Back to results
US 12,753,312 B2Granted
Silicone emulsion composition and fiber treatment agent
AssigneeShin-Etsu Chemical Co., Ltd.
InventorYuta Hamajima
Life of this patent
Estimating the term…
Abstract
A silicone emulsion composition with which the treated fiber surface exhibits flexibility and high water absorption and the treated fibers can maintain water absorption even after washing treatment that contains: (A) an amino-modified silicone, represented by the average composition formula (1), that has a viscosity at 25° C. of 5-50,000 mPa·s and an amino group equivalent of 300-20,000 g/mol: 100 mass parts, (B) a specific polyoxyalkylene group-containing epoxy compound: 10-200 mass parts, (C) a surfactant: 1-70 mass parts, (D) an organic acid: 0.3-15 mass parts, and (E) water: 50 mass parts to 5,000 mass parts.
Claims18
A silicone emulsion composition comprising:
- (A) 100 parts by weight of an amino-modified silicone of the following average empirical formula (1)
- wherein each R1 is independently an unsubstituted monovalent hydrocarbon group of 1 to 20 carbon atoms;
- each R2 is independently a group of general formula (2)
- wherein R4 and R5 are each independently a divalent organic group of 1 to 6 carbon atoms, and f is 0 or 1;
- each R3 is independently a group selected from R1, R2, —OH, —OCH3 or —OC2H5;
- and the subscripts a, b, c, d and e are numbers which satisfy the conditions 2≤a≤10, 5≤b≤800, 0≤c≤50, 0≤d≤5 and 0≤e≤5, with the proviso that if c=0, at least one occurrence of R3 is R2,
- which has a viscosity at 25° C. of from 5 to 50,000 mPa·s and an amino equivalent weight of from 300 to 20,000 g/mol;
- (B) from 10 to 200 parts by weight of a polyoxyalkylene group-containing epoxy compound of formula (2-1) or (2-2) below
- wherein each R6 is independently a divalent organic group, h is a number from 0 to 100, i is a number from 0 to 100, and h+i is a number from 1 to 100;
- (C) from 1 to 70 parts by weight of a surfactant;
- (D) from 0.3 to 15 parts by weight of an organic acid;
- and
- (E) from 50 to 5,000 parts by weight of water.
10 more elements
A silicone emulsion composition consisting of:
- (A) 100 parts by weight of an amino-modified silicone of the following average empirical formula (1)
- wherein each R1 is independently an unsubstituted monovalent hydrocarbon group of 1 to 20 carbon atoms;
- each R2 is independently a group of general formula (2)
- wherein R4 and R5 are each independently a divalent organic group of 1 to 6 carbon atoms, and f is 0 or 1;
- each R3 is independently a group selected from R1, R2,—OH,—OCH3 or —OC2H5;
- and the subscripts a, b, c, d and e are numbers which satisfy the conditions 2≤a≤10, 5≤b≤800, 0≤c≤50, 0≤d≤5 and 0≤e≤5, with the proviso that if c=0, at least one occurrence of R3 is R2,
- which has a viscosity at 25° C. of from 5 to 50,000 mPa·s and an amino equivalent weight of from 300 to 20,000 g/mol;
- (B) from 10 to 200 parts by weight of a polyoxyalkylene group-containing epoxy compound of formula (2-1) or (2-2) below
- wherein each R6 is independently a divalent organic group, h is a number from 0 to 100, i is a number from 0 to 100, and h+i is a number from 1 to 100;
- (C) from 1 to 70 parts by weight of a surfactant;
- (D) from 0.3 to 15 parts by weight of an organic acid;
- and
- (E) from 50 to 5,000 parts by weight of water, and optionally further consisting of one or more of:
- (F) from 1 to 50 parts by weight of a polyether-modified silicone of formula (4) below
- wherein each R11 is independently a phenyl group, an alkyl group of 1 to 6 carbon atoms, an alkoxy group of 1 to 6 carbon atoms or a hydroxyl group;
- each R12 is independently a monovalent organic group of the formula —C1 H2l(C2H4O )m(C3H6O)nR14;
- each R13 is independently R11 or R12;
- R14 is a hydrogen atom, an alkyl group of 1 to 6 carbon atoms or an acetyl group;
- j is a number from 0 to 100, k is a number from 0 to 100, j+k is a number from 0 to 200, 1 is a number from 2 to 5, m is a number from 1 to 40 and n is a number from 0 to 40, with the proviso that if k=0, at least one occurrence of R13 is R12,
- thickeners, pigments, dyes, penetrants, antistatic agents, antifoaming agents, flame retardants, antimicrobial agents, preservatives, water repellents, crosslinking agents, adhesion promoters, other silicone oils, silicone resins, acrylic resins and urethane resins.
17 more elements
Dependencies are inferred from the claim text.