US2962392A - Process for delustring textile materials - Google Patents

Process for delustring textile materials Download PDF

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US2962392A
US2962392A US581324A US58132456A US2962392A US 2962392 A US2962392 A US 2962392A US 581324 A US581324 A US 581324A US 58132456 A US58132456 A US 58132456A US 2962392 A US2962392 A US 2962392A
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acid
salt
solution
metal
polybasic
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Haycock Peter Howard
Ryan John James
Tuson Margaret
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Tootal Broadhurst Lee Co Ltd
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Tootal Broadhurst Lee Co Ltd
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06Q—DECORATING TEXTILES
    • D06Q1/00—Decorating textiles
    • 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
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
    • D06M11/11—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
    • 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
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
    • D06M11/55—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
    • D06M11/56—Sulfates or thiosulfates other than of elements of Groups 3 or 13 of the Periodic Table
    • 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
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/58—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides
    • D06M11/64—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides with nitrogen oxides; with oxyacids of nitrogen or their salts
    • D06M11/65—Salts of oxyacids of nitrogen
    • 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
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/68—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
    • D06M11/70—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with oxides of phosphorus; with hypophosphorous, phosphorous or phosphoric acids or their salts
    • D06M11/71—Salts of phosphoric acids
    • 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
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/68—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
    • D06M11/72—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with metaphosphoric acids or their salts; with polyphosphoric acids or their salts; with perphosphoric acids or their salts
    • 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
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating 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 oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/192—Polycarboxylic acids; Anhydrides, halides or salts thereof
    • 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
    • D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
    • D06M15/423—Amino-aldehyde resins

Definitions

  • the textile materials treated may be fibres, yarns or fabrics of natural or artificial origin, including natural silk and artificial silk of all types, e.g. cellulose others or esters or regenerated cellulose such as viscose rayon.
  • Impregnate with solutio Impregnate with solution of metal salt of acid of acid salt of polybasic stronger than above acid. polybasic acid.
  • fabrics and other textile materials can be weighted and/or delustred by precipitating an insoluble non-resinous condensation product in the form of finely divided particles from urea or urea-like substances and formaldehyde or from soluble partial condensates thereof used for impregnating the material, by the addition of an acid or a substance liberating an acid before, during or after impregnation so that the precipitate is formed directly on the textile material.
  • the precipitant used in that process is preferably an acid and the textile material may be impregnated with any two of the three components of the reaction and then treated with the third or may be impregnated with any one of the three components and then treated with the other two.
  • the insoluble condensation products of urea and formaldehyde, in the form of white, amorphous discrete particles, known as methylene ureas are excellent delustrants and are capable of being formed by precipitation at ordinary temperature. If heat is used at all in their preparation, it is necessary carefully to avoid either an unduly high temperature or an excessive time of heating, otherwise synthetic resin formation will take place.
  • the precipitant is an acid
  • the urea-formaldehyde mixture may contain a potential precipitant (i.e. one capable of liberating the acid precipitant under the conditions of treatment) e.g. the ammonium salt of an acid, which acid States Patent 0 will then be liberated on warming or treating the impregnated material with wet steam, provided that resin-formation is avoided.
  • phosphoric acid is used herein to mean orthophosphoric acid and the term phosphate to mean orthophosphate.
  • acid salt we mean a salt in which less than all of the replaceable hydrogen atoms in the polybasic acid molecule are replaced by the selected metal and the other replaceable hydrogen atom'or atoms is or are unreplaced.
  • less acid salt we mean a salt in which more of the replaceable hydrogen atoms in the polybasic acid molecules are replaced by the selected metal than in the case of said acid salt; the term includes salts in which all of the replaceable hydrogen atoms are so replaced.
  • the critical concentration depends upon the nature of the selected metal, upon the nature of the polybasic acid and upon the ionizing solvent em! ployed and may be altered by other ingredients in the solution, especially any common ions. However, it is generally possible to determine the critical concentration for any solution by making pH measurements at various concentrations and at the temperature at which it is desired to use the system and drawing a graph showing the relationship between pH and concentration. The slope of the curve alters suddenly at the point where the less acid salt of the selected metal begins to separate out.
  • the word concentration refers to the concentration of the selected metal in solution.
  • a solution in an ionizing solvent such as water of the ingredients of an aminoaldehyde condensation product whose formation is catalysed by acid, containing in solution an acid salt of a polybasic acid having a first dissociation constant in water of not less than with a metal of which a less acid salt with the same polybasic acid is precipitated before said acid salt on removal of solvent from the solution.
  • the solution contains a dihydrogen phosphate of a metal whose trimetal phosphate or mono hydrogen phosphate will separate before its dihydrogen phosphate on removal of solvent from the solution, such as magnesium dihydrogen phosphate.
  • a very convenient way of producing an aqueous solution containing the dihydrogen phosphate of such a metal is to introduce into an aqueous solution of the ingredients of the amino-aldehyde condensation product the dihydrogen phosphate of a base whose dihydrogen phosphate will separate from solution on removal of solvent before its monohydrogen phosphate, such as an alkali metal or ammonium dihydrogen phosphate, and also a salt of the selected metal, such as magnesium, with an acid which is stronger than phosphoric acid. It is, of course, desirable that neither the salt of the selected metal with such acid stronger than phosphoric acid nor the dihydrogen phosphate of the base should separate first from the solution on removal of solvent.
  • An aqueous solution containing an acid salt of a selected metal with a polybasic acid, other than phosphoric acid, having a first dissociation constant in water of not less than 10' can be produced in analogous manner.
  • the present invention makes use of the fact which we have observed, that when there is introduced into an aqueous solution of the ingredients of an amino-aldehyde condensation product an acid salt of a polybasic acid and also a salt of a selected metal with an acid stronger than said polybasic acid, the relative proportions of the solution and of the said salts being such that the critical concentration of a less acid salt of the selected metal is exceeded, then such less acid salt will separate and the aqueous solution will become more acid.
  • the pH of the resulting solution can be sufficiently low to cause the separation of waterinsoluble amino-aldehyde condensation product in a particulate form suitable for delustring textile materials.
  • Textile material can be delustred in accordance with the present invention by two successive impregnations with solution, the second at least being an aqueous solution and either of which contains the ingredients of an amino-aldehyde condensation product.
  • the textile material is preferably dried or partially dried between the impregnations.
  • Two alternative procedures are possible.
  • the first solution contains an acid salt of a polybasic acid having a dissociation constant in water of not less than 10- such as an alkali metal or ammonium dihydrogen phosphate
  • the second solution contains a salt of the selected metal, such as magnesium or lead, with an acid stronger than said polybasic acid
  • the first solution contains the salt of the selected metal and the second solution contains the acid salt.
  • the ingredients of the amino-aldehyde condensation product be incorporated in the second solution; if, however, they are incorporated in the first solution, it is preferable that the acid salt be not an ammonium salt.
  • a process of producing a delustre effect on textile material which comprises impregnating the material with a solution containing an acid salt of a polybasic acid having a dissociation constant in water of not less than 10-, preferably drying or partly drying the so impregnated material, and then impregnating the sotreated material with an aqueous solution containing a salt with an acid stronger than said polybasic acid of a metal of which a less acid salt with said polybasic acid will separate from an aqueous solution of its acid salt on removal of water, the amount of acid salt introduced into the material by the first impregnation and the concentration of the solution used for the last-mentioned impregnation being such that separation of such less acid salt takes place on such impregnation, either solution containing the ingredients of an amino-aldehyde condensation product.
  • the aqueous solution used for the second impregnation contains the acid salt of a polybasic acid having a dissociation constant in water of not less than 10- and the solution used for the first impregnation contains the metal salt of an acid stronger than said polybasic acid.
  • the concentration of the aqueous solution within and between the fibres will be increased with further lowering of the pH. If the solution still contains some resin-forming ingredients after removal of the greater part of the water, a final heating at a temperature above C. will bring about formation of resinous condensation product of good fastness to washing and even at temperatures below 100 C. such resin formation frequently occurs.
  • the amount of such ingredients will, however, be rather variable if the customary crystalloidal intermediate condensation products of, for example, urea and formaldehyde or melamine and formaldehyde are used.
  • the solution may advantageously include methylol ethers derived from urea and formaldehyde or melamine and formaldehyde.
  • the methylol ethers do not give particulate precipitates.
  • the dimethyl ether of dimethylol urea may be used for this purpose.
  • the acid salt may be, for example, a sodium, potassium or ammonium salt, e.g. the dihydrogen phosphate.
  • the selected metal, of which the less acid salt, such as the monohydrogen phosphate, separates from aqueous solution before the acid salt, such as the dihydrogen phosphate, at concentrations above the critical concentration may be, for example, barium, calcium, strontium,
  • the acid stronger than the said polybasic acid may be, for example, hydrochloric acid or sulphuric acid or nitric acid, provided that the resulting solution does not unduly attack the ingredients of the amino-aldehyde resin or the textile material.
  • acid salts of a metal such as an alkali metal
  • acid salts of sodium are preferably not used since these can give rise to some reaction with the aldehyde or intermediate condensation product in the solution.
  • the aqueous solution formed in the textile material upon the second impregnation comprises a system of salts which behaves, as regards pH change, as if it were simply a solution, evaporated beyond the critical concentration, of the acid salt of the selected metal,
  • ingredients of amino-aldehyde condensation products used in the solutions of the present invention may have as their amino component urea or melamine, for example, and as their aldehyde component formaldehyde or paraformaldehyde, for example.
  • the term ingredients includes partial condensates and we may therefore use in the solutions the water-soluble methylol compounds obtained by the condensation of urea or melamine with formaldehyde under alkaline conditions.
  • the acid salt such as the dihydrogen phosphate
  • the acid salt employed be an alkali metal acid salt, especially an acid salt of sodium.
  • the ingredients of the amino-aldehyde condensation product in the form of a water-soluble .crystalloidal intermediate condensation product produced in known manner under neutral or alkaline conditions. It is preferred to employ such an intermediate condensation product for the preparation of the solutions of the present invention but it is preferred also to use one whose formation has not been catalysed by means of ammonia.
  • the aqueous solution used for the second impregnation contains the ingredients of the amino-aldehyde resin, care must be taken to ensure that its pH is not unduly lowered by salt which may be extracted from the textile material during the second impregnation.
  • the risk of this is particularly great where the less acid salt has a very 'low critical concentration, e.g. lead monohydrogen phosphate.
  • This risk can be minimised by including in either of the solutions a buffer. If the intermediate condensation product is one which has been made with the aid of alkali this will serve as the buffer.
  • the effect of buffering is discussed in the aforesaid application Serial No. 581,508, April 30, 1956.
  • the process of the presentinvention possesses a number of advantages over the process hitherto employed using solutions which depended for the development of acidity upon decomposition of an ammonium salt.
  • the development of acidity by reaction of ammonium salts With aldehyde or intermediate condensation product gives rise to the production of volatile bases which are liable to have an unpleasant odour.
  • Such volatile bases are not produced from those solutions employed in the process of the present invention which do not contain ammonia or an ammonium salt.
  • the use of ammonia and/or ammonium salts in the solutions causes the production of hexamine which adversely affects light-fastness of certain direct dyestuffs.
  • Hexamine is not produced with those solutions employed in the process of the present invention which do not contain ammonia or an ammonium salt. Solutions in which the development of acidity is caused by the reaction of ammonium salts are dependent for their effect upon the free formaldehyde content of the solutions. The development of acidity in the solutions employed in the process of the present invention which do not con tain ammonium salt is independent of the free formalde/ hyde content of the solutions. Even if there are employed in the process of the present invention solutions which do contain ammonium salts, these undergo a development of acidity which is independent of any acidity produced by the reaction of the ammonium salt with free formaldehyde in the solutions.
  • One advantage of the process of the present invention is that the delustring effect and the quantity of particulate precipitate which is formed can be more easily controlled than in the known process. Another advantage is that it is more easy, with the process of the present invention, to combine the delustring with improvement in the properties of the textile materials, such as improved resistance to creasing, consequent upon the formation of resinous condensation product within the fibres. Moreover, the present invention does not involve the use of strong acids whose detrimental effects on textile materials are well known.
  • This disadvantage can be reduced by using a selected metal which is not removed by sequestering agents likely to be applied to the textile material.
  • calcium salts are less suitable than barium salts since calcium is more efiectively sequestered than barium by sodium hexametaphosphate, a compound which is contained in certain commercial detergent preparations.
  • the disadvantage can also be minimised or even avoided by ensuring that the solution contained in the fabric, after deposition of the condensation product in particulate form, still contains resin-forming ingredients and by heating the textile material after drying to a sufiiciently high temperature to form resinous condensation product from such ingredients. By doing this, there may also be conferred upon the fabric the known improvements in properties consequent upon formation of synthetic resin therein, such as improved resistance to creasing.
  • the fabric was then nipped off through a mangle having a water expression of 85% and dried. After drying the fabric was baked at 140 C. for 3 mins. and then immersed in 0.2% sodium perborate solution at 20 C. for 20 mins, to re-oxidise the dyestufi' in the printed areas, washed and immersed for mins. in 4% hydrochloric acid at C. to ensure complete relustring of the printed areas. The fabric was then washed and boiled for 1% hrs. in an aqueous solution of soap, 4% soda ash to remove loose colour and delustrant and subsequently washed in hot water followed by cold water. After drying up, the fabric was seen to have lustrous coloured printed areas on a delustred ground and possessed good crease-resistance on both the lustrous and delustred areas.
  • Example 2 Proa'uction of delustred prints on delustred ground A piece of viscose satin as used in Example 1 was printed with a printing paste having the following composition:
  • the fabric was dried and steamed for 5 mins. at 100 C., dried and padded through an aqueous solution containing 8% sodium dihydrogen phosphate, nipped off through a mangle having a water expression of 110% and again dried.
  • the fabric was then impregnated through an aqueous solution containing 7% lead nitrate and 16% solids content of urea-formaldehyde precondensate of ratio 1.6 molecules of formaldehyde per molecule of urea, nipped off through a mangle having a water expression of 110% and dried.
  • the fabric was then baked for 3 mins. at 140 C. After baking the fabric was immersed in 0.2% sodium perborate solution for 20 mins. at 20 C.
  • Example 3 Provide of lustrous and delustred prints on delustred ground A piece of viscose satin as described in Example 1 was printed in certain areas with a printing paste of the following composition.
  • the fabric was padded through a solution containing 6% sodium dihydrogen phosphate, nipped off through a mangle having a Water expression of and dried. After drying the fabric was impregnated through a solution containing 16% solids content of urea-formaldehyde precondensate of ratio 1.6 formaldehyde molecules to one molecule of urea and 7% of lead nitrate, nipped off, through a mangle having a water expression of 110% and dried. After drying the fabric was baked for 3 mins. at C. and immersed in 0.2% sodium perborate solution for 20 mins. at 20 C. to re-oxidise the dyestuff in the printed areas, washed and immersed for 15 mins.
  • Example 4.Pr0duction of delustred print on lustrous ground A piece of viscose satin as described in Example 1 was printed with a paste of the following composition:
  • the dyestuff was then fixed by passing immediately through an oven containing steam at 95 C. and dried. When dry the fabric was boiled in soap, soda ash solution for 1 hr. to remove loose colour and subsequently washed in hot water followed by cold water. After drying the fabric was found to be crease-resisting and possessed delustred coloured printed areas on lustrous grounds.
  • Example 5 All-over delustre without curing A piece of viscose satin as described in Example 1 was impregnated twice through a solution of 8% sodium dihydrogen phosphate, nipped off through a mangle having a water expression of 85% and dried. The fabric was then impregnated through a solution containing 19% solids content of urea-formaldehyde precondensate of ratio 1.6 molecules of formaldehyde per molecule of urea, 9% lead nitrate and 1% Lissapol N, nipped off through a mangle having a water expression of 85% and dried. The fabric was then washed in an aqueous solution of soap, A% soda ash for 2 mins. at 90 C., and after washing free of soap and soda ash, was dried. The resulting fabric possessed a matt delustred appearance and good crease-resistance.
  • a process for producing a delustre efl ect on a textile material which comprises depositing on the fibres of the textile material an amino-aldehyde condensation product in particulate form derived from a catalytic reaction between two liquors with which the textile material is successively impregnated, the second at least of which liquors is an aqueous liquor, one of said liquors containing, in solution, at least one acid salt of a polybasic acid having a first dissociation constant in water greater than 10- selected from the group consisting of the alkali metal acid salts and the ammonium acid salts of said polybasic acid, and the other of said liquors containing, in solution, a metal salt of an acid stronger than said polybasic acid, the metal of said metal salt being one of which a less acid salt with said polybasic acid will separate out, on removal of water from an aqueous solution containing, in solution, said acid salt of said polybasic acid and said metal salt of said acid stronger than said polybasic acid, before the acid
  • the metal salt with an acid stronger than said polybasic acid is a salt of a metal selected from the group consisting of barium, calcium, strontium, magnesium, lithium, zinc, copper, manganese, cadmium, lead and the cation U0 3.
  • a process for producing a delustre effect on a textile material which comprises depositing on the fibres of the textile material an amino-aldehyde condensation product in particulate form derived from a catalytic reaction between two aqueous liquors with which the textile material is successively impregnated, one of said aqueous liquors containing, in solution, at least one dihydrogen salt of orthophosphoric acid selected from the group consisting of the alkali metal dihydrogen orthophosphates and ammonium dihydrogen orthophosphate, and the other of said aqueous liquors containing, in solution, a metal salt of an acid stronger than orthophosphoric acid, the metal of said metal salt being one whose monohydrogen orthophosphate will separate out, on removal of water from an aqueous solution containing, in solution, said dihydrogen salt of orthophosphoric acid, together with said salt of said acid stronger than orthophosphoric acid, before the dihydrogen orthophos phate of said metal, the concentration of said dihydrogen salt of orthophosphoric acid and of said
  • a process as claimed in claim 3 in which the metal salt with an acid stronger than orthophosphoric acid is magnesium chloride.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
US581324A 1955-04-30 1956-04-30 Process for delustring textile materials Expired - Lifetime US2962392A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3329661A (en) * 1964-12-01 1967-07-04 Minnesota Mining & Mfg Compositions and treated articles thereof
CN109130234A (zh) * 2018-07-20 2019-01-04 中国航空工业集团公司基础技术研究院 一种半层热固性树脂基复合材料结构的制备方法

Citations (10)

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Publication number Priority date Publication date Assignee Title
US152182A (en) * 1874-06-16 Improvement in springs for bed-bottoms
US2217114A (en) * 1938-07-09 1940-10-08 Cilander Ag Method of producing pattern effects on fabrics
US2305006A (en) * 1939-02-08 1942-12-15 Robert S Holt Method of delustering textile material and resulting product
US2416988A (en) * 1935-09-12 1947-03-04 Tootal Broadhurst Lee Co Ltd Delustring and weighting textile materials
US2424284A (en) * 1943-02-22 1947-07-22 British Celanese Fixation of finely divided substances
US2484481A (en) * 1946-11-26 1949-10-11 Du Pont Latent catalysts for acid-curing aldehyde reaction products capable of forming resins under acidic conditions
US2653921A (en) * 1949-07-25 1953-09-29 Ciba Ltd Catalysts for the hardening of artificial resins and their use in the textile industry
US2684346A (en) * 1950-07-29 1954-07-20 Monsanto Chemicals Latent curing catalysts and compositions containing same
US2762719A (en) * 1949-08-03 1956-09-11 Bayer Ag Textile printing pastes and method of applying
US2930106A (en) * 1957-03-14 1960-03-29 American Felt Co Gaskets

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US152182A (en) * 1874-06-16 Improvement in springs for bed-bottoms
US2416988A (en) * 1935-09-12 1947-03-04 Tootal Broadhurst Lee Co Ltd Delustring and weighting textile materials
US2217114A (en) * 1938-07-09 1940-10-08 Cilander Ag Method of producing pattern effects on fabrics
US2305006A (en) * 1939-02-08 1942-12-15 Robert S Holt Method of delustering textile material and resulting product
US2424284A (en) * 1943-02-22 1947-07-22 British Celanese Fixation of finely divided substances
US2484481A (en) * 1946-11-26 1949-10-11 Du Pont Latent catalysts for acid-curing aldehyde reaction products capable of forming resins under acidic conditions
US2653921A (en) * 1949-07-25 1953-09-29 Ciba Ltd Catalysts for the hardening of artificial resins and their use in the textile industry
US2762719A (en) * 1949-08-03 1956-09-11 Bayer Ag Textile printing pastes and method of applying
US2684346A (en) * 1950-07-29 1954-07-20 Monsanto Chemicals Latent curing catalysts and compositions containing same
US2930106A (en) * 1957-03-14 1960-03-29 American Felt Co Gaskets

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3329661A (en) * 1964-12-01 1967-07-04 Minnesota Mining & Mfg Compositions and treated articles thereof
CN109130234A (zh) * 2018-07-20 2019-01-04 中国航空工业集团公司基础技术研究院 一种半层热固性树脂基复合材料结构的制备方法

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NL100669C (enrdf_load_stackoverflow)
GB827646A (en) 1960-02-10

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