Claims
- 1. A process for rendering a cellulosic or natural or synthetic polyamide substrate oil and water repellant comprising
- (A) contacting said substrate with an oil and water repellant imparting effective amount of an aqueous emulsion comprising
- (a) 0.01% to 5% by weight of a fluoroaliphatic substituted bicycloaliphatic amic acid amine salt of the formula ##STR21## wherein R.sub.f is straight or branched chain perfluoroalkyl of 4 to 18 carbon atoms or perfluoroalkoxy-perfluoroalkyl of 4 to 18 carbon atoms;
- R' is straight or branched chain alkylene of 1 to 12 carbon atoms, alkylenethioalkylene of 2 to 12 carbon atoms, alkyleneoxyalkylene of 2 to 12 carbon atoms, or alkyleneiminoalkylene of 2 to 12 carbon atoms where the imino nitrogen atom contains as a third substituent, hydrogen or alkyl of 1 to 6 carbon atoms;
- n is 0, 1 or 2;
- Y is lower alkylene or --O--;
- R.sub.1 and R.sub.2 are independently hydrogen, lower alkyl, hydroxy-lower alkyl, or together with the nitrogen to which they are attached, represent morpholino;
- R.sub.3, R.sub.4 and R.sub.5 independently represent hydrogen, lower alkyl, or hydroxy-lower alkyl,
- R.sub.6 is lower alkyl, benzyl, lower alkyl substituted by hydroxy, carboxy or sulfo, or together with R.sub.5 and the nitrogen to which they are attached represent morpholino;
- R is hydrogen or methyl; and
- wherein the R.sub.f --R'--S(O).sub.n -- group is in the 5- or 6-position
- (b) 0%-3% by weight emulsifier;
- (c) 0%-5% by weight filler, water repellant assistant, coloring agent, or surface conditioner adjuvant;
- (d) 0%-10% by weight sizing agent; and
- (e) the remainder water; and
- (B) drying the treated substrate.
- 2. A process for the internal sizing of paper pulp and rendering said pulp oil and water repellant comprising
- (A) contacting said paper pulp with an internal sizing and oil and water repellant imparting effective amount of an aqueous emulsion comprising
- (a) 0.0005-0.1% by weight of an amine salt of the formula ##STR22## wherein R.sub.f is straight or branched chain perfluoroalkyl of 4 to 18 carbon atoms or perfluoroalkoxy-perfluoroalkyl of 4 to 18 carbon atoms;
- R' is straight or branched chain alkylene of 1 to 12 carbon atoms, alkylenethioalkylene of 2 to 12 carbon atoms, alkyleneoxyalkylene of 2 to 12 carbon atoms, or alkyleneiminoalkylene of 2 to 12 carbon atoms where the imino nitrogen atom contains as a third substituent, hydrogen or alkyl of 1 to 6 carbon atoms;
- n is 0, 1 or 2;
- Y is lower alkylene or --O--;
- R.sub.1 and R.sub.2 are independently hydrogen, lower alkyl, hydroxy-lower alkyl, or together with the nitrogen to which they are attached, represent morpholino;
- R.sub.3, R.sub.4 and R.sub.5 independently represent hydrogen, lower alkyl, or hydroxy-lower alkyl,
- R.sub.6 is lower alkyl, benzyl, lower alkyl substituted by hydroxy, carboxy or sulfo, or together with R.sub.5 and the nitrogen to which they are attached represent morpholino;
- R is hydrogen or methyl; and
- wherein the R.sub.f --R'--S(O).sub.n -- group is in the 5- or 6-position
- (b) 0.00001 to 0.05% by weight emulsifier
- (c) 0 to 5% by weight filler, bacteriostal, fungicide, coloring agent or surface conditioner adjuvant;
- (d) 0 to 10% sizing agent; and
- (e) the remainder water; to render said pulp oil and water repellant, and
- (B) subsequently drying said contacted pulp.
- 3. A process according to claim 2, wherein said paper pulp is pretreated with a cationic agent.
- 4. A process according to claim 2, wherein the cationic agent is a cationically modified starch, a cationic modified aminoplast resin, a cationic polymer or a cationic blocked polyurethane.
- 5. A process according to claim 3, wherein the cationic agent is a cationically modified starch.
- 6. A water and oil repellant cellulosic, or natural o r synthetic polyamide, substrate produced according to the process of claim 1.
- 7. An oil and water repellant paper pulp article produced according to the process of claim 2.
- 8. An oil and water repellant paper pulp article produced according to the process of claim 4.
Parent Case Info
This is a divisional of application Ser. No. 503,435 filed on June 13, 1983, now U.S. Pat. No. 4,515,640.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4515640 |
Kaschig et al. |
May 1985 |
|
Divisions (1)
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Number |
Date |
Country |
Parent |
503435 |
Jun 1983 |
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