LATENT CROSS-LINKING AQUEOUS DISPERSIONS CONTAINING POLYURETHANE

Title:

LATENT CROSS-LINKING AQUEOUS DISPERSIONS CONTAINING POLYURETHANE

Document Type and Number:

WIPO Patent Application WO2000011060

Kind Code:

A3

Abstract:

Latent cross-linking aqueous polyurethane dispersions, containing I) a polyurethane that carries carbodiimide groups in addition to hydrophilic groups resulting in water dispergibility and does not carry any carboxyl groups or Ib) a physical mixture of Ibi) a polyurethane (Ibi) that carries hydrophilic groups resulting in water dispergibility and does not carry any substantial amount of carbodiimide or carboxyl groups and Ibii) a carbodiimide (Ibii) that does not carry any substantial amount of carboxyl groups that result in water dispergibilitiy; II) a coherent aqueous phase (P.II) containing a polycarboxylic acid (II) that does not carry any carbodiimide groups and which has a water-solubility of at least 1g/l at 25 DEG C in a coherent aqueous phase (P.II).

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Inventors:

LICHT ULRIKE (DE)
HAEBERLE KARL (DE)
WISTUBA ECKEHARDT (DE)

Application Number:

PCT/EP1999/005706

Publication Date:

June 08, 2000

Filing Date:

August 06, 1999

Export Citation:

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Assignee:

BASF AG (DE)
LICHT ULRIKE (DE)
HAEBERLE KARL (DE)
WISTUBA ECKEHARDT (DE)

International Classes:

B32B27/40; C08G18/08; C08J5/00; C08G18/10; C08G18/78; C08G18/79; C08L33/02; C08L75/04; C09D5/00; C09D175/04; C09J175/04; (IPC1-7): C08G18/79; C08G18/10

Domestic Patent References:

WO1999006460A1

1999-02-11

Foreign References:

EP0198343A2	1986-10-22
DE2446440A1	1976-04-08
US4113676A	1978-09-12
EP0368375A1	1990-05-16

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