ALDOHEXOSE-BASED FLUOROADDITIVES
Compositions comprising compounds having an aldohexose moiety, a highly fluorinated moiety, and a nitrogen-containing functional group linking the moieties together are disclosed. The aldohexose-based fluoroadditives are effective in reducing the surface tension of water and are useful in various surfactant applications. Also disclosed are processes for making aldohexose-based fluoroadditives.
1 . A composition comprising a compound of formula (II):
R 1 —CH 2 -G 2 (II)
wherein:
R 1 ═C 1 -C 12 alkyl or R f -A-G 3 -B—,
R f ═C 1 -C 12 perfluoroalkyl,
A=C 1 -C 6 alkylene,
B═C 1 -C 6 alkylene, and
G 3 =a bond or S;
G 1 =-CH 2 (CHOH) 4 CH 2 OH or
R 2 ═C 1 -C 12 alkyl or R f -A-G 3 -B—, and
X═Cl, Br, or I;
provided that:
when R 1 ═C 1 -C 12 alkyl, then R 2 ═R f -A-G 3 -B—;
when R 1 ═R f -A-G 3 -B—, then R 2 ═C 1 -C 12 alkyl;
when G 1 =-CH 2 (CHOH) 4 CH 2 OH, then
and G 3 =a bond; and
when
then
and G 3 =S.
2 . A process comprising:
a) reacting an aldohexose with a compound of formula (IV) to yield a compound of formula (V); and
b) reacting a compound of formula (V) with a compound of formula (VI) to yield a compound of formula (II):
R 1 —CH 2 —NH 2 (IV)
R 1 —CH 2 —NH-G 1 (V)
R 2 —X (VI)
R 1 —CH 2 -G 2 (II)
wherein:
R 1 ═C 1 -C 12 alkyl or R f -A-G 3 -B—,
R f ═C 1 -C 12 pertluoroalkyl,
A=C 1 -C 6 alkylene,
B═C 1 -C 6 alkylene, and
G 3 =a bond or S;
G 1 =-CH 2 (CHOH) 4 CH 2 OH or
R 2 ═C 1 -C 12 alkyl or R f -A-G 3 -B—;
X═Cl, Br, or I;
provided that:
when R 1 ═C 1 -C 12 alkyl, then R 2 ═R f -A-G 3 -B—;
when R 1 ═R f -A-G 3 -B—, then R 2 ═C 1 -C 12 alkyl;
when G 1 =-CH 2 (CHOH) 4 CH 2 OH, then
and G 3 =a bond; and
when
then
and G 3 =S.
3 . A method of altering the surface behavior of a medium, comprising adding to the medium an aldohexose-based fluoroadditive selected from the group of compounds of formula (II):
R 1 —CH 2 -G 2 (II)
wherein:
R 1 ═C 1 -C 12 alkyl or R f -A-G 3 -B—,
R f ═C 1 -C 12 pertluoroalkyl,
A=C 1 -C 6 alkylene,
B═C 1 -C 6 alkylene, and
G 3 =a bond or S;
G 1 =-CH 2 (CHOH) 4 CH 2 OH or
R 2 ═C 1 -C 12 alkyl or R f -A-G 3 -B—, and
X═Cl, Br, or I;
provided that:
when R 1 ═C 1 -C 12 alkyl, then R 2 ═R f -A-G 3 -B—;
when R 1 ═R f -A-G 3 -B—, then R 2 ═C 1 -C 12 alkyl;
when G 1 =-CH 2 (CHOH) 4 CH 2 OH, then
and G 3 =a bond; and
when
then
and G 3 =S.
4 . The method of claim 3 , wherein adding the aldohexose-based fluoroadditive to the medium lowers the surface tension of the medium.
5 . The method of claim 4 , wherein the surface behavior is selected from the group consisting of wetting, penetration, spreading, leveling, flowing, emulsifying, dispersing, repelling, releasing, lubricating, etching, bonding, and stabilizing.
6 . The method of claim 5 , wherein the medium is selected from the group consisting of: coating compositions, lattices, polymers, floor finishes, inks, emulsifying agents, foaming agents, release agents, repellency agents, flow modifiers, film evaporation inhibitors, wetting agents, leveling agents, penetrating agents, cleaners, grinding agents, electroplating agents, corrosion inhibitors, etchant solutions, soldering agents, dispersion aids, antimicrobial agents, pulping aids, rinsing aids, polishing agents, personal care compositions, drying agents, antistatic agents, bonding agents, and mixtures thereof.
7 . A process comprising contacting an article with a composition comprising an aldohexose-based fluoroadditive selected from the group of compounds of formula (II):
R 1 —CH 2 -G 2 (II)
wherein:
R 1 ═C 1 -C 12 alkyl or R f -A-G 3 -B—,
R f ═C 1 -C 12 perfluoroalkyl,
A=C 1 -C 6 alkylene,
B═C 1 -C 6 alkylene, and
G 3 =a bond or S;
G 1 =-CH 2 (CHOH) 4 CH 2 OH or
R 2 ═C 1 -C 12 alkyl or R f -A-G 3 -B—, and
X═Cl, Br, or I;
provided that:
when R 1 ═C 1 -C 12 alkyl, then R 2 ═R f -A-G 3 -B—;
when R 1 ═R f -A-G 3 -B—, then R 2 ═C 1 -C 12 alkyl;
when G 1 =-CH 2 (CHOH) 4 CH 2 OH, then
and G 3 =a bond; and
when
then
and G 3 =S.
8 . The process of claim 7 , wherein the composition further comprises a medium.
9 . The process of claim 8 , wherein the medium is selected from the group consisting of: coating compositions, lattices, polymers, floor finishes, inks, emulsifying agents, foaming agents, release agents, repellency agents, flow modifiers, film evaporation inhibitors, wetting agents, leveling agents, penetrating agents, cleaners, grinding agents, electroplating agents, corrosion inhibitors, etchant solutions, soldering agents, dispersion aids, antimicrobial agents, pulping aids, rinsing aids, polishing agents, personal care compositions, drying agents, antistatic agents, bonding agents, and mixtures thereof.
10 . The process of claim 7 , wherein the article comprises a material selected from the group consisting of polymers, metals, wood, glass, ceramics, bricks, concretes, cements, natural or synthetic stones, tiles, paper, leather, and textile materials.
11 . The process of claim 10 , wherein the polymeric article is in the form of a fiber, a film, a sheet, a formed or molded part, a laminate, an extruded profile, a coated part, a foamed part, a bead, a particle, or a powder.
12 . An article produced by the process of claim 7 .