Gelling agent for oil

Abstract

A compound represented by the following general formula (I), wherein R 1 and R 2 represent a hydrocarbon group having 1 to 26 carbon atoms, preferably a linear or branched alkyl group, R 3 represents a hydrocarbon group having 7 to 10 carbon atoms, preferably a linear or branched alkyl group, n represents 1 or 2 provided that the acidic amino acid residue in the molecule is L-aspartic acid residue when n is 1 and said acidic amino acid residue is L-glutamic acid residue when n is 2, and a gelling agent for an oil comprising said compound.

1 . A gel composition comprising: 
 (a) N-2-ethylhexanoyl-L-glutamic acid dibutylamide, and    (b) a silicone oil.    
   
   
       2 . The gel composition according to  claim 1 , wherein said silicone oil is one or more silicone oils selected from the group consisting of methylpolysiloxane, highly polymerized methylpolysiloxane, ether-modified silicones, stearoxymethylpolysiloxane, stearoxytrimethylsilane, methyl hydrogen polysiloxane, octamethylpolysiloxane, decamethylpolysiloxane, cyclic silicones, methylphenylpolysiloxane, trimethylsiloxy silicate, amino-modified silicones, silanol-modified polysiloxanes, alkoxy-modified polysiloxanes, aliphatic acid-modified polysiloxanes, fluorine-modified polysiloxanes, epoxy-modified polysiloxanes, alkoxy-modified polysiloxane perfluoropolyethers, and polyvinyl acetate dimethyl polysiloxane.  
   
   
       3 . The gel composition according to  claim 1 , wherein said silicone oil is a cyclic silicone.  
   
   
       4 . The gel composition according to  claim 1 , wherein said silicone oil is one or more silicone oils selected from the group consisting of decamethylcyclopentasiloxane, octamethylcyclotetrasiloxane, tetrahydrotetramethylcyclotetrasiloxane, methylcyclopolysiloxane, cyclopentasiloxane and dodecamethylcyclohexasiloxane.  
   
   
       5 . The gel composition according to  claim 1 , wherein said silicone oil is a methylcyclopolysiloxane.  
   
   
       6 . The gel composition according to  claim 1 , wherein said silicone oil is a decamethylcyclopentasiloxane.  
   
   
       7 . The gel composition according to  claim 1 , further comprising an antiperspirant.  
   
   
       8 . The gel composition according to  claim 7 , wherein said antiperspirant is at least one selected from the group consisting of chlorohydroxy aluminum, aluminum chloride, allantoin chlorohydroxy aluminum, aluminum sulfate, zinc oxide, zinc paraphenolsulfonate, zirconium aluminum complex produced by reacting zirconyl chloride with aluminum hydroxide, and aluminum chlorohydroxide.  
   
   
       9 . The gel composition according to  claim 7 , wherein the amount of the antiperspirant ranges from 1 to 60% by weight based on the total weight of the gel composition.  
   
   
       10 . The gel composition according to  claim 7 , wherein the amount of the antiperspirant ranges from 5 to 35% by weight based on the total weight of the gel composition.  
   
   
       11 . The gel composition according to  claim 7 , wherein the antiperspirant is in the form of fine particles.  
   
   
       12 . The gel composition according to  claim 11 , wherein the fine particles have a particle size ranging from 1 to 100 microns.  
   
   
       13 . The gel composition according to  claim 11 , wherein the fine particles have a particle size ranging from 1 to 50 microns.  
   
   
       14 . The gel composition according to  claim 1 , which is a translucent composition.  
   
   
       15 . The gel composition according to  claim 1 , wherein the amount of the N-2-ethylhexanoyl-L-glutamic acid dibutylamide ranges from 0.1 to 15 parts by weight based on the oil to be gelled.  
   
   
       16 . The gel composition according to  claim 1 , wherein the amount of the N-2-ethylhexanoyl-L-glutamic acid dibutylamide ranges from 1 to 10 parts by weight based on the oil to be gelled.  
   
   
       17 . The gel composition according to  claim 1 , wherein the amount of the silicone oil ranges from 10 to 99.9% by weight based on the total weight of the gel composition.  
   
   
       18 . The gel composition according to  claim 1 , further comprising a higher alcohol.  
   
   
       19 . The gel composition according to  claim 18 , wherein said higher alcohol is at least one selected from the group consisting of cetyl alcohol, isostearyl alcohol, lauryl alcohol, hexadecyl alcohol and octyldodecanol.  
   
   
       20 . The gel composition according to  claim 18 , wherein said higher alcohol is a octyldodecanol.  
   
   
       21 . A cosmetic comprising a gel composition according to  claim 1 .  
   
   
       22 . The cosmetic according to  claim 21 , further comprising one or more additives selected from the group consisting of a chelating agent, a gelling agent, a surfactant, an amino acid, a polyhydric alcohol, a polyamino acid, a water-soluble polymer, a sugar alcohol, a lower alcohol, an animal extract, a plant extract, a nucleic acid, a vitamin, an enzyme, an anti-inflammatory agent, an antibacterial agent, a preservative, an antioxidant, an ultraviolet absorber, an antiperspirant, a pigment, a dye, an oxidation dye, an organic fine particle, an inorganic fine particle, a pH adjusting agent, a pearling agent, and a wetting agent.