AR039879A1 - Curtiente y agente de conservacion a base de compuestos provenientes de reacciones de dialdehidos - Google Patents

Curtiente y agente de conservacion a base de compuestos provenientes de reacciones de dialdehidos

Info

Publication number
AR039879A1
AR039879A1 ARP030101585A ARP030101585A AR039879A1 AR 039879 A1 AR039879 A1 AR 039879A1 AR P030101585 A ARP030101585 A AR P030101585A AR P030101585 A ARP030101585 A AR P030101585A AR 039879 A1 AR039879 A1 AR 039879A1
Authority
AR
Argentina
Prior art keywords
tanning
formula
procedure
agents
aldehyde
Prior art date
Application number
ARP030101585A
Other languages
English (en)
Inventor
Stephan Hueffer
Gunther Pabst
Tilman Luedecke Taeger
Stefan Schroeder
Gerhard Wolf
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of AR039879A1 publication Critical patent/AR039879A1/es

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
    • C14C3/00Tanning; Compositions for tanning
    • C14C3/02Chemical tanning
    • C14C3/08Chemical tanning by organic agents
    • C14C3/16Chemical tanning by organic agents using aliphatic aldehydes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups

Landscapes

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

Abstract

Curtientes obtenidos por reacción de por lo menos un aldehído de la fórmula general (1), con por lo menos otro aldehído idéntico o diferente de la fórmula (1), en donde las variables tienen las definiciones siguientes: Z significa un enlace químico simple, alquileno C1-12, cicloalquileno C5-12 o arileno C6-14, eventualmente sustituidos, realizándose la reacción en presencia de un catalizador ácido y opcionalmente en presencia de por lo menos otro compuesto carbonilo de la fórmula (2), en donde R1 a R4 significan, independientemente, hidrógeno, alquilo C1-12, cicloalquilo C3-12, aralquilo C7-13 o arilo C6-14, eventualmente sustituidos, siendo preciso, que cuando Z significa un enlace simple o un radical sin átomos de alfa-hidrógeno, esté presente por lo menos otro aldehído de la fórmula (1) en el que el radical Z contenga átomos de alfa-hidrógeno o por lo menos otro compuesto de carbonilo de la fórmula (2). Procedimiento para la obtención de estos curtientes, su uso como agentes de conversación, especialmente, para la precurtición, curtición y recurtición de pieles animales, y un procedimiento para la precurtición, curtición o recurtición de pieles animales mediante dichos curtientes. Sustancia activa pulverulenta, que contiene uno o varios de dichos curtientes, procedimiento para la obtención de esta sustancia activa pulverulenta y uso de la misma como agente de conversación y cueros obtenidos usando los curtientes o aplicando el procedimiento descripto.
ARP030101585A 2002-05-07 2003-05-06 Curtiente y agente de conservacion a base de compuestos provenientes de reacciones de dialdehidos AR039879A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10220493 2002-05-07
DE10231293A DE10231293A1 (de) 2002-05-07 2002-07-10 Gerbmittel und Konservierungsmittel auf der Basis von Dialdehyden

Publications (1)

Publication Number Publication Date
AR039879A1 true AR039879A1 (es) 2005-03-09

Family

ID=29265139

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP030101585A AR039879A1 (es) 2002-05-07 2003-05-06 Curtiente y agente de conservacion a base de compuestos provenientes de reacciones de dialdehidos

Country Status (4)

Country Link
KR (1) KR20050007478A (es)
AR (1) AR039879A1 (es)
AT (1) ATE438743T1 (es)
DE (2) DE10231293A1 (es)

Also Published As

Publication number Publication date
KR20050007478A (ko) 2005-01-18
DE10231293A1 (de) 2003-11-20
ATE438743T1 (de) 2009-08-15
DE50311780D1 (de) 2009-09-17

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