Abstract: The present invention relates a composition capable of enhancing cleaning properties of a soil during cleaning by treating an object. The composition is a composition containing a modified hydroxyalkyl cellulose and at least one selected from an anionic surfactant and a nonionic surfactant, the modified hydroxyalkyl cellulose being one in which a cationic group and a hydrophobic group represented by the formula (1) are bound to a group resulting from eliminating a hydrogen atom from a hydroxy group of a hydroxyalkyl cellulose. *—Z—R1??(1) wherein, Z represents a single bond or a hydrocarbon group having an oxygen atom; R1 represents a hydrocarbon group having 2 or more carbon atoms; and * represents a binding position to a group resulting from eliminating a hydrogen atom from a hydroxy group of a hydroxyalkyl cellulose.

Abstract: The present invention relates to a soil release agent capable of enhancing cleaning properties for removing a soil during cleaning through treatment of an object, and a soil release composition containing the soil release agent. The soil release agent is a soil release agent including a modified hydroxyalkyl cellulose in which a hydroxyalkyl cellulose is bound to at least one selected from a cationic group and a hydrophobic group including a hydrocarbon group having 4 or more carbon atoms.

Abstract: The present invention relates to a polysaccharide derivative which is able to not only enhance cleaning properties of clothing, etc. but also suppress resoiling due to powder soil during washing. The polysaccharide derivative is a polysaccharide derivative having a cationic group and a hydrocarbon group (R) having 2 or more carbon atoms, wherein the hydrocarbon group (R) is bound to a group resulting from eliminating a hydrogen atom from a hydroxy group of a hydroxyalkylated polysaccharide, directly or via a hydrocarbon group having an oxygen atom; the hydroxyalkylated polysaccharide is a hydroxyethylated polysaccharide or a hydroxypropylated polysaccharide; and the hydroxyalkylated polysaccharide has a weight average molecular weight of 10,000 or more and 740,000 or less.

Abstract: The present invention relates to a composition capable of improving properties of cleaning a dirt during cleaning. The composition of the present invention is a composition containing a modified hydroxyalkyl cellulose (A) and a cationic surfactant (B), wherein the modified hydroxyalkyl cellulose (A) has a cationic group and a hydrophobic group represented by a formula (1), each of which is bound to a group resulting from eliminating a hydrogen atom from a hydroxy group of the hydroxyalkyl cellulose; a degree of substitution of the hydroxyalkyl group in the hydroxyalkyl cellulose is 0.1 or more and 3 or less; and a content of the cationic surfactant (B) is more than 1 part by mass and 1,500 parts by mass or less relative to 1 part by mass of the modified hydroxyalkyl cellulose (A).

Abstract: The present invention relates to a fabric treatment composition capable of enhancing cleaning properties of a soil during cleaning through treatment of a fabric to be treated and a method for treating a fabric with the fabric treatment composition. The fabric treatment composition is a fabric treatment composition containing a hydroxyalkyl cellulose (A) in which a hydroxyalkyl cellulose is bound to at least one selected from a cationic group and a hydrophobic group including a hydrocarbon group having 4 or more carbon atoms, the content of a surfactant (B) being 3.5 parts by mass or less relative to 1 part by mass of the hydroxyalkyl cellulose (A).

Abstract: The present invention relates to a fabric treatment composition capable of enhancing cleaning properties of a soil during cleaning through treatment of a fabric to be treated and a method for treating a fabric with the fabric treatment composition. The fabric treatment composition is a fabric treatment composition containing a hydroxyalkyl cellulose (A) in which a hydroxyalkyl cellulose is bound to at least one selected from a cationic group and a hydrophobic group including a hydrocarbon group having 4 or more carbon atoms, the content of a surfactant (B) being 3.5 parts by mass or less relative to 1 part by mass of the hydroxyalkyl cellulose (A).

Abstract: The present invention relates to a polysaccharide derivative which is able to not only enhance cleaning properties of clothing, etc. but also suppress resoiling due to powder soil during washing. The polysaccharide derivative is a polysaccharide derivative having a cationic group and a hydrocarbon group (R) having 2 or more carbon atoms, wherein the hydrocarbon group (R) is bound to a group resulting from eliminating a hydrogen atom from a hydroxy group of a hydroxyalkylated polysaccharide, directly or via a hydrocarbon group having an oxygen atom; the hydroxyalkylated polysaccharide is a hydroxyethylated polysaccharide or a hydroxypropylated polysaccharide; and the hydroxyalkylated polysaccharide has a weight average molecular weight of 10,000 or more and 740,000 or less.

Abstract: The present invention relates a composition capable of enhancing cleaning properties of a soil during cleaning by treating an object. The composition is a composition containing a modified hydroxyalkyl cellulose and at least one selected from an anionic surfactant and a nonionic surfactant, the modified hydroxyalkyl cellulose being one in which a cationic group and a hydrophobic group represented by the formula (1) are bound to a group resulting from eliminating a hydrogen atom from a hydroxy group of a hydroxyalkyl cellulose. *—Z—R1??(1) wherein, Z represents a single bond or a hydrocarbon group having an oxygen atom; R1 represents a hydrocarbon group having 2 or more carbon atoms; and * represents a binding position to a group resulting from eliminating a hydrogen atom from a hydroxy group of a hydroxyalkyl cellulose.

Abstract: The present invention relates to a soil release agent capable of enhancing cleaning properties for removing a soil during cleaning through treatment of an object, and a soil release composition containing the soil release agent. The soil release agent is a soil release agent including a modified hydroxyalkyl cellulose in which a hydroxyalkyl cellulose is bound to at least one selected from a cationic group and a hydrophobic group including a hydrocarbon group having 4 or more carbon atoms.

Abstract: The present invention relates to a method for producing an alkali cellulose with suppressed decrease in the degree of polymerization as well as with small use amount of a basic compound, and to a method for producing a cellulose ether by using the alkali cellulose thus obtained. Provided by the present invention are: (A) a method for producing an alkali cellulose, comprising Step 1 wherein a cellulose-containing raw material is pulverized in the presence of 0.6 to 1.

Abstract: The present invention relates to a method for producing an alkali cellulose with suppressed decrease in the degree of polymerization as well as with small use amount of a basic compound, and to a method for producing a cellulose ether by using the alkali cellulose thus obtained. Provided by the present invention are: (A) a method for producing an alkali cellulose, comprising Step 1 wherein a cellulose-containing raw material (I) is treated by a pulverizing machine thereby obtaining a cellulose-containing raw material (II) which contains a cellulose having crystallinity in the range of 10 to 55% and Step 2 wherein the cellulose-containing raw material (II) obtained in Step 1 is added by a basic compound with the amount thereof being in the range of 0.6 to 1.

Abstract: The present invention relates to (1) a process for producing a hydroxyalkyl cellulose having an excellent water-solubility while maintaining a high reaction selectivity by adding a basic compound and an alkyleneoxide to a cellulose to conduct a reaction therebetween in which the basic compound is added in a total amount of from 0.3 to 1.5 mol per 1 mol of an anhydroglucose unit in the cellulose, and the alkyleneoxide is added in a total amount of from 1.0 to 3.

Abstract: The present invention relates to a method for producing an alkali cellulose with suppressed decrease in the degree of polymerization as well as with small use amount of a basic compound, and to a method for producing a cellulose ether by using the alkali cellulose thus obtained. Provided by the present invention are: (A) a method for producing an alkali cellulose, comprising Step 1 wherein a cellulose-containing raw material (I) is treated by a pulverizing machine thereby obtaining a cellulose-containing raw material (II) which contains a cellulose having crystallinity in the range of 10 to 55% and Step 2 wherein the cellulose-containing raw material (II) obtained in Step 1 is added by a basic compound with the amount thereof being in the range of 0.6 to 1.

Abstract: The present invention relates to a method for producing an alkali cellulose with suppressed decrease in the degree of polymerization as well as with small use amount of a basic compound, and to a method for producing a cellulose ether by using the alkali cellulose thus obtained. Provided by the present invention are: (A) a method for producing an alkali cellulose, comprising Step 1 wherein a cellulose-containing raw material is pulverized in the presence of 0.6 to 1.