EP0947579A1 - Savon solide transparent et pate de savon transparente - Google Patents
Savon solide transparent et pate de savon transparente Download PDFInfo
- Publication number
- EP0947579A1 EP0947579A1 EP97939200A EP97939200A EP0947579A1 EP 0947579 A1 EP0947579 A1 EP 0947579A1 EP 97939200 A EP97939200 A EP 97939200A EP 97939200 A EP97939200 A EP 97939200A EP 0947579 A1 EP0947579 A1 EP 0947579A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transparent
- soap
- fatty acid
- alkali
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D13/00—Making of soap or soap solutions in general; Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0095—Solid transparent soaps or detergents
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D9/00—Compositions of detergents based essentially on soap
- C11D9/002—Non alkali-metal soaps
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D9/00—Compositions of detergents based essentially on soap
- C11D9/02—Compositions of detergents based essentially on soap on alkali or ammonium soaps
Definitions
- the present invention relates generally to a transparent solid soap and a transparent soap material and, more particularly, to a transparent solid soap and a transparent soap material which can be easily produced without requiring a fine control of a water content and a maturing period till reduction in weight is settled and, besides, exhibit high stabilities of transparency and weight with a passage of time.
- a transparent soap is visually beautiful and excellent in terms of safety and detergency, and is therefore widely used as a detergent.
- the transparent soap is mixed with a moisture absorbing component as an indispensable component such as polysaccharide, and the like in order to create the transparency and mixed, in addition, with a volatile component such as ethanol, and the like.
- the transparent solid soap declines in terms of the transparency on the contrary when the moisture component absorbs the moisture content, and it is therefore required that fine control of the water content be precisely made by a hot roll while monitoring the transparency and the water content. Further, when mixed with the volatile component, the volatile component volatilizes, resulting in a decrease in weight. Hence, a maturing period as long as several weeks through several months is needed till the decrease in weight is settled. Namely, it is quite troublesome to execute the control so as to exhibit high transparency and high stabilities of transparency and of weight with a passage of time in terms of manufacturing the transparent solid soap.
- the transparent solid soap is mixed with organic amine such as triethanolamine, but high-concentration mixing was not carried out. Further, it was not absolutely known that the transparent solid soap and the transparent soap material, which can be easily produced and exhibit the high stability, are obtained by mixing with organic amine such as triethanolamine with the high concentration.
- the present inventors obtained the soap that remains transparent even when polysaccharide and alcohol are not required to be indispensable components, which involves using sodium hydroxide and organic amine at a predetermined ratio as alkali used for saponification and letting a quantity of alkali with respect to fatty acid be a predetermined saponifying equivalent, and found out that this transparent soap is easy to produce and exhibits a good stability, thus having completed the present invention.
- the present invention relates to a transparent solid soap obtained by saponifying fatty acid or animal/vegetable oil with alkali, which comprises mainly a salt of fatty acid, wherein
- the organic amine is triethanolamine.
- the present invention relates to a transparent soap material obtained by saponifying fatty acid or animal/vegetable oil with alkali, which comprises mainly a salt of fatty acid, wherein
- the transparent soap material according to the present invention can be solidified as a pellet.
- the present invention relates to a transparent solid soap obtained by molding the above transparent soap material.
- transparent implies a state of being substantially clear with slight turbidity as well as implying that a transmissivity of the visible light is approximately 25% or above. Moreover, the term “transparent” is not limited to achromatic transparency.
- the “transparent solid soap” is conceptualized as being molded and solidified into a usable form, while the “transparent soap material” is conceptualized as a state before being molded into the transparent solid soap.
- the "transparent solid soap” includes a soap molded into the usable form, a portion of which is transparent.
- the term "saponifying equivalent” means a minimum alkali quantity needed for transforming all of fatty acid or animal/vegetable oil into a salt of fatty acid, i.e., into a soap, and a quantity thereof should be regarded as 1 saponifying equivalent.
- the transparent solid soap and the transparent soap material according to the present invention are the transparent soap in which polysaccharide such as sorbitol or alcohol such as ethanol are not used as indispensable components. Accordingly, it is rare to generate turbidity caused by moisture absorption or crystal depositon, and the like, which happen on a soap comprising the polysacchride, and excellent in terms of a stability of transparency with a passage of time. Moreover, the transparent solid soap and the transparent soap material according to the present invention are easy to produce for the reason that a labor for controlling a moisture content is reduced because of moisture absorbing components such as polysaccharide being not indispensable, and that a maturing period till a reduction in weight is settled after a volatile component such as alcohol has come to an equilibrium, is not indispensable.
- a transparent solid soap of the present invention is obtained by saponifying fatty acid or animal/vegetable oil with alkali, which comprises mainly a salt of fatty acid, wherein
- organic amine diethanolamine, triethanolamine, triethylamine, trimethylamine and diethylamine, and the like are exemplified as preferable organic amine.
- triethanolamine is particularly preferable.
- One kind of organic amine may be solely used, or tow or more kinds of amine may also be employed in combination.
- the alkali quantity in saponifying the fatty acid or the animal/vegetable oil with the alkali is preferably 2 to 3 saponifying equivalents, more preferably, 2.1 to 2.9 saponifying equivalents and, much more preferably, 2.2 to 2.7 saponifying equivalents with respect to the fatty acid or the animal/vegetable oil.
- the term "saponifying equivalent” in the present invention means a minimum alkali quantity required for transforming all of the fatty acid or the animal/vegetable oil into a salt of fatty acid, viz., into the soap, and a quantity thereof should be regarded as 1 saponifying equivalent.
- the alkali quantity corresponding to 1 saponifying equivalent can be obtained as the alkali quantity necessary for neutralizing the acid derived from the fatty acid, calculating the acid quantity from the weight and the molecular weight of the fatty acid.
- a ratio of the sodium hydroxide to the organic amine is preferably from 1 : 0.8 to 1 : 2, more preferably from 1 : 0.9 to 1 : 1.9 and, still more preferably, from 1 : 1 to 1 : 1.8 in molar ratio.
- the fatty acid or the animal/vegetable oil used for the transparent solid soap according to the present invention may be those generally employed as fundamental sources.
- the fatty acid there can be specifically exemplified stearic acid, lauric acid, myristic acid, palmitic acid and behenic acid and the like.
- the fatty acid whether synthetic or natural, may be available.
- the animal/vegetable oil specifically, beef tallow, coconut oil and hydrogenated coconut oil, and the like, which is previously hydrolyzed into the fatty acid, may be used or may be used intact.
- a quantity of the fatty acid prepared as a raw material into the transparent solid soap according to the present invention is preferably from 30% to 60% by weight, more preferably from 35% to 57% by weight and, much more preferably, from 37% to 55% by weight.
- a preparing quantity of triethanolamine is from 30% to 50% by weight, more preferably from 31% to 47% by weight, and even more preferably from 32% to 45% by weight.
- a preparing quantity of sodium hydroxide is preferably from 5% to 10% by weight, more preferably from 5.5% to 9.5% by weight, and much more preferably from 6% to 9% by weight.
- the transparent solid soap according to the present invention if in such a range as not to spoil the effects of the present invention, there can be optional components generally used for the soap in addition to the indispensable components described above.
- optional components there may be exemplified, e.g., antioxidant such as BHT, chelating agent such as EDTA and hydroxyethane diphosphonic acid, antiseptic agent such as methylparaben, coloring matters, pigments, fine particles, mica titanes with interference colors, pearl agent such as mica titanes, perfume, surface active agent such as POE added sodium alkylsulfate, and monovalent or polyvalent alcohol or polysaccharide such as ethanol, glycerine, white saccharide, maltitol, sorbitol and honey and the like.
- antioxidant such as BHT
- chelating agent such as EDTA and hydroxyethane diphosphonic acid
- antiseptic agent such as methylparaben
- the transparent solid soap according to the present invention is mixed with the coloring matters, the pigments, the fine particles, the mica titanes with interference colors or the pearl agent as the above optional component, whereby the soap can, though the transparency might be spoiled to some extent depending on an addition quantity, become highly lustrous and conspicuous in color.
- the transparent solid soap according to the present invention can be manufactured by an ordinary transparent solid soap manufacturing method.
- the transparent solid soap can be manufactured by a frame kneading method of saponifying the fatty acid or the animal/vegetable oil with alkali, melting a mixture by heating that are mixed with other components as the necessity arises, pouring the mixture into a mold and solidifying it by cooling.
- a transparent soap material of the present invention is obtained by saponifying fatty acid or animal/vegetable oil with alkali, which comprises mainly a salt of fatty acid, wherein
- diethanolamine, triethanolamine, triethylamine, trimethylamine and diethylamine, and the like are exemplified as preferable organic amino.
- triethanolamine is particularly preferable.
- One kind of organic amine may be solely used, or tow or more kinds of amine may also be employed in combination.
- the alkali quantity in saponifying the fatty acid or the animal/vegetable oil with the alkali is preferably 2 to 3 saponifying equivalents, more preferably, 2.1 to 2.9 saponifying equivalents and, much more preferably, 2.2 to 2.7 saponifying equivalents with respect to the fatty acid or the animal/vegetable oil.
- a ratio of the sodium hydroxide to the organic amine is preferably from 1 : 0.8 to 1 : 2, more preferably from 1 : 0.9 to 1 : 1.9 and, still more preferably, from 1 : 1 to 1 : 1.8 in molar ratio.
- the fatty acid or the animal/vegetable oil used for the transparent soap material according to the present invention may be those generally employed as fundamental sources.
- the fatty acid there can be specifically exemplified stearic acid, lauric acid, myristic acid, palmitic acid and behenic acid and the like.
- the fatty acid whether synthetic or natural, may be available.
- the animal/vegetable oil specifically, beef tallow, coconut oil and hydrogenated coconut oil, and the like, which is previously hydrolyzed into the fatty acid, may be used or may be used intact.
- a quantity of the fatty acid prepared as a raw material into the transparent soap material according to the present invention is preferably from 30% to 60% by weight, more preferably from 35% to 57% by weight and, much more preferably, from 37% to 55% by weight.
- a preparing quantity of triethanolamine is from 30% to 50% by weight, more preferably from 31% to 47% by weight, and even more preferably from 32% to 45% by weight.
- a preparing quantity of sodium hydroxide is preferably from 5% to 10% by weight, more preferably from 5.5% to 9.5% by weight, and much more preferably from 6% to 9% by weight.
- the transparent soap material according to the present invention if in such a range as not to spoil the effects of the present invention, there can be optional components generally used for the soap in addition to the indispensable components described above.
- optional components there may be exemplified, e.g., antioxidant such as BHT, chelating agent such as EDTA and hydroxyethane diphosphonic acid, antiseptic agent such as methylparaben, coloring matters, pigments, fine particles, mica titanes with interference colors, pearl agent such as mica titanes, perfume, surface active agent such as POE added sodium alkylsulfate, and monovalent or polyvalent alcohol or polysaccharide such as ethanol, glycerine, white saccharide, maltitol, sorbitol and honey and the like.
- antioxidant such as BHT
- chelating agent such as EDTA and hydroxyethane diphosphonic acid
- antiseptic agent such as methylparaben
- the transparent solid soap according to the present invention is mixed with the coloring matters, the pigments, the fine particles, the mica titanes with interference colors or the pearl agent and the like as the above optional component, whereby the soap can, though the transparency might be spoiled to some extent depending on an addition quantity, become highly lustrous and conspicuous in color.
- the transparent soap material according to the present invention can be manufactured by an ordinary soap material manufacturing method.
- the transparent soap material of the present invention can be transformed into a pellet, i.e., a solidified soap material obtained by saponifying the fatty acid with alkali, adding other components as the necessity arises, kneading these components, effecting a rolling process and extruding and solidifying them.
- the transparent solid soap can be obtained by carrying out pellet processing such as pressurization-molding, i.e., by a mechanical kneading method. Further, if pressurization-molded by use of the pellet into which the transparent soap material of the present invention is molded and the pellet manufactured from an ordinary opaque soap material, a transparent solid soap having a stripe pattern is to be obtained. Moreover, a flower-shaped molding is made of an opaque soap and embedded in and wrapped with the transparent soap material of the present invention by the frame kneading method, thereby making it possible to obtain a transparent solid soap with the molding embedded in and wrapped therewith. Further, if a printed thin film composed of carboxymethylcellulose is embedded in and wrapped therewith, it is feasible to obtain the transparent solid soap with a picture drawn inside.
- pellet processing such as pressurization-molding, i.e., by a mechanical kneading method.
- a transparent solid soap having a stripe pattern is to be obtained.
- the transparent soap material is manufactured according to a prescription of Table 1 which follows. Concretely, prescription components in Table 1 are scale-put into a heating kneader, kneaded for 2 hours at 80°C, and, through a pelletizing operation by a hot roll and a pelleter, the transparent soap material is obtained as a pellet. When a moisture content of this pellet is obtained by Karl Fischer moisture content titration , the moisture content of the pellet comes to a result as shown in Table 1. When a component composition of the pellet is calculated from this moisture content, the component composition as shown in Table 2 is obtained. Note that a quantity of alkali with respect to fatty acid is as shown in Table 3.
- Example 1 Example 2
- Example 3 Coconut oil fatty acid 40 40 40 Beef tallow fatty acid 160 160 160 Triethanolamine 140 145 160 Sodium hydroxide 34 29 26 Water 86 81 79 State of pellet Transp a-rent solid-state Transp a-rent solid-state Transp a-rent solid-state Pellet moisture content (weight %) 5.4 6.2 4.8 Component
- Example 4 Example 5
- Example 6 Coconut oil fatty acid 40 40 40 40 Beef tallow fatty acid 160 160 160 160
- Example 1 Example 2
- Example 3 Coconut oil fatty acid 10.2 10.0 9.7 Beef tallow fatty acid 40.9 40.1 39.5 Triethanolamine 35.8 36.4 39.5 Sodium hydroxide 8.7 7.3 6.4 Water 4.4
- the transparent solid soap is obtained by pressurization-forming the pellet-like transparent soap material in the Examples 1 - 6.
- a change in weight is less than 5% even when preserved at 40°C for one month, and, further, neither variation in the transparency nor crystal deposition can be seen.
- the transparent soap material is manufactured according to a scaling prescription in Table 4 which follows.
- the prescription components in Table 4 are scale-put into the heating kneader, kneaded for 2 hours at 80°C, and, through the pelletizing operation by the hot roll and the pelleter, the transparent soap material is obtained as a pellet.
- the alkali quantity to the fatty acid is 2.45 saponifying equivalents.
- the transparent solid soap is obtained by pressurization-forming the transparent soap material in the example 13. This transparent solid soap showed neither the variation in the transparency nor crystal deposition even when preserved at 40°C for one month.
- the transparent soap material is manufactured according to a scaling prescription in Table 5 which follows.
- the prescription components in Table 5 are scale-put into the heating kneader, kneaded for 2 hours at 80°C, and, through the pelletizing operation by the hot roll and the pelleter, the transparent soap material is obtained as a pellet.
- the alkali quantity to the fatty acid is 2.45 saponifying equivalents.
- the transparent solid soap is obtained by pressurization-forming the transparent soap material in the example 15. This transparent solid soap showed no variation in the weight even when preserved at 40°C for one month.
- the transparent soap material is manufactured according to a scaling prescription in Table 6 which follows.
- the prescription components in Table 6 are scale-put into the heating kneader, kneaded for 2 hours at 80°C, and, through the pelletizing operation by the hot roll and the pelleter, the transparent soap material is obtained as a pellet.
- the alkali quantity to the fatty acid is 2.45 saponifying equivalents.
- the transparent soap material is manufactured according to a scaling prescription in Table 7 which follows.
- the prescription components in Table 6 are scale-put into the heating kneader, kneaded for 2 hours at 80°C, and, through the pelletizing operation by the hot roll and the pelleter, the transparent soap material is obtained as a pellet.
- the alkali quantity to the fatty acid is 2.45 saponifying equivalents.
- the pellet in the example 17 is molten by heating, poured into a silicone rubber mold and solidified, thus manufacturing a molding of a flower of rose.
- This molding is placed in a frame, and the transparent soap material molten by heating in the example 18 is softly poured and solidified by cooling, thus obtaining a transparent solid soap including a flower.
- This transparent solid soap exhibited neither the change in the transparency of the transparent portion nor the change in the weight even when preserved at 40°C for one month.
- the transparent solid soap and the transparent soap material according to the present invention can be easily produced without requiring a fine control of the moisture content and a maturing period till reduction in the weight are settled, and, besides, exhibit the high stabilities of the transparency and of the weight with the passage of time.
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT97939200T ATE328999T1 (de) | 1997-09-05 | 1997-09-05 | Verfahren zur herstellung von transparenten festen seifen sowie von transparentem seifenvorrat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1997/003137 WO1999013041A1 (fr) | 1996-05-22 | 1997-09-05 | Savon solide transparent et pate de savon transparente |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0947579A1 true EP0947579A1 (fr) | 1999-10-06 |
EP0947579A4 EP0947579A4 (fr) | 2001-03-28 |
EP0947579B1 EP0947579B1 (fr) | 2006-06-07 |
Family
ID=14181076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97939200A Expired - Lifetime EP0947579B1 (fr) | 1997-09-05 | 1997-09-05 | Procede de fabrication de savon solide transparent ou pate de savon transparente |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0947579B1 (fr) |
AU (1) | AU720810B2 (fr) |
CA (1) | CA2270381A1 (fr) |
DE (1) | DE69736071T2 (fr) |
WO (1) | WO1999013041A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1847437A (en) * | 1929-10-24 | 1932-03-01 | Moscowitz Abraham | Detergent |
US4297230A (en) * | 1979-02-06 | 1981-10-27 | The Procter & Gamble Company | Non-crystallizing transparent soap bars |
EP0335026A1 (fr) * | 1988-03-31 | 1989-10-04 | Unilever Plc | Barre de savon transparente |
US5728663A (en) * | 1996-07-02 | 1998-03-17 | Johnson & Johnson Consumer Products, Inc. | Clear, colorless soap bar with superior mildness, lathering and discolorization resistence |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60188500A (ja) * | 1984-03-08 | 1985-09-25 | 三和化学工業株式会社 | 成型透明石鹸の製造方法 |
US4758370A (en) * | 1987-04-30 | 1988-07-19 | Neutrogena Corp. | Compositions and processes for the continuous production of transparent soap |
GB8807754D0 (en) * | 1988-03-31 | 1988-05-05 | Unilever Plc | Transparent soap bars |
JP2728791B2 (ja) * | 1990-06-21 | 1998-03-18 | 鐘紡株式会社 | 透明石鹸組成物 |
-
1997
- 1997-09-05 EP EP97939200A patent/EP0947579B1/fr not_active Expired - Lifetime
- 1997-09-05 AU AU41358/97A patent/AU720810B2/en not_active Ceased
- 1997-09-05 DE DE69736071T patent/DE69736071T2/de not_active Expired - Fee Related
- 1997-09-05 CA CA002270381A patent/CA2270381A1/fr not_active Abandoned
- 1997-09-05 WO PCT/JP1997/003137 patent/WO1999013041A1/fr active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1847437A (en) * | 1929-10-24 | 1932-03-01 | Moscowitz Abraham | Detergent |
US4297230A (en) * | 1979-02-06 | 1981-10-27 | The Procter & Gamble Company | Non-crystallizing transparent soap bars |
EP0335026A1 (fr) * | 1988-03-31 | 1989-10-04 | Unilever Plc | Barre de savon transparente |
US5728663A (en) * | 1996-07-02 | 1998-03-17 | Johnson & Johnson Consumer Products, Inc. | Clear, colorless soap bar with superior mildness, lathering and discolorization resistence |
Non-Patent Citations (1)
Title |
---|
See also references of WO9913041A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0947579B1 (fr) | 2006-06-07 |
AU4135897A (en) | 1999-03-29 |
EP0947579A4 (fr) | 2001-03-28 |
AU720810B2 (en) | 2000-06-15 |
CA2270381A1 (fr) | 1999-03-18 |
DE69736071T2 (de) | 2006-12-21 |
DE69736071D1 (de) | 2006-07-20 |
WO1999013041A1 (fr) | 1999-03-18 |
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