KR950029284A - Manufacturing method of super absorbent polymer - Google Patents

Manufacturing method of super absorbent polymer Download PDF

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Publication number
KR950029284A
KR950029284A KR1019940007619A KR19940007619A KR950029284A KR 950029284 A KR950029284 A KR 950029284A KR 1019940007619 A KR1019940007619 A KR 1019940007619A KR 19940007619 A KR19940007619 A KR 19940007619A KR 950029284 A KR950029284 A KR 950029284A
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South Korea
Prior art keywords
molecular weight
polymer
sorbitan
polyoxyethylene
small molecular
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KR1019940007619A
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Korean (ko)
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KR0146615B1 (en
Inventor
이해방
신병철
최창규
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강박광
재단법인 한국화학연구소
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Priority to KR1019940007619A priority Critical patent/KR0146615B1/en
Publication of KR950029284A publication Critical patent/KR950029284A/en
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    • 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
    • C08F20/00—Homopolymers and 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
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/04—Acids, Metal salts or ammonium salts thereof
    • C08F20/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • 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
    • C08F2/22—Emulsion polymerisation
    • C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
    • 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
    • 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
    • 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
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • 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

Abstract

본 발명은 고흡수성 수지의 제조방법에 관한 것으로서, 더욱 상세하게는 단량체를 가교 중합하거나 고분자물질을 가교하여 고흡수성 수지를 제조함에 있어서 용출 가능한 작은 분자량의 친수성 물질을 혼입하여 수지중합체를 제조한 다음 이를 용매에 담그어 친수성 물질을 용출시켜 수지내의 미세공간을 제공하므로써 건조체, 수용액 흡수제, 식품 포장재, 의료용 처리재 및 건축·토목재로 유용한 고흡수성 수지의 제조방법에 관한 것이다.The present invention relates to a method of preparing a super absorbent polymer, and more particularly, to prepare a resin polymer by incorporating a small molecular weight elutable hydrophilic material in the preparation of a super absorbent polymer by crosslinking or polymerizing a monomer or crosslinking a polymer material. The present invention relates to a method for preparing a super absorbent polymer useful as a dry body, an aqueous solution absorbent, a food packaging material, a medical treatment material, and a building and civil engineering material by dissolving it in a solvent to elute a hydrophilic substance to provide a microcavity in the resin.

Description

고흡수성 수지의 제조방법Manufacturing method of super absorbent polymer

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (11)

단량체 또는 고분자물질에 작은 분자량의 친수성 물질을 혼입하여 망상구조를 갖는 수지 중합제를 제조한다음, 이를 용매에 담그어 작은 분자량의 친수성 물질을 용출시켜 제조하는 것을 특징으로 하는 고흡수성 수지의 제조방법.A method of producing a superabsorbent polymer, comprising mixing a hydrophilic material having a small molecular weight into a monomer or a polymer and preparing a resin polymer having a network structure, and then dipping the hydrophilic material having a small molecular weight into a solvent. 제1항에 있어서, 상기 용출은 작은 분자량의 친수성 물질을 60% 용출시키는 것임을 특징으로 하는 고흡수성 수지의 제조방법.The method of claim 1, wherein the elution is a method for producing a super absorbent polymer, characterized in that to elute 60% of a small molecular weight hydrophilic material. 제1항에 있어서, 상기 용매는 물, 알콜, 알콜 수용액, 아세톤 수용액, 황산 마그네슘 수용액 또는 소디움 아세테이트 수용액임을 특징으로 하는 고흡수성 수지의 제조방법.The method of claim 1, wherein the solvent is water, an alcohol, an aqueous alcohol solution, an aqueous acetone solution, an aqueous magnesium sulfate solution, or an aqueous sodium acetate solution. 제1항에 있어서, 상기 단량체는 아크릴산, 메타크릴산, 말레인산 무수물, 비닐 아세테이트, 2―아크릴아미도―2―메틸―1―프로판설폰산 및 아크릴로니트릴 중에서 선택된 2종 이상의 것임을 특징으로 하는 고흡수성 수지의 제조방법.The method of claim 1, wherein the monomer is at least two selected from acrylic acid, methacrylic acid, maleic anhydride, vinyl acetate, 2-acrylamido-2-methyl-1-propanesulfonic acid and acrylonitrile. Method for producing a water absorbent resin. 제1항에 있어서, 상기 고분자물질은 폴리아크릴레이트, 폴리비닐알콜, 폴리아크릴로니트릴, 소디움 알긴네이트, 젤라틴, 펙틴 또는 단백질성 펩타이드 결합체임을 특징으로 하는 고흡수성 수지의 제조방법.The method of claim 1, wherein the polymer material is a polyacrylate, polyvinyl alcohol, polyacrylonitrile, sodium alginate, gelatin, pectin, or a protein-based peptide. 제1항에 있어서, 상기 작은 분자량의 친수성 물질은 글리세린, 비이온성 유화제, 이온성 계면활성제 또는 분자량 40,000 이하의 폴리에틸렌글리콜임을 특징으로 하는 고흡수성 수지의 제조방법.The method of claim 1, wherein the small molecular weight hydrophilic material is glycerin, a nonionic emulsifier, an ionic surfactant or polyethylene glycol having a molecular weight of 40,000 or less. 제6항에 있어서, 상기 비이온성 유화제는 솔비탄 모노라우레이트, 솔비탄 모노팔미테이트, 솔비탄 모노스테아레이트, 솔비탄 모노올레이트, 폴리옥시에틸렌(20) 솔비탄 모노라우레이트, 폴리옥시에틸렌(20) 솔비탄모노팔미테이트, 폴리옥시에틸렌(20) 솔비탄 모노스테아레이트 또는 폴리옥시에틸렌(20) 솔비탄 모노올레이트임을 특징으로 하는 고흡수성 수지의 제조방법.The nonionic emulsifier is sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan monooleate, polyoxyethylene (20) sorbitan monolaurate, polyoxyethylene (20) A sorbitan monopalmitate, a polyoxyethylene (20) sorbitan monostearate or a polyoxyethylene (20) sorbitan monooleate. 제6항에 있어서, 상기 이온성 계면활성제는 소디움 도데실 설페이트 또는 인산염임을 특징으로 하는 고흡수성 수지의 제조방법.The method of claim 6, wherein the ionic surfactant is sodium dodecyl sulfate or phosphate. 제1항의 제조방법을 이용하여 제조된 시트상의 고흡수성 수지.A sheet-like superabsorbent polymer prepared using the method of claim 1. 제1항의 제조방법을 이용하여 제조된 분말상의 고흡수성 수지.A powdery superabsorbent polymer prepared using the method of claim 1. 제1항의 제조방법을 이용하여 제조된 섬유상의 고흡수성 수지.Fibrous superabsorbent polymer prepared using the method of claim 1. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019940007619A 1994-04-12 1994-04-12 The method for preparing high absorbent resin KR0146615B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100453185B1 (en) * 2001-11-24 2004-10-15 이은규 Method for producing protein-polymer conjugate with solid-phase column

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101036664B1 (en) * 2009-02-19 2011-05-25 웅진케미칼 주식회사 High absorbent structure and maunfacture method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100453185B1 (en) * 2001-11-24 2004-10-15 이은규 Method for producing protein-polymer conjugate with solid-phase column

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