Classifications

• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/0005—Other compounding ingredients characterised by their effect
  • C11D3/0036—Soil deposition preventing compositions; Antiredeposition agents
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
  • C08G63/66—Polyesters containing oxygen in the form of ether groups
  • C08G63/668—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
  • C08G63/672—Dicarboxylic acids and dihydroxy compounds
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
  • C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
  • C08G63/688—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur
  • C08G63/6884—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur derived from polycarboxylic acids and polyhydroxy compounds
  • C08G63/6886—Dicarboxylic acids and dihydroxy compounds
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/16—Organic compounds
  • C11D3/37—Polymers
  • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • C11D3/3715—Polyesters or polycarbonates

Definitions

• the invention relates to aqueous polyester concentrates (soil release polymers SRP), which are characterized by a good solution stability and in the
• Wash liquor show a strong graying-inhibiting effect on textiles.
• Alkyl group in particular closed with a methyl group
• Dicarboxylic acid or ester and optionally alkali metal salts of sulfonated aromatic dicarboxylic acids are optionally alkali metal salts of sulfonated aromatic dicarboxylic acids.
• polyester having molecular weights in the range of 2,000 to 10,000 g / mol, prepared from the monomers ethylene glycol, polyethylene glycol having molecular weights of 200 to 1,000 g / mol, aromatic dicarboxylic acids and alkali metal salts of sulfonated aromatic dicarboxylic acids and
• aliphatic dicarboxylic acids for example glutaric acid, adipic acid, succinic acid, glutaric acid,
• Pimelic acid suberic acid, azelaic acid, sebacic acid and
• 1,4-cyclohexanedicarboxylic acid and its anti-wrinkling effect and soil release effect on polyester fabric or on polyester-cotton blended fabric.
• No. 4,721,580 discloses polyesters with terephthalate units and sulfo-containing end groups, in particular sulfoethoxylated end groups MO 3 S (CH 2 CH 2 O) n -H, and praises their use in detergents and
• polyesters having sulfo-containing end groups obtained by copolymerization of (meth) allyl alcohol, alkylene oxide, aryldicarboxylic acid and C 2 -C 4 -glycol and subsequent sulfonation.
• polyesters are claimed as branched backbone SRP of diioder polyhydroxysulfonate, terephthalate and 1,2-oxyalkyleneoxy units having nonionic or anionic end groups.
• EP 1 966 273 A1 and WO 2008/110318 A2 disclose SRP from terephthalic acid, sulfoisophthalic acid and (poly) alkylene glycols which are a molar
• Propylene glycol / ethylene glycol ratio of less than 1, 7 have.
• Liquid detergents has not been solved satisfactorily. While this one can Disadvantage compared to washing powders by adding co-builders on
• anionic polyesters have hitherto been used only in powder formulations. The reason for this is the difficulty of bringing sulfo-based polyesters into aqueous solution. On the one hand, the dissolving behavior of the polymers is very much dependent on the temperature. Many anionic polyesters dissolve appreciably in water only at temperatures above 25 ° C. On the other hand, crystallization phenomena prevent a solution at lower temperatures.
• Liquid detergent formulations suitable and be as clear and low viscosity. Surprisingly, it has been found that the following sulfo-containing polyesters with a certain propylene glycol / ethylene glycol (PG / EG) ratio achieve the object according to the invention.
• PG / EG propylene glycol / ethylene glycol
• the invention relates to aqueous polyester concentrates with a
• Weight fraction of polyester from 12 to 60%, preferably 15 to 60%, particularly preferably 20 to 50%, in particular 30 to 45%, wherein the polyesters are obtainable by polymerization of the components selected from
• R 1 is a linear or branched, saturated or unsaturated
• R 2 and R 3 are independently hydrogen or an alkyl group with
• n is a number from 1 to 50, preferably from 2 to 10, f) optionally one or more compounds of the formula (2)
• X is hydrogen or an alkali metal ion, and g) optionally one or more crosslinking polyfunctional
• the molar ratio is expediently 1, 2-propylene glycol (PG):
• Ethylene glycol (EG) 1, 60 to 20.0, preferably 1, 7 to 10.0, in particular 2.0 to 8.0, particularly preferably 2.5 to 7.0, very particularly preferably 2.7 to 5.0 ,
• polyesters obtainable by polymerization of components a) to g) in the following molar ratios, based on 1 mol of component a):
• 0.1 to 4 mol preferably 0.5 to 3 mol, in particular 0.6 to 2.5 mol, very particularly preferably 0.8 to 1.5 mol of the diol component c) + d), 0.1 to 4 mol, preferably 0.2 to 2 mol, in particular 0.3 to 0 mol, very particularly preferably 0.3 to 0.8 mol, component e),
• polyesters obtainable by polymerization of
• Preferred compounds of component a) are terephthalic acid
• Terephthal Aciddimethylester and isophthalic acid and C-i-C4-alkyl esters of isophthalic acid.
• Preferred compounds of component b) are 5-sulfoisophthalic acid, in particular 5-Sulfoisophthal Acidi (CrC 4 ) alkyl ester and their
• Alkali metal salts for example, alkali metal salts of 5-sulfoisophthalic acid and 5-sulfo-isophthalic acid dimethyl ester sodium salt or lithium salt.
• Preferred compounds of component f) are those of the formula (2a) H- (OCH 2 CH 2 ) m -SO 3 X (2a),
• n is a number from 1 to 4, more preferably 1 and 2
• X is hydrogen, sodium or potassium.
• Preferred compounds of component g) are crosslinking polyfunctional compounds having 3 to 6 functional groups capable of esterification, for example acid, alcohol, ester, anhydride or epoxy groups. There are also different functionalities in one
• polyhydric alcohols such as pentaerythrol, glycerol, sorbitol and trimethylolpropane can be used.
• polyhydric aliphatic and aromatic are also preferred.
• Carboxylic acids such as benzene-1, 2,3-tricarboxylic acid (hemimellitic acid), benzene-1, 2,4-tricarboxylic acid (trimellitic acid), particularly preferably benzene-1, 3,5-tricarboxylic acid (trimesitic acid).
• the proportion by weight of component g), based on the total mass of the polyesters, is preferably 0 to 10 wt .-%, particularly preferably 0 to 5 wt .-% and particularly preferably 0 to 3 wt .-%, most preferably 0 wt .-%.
• polyesters of the invention generally have number average
• the number average molecular weight is determined by means of
• polyesters used according to the invention may contain structural elements of an aliphatic dicarboxylic acid, preferably 1,4-cyclohexanedicarboxylic acid.
• the proportion by weight of the aliphatic dicarboxylic acid used can be 1 to 15%, preferably 3 to 10%, particularly preferably 5 to 8%, based on the total amount of the monomers used.
• the synthesis of the polyesters used according to the invention is carried out by conventional methods by polycondensation of the components a) to g).
• the abovementioned components are expediently heated first under normal pressure to temperatures of 160 ° to about 220 ° C. using an inert atmosphere, preferably in the presence of a salt of a C 1 -C 3 -alkyl carboxylic acid, in particular a dehydrated or partially hydrated sodium acetate CH 3 COONa x (H 2 O) x, where x is a number in the range of 0 to 2.9, and wherein this salt is present in amounts by weight of from 0.5% to 30%, preferably from 1% to 15% , Particularly preferably from 3% to 8%, based on the total amount of the monomers used and the salt of the carboxylic acid is used.
• a salt of a C 1 -C 3 -alkyl carboxylic acid in particular a dehydrated or partially hydrated sodium acetate CH 3 COONa x (H 2 O) x, where x is a number in the range of 0 to 2.9
• this salt is present in amounts by weight of from 0.5%
• Titanium tetraisopropylate dibutyltin oxide, alkali or alkaline earth metal alcoholates or antimony trioxide / calcium acetate.
• Condensation catalysts are added before heating.
• polyesters according to the invention are very readily soluble in water, show no tendency to hydrolysis and form stable solutions which have no or an insignificant increase in the solution viscosity even under severe external conditions (storage at 45 ° C.).
• polyesters according to the invention exhibit excellent dispersibility and thus counteract the graying of the textiles.
• the performance in terms of increase in primary wash, soil release activity and hydrophilization are comparable to those of solid anionic types.
• polyester concentrate solutions according to the invention is carried out by dissolving the appropriate amount of polyester, for example in water or in a combination of water with water-miscible solvents, such as propylene glycol, ethanol, isopropanol, t-butanol, ethylene glycol,
• glycol monomethyl ether glycol dimethyl ether, diethylene glycol, triethylene glycol, polyethylene glycols (mass> 120 g / mol).
• the polyester is added
• sodium cumenesulfonate, sodium xylenesulfonate or sodium toluenesulfonate It proved to be useful to use these hydrotropes in an amount of 0.1 to 30 wt .-%, preferably 1 to 15 wt .-%, based on the total weight of the concentrate.
• the polyester concentrates are stable when stored at 20 to 45 ° C for several months.
• the viscosities of the concentrates according to the invention are in the range of 15 to 15,000 mPas, preferably 100 to 8,000 mPas, particularly preferably in the range of 500 to 5,000 mPas.
• the viscosities are measured by means of a Brookfield viscometer at 20 spindle revolutions per minute at 25 ° C. The spindle used is adjusted according to the viscosity range.
• the concentrates according to the invention are approximately colorless to slightly yellowish and largely transparent to opaque and solids-free.
• the polyester concentrates of the invention give the textile fibers very good soil release properties, they support that
• Soil removal capacity of the other detergent ingredients against oily, greasy or Pigmentanschmutzungen essential and prevent the deposition of particles from the wash liquor (especially lime soap and
• Another object of the invention is the use of the
• polyester concentrates according to the invention in detergents and cleaners, in aftertreatment agents for the laundry, in particular in a fabric softener, textile care agents and agents for finishing textiles.
• polyesters according to the invention can be pasty, gel or liquid. Particularly preferred are liquid detergents. Examples of these are heavy-duty detergents, mild detergents, color detergents,
• the polyester concentrates according to the invention are also distinguished by an excellent flow behavior, in particular when rinsing plastics, ceramics and glass and metal surfaces. When cleaning hard surfaces tends to calcification, as well as the
• polyester concentrates according to the invention can thus also be used in
• Household cleaning products such as all-purpose cleaner, dishwashing detergent, rinse aid, carpet cleaning and impregnating, cleaning and
• Examples of technical cleaning agents are plastic cleaning and
• compositions of the nature of the treated or to be washed textiles or the surfaces to be cleaned may contain common ingredients such as surfactants, emulsifiers, builders, bleach catalysts and activators,
• Color fixatives, enzymes, optical brighteners, softening components contain.
• formulations or parts of the formulation can be specifically dyed and / or perfumed by dyes and / or fragrances.
• Gas inlet tube and distillation bridge are 203.6 g (2.68 mol) of 1,2-propanediol, 66.4 g (1.70 mol) of ethylene glycol, 72.9 g (0.35 mol) of tetraethylene glycol methyl ether, 291.3 g (1 , 50 moles) of terephthalic acid dimethyl ester and 148.1 g (0.5 mol)
• Gas inlet tube and distillation bridge are 210.6 g (2.77 mol) of 1,2-propanediol, 60.5 g (0.98 mol) of ethylene glycol, 72.9 g (0.35 mol) of tetraethylene glycol methyl ether, 291.3 g (1 , 50 moles) of terephthalic acid dimethyl ester and 148.1 g (0.5 mol)
• Gas inlet tube and distillation bridge are 182.6 g (2.40 mol) of 1,2-propanediol, 84.5 g (1.36 mol) of ethylene glycol, 72.9 g (0.35 mol) of tetraethylene glycol methyl ether, 291.3 g (1 , 50 mol) terephthalic acid dimethyl ester and 148.1 g (0.50 mol)
• Gas inlet tube and distillation bridge are 136.8 g (1.8 mol) of 1,2-propanediol, 6.2 g (0.1 mol) of ethylene glycol, 109 g (0.56 mol) of terephthalic acid dimethyl ester, 56.3 g (0.19 Mole) 5-sulfoisophthalic acid dimethyl ester Na salt and 487 g
• Gas inlet tube and distillation bridge are 233.0 g (3.75 mol) of ethylene glycol, 72.9 g (0.35 mol) of tetraethylene glycol methyl ether, 291.3 g (1.50 mol)
• polyester 16 in each case 40% strength by weight concentrates, with polyester 16 a 60% strength by weight concentrate are produced.
• Solubility 40% by weight aqueous concentrates at 22 ° C;
• Viscosity values measured immediately after synthesis and after 28 days.
• Example 2 The polyesters indicated in Table 2 are prepared analogously to Example 1 and the viscosity is measured as described above. Examples 5V to 8V are comparative examples. Table 2
• the polymers are added to the respective wash liquors in a concentration of 60 ppm (active ingredient), based on the test detergent formulation (O).
• the wash liquors contain 6 g / l of the formulation "O.” 100 mg of an olive oil / gas black mixture are added to the wash liquor and dispersed in the wash liquor with stirring for 5 min
• the text tissues are first dried and then their whiteness is determined with an Elrepho spectrophotometer and the remission is determined against an untreated standard test fabric Testex PES 730. Remission [%, 457 nm] / 400 nm edge filter.

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Wood Science & Technology (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Polymers & Plastics (AREA)
• Medicinal Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Polyesters Or Polycarbonates (AREA)
• Detergent Compositions (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

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• 2010
  • 2010-11-24 US US13/512,260 patent/US8871703B2/en not_active Expired - Fee Related
  • 2010-11-24 JP JP2012540312A patent/JP5721737B2/ja active Active
  • 2010-11-24 ES ES10781623.3T patent/ES2492500T3/es active Active
  • 2010-11-24 WO PCT/EP2010/007125 patent/WO2011063945A1/de not_active Ceased
  • 2010-11-24 EP EP10781623.3A patent/EP2504379B1/de not_active Not-in-force

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