# US 8,465,624 B2 · Composition containing a multivalent cationic metal and amine-containing anti-static agent and methods of making and using

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- Number: US 8,465,624 B2
- Document ID: US8465624B2
- Status: Granted
- Kind: B2
- Application number: 13/184,756
- Filed: 2011-07-18
- Published: 2012-01-26
- Granted: 2013-06-18
- Earliest claimed: 2010-07-20
- Assignees: International Paper Company
- Applicants: James E. Sealey; Peter M. Froass; Sylvie Marie Rita Carriere
- Inventors: James E. Sealey; Peter M. Froass; Sylvie Marie Rita Carriere
- Web page: https://patentgrep.com/patent/US8465624B2

## CPC

- D21H 17/74: {of organic and inorganic material}
- C04B 18/241: {Paper, e.g. waste paper; Paper pulp}
- C04B 40/0039: {Premixtures of ingredients}
- D21C 9/007: {by mechanical or physical means}
- D21H 15/04: crimped, kinked, curled or twisted fibres
- C04B 2103/46: Water-loss or fluid-loss reducers, hygroscopic or hydrophilic agents, water retention agents
- D21H 11/16: modified by a particular after-treatment
- D21H 17/07: Nitrogen-containing compounds
- D21H 17/66: Salts, e.g. alums
- D21H 21/22: Agents rendering paper porous, absorbent or bulky
- Y02W 30/91: Use of waste materials as fillers for mortars or concrete
- D21H: PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- C04B: LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE {(roofing granules E04D7/005)}; CERAMICS (devitrified glass-ceramics C03C10/00); REFRACTORIES; TREATMENT OF NATURAL STONE
- D21C: PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- Y02W: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT

## Abstract

A fluff pulp or other pulp, comprises a multivalent cationic metal ion selected from the group consisting of Al+3, B+3, Mn+2, Cu+2, Cu+3, Zn+2, Sn+2, Sn+4, water-soluble salt thereof, or combination thereof; an amine-containing anti-static agent; and pulp. Methods of making and using the pulp, as well as articles therefrom, are provided.

## Claims

### Claim 1

A fluff pulp or other pulp, comprising: (a) a multivalent cationic metal ion selected from the group consisting of Al+3, B+3, Mn+2, Cu+2, Cu+3, Zn+2, Sn+2, Sn+4, water-soluble salt thereof, or combination thereof; (b) an amine-containing anti-static agent comprising coco alkyl dimethylbenzyl ammonium chloride; and (c) pulp.

### Claim 2 (depends on 1)

The pulp of claim 1, wherein the multivalent cationic metal ion is selected from the group consisting of Al+3, B+3, Cu+3, water-soluble salt thereof, or combination thereof.

### Claim 3 (depends on 1)

The pulp of claim 1, wherein the multivalent cationic metal ion is selected from the group consisting of Al+3, B+3, water-soluble salt thereof, or combination thereof.

### Claim 4 (depends on 1)

The pulp of claim 1, wherein the multivalent cationic metal ion is Al+3, water-soluble salt thereof, or combination thereof.

### Claim 5 (depends on 1)

The pulp of claim 1, wherein the multivalent cationic metal ion is water-soluble salt of Al+3.

### Claim 6 (depends on 1)

The pulp of claim 1, wherein the multivalent cationic metal ion comprises alum.

### Claim 7 (depends on 1)

The pulp of claim 1, wherein the multivalent cationic metal ion is alum.

### Claim 8 (depends on 1)

A method of making the pulp of claim 1, comprising contacting: (a) a multivalent cationic metal ion selected from the group consisting of Al+3, B+3, Mn+2, Cu+2, Cu+3, Zn+2, Sn+2, Sn+4, water-soluble salt thereof, or combination thereof; (b) an amine-containing anti-static agent comprising coco alkyl dimethylbenzyl ammonium chloride; and (c) pulp.

### Claim 9 (depends on 8)

The method of claim 8, wherein the multivalent cationic metal ion is selected from the group consisting of Al+3, B+3, Cu+3, water-soluble salt thereof, or combination thereof.

### Claim 10 (depends on 8)

The method of claim 8, wherein the multivalent cationic metal ion is selected from the group consisting of Al+3, B+3, water-soluble salt thereof, or combination thereof.

### Claim 11 (depends on 8)

The method of claim 8, wherein the multivalent cationic metal ion is Al+3, water-soluble salt thereof, or combination thereof.

### Claim 12 (depends on 8)

The method of claim 8, wherein the multivalent cationic metal ion is water-soluble salt of Al+3.

### Claim 13 (depends on 8)

The method of claim 8, wherein the multivalent cationic metal ion comprises alum.

### Claim 14 (depends on 8)

The method of claim 8, wherein the multivalent cationic metal ion is alum.

### Claim 15 (depends on 1)

An article, comprising the pulp of claim 1, wherein said article is at least one member selected from the group comprising an absorbent product, paper product, personal care product, medical product, insulating product, construction product, structural material, cement, food product, veterinary product, packaging product, diaper, tampon, sanitary napkin, gauze, bandage, and fire retardant.

### Claim 16 (depends on 15)

A method of making the article of claim 15, comprising: contacting: (a) a multivalent cationic metal ion selected from the group consisting of Al+3, B+3, Mn+2, Cu+2, Cu+3, Zn+2, Sn+2, Sn+4, water-soluble salt thereof, or combination thereof; (b) an amine-containing anti-static agent comprising coco alkyl dimethylbenzyl ammonium chloride; and (c) pulp; to make a fluff pulp mixture; forming a web from the fluff pulp mixture; and drying.

### Claim 17 (depends on 16)

The method of claim 16, wherein the multivalent cationic metal ion is selected from the group consisting of Al+3, B+3, Cu+3, water-soluble salt thereof, or combination thereof.

### Claim 18 (depends on 16)

The method of claim 16, wherein the multivalent cationic metal ion is selected from the group consisting of Al+3, B+3, water-soluble salt thereof, or combination thereof.

### Claim 19 (depends on 16)

The method of claim 16, wherein the multivalent cationic metal ion is Al+3, water-soluble salt thereof, or combination thereof.

### Claim 20 (depends on 16)

The method of claim 16, wherein the multivalent cationic metal ion is water-soluble salt of Al+3.

### Claim 21 (depends on 16)

The method of claim 16, wherein the multivalent cationic metal ion comprises alum.

### Claim 22 (depends on 16)

The method of claim 16, wherein the multivalent cationic metal ion is alum.

### Claim 23

A process for making a fluff pulp sheet, comprising: contacting a multivalent cationic metal ion selected from the group consisting of Al+3, B+3, Mn+2, Cu+2, Cu+3, Zn+2, Sn+2, Sn+4, water-soluble salt thereof, or combination thereof with a composition comprising fluff pulp fibers and water at a first pH, to form a first mixture; contacting at least one amine-containing anti-static agent comprising coca alkyl dimethylbenzyl ammonium chloride with the first mixture and raising the pH to a second pH, which is higher than the first pH, to form a fluff pulp mixture; forming a web from the fluff pulp mixture; and drying the web, to make the fluff pulp sheet.

### Claim 24 (depends on 23)

The process of claim 23, wherein the forming comprises one or more of contacting the fluff pulp mixture with a table in a papermaking machine, removing at least a portion of water from the fluff pulp mixture with a suction box under a table in a papermaking machine, or a combination thereof.

### Claim 25 (depends on 23)

The process of claim 23, wherein the multivalent cationic metal ion is selected from the group consisting of Al+3, B+3, Cu+3, water-soluble salt thereof, or combination thereof.

### Claim 26 (depends on 23)

The process of claim 23, wherein the multivalent cationic metal ion is selected from the group consisting of Al+3, B+3, water-soluble salt thereof, or combination thereof.

### Claim 27 (depends on 23)

The process of claim 23, wherein the multivalent cationic metal ion is Al+3, water-soluble salt thereof, or combination thereof.

### Claim 28 (depends on 23)

The process of claim 23, wherein the multivalent cationic metal ion is water-soluble salt of Al+3.

### Claim 29 (depends on 23)

The process of claim 23, wherein the multivalent cationic metal ion comprises alum.

### Claim 30 (depends on 23)

The process of claim 23, wherein the multivalent cationic metal ion is alum.

### Claim 31

A process for making a fluff pulp sheet, comprising: contacting a multivalent cationic metal ion selected from the group consisting of Al+3, B+3, Mn+2, Cu+2, Cu+3, Zn+2, Sn+2, Sn+4, water-soluble salt thereof, or combination thereof with a composition comprising fluff pulp fibers and water at a first pH, to form a fluff pulp mixture; forming a web from the fluff pulp mixture; and applying at least one amine-containing anti-static agent comprising coco alkyl dimethylbenzyl ammonium chloride to the web and raising the pH to a second pH, which is higher than the first pH, to make the fluff pulp sheet.

### Claim 32 (depends on 31)

The process of claim 31, wherein the forming comprises one or more of contacting the fluff pulp mixture with a table in a papermaking machine, removing at least a portion of water from the fluff pulp mixture with a suction box under a table in a papermaking machine, or a combination thereof.

### Claim 33 (depends on 31)

The process of claim 31, wherein the multivalent cationic metal ion is selected from the group consisting of Al+3, B+3, Cu+3, water-soluble salt thereof, or combination thereof.

### Claim 34 (depends on 31)

The process of claim 31, wherein the multivalent cationic metal ion is selected from the group consisting of Al+3, B+3, water-soluble salt thereof, or combination thereof.

### Claim 35 (depends on 31)

The process of claim 31, wherein the multivalent cationic metal ion is Al+3, water-soluble salt thereof, or combination thereof.

### Claim 36 (depends on 31)

The process of claim 31, wherein the multivalent cationic metal ion is water-soluble salt of Al+3.

### Claim 37 (depends on 31)

The process of claim 31, wherein the multivalent cationic metal ion comprises alum.

### Claim 38 (depends on 31)

The process of claim 31, wherein the multivalent cationic metal ion is alum.
