The invention relates to a straight-oil finishing composition comprising (A) 100 parts by weight of a polydimethylsiloxane oil or liquid paraffin having a viscosity of 3 to 70 mm
2
/s at 25 centigrade temperature; and (B) 0.5 to 100 parts by weight of an organopolysiloxane resin, which contains silanol groups and silicon-bonded alkoxy groups and wherein 20 mole % or more of all siloxane units are siloxane units represented by formula C
3
H
7
SiO
3/2
. This composition is useful for treating fiber yarn.
本发明涉及一种直链油整理组合物,其包括(A)100份重量的聚二甲基
硅氧烷油或粘度为25摄氏度下3至70 mm2/s的液体石蜡;以及(B)0.5至100份重量的有机聚
硅氧烷树脂,其含有
硅醇基和
硅键醚基,并且其中20摩尔%或更多的所有
硅氧烷单元是由C3H7SiO3/2公式表示的
硅氧烷单元。该组合物用于处理纤维纱线。