DE1669346A1 - Verfahren zur narbenverfestigenden Grundierung von Leder - Google Patents

Verfahren zur narbenverfestigenden Grundierung von Leder

Info

Publication number
DE1669346A1
DE1669346A1 DE19671669346 DE1669346A DE1669346A1 DE 1669346 A1 DE1669346 A1 DE 1669346A1 DE 19671669346 DE19671669346 DE 19671669346 DE 1669346 A DE1669346 A DE 1669346A DE 1669346 A1 DE1669346 A1 DE 1669346A1
Authority
DE
Germany
Prior art keywords
leather
polyurethanes
aqueous dispersions
molecular weight
grain
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.)
Withdrawn
Application number
DE19671669346
Other languages
German (de)
English (en)
Inventor
Wolfgang Dr Keberle
Walter Dr Schroeer
Wolfgang Dr Speicher
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of DE1669346A1 publication Critical patent/DE1669346A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C14SKINS; HIDES; PELTS; LEATHER
    • C14CCHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C11/00Surface finishing of leather
    • C14C11/003Surface finishing of leather using macromolecular compounds
    • C14C11/006Surface finishing of leather using macromolecular compounds using polymeric products of isocyanates (or isothiocyanates) with compounds having active hydrogen
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/0804Manufacture of polymers containing ionic or ionogenic groups
    • C08G18/0819Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
DE19671669346 1967-03-25 1967-03-25 Verfahren zur narbenverfestigenden Grundierung von Leder Withdrawn DE1669346A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0051951 1967-03-25

Publications (1)

Publication Number Publication Date
DE1669346A1 true DE1669346A1 (de) 1971-06-03

Family

ID=7105052

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19671669346 Withdrawn DE1669346A1 (de) 1967-03-25 1967-03-25 Verfahren zur narbenverfestigenden Grundierung von Leder

Country Status (2)

Country Link
DE (1) DE1669346A1 (enrdf_load_html_response)
FR (1) FR1557453A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2034479A1 (de) * 1970-07-11 1972-01-13 Bayer Polyurethan Kunststoffe und Verfahren zu ihrer Herstellung
GB1510953A (en) * 1976-02-28 1978-05-17 Bayer Ag Process for priming leather

Also Published As

Publication number Publication date
FR1557453A (enrdf_load_html_response) 1969-02-14

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee