Quaternary cationic surfactants and polymers for use as release and coating modifying agents in creping and tissue papers

Patent metadata

Field	Value
Publication number	US-11427964-B2
Application number	US-201917056715-A
Country	US
Kind code	B2
Filing date	Jun 7, 2019
Priority date	Jun 12, 2018
Publication date	Aug 30, 2022
Grant date	Aug 30, 2022

Abstract

A composition is disclosed that may include an adhesive agent and a release aid. A Yankee dryer coating is also disclosed that may include a release aid. The release aid may include a cationic polymer salt that is a reaction product of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt. Also provided are methods of treating and creping paper.

First claim

What is claimed is:

1. A composition comprising:
an adhesive agent; and
a release aid comprising a cationic polymer salt comprising a reaction product of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt of formula (I):

wherein each X − is independently an anion; R 1 is C 1 -C 6 alkylene substituted with hydroxyl or —OR 5 and an X − end group; R 2 , R 3 , and R 4 are each independently C 1 -C 22 alkyl or C 7 -C 22 arylalkyl; and R 5 is C 1 -C 6 alkyl.

2. The composition of claim 1 , wherein R 2 , R 3 , and R 4 are independently C 1 -C 22 alkyl.

3. The composition of claim 1 , wherein the substituted alkyl trialkyl quaternary ammonium salt is 3-chloro-2-hydroxypropyl-trimethylammonium chloride, 3-chloro-2-hydroxypropyl-dodecyl-dimethylammonium chloride, 3-chloro-2-hydroxypropyl-stearyl-dimethylammonium chloride, or any combination thereof.

4. The composition of claim 1 , wherein the polyamine is of formula (II):

wherein
n is an integer from 0 to 100;
each R 6 is independently C 2 -C 6 alkylene; and
each R 7 is independently hydrogen or —R 6 —NH 2 , —R 6 —NH—R 6 —NH 2 , or —R 6 —N—(R 6 —NH 2 ) 2 .

5. The composition of claim 1 , wherein the reaction product is of formula (III):

wherein each R 6 is independently C 2 -C 6 alkylene; each R 7 is independently hydrogen, —R 8 , —R 6 —N(R 8 ) 2 , —R 6 —N(R 8 )—R 6 —N(R 8 ) 2 , or —R 6 —N—(R 6 —N(R 8 ) 2 ) 2 ; each R 8 is independently hydrogen or

each R 9 is independently C 2 -C 6 alkylene substituted with hydroxyl or —OR 13 ; R 10 , R 11 , and R 12 are each independently C 1 -C 22 alkyl or C 7 -C 22 arylalkyl; R 13 is C 1 -C 6 alkyl; n is an integer from 1 to 100; and each X − is independently an anion.

6. The composition of claim 4 , wherein R 6 is ethyl.

7. The composition of claim 1 , wherein the reaction product is selected from the group consisting of:

8. The composition of claim 1 , wherein the reaction product is of a polyethylenimine and the substituted alkyl trialkyl quaternary ammonium salt of formula (I).

9. The composition of claim 1 , wherein the adhesive agent is selected from polyaminoamide-epichlorohydrin (PAE) resins, polyamine-epichlorohydrin resins, polyvinyl alcohols, polyvinyl acetates, polyacrylamides, polyamines, hydrolyzed N-vinylformamide polymers, polyamides, polyvinylpyrrolidones, polyethers, polyethyleneimines, crosslinked vinyl alcohol copolymers, starch, guar gum, carboxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, and any combination thereof.

10. The composition of claim 1 , further comprising a modifying agent.

11. The composition of claim 10 , wherein the modifying agent is selected from glycerol, diglycerol, triglycerol, polyglycerol, and any combination thereof.

12. The composition of claim 1 , wherein the composition comprises about 0.01% to about 95% by weight of the release aid.

13. A Yankee dryer coating, comprising a release aid comprising a cationic polymer salt comprising a reaction product of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt of formula (I):

wherein each X − is independently an anion; R 1 is C 1 -C 6 alkylene substituted with hydroxyl or —OR 5 and an X − end group; R 2 , R 3 , and R 4 are each independently C 1 -C 22 alkyl or C 7 -C 22 arylalkyl; and R 5 is C 1 -C 6 alkyl.

14. The Yankee dryer coating of claim 13 , wherein the reaction product is of formula (III):

wherein each R 6 is independently C 2 -C 6 alkylene; each R 7 is independently hydrogen, —R 8 , —R 6 —N(R 8 ) 2 , —R 6 —N(R 8 )—R 6 —N(R 8 ) 2 , or —R 6 —N—(R 6 —N(R 8 ) 2 ) 2 ; each R 8 is independently hydrogen or

each R 9 is independently C 2 -C 6 alkylene substituted with hydroxyl or —OR 13 ; R 10 , R 11 , and R 12 are each independently C 1 -C 22 alkyl or C 7 -C 22 arylalkyl; R 13 is C 1 -C 6 alkyl; n is an integer from 1 to 100; and each X − is independently an anion.

15. The Yankee dryer coating of claim 13 , wherein the Yankee dryer coating comprises about 0.01% to about 95% by weight of the release aid.

16. A method of creping a paper web comprising:
applying to a creping cylinder the composition of claim 1 ;
pressing the paper web against the creping cylinder to effect adhesion of the paper web to the creping cylinder; and
dislodging the paper web from the creping cylinder with a doctor blade.

17. A method of treating paper, comprising:
adding a cationic polymer salt to cellulose fibers, the cationic polymer salt comprising a reaction product of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt of formula (I):

wherein each X − is independently an anion; R 1 is C 1 -C 6 alkylene substituted with hydroxyl or —OR 5 and an X − end group; R 2 , R 3 , and R 4 are each independently C 1 -C 22 alkyl or C 7 -C 22 arylalkyl; and R 5 is C 1 -C 6 alkyl.

18. The method of claim 17 , wherein the polyamine is of formula (II):

wherein
n is an integer from 0 to 100;
each R 6 is independently C 2 -C 6 alkylene; and
each R 7 is independently hydrogen or —R 6 —NH 2 , —R 6 —NH—R 6 —NH 2 , or —R 6 —N—(R 6 —NH 2 ) 2 .

19. The method of claim 17 , wherein the cationic polymer salt is added to the cellulose fibers in a wet-end of a papermaking machine or the cationic polymer salt is added to cellulose fibers by spraying the cationic polymer salt onto a sheet comprising the cellulose fibers after the paper sheet is formed.

Assignees

• Ecolab Usa Inc

Inventors

• Furman Jr Gary S
• Kaley Christopher
• Zong Zhengang

Classifications

• D21H21/146 Primary

  Crêping adhesives · CPC title

• D21H17/07

  Nitrogen-containing compounds · CPC title

• D21H17/06

  Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals · CPC title

• D21H17/56

  Polyamines; Polyimines; Polyester-imides · CPC title

• B31F1/14

  by doctor blades arranged crosswise to the web · CPC title