CN1306093A - Tanning material/complex tanning material products - Google Patents
Tanning material/complex tanning material products Download PDFInfo
- Publication number
- CN1306093A CN1306093A CN01101687A CN01101687A CN1306093A CN 1306093 A CN1306093 A CN 1306093A CN 01101687 A CN01101687 A CN 01101687A CN 01101687 A CN01101687 A CN 01101687A CN 1306093 A CN1306093 A CN 1306093A
- Authority
- CN
- China
- Prior art keywords
- solid articles
- tanning
- compd
- tanning material
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/08—Chemical tanning by organic agents
- C14C3/18—Chemical tanning by organic agents using polycondensation products or precursors thereof
- C14C3/20—Chemical tanning by organic agents using polycondensation products or precursors thereof sulfonated
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
Abstract
Solid composition comprises: at least a compound(s) (A), increasing the shrinkage temperature of an uncured surface by at least 10 DEG C on treatment in water at 20-50 DEG C; at least a polymer compound(s) (B) with 10-80% by weight one or more C2-C40 alkyl monomeric unit and with 1-10 mol/kg acid groups, preferably carboxylic and/or carboxylate groups; and optionally other additives (C).
Description
The present invention relates to the solid tanning material/complex tanning material products, its production method, it is used for the purposes of tanning and retanning, and the leather of tanning of using and retanning and fur.
Produce leather and fur carries out with several steps operations usually by rawhide and skin.At beamhouse pre-treatment such as unhairing, fleshing, deliming with after softening, typical sequence is tanning, retanning, dyeing, emulsion oil-filling and arrangement.These single operations further can be subdivided into subelement.
Although tanning increases the shrinkage temperature of leather, retanning to the shrinkage temperature of leather almost without any influence." retanning " meaning is performance (hydrophobicity) the optimizing fixing tanning material also that pretan (normally the passing through chrome tanning) aftertreatment of leather makes color, homogeneity, pliability, fullness ratio and relevant water.
Tanning, retanning and dyeing specifically typically use to be carried out in moisture tanning material/complex tanning material solution or each comfortable different rotary drum of dispersion liquid and dye solution.Used most of tanning material and tanning auxiliary agent are added in these rotary drums (buoyancy aid) with powdery solid, this guaranteed simple to operate and storage space minimum.In order to make these operation rationalizations, prepared the mixture of different powdery tanning materials and tanning material auxiliary agent in the past, so that can this tanning step be simplified by cancellation transportation and other operation.
EP-A-849365 has described and has been used for leather retanning simultaneously and fat liquored solids composition, promptly is conventional powdery, water-soluble retanning material, and said composition also comprises ordinary liquid or the non-aqueous oil ﹠ fat of wax shape.
Some retanning material, polymerization retanning material for example, wherein the monomeric unit of 10-80 weight % has one or more C
2-C
40-alkyl, and this polymkeric substance contains acidic group, particularly carboxyl and/or the carboxylate groups of 1-10 mole/kilogram, still, normally its form with the aqueous solution or suspension added in the moisture buoyancy aid (float) so far.Attempting does not still all have successfully by the simple dry powdery form of implementation of equal value that obtains.Therefore the product that obtains has poor redispersibility or other side effect usually with solid form.
Unexpectedly found solid articles now, having comprised:
-at least a compd A), the compd A under 20-50 ℃ temperature in the water) when handling fur, the shrinkage temperature of untanned hide hair is raise 10 ℃ at least,
-at least a different polymer B), wherein the monomeric unit of 10-80 weight % has one or more C
2-C
40-alkyl, and this polymer B) contain acidic group, particularly carboxyl and/or the carboxylate groups of 1-10 mole/kilogram, and optionally
-other addition of C).
Solid articles of the present invention is preferably powder or particle.Preferred particle median size specifically is those of 0.5-5mm.Solid articles of the present invention with its particle form does not have dust and very easily mobile in addition.
And the goods in the present invention's one preferred implementation can not have residue ground and are dissolved in or are emulsifiable in the water, and these solubleness or emulsibility are preferably greater than 50 grams per liters down at 20 ℃.
In these goods, preferred goods of the present invention comprise:
At least a compd A of 25-95 weight %),
At least a compd B of 5-50 weight %) and
One or more addition of C of 0-50 weight %).
But preferred goods of the present invention comprise:
At least a compd A of 30-70 weight %),
At least a compd B of 15-40 weight %) and
Other addition of C of 0-40 weight %).
Addition of C) is preferably the neutralizing agent of 5-20 weight %.Preferred compound A) be tanning material, especially the solid tanning material is preferably selected from mineral tanning agent, vegetable tanning material, synthetic tanning material and resin tanning material especially.
The example of useful mineral tanning agent is the salt of chromium, aluminium or zirconium, but particularly chromic compound such as chromium sulphate, basic chromium sulfate or chromium acetate.
The tanning material that vegetable tanning material normally obtains by extraction from each kind of plant or plant component and drying under being with or without aftertreatment, plant or plant component chestnut, sweet chestnut, Touch-me-notAction Plant, yaruru, tar are for example arranged contain hydrolysis class tannic acid or the similar substance of condensing (class) tannin (referring to for example Reich, G.The theory and practice of organic tanning material (Theorie und Praxis derorganischen Gerbstoffe), part 1: common basic tanning material and natural organic tanning material (allgemeine Grundlagen und nat ü rliche organischeGerbstoffe), leather, 1996,74-83).
Synthetic organic tanning material also is called synthetic tanning material, is generally the sulfonation of aromatic base entity, particularly phenol, cresols, naphthalene and naphthols, biaryl, two aryl oxides and two fragrant sulfones or the sulfo group solubilising aldehyde product that contracts that methylates.The condenses of preferred especially naphthene sulfonic acid, phenol sulfonic acid, sulfobenzide or sulfonation two aryl oxides and formaldehyde and/or urea.These condensess for example from Herfeld (editor) " leather book series " (" Bibliothek des Leders ") the 3rd volume 53-59 page or leaf, are observed (Umschau-verlag) 1984 of press or Reich, G.The theory and practice of organic tanning material, part 2: the organic synthesis tanning material, leather, 1996,157-171) learn, and can make by the method described in these cited literature 2s.
The resin tanning material is preferably nitrogenous compound, particularly urea, dicyanamide or melamine, with the positively charged ion condensation product of formaldehyde, and with for example anionic reactive product of the compound of phenol, sulfonated aromatic compound or sulphite.
Goods of the present invention comprise that aromatics synthetic tanning material by naphthene sulfonic acid, phenol sulfonic acid, two hydroxy phenyl sulfone and/or cacodyl oxide Phenylsulfonic acid and formaldehyde and/or urea condensation is as compd A in a preferred implementation).
In another particularly preferred embodiment, component A) these that comprise 40-90 weight % make up the particularly chromic compound of mineral tanning agent such as chromium sulphate or chromium acetate by the synthetic tanning material of naphthene sulfonic acid, phenol sulfonic acid, two hydroxy phenyl sulfone or cacodyl oxide Phenylsulfonic acid and formaldehyde and/or urea condensation and mineral tanning agent and/or resin tanning material.
Processing in the water under 20-50 ℃ comprises preferably to be thought through the technician of training in the industry and respectively to organize tanning under typical condition of material and the usage quantity.Its starting point is observed press for example at Herfeld (editor) " leather book series ", 1984, the 3 volume 306-314 pages or leaves, the explanation among the example 10-16.Carry out the subsequent measurements of shrinkage temperature according to the method described in the DIN EN 12993.
Compd B) be preferably polymerization retanning material from polyacrylate(s) or polyaspartic acid, but preferred especially poly aspartic acid.
Preferred articles of manufacture also is a polymer B) be selected from those of poly-(methyl) esters of acrylic acid and poly-(methyl) acrylate copolymer class (B1) or polyaspartic acid (B2).
Come the particularly preferred compound of the group of autohemagglutination (methyl) esters of acrylic acid and poly-(methyl) acrylate copolymer class (B1) to be by for example (methyl) vinylformic acid, toxilic acid or to have (C
1-C
2) hydrophilic monomer of the acrylic amide formed of amine and hydrophobic monomer such as olefines, allyl ester class, (methyl) esters of acrylic acid of 10-80 weight % or have the acrylic amide of amine composition (each has chain length (C
3-C
40)) polymerization obtains, perhaps by polymerization (methyl) vinylformic acid, maleic anhydride or have (C for example
1-C
2) monomer of (methyl) esters of acrylic acid of forming of alcohol, use (C then
2-C
40) alcohol moiety esterification or transesterification obtain.
Special preferred compound from polyaspartic acid (B2) group for example is the amine or the alcohols (C of polysuccinimide and 0.10-0.80 molar equivalent
2-C
40) reaction product, then the mineral alkali with for example sodium hydroxide or potassium hydroxide partly neutralizes.
In a preferred embodiment, polymer B) has and be lower than 100000, particularly be lower than the molecular-weight average of 20000 gram/moles.
In another special preferred implementation, polymer B) all can not use with solid, no water pref, because except that after desolvating, they for example no longer can redispersion or stable storage.
Article according to the invention obviously can also contain other addition of C).Useful addition of C) example has neutralizing agent, dispersion agent, defoamer, hydrophobizing agent or dyeing auxiliary.
Useful neutralizing agent for example comprises an alkali metal salt, aromatic sulfonic acid, weak inorganic acid or one or dicarboxylic acid.In solid articles, neutralizing agent preferably uses with the amount of 5-20 weight %.
Particularly preferred goods for example comprise be mixed with 10-40 weight % neutralization and dispersing additive C) 30-65 weight % aromatics synthetic tanning material A) and 15-25 weight % based on the polymerization retanning material B of poly aspartic acid).These goods are preferably particle.
Another more particularly preferred goods comprise the mixture of the chromic salt as compd A, aromatics synthetic tanning material and the resin tanning material of 40-70 weight %, the neutralization additive C of 15-30 weight %) and the polymerization retanning material B that comes autohemagglutination (methyl) esters of acrylic acid or polyaspartic acid of 15-40 weight %).Per-cent all is to be benchmark with goods.
More preferably goods comprise aromatics synthetic tanning material, 20-40 weight % resin tanning material and the % neutralization of 30-40 weight and the dispersing additive of 20-40 weight % and are aided with the polymerization retanning material B of 10-25 weight %).
Described goods do not have dust and unrestricted flow.
The present invention also provides the method for a kind of production goods of the present invention, it is characterized in that optionally being mixed with C) compd A) with B) the aqueous solution and/or suspension mix, if necessary, adding B) process in or carry out drying afterwards.Preferably with compd B) add compd A to solid form) and selectivity C) in.More particularly, in mixing tank to spray B) the aqueous solution or the form of suspension add.In the method, the gained mixture can be pulpous state at first.Add B) the aqueous solution/suspension process in or drying afterwards preferably at 20-200 ℃, particularly at 20-105 ℃, more under 50-100 ℃, carry out.The inventive method is also especially preferably with 5-60%, particularly the B of 10-50% solids content) aqueous solution or aq suspension add polymer B).
The present invention also provides goods of the present invention to be used in the pretreated rawhide of moisture buoyancy aid tanning and retanning or the purposes of cuticle.Simultaneously preferably in moisture buoyancy aid, use production of articles leather of the present invention or fur by leather or the fur of handling pre-tanning with goods of the present invention.Therefore the application of the invention goods have formed another part theme of the present invention as leather or fur tanning material or the production of retanning material or that obtain by purposes of the present invention.
In preferable use, leather of the present invention is by producing with the product tanning pickled pelt of the present invention of 6-10 weight % down at 20-45 ℃ in being purchased tanning equipment such as rotary drum, mixing tank or Dosamat.In the tanning step, do not need other additive.This tan leather can wash and traditional aftertreatment, although the form that can more simplify is carried out retanning and emulsion oil-filling (if any).
In another preferred embodiment, the pH of the wet blue that is purchased is adjusted to about 3.5, uses present composition retanning in moisture buoyancy aid of 10-15 weight % then.Can further process in a conventional manner through the leather of handling like this, although the form that can more simplify is carried out follow-up emulsion oil-filling (if any).
All provide particularly at the leather that has aspect pliability and the surface property than the obvious improvement of the article performance of handling with traditional product with product tanning of the present invention and retanning, traditional product for example has the chromic salt with 7-16% chromium content and the mixture of synthetic tanning material and neutralizing agent, or the retanning material compound of being made up of 20-50% synthetic tanning material, 20-50% resin tanning material and 10-50% neutralizing agent.
Embodiment 1: synthetic tanning material A I:
Under 145 ℃ with the H of naphthalene with 1.4 molar equivalents
2SO
4Sulfonation 2 hours.The mixture of 37 weight % formaldehyde solutions of the naphthene sulfonic acid that 1000 grams are obtained like this, the two hydroxy phenyl sulfones of 800 grams and 250 milliliters was 100-120 ℃ of following condensation 3 hours.Products therefrom is adjusted to pH3.5 and acid number 80 with aqueous sodium hydroxide solution and phthalic acid, and is spray-dried.Only make tanning material 72-78 ℃ shrinkage temperature is provided for the gained leather with it.
Embodiment 2: synthetic tanning material A II:
Under 100-180 ℃ with the H of phenol with 0.88 molar equivalent
2SO
4Sulfonation.The gained mixture of phenol sulfonic acid and two hydroxy phenyl sulfones is neutralized with aqueous sodium hydroxide solution, follow formaldehyde condensation following at 100-120 ℃ and 0.44 molar equivalent.Rough condenses is adjusted to pH3.7 and acid number 80 with pentanedioic acid, and is spray-dried.Only make tanning material 72-80 ℃ shrinkage temperature is provided for leather with it.
Embodiment 3: synthetic tanning material A III:
Under 145 ℃ with the H of naphthalene with 1.4 molar equivalents
2SO
4Sulfonation 3 hours, with 0.66 moles of formaldehyde condensation condensation 3 hours, cooling is adjusted to pH3.5 and acid number 50 with aqueous sodium hydroxide solution and pentanedioic acid, and was spray-dried.In tanning certainly, use the shrinkage temperature of having given leather 68-72 ℃.
Embodiment 4: synthetic tanning material A IV:
Under the situation that 0.1 mole of sodium bisulfite and 50 parts of sulfite waste lyes are arranged with 1 mole of dicyanamide and 2 moles of formaldehyde condensations.Excess formaldehyde and ammonia are combined into vulkacit H.Gained solution is spray-dried.Provide 70-75 ℃ shrinkage temperature in use in tanning.
Embodiment 5: liquid polymeric retanning material B I:
60-145 ℃ increase progressively under the temperature 1000 gram maleic anhydrides, 800 gram glycol ethers and 800 are restrained ammonia soln (25%) condensations 4 hours, then volatile constituent is distilled.After 700 gram hydrogenated oil and fat aliphatic amides reactions 6 hours, reaction mixture is cooled to 110 ℃ and mix with 170 gram oleic acid and 10 gram siloxanes defoaming agentss.In the ethanolamine solutions with this reaction product dissipation of heat to 3 liter 2.5 weight %, with aqueous sodium hydroxide solution neutralization and use hydrogen peroxide bleaching.
(referring to DE-A 19959949), B component
2(PAS 1))
Embodiment 6: liquid polymeric retanning material B II:
Under 75-95 ℃, in 4 hours, be added in the AIBN (azo isobutyronitrile) of the gram of 24 in 340 milliliters of toluene in a continuous manner in the solution of 600 gram maleic anhydrides in 1200 milliliters of toluene and 1000 gram diisobutylene.3.5 after hour, the single reinforced 35 gram vinylbenzene of metering.After under 95 ℃, then stirring 6 hours, be added in the gram of 1400 in 4.4 liters of toluene fatty alcohol mixture (C
12-C
18) solution and 80 ℃ of following esterifications 24 hours.While stirring reaction mixture is neutralized with the gram of 245 in 11.8 premium on currency sodium hydroxide, under reduced pressure remove organic solvent then by component distillation.
(EP-A 0648846, embodiment A, 4)
Embodiment 7: liquid polymeric retanning material B III:
Under 85 ℃, in 2 hours, equably 400 gram vinylformic acid, 600 gram hexadecyl-eicosyl methacrylic esters, 10 gram azo iso-pentane nitrile radical initiators and 20 gram 3-thiohydracrylic acid solution in 165 gram water are added in the trimethyl carbinol of 900 grams with constant speed.Be added in 1 gram azo iso-pentane nitrile radical initiator in the 5 gram trimethyl carbinols afterwards, then stirred 1 hour down at 85 ℃.This mixture is dispersed in 10% aqueous sodium hydroxide solution of 2.5k gram and and removes organic solvent by distillation.
(EP-A 0579267, embodiment method A)
Embodiment 8: the addition of C I:
Under 140-145 ℃, restrain the H of naphthalenes with 3 molar equivalents with 1000
2SO
4Sulfonation 8 hours is adjusted to pH7 with aqueous sodium hydroxide solution, and with this crude product mixture spraying drying.
Embodiment 9: the addition of C II:
Under 120-125 ℃, restrain the H of xylyl ethers with 1.7 molar equivalents with 1000
2SO
4Sulfonation 4 hours, then under 105-108 ℃ with this azochlorosulfonate acid mixture with 0.7 normal formaldehyde condensation.The cooling solution of this rough condenses is adjusted to pH7 with aqueous sodium hydroxide solution, and spray-dried.
Embodiment 10: the addition of C III:
Under 120 ℃, restrain the H of phenol with 2 molar equivalents with 1000
2SO
4Sulfonation 2 hours.After the cooling, this reaction mixture is adjusted to pH6.5 with ammonia, and by spraying drying with its form that powders.Embodiment 11-17: the preparation of mixture
Embodiment 11:
At room temperature with 35 parts of Cr
2(SO
4)
3, 15 parts of synthetic tanning material A I, 15 parts of synthetic tanning material A IV, 20 parts of addition of C II, 10 parts of Na
2CO
3With 5 parts of NaHCO
3Mix and form uniform mixture.Under 90 ℃ this mixture is mixed with 40 parts of polymerization tanning material B III in mixing tank/Fitz chilsonator (mixer/agglomerator) then, obtain a free-pouring green particles product, it is soluble in water that at room temperature it can not have residue ground.
Part (number) by weight.
Embodiment 12:
At room temperature with 45 parts of Cr
2(SO
4)
3, 15 parts of synthetic tanning material A IV, 15 parts of pentanedioic acids, 15 parts of NaHCO
3Mix the formation uniform mixture with 10 parts of M gram O.Under 60 ℃, 50 parts of retanning material B I are added in mixing tank/Fitz chilsonator continuously, obtain a free-pouring green particles product, 40 times it not have residue ground soluble in water.Embodiment 13:
At room temperature with 20 parts of tar, 20 portions of Touch-me-notAction Plants, 20 parts of synthetic tanning material A I, 30 parts of addition of C I and 10 parts of NaHCO
3Mix forming uniform mixture, under 80 ℃, this mixture is mixed with 60 parts of polymerization retanning material B III.The gained mashed prod is through hot-extrudable.Cooling obtains stable in storage free flowing granule product.
Embodiment 14:
Under 80 ℃, 40 parts of synthetic tanning material A II, 35 parts of addition of C II, 10 parts of addition of C III and 5 parts of sodium acetates are dissolved in 60 parts of water, then mix with 100 parts of polymerization retanning material B II.In the fluidized bed spray granulation device with 140-150 ℃ inlet air temp with this mixture drying, the mobile particle gains freedom.
Embodiment 15:
At room temperature with 50 parts of synthetic tanning material A I, 10 parts of synthetic tanning material A IV, 30 parts of addition of C I and 10 parts of NaHCO
3Violent mixing being incorporated in 80 ℃ down by adding the agglomeration of 30 parts of polymerization retanning material B III, obtains a free flowing granule product, 45 ℃ down it not have residue ground soluble in water.
Embodiment 16:
At room temperature with 20 parts of synthetic tanning material A I, 10 parts of synthetic tanning material A III, 20 parts of synthetic tanning material A IV, 40 parts of addition of C II and 10 parts of NaHCO
3Mix and form uniform mixture.Add 50 parts of polymerization tanning material B II down continuously at 60 ℃ then in mixing tank/Fitz chilsonator, obtain a free flowing granule product, it is soluble in water that its storage-stable also at room temperature can not have residue ground.
Embodiment 17:
At room temperature with 15 parts of synthetic tanning material A I, 15 parts of synthetic tanning material A III, 20 parts of synthetic tanning material Leukotan
SD 1000 (polyacrylic acid, Rohm and Haas), 40 parts of addition of C II and 10 parts of NaHCO
3Mix forming uniform mixture, mix with 60 parts of polymerization retanning material B II down at 80 ℃ then.The gained mashed prod 100 ℃ through extruding, cooling obtains a free flowing granule product.
Embodiment 18-20: purposes
Embodiment 18: tanning
Routinely with rawhide (ox, the thick 2.5mm of cortex) deliming, softening, and with 6% sodium-chlor, 0.5% formic acid and 1.0% vitriolic pickling liquid it is adjusted to pH2.8.At room temperature add 9% product, tanning at room temperature afterwards 2 hours according to embodiment 11.Then this rawhide was stirred 5 minutes with per 60 minutes, stirred for 1 night like this, temperature is raised to 45 ℃ gradually.Fall this buoyancy aid, with this leather flushing, and retanning routinely, dyeing, emulsion oil-filling and arrangement.
Be purchased reference product relatively, the gained leather is soft also to have particle soundness preferably; It is more even to dye.
Embodiment 19: retanning
In rotary drum, under 35 ℃, wet blue (ox, the thick 1.1mm of cortex) was stirred 2 hours with 7% product according to embodiment 12 in 100% buoyancy aid.This leather is purchased synthetic fat liquor through emulsion oil-filling with 100% buoyancy aid with 7% through flushing under 50 ℃, fix (fixation) by portion-wise addition 2% formic acid, and arrangement routinely.
Embodiment 20: retanning
In rotary drum,, fall this buoyancy aid by wet blue (ox, slice thick 1.5mm) being adjusted to pH3.5 with the oxalic acid treatment in 200% buoyancy aid.Then add 150% water and 12% composition down according to embodiment 15 at 40 ℃.After 60 minutes, add 1% dyestuff and descend dyeing 90 minutes at 50 ℃.Portion-wise addition formic acid falls this buoyancy aid and also this leather is washed and arrangement by traditional way with fixing (fixation).
Claims (15)
1. solid articles comprises:
-at least a compd A), the compd A under 20-50 ℃ temperature in the water) when handling fur, the shrinkage temperature of untanned hide hair is raise 10 ℃ at least,
-at least a different polymer B), wherein the monomeric unit of 10-80 weight % has one or more C
2-C
40-alkyl, and this polymer B) contain acidic group, particularly carboxyl and/or the carboxylate groups of 1-10 mole/kilogram, and optionally
-other addition of C).
2. solid articles as claimed in claim 1 is characterised in that they are particle, preferably have the median size of 0.5-5mm.
3. solid articles as claimed in claim 1 is characterised in that described compd A) be selected from mineral tanning agent, vegetable tanning material, aromatics synthetic tanning material and resin tanning material.
4. solid articles as claimed in claim 1, be characterised in that its 20 ℃ down the water solubility of no residues or emulsibility greater than 50 grams per liters.
5. solid articles as claimed in claim 1 is characterised in that described compd A) be mineral tanning agent, preferred trivalent chromium salt.
6. solid articles as claimed in claim 1 is characterised in that described compd A) for the aromatics synthetic tanning material, particularly by the condensation product of naphthene sulfonic acid, phenol sulfonic acid, two hydroxy phenyl sulfone and/or cacodyl oxide Phenylsulfonic acid and formaldehyde and/or urea.
7. solid articles as claimed in claim 1 is characterised in that described polymer B) be selected from polyacrylate(s) (B1) or polyaspartic acid (B2).
8. solid articles as claimed in claim 1 comprises:
At least a compd A of 45-95 weight %),
At least a compd B of 5-50 weight %) and
One or more addition of C of 0-50 weight %).
9. solid articles as claimed in claim 1, they comprise as other addition of C) neutralizing agent, dispersion agent, defoamer, hydrophobizing agent and/or dyeing auxiliary.
10. solid articles as claimed in claim 9 is characterised in that used neutralizing agent is an alkali metal salt of aromatic sulfonic acid, weak inorganic acid and/or list or dicarboxylic acid.
11. the production method of solid articles as claimed in claim 1 is characterised in that and will optionally be mixed with C) compd A) with B) the aqueous solution and/or suspension mix, if necessary, adding B) process in or carry out drying afterwards.
12. goods as claimed in claim 1 are used for the purposes of tanning and retanning rawhide or skin.
13. produce the method for leather or fur, be characterised in that in moisture buoyancy aid pretreated rawhide or cuticle are handled with the water pref that contains of claim 1.
14. produce the method for leather or fur, be characterised in that in moisture buoyancy aid pretreated leather or fur are handled with the solid articles of claim 1.
15. leather or fur that the solid articles of exercise of power requirement 1 method that produce or that pass through claim 13 or 14 obtains.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10002048.9 | 2000-01-19 | ||
| DE10002048A DE10002048A1 (en) | 2000-01-19 | 2000-01-19 | Tannin / retanning preparations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1306093A true CN1306093A (en) | 2001-08-01 |
| CN1230558C CN1230558C (en) | 2005-12-07 |
Family
ID=7627970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011016876A Expired - Fee Related CN1230558C (en) | 2000-01-19 | 2001-01-18 | Tanning material/complex tanning material products |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1118682B1 (en) |
| CN (1) | CN1230558C (en) |
| AR (1) | AR027515A1 (en) |
| AT (1) | ATE256754T1 (en) |
| BR (1) | BR0100104B1 (en) |
| DE (2) | DE10002048A1 (en) |
| ES (1) | ES2210038T3 (en) |
| MX (1) | MXPA01000660A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114736998A (en) * | 2022-04-12 | 2022-07-12 | 浙江通天星集团股份有限公司 | Production process of low-odor low-VOC cow leather sofa leather |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005031043A1 (en) * | 2005-07-02 | 2007-01-25 | Lanxess Deutschland Gmbh | Polyaspartic acid derivatives in polysiloxane-containing coating compositions |
| CN105586444B (en) * | 2016-01-06 | 2017-12-26 | 四川大学 | A kind of leather retanning filler prepared with phenol sulfonic acid hydrolysis tanning waste |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4526581A (en) * | 1983-02-07 | 1985-07-02 | Rohm And Haas Company | Process for producing leather |
| CH676365A5 (en) * | 1988-09-28 | 1991-01-15 | Ciba Geigy Ag | |
| DE4118007A1 (en) * | 1991-06-01 | 1992-12-03 | Basf Ag | CONDENSATION PRODUCTS FROM SULFONATED PHENOLS, UREA, OTHER ORGANIC NITROGEN BASES AND FORMALDEHYDES AND THEIR USE AS TANTS AND AS SPRAY AIDS FOR REDISPENSABLE POLYMER POWDER |
-
2000
- 2000-01-19 DE DE10002048A patent/DE10002048A1/en not_active Withdrawn
-
2001
- 2001-01-08 EP EP01100041A patent/EP1118682B1/en not_active Expired - Lifetime
- 2001-01-08 DE DE50101155T patent/DE50101155D1/en not_active Expired - Fee Related
- 2001-01-08 AT AT01100041T patent/ATE256754T1/en not_active IP Right Cessation
- 2001-01-08 ES ES01100041T patent/ES2210038T3/en not_active Expired - Lifetime
- 2001-01-15 AR ARP010100171A patent/AR027515A1/en active IP Right Grant
- 2001-01-18 BR BRPI0100104-3A patent/BR0100104B1/en not_active IP Right Cessation
- 2001-01-18 MX MXPA01000660A patent/MXPA01000660A/en not_active Application Discontinuation
- 2001-01-18 CN CNB011016876A patent/CN1230558C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114736998A (en) * | 2022-04-12 | 2022-07-12 | 浙江通天星集团股份有限公司 | Production process of low-odor low-VOC cow leather sofa leather |
| CN114736998B (en) * | 2022-04-12 | 2023-10-20 | 浙江通天星集团股份有限公司 | Production process of low-odor low-VOC (volatile organic compound) cow leather sofa leather |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10002048A1 (en) | 2001-07-26 |
| AR027515A1 (en) | 2003-04-02 |
| CN1230558C (en) | 2005-12-07 |
| DE50101155D1 (en) | 2004-01-29 |
| BR0100104A (en) | 2001-08-28 |
| ES2210038T3 (en) | 2004-07-01 |
| EP1118682B1 (en) | 2003-12-17 |
| EP1118682A1 (en) | 2001-07-25 |
| MXPA01000660A (en) | 2002-08-06 |
| ATE256754T1 (en) | 2004-01-15 |
| BR0100104B1 (en) | 2012-01-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5885474A (en) | Use of polyaspartic acid amides as leather auxiliary products | |
| CN110669183B (en) | Formula and preparation method of acrylic acid modified waterborne epoxy ester resin | |
| US5155164A (en) | Products of the condensation of phenolmonosulfonic acids, dihydroxydiphenyl sulfones, urea and formaldehyde | |
| CN1837254A (en) | Condensate containing acid radical | |
| CN1230558C (en) | Tanning material/complex tanning material products | |
| JPH08504455A (en) | Copolymers and their use in the treatment of leather | |
| JPH10500440A (en) | Water-soluble or water-dispersible protein graft copolymers as tanning agents | |
| US20070022541A1 (en) | Method for producing leather | |
| KR102490984B1 (en) | Method for producing hydrophobic leather treatment agent | |
| KR20040044859A (en) | Emulsifying agent composition and low-fogging, high-exhaust stuffing agent, the production and utilization thereof | |
| CN111057803A (en) | Amphoteric polymer retanning agent for ecological leather manufacturing and preparation method thereof | |
| CN111154030B (en) | Preparation and application of polyoxyalkylene-containing epoxy acrylate polymer active fatliquor | |
| US5873908A (en) | Alkoxy group containing copolymers and their use in retanning leather | |
| CA1061029A (en) | Leveling aids for latex finishes | |
| CN109576417B (en) | Amino retanning fatliquor and preparation method thereof | |
| AU2003250493B2 (en) | A process for the preparation of a synthetic tanning agent | |
| EP0711842B1 (en) | Leather tanning agents and actuator for dyes | |
| CN1660796A (en) | Leather agent | |
| US7300599B2 (en) | Lubricant for the production and treatment of leather | |
| CN115304563B (en) | Maleic acid ester modifier, polymerized acrylic resin derivative, and preparation methods and applications thereof | |
| US20040052751A1 (en) | Process for the preparation of a formaldehyde-free synthetic tanning agent | |
| RU2174150C1 (en) | Rawstock treatment process | |
| CN111826482A (en) | Preparation method of water-soluble synthetic tanning agent containing chromium sulfomethylated bisphenol S | |
| CN1276017A (en) | Aphiphilic perfluoroalkyl modified polydienes and their use in the treatment of leather | |
| EP0151290A1 (en) | Amphoteric condensation products and use thereof in retanning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LANXESS DEUTSCHLAND GMBH Free format text: FORMER OWNER: BAYER AG Effective date: 20070525 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070525 Address after: The Federal Republic of Germany Leverkusen Patentee after: Lanxess Deutschland GmbH Address before: The Federal Republic of Germany Leverkusen Patentee before: Bayer Aktiengesellschaft |
|
| C56 | Change in the name or address of the patentee |
Owner name: LANXESS GERMAN LIMITED LIABILITY COMPANY Free format text: FORMER NAME OR ADDRESS: LANXESS DEUTSCHLAND GMBH |
|
| CP03 | Change of name, title or address |
Address after: Germany Leverkusen Patentee after: Lanxess Deutschland GmbH Address before: The Federal Republic of Germany Leverkusen Patentee before: Lanxess Deutschland GmbH |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Langsheng (Wuxi) Chemical Co., Ltd. Assignor: Lanxess Deutschland GmbH Contract fulfillment period: 2009.4.30 to 2015.4.29 contract change Contract record no.: 2009990000569 Denomination of invention: Tanning material/complex tanning material products Granted publication date: 20051207 License type: Exclusive license Record date: 2009.5.27 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.4.30 TO 2015.4.29; CHANGE OF CONTRACT Name of requester: LANGSHENG( WUXI ) CHEMICAL CO., LTD. Effective date: 20090527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051207 Termination date: 20160118 |
|
| EXPY | Termination of patent right or utility model |