AKD EMULSION AND METHOD OF MAKING
Provided is an alkyl ketone dimer emulsion and the preparation thereof. More particularly, described is a 3-component emulsion, which is easy to prepare using low emulsification ability—high shear speed capability equipment to prepare the AKD emulsion with excellent quality, high efficiency, and less preparation time.
1 . A composition for treating a paper product comprising:
a) a first component chosen from a polydiallyldimethylammonium chloride (polyDADMAC), a polyacrylamide (PAM), a polyamine, a polyethyleneimine (PEI), polyvinyl alcohol, or combinations thereof;
b) a second component chosen from an alkyl ketene dime (AKD), alkenyl succinic anhydride (ASA), a paraffin wax, or combinations thereof,. and
c) a dispersant;
wherein the composition is in the form of an emulsion.
2 . The composition according to claim 1 , wherein the first component of the composition is a polyDADMAC and/or polyDADMAC derivative.
3 . The composition according to claim 1 , wherein the second component of the composition is an alkyl ketene dimer.
4 . The composition according to claim 1 , wherein the dispersant in the composition is chosen from a lignin sulfonate, a condensed polymer of naphthalene-sulfonic acid with formaldehyde, copolymer of acrylamide, sulfonic acid, and combinations thereof.
5 . The composition according to claim 1 , wherein the first component in the composition is present in an amount of from about 0.1 wt. % to about 30 wt. %, about 0.1 wt. % to about 20 wt. %, about 0.5 wt. % to about 15 wt. %, based on the total weight of the composition.
6 . The composition according to claim 1 , wherein the second component in the composition is present in an amount of from about 0.1 wt. % to about 60 wt. %, or about 1 wt. % to about 50 wt. %, or about 5 wt. % to about 40 wt. %, based on the total weight of the composition.
7 . The composition according claim 1 , wherein the dispersant in the composition is present in amount of from about 0.1 wt. % to about 10.0 wt. %, or about 0.1 wt. % to about 1 wt. %, or about 025 wt. % to about 0.75 wt. %, based on the total weight of the composition.
8 . The composition according to claim 1 , further comprising a saturated or unsaturated fatty acid.
9 . The composition according to claim 8 , wherein the fatty acid in the composition is present an amount of from about 0.1 to about 10 wt. %, or about I wt. % to about 10 wt. %, based on the total weight of the composition.
10 . The composition according to claim 1 , wherein a paper product treated with the composition has higher water resistance compared with an untreated paper product.
11 . A method of preparing an oil in water emulsion, wherein the method comprises:
providing a composition comprising
a. a first component chosen from a polydiallyldimethylammonium chloride (polyDADMAC), a polyacrylamide, a polyamine, a polyethyleneimine, a. polyvinyl alcohol, and combinations thereof;
b. a second component chosen from an alkyl ketene dimer, alkenyl succinic anhydride, paraffin wax, and combinations thereof; and
c. a dispersant; and
homogenizing the composition to produce the emulsion.
12 . The method according to claim 11 , wherein the first component in the composition is chosen from a polyDADMAC and/or a polyDADMAC derivative.
13 . The method according to claim 12 , wherein the polyDADMAC derivative is a copolymer of acrylamide and diallyl dimethyl ammonium chloride.
14 . The method according to claim 11 , —herein the second component in the composition is an alkyl ketene dimer.
15 . The method according to claim 11 , wherein the dispersant in the composition is chosen from a lignin sulfonate, a condensed polymer of naphthalene-sulfonic acid with formaldehyde, a copolymer of acrylamide and sulfonic acid, and combinations thereof
16 . The method according to claim 11 , wherein the first component in the composition is present in an amount of from about 0.1 wt. % to about 30 wt. %, or about 0.5 wt. % to about 15 wt. % based on the total weight of the composition.
17 . The method according to claim 11 , wherein the second component in the composition is present in an amount of from about 1 wt. % to about 60 wt. %, or about 1 wt. % to about 50 wt. %, or about 5 wt. % to about 40 wt. % based on the total weight of the composition.
18 . The method according to claim 11 , wherein the dispersant in the composition is present in amount of from about 1.0 wt. % to about 10 wt. %, or about 0.1 wt../i) to about 1 wt. %, or about 0.25 wt. % to about 0.75 wt. %, based on the total weight of the composition.
19 . The method according to claim 11 , wherein the composition further comprises a fatty acid in an amount of from about 0.1 to about 10 wt. %, or about 1 wt. % to about 5 wt. %, based on the total weight of the composition.
20 . A method of producing a paper product comprising;
providing an emulsion composition according to claim 1 ; and
treating paper with the emulsion composition to form the paper product.