending up to 7 parts by mass.
このようにして得られた原料石鹸は、ニートソープとして、また必要に応じてソープチップを調製し、機械練固形石鹸、枠練り固形石鹸、ペースト状石鹸を製造することができる。 The raw material soap obtained in this manner can be prepared as a neat soap and, if necessary, a soap tip to produce a machine-milled solid soap, a frame-mixed solid soap and a paste-like soap.
更にタルク及びステアリン酸マグネシウムを、前記鹸化前又は鹸化後に添加配合することで、特に、流動性に優れたペースト状石鹸組成物が得られる。
ステアリン酸マグネシウムは、初期原料として脂肪酸、水、多価アルコール、水酸化マグネシウム又は酸化マグネシウムとともに配合しても、また鹸化後に、石鹸組成物を調製する際に添加配合してもいずれでもよい。
Further, by adding and mixing talc and magnesium stearate before or after the saponification, a paste-like soap composition having particularly excellent fluidity can be obtained.
Magnesium stearate may be blended with fatty acid, water, polyhydric alcohol, magnesium hydroxide or magnesium oxide as an initial raw material, or may be added or blended in preparing a soap composition after saponification.
また、必要に応じて、上述した必須成分以外にも高級アルコール類、スクワラン、種々の液体状あるいは固体状脂肪酸エステル類、オリーブ油、ゴマ油等の各種精製天然油脂類などの油性成分、ポリオキシエチレンアルキル変性ジメチルシリコ―ンなどのシリコーン誘導体、各種水溶性高分子、各種キレート剤、各種防腐剤、各種紫外線防止剤、動植物由来の各種天然抽出物類、凝固点、硬度の調節に食塩、ボウ硝等の無機塩、酸化防止剤、色素類、香料類、その他を本発明の効果を損なわない程度の範囲内で任意に配合させることができる。 In addition to the above-mentioned essential components, if necessary, oily components such as higher alcohols, squalane, various liquid or solid fatty acid esters, various refined natural fats and oils such as olive oil, sesame oil, etc., polyoxyethylene alkyl Silicone derivatives such as denatured dimethyl silicone, various water-soluble polymers, various chelating agents, various preservatives, various UV inhibitors, various natural extracts derived from animals and plants, freezing point, adjustment of hardness, such as sodium chloride and sodium sulfate Inorganic salts, antioxidants, pigments, perfumes, and the like can be optionally blended within a range that does not impair the effects of the present invention.
以下、本発明を次の実施例、比較例及び試験例により詳細に説明するが、本発明はこれらに限定されるものではない。
使用した配合原材料は下記のものである。
［配合成分］
（１）脂肪酸
ラウリン酸（ＭＷ２００）：商品名 ＩＭＥＸ Ｃ１２９９ ＩｎｔｅｒＭｅｄ
Ｓｄｎ．Ｂｈｄ
ミリスチン酸（ＭＷ２２８）：商品名 ＩＭＥＸ Ｃ１４９９ ＩｎｔｅｒＭｅｄ
Ｓｄｎ．Ｂｈｄ
パルミチン酸（ＭＷ２５６）：商品名 ＩＭＥＸ Ｃ１４９８ ＩｎｔｅｒＭｅｄ
Ｓｄｎ．Ｂｈｄ．
ステアリン酸（ＭＷ２８４）：商品名 ＩＭＥＸ ＳＴＥＡＲＩＣ ＡＣＩＤ ＳＴ
ＩｎｔｅｒＭｅｄ Ｓｄｎ．Ｂｈｄ．
（２）アルカリ
水酸化ナトリウム：商品名 カセイソーダ液 含有量４８％ 純正化学株式会社
水酸化カリウム ：商品名 カセイカリ液 含有量４８％ 純正化学株式会社製
水酸化マグネシウム粉末（１００％）試薬：昭和一級 昭和化学株式会社製
酸化マグネシウム：商品名 酸化マグネシウム（UC９５/S/M/H） 宇部マテリアルズ株式会社製
（３）多価アルコール類
グリセリン：商品名 ＩＭＥＸ ＧＬＹＣＥＲＩＮＥ ９９．５ ＵＳＰ／ＢＰ
ＩｎｔｅｒＭｅｄ Ｓｄｎ．Ｂｈｄ．
（４）ソルビトール：商品名 ＮＥＯＳＯＲＢ７０／７０（成分・含有量：７０質量％）
（５）精製水：商品名 高純度精製水（成分・含有量：純粋１００％） 株式会社山栄製（６）タルク：商品名 ＳＷ−Ａ ＴＡＬＣ（成分・含有量：１００％）浅田製粉株式会
社
（７）ステアリン酸マグネシウム ：ダイワックス（ステアリン酸マグネシウム Ｍ）大日化学工業株式会社
Hereinafter, the present invention will be described in detail by way of the following examples, comparative examples and test examples, but the present invention is not limited thereto.
The compounding raw materials used are as follows.
Ingredients
(1) Fatty acid lauric acid (MW 200): trade name IMEX C1299 InterMed
Sdn. Bhd
Myristic acid (MW 228): trade name IMEX C1499 InterMed
Sdn. Bhd
Palmitic acid (MW 256): trade name IMEX C1498 InterMed
Sdn. Bhd.
Stearic acid (MW 284): trade name IMEX STEARIC ACID ST
InterMed Sdn. Bhd.
(2) Alkaline sodium hydroxide: trade name caustic soda solution content 48% pure chemical Co., Ltd. potassium hydroxide: trade name caustic juice liquid content 48% pure chemical corporation make magnesium hydroxide powder (100%) Reagent: Showa grade Showa Magnesium oxide manufactured by Chemical Co., Ltd .: trade name magnesium oxide (UC95 / S / M / H) Ube Materials, Inc. (3) Polyhydric alcohols Glycerin: trade name IMEX GLYCERINE 99.5 USP / BP
InterMed Sdn. Bhd.
(4) Sorbitol: trade name NEOSORB 70/70 (component and content: 70% by mass)
(5) Purified water: Brand name High purity purified water (component and content: 100% pure) Sanei Co., Ltd. (6) Talc: Brand name SW-A TALC (component and content: 100%) Asada flour stock Meeting
Company
(7) Magnesium stearate: Die wax (Magnesium stearate M) Dainichi Chemical Co., Ltd.
（実施例１〜３０、比較例１〜９）
冷却還流管と攪拌機をつけた２Ｌのガラス製四つ口フラスコに、所定量の精製水と、所定量の水酸化マグネシウム又は酸化マグネシウムと、所定量のグリコールと、所定の脂肪酸とを、表１〜３に示す原料仕込配合割合で仕込み、加温・撹拌しながら８０〜１１０℃まで昇温して水酸化マグネシウム又は酸化マグネシウムが溶解、反応して、添加した固体物が消失して、白濁混合状態となるまで、撹拌を続行した。
(Examples 1 to 30, Comparative Examples 1 to 9)
In a 2 L four-necked glass flask equipped with a cooling reflux tube and a stirrer, a predetermined amount of purified water, a predetermined amount of magnesium hydroxide or magnesium oxide, a predetermined amount of glycol and a predetermined fatty acid, as shown in Table 1 The raw materials are mixed at a mixing ratio of 3 to 3 and heated to 80 to 110 ° C while heating and stirring to dissolve or react with magnesium hydroxide or magnesium oxide, and the added solid disappears, causing white turbidity mixing Stirring was continued until the condition was reached.
次いで、温度を７０℃以上、好ましくは７０〜１３０℃に保持しながら所定量の水酸化カリウム水溶液及び／又は水酸化ナトリウム水溶液をそれぞれ単独または混合物で徐々に滴下しながら鹸化（中和）して、石鹸分（原料ソープ）を調製した。
その後、５０〜１００℃、好ましくは６０〜９５℃で撹拌しながら、均一な混合物が得られるまで熟成した（約１時間程度）。
熟成後、養生用の容器に入れて冷却して、各石鹸組成物１ｋｇを得た。
また得られた各石鹸組成物の性状も表１〜３に示す。
Then, while maintaining the temperature at 70 ° C. or higher, preferably 70 to 130 ° C., saponification (neutralization) is performed while gradually dropping a predetermined amount of aqueous potassium hydroxide solution and / or aqueous sodium hydroxide solution individually or in a mixture. The soap content (raw material soap) was prepared.
Thereafter, the mixture was aged at 50 to 100 ° C., preferably 60 to 95 ° C., until a homogeneous mixture was obtained (about 1 hour).
After aging, it was placed in a curing container and cooled to obtain 1 kg of each soap composition.
The properties of each of the obtained soap compositions are also shown in Tables 1 to 3.
（試験例）
試験例１：起泡力試験
実施例１〜３２、比較例１〜９で得られた各石鹸組成物から複数の石鹸組成物を抜粋して、起泡力試験を行った結果を表１〜３に示す。
具体的には、実施例１〜１０、１２〜１４、１６、１９〜２１、２６、２９〜３２及び比較例１〜３、５の各石鹸組成物に水を配合して試験用石鹸溶液２００ｇを調製するにあたり、該溶液中の石鹸分が、０．３０質量％となるように石鹸組成物を秤取して、各試験用石鹸溶液を調製した。
具体的には、例えば実施例１の石鹸組成物では表１より石鹸分が２２，６質量％であるので、石鹸分０．３質量％の試験用石鹸溶液２００ｇを調製するためには、下記の式で求められる石鹸組成物２．６５ｇを秤取した。
実施例１の石鹸組成物（ｇ）＝｛２００（ｇ）×０．３（質量％）／１００｝／｛２２．６（質量％）／１００｝＝２．６５（ｇ）
該実施例１の石鹸組成物２．６５（ｇ）を２００ｍｌのガラスビーカーに秤取し、更に水を加えて全質量を２００ｇとし、撹拌溶解して起泡力を実施した。
このようして得られた各石鹸組成物溶液を、泡立て装置（ＴＥＳＣＯＭ ＴＭ８１００）ジュースミキサー（容量１０００ｍｌ）に注入し、注入後ふたをかぶせてから１０秒間撹拌し、２分間静置した後、起泡高を測定した。
その結果を表１〜３に示す。
(Test example)
Test Example 1: Foaming Force Test A plurality of soap compositions were extracted from each of the soap compositions obtained in Examples 1 to 32 and Comparative Examples 1 to 9, and the results of the foaming test were as shown in Table 1 It is shown in 3.
Specifically, the soap composition of each of Examples 1 to 10, 12 to 14, 16, 19 to 21, 26, 29 to 32 and Comparative Examples 1 to 3 and 5 was mixed with 200 g of a soap solution for test. The soap composition was weighed so that the soap content in the solution was 0.30% by mass to prepare each test soap solution.
Specifically, for example, in the soap composition of Example 1, since the soap content is 22,6% by mass according to Table 1, in order to prepare 200 g of a test soap solution having a soap content of 0.3% by mass, 2.65 g of a soap composition determined by the following equation was weighed.
Soap composition of Example 1 (g) = {200 (g) × 0.3 (mass%) / 100} / {22.6 (mass%) / 100} = 2.65 (g)
The soap composition 2.65 (g) of Example 1 was weighed in a 200 ml glass beaker, water was further added to make the total mass to 200 g, and stirred to dissolve to give a foaming power.
Each soap composition solution thus obtained is poured into a bubbling apparatus (TESCOM TM 8100) juice mixer (volume 1000 ml), covered with a lid and then stirred for 10 seconds, allowed to stand for 2 minutes, then raised. The foam height was measured.
The results are shown in Tables 1 to 3.
上記結果より、配合成分が本発明の範囲内であるペースト状または固体状の石鹸組成物では、高い安定した起泡力を有し、配合成分が本件発明の範囲外であったり、その配合量が本件発明の範囲外等であると、得られる石鹸は、起泡力に劣ることがわかる。なお、表１〜３に具体的に値を記載していない他の実施例においても、表１〜３に記載の実施例のものとほぼ同等の起泡高を有し、ペースト状石鹸のものは少なくとも７００ｍｌ以上、また固体石鹸のものは７１５ｍｌ以上の起泡高であった。 From the above results, in the pasty or solid soap composition in which the compounding component is within the range of the present invention, it has high stable foaming power and the compounding component is outside the range of the present invention, or the compounding amount thereof Is out of the scope of the present invention, etc., the resulting soap is found to be inferior in foaming power. In addition, also in the other Examples which do not specifically describe the values in Tables 1 to 3, the foams having a foam height substantially equivalent to those of the examples described in Tables 1 to 3 and of paste-like soap Is at least 700 ml, and that of the solid soap is at least 715 ml.
試験例２：溶解性試験
実施例１〜３２、比較例１〜１０で得られた各石鹸組成物から数種類の石鹸組成物を抜粋して、溶解性試験を行った。
実施例１５〜１７、２２及び比較例４、６で得られた各石鹸組成物を、石鹸製造用ゴム型に充填して、予め準備した長さ５００ｍｍ、直径８ｍｍｍの金属ねじ棒を、前記ゴム型の注入口より垂直かつ中心部の底部まで入れて固定し、２４時間以上静置して固化させた。
該固化した各石鹸を外形が円状になるように調製し、石鹸と金属ねじ棒の総質量（Ａ）を測定した。
Test Example 2: Solubility Test Several types of soap compositions were extracted from each of the soap compositions obtained in Examples 1 to 32 and Comparative Examples 1 to 10 to conduct solubility tests.
Each of the soap compositions obtained in Examples 15 to 17 and 22 and Comparative Examples 4 and 6 is filled in a rubber mold for producing a soap, and a metal screw rod having a length of 500 mm and a diameter of 8 mm prepared in advance is prepared. The mold was placed vertically from the injection port of the mold to the bottom of the center and fixed, and allowed to stand for 24 hours or more to solidify.
Each solidified soap was prepared so that the outer shape became a circle, and the total mass (A) of the soap and the metal screw rod was measured.
次いで、撹拌モータ（商品名 ＴＯＲＮＡＤＯ 型番：ＳＭ−１０３、ＡＳ ＯＮＥ ＣＯＲＰＯＲＡＴＩＯＮ社製）に金属ねじ棒を回転軸としに固定するとともに、予め準備した２５℃の水２０００ｍｌを入れた３０００ｍｌのビーカーの中に、金属ねじ棒で固定された各石鹸がビーカーの壁面や底面に触れないように底部から１０ｍｍ上部に石鹸の底部が位置するように固定した。
次いで、水温を３０℃に保持して３０分間、４５０ｒｐｍで撹拌モータにて回転させたのち、ビーカーから引き上げて、更に７００ｒｐｍで３分間回転させて水分を切った後の石鹸と金属ねじ棒の総質量（Ｂ）を測定した。
溶出率として、以下の式を用いて評価した。
溶出率（％）＝（浸漬後の総質量（Ａ）−浸漬前の総質量（Ｂ））×１００／浸漬前の総質量（Ａ）
その結果を表４に示す。
Next, while fixing a metal screw rod as a rotating shaft to a stirring motor (trade name: TORNADO model number: SM-103, manufactured by AS ONE CORPORATION), inside a 3000 ml beaker containing 2000 ml of 25 ° C. water prepared in advance. The bottom of the soap was fixed at a position 10 mm above the bottom so that each soap fixed by a metal screw rod did not touch the wall or bottom of the beaker.
Next, the water temperature is maintained at 30 ° C. and rotated by a stirring motor at 450 rpm for 30 minutes, then pulled up from the beaker, and further rotated at 700 rpm for 3 minutes to remove water, and the total of soap and metal screw bar The mass (B) was measured.
The dissolution rate was evaluated using the following equation.
Elution rate (%) = (total mass after immersion (A)-total mass before immersion (B)) x 100 / total mass before immersion (A)
The results are shown in Table 4.
上記表１〜４より、本発明の石鹸は、比較例の石鹸と比較して、石鹸の溶出率が高く、実際に使用する際の実用温度範囲において、溶け出しが迅速であり（溶解性試験）、また石鹸の溶け崩れが少ない（膨潤試験）ことがわかる。なお、表４に具体的に記載していない他の実施例においても、溶出率は表４に記載のものとほぼ同等の値を有し、溶出率≦−５％であった。 According to Tables 1 to 4 above, the soap of the present invention has a high dissolution rate of soap compared to the soap of the comparative example, and the dissolution is quick in the practical temperature range when actually used (solubility test Also, it can be seen that there is little dissolution of soap (swelling test). In addition, also in the other Examples which are not specifically described in Table 4, the elution rate had almost the same value as that described in Table 4, and the elution rate was ≦ -5%.
本発明の石鹸組成物は、ペースト状または固体状の石鹸として、顔や身体の皮膚洗浄用に適用することができる。 The soap composition of the present invention can be applied as a pasty or solid soap for cleansing the skin of the face and body.
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| JPS5798235A (en) * | 1980-12-10 | 1982-06-18 | Nippon Oil & Fats Co Ltd | Preparation of metallic soap |
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|---|---|---|---|---|
| JPS5798235A (en) * | 1980-12-10 | 1982-06-18 | Nippon Oil & Fats Co Ltd | Preparation of metallic soap |
| JPS58186427A (en) * | 1982-04-26 | 1983-10-31 | Nippon Gosei Senzai Kk | Emulsifying agent composition for petroleum product |
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| JPH05271697A (en) * | 1992-03-26 | 1993-10-19 | Kao Corp | Solid soap composition |
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