CA2620816A1 - A method of making heat cells comprising exothermic compositions having absorbent gelling material - Google Patents
A method of making heat cells comprising exothermic compositions having absorbent gelling material Download PDFInfo
- Publication number
- CA2620816A1 CA2620816A1 CA002620816A CA2620816A CA2620816A1 CA 2620816 A1 CA2620816 A1 CA 2620816A1 CA 002620816 A CA002620816 A CA 002620816A CA 2620816 A CA2620816 A CA 2620816A CA 2620816 A1 CA2620816 A1 CA 2620816A1
- Authority
- CA
- Canada
- Prior art keywords
- iron powder
- weight
- mixtures
- sodium
- wraps
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/16—Materials undergoing chemical reactions when used
- C09K5/18—Non-reversible chemical reactions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24V—COLLECTION, PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR
- F24V30/00—Apparatus or devices using heat produced by exothermal chemical reactions other than combustion
Abstract
The present invention is directed to a method of making heat cells that are suitable for incorporation into disposable heating wraps. The heat cells comprise an exothermic composition comprising an absorbent gelling material, wherein the absorbent gelling material provides for improved heat application in the relief of temporary or chronic body aches and pains.
Claims (10)
1. A method of making a heat cell comprising a particulate exothermic composition, wherein the method comprises the steps of:
(a) constructing a particulate premix composition having a premix cell weight of from 0.4 grams to 2.5 grams, preferably from 1.0 grams to 2.4 grams; and (b) dosing a brine solution onto the pre-mix composition.
(a) constructing a particulate premix composition having a premix cell weight of from 0.4 grams to 2.5 grams, preferably from 1.0 grams to 2.4 grams; and (b) dosing a brine solution onto the pre-mix composition.
2. The method of Claim 1 wherein the particulate premix composition comprises:
(a) from 10% to 90% by weight of iron powder;
(b) from 1% to 25% by weight of a carbon selected from the group consisting of activated carbon, non-activated carbon, and mixtures thereof;
(c) from 1% to 25% by weight of an absorbent gelling material; and (d) from 1% to 10 % by weight of water.
(a) from 10% to 90% by weight of iron powder;
(b) from 1% to 25% by weight of a carbon selected from the group consisting of activated carbon, non-activated carbon, and mixtures thereof;
(c) from 1% to 25% by weight of an absorbent gelling material; and (d) from 1% to 10 % by weight of water.
3. The method of Claim 2 wherein the ratio of the median particle size of the absorbent gelling material to that of the iron powder is from 10:1 to 1:10.
4. The method of Claims 2 or 3 wherein the iron powder has a median particle size of from 50 µm to 300 µm; and wherein the iron powder is selected from the group consisting of cast iron powder, reduced iron powder, electrolytic iron powder, scrap iron powder, pig iron, sponge iron, wrought iron, steel, iron alloy, and mixtures thereof;
preferably wherein the iron powder is sponge iron.
preferably wherein the iron powder is sponge iron.
5. The method of any of Claims 2-4 wherein the absorbent gelling material is a hydrogel-forming polymeric material selected from the group consisting of hydrolyzed acrylonitrile grafted starch, acrylic acid grafted starch, polyacrylate, maleic anhydride-based copolymer, and mixtures thereof; wherein the hydrogel-forming polymeric material has a median particle size of from 300 µm to 800 µm.
6. The method of Claim 1 wherein the brine solution comprises:
(a) from 0.5% to 20% by weight of a metal salt;
(b) from 1% to 90% by weight of water; and (c) optionally from 0.01 % to 10% by weight of a hydrogen gas inhibitor.
(a) from 0.5% to 20% by weight of a metal salt;
(b) from 1% to 90% by weight of water; and (c) optionally from 0.01 % to 10% by weight of a hydrogen gas inhibitor.
7. The method of Claim 6 wherein the metal salt is selected from the group consisting of alkali metal salts, alkaline earth metal salts, transition metal salts, and mixtures thereof;
preferably sodium chloride, cupric chloride, and mixtures thereof.
preferably sodium chloride, cupric chloride, and mixtures thereof.
8. The method of Claim 6 or 7 wherein the hydrogen gas inhibitor is selected from the group consisting of sodium thiosulfate, sodium sulfite, sodium hydroxide, potassium hydroxide, sodium hydrogen carbonate, sodium carbonate, calcium hydroxide, calcium carbonate, sodium propionate, and mixtures thereof; preferably wherein the hydrogen gas inhibitor is sodium thiosulfate.
9. The method of any of the preceding Claims wherein the heat cell is combined in a pocket, formed in a unified structure comprising at least two opposed surfaces, wherein at least one surface is oxygen permeable.
10. The method of any of the preceding Claims wherein the heat cell is incorporated into disposable heating articles selected from the group consisting of back wraps, knee wraps, neck wraps, menstrual wraps, joint wraps, and neck-to-arm wraps.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/233,738 | 2005-09-23 | ||
| US11/233,738 US7794649B2 (en) | 2005-09-23 | 2005-09-23 | Method of making heat cells comprising exothermic compositions having absorbent gelling material |
| PCT/IB2006/053444 WO2007034444A1 (en) | 2005-09-23 | 2006-09-22 | A method of making heat cells comprising exothermic compositions having absorbent gelling material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2620816A1 true CA2620816A1 (en) | 2007-03-29 |
| CA2620816C CA2620816C (en) | 2011-12-20 |
Family
ID=37745906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2620816A Expired - Fee Related CA2620816C (en) | 2005-09-23 | 2006-09-22 | A method of making heat cells comprising exothermic compositions having absorbent gelling material |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US7794649B2 (en) |
| EP (1) | EP1926793A1 (en) |
| JP (2) | JP4732518B2 (en) |
| CN (1) | CN101268166B (en) |
| AU (1) | AU2006293469B2 (en) |
| BR (1) | BRPI0616260A2 (en) |
| CA (1) | CA2620816C (en) |
| NZ (1) | NZ566277A (en) |
| RU (2) | RU2389452C2 (en) |
| WO (1) | WO2007034444A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9816727B2 (en) | 2009-07-26 | 2017-11-14 | Forever Young International, Inc. | Expandable exothermic gel-forming composition |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7794649B2 (en) * | 2005-09-23 | 2010-09-14 | Wyeth Llc | Method of making heat cells comprising exothermic compositions having absorbent gelling material |
| US9004059B2 (en) * | 2006-08-10 | 2015-04-14 | Rechargeable Battery Corporation | Reusable heater in a package |
| ES2638492T3 (en) * | 2006-08-10 | 2017-10-23 | Rechargeable Battery Corporation | Oxygen activated heater and manufacturing methods |
| US7700530B2 (en) * | 2008-06-30 | 2010-04-20 | Kimberly Clark Worldwide, Inc. | Polysensorial personal care cleanser comprising a quaternary silicone surfactant |
| JP5930280B2 (en) * | 2012-01-18 | 2016-06-08 | パウダーテック株式会社 | Exothermic composition and oxygen absorbing composition |
| US9574764B2 (en) | 2012-05-25 | 2017-02-21 | S. C. Johnson & Son, Inc. | Portable steam generating device |
| US9872795B2 (en) | 2014-03-12 | 2018-01-23 | Rechargeable Battery Corporation | Thermoformable medical member with heater and method of manufacturing same |
| US20180252438A9 (en) * | 2014-03-12 | 2018-09-06 | Rechargeable Battery Corporation | Chemically based heater for a bio-mechanical device and article to be heated |
| US9642736B2 (en) | 2014-03-12 | 2017-05-09 | Rechargeable Battery Corporation | Thermoformable splint structure with integrally associated oxygen activated heater and method of manufacturing same |
| US20180071971A1 (en) * | 2015-04-07 | 2018-03-15 | Rechargeable Battery Corporation | Heater for thermoformable materials |
| AU2017376451B2 (en) * | 2016-12-13 | 2022-08-25 | Forever Young International, Inc. | Exothermic expandable compositions |
| EP3498784B1 (en) * | 2017-12-15 | 2020-08-26 | Daw Se | Coating composition, method for producing the coating composition and its use |
| CN110960347A (en) * | 2019-12-06 | 2020-04-07 | 广州润虹医药科技股份有限公司 | Preparation method of hot compress patch |
| CN112386561B (en) * | 2021-01-08 | 2023-09-01 | 广州融尚生物科技有限公司 | Whitening mask with high permeability and preparation method thereof |
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-
2005
- 2005-09-23 US US11/233,738 patent/US7794649B2/en not_active Expired - Fee Related
-
2006
- 2006-09-22 BR BRPI0616260-6A patent/BRPI0616260A2/en not_active Application Discontinuation
- 2006-09-22 EP EP06809380A patent/EP1926793A1/en not_active Withdrawn
- 2006-09-22 JP JP2008530738A patent/JP4732518B2/en not_active Expired - Fee Related
- 2006-09-22 NZ NZ566277A patent/NZ566277A/en not_active IP Right Cessation
- 2006-09-22 WO PCT/IB2006/053444 patent/WO2007034444A1/en active Application Filing
- 2006-09-22 AU AU2006293469A patent/AU2006293469B2/en not_active Ceased
- 2006-09-22 CN CN2006800348776A patent/CN101268166B/en not_active Expired - Fee Related
- 2006-09-22 CA CA2620816A patent/CA2620816C/en not_active Expired - Fee Related
- 2006-09-22 RU RU2008107676/02A patent/RU2389452C2/en not_active IP Right Cessation
-
2008
- 2008-11-21 US US12/275,770 patent/US20090072189A1/en not_active Abandoned
-
2009
- 2009-11-27 RU RU2009143980/05A patent/RU2422486C1/en not_active IP Right Cessation
-
2010
- 2010-11-09 JP JP2010251088A patent/JP2011087941A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9816727B2 (en) | 2009-07-26 | 2017-11-14 | Forever Young International, Inc. | Expandable exothermic gel-forming composition |
Also Published As
| Publication number | Publication date |
|---|---|
| NZ566277A (en) | 2011-08-26 |
| CN101268166A (en) | 2008-09-17 |
| RU2422486C1 (en) | 2011-06-27 |
| RU2008107676A (en) | 2009-11-10 |
| JP2011087941A (en) | 2011-05-06 |
| BRPI0616260A2 (en) | 2011-06-14 |
| CA2620816C (en) | 2011-12-20 |
| JP2009508564A (en) | 2009-03-05 |
| EP1926793A1 (en) | 2008-06-04 |
| WO2007034444A1 (en) | 2007-03-29 |
| US7794649B2 (en) | 2010-09-14 |
| US20090072189A1 (en) | 2009-03-19 |
| AU2006293469B2 (en) | 2012-04-12 |
| JP4732518B2 (en) | 2011-07-27 |
| AU2006293469A1 (en) | 2007-03-29 |
| US20070068339A1 (en) | 2007-03-29 |
| RU2389452C2 (en) | 2010-05-20 |
| CN101268166B (en) | 2011-08-17 |
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