Fiber-treating agent

Abstract

A fiber-treating agent including the following components (A) to (C) and having a turbidity of 1,000 NTU or less, where a part or all of the components (A) and (B) are optionally a condensate formed from the components: (A): formaldehyde or a hydrate thereof, (B): a phenolic compound having an electron donating group on at least one of meta-positions and a hydrogen atom on at least one of ortho-positions and a para-position, where the electron donating group on the meta-position optionally forms, together with adjacent carbon atoms, a benzene ring optionally substituted with a hydroxy group, and (C): water.

1 . A fiber-treating agent comprising the following components (A) to (C) and having a turbidity of 1,000 NTU or less, wherein a part or all of the components (A) and (B) are optionally a condensate formed from the components:
 (A): formaldehyde or a hydrate thereof;   (B): a phenolic compound having an electron donating group on at least one of meta-positions and a hydrogen atom on at least one of ortho-positions and a para-position, wherein the electron donating group on the meta-position optionally forms, together with adjacent carbon atoms, a benzene ring optionally substituted with a hydroxy group; and   (C): water.   
     
     
         2 . The fiber-treating agent according to  claim 1 , wherein a content of a constituent element derived from the component (A) in the fiber-treating agent is 0.1 mass % or more and 80 mass % or less. 
     
     
         3 . The fiber-treating agent according to  claim 1 , wherein a content of a constituent element derived from the component (B) in the fiber-treating agent is 0.1 mass % or more and 80 mass % or less. 
     
     
         4 . The fiber-treating agent according to  claim 1 , wherein a total content of a constituent element derived from the component (A) and a constituent element derived from the component (B) in the fiber-treating agent is 0.1 mass % or more and 80 mass % or less. 
     
     
         5 . The fiber-treating agent according to  claim 1 , wherein a molar ratio of a constituent element derived from the component (A) to a constituent element derived from the component (B), (A)/(B), is 0.005 or more and less than 5. 
     
     
         6 . The fiber-treating agent according to  claim 1 , further comprising the following component (D):
 (D): an organic compound having a Hansen solubility parameter SP value of 16 Mpa 1/2  or more and 40 Mpa 1/2  or less, excluding organic salts and compounds having an aldehyde group and having a molecular weight of 150 or less.   
     
     
         7 . The fiber-treating agent according to  claim 1 , further comprising the following component (E):
 (E): a sulfur-containing reducing agent.   
     
     
         8 . A method for treating fibers, comprising
 immersing the fibers in the fiber-treating agent according to  claim 1  to treat the fibers while maintaining a state in which a turbidity of the fiber-treating agent is 1,000 NTU or less.   
     
     
         9 . The method for treating fibers according to  claim 8 , further comprising, prior to the immersing,
 heating the fiber-treating agent.   
     
     
         10 . The method for treating fibers according to  claim 9 , wherein, a heating time is 0.2 T or more and 0.8 T or less,
 wherein T is a heating time until the fiber-treating agent has a turbidity of more than 1.000 NTU after the fiber-treating anent is heated immediately after being prepared by mixing the components.   
     
     
         11 . The method for treating fibers according to  claim 8 , further comprising,
 taking out the fibers from the fiber-treating agent before the turbidity of the treating agent exceeds 1,000 NTU,   wherein the immersing and the taking out are performed one or more times.   
     
     
         12 . The method for treating fibers according to  claim 11 , further comprising, following the taking out, optionally
 rinsing the fibers.   
     
     
         13 . The method for treating fibers according to  claim 12 , wherein the rinsing is performed using a composition containing a component (D):
 (D): an organic compound having a Hansen solubility parameter SP value of 16 Mpa 1/2  or more and 40 Mpa 1/2  or less, excluding organic salts and compounds having an aldehyde group and having a molecular weight of 150 or less.   
     
     
         14 . The method for treating fibers according to  claim 12 , further comprising, immersing the fibers in a surface finish agent containing the following components (F) and (C), following the immersing, the rinsing, and the taking out:
 (F) an epoxyaminosilane copolymer which is a reaction product of the following compounds (a) to (d):
 (a) a polysiloxane having at least two oxiranyl groups or oxetanyl groups; 
 (b) a polyether having at least two oxiranyl groups or oxetanyl groups; 
 (c) aminopropyltrialkoxysilane; and 
 (d) a compound selected from the group consisting of 
   
       methylamine, ethylamine, propyleneamine, ethanolamine, isopropylamine, butylamine, isobutylamine, hexylamine, dodecylamine, oleylamine, aniline, aminopropyltrimethylsilane, aminopropyltriethylsilane, aminomorpholine, aminopropyldiethylamine, benzylamine, naphthylamine, 3-amino-9-ethylcarbazole, 1-aminoheptafluorohexane, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluoro-1-octaneamine, 
       methylethylamine, methyloctadecylamine, diethanolamine, dibenzylamine, dihexylamine, dicyclohexylamine, piperidine, pyrrolidine, phthalimide and polymer amine; and
 (C) water. 
 
     
     
         15 . A method for producing fibers for hair ornament products, comprising treating fibers by the method according to  claim 8 . 
     
     
         16 . A method for producing a hair ornament product, comprising treating fibers by the method according to  claim 8 . 
     
     
         17 . Regenerated protein fibers for hair ornament products, wherein a condensate formed from components (A) and (B) is contained in the fibers:
 (A): formaldehyde or a hydrate thereof; and   (B): a phenolic compound having an electron donating group on at least one of meta-positions and a hydrogen atom on at least one of ortho-positions and a para-position, wherein the electron donating group on the meta-position optionally forms, together with adjacent carbon atoms, a benzene ring optionally substituted with a hydroxy group.   
     
     
         18 . A hair ornament product having, as a constituent element, regenerated protein fibers comprising a condensate formed from components (A) and (B):
 (A): formaldehyde or a hydrate thereof; and   (B): a phenolic compound having an electron donating group on at least one of meta-positions and a hydrogen atom on at least one of ortho-positions and a para-position, wherein the electron donating group on the meta-position optionally forms, together with adjacent carbon atoms, a benzene ring optionally substituted with a hydroxy group.   
     
     
         19 . The method for treating fibers according to  claim 12 , wherein one or more treatment selected from bleaching and hair dyeing is further performed before, after, or in between the immersing, the taking out and the rinsing. 
     
     
         20 . The method for treating fibers according to  claim 8 , further comprising heating the fibers while stretching by applying tension to the fibers. 
     
     
         21 . The method for treating fibers according to  claim 8 , wherein the fibers are further treated with a composition selected from the group consisting of a composition containing a following component (E), and a composition containing a following component (G), or both in a sequential order, wherein a treatment order is not limited:
 (E): a sulfur-containing reducing agent;   (G): a compound having chelating action.   
     
     
         22 . The hair ornament product according to  claim 18 , wherein the hair ornament product is selected from hair wigs, wigs, weavings, hair extensions, blade hairs, hair accessories, and doll hairs.