KR102039052B1 - 고흡수성 수지의 제조 방법 - Google Patents
고흡수성 수지의 제조 방법 Download PDFInfo
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- KR102039052B1 KR102039052B1 KR1020180101221A KR20180101221A KR102039052B1 KR 102039052 B1 KR102039052 B1 KR 102039052B1 KR 1020180101221 A KR1020180101221 A KR 1020180101221A KR 20180101221 A KR20180101221 A KR 20180101221A KR 102039052 B1 KR102039052 B1 KR 102039052B1
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- South Korea
- Prior art keywords
- polymerization
- polymer
- super absorbent
- solvent
- crosslinking agent
- Prior art date
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- 238000006116 polymerization reaction Methods 0.000 claims abstract description 15
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- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- CQDGTJPVBWZJAZ-UHFFFAOYSA-N monoethyl carbonate Chemical compound CCOC(O)=O CQDGTJPVBWZJAZ-UHFFFAOYSA-N 0.000 description 1
- LSHROXHEILXKHM-UHFFFAOYSA-N n'-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCNCCN LSHROXHEILXKHM-UHFFFAOYSA-N 0.000 description 1
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 1
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- FAQJJMHZNSSFSM-UHFFFAOYSA-N phenylglyoxylic acid Chemical compound OC(=O)C(=O)C1=CC=CC=C1 FAQJJMHZNSSFSM-UHFFFAOYSA-N 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- VPYJNCGUESNPMV-UHFFFAOYSA-N triallylamine Chemical compound C=CCN(CC=C)CC=C VPYJNCGUESNPMV-UHFFFAOYSA-N 0.000 description 1
- XHGIFBQQEGRTPB-UHFFFAOYSA-N tris(prop-2-enyl) phosphate Chemical compound C=CCOP(=O)(OCC=C)OCC=C XHGIFBQQEGRTPB-UHFFFAOYSA-N 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
Classifications
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/18—Suspension polymerisation
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
-
- 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
- C08F6/00—Post-polymerisation treatments
- C08F6/24—Treatment of polymer suspensions
-
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
흡수율 (g/g) | 보수능 (g/g) | 가압흡수능 (g) | 휘발성분 (ppm) | |
실시예 1 | 72 | 38 | 28 | N.D |
실시예 2 | 70 | 38 | 27 | N.D |
실시예 3 | 70 | 37 | 27 | N.D |
실시예 4 | 71 | 37 | 28 | N.D |
비교예 1 | 57 | 32 | 21 | 110 |
비교예 2 | 56 | 31 | 22 | 150 |
Claims (10)
2) 용매로 가압 액체를 사용하고, 여기에 계면활성제를 첨가하고, 상기 단량체 용액을 혼합하여 역상현탁 중합을 진행하는 단계;
3) 중합 후 겔상 중합체를 건조하는 단계;를 포함하고,
여기서,
상기 가압 액체는 분산매로 사용되고,
상기 가압 액체는 압력 10 ~ 15 kgf/cm2의 부탄, 이소부탄 또는 프로판인 것을 특징으로 하는,
고흡수성 수지의 제조 방법.
상기 단계 1)에서 중화제의 첨가량은 수용성 에틸렌계 불포화 단량체에 대하여 25 내지 50 중량%인 것을 특징으로 하는 고흡수성 수지의 제조 방법.
상기 단계 1)에서 가교제의 첨가량은 수용성 에틸렌계 불포화 단량체에 대하여 0.001 내지 1 중량%인 것을 특징으로 하는 고흡수성 수지의 제조 방법.
상기 단계 1)에서 중합 개시제의 첨가량은 수용성 에틸렌계 불포화 단량체에 대하여 0.001 내지 1 중량%인 것을 특징으로 하는 고흡수성 수지의 제조 방법.
상기 단계 3)에서 건조는 100 내지 180℃에서 0.5 내지 3시간 동안 건조하는 것을 특징으로 하는 고흡수성 수지의 제조 방법.
상기 단계 3) 이후에, 고흡수성 수지 입자를 표면 가교제 또는 표면 가교제와 용매의 혼합물과 혼합한 후 열처리하여 표면 가교시키는 단계를 더 포함하는 것을 특징으로 하는 고흡수성 수지의 제조 방법.
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Citations (2)
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KR20160017649A (ko) * | 2014-07-11 | 2016-02-16 | 스미토모 세이카 가부시키가이샤 | 흡수성 수지의 제조방법, 흡수성 수지, 흡수제, 흡수성 물품 |
JP2018030991A (ja) * | 2016-08-22 | 2018-03-01 | 三洋化成工業株式会社 | 吸収性樹脂粒子の製造方法 |
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Patent Citations (2)
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KR20160017649A (ko) * | 2014-07-11 | 2016-02-16 | 스미토모 세이카 가부시키가이샤 | 흡수성 수지의 제조방법, 흡수성 수지, 흡수제, 흡수성 물품 |
JP2018030991A (ja) * | 2016-08-22 | 2018-03-01 | 三洋化成工業株式会社 | 吸収性樹脂粒子の製造方法 |
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