BRPI0417784A - polìmero superabsorvente apresentando uma taxa maior de absorção de água - Google Patents
polìmero superabsorvente apresentando uma taxa maior de absorção de águaInfo
- Publication number
- BRPI0417784A BRPI0417784A BRPI0417784-3A BRPI0417784A BRPI0417784A BR PI0417784 A BRPI0417784 A BR PI0417784A BR PI0417784 A BRPI0417784 A BR PI0417784A BR PI0417784 A BRPI0417784 A BR PI0417784A
- Authority
- BR
- Brazil
- Prior art keywords
- superabsorbent polymer
- water absorption
- higher rate
- weight percent
- blowing agent
- Prior art date
Links
- 229920000247 superabsorbent polymer Polymers 0.000 title abstract 5
- 238000010521 absorption reaction Methods 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 3
- 239000004604 Blowing Agent Substances 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 1
- 239000003431 cross linking reagent Substances 0.000 abstract 1
- 239000000178 monomer Substances 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
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
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
"POLìMERO SUPERABSORVENTE APRESENTANDO UMA TAXA MAIOR DE ABSORçãO DE áGUA". A presente invenção refere-se a um polímero superabsorvente no qual uma taxa maior de absorção de água é obtida por meio da adição de um agente de sopro encapsulado. A presente invenção se refere a um polímero superabsorvente que inclui um agente de sopro encapsulado e tendo um tempo de vórtice de 40 segundos ou menos. Em particular, o polímero superabsorvente inclui de cerca de 55 a cerca de 99,9 por cento em peso de um grupo de ácido insaturado polimerizável contendo monómeros; de cerca de 0,001 a cerca de 5,0 por cento em peso de um agente de reticulação; em que a composição tem um grau de neutralização maior que cerca de 20%; e de cerca de 0,05 a cerca de 1 0,0 por cento em peso de um agente de sopro encapsulado.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/741,271 US7163966B2 (en) | 2003-12-19 | 2003-12-19 | Superabsorbent polymer having increased rate of water absorption |
| PCT/US2004/042299 WO2005063313A1 (en) | 2003-12-19 | 2004-12-16 | Superabsorbent polymer having increased rate of water absorption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0417784A true BRPI0417784A (pt) | 2007-03-20 |
Family
ID=34678100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0417784-3A BRPI0417784A (pt) | 2003-12-19 | 2004-12-16 | polìmero superabsorvente apresentando uma taxa maior de absorção de água |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US7163966B2 (pt) |
| EP (1) | EP1694372B1 (pt) |
| JP (1) | JP5336704B2 (pt) |
| CN (1) | CN100443125C (pt) |
| BR (1) | BRPI0417784A (pt) |
| TW (1) | TWI355262B (pt) |
| WO (1) | WO2005063313A1 (pt) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6011975B2 (ja) * | 1980-11-25 | 1985-03-29 | 積水化成品工業株式会社 | ポリオレフイン系樹脂発泡シ−トの製造方法 |
| JPS61101537A (ja) * | 1984-10-23 | 1986-05-20 | Mitsubishi Petrochem Co Ltd | 塗装された熱可塑性樹脂発泡成形体の製造方法 |
| JPH0665698B2 (ja) * | 1987-09-01 | 1994-08-24 | 積水化成品工業株式会社 | ポリオレフィン系樹脂発泡シートの製造方法 |
| US5214075A (en) | 1989-10-06 | 1993-05-25 | Cassella Aktiengesellschaft | Hydrophilic, swellable polymers |
| JPH03252491A (ja) * | 1990-03-01 | 1991-11-11 | Sekisui Chem Co Ltd | 発泡剤 |
| DE4020780C1 (pt) * | 1990-06-29 | 1991-08-29 | Chemische Fabrik Stockhausen Gmbh, 4150 Krefeld, De | |
| US5154713A (en) | 1991-10-22 | 1992-10-13 | Nalco Chemical Company | Enhancing absorption rates of superabsorbents by incorporating a blowing agent |
| US5118719A (en) | 1991-10-22 | 1992-06-02 | Nalco Chemical Company | Enhancing absorption rates of superabsorbents by incorporating a blowing agent |
| EP0664816A1 (en) * | 1992-10-14 | 1995-08-02 | The Dow Chemical Company | Water-absorbent polymer having improved properties |
| IL110134A (en) * | 1993-07-09 | 1998-07-15 | Stockhausen Chem Fab Gmbh | Polymers capable of absorbing aqueous liquids and body fluids their preparation and use |
| US5451613A (en) | 1993-09-17 | 1995-09-19 | Nalco Chemical Company | Superabsorbent polymer having improved absorption rate and absorption under pressure |
| US5314420A (en) * | 1993-09-17 | 1994-05-24 | Nalco Chemical Company | Superabsorbent polymer having improved absorption rate and absorption under pressure |
| JP3488276B2 (ja) * | 1993-12-29 | 2004-01-19 | 丸尾カルシウム株式会社 | 表面改質炭酸カルシウムからなるフェノール樹脂発泡体用発泡剤及びこれを用いたフェノール樹脂発泡体の製造方法 |
| DE19540951A1 (de) | 1995-11-03 | 1997-05-07 | Basf Ag | Wasserabsorbierende, schaumförmige, vernetzte Polymerisate, Verfahren zu ihrer Herstellung und ihre Verwendung |
| DE19601764A1 (de) * | 1996-01-19 | 1997-07-24 | Hoechst Ag | Verfahren zur Herstellung hydrophiler, hochquellfähiger Hydrogele |
| DE69815670T2 (de) | 1997-04-18 | 2004-04-22 | The Procter & Gamble Company, Cincinnati | Verwendung von hydrogelformende polymere in absorbierende materialen zur aufnahme von körperflüssigkeiten |
| US6562879B1 (en) | 1999-02-15 | 2003-05-13 | Nippon Shokubai Co., Ltd. | Water-absorbent resin powder and its production process and use |
| US6514615B1 (en) * | 1999-06-29 | 2003-02-04 | Stockhausen Gmbh & Co. Kg | Superabsorbent polymers having delayed water absorption characteristics |
| AU2002224531B2 (en) | 2000-07-24 | 2005-08-25 | Dow Global Technologies Inc. | Thermoplastic superabsorbent polymer blend compositions and their preparation |
| BR0116621A (pt) * | 2000-12-29 | 2003-12-23 | Basf Ag | Hidrogéis insolúveis em água, intumescìveis em água, composição absorvedora de água, processo para produzir as mesmas, uso de composições absorvedora de água, artigos de higiene, métodos para aperfeiçoar o perfil de desempenho de composições absorvedora de água, e para determinar composições absorvedoras de água, e, uso de hidrogéis insolúveis em água, intumescìvel em água. |
-
2003
- 2003-12-19 US US10/741,271 patent/US7163966B2/en not_active Expired - Lifetime
-
2004
- 2004-12-16 WO PCT/US2004/042299 patent/WO2005063313A1/en not_active Ceased
- 2004-12-16 JP JP2006545439A patent/JP5336704B2/ja not_active Expired - Lifetime
- 2004-12-16 CN CNB2004800364303A patent/CN100443125C/zh not_active Expired - Lifetime
- 2004-12-16 EP EP04814478.6A patent/EP1694372B1/en not_active Expired - Lifetime
- 2004-12-16 BR BRPI0417784-3A patent/BRPI0417784A/pt not_active IP Right Cessation
- 2004-12-17 TW TW093139321A patent/TWI355262B/zh not_active IP Right Cessation
-
2006
- 2006-12-14 US US11/610,749 patent/US7615579B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1694372A1 (en) | 2006-08-30 |
| US7163966B2 (en) | 2007-01-16 |
| JP2007514833A (ja) | 2007-06-07 |
| WO2005063313A1 (en) | 2005-07-14 |
| CN1889987A (zh) | 2007-01-03 |
| JP5336704B2 (ja) | 2013-11-06 |
| TWI355262B (en) | 2012-01-01 |
| US7615579B2 (en) | 2009-11-10 |
| TW200533324A (en) | 2005-10-16 |
| CN100443125C (zh) | 2008-12-17 |
| US20050137546A1 (en) | 2005-06-23 |
| EP1694372B1 (en) | 2017-08-23 |
| US20070088093A1 (en) | 2007-04-19 |
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