US1440501A - esajtce - Google Patents

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Publication number
US1440501A
US1440501A US1440501DA US1440501A US 1440501 A US1440501 A US 1440501A US 1440501D A US1440501D A US 1440501DA US 1440501 A US1440501 A US 1440501A
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United States
Prior art keywords
cellulose acetate
dyeing
articles
sodium
phosphate
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/673—Inorganic compounds
    • D06P1/67333—Salts or hydroxides
    • D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
    • D06P1/67366—Phosphates or polyphosphates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/673—Inorganic compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/916—Natural fiber dyeing
    • Y10S8/918—Cellulose textile

Definitions

  • the cellulose acetate artificial silk is slowly agitated for a hour to one hour in a bath containing per litre 525 grammes of crystallized phosphate (dibasic) of sodium, and 5 0. cm. of caustic soda solution 36 Baum.
  • the bath is maintained between and 70 C. during the whole duration of the operation.
  • the silk is then thoroughly washed and dried, the loss of weight being 6 per cent.
  • the process can be applied to pure cellulose acetate fabrics or to mixed fabrics such as cellulose actate silk and natural silk, or cellulose acetate silk and wool.
  • the process which is the object of this invention may be combined with the dyeing itself so that the whole operation takes place in a single bath.
  • the cellulose acetate treated with tribasic phosphate can also be mordanted with tannin and tartar emetic (double tartrate of antimony and potassium) before being placed into the dyeing bath.
  • a process for preparing cellulose consisting in treating the cellulose acetate articles with a tribasic phosphate of sodium solution.
  • a process for preparing cellulose acetate for dyeing consisting in treating cellulose acetate articles with a solution of tribasic phosphate of sodium produced in the bath itself.
  • a process for preparing cellulose ace tate for dyeing consisting in treating the cellulose acetate articles with a solution of tri-basic phosphate of sodium produced in the bath itself by the reaction or" crystallized di-basic phosphate of sodium on caustic soda.
  • a process for preparing cellulose acetate for dyeing consisting in treating the cellulose acetate articles in a bath containing per litre 525 grammes of crystallized dibasic phosphate of sodium and 5 c. cm. 0;? caustic soda solution 36 Baum.
  • a process for preparing cellulose acctate for dyeing consisting in treating the cellulose acetate articles in a bath containing per litre 25 grammes of crystallized (dibasic) phosphate of sodium and 5 0. cm. of caustic soda solution 36 Baum the bath being maintained at a temperature of 60 to 70 C. during the treatment.
  • a process for preparing; cellulose acetate for dyeing consisting in slowly agitatin the cellulose acetate articles for to one hour in a bath containing per litre 25 grammes of crystallized (dibasic) phosphate of sodium and 5 0. cm. of caustic soda solution 36 Baum, the bath being maintained at a temperature 01" 60 to 70 C. during the treatment.

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coloring (AREA)

Description

Patented Jan. 2, 1923.
UNITED STATES PATENT QFFICE.
EDOUARD PAUL SISLEY, OF LYON, FRANCE, ASSIGNOR T9 SOCIETE CHIMIQUE DES USINES DU REZONE, 9F PARIS, FRANCE.
PROCESS FOR DYEING- C ELLULOSE ACETATE.
N 0 Drawing.
To all whom it may concern:
Be it known that T, Eoouann PAUL Sis- LEY, residing at Lyon, France, a citizen of the Republic of France, have invented certain new and useful Improvements in Processes for Dyeing Cellulose Acetate.
Acetate of cellulose not being permea le to water it is difficult to dye threads, iilms or other articles made with this material bythe usual processes as the dyeings ol tained are light and badly united.
I have discovered that articles made with cellulose acetate can be adapted. to he dyed by treating them in a bath of triphosphate of sodium.
Example.
The cellulose acetate artificial silk is slowly agitated for a hour to one hour in a bath containing per litre 525 grammes of crystallized phosphate (dibasic) of sodium, and 5 0. cm. of caustic soda solution 36 Baum. The bath is maintained between and 70 C. during the whole duration of the operation.
The silk is then thoroughly washed and dried, the loss of weight being 6 per cent.
The process can be applied to pure cellulose acetate fabrics or to mixed fabrics such as cellulose actate silk and natural silk, or cellulose acetate silk and wool.
The process which is the object of this invention may be combined with the dyeing itself so that the whole operation takes place in a single bath.
The cellulose acetate treated with tribasic phosphate can also be mordanted with tannin and tartar emetic (double tartrate of antimony and potassium) before being placed into the dyeing bath.
What I claim and desire to secure by Letters Patent is 1. A process for preparing cellulose: acetate for dyeing consisting in treating the cellulose acetate articles with a tribasic phosphate of sodium solution.
2. A process for preparing cellulose acetate for dyeing, consisting in treating cellulose acetate articles with a solution of tribasic phosphate of sodium produced in the bath itself.
Application filed September 20, 1921. Serial No. 502,047.
3. A process for preparing cellulose ace tate for dyeing, consisting in treating the cellulose acetate articles with a solution of tri-basic phosphate of sodium produced in the bath itself by the reaction or" crystallized di-basic phosphate of sodium on caustic soda.
4. A process for preparing cellulose acetate for dyeing, consisting in treating the cellulose acetate articles in a bath containing per litre 525 grammes of crystallized dibasic phosphate of sodium and 5 c. cm. 0;? caustic soda solution 36 Baum.
5. A process for preparing cellulose acctate for dyeing consisting in treating the cellulose acetate articles in a bath containing per litre 25 grammes of crystallized (dibasic) phosphate of sodium and 5 0. cm. of caustic soda solution 36 Baum the bath being maintained at a temperature of 60 to 70 C. during the treatment.
6. A process for preparing; cellulose acetate for dyeing, consisting in slowly agitatin the cellulose acetate articles for to one hour in a bath containing per litre 25 grammes of crystallized (dibasic) phosphate of sodium and 5 0. cm. of caustic soda solution 36 Baum, the bath being maintained at a temperature 01" 60 to 70 C. during the treatment.
7. The process of dyeing cellulose acetate articles, which consists in treating the articles with a tribasic phosphate of sodium solution to which the dye has been added.
8. The process for preparing cellulose acetate for dyeing which consists in treating cellulose acetate articles with a solution of sodium phosphate.
9. The process for preparing cellulose'acetate for dyeing which consists in treating cellulose acetate articles with a solution of sodium phosphate in the presence of caustic soda.
10. The process of dyeingcellulose acetate articles which consists in treating the said articles with a solution of sodium phosphate and caustic soda to which a dye has been added.
In testimony whereof I have signed my name to this specification.
EDOUARD PAUL SISLEY.
US1440501D 1921-07-27 esajtce Expired - Lifetime US1440501A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR385943X 1921-07-27

Publications (1)

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US1440501A true US1440501A (en) 1923-01-02

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US1440501D Expired - Lifetime US1440501A (en) 1921-07-27 esajtce

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DE (1) DE385943C (en)

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DE385943C (en) 1923-11-27

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