US3887475A - Softening agent for textiles having a tetrahydropyrimidinium salt component - Google Patents

Softening agent for textiles having a tetrahydropyrimidinium salt component Download PDF

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Publication number
US3887475A
US3887475A US337195A US33719573A US3887475A US 3887475 A US3887475 A US 3887475A US 337195 A US337195 A US 337195A US 33719573 A US33719573 A US 33719573A US 3887475 A US3887475 A US 3887475A
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Prior art keywords
formula
textiles
percent
weight
tetrahydropyrimidinium
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Expired - Lifetime
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US337195A
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English (en)
Inventor
Ulrich Cuntze
Adolf May
Eckhard Milewski
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Hoechst AG
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Hoechst AG
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D239/00Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/06Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38Cationic compounds
    • C11D1/62Quaternary ammonium compounds
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005Other compounding ingredients characterised by their effect
    • C11D3/001Softening compositions
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/46Compounds containing quaternary nitrogen atoms
    • D06M13/47Compounds containing quaternary nitrogen atoms derived from heterocyclic compounds
    • D06M13/477Compounds containing quaternary nitrogen atoms derived from heterocyclic compounds having six-membered heterocyclic rings

Definitions

  • R means methyl or ethyl and A means a salt-forming anion.
  • imidazolinium compounds which are fluid as concentrated solutions can be used as softeners for textile materials.
  • These imidazolinium compounds are, for example, l-alkylamido-ethyl-2- alkyl-3-methyl-3-methylimidazolinium-methosulfates, whose softening effect is much lower than that of dialkyl-dimethylaammonium salts.
  • the present invention furthermore relates to fluid concentrates of softeners for textiles which consist essentially of about 50 to 80 percent by weight, preferably 60 to 75 percent by weight, of a tetrahydropyrimidinium salt of the above-defined general formula l in a polar organic solvent.
  • polar organic solvents for the preparation of the concentrates of softeners for textiles there may be used above all lower aliphatic alcohols or glycols, in particular ethanol, isopropanol, isobutanol, ethylene glycol, propylene glycol or polyethylene glycols which are liquid at room temperature.
  • the tetrahydropyrimidinium compounds of the general formula 1 can be prepared by the reaction of about 1 to 1.2 moles of a compound of the formula III (Ill) with 1 mole of a long chain aliphatic carboxylic acid of the formula R c' (Iv)
  • R represents an N- acylaminopropyl radical of the formula H NC1-1 C1-1 CH or an alkyl or alkenyl radical of 8-22 carbon atoms.
  • the reaction of the components is effected by melting them together, while stirring, at temperatures of about to 200C, preferably 160 to 180C.
  • the conden-- sation reaction is completed after about 5 to 10 hours.
  • the end of the reaction can be determined with the aid of the acid number; this number should be below 8 mg KOH/g.
  • the reaction product After having been allowed to cool and after addition of about 20 to 50 percent by weight, suitably 25 to 40 percent by weight, of a polar organic solvent such as isopropanol or propylene-glycol, the reaction product is combined with l to 1.1 mole of dimethylor diethyl sulfate. Instead of with the dialkyl sulfates. quaternization may also be carried with chloro-methyl using super-atmospheric pressure.
  • the concentrates of tetrahydropyrimidinium salts obtained in this manner constitute fluid solutions at concentrations of up to about 75 percent by weight.
  • the tetrahydropyrimidinium salts of the formuls l are soluble or dispersible in water. They may be applied as softeners for textiles in known manner by impregnating the material to be treated by immersion or spraying with aqueous solutions or dispersions of these tetrahydropyrimidinium salts. ln general, about 0.01 to 0.7 percent, preferably 0.05 to 0.2 percent. referred to the weight of the textile material, of compounds of the formula l are applied onto the textile material.
  • the concentration of the tetrahydropyrimidinium salts amounts to about 0.02 to 1.5 g/l of rinsing bath.
  • aqueous solutions or dispersions of the softeners for textiles of the invention which in general contain about 1 to 30 percent by weight, in most cases 4 to percent by weight, of pyrimidinium compounds of the formula I and about 0.3 to 30 percent by weight of a polar organic solvent, may also contain other components or auxiliary agents which have been admixed either to the concentrates of the tetrahydropyrimidinium salts or have been added separately to the aqueous solutions or dispersions or to the treatment baths destined for utilization, and which may serve, for example, for an additional influence on the handle or on other properties of the textiles to be treated or for an adjustment of the viscosity, of the regulation of the pH-value or of the increase of the stability of the solutions to cold.
  • Such other components may be, for example cationic or non-ionogenic surface-active substances, electrolytes, organic complex formers, optical brighteners or solubilizers.
  • the textile material After impregnation with the baths which contain the softeners for textiles of the invention, the textile material is dried in the usual manner.
  • the tetrahydropyrimidinium salts of the invention have proved to be particularly good washing after- 1 treatment agents.
  • they are EXAMPLE 1 191 g of tallow fat propylene diamine and 135 g of tallow fatty acid were heated for 8 hours to 180 C, while stirring.
  • the condensation product showed an acid number of 2.0 mg KOl-l/g.
  • the reaction product was allowed to cool to 80 C, combined with 93 g of isopropanol and then 77 g of diethylsulfate were added dropwise, while stirring.
  • a liquid concentrate was obtained which contained 74 percent by weight of the softener and which was easily dispersible in cold water.
  • EXAMPLE 2 93 g of tallow fat propylene diamine and 70 g of stearic acid were'stirred for 8 hours at 180 C. The acid number of the reaction product was determined with reference to 0 mg KOH/g. The whole was allowed to cool to 75C, combined with 50 g of isopropanol and quaternized in an autoclave at 120C with methyl chloride. A fluid concentrate was obtained which was dispersible in cold water and which contained 72.5 percent by weight of softener.
  • EXAMPLE 3 93 g of tallow fat propylene diamine and 55 g (0.25 mole) of fatty acid (mixture of C to C carboxylic acids) were stirred for 7 hours at 180 C. The acid number of the condensation product was determined with reference to 0 mg KOH/g. The whole was allowed to cool to C, combined with 50 g of isopropanol and then 31 g of dimethyl sulfate were added dropwise at 60 C. A fluid concentrate was obtained which was dispersible in cold water and which contained 74 percent by weight of solids.
  • EXAMPLE 4 68.8 g of tallow fatty acid and 33 g of di-propylenetriamine were stirred for 3 hours at C and for 4 hours at 180 C. The acid number was determined with reference to 0 mg KOl-l/g. Then, 68.8 g of tallow fatty acid were added and the mixture was stirred for 4 hours at C. The acid number was determined with reference to 7 mg KOH/g. The mixture was allowed to cool to 80 C, combined with 55 g of isopropanol and 32 g of dimethyl sulfate were added at 60C. A fluid concentrate was obtained which was dispersible in cold water and which contained 74 percent by weight of solids.
  • EXAMPLE 5 83 g of coco-nut propylene diamine and 72.5 tallow fatty acid were stirred for 8 hours at C. The acid number of the condensation product was determined with reference to 0 mg KOH/g. The mixture was allowed to cool to 70 C, combined with 50 g ofisopropano] and then 38.5 g of dimethyl sulfate were added dropwise at 50C. A fluid concentrate was obtained which was dispersible in cold water and which contained 75 percent by weight of solids.
  • the concentration of the respective active substance was 0.1 g/l, the goods to liquor ratio was 1:10.
  • the test samples were taken out from the bath, centrifuged and dried at 70 to 80 C in a drying cabinet.
  • the evaluation of the handle by the judgingg persons was effected after storage of the test samples for 24 hours in a climate chamber at a temperature of 20 C and a relative air humidity of 60 percent.
  • test results shown in the following table are average values obtained from 5 parallel tests.
  • Example 1 Example 2
  • Example 3 Example 4
  • Example 5 untreated sample Comparison TABLE-Continued Treating agent Mark of handle "Commercial softener on the basis of l-tallow fat-ulkyl-umido-cthyl-2-tullow fut-alkyl-3-mcthyl-imidazolinium methosulfutc.
  • Fluid concentrates of softeners for textiles which contain as essential components about 50 to 80 percent by weight of tetrahydropyrimidinium salts of the formula l in which R represents alkyl or alkenyl of 7 to 21 carbon atoms, R, represents alkyl or alkenyl of 8 to 22 carbon atoms or an N-acylaminopropyl radical of the formula in which R has the meaning given above, R represents a methyl or ethyl radical and A represents Cl" or R OSO which tetrahydropyrimidinium salts of the formula 1 contain at least one alkyl or alkenyl radical of more than 14 carbon atoms, and about to 50 percent by weight of a lower aliphatic alcohol or a glycol.
  • tetrahydropyrimindinium salt is the compound of formula l wherein R is CH,,, A is CH -OSO R is the alkyl radical of tallow fatty amine and R is the alkyl radical of tallow fatty acid.
  • Fluid concentrates of softeners for textiles which contain as essential components about 50 to 80 percent by weight of tetrahydropyrimidinium salts of the forin which R represents alkyl or alkenyl of 7 to 21 carbon atoms, R represents alkyl or alkenyl of 8 to 22 carbon atoms or an N-acylaminopropyl radical of the formula CH CH CH NHCOR in which R has the meaning given above, R represents a methyl or ethyl radical and A" represents Cl or R -OSO which tetrahydropyrimidinium salts of the formula I contain at least one alkyl or alkenyl radical of more than 14 carbon atoms, and about 20 to 50 percent by weight of ethanol, isopropanol, isobutanol, ethylene glycol, propylene glycol or polyethylene glycol.
  • Fluid concentrates of softeners for textiles which contain as essential components about 50 to percent by weight of tetrahydropyrimidinium salts of the formula I (+lR2 N-CH 2 N-CH in which R represents alkyl or alkenyl of 7 to 21 carbon atoms, R, represents alkyl or alkenyl of 8'to 22 carbon atoms or an N-acylaminopropyl radical of the formula II in which R has the meaning given above.
  • R represents a methyl or ethyl radical and A represents Cl or R OSO which tetrahydropyrimidinium salts of the formula 1 contain at least one alkyl or alkenyl radical of more than 14 carbon atoms, and about 20 to 50 percent by weight of isopropanol.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Textile Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
US337195A 1972-03-02 1973-03-01 Softening agent for textiles having a tetrahydropyrimidinium salt component Expired - Lifetime US3887475A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2210085A DE2210085A1 (de) 1972-03-02 1972-03-02 Textilweichmacher

Publications (1)

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US3887475A true US3887475A (en) 1975-06-03

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US (1) US3887475A (it)
JP (1) JPS4898192A (it)
AT (1) AT329723B (it)
BE (1) BE796226A (it)
BR (1) BR7301498D0 (it)
CA (1) CA988659A (it)
CH (1) CH582779A5 (it)
DE (1) DE2210085A1 (it)
FR (1) FR2174273B1 (it)
GB (1) GB1427094A (it)
IT (1) IT979644B (it)
NL (1) NL7302563A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3807068A1 (de) * 1988-03-04 1989-09-14 Henkel Kgaa Quataere imidazoliniumphosphate

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534034A (en) * 1966-09-30 1970-10-13 Basf Ag Production of hexahydropyrimidine aldehydes
US3551425A (en) * 1967-07-01 1970-12-29 Basf Ag Production of 2-oxohexahydropyrimidines

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534034A (en) * 1966-09-30 1970-10-13 Basf Ag Production of hexahydropyrimidine aldehydes
US3551425A (en) * 1967-07-01 1970-12-29 Basf Ag Production of 2-oxohexahydropyrimidines

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Publication number Publication date
CH582779A5 (it) 1976-12-15
GB1427094A (en) 1976-03-03
NL7302563A (it) 1973-09-04
FR2174273A1 (it) 1973-10-12
JPS4898192A (it) 1973-12-13
DE2210085A1 (de) 1973-09-06
ATA176673A (de) 1975-08-15
BE796226A (fr) 1973-09-03
BR7301498D0 (pt) 1974-05-16
FR2174273B1 (it) 1976-09-10
IT979644B (it) 1974-09-30
AT329723B (de) 1976-05-25
CA988659A (en) 1976-05-11

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