KR20180094783A - 고흡수성 수지의 제조 방법 - Google Patents
고흡수성 수지의 제조 방법 Download PDFInfo
- Publication number
- KR20180094783A KR20180094783A KR1020180014095A KR20180014095A KR20180094783A KR 20180094783 A KR20180094783 A KR 20180094783A KR 1020180014095 A KR1020180014095 A KR 1020180014095A KR 20180014095 A KR20180014095 A KR 20180014095A KR 20180094783 A KR20180094783 A KR 20180094783A
- Authority
- KR
- South Korea
- Prior art keywords
- monomer mixture
- oxygen
- aqueous monomer
- polymerization
- superabsorbent resin
- 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
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- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 235000019314 gum ghatti Nutrition 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- MHIBEGOZTWERHF-UHFFFAOYSA-N heptane-1,1-diol Chemical compound CCCCCCC(O)O MHIBEGOZTWERHF-UHFFFAOYSA-N 0.000 description 1
- ACCCMOQWYVYDOT-UHFFFAOYSA-N hexane-1,1-diol Chemical compound CCCCCC(O)O ACCCMOQWYVYDOT-UHFFFAOYSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 229920003063 hydroxymethyl cellulose Polymers 0.000 description 1
- 229940031574 hydroxymethyl cellulose Drugs 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 description 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 235000010494 karaya gum Nutrition 0.000 description 1
- 239000000231 karaya gum Substances 0.000 description 1
- 229940039371 karaya gum Drugs 0.000 description 1
- 235000010420 locust bean gum Nutrition 0.000 description 1
- 239000000711 locust bean gum Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 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
- 238000003801 milling Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- KRTSDMXIXPKRQR-AATRIKPKSA-N monocrotophos Chemical compound CNC(=O)\C=C(/C)OP(=O)(OC)OC KRTSDMXIXPKRQR-AATRIKPKSA-N 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000035699 permeability Effects 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
- 239000002861 polymer material Substances 0.000 description 1
- 229920002451 polyvinyl alcohol 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
- 235000019394 potassium persulphate Nutrition 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- OQCRPPRRCOUOKB-UHFFFAOYSA-N prop-2-enoic acid;styrene Chemical compound OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.C=CC1=CC=CC=C1 OQCRPPRRCOUOKB-UHFFFAOYSA-N 0.000 description 1
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical compound CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 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
- 125000005259 triarylamine group Chemical group 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
Classifications
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
- B01J20/267—Cross-linked polymers
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- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
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- B01J20/28016—Particle form
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3021—Milling, crushing or grinding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3085—Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
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- 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
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
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- C08F6/00—Post-polymerisation treatments
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- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
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Abstract
Description
MEHQ 함량 (ppmw) |
중화액 온도 (℃) |
개시제 | 기체 사용 | 이송 라인 상태 | |
실시예 1 | 100 | 40 | 100 | 대기 | 양호 |
실시예 2 | 200 | 60 | 50 | 대기 | 양호 |
실시예 3 | 100 | 80 | 20 | O2 | 양호 |
비교예 1 | 100 | 40 | 100 | 미투입 | 이송 시작 10분 후, DMS 배출구에 중합물 발생 |
비교예 2 | 0 | 40 | 100 | 대기 | 이송 시작 3분 후, DMS 배출구에 중합물 발생 |
비교예 3 | 200 | 60 | 50 | 미투입 | 이송 시작 2분 후, DMS 배출구에 중합물 발생 |
비교예 4 | 200 | 80 | 20 | 미투입 | 이송 시작 직 후, DMS 배출구에 중합물 발생 |
DO1 (mg/L) |
DO2 (mg/L) |
DO3 (mg/L) |
|
실시예 1 | 3.2 | 7.2 | 0.8 |
실시예 2 | 3.9 | 6.8 | 0.9 |
실시예 3 | 3.0 | 6.4 | 0.7 |
베이스 수지 | 고흡수성 수지 | ||
CRC (g/g) |
CRC (g/g) |
AUP (g/g) |
|
실시예 1 | 40 | 34 | 22 |
실시예 2 | 38 | 34 | 24 |
실시예 3 | 37 | 33 | 26 |
비교예 1 | 40 | 34 | 22 |
비교예 2 | 37 | 33 | 24 |
비교예 3 | 38 | 34 | 24 |
비교예 4 | - | - | - |
Claims (9)
- A) 적어도 일부가 중화된 산성기를 갖는 수용성 에틸렌계 불포화 단량체, 가교제, 및 산소 존재 하에 상기 수용성 에틸렌계 불포화 단량체의 중합을 억제하는 중합 억제제를 포함하는, 수성 단량체 혼합물에 산소를 포함하는 기체를 주입하는 단계;
B) 상기 산소를 포함하는 기체가 주입된 수성 단량체 혼합물을 중합 반응기로 이송하는 단계;
C) 상기 산소를 포함하는 기체가 주입된 수성 단량체 혼합물이 중합 반응기로 투입되기 직전 수성 단량체 혼합물로부터 산소를 제거하는 단계; 및
D) 중합 반응기 내에서, 수용성 에틸렌계 불포화 단량체를 가교 중합하여, 제1 가교 중합체를 포함하는 함수겔 중합체를 형성하는 단계를 포함하는,
고흡수성 수지의 제조 방법.
- 제1항에 있어서,
E) 상기 함수겔 중합체를 건조, 분쇄 및 분급하여 베이스 수지 분말을 형성하는 단계; 및
F) 표면 가교액의 존재 하에, 상기 베이스 수지 분말을 열처리하여 표면 가교하고, 고흡수성 수지 입자를 형성하는 단계를 포함하는,
고흡수성 수지의 제조 방법.
- 제1항에 있어서,
상기 수성 단량체 혼합물은, 40℃ 내지 90℃의 온도 조건에서 중합 반응기로 이송 및 투입되는, 고흡수성 수지의 제조 방법.
- 제1항에 있어서,
상기 A) 단계는, 하기 수학식 1로 표시되는 용존 산소 비율이 1.0보다 크고, 2.5 이하가 되도록 진행되는,
고흡수성 수지의 제조 방법:
[수학식 1]
DO2/DO1
상기 수학식 1에서,
DO1는, 상기 수성 단량체 혼합물에 산소를 포함하는 기체를 주입하기 직전에 측정한, 수성 단량체 혼합물 내 용존 산소량(mg/L)이고,
DO2는, 상기 수성 단량체 혼합물에 산소를 포함하는 기체를 주입한 직후에 측정한, 수성 단량체 혼합물 내 용존 산소량(mg/L)이다.
- 제1항에 있어서,
상기 C) 단계에서는, 상기 수성 단량체 혼합물에 불활성 가스를 주입하여 산소를 제거하는, 고흡수성 수지의 제조 방법.
- 제1항에 있어서,
상기 C) 단계는, 하기 수학식 2로 표시되는 용존 산소 비율이 0.01 내지 0.5 가 되도록 진행되는,
고흡수성 수지의 제조 방법:
[수학식 2]
DO3/DO2
상기 수학식 2에서,
DO2는, 상기 수성 단량체 혼합물에 산소를 포함하는 기체를 주입한 직후에 측정한, 수성 단량체 혼합물 내 용존 산소량(mg/L)이며,
DO3는, 상기 수성 단량체 혼합물로부터 산소를 제거한 직후 측정한, 수성 단량체 혼합물 내 용존 산소량(mg/L)이다.
- 제1항에 있어서,
상기 C) 단계 이후 D) 단계 이전에, 상기 수성 단량체 혼합물에 열 중합 개시제를 투입하는 단계를 더 포함하는,
고흡수성 수지의 제조 방법.
- 제1항에 있어서,
상기 중합 억제제는, 상기 적어도 일부가 중화된 산성기를 갖는 수용성 에틸렌계 불포화 단량체 100 중량부에 대하여 10ppmw 내지 300ppmw로 포함되는, 고흡수성 수지의 제조 방법.
- 제1항에 있어서,
상기 고흡수성 수지는, 원심분리 보수능(CRC)이 30g/g 이상이고, 가압 흡수능(AUP, 0.7psi) 15g/g이상인, 고흡수성 수지의 제조 방법.
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