CA2493424A1 - Absorbent binder desiccant composition and articles incorporating it - Google Patents

Absorbent binder desiccant composition and articles incorporating it Download PDF

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Publication number
CA2493424A1
CA2493424A1 CA002493424A CA2493424A CA2493424A1 CA 2493424 A1 CA2493424 A1 CA 2493424A1 CA 002493424 A CA002493424 A CA 002493424A CA 2493424 A CA2493424 A CA 2493424A CA 2493424 A1 CA2493424 A1 CA 2493424A1
Authority
CA
Canada
Prior art keywords
group
absorbent binder
units
desiccant composition
binder desiccant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002493424A
Other languages
French (fr)
Other versions
CA2493424C (en
Inventor
Dave Allen Soerens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kimberly Clark Worldwide Inc
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/206,883 external-priority patent/US6737491B2/en
Priority claimed from US10/427,809 external-priority patent/US6887961B2/en
Application filed by Individual filed Critical Individual
Publication of CA2493424A1 publication Critical patent/CA2493424A1/en
Application granted granted Critical
Publication of CA2493424C publication Critical patent/CA2493424C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/28—Selection of materials for use as drying agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/264—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing liquids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04—Homopolymers or copolymers of esters
    • C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/08—Homopolymers or copolymers of acrylic acid esters

Abstract

An absorbent binder desiccant composition is provided which is capable of spontaneous crosslinking after application to a substrate, at a temperature of about 120~C or less. The absorbent binder desiccant composition includes a monoethylenically unsaturated polymer, such as carboxylic acid, sulphonic acid, or phosphoric acid, or salts thereof, or a quaternary ammonium salt, a nd an acrylate or methacrylate ester that contains an alkoxysilane functionalit y, or a monomer capable of co-polymerization with a compound containing a trialkoxy silane functional group and subsequent reaction with water to form a silanol group, and a desiccant component. The absorbent binder desiccant composition is particularly suitable for use in manufacturing a wide variety of humidity control articles.

Claims (20)

1. An absorbent binder desiccant composition comprising a water-soluble ionic polymer capable of sufficient non-radiative crosslinking within about 10 minutes at a temperature of about 120°C or less, to reach an absorbent capacity of at least one gram of fluid per gram of polymer using the centrifuge retention capacity test, and at least one desiccant component.
2. The absorbent binder desiccant composition of Claim 1, wherein the ionic polymer is capable of sufficient non-radiative crosslinking within about 10 minutes at a temperature of about 120°C or less, to reach an absorbent capacity of at least 3 grams of fluid per gram of polymer using the centrifuge retention capacity test.
3. The absorbent binder desiccant composition of Claim 1 or 2, wherein the water-soluble ionic polymer comprises at least about 15 mole percent ionic polymer units.
4. The absorbent binder desiccant composition of any of Claims 1 to 3, wherein the ionic polymer has a negative charge.
5. The absorbent binder desiccant composition of Claim 4, wherein the ionic polymer comprises a carboxyl group-containing monomer.
6. The absorbent binder desiccant composition of any of Claims 1 to 3, wherein the ionic polymer has a positive charge.
7. The absorbent binder desiccant composition of Claim 6, wherein the ionic polymer comprises a quaternary ammonium group-containing monomer.
8. The absorbent binder desiccant composition of Claim 6, wherein the ionic polymer comprises a reaction product of 1) a monomer selected from the group consisting of acryloyloxyethyl-trialkyl-substituted ammonium salts, acryloyloxypropyl-trialkyl-substituted ammonium salts, acrylamidoethyl-trialkyl-substituted ammonium salts, and acrylamidopropyl-trialkyl-substituted ammonium salts, with 2) a monomer selected from the group consisting of methacryl esters which contain an alkoxysilane group and acryl esters which contain an alkoxysilane group.
9. The absorbent binder desiccant composition of Claim 1, wherein the polymer and desiccant component are present in a dry weight ratio of about 100:1 to about 1:10, and the polymer comprises:
a) about 15 to about 99.8% by mass of monoethylenically unsaturated polymer units;
b) about 0.1 to about 20% by mass polyacrylate ester units that include an alkoxysilane functionality; and c) about 0.1 to about 75% by mass polymer units selected from the group consisting of polyolefin glycol units, polyolefin oxide units, and combinations thereof.
10. The absorbent binder desiccant composition of Claim 9, wherein the monoethylenically unsaturated polymer units and the polyacrylate ester units including an alkoxysilane functionality are copolymerized.
11. The absorbent binder desiccant composition of Claim 9 or 10, wherein at least some of the polymer units selected from the group consisting of polyolefin glycol units, polyolefin oxide units, and combinations thereof are copolymerized with at least some of the polyacrylate ester units.
12. The absorbent binder desiccant composition of any of Claims 9 to 11, wherein the polymer comprises about 25 to about 89.5% by mass monoethylenically unsaturated polymer units, about 0.5 to about 15% by mass ester units selected from the group consisting of acrylate and methacrylate ester units that include an alkoxysilane functionality, and about 10 to about 60% by mass of units selected from the group consisting of polyolefin glycol and polyolefin oxide units.
13. The absorbent binder desiccant composition of any of Claims 9 to 11, wherein the polymer comprises about 30 to about 79% by mass monoethylenically unsaturated polymer units, about 1.0 to about 10% by mass ester units selected from the group consisting of acrylate and methacrylate ester units that include an alkoxysilane functionality, and about 20 to about 50% by mass of units selected from the group consisting of polyolefin glycol and polyolefin oxide units.
14. The absorbent binder desiccant composition of any of Claims 9 to 13, wherein the monoethylenically unsaturated polymer units comprise a monomer unit selected from the group consisting of a carboxyl group-containing monomer, a carboxylic acid anhydride group-containing monomer, a carboxylic acid salt-containing monomer, a sulfonic acid group-containing monomer, an amide group-containing monomer, and a quaternary ammonium salt.
15. The absorbent binder desiccant composition of any of Claims 9 to 14, wherein the alkoxysilane functionality comprises a trialkoxysilane group having the following structure:
wherein R1, R2 and R3 are alkyl groups independently having from 1 to 6 carbon atoms.
16. The absorbent binder desiccant composition of any of Claims 1 to 15, wherein the polymer and desiccant component are present in a dry weight ratio of about 10:1 to about 1:3.
17. The absorbent binder desiccant composition of any of Claims 1 to 16, wherein the desiccant component comprises a compound selected from the group consisting of anhydrous salts, capillary desiccants, and combinations thereof.
18. The absorbent binder desiccant composition of any of Claims 1 to 16, wherein the desiccant component comprises a compound selected from the group consisting of sodium acetate, zinc chloride, zinc bromide, calcium oxide, calcium sulfate, montmorillonite clay, synthetic zeolites, silica gels, starches, and combinations thereof.
19. A combination comprising the absorbent binder desiccant composition of any of Claims 1 to 18, and a substrate.
20. A product comprising the combination of Claim 19, selected from the group consisting of a humidity control package, a bottle, a can, a bread box, and a cup.
CA2493424A 2002-07-26 2003-07-24 Absorbent binder desiccant composition and articles incorporating it Expired - Lifetime CA2493424C (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US10/206,883 2002-07-26
US10/206,883 US6737491B2 (en) 2002-07-26 2002-07-26 Absorbent binder composition and method of making same
US10/324,478 2002-12-20
US10/324,478 US6849685B2 (en) 2002-07-26 2002-12-20 Method for making an absorbent binder composition and application thereof to a substrate
US10/427,809 US6887961B2 (en) 2002-07-26 2003-05-01 Absorbent binder composition and method of making it
US10/427,809 2003-05-01
US10/622,752 2003-07-18
US10/622,752 US7205259B2 (en) 2002-07-26 2003-07-18 Absorbent binder desiccant composition and articles incorporating it
PCT/US2003/023141 WO2004011048A1 (en) 2002-07-26 2003-07-24 Absorbent binder desiccant composition and articles incorporating it

Publications (2)

Publication Number Publication Date
CA2493424A1 true CA2493424A1 (en) 2004-02-05
CA2493424C CA2493424C (en) 2012-02-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2493424A Expired - Lifetime CA2493424C (en) 2002-07-26 2003-07-24 Absorbent binder desiccant composition and articles incorporating it

Country Status (10)

Country Link
US (1) US7205259B2 (en)
EP (1) EP1534350B1 (en)
JP (1) JP4505412B2 (en)
KR (1) KR101029625B1 (en)
CN (1) CN1665549B (en)
AU (1) AU2003259225A1 (en)
CA (1) CA2493424C (en)
DE (1) DE60308035T2 (en)
IL (1) IL166234A0 (en)
WO (1) WO2004011048A1 (en)

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AU2003259225A8 (en) 2004-02-16
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US20040106721A1 (en) 2004-06-03
WO2004011048B1 (en) 2004-04-15
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WO2004011048A1 (en) 2004-02-05
US7205259B2 (en) 2007-04-17
DE60308035D1 (en) 2006-10-12
JP4505412B2 (en) 2010-07-21
JP2005533922A (en) 2005-11-10
IL166234A0 (en) 2006-01-15
AU2003259225A1 (en) 2004-02-16
DE60308035T2 (en) 2007-02-01

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