Urethanes containing fluorine and polysiloxane, process for thei

Details Urethanes containing fluorine and polysiloxane, process for thei Urethanes containing fluorine and polysiloxane, process for thei

1988-07-05

1989-10-10

Marquis, Mevlyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

528 27, 528 29, 528 33, 528 38, 556419, 556420, C08G 7704

Patent

active

048733067

ABSTRACT:
The novel urethanes are composed essentially of fluoroalcohol-isocyanate adducts as the fluoro component and a polysiloxane component, the two components being combined in a structurally specific manner. The novel urethanes are prepared by reacting the fluoroalcohol-isocyanate adducts with the polysiloxane in a molar ratio of 1 to 2:1 at a temperature of 30.degree. to 130.degree. C. The novel urethanes are preferably used for finishing textiles, to which they also impart the property of a soft handle in addition to good hydrophobicity and oleophobicity. They are also suitable for finishing leather, skins and wood.

REFERENCES:
patent: 4508916 (1985-04-01), Newell et al.
patent: 4578116 (1986-03-01), Rott et al.
patent: 4668406 (1987-05-01), Chang
patent: 4724248 (1988-02-01), Dexter et al.

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