US1130619A - Process for producing leather substitutes. - Google Patents

Process for producing leather substitutes. Download PDF

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Publication number
US1130619A
US1130619A US67008012A US1912670080A US1130619A US 1130619 A US1130619 A US 1130619A US 67008012 A US67008012 A US 67008012A US 1912670080 A US1912670080 A US 1912670080A US 1130619 A US1130619 A US 1130619A
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United States
Prior art keywords
coating
web
leather
solution
calendered
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Expired - Lifetime
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US67008012A
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Richard Alexander Mclaurin
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Individual
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Individual
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Priority to US67008012A priority Critical patent/US1130619A/en
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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
    • D06P1/0004—General aspects of dyeing

Definitions

  • This invention has reference to and comprises ti-mp1 ovements v ,inf substitutes for leather and' process of preparing same, said substitutes being suitable for use in the up holstery, fancy. leather and bookbinding trades and for many other purposes in place of leather, leatherette, cloth paper or like materials, where" such are presently employed, being both durable and waterproof and having the appearance and qualities-of realleather.
  • the material which is employed as the foundation of this substitute for leather is that material'called vellum cloth or any similar material of a closely felted fibrous nature but not woven, in which the fibers are firmly bound together and intermixed,
  • the vellum cloth preferably in web form, as possible to the desired shade of the finished article by being run through a bath of anilin or: other dye with a suitable mordant: It is then dried and calen'dered in a cold calender after which it is coated by any.
  • suitable coating machine with one or more coats ofv celluloidornitrocellulosein solution to which some drycoloring matter has been added. After being dried in any suitable manner' it is again calendered the drying and calendering being repeated after each'coating and finally,-if desired, it is l embossed or otherwise treated.
  • the vellum cloth is first d ed, and
  • the process is as foliows:
  • the vellum cloth or like material is first dyed, dried, calendered and then saturated by being coated on both sides in any suitable roller coating machine glue consisting of 112 lbs; glycerin, 144 lbs. glue powder, and 112 lbs. water, to. which is added black pulp lake in quantity sufiicient to impart the desired color.
  • the material is calendered in a cold calender, the calendered side being hereinafter called the face side.
  • the material is now coated on its face side with one or more coatings of celluloid.
  • nitrocellulose in solution prepared preferably by dissolving celluloid chips or shavings in methylated spirits, with a proportion of camphor added, with sufiiciency of dry black color in powder.
  • the material is dried in any After coating and drying suitable manner and calendered on its face side, the coating and calendering being repeated a number of times according to the quality desired.
  • the final coating consists of a pure solution of nitrocellulose material with or without any color.
  • the material is again calendered and if desired embossed with any pattern desired by impressing rollers, plates in a press or in any suitable -manner, or otherwise treated.
  • any desired color may be imparted to the material.

Description

fmcmim annxaunnn MoLAURIN, or GLASGOW, SCOTLAND.
rnoonss on rnonucme LEATHER sunsrrrurns.
No Drawing. d v i To all whom it may concern 'Be it ,thatQIQRroneun ALEX Noun MCLAURIN, paper manufiicturena subject of the King of Great Britain and Ireland, residing at 4 Windsor Quadrant, Kelvinside, Glasgow, Scotland, have invented new and useful Improvements in Processes for Producing Leather Substitutes, of which the following is a specification.
This invention has reference to and comprises ti-mp1 ovements v ,inf substitutes for leather and' process of preparing same, said substitutes being suitable for use in the up holstery, fancy. leather and bookbinding trades and for many other purposes in place of leather, leatherette, cloth paper or like materials, where" such are presently employed, being both durable and waterproof and having the appearance and qualities-of realleather. The material which is employed as the foundation of this substitute for leather is that material'called vellum cloth or any similar material of a closely felted fibrous nature but not woven, in which the fibers are firmly bound together and intermixed,
with a suitable binding material.
In carrying this invention. into effect or practice, the vellum cloth, preferably in web form, as possible to the desired shade of the finished article by being run through a bath of anilin or: other dye with a suitable mordant: It is then dried and calen'dered in a cold calender after which it is coated by any.
suitable coating machine with one or more coats ofv celluloidornitrocellulosein solution to which some drycoloring matter has been added. After being dried in any suitable manner' it is again calendered the drying and calendering being repeated after each'coating and finally,-if desired, it is l embossed or otherwise treated.
To chea en the process by reducing the amount 0 celluloid absorbed by the material, the vellum cloth is first d ed, and
after being dried, has two coats 0 flexible glue to which coloring matter has been added applied to it, one onea'ch side, after Specification of {Letters Patent. Application filed Jan ary @1912. Serial No. erobso.
f witha solution of flexible is first dyed to a shade as near- Patented Mar. 2, 1915.
which it is dried and calendered thentreated w ith.the celluloid solution as before.
For the production of one quality of leather substitute of a black color the process is as foliows:The vellum cloth or like material is first dyed, dried, calendered and then saturated by being coated on both sides in any suitable roller coating machine glue consisting of 112 lbs; glycerin, 144 lbs. glue powder, and 112 lbs. water, to. which is added black pulp lake in quantity sufiicient to impart the desired color. the material is calendered in a cold calender, the calendered side being hereinafter called the face side. The material is now coated on its face side with one or more coatings of celluloid. or nitrocellulose in solution prepared preferably by dissolving celluloid chips or shavings in methylated spirits, with a proportion of camphor added, with sufiiciency of dry black color in powder. After each coating the material is dried in any After coating and drying suitable manner and calendered on its face side, the coating and calendering being repeated a number of times according to the quality desired. The final coating consists of a pure solution of nitrocellulose material with or without any color. The material is again calendered and if desired embossed with any pattern desired by impressing rollers, plates in a press or in any suitable -manner, or otherwise treated.
Instead of black any desired color may be imparted to the material.
What I claim as my invention and desire to secure by Letters Patent,
1. The process of making a leather substitute, which consists in-dyeing a' web of closely felted fibrous material, coating said web on both faces with a solution of flexible glue, coating. one face of the web with a solution of nitrocellulose and camphor, and finally coating said face with a solution of pure nitrocellulose. 2. The process .of'makin stitute, which consists 'in a leather subyeing a web of closely felted fibrous material, drying and calendering the web, coating both faces of Q 1,130,619 I y the web with a solution of flexible glue, dry- In testimony whereof, I have signed my ra ity of coats of nitrocellulose and cam two subscribing witnesses.
phor to the Web and drying and calendering' RICHARD A, 5 1t after the application of each coat, finally' Witnesses:
coating the web with a solutionof pilre Roam Cmnononu Tnoimsox,
nitrocellulose and calendering the same, Tnom s BERNIE Bnownnm. I
m and calendaring the web, applylng a pluname to this specification, in the presence of
US67008012A 1912-01-08 1912-01-08 Process for producing leather substitutes. Expired - Lifetime US1130619A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US67008012A US1130619A (en) 1912-01-08 1912-01-08 Process for producing leather substitutes.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67008012A US1130619A (en) 1912-01-08 1912-01-08 Process for producing leather substitutes.

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US1130619A true US1130619A (en) 1915-03-02

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US67008012A Expired - Lifetime US1130619A (en) 1912-01-08 1912-01-08 Process for producing leather substitutes.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417383A (en) * 1942-11-25 1947-03-11 Joseph L Switzer Coated fluorescent fabric

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417383A (en) * 1942-11-25 1947-03-11 Joseph L Switzer Coated fluorescent fabric

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