RU2005128302A - Гигроскопическая добавка - Google Patents
Гигроскопическая добавка Download PDFInfo
- Publication number
- RU2005128302A RU2005128302A RU2005128302/15A RU2005128302A RU2005128302A RU 2005128302 A RU2005128302 A RU 2005128302A RU 2005128302/15 A RU2005128302/15 A RU 2005128302/15A RU 2005128302 A RU2005128302 A RU 2005128302A RU 2005128302 A RU2005128302 A RU 2005128302A
- Authority
- RU
- Russia
- Prior art keywords
- particles
- hygroscopic
- less
- hygroscopic additive
- additive according
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/245—Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Claims (8)
1. Гигроскопическая добавка, которая представляет собой частицы гигроскопической добавки, содержащей частицы гигроскопической смолы (α) и добавку, улучшающую проницаемость для жидкости, (β), где частицы гигроскопической смолы (α) представляют собой подвергнутые дополнительной обработке, приводящей к образованию сшивок на поверхности, имеющие неправильную форму, тонко измельченные частицы сшитого полимера, образованного из мономера, включающего акриловую кислоту и/или ее соль и частицы имеют среднемассовый диаметр в диапазоне от 234 до 394 мкм, логарифмическое стандартное отклонение (σζ) для распределения частиц по диаметрам в диапазоне от 0,25 до 0,45, впитывающую способность, не меньше, чем 15 г/г, без нагрузки и уровень содержания компонента, экстрагируемого водой, не превышающий 15 мас.%, причем уровень содержания добавки, улучшающей проницаемость для жидкости (β) составляет от 0,01 до 5 мас. ч. на 100 мас. ч. частиц гигроскопической смолы (α).
2. Гигроскопическая добавка по п.1, у которой частицы гигроскопической смолы (а), включенные в гигроскопическую добавку, включают частицы, обладающие пористой структурой.
3. Гигроскопическая добавка по п.1 или 2, которая включает частицы, имеющие диаметры частиц в диапазоне от 100 до 500 мкм, в количестве, не меньшем, чем 80 мас.%, при расчете на количество гигроскопической добавки.
4. Гигроскопическая добавка по п.1 или 2, которая имеет массовое соотношение частицы, характеризующиеся диаметрами частиц, не меньшими, чем 300 мкм/частицы, характеризующиеся диаметрами частиц, меньшими, чем 300 мкм в диапазоне от 80/20 до 20/80.
5. Гигроскопическая добавка по п.1 или 2, которая демонстрирует впитывающую способность за счет капиллярного эффекта, не меньшую, чем 15 г/г, в случае физиологического солевого раствора с концентрацией 0,90 мас.%.
6. Гигроскопическая добавка по п.1 или 2, которая демонстрирует коэффициент проницаемости для потока физиологического раствора, не меньший, чем 50 (10-7·см3·с-1), в случае физиологического солевого раствора с концентрацией 0,69 мас.%.
7. Гигроскопическая добавка по п.1 или 2, у которой впитывающая способность без нагрузки по величине составляет менее 29 г/г.
8. Гигроскопическая добавка по п.1 или 2, у которой добавка, улучшающая проницаемость для жидкости, (β) включает нерастворимые в воде гидрофильные неорганические тонко измельченные частицы и/или растворимую в воде соль поливалентного металла.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003032698 | 2003-02-10 | ||
JP2003-032698 | 2003-02-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2005128302A true RU2005128302A (ru) | 2006-01-27 |
RU2299075C2 RU2299075C2 (ru) | 2007-05-20 |
Family
ID=32844344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2005128302/15A RU2299075C2 (ru) | 2003-02-10 | 2004-02-02 | Гигроскопическая добавка |
Country Status (13)
Country | Link |
---|---|
US (1) | US7638570B2 (ru) |
EP (1) | EP1594556B1 (ru) |
JP (1) | JP2008142714A (ru) |
KR (1) | KR100697944B1 (ru) |
CN (2) | CN100346843C (ru) |
BR (1) | BRPI0407342B8 (ru) |
DE (1) | DE602004005830T2 (ru) |
IN (1) | IN2005CH01828A (ru) |
MX (1) | MX251840B (ru) |
PL (1) | PL215419B1 (ru) |
RU (1) | RU2299075C2 (ru) |
TW (1) | TWI306864B (ru) |
WO (1) | WO2004069915A2 (ru) |
Families Citing this family (194)
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-
2004
- 2004-02-02 WO PCT/JP2004/001007 patent/WO2004069915A2/en active IP Right Grant
- 2004-02-02 PL PL376637A patent/PL215419B1/pl unknown
- 2004-02-02 RU RU2005128302/15A patent/RU2299075C2/ru active
- 2004-02-02 TW TW093102314A patent/TWI306864B/zh not_active IP Right Cessation
- 2004-02-02 BR BRPI0407342A patent/BRPI0407342B8/pt active IP Right Grant
- 2004-02-02 EP EP04707310A patent/EP1594556B1/en not_active Revoked
- 2004-02-02 MX MXPA05008338 patent/MX251840B/es active IP Right Grant
- 2004-02-02 US US10/544,337 patent/US7638570B2/en active Active
- 2004-02-02 CN CNB2004800038889A patent/CN100346843C/zh not_active Expired - Lifetime
- 2004-02-02 KR KR1020057014568A patent/KR100697944B1/ko active IP Right Grant
- 2004-02-02 DE DE602004005830T patent/DE602004005830T2/de not_active Expired - Lifetime
- 2004-02-06 CN CNB2004800038728A patent/CN100418586C/zh not_active Expired - Lifetime
-
2005
- 2005-08-05 IN IN1828CH2005 patent/IN2005CH01828A/en unknown
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2007
- 2007-12-28 JP JP2007340689A patent/JP2008142714A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CN100418586C (zh) | 2008-09-17 |
CN1747751A (zh) | 2006-03-15 |
EP1594556A2 (en) | 2005-11-16 |
WO2004069915A2 (en) | 2004-08-19 |
DE602004005830T2 (de) | 2008-01-10 |
US20060204755A1 (en) | 2006-09-14 |
BRPI0407342B1 (pt) | 2014-02-04 |
RU2299075C2 (ru) | 2007-05-20 |
PL215419B1 (pl) | 2013-12-31 |
DE602004005830D1 (de) | 2007-05-24 |
IN2005CH01828A (ru) | 2007-06-15 |
CN1747752A (zh) | 2006-03-15 |
CN100346843C (zh) | 2007-11-07 |
EP1594556B1 (en) | 2007-04-11 |
MX251840B (es) | 2007-11-26 |
TWI306864B (en) | 2009-03-01 |
JP2008142714A (ja) | 2008-06-26 |
KR20050107415A (ko) | 2005-11-11 |
WO2004069915A3 (en) | 2004-12-09 |
BRPI0407342B8 (pt) | 2021-06-22 |
US7638570B2 (en) | 2009-12-29 |
BRPI0407342A (pt) | 2006-02-14 |
KR100697944B1 (ko) | 2007-03-20 |
TW200427714A (en) | 2004-12-16 |
MXPA05008338A (es) | 2005-11-04 |
PL376637A1 (pl) | 2006-01-09 |
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