Silicone compositions for treating wool materials
AssigneeCiba Specialty Chemicals Corporation
InventorsSimpert Lüdemann, Harald Chrobaczek, Theodor Angele, Jürgen Riedmann
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Abstract
Compositions are described with organopolysiloxanes which contain crosslinked units and are further crosslinkable. The compositions further contain reaction products of diepoxides and diamines. They are useful for treating fiber materials, especially textile sheet materials, and can be applied thereto in the form of aqueous solutions or dispersions. Textiles which are 50 to 100% by weight wool and have been finished with the compositions exhibit low shrinkage and low felting tendency during washing operations.
Claims19
A composition comprising at least the following components A and B:
- A) an organopolysiloxane whose terminal groups are of the formula (I)
- X3Si—O— (I)
- and which in the polysiloxane chain contains units of the formula (II) and units of the formula (III)
- —SiR2—O— (II)
- —SiR(OR′)—O— (III)
- where all the R radicals are each independently a phenyl radical or an alkyl radical of 1 to 4 carbon atoms,
- all the X radicals are independently R or OH or OR subject to the proviso that at least one of all the X radicals present is OH or OR,
- R′ is [Parenopenst]SiRR″O[Parenclosest]mSiX3
- all the R″ radicals are independently R or —[Parenopenst]SiR2O[Parenclosest]nSiX3, and m and n are each from 0 to 200,
- B) a reaction product of a diepoxide and a diamine or a salt of such a reaction product and an acid.
Dependencies are inferred from the claim text.