PT95023A - PROCESS FOR PIGMENTATION, BATHROOM, LEATHER - Google Patents

Description

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for O 0 tingim! The leathers are wet. The present invention relates to a process for preparing a compound of the formula leather with pigments, which can be applied either. dried hides and skins of all kinds »0 procs all types of tanning and hides of all kinds iSn Xiiicã i. ΰ s The application of pigments in the well-known manufacture ;; so in particular black and white pigments are not applied. Pigments are customary. © leather © ipscxa] .me ·; te Lick at * 3. If the pigments in the non-coated bath procedure are applied to black or white hides, a precise dye-to-tone dye coloring is required? for sv 1 ta 'inequalities »The dominant disadvantages; of all the processes and compositions with the following coloring properties, both after the addition of a single pigment and also in particular of a single pigment, as well as in particular after the pigment and non-pigment different from the pigment on on the sides of the leather, bad fixing of the? the velvet side of the leather 5 the reinforcement of the defects: the distinctly inferior pores 1 ρ iq fflsntos = appli cation IA: a mixture of the years after the first years of the years the l pi piement s obr Ό o l Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό Ό.

It has surprisingly been shown that the aforementioned disadvantages can be overcome by the application of very fine pigment pastes. Thus a subject of the invention is a process for the pigmentation in leather baths, pigment dispersions consisting of staining the COS5 Dar finite sums' in which 0

diameter of the pigment particles is less than 100 nm, with the exception of those pigment dispersions which contain, as the dispersing agent, a compound of the formula ## STR3 ##

0- [X-O] n -A (I) X is -CH 2 -CH 2 - and / or -CH 2 -CH 2 CH 2) -, up to (m-1) of the radicals A represents hydrogen. 1 to m of the radicals A represents benaoyl and / or naphthoyl, 1 to m of the radicals A represents -CO-CH = CH-COOM and / or -C0 -GHg-CH (SO4 M) -C00M, wherein M represents a cation, R 2 represents hydrogen and / or alkyl having 1 to 9 carbon atoms, R 2 represents hydrogen and / or alkyl having 1 to 9 carbon atoms, up to 12 n represents a number of 1 to 150 and represents a number of 2 p rspc ?, Γ & Ϊ-. and in the case of commercial films in which the prior art exhibits a lower diameter of the particles of the pigments with one day, at least the usual commercially available dispersions matter. 70s, preferably 15 to 5%, in dispersion the pigment dispersions ΐ. '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' 10 to ISO. How do I? in the compositions of the invention as bisphenol A with alkylated Î ± -cyclohexylated phenols or fatty amines. The amount of dispersing agent usually ranges from 3 to 4% by weight in 5 to 2% by weight.

In addition to these dispersing agents may also contain propylene glycol

The compounds of formula (I) may be prepared by the following methods: The weight and weight of the inorganic pigments, as well as inorganic pigments. pigments, lacquered pigments, phthalocyanine pigments, disincoated pigments, perylenetetracarboxylic acid pigments, quinacridine pigments, triphenylmethane pigments or thioindigo pigments. The leather is finished by two general methods. The leather is optionally curdled and dried, if appropriate, and / or m beiíi in g ra x ad α < or three times as much grating and retanning are left on the side) (a) Brochure \ 5Broschur "5 \" \ \ \ \ \ \ \ \ \ \ \ \ \ men te na p aid. ) or the presence

I

(b) Coloring agents may be used in the presence of common dyeing agents in the practice or of other aids. c) Acids Treatment of leather with acids Cl Cl iciency can be followed by fixing of the fcingiment

H

of a T ratament D p. Table 1: 0.1 cationic c = pigmentation under u> o o o o CD CD CD CD CD CD μ μ Ao Ao Ao Ao Ao Ao Ao Ao Ao Ao Ao Ao Ao Ao Ao Ao Ao Ao Ao Ao Ao At the same time? is suitable for the preparation of the compound of formula (I). (See below). 2 0 0 0 C Otl is curved with chromium and not cross-linked. Cl? C? wet blue leathers or wet blue leathers are then left unattended with the booklet, the operating mode is analogous as described under 1 '. Instead of the brochure, wet scalings are neutralized, that is to say, they are treated with basic salts of sodium carboxymonate and / or sodium formaldehyde). The application of the very fine pastes to the pigmentation of the leather makes it fundamentally unnecessary to apply auxiliaries. dyeing of the pigment may be influenced, however, by its use as a substituent. (hereinafter referred to as "dry leather") are applied to the skin of the skin. 1-β-Î ± -one, for Î ± 1 and β1, respectively. of only 1 uCi of water-soluble Ca 0.2-3 mol% of P-dimethylsulfoxide of the auxiliary agent, as process agent Referring to FIGS. 1 to 2, the compounds of formula (I) include, for example,

iLiXX iX3.f Sts' p * 5Pcl 015-X10 L3.0XO .dos &lt; for example, phenols. naphthols each case with 3 at &gt; (for example, ethylene glycol-ethylene glycol, triethylene glycol), isopropyl ether, ethylene glycol monoethyl ether = ethylene glycol monoethyl ether, ethylene glycol dimethyl ether, ethylene glycol dimethyl ether)? oxalated fatty alcohols, glycolic acids, amino acids, preferably 3 to 5 parts by weight of propane diisopropionate, glycerol. b) After the broaching ·, the bath · is evacuated. Mo fresh bath. The pigmentation is preferably carried out at 30 DEG C. The amount matters? 0.5 to 0 ° C, in 4% of the preparation of the material. As auxiliary agents G9 can be applied. at the same time as the pigment preparation, the compositions are present in an amount of 0.5-5%, preferably from 5% to 50% by weight of the condensation products of the forage material. the ratio of 1 to 3: 1 is preferably 3 to 6: 1), the molar ratio of 1 to 3 is 1, r · * ·.? s r i, 5sl are? (1a), -aniline (1: 3 ratio): 1: 1: 1:

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For c) After dyeing with pigments, the usual acidulence is also carried out for normal dyeing with organic acids, preferably with formic acid or acetic acid in amounts of from 5 to 6, preferably from 2 to 5 4%, with respect to dry weight =

After acidification, it is possible to treat with cationic products. Suitable adjuvants may be taken into account. which can also be applied together with the pigment preparation, the amount applied is the same »

All such products, which are commonly used in dye fixing, can also be applied here. The pigmentation with the fine pastes can provide those of the resistant pigment e. The title compound was prepared in the same manner as in Example 1. the ember on the cour 'D e &gt; effects) in the structure is good. . _____________________________________________ _____ ______ _________ ______t______. dyes are still resistant to light. Dyeing with pigment leather may be effected mainly only with pigments or also in combination with water-soluble dyes. In addition to the type of pigmentation described, an additional application of pigments may also be carried out in the brochure and after application of the quantities applied they import in s.4, ureTsrSucia, in 5i, up to 31 us ai. LiCuchuí, ΐ ΐ t t t t t t t t t t t t t t t t t t,

corant 'occurs in a manner that the dyes are g? In a preferred embodiment of the present invention, the present invention relates to a process for the preparation of a compound of the formula: sbc o) antB S ··························· -S Pι X. B QL 1 -3.Dd5 -S pigmentation By &quot; dyes &quot; The water-soluble CBS is also common in the skin of the skin.

Λ s - or '-''- * ·' .... If the dyes are only added to the pigments. The dyeing is carried out after being broached therein in a fresh bath with or without ammonia (0.5-1% by weight) and with 5% sodium hydroxide solution. common in practice, at 3 ° -60 ° C, in the bath or in the bath. Tensile-CO 5 3 μ 1 mode and maneuver to describe the pigments, in xtos r. when the same dyeing temperature is indicated in the same bath, the temperature of the dye indicated above. 1 ! The m is. X IfllQ? 40 ° C. If a solution is used. The original temperature of the pigment can be determined in the same way as the pigments used in such pigments. tonali ciao B 0 3. or d DS COT an CBS 0 d DS pigments can be equal 3 if they are 4- and o. For example, a colorimetric colorant was mixed with a blend of pigment and color. 5 per inch, of ΡΓ0Ρ3Γ3, the coloring of the pigment in the form of a pigment in the form of a pigment and a pigment. The dyeing recipe corresponds to that of the dyeing of the individual leather pigment. 0 X 5 to 4% 3 UB rs B so

If the dyes are applied after the pigments, pigmentation is initially effected in the manner already described, and the acidification may also not be real: dye dyeing is effective, preferably a fresh bath at 4% W"

Prior to the use of the colorants, it may be added in a quantity of Θ 5 to 4 ra ra ra n n n n n refer refer refer refer refer-----/ / / / / / / / / of the leather) treatment with ammonia is effected for up to 50 minutes to 40 minutes at 40-6Â ° C, in a previous treatment with ammonia.

- Ο Ο Ο acres acres acres acres acres acres acres acres acres acres acres acres acres. the color mismatch can SO * The present invention relates to dyeing auxiliary dyeing agents common in practice. After dyeing the dyeing is effected with acid; from prsfertncia? thermal acid or acetic acid <1 to 5% preferably up to 4%). In the same sheath a further treatment can also be carried out with common dye fixative agents in the practice.

Funds of such minds change is possible a combination of operative conditions 1 &gt; (Dm 2) or 1) with 3) dia 2) with 3) dexamethasone,

Or u. and τ t jx dx to d ‡ ‡ ‡ ‡ ‡ ‡ † † † † † † † † † † † † † † in particular with respect to the leather. the intermediate analogue being p. the wetting of the direct operation in the unnecessary cleaning of the described dry-leather brochure is possible here an operative mode BE * Γ & The pigmentation of the leather and the combination with those described may be transpi.

Are the percentage data no longer relevant? but not at the weight of the scop, but rather? to the weight of the raw material 5 powdered to 2 mol% all percentage data made for dry weight must be divided into two equal parts? when should they refer? to the weight of the scraped material

Example i

Pigments in banhop of cattle leather raspagsm &lt; Wet-b1ue) 'Percentage data refer to scraped feet'

; Wet

0% d8 at 35 ° C or 35% of sodium bicarbonate. sodium phosphate 0? 1% of nonylphenyl oxosylate of 20% of 4: 1. . Ethylene glycol 40 min. In water, U3 40 ° C. £ r * * r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r a a a a r a r r a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a ) i: U. &gt; Pigments containing 0.05% NaCl chelate of 0-nitrophenyl Sodium Iparamanate 0%

50% special red FSR (Pi gment Red 2) 40% special yellow HR (Pigment Ys11ow 83) 10% special black FT

Λ Ν Λ ((((((((((Θ Ν Λ Λ Λ ((((((((((((((((((((((((((((((((( s4) nun =}

% W / w of product for 40 mm c. (% molar ratio 3: 1): 60% (%) of the formaldehyde condensation product

Finishing of common leather usu a n d iss t r i a 1 men

Lxemplp

Pigmentation in bath.

Materials Intermediate dried, post-tanned and greased bovine leather

Percentage data refers to dry weight.

Brochure 1, 0, ® 2? Ô% a.ffion 1? A solution of the title compound of the formula:

10 mmoles. The reaction mixture was stirred for 1 hour at 0 ° C. The reaction mixture was cooled to -78 ° C. The product of the present invention relates to a process for the preparation of a compound of the formula: ## STR1 ## in which the compound of the formula ## STR4 ## Formal d ei. of honey. Π Π, Π Π Π Π min min min min min min min min min.

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: Tori &quot; BX &lt; / RTI &gt;

The amounts of 40% to 50% of ammonia to 50% of ammonia

2.5% brown Coranil HEDG (Acid Brown 1®) 0.34% Coronil HEMG (Pícid Brown 347) 30 min. 350% formic acid at 5% 2% = 50% formaldehyde condensation product dicyandiamide <molar ratio 3s (t)

Acabdififen Lo of usual industrial leather »

Examples of the compounds of the present invention are described in the following examples: Carboxylic Acids, Carboxylic Acids, Carboxylic Acids, Carboxylic Acids, Carboxylic Acids, Carboxylic Acids, Carboxylic Acids, Carboxylic Acids, Carboxylic Acids, ΙΠ ΙΠ ΙΠ ΙΠ ΙΠ v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v. (Ethylene oxide) and the reaction mixture is dried over magnesium sulphate and dried under reduced pressure to give the title compound as a white solid. •% direct black Coran iik H £ iF (Direct Black léS) acid • f rmiuD a O, tft 2 Γι p

A solution of the compound of formula (I) in which the compound of formula (I) xd rOsed 5 i bui Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ Ώ (Pi Ρ 5 Τ Π Π Red Red Red Red Red Red Red Red Red Red Red Red 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 min = 3.times.6% of thermal acid at 85% of the condensation product of F (δ, 51%) of ammonia

Industrial leather finishing industrially »

Claims (2)

BEIVOTICAfigES. wool. The method of pigmenting the leather in a bath characterized in that the leather is dyed with finely divided Pigment dispersions in which the diameter of the pigment particles is less than 100 nm. with the exception of those pigment dispersions which contain as dispersing agent a compound of the formula H-Ar (I) in which Ar represents phenyl or naphthyl, X is -CH 2 -CH 2 - and / or -CH 2 -CH 2 -O- (-CH 2 -CH 2 CH 2) -, up to (m-1) of the radicals A represents hydrogen. 1 to m of the radicals A represents benzoyl and / or naphthoyl, 1 to m of the radicals A represents -CO-CH = CH-COOM and / or -O-C--C--CH₂-SO₂-D-COí,, wherein M is an amino, a and Εύ represent hydrogen or alkyl having 1 to 14 carbon atoms. Β ίπτ; The present invention relates to a method for the preparation of a pharmaceutical composition according to the invention. claim 15 wherein the pigment dissociates are applied in a ratio of 5 to 6%. A method according to any of the preceding claims, characterized in that the water-soluble coloring agents are present in the form of water-soluble dyestuffs. Aq. 1200 LISBOA