CN1122067C - 可加工性改进的超吸收性能聚合物 - Google Patents
可加工性改进的超吸收性能聚合物 Download PDFInfo
- Publication number
- CN1122067C CN1122067C CN98804678A CN98804678A CN1122067C CN 1122067 C CN1122067 C CN 1122067C CN 98804678 A CN98804678 A CN 98804678A CN 98804678 A CN98804678 A CN 98804678A CN 1122067 C CN1122067 C CN 1122067C
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- aqueous solution
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- additive aqueous
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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
- C08J3/12—Powdering or granulating
-
- 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
- C08J3/12—Powdering or granulating
- C08J3/124—Treatment for improving the free-flowing characteristics
-
- 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
- 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
-
- 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
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels
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- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
实施例序号 | 水(%) | 盐水(%)(20%NaCl) | VORANOL*(ppm) | 聚集体(%>0.8mm) | 聚集体稳定性1 | CC(g/g) | AUL(2100帕)(g/g) | AUL(4100帕)(g/g) | AUL(6900帕)(g/g) |
进料聚合物1 | 33.0 | 28.4 | 21.5 | 9.5 | |||||
对比实例A | 2 | - | - | 14.7 | 非常稳定 | 28.5 | 17.2 | 10.0 | |
1 | - | 2.5 | - | 23.5 | 易碎 | 32.6 | 28.6 | 20.1 | 9.2 |
2 | - | 4.5 | - | 95.5 | 轻度易碎 | 33.8 | 未检测 | 20.0 | 未检测 |
3 | 4.0 | - | 1500 | 43.2 | 易碎 | 31.4 | 未检测 | 21.7 | 未检测 |
4 | - | 4.5 | 1500 | 19.8 | 易碎 | 31.1 | 未检测 | 20.6 | 未检测 |
5 | 6.0 | - | 1500 | 89.1 | 易碎 | 30.7 | 未检测 | 21.0 | 未检测 |
6 | - | 7.5 | 1500 | 39.7 | 易碎 | 30.8 | 未检测 | 0.1 | 未检测 |
实施例序号 | 水(%) | 盐水(%)(20%NaCl) | AlCl3·6H2O(ppm) | 聚 集 体(%>0.8mm) | CC(g/g) | AUL(2100帕)(g/g) | AUL(4100帕)(g/g) | AUL(6900帕)(g/g) |
进料聚合物2 | 29.7 | 20.7 | 9.4 | 8.0 | ||||
7 | 5 | - | 1000 | 63.7 | 27.6 | 25.5 | 17.4 | 9.3 |
8 | - | 6.25 | 1000 | 18.4 | 27.3 | 24.5 | 16.4 | 9.2 |
9 | - | 3.125 | 2000 | 7.4 | 24.8 | 24.0 | 18.8 | 11.4 |
实施例/对比实例序号 | 水(%) | 盐水(%)(20%NaCl) | VORANOL(ppm) | 双螺杆运输器 | 聚集体(%>0.8mm) | CC(g/g) | AUL(2100帕)(g/g) | AUL(4100帕)(g/g) | AUL(6900帕)(g/g) |
10 | - | 2.5 | 500 | 否 | 未检测1 | 28.1 | 28.2 | 22.3 | 17.5 |
11 | - | 2.5 | 500 | 是 | 0.2 | 27.5 | 28.3 | 23.2 | 17.0 |
C | 0.7 | 是 | 1.4 | 28.8 | 28.5 | 22.9 | 17.3 | ||
12 | 2.0 | - | 500 | 是 | 0.5 | 35.3 | 30.5 | 19.5 | 11.6 |
13 | - | 3.4 | 500 | 是 | 1.1 | 30.4 | 29.1 | 21.9 | 15.6 |
B | 0.7 | - | - | 是 | 1.8 | 34.2 | 32.4 | 23.9 | 12.1 |
实施例# | 进料聚合物6 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
多元醇(ppm) | - | 650 | 1950 | 650 | 650 | - | - | - |
NaCl(ppm) | - | - | - | - | 10400 | - | ||
Na2SO4(ppm) | - | - | - | 10500 | - | - | - | |
Al3+(ppm) | - | - | - | - | - | 540 | 1270 | 2120 |
CC(g/g) | 36.5 | 34.1 | 32.8 | 31.4 | 32.1 | |||
AUL2100帕(g/g) | 33.7 | 29.6 | 27.5 | 25.6 | 25.3 | |||
AUL4100帕(g/g) | 21.5 | 18.1 | 16.9 | 14.7 | 15.7 | |||
AUL6200帕(g/g) | 12.7 | 11.9 | 11.2 | 11.5 | 10.3 | |||
水分含量(%)此水分含量下Rathole指数超出30.48cm(1英尺) | 2 | 4 | 4 | 6 | 4 | 5 | 6 | >10 |
实施例# | 21 | 22 | 23 | 24 |
加入的水分(%,以湿基计) | 1.33 | 1.79 | 1.84 | 1.86 |
液流速度(ml/min.) | 61 | 85.7 | 87 | 90.4 |
多元醇(ppm,以干基计) | 0 | 630 | 0 | 650 |
Al3+(ppm,以干基计) | 0 | 0 | 985 | 1000 |
过大粒度(高于800微米,%) | 1.05 | 0.02 | 0.02 | 0 |
CC(g/g) | 25.3 | 27.1 | 27.9 | 28.4 |
AUL 2100帕(g/g) | 28.2 | 28.1 | 27.7 | 27.1 |
AUL 4100帕(g/g) | 23.3 | 24.6 | 22.4 | 20.6 |
AUL 6200帕(g/g) | 18.1 | 19.5 | 17.2 | 13.6 |
实施例 | 进料聚合物8 | 25 | 26 |
水(%,基于固体) | 7.5 | 7.5 | |
GAPE1(ppm,基于固体) | 1000 | 1000 | |
DOWANOL*-TPM(%,基于固体) | 1.5 | 1.5 | |
NaCl(%,基于固体) | 0 | 1.5 | |
CC(g/g) | 36.3 | 39.8 | 37.3 |
AUL4100帕 (g/g) | 7.7 | 21.3 | 25.5 |
AUL6900帕 (g/g) | 8.0 | 10.4 | 13 |
实施例 | 进料聚合物8 | 27 | 28 | 29 | 30 |
水(%,基于固体) | - | 4 | 4 | 4 | 4 |
NaCl(%,基于固体) | - | - | 1 | - | 1 |
丙三醇(ppm,基于固体) | - | 3000 | 3000 | 3000 | 3000 |
热处理(min.) | - | 5 | 5 | 10 | 10 |
CC(g/g) | 41.3 | 36.0 | 31.3 | 31.5 | 29.9 |
AUL2100帕(g/g) | 10.2 | 26.0 | 27.3 | 29.1 | 26.2 |
AUL4100帕(g/g) | 7.3 | 18.7 | 20.5 | 21.1 | 21.2 |
AUL6200帕(g/g) | 4.4 | 11.9 | 17.4 | 15.4 | 18.1 |
Claims (15)
Applications Claiming Priority (2)
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US4441797P | 1997-04-29 | 1997-04-29 | |
US60/044,417 | 1997-04-29 |
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CN1254354A CN1254354A (zh) | 2000-05-24 |
CN1122067C true CN1122067C (zh) | 2003-09-24 |
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US (1) | US6323252B1 (zh) |
EP (1) | EP0979250B1 (zh) |
JP (1) | JP4271736B2 (zh) |
KR (1) | KR100639053B1 (zh) |
CN (1) | CN1122067C (zh) |
DE (1) | DE69823179T2 (zh) |
TW (1) | TW491874B (zh) |
WO (1) | WO1998049221A1 (zh) |
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JP2020125472A (ja) * | 2019-02-04 | 2020-08-20 | Sdpグローバル株式会社 | 吸水性樹脂粒子及びその製造方法 |
KR102616889B1 (ko) * | 2019-09-30 | 2023-12-21 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
JP7371956B2 (ja) * | 2019-09-30 | 2023-10-31 | エルジー・ケム・リミテッド | 高吸水性樹脂の製造方法 |
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- 1998-03-05 DE DE69823179T patent/DE69823179T2/de not_active Expired - Lifetime
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- 1998-03-05 JP JP54708698A patent/JP4271736B2/ja not_active Expired - Lifetime
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TWI582114B (zh) * | 2013-12-11 | 2017-05-11 | Lg化學股份有限公司 | 超吸水性聚合物樹脂及用於製備彼之方法 |
US9937482B2 (en) | 2013-12-11 | 2018-04-10 | Lg Chem, Ltd. | Super absorbent polymer resin and method for preparing same |
Also Published As
Publication number | Publication date |
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KR100639053B1 (ko) | 2006-10-27 |
DE69823179D1 (de) | 2004-05-19 |
JP4271736B2 (ja) | 2009-06-03 |
KR20010020403A (ko) | 2001-03-15 |
US6323252B1 (en) | 2001-11-27 |
TW491874B (en) | 2002-06-21 |
JP2001523287A (ja) | 2001-11-20 |
CN1254354A (zh) | 2000-05-24 |
WO1998049221A1 (en) | 1998-11-05 |
EP0979250B1 (en) | 2004-04-14 |
EP0979250A1 (en) | 2000-02-16 |
DE69823179T2 (de) | 2005-04-21 |
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