ES291029A1 - A procedure for leather treatment (Machine-translation by Google Translate, not legally binding) - Google Patents

A procedure for leather treatment (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES291029A1
ES291029A1 ES291029A ES291029A ES291029A1 ES 291029 A1 ES291029 A1 ES 291029A1 ES 291029 A ES291029 A ES 291029A ES 291029 A ES291029 A ES 291029A ES 291029 A1 ES291029 A1 ES 291029A1
Authority
ES
Spain
Prior art keywords
leather
polymer
corium
treating
translation
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
Application number
ES291029A
Other languages
Spanish (es)
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.)
Rohm and Haas Co
Original Assignee
Rohm and Haas Co
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
Application filed by Rohm and Haas Co filed Critical Rohm and Haas Co
Publication of ES291029A1 publication Critical patent/ES291029A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/4935—Impregnated naturally solid product [e.g., leather, stone, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Abstract

A method for treating leather characterized by applying to a fully tanned leather and treated with a fatty liquid and in a dry state, on one side only an aqueous dispersion having a pH of 2 to 6.5 and containing at least 5% in weight approximately but not more than 20% by weight of a water insoluble linear addition polymer of unsaturated molecules and 0.5 to 8% by weight of a surfactant, the polymer having a second order apparent transition temperature not higher at 38º C and the dispersed polymer particles having a surface medium between 250 and 1,300 angstroms, the condition that the impregnation is effected (1) to distribute at least about 90% of the polymer through at least 15% of the polymer. % but not more than about 40% of the thickness of the leather when treating only one side of a split leather or the flesh side of any leather, or (2) to penetrate through the corium my nor and deposit polymer until the action of the corium minor with the corium major when treating only next to the grain of a leather. (Machine-translation by Google Translate, not legally binding)
ES291029A 1962-09-05 1963-08-23 A procedure for leather treatment (Machine-translation by Google Translate, not legally binding) Expired ES291029A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22143962 US3269858A (en) 1962-09-05 1962-09-05 Process for treating leather

Publications (1)

Publication Number Publication Date
ES291029A1 true ES291029A1 (en) 1963-12-16

Family

ID=22827839

Family Applications (1)

Application Number Title Priority Date Filing Date
ES291029A Expired ES291029A1 (en) 1962-09-05 1963-08-23 A procedure for leather treatment (Machine-translation by Google Translate, not legally binding)

Country Status (3)

Country Link
US (1) US3269858A (en)
ES (1) ES291029A1 (en)
GB (1) GB994730A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3408221A (en) * 1964-11-23 1968-10-29 United Shoe Machinery Corp Finished leather and methods of making the same
US3425075A (en) * 1965-06-24 1969-02-04 Alan E Murray Method of making leather footwear
JPS50136315A (en) * 1974-04-17 1975-10-29
DE2843780A1 (en) * 1978-10-06 1980-04-17 Bayer Ag POLYMER DISPERSIONS FOR TREATING LEATHER
DE2917376A1 (en) * 1979-04-28 1980-11-13 Roehm Gmbh ENZYMATIC PROCESS FOR HAIR PREPARATION AND SIMULTANEOUS DIGESTION
BR0300234B8 (en) * 2002-03-05 2013-02-19 oligomeric composition, method for improving the properties of tanned leather, and, article.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3103447A (en) * 1963-09-10 Leather and method for producing it
US2126321A (en) * 1933-08-28 1938-08-09 Freudenberg & Co G M B H Process for finishing leather articles
US2204520A (en) * 1937-01-06 1940-06-11 Rohm & Haas Leather finishing
US2744836A (en) * 1951-07-11 1956-05-08 Basf Ag Process for coating leather
US2828222A (en) * 1955-03-21 1958-03-25 Rohm & Haas Method of coating leather with polymers containing units of acrylyl or methacrylyl dicyandiamide and the resulting article
US2828220A (en) * 1955-03-21 1958-03-25 Rohm & Haas Method of coating leather with polymers containing hydroxyl groups and the resulting article
US2865877A (en) * 1955-09-26 1958-12-23 Rohm & Haas Coating compositions comprising aqueous dispersions of polymer salts and alkylphenolethylene oxide condensates and articles coated therewith
US2923646A (en) * 1957-12-12 1960-02-02 Rohm & Haas Release-coatings, film- and sheetcasting bases for substrates
US3048496A (en) * 1959-12-09 1962-08-07 Rohm & Haas Finished leathers having coatings of a polymer of 55-80 percent vinylidene chloride and 20-45 percent (c-c4)-alkyl acrylate, and production thereof

Also Published As

Publication number Publication date
GB994730A (en) 1965-06-10
US3269858A (en) 1966-08-30

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