Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1989-01-17
1990-05-01
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524385, 524588, 524765, 524767, 524837, 524838, 524860, 524869, 525477, C08K 505
Patent
active
049218956
ABSTRACT:
A preparation for finishing textile fibers or products comprising textile fibers is disclosed. The preparation is liquid and contains 0.5 to 80% by weight of a mixture of modified organopolysiloxane A and B in a ratio of A:B by weight of 10:1 to 1:1, with the proviso that organpolysiloxane A is a linear siloxane containing polyether groups and having at least 40 dialkylsiloxy units, to which are linked at least 2 polyether groups, each of which has a molecular weight of 600 to 4,000 and which comprises 40 to 100 mole percent of oxyethylene units, the remainder being oxypropylene units, the ratio of the number of dialkylsiloxy units to the number of polyether groups being greater than or equal to 8. The organopolysiloxane B is a linear siloxane containing quaternary ammonium groups with at least 20 dialkylsiloxy units, to which at least 2 quaternary ammonium groups are linked over carbon atoms, the ratio of the number of dialkylsiloxy units to the number of quaternary ammonium groups being greater than or equal to 10. The remainder of the preparation comprises water or a water miscible solvent.
The preparation improves the handle of the finished fibers or fiber products while, at the same time, hydrophilizing them. This improvement in handle is also achieved with firmly twisted, open-end yarns. The finished fibers or fiber products can be redyed or overdyed without difficulty. They have good antielectrostatic properties.
REFERENCES:
patent: 3389160 (1968-06-01), Reid
patent: 4323488 (1982-04-01), Takago et al.
patent: 4698406 (1987-10-01), Lo et al.
"Textilveredlung" 20 (1985), pp. 8-12.
Nickel Friedhelm
Schaefer Dietmar
Marquis Melvyn I.
Th. Goldschmidt Ag
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