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US 10,370,791 B2Granted
Synthetic fiber finish and application thereof
AssigneeMatsumoto Yushi-Seiyaku Co., Ltd.
InventorsMasato Hotta, Masami Okuzawa
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Abstract
A synthetic fiber finish includes a lubricant (A), a polyhydric alcohol fatty acid ester having at least one hydroxyl group per molecule (B), and an organic sulfonic acid compound (C). The lubricant (A) includes a sulfur-containing ester (A3). The amount of the lubricant (A) ranges from 50 to 90 wt %, the amount of the ester (B) ranges from 1 to 20 wt % and the amount of the sulfur-containing ester (A3) ranges from 5 to 20 wt %, to a nonvolatile component of the finish.
Claims20
A synthetic fiber finish comprising:
- a lubricant (A);
- a polyhydric alcohol fatty acid ester having at least one hydroxyl group per molecule (B);
- and
- an organic sulfonic acid compound (C);
- wherein the lubricant (A) includes a sulfur-containing ester (A3);
- and
- wherein the amount of the lubricant (A) ranges from 50 to 90 wt %, the amount of the ester (B) ranges from 1 to 20 wt % and the amount of the sulfur-containing ester (A3) ranges from 5 to 20 wt %, to a nonvolatile component of the finish.
4 more elements
Dependencies are inferred from the claim text.