US2063907A - Method of delustering fabric - Google Patents

Method of delustering fabric Download PDF

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Publication number
US2063907A
US2063907A US303602A US30360228A US2063907A US 2063907 A US2063907 A US 2063907A US 303602 A US303602 A US 303602A US 30360228 A US30360228 A US 30360228A US 2063907 A US2063907 A US 2063907A
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United States
Prior art keywords
cellulose
fabric
treated
barium
treating
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.)
Expired - Lifetime
Application number
US303602A
Inventor
Dreyfus Camille
Platt Herbert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Celanese Corp
Original Assignee
Celanese Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to BE363365D priority Critical patent/BE363365A/xx
Priority to BE366315D priority patent/BE366315A/xx
Application filed by Celanese Corp filed Critical Celanese Corp
Priority to US303602A priority patent/US2063907A/en
Priority to FR681060D priority patent/FR681060A/en
Priority to GB26640/29A priority patent/GB318467A/en
Priority to GB3812129A priority patent/GB344093A/en
Priority to FR37813D priority patent/FR37813E/en
Application granted granted Critical
Publication of US2063907A publication Critical patent/US2063907A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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 System
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
    • D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
    • 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
    • D06M11/53—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 hydrogen sulfide or its salts; with polysulfides

Definitions

  • This invention relates to the treatment of textile materials containing organic derivatives of cellulose so as to subdue the luster of the same.
  • An object of our invention is to reduce the luster of textile materials containing organic derivatives of cellulose in such a manner that the deluster effect is comparatively permanent.
  • Another object ofour invention is to deluster textile materials containing organic derivatives of cellulose by precipitating an opaque and insoluble salt in the textile material.
  • a textile material containing organic derivatives of cellulose with a solution of a salt of a metal that produces a white and opaque salt, which is itself a swelling agent for the organic derivatives of cellulose, or in the presence of a foreign swelling agent, and then treat the same with a solution that is adapted to precipitate the metal in the form of an opaque and white salt.
  • the textfle material to be treated in accordance with our invention may be in the form of yarns in a suitable package such as in hanks, on bobbins, etc.
  • a fabric containing yarns of such organic derivatives of cellulose may contain any organic derivatives of cellulose such as cellulose esters and cellulose ethers.
  • cellulose esters are cellulose acetate, cellulose formate, cellulose propionate and cellulose butyrate
  • examples of cellulose ethers are ethyl cellulose, methyl cellulose and benzy cellulose.
  • the fabric need not consist wholly of yarns of such organic derivatives but may also contain yarns of other material such as cotton, silk, wool, etc.
  • solutions of salts of the alkaline earth metals such as barium, calcium or strontium produce satisfactory results.
  • the solutions of such salts may be of themselves swelling agents. Examples of such salts are the sulfocyanides of barium or other alkaline earth metal.
  • salts of such metals such as the chloride or chlorate of barium may be employed, which of themselves are not swelling agents.
  • the treat- 10 ing bath may also contain a swelling agent such as formic acid, acetic acid, acetone, etc.
  • the textile material may be first treated with a bath containing these swelling agents and then with a bath containing the salts of the 15 alkaline earth metals.
  • the textile material is then treated with a solution that is adapted to precipitate the metal in the form of an 20 opaque and white salt.
  • Suitable reagents for this purpose are aqueous solutions of sulphuric acid, phosphoric acid or the soluble salts of these acids such as the sulphates or phosphates of sodium, potassium, or ammonium.
  • the textile materials produced by our invention have a subdued luster varying from complete deluster to partial deluster depending on the concentration and time of treatment, and this deluster effect is permanent. Fabrics when treated by our invention may be ironed while damp or subjected to dry'steam or other relustering agent without becoming relustered.
  • the textile material to be treated by our invention may be partially saponified and particularly intensely surface saponified.
  • This partial saponification step may be carried out on the textile material either prior to the delustering treatment or subsequent thereto.
  • the fabrics when treated in accordance with our invention have an afiinity for organic derivatives of cellulose dyestuffs and basic dyestuffs, and also have an increased aifinity for direct cotton colors and for acid colors.
  • Example I A fabric consisting solely of yarns of cellulose acetate is treated for one hour at 70 C. in a 25 'Ifw. solution of barium thiocyanate. It is then treated for 20 minutes in the cold in a 1% solution of sulphuric acid, after which it is rinsed and dried. The fabric so treated is quite well delustered, which luster is not appreciably affected by ironing or washing.
  • Example II A fabric consisting wholly of cellulose acetate is first treated for one hour at 50 C. in an aqueous solution containing 20% of formic acid, which acts as a swelling agent. It is then treated for one hour at 70 C. in a solution of barium chloride and is then treated for 20 minutes in the cold in a 1% aqueous solution of phosphoric acid and is then rinsed and dried.
  • the fabric is satisfactory delustered and is not appreciably relustered by ironing, either wet or dry or by washing.
  • the fabric resulting from the treatments of the foregoing examples contains filaments wherein the barium compound, which is a pigment-like inorganic material, occurs as small particles subnierged in and widely distributed throughout the mass of the filaments and the quantity and distribution of the particles is such as not to materially impair the continuity of the mass of the filaments. Moreover the amount of barium compound that becomes incorporated in the filaments is a small percentage of the mass of the filaments.
  • Such barium compounds are inert to the action of chemicals used in the manufacture, dyeing and bleaching of the filaments or fabrics.
  • Method of treating fabric containing yarns of organic derivatives of cellulose comprising treating such fabric with a solution of barium sulphocyanide and then treating the fabric with a solution containing sulphate ions, whereby barium sulphate is precipitated within the fibres of such yarn.
  • Method of treating fabric containing yarns of cellulose acetate comprising treating such fabric with a solution of barium sulphocyanide and then treating the fabric with a solution containing sulphate ions, whereby barium sulphate is precipitated within the fibres of such yarn.
  • Method of treating fabric containing yarns of organic derivatives of cellulose comprising treating such fabric with a solution of an alkaline earth metal sulphocyanide which is a swelling agent for the derivative of cellulose and then treating the fabric with a solution containing ions selected from the group consisting of sulphate and phosphate ions, whereby an insoluble alkaline earth metal compound is precipitated within the fibres of such yarn.
  • Method of treating fabric containing yarns of cellulose acetate comprising treating such fabric with a solution of an alkaline earth metal sulphocyanide which is a swelling agent for the cellulose acetate and then treating the fabric with a solution containing ions selected from the group consisting of sulphate and phosphate ions, where-

Description

Patented Dec. 15, 1936 UNITED STATES PATENT OFFICE METHOD OF DELUSTERING FABRIC ware No Drawing. Application September 1, 1928, Serial No. 303,602
4 Claims.
This invention relates to the treatment of textile materials containing organic derivatives of cellulose so as to subdue the luster of the same.
An object of our invention is to reduce the luster of textile materials containing organic derivatives of cellulose in such a manner that the deluster effect is comparatively permanent.
Another object ofour invention is to deluster textile materials containing organic derivatives of cellulose by precipitating an opaque and insoluble salt in the textile material. Qther ob jects of our invention will appear from the following detailed description.
Heretofore textile materials containing organic derivatives of cellulose, such as cellulose acetate, have been delustered by boiling water, wet steam or aqueous solutions of various reagents. ever, the delustering effect produced by such processes is not permanent and such delustered fabrics regain all or part of their luster when they are ironed while damp or subjected to dry steam or other agencies. ency to reluster is a serious drawback.
We have found that a practically permanent subdued luster may be imparted to an organic derivative of cellulose material by precipitating an opaque insoluble salt throughout and within the fibres of the yarn of the organic ester of cellulose.
In accordance with our invention, we treat, a textile material containing organic derivatives of cellulose with a solution of a salt of a metal that produces a white and opaque salt, which is itself a swelling agent for the organic derivatives of cellulose, or in the presence of a foreign swelling agent, and then treat the same with a solution that is adapted to precipitate the metal in the form of an opaque and white salt.
The textfle material to be treated in accordance with our invention may be in the form of yarns in a suitable package such as in hanks, on bobbins, etc. However, we prefer to treat a fabric containing yarns of such organic derivatives of cellulose. The fabric may contain any organic derivatives of cellulose such as cellulose esters and cellulose ethers. Examples of cellulose esters are cellulose acetate, cellulose formate, cellulose propionate and cellulose butyrate, while examples of cellulose ethers are ethyl cellulose, methyl cellulose and benzy cellulose. The fabric need not consist wholly of yarns of such organic derivatives but may also contain yarns of other material such as cotton, silk, wool, etc.
HOW-
Obviously this tend- We have found that solutions of salts of the alkaline earth metals such as barium, calcium or strontium produce satisfactory results. The solutions of such salts may be of themselves swelling agents. Examples of such salts are the sulfocyanides of barium or other alkaline earth metal. On the other, hand, salts of such metals such as the chloride or chlorate of barium may be employed, which of themselves are not swelling agents. In this case the treat- 10 ing bath may also contain a swelling agent such as formic acid, acetic acid, acetone, etc. If desired, the textile material may be first treated with a bath containing these swelling agents and then with a bath containing the salts of the 15 alkaline earth metals.
'After treatment with the solutions of the alkaline earth metals, the textile material is then treated with a solution that is adapted to precipitate the metal in the form of an 20 opaque and white salt. Suitable reagents for this purpose are aqueous solutions of sulphuric acid, phosphoric acid or the soluble salts of these acids such as the sulphates or phosphates of sodium, potassium, or ammonium. By treating d of the material in such baths, the sulphates or phosphatesv of barium, strontium or calcium are formed.
Because of the action of the swelling agent, the salts permeate throughout the fibres and are generally retained therein so that when they are precipitated as insoluble salts they will not wash out. The textile materials produced by our invention have a subdued luster varying from complete deluster to partial deluster depending on the concentration and time of treatment, and this deluster effect is permanent. Fabrics when treated by our invention may be ironed while damp or subjected to dry'steam or other relustering agent without becoming relustered.
To obtain further desirable effects, the textile material to be treated by our invention may be partially saponified and particularly intensely surface saponified. By this is meant. treat-' ment with alkaline solutions in such concentrations and in such manner that only the outer layers of the fibres of cellulose ester material isysaponified, while the inner core is preferably unaffected so that the safe ironing point is ma.- terially increased. This partial saponification stepmay be carried out on the textile material either prior to the delustering treatment or subsequent thereto.
The fabrics when treated in accordance with our invention have an afiinity for organic derivatives of cellulose dyestuffs and basic dyestuffs, and also have an increased aifinity for direct cotton colors and for acid colors.
In order further to illustrate our invention, the following specific examples are given.
Example I A fabric consisting solely of yarns of cellulose acetate is treated for one hour at 70 C. in a 25 'Ifw. solution of barium thiocyanate. It is then treated for 20 minutes in the cold in a 1% solution of sulphuric acid, after which it is rinsed and dried. The fabric so treated is quite well delustered, which luster is not appreciably affected by ironing or washing.
Example II A fabric consisting wholly of cellulose acetate is first treated for one hour at 50 C. in an aqueous solution containing 20% of formic acid, which acts as a swelling agent. It is then treated for one hour at 70 C. in a solution of barium chloride and is then treated for 20 minutes in the cold in a 1% aqueous solution of phosphoric acid and is then rinsed and dried. The fabric is satisfactory delustered and is not appreciably relustered by ironing, either wet or dry or by washing.
The fabric resulting from the treatments of the foregoing examples contains filaments wherein the barium compound, which is a pigment-like inorganic material, occurs as small particles subnierged in and widely distributed throughout the mass of the filaments and the quantity and distribution of the particles is such as not to materially impair the continuity of the mass of the filaments. Moreover the amount of barium compound that becomes incorporated in the filaments is a small percentage of the mass of the filaments. Such barium compounds are inert to the action of chemicals used in the manufacture, dyeing and bleaching of the filaments or fabrics.
We are well aware of the fact that textile materials containing organic derivatives of cellulose, such as cellulose acetate, have been previously treated with salts of tin and the like for the purpose of weighting the same. Our invention is quite different from this weighting process, since the materials used for weighting are employed for a different purpose and therefore the weighted material has substantially the same luster as the original material, while the weight of the same is materially increased, whereas in our process the luster of the textile material is substantially subdued and the weight thereof is but slightly increased.
It is to be understood that the foregoing detailed description is given merely by way of illustration and that many variations may be made therein without departing from the spirit of this invention.
Having described our invention what we claim and desire to secure by Letters Patent is:
1. Method of treating fabric containing yarns of organic derivatives of cellulose comprising treating such fabric with a solution of barium sulphocyanide and then treating the fabric with a solution containing sulphate ions, whereby barium sulphate is precipitated within the fibres of such yarn.
2. Method of treating fabric containing yarns of cellulose acetate comprising treating such fabric with a solution of barium sulphocyanide and then treating the fabric with a solution containing sulphate ions, whereby barium sulphate is precipitated within the fibres of such yarn.
3. Method of treating fabric containing yarns of organic derivatives of cellulose comprising treating such fabric with a solution of an alkaline earth metal sulphocyanide which is a swelling agent for the derivative of cellulose and then treating the fabric with a solution containing ions selected from the group consisting of sulphate and phosphate ions, whereby an insoluble alkaline earth metal compound is precipitated within the fibres of such yarn.
4. Method of treating fabric containing yarns of cellulose acetate comprising treating such fabric with a solution of an alkaline earth metal sulphocyanide which is a swelling agent for the cellulose acetate and then treating the fabric with a solution containing ions selected from the group consisting of sulphate and phosphate ions, where-
US303602A 1928-09-01 1928-09-01 Method of delustering fabric Expired - Lifetime US2063907A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BE363365D BE363365A (en) 1928-09-01
BE366315D BE366315A (en) 1928-09-01
US303602A US2063907A (en) 1928-09-01 1928-09-01 Method of delustering fabric
FR681060D FR681060A (en) 1928-09-01 1929-08-31 Improvements in the treatment of artificial materials
GB26640/29A GB318467A (en) 1928-09-01 1929-09-02 Improvements in the treatment of materials made of or containing organic derivatives of cellulose
GB3812129A GB344093A (en) 1928-09-01 1929-12-12 Improvements in the manufacture of materials made of or containing organic derivatives of cellulose
FR37813D FR37813E (en) 1928-09-01 1929-12-17 Improvements in the treatment of artificial materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US303602A US2063907A (en) 1928-09-01 1928-09-01 Method of delustering fabric

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US2063907A true US2063907A (en) 1936-12-15

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US303602A Expired - Lifetime US2063907A (en) 1928-09-01 1928-09-01 Method of delustering fabric

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US (1) US2063907A (en)
BE (1) BE363365A (en)
FR (1) FR681060A (en)
GB (1) GB318467A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2966428A (en) * 1956-04-05 1960-12-27 Celanese Corp Heat stable saponified cellulose ester filamentary material and process of making

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2966428A (en) * 1956-04-05 1960-12-27 Celanese Corp Heat stable saponified cellulose ester filamentary material and process of making

Also Published As

Publication number Publication date
GB318467A (en) 1931-01-02
FR681060A (en) 1930-05-09
BE363365A (en)

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