Classifications

• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
  • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
  • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
  • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
  • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
  • D06M15/6436—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing amino groups
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
  • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
  • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M15/53—Polyethers
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
  • D06M2101/02—Natural fibres, other than mineral fibres
  • D06M2101/10—Animal fibres
  • D06M2101/12—Keratin fibres or silk
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
  • D06M2200/45—Shrinking resistance, anti-felting properties

Definitions

• the present invention concerns a wool treatment agent, and more specifically concerns a wool treatment agent that shows superior stability against ionic substances.
• wool is subjected to a chlorination treatment, and is then treated with a finishing agent.
• a chlorination treatment Ordinarily, the chlorine is neutralized using sodium sulfite, etc., following the chlorination treatment.
• the treatment with a finishing agent is performed after the unnecessary ionic substances generated and the excess sodium sulfite have been removed in a rinsing tank.
• trace amounts of ionic substances still remain even after being passed through a rinsing tank.
• an emulsion of an organopolysiloxane which has ionizable functional groups, such as amino groups is used, the result is often separation and destruction of the emulsion.
• the object of the present invention is to provide a wool treatment agent which shows a superior stability against ionic substances, and which is useful as an anti-shrinkage finishing agent.
• the present invention is a wool treatment agent which is characterized by the fact that said agent is an aqueous emulsion composition consisting of(A) an amino-group containing organopolysiloxane, (B) a nonionic emulsifying agent with an HLB of less than 15, (C) a nonionic emulsifying agent with an HLB of 15 or greater, and (D) water.
• said agent is an aqueous emulsion composition consisting of(A) an amino-group containing organopolysiloxane, (B) a nonionic emulsifying agent with an HLB of less than 15, (C) a nonionic emulsifying agent with an HLB of 15 or greater, and (D) water.
• the amino-group containing organopolysiloxane of component (A) may be any organopolysiloxane that has at least one amino group per molecule. There are no particular restrictions on the type, of organopolysiloxane used; however, organopolysiloxanes in which amino groups are bonded to silicon atoms via carbon atoms are highly desirable. Such amino-group containing organopolysiloxanes may be linear, branched or cyclic. Examples of such organopolysiloxanes include organopolysiloxanes having the following average molecular formulae: In said formulae, R indicates a substituted or unsubstituted monovalent hydrocarbon group which has 1 to 20 carbon atoms.
• Concrete examples include aliphatic saturated hydrocarbon groups, such as methyl groups, ethyl groups, propyl groups, butyl groups, pentyl groups, hexyl groups, heptyl groups, octyl groups, decyl groups and dodecyl groups, aliphatic unsaturated hydrocarbon groups such as vinyl groups, allyl groups and hexenyl groups, alicyclic unsaturated hydrocarbon groups such as cyclopentyl groups or cyclohexyl groups, aromatic hydrocarbon groups such as phenyl groups, tolyl groups and naphthyl groups, and substituted hydrocarbon groups in which the hydrogen atoms bonded to carbon atoms of the abovementioned groups are partially replaced by halogen atoms.
• aliphatic saturated hydrocarbon groups such as methyl groups, ethyl groups, propyl groups, butyl groups, pentyl groups, hexyl groups, heptyl groups, octy
• R 1 indicates a hydrogen atom or a monovalent hydrocarbon group examples of such hydrocarbon groups include methyl groups, ethyl groups, propyl groups, phenyl groups and cyclohexyl groups.
• X indicates a group selected from a set consisting of the aforementioned groups expressed by R, hydroxy groups and alkoxy groups with 1 to 5 carbon atoms. Examples of such alkoxy groups include methoxy groups, ethoxy groups and propoxy groups. Among these groups, hydroxy groups or alkoxy groups are especially desirable.
• Y indicates a hydrogen atom or an alkyl group with 1 to 5 carbon atoms.
• Q indicates a divalent hydrocarbon group.
• hydrocarbon groups include alkylene groups, such as methylene groups, ethylene groups, propylene groups and butylene groups; arylene groups expressed by the formula -C 6 H 4 -; and alkylene-arylene groups expressed by the formula -(CH 2 ) 2 C 6 H 4 -.
• propylene groups are especially desirable.
• m and n are integers of 1 or greater. It is desirable that the dynamic viscosity of the organopolysiloxane used be 10 mm 2 /s or greater at 25°C.
• a viscosity in the range of 50 to 10,000 mm 2 /s is even more desirable, a indicates an integer from 0 to 5, and is preferably 0 or 1.
• the amino-group containing organopolysiloxane of this invention can be manufactured by subjecting a hydrolytic condensation product obtained by hydrolyzing, an organoalkoxysilane expressed by the formula H 2 N(CH 2 ) 3 Si(CH 3 )(OCH 3 ) 2 , and [b] a dimethylpolysiloxane, to an equilibrium reaction while heating to a temperature of 80 to 110°C using a basic catalyst, such as sodium hydroxide.
• Diorganopolysiloxanes expressed by the following average molecular formulae are examples of amino-group containing organopolysiloxanes that are used as Component A.
• Components (B) and (C) of the present invention are nonionic emulsifying agents. These emulsifying agents are characterized by the fact that the nonionic emulsifying agent of component (B) has an HLB of less than 15, and the nonionic emulsifying agent of component (C) has an HLB of 15 or greater. In particular, it is desirable that component (B) have an HLB in the range of 9 to 13, and an HLB in the range of 10 to 12 is even more desirable.
• nonionic emulsifying agents examples include polyoxyethylene alkyl ethers, polyoxyalkylene alkylphenyl ethers, polyoxyalkylene alkyl esters, sorbitan alkyl esters and polyoxyalkylene sorbitan alkyl esters.
• One or more compounds with an HLB of less than 15 are selected from these compounds for use as component (B), and one or more compounds with an HLB of 15 or greater are also selected from these compounds for use as component (C).
• the total amount of components (B) and (C) be in the range of 2 to 100 parts by weight per 100 parts by weight of component (A); and an amount in the range of 2 to 60 parts by weight per 100 parts by weight of component (A) is even more desirable.
• the ratio of component (B) to component (C) these components are ordinarily used in the range of(1 : 99) to (99: 1) (weight ratio), and a weight ratio in the range of (50: 50) to (99: 1) is even more desirable.
• the abovementioned "HLB” is an indicator of the balance of hydrophilic groups and lipophilic groups in the emulsifying agent molecule.
• HLB 20 ⁇ (1 - S/A) (in this formula, S is the degree of saponification of the ester, and A is the acid value of the fatty acid).
• HLB E/5 (in this formula, E is the weight percentage of oxyethylene groups).
• the nonionic emulsifying agents of components (B) and (C) can be used simultaneously in the emulsification of the amino-group containing organopolysiloxane of component (A). Alternatively, this emulsification can be performed using one of the emulsifying agents; and the other emulsifying agent can then be added to the aqueous emulsion thus obtained.
• the emulsifying agents used for the aqueous emulsion composition of the present invention may consist only of the above mentioned components (B) and (C). If necessary, however, cationic emulsifying agents or amphoteric emulsifying agents such as aliphatic amine salts, quaternary ammonium salts or alkylpyridinium salts, may also be used in combination with these claimed components.
• the water of component (D) is used to form the above mentioned components (A) through (C) into an emulsion.
• amount of water used ordinarily, however, the amount used is in the range of 100 to 1,000,000 parts by weight per 100 parts by weight of component (A).
• the aqueous emulsion composition of the present invention consists of the abovementioned components (A) through (D). If necessary, however, organopolysiloxanes other than component (A); alkoxysilanes such as methyldimethoxysilane, dimethyldiethoxysilane, methyltrimethoxysilane, methyltriethoxysilane, phenyltrimethoxysilane, phenyltriethoxysilane, ⁇ -aminopropyltrimethoxysilane, ⁇ -aminopropyltriethoxysilane, N-( ⁇ -aminoethyl)- ⁇ -aminopropyltrimethoxysilane or ⁇ -glycidoxypropyltrimethoxysilane, and the hydrolyzates of the preceding, colloidal silica; metal salts of organic acids, such as dibutyltin dilaurate, dibutyltin dioctate
• amine compounds such as n-hexylamine or guanidine
• other additives such as anti-wrinkling agents, thickeners, coloring agents, preservatives, anti-mold agents and anti-rust agents, may also be used in addition to the abovementioned components.
• the mean particle size of the aqueous emulsion of the present invention is ordinarily 0.1 ⁇ m or greater.
• This wool treatment agent of the present invention is stable against ionic substances; in particular, it is characterized by the fact that there is no separation or destruction of the emulsion caused by sodium sulfite or ionic substances generated by the neutralization process that is performed following the chlorination treatment.
• This wool treatment agent of the present invention imparts superior anti-shrinkage properties and a good hand to all types of wool, such as tops, bulk wool, knitwear and cloth.
• Example 3 Using the aqueous emulsion composition obtained above, the stability against ionic substances was measured in the same manner as Example 1. The results obtained are shown in Table 2. HLB of Emulsifying Agents Stability Against Ionic Substances Example 3 11.8 16.6 Stable Comparative Example 5 11.8 - Emulsion separated
• the stability against ionic substances was measured in the same manner as Example 1. As a result, it was found that the stability was good, with no destruction of the emulsion being seen. Furthermore, when the laundering shrinkage rate was measured in the same manner as Example 1, the total of the laundering shrinkage rates in the warp and woof directions was only 7.5%. In contrast, the laundering shrinkage rate of an untreated sample of the same material was 18.9%. Thus, it was confirmed that laundering shrinkage rate can expeditiously be lowered by more than half by treating the material with the aqueous emulsion composition of the present invention. It is apparent from this that the aqueous emulsion composition of the present invention has an extremely favorable effect as an anti-shrinkage finishing agent.
• the wool treatment agent of the present invention is an aqueous emulsion composition comprising the above-mentioned components (A) through (D).
• the above-mentioned nonionic emulsifying agent of component (B) has an HLB of less than 15, and the above-mentioned nonionic emulsifying agent of component (C) has an HLB of 15 or greater.
• the wool treatment agent of the present invention shows superior stability against ionic substances, and is useful as an anti-shrinkage finishing agent.

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• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Compositions Of Macromolecular Compounds (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
• Colloid Chemistry (AREA)

Applications Claiming Priority (2)

Publications (2)

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Family Applications (1)

Country Status (4)

Cited By (5)

Citations (2)

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• 2000
  • 2000-07-03 EP EP00305614A patent/EP1076129A3/de not_active Withdrawn
  • 2000-08-08 AU AU51883/00A patent/AU5188300A/en not_active Abandoned
  • 2000-08-08 NZ NZ506208A patent/NZ506208A/en unknown
  • 2000-08-08 KR KR1020000045854A patent/KR20010050015A/ko not_active Application Discontinuation

Patent Citations (2)

Non-Patent Citations (1)

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