KR890009994A - Method for preparing acrylic acid alkali metal salt polymer having excellent water absorption - Google Patents

Method for preparing acrylic acid alkali metal salt polymer having excellent water absorption Download PDF

Info

Publication number
KR890009994A
KR890009994A KR870014655A KR870014655A KR890009994A KR 890009994 A KR890009994 A KR 890009994A KR 870014655 A KR870014655 A KR 870014655A KR 870014655 A KR870014655 A KR 870014655A KR 890009994 A KR890009994 A KR 890009994A
Authority
KR
South Korea
Prior art keywords
fatty acid
weight
surfactant
alkali metal
amount
Prior art date
Application number
KR870014655A
Other languages
Korean (ko)
Other versions
KR910003869B1 (en
Inventor
김영하
한양규
김수현
지성대
Original Assignee
이정오
한국과학기술원
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 이정오, 한국과학기술원 filed Critical 이정오
Priority to KR1019870014655A priority Critical patent/KR910003869B1/en
Publication of KR890009994A publication Critical patent/KR890009994A/en
Application granted granted Critical
Publication of KR910003869B1 publication Critical patent/KR910003869B1/en

Links

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

내용 없음No content

Description

흡수성이 우수한 아클릴산 알칼리 금속염 고분자의 제조방법Method for preparing alkali metal salt of acrylate having excellent water absorption

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

Claims (18)

아클릴산 및 아클릴산 알칼리 금속염이 40중량% 이상인 고농도 단랑체 수용액을 HLB 값이 3-6인 계면 활성제와 8-15인 계면 활성제가 포함되어 있는 지환족 탄화수소 용매중에 분산 현탁시켜 수용성 라디칼 중합 개시제 존재하에서 역상 현탁 중합법으로 중합하여 가교시킨 다음, 첨가제로서 실리카 또는 셀룰로오스 섬유를 가하는 것을 특징으로 하는 단일 공정으로 흡수능이 우수하고 입자 크기가 균일한 과립상 아클리산 알칼리 금속염 고분자의 제조방법.The presence of a water-soluble radical polymerization initiator is dispersed and suspended in an alicyclic hydrocarbon solvent containing a surfactant having an HLB value of 3-6 and a surfactant of 8-15 by dispersing a high concentration of an aqueous solution of acryl acid and an alkali metal salt of at least 40% by weight. A method for producing a granular acrylate alkali metal salt polymer having excellent water absorption and uniform particle size in a single process, characterized in that it is polymerized and crosslinked by reverse phase suspension polymerization, and then silica or cellulose fibers are added as an additive. 제1항에 있어서, 계면 활정제로서 HLB 값이 3-6인 소르비탄 지방산 에스테르, 글리세릴올레이트, 글리세롤 모노스테아레이트, 또는 에틸렌글리콜모노스테아레이트와 HLB 값이 8-15인 소르비탄모노라우레이트, 폴리옥시에틸렌 소르비탄 지방산 에스테르, 또는 폴리옥시에틸렌 지방산에스테르로부터 각각 선택된 2종 또는 그 이상의 혼합물을 사용하는 방법.The sorbitan fatty acid ester, glyceryl oleate, glycerol monostearate, or ethylene glycol monostearate having an HLB value of 3-6 and sorbitan monolaurate having an HLB value of 8-15 as interfacial glidants. 2, or a mixture of two or more selected from polyoxyethylene sorbitan fatty acid esters, or polyoxyethylene fatty acid esters. 제2항에 있어서, HLB 값이 3-6인 소르비탄 지방산 에스테르의 지방산 성분이 모노스테아르산 또는 모노올레산인 방법.The method of claim 2 wherein the fatty acid component of the sorbitan fatty acid ester having an HLB value of 3-6 is monostearic acid or monooleic acid. 제2항에 있어서, HLB 값이 8-15인 폴리옥시에틸렌소르비탄 지방산 에스테르 또는 폴리옥시에틸렌 지방산 에스테르의 지방산 성분이 모노라우레산, 모노스테아르산, 또는 모노올레산인 방법.The method according to claim 2, wherein the fatty acid component of the polyoxyethylene sorbitan fatty acid ester or polyoxyethylene fatty acid ester having an HLB value of 8-15 is monolauric acid, monostearic acid, or monooleic acid. 제2항에 있어서, HLB 3-6인 계면 활성제와 HLB 8-15인 계면 활성제의 조성이 각각 3-50중량%및 97-50중량%인 방법.The method of claim 2, wherein the composition of the surfactant at HLB 3-6 and the surfactant at HLB 8-15 are 3-50% by weight and 97-50% by weight, respectively. 제2항에 있어서, 계면 활성제의 양이 단량체의 중량의 1-10%인 방법.The method of claim 2 wherein the amount of surfactant is 1-10% of the weight of the monomers. 제1항에 있어서, 지환족 탄화수소 용매로서 시클로헥산을 사용하는 방법.The method of claim 1 wherein cyclohexane is used as the cycloaliphatic hydrocarbon solvent. 제1항에 있어서, 아크릴산 알칼리 금속염으로서 아클릴산나트륨 염을 사용하는 방법.The method of claim 1, wherein the sodium acrylate salt is used as the alkali metal alkali salt. 제1항에 있어서, 아클릴산의 중화도가 50-95 몰%인 방법.The method of claim 1 wherein the degree of neutralization of the acrylic acid is 50-95 mol%. 제1항에 있어서, 수용성 라디칼 중합 개시제로서 과황산칼륨 또는 과황산암모늄을 사용하는 방법.The process according to claim 1, wherein potassium persulfate or ammonium persulfate is used as the water-soluble radical polymerization initiator. 제10항에 있어서, 수용성 라디칼 중합 개시제의 양이 단량체 농도의 0.001-1.0몰%인 방법.The method of claim 10 wherein the amount of water soluble radical polymerization initiator is 0.001-1.0 mol% of monomer concentration. 제1항에 있어서, 중합 온도가 40-75℃인 방법.The process of claim 1 wherein the polymerization temperature is 40-75 ° C. 제1항에 있어서, 가교제로서 에틸렌글리콜디글리시딜에테르 또는 폴리에틸렌글리콜디글리시딜 에테르를 사용하는 방법.The method according to claim 1, wherein ethylene glycol diglycidyl ether or polyethylene glycol diglycidyl ether is used as a crosslinking agent. 제13항에 있어서, 가교제의 디글리시딜에테르 화합물의 양이 단량체 중량의 0.001-2%인 방법.The method according to claim 13, wherein the amount of the diglycidyl ether compound of the crosslinking agent is 0.001-2% of the monomer weight. 제1항에 있어서, 첨가제로서 함수 실리카를 사용하는 방법.The method of claim 1 wherein hydrous silica is used as an additive. 제15항에 있어서, 실리카의 양이 단량체 중량의 0.01-10%인 방법.The method of claim 15, wherein the amount of silica is 0.01-10% of the monomer weight. 제1항에 있어서, 첨가제로서 셀룰로우스 또는 에틸셀룰로오스 섬유를 사용하는 방법.The method of claim 1 wherein cellulose or ethylcellulose fibers are used as additives. 제17항에 있어서, 셀룰로오스 또는 에틸셀룰로오스의 양이 단량체 중량의 0.01-10%인 방법.18. The method of claim 17, wherein the amount of cellulose or ethylcellulose is 0.01-10% of the monomer weight. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870014655A 1987-12-21 1987-12-21 Preparation of alkaly metal arcrylate resin having good absorption KR910003869B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870014655A KR910003869B1 (en) 1987-12-21 1987-12-21 Preparation of alkaly metal arcrylate resin having good absorption

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870014655A KR910003869B1 (en) 1987-12-21 1987-12-21 Preparation of alkaly metal arcrylate resin having good absorption

Publications (2)

Publication Number Publication Date
KR890009994A true KR890009994A (en) 1989-08-05
KR910003869B1 KR910003869B1 (en) 1991-06-15

Family

ID=19267164

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870014655A KR910003869B1 (en) 1987-12-21 1987-12-21 Preparation of alkaly metal arcrylate resin having good absorption

Country Status (1)

Country Link
KR (1) KR910003869B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160103344A (en) * 2015-02-24 2016-09-01 한국과학기술연구원 Filtering unit for water treatment

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100955770B1 (en) * 2009-11-06 2010-04-30 한상철 Composition of dehumidifying agent
KR102086050B1 (en) 2016-12-20 2020-03-06 주식회사 엘지화학 Super absorbent polymer and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160103344A (en) * 2015-02-24 2016-09-01 한국과학기술연구원 Filtering unit for water treatment

Also Published As

Publication number Publication date
KR910003869B1 (en) 1991-06-15

Similar Documents

Publication Publication Date Title
ATE6659T1 (en) PROCESS FOR THE PREPARATION OF AN ALKALINE ACRYLIC POLYMER WITH HIGH ABSORPTION ABILITY FOR SALINE SOLUTIONS AND THE POLYMER PRODUCED THEREBY.
US3247171A (en) Process for hydrolyzing a cross-linked acrylamide polymer and the product thereby
US3931089A (en) Acid compositions comprised of polymeric 2-acrylamido-2-methylpropanesulfonic acid as thickener
KR890006731A (en) How to make absorbent polymer
KR910000802A (en) Manufacturing method of absorbent resin
GB1511908A (en) High hlb latex polymers
US2960486A (en) Polymer composition and method
GB1512325A (en) Water absorbing resin
KR920021583A (en) Process for preparing structural suspension PSA beads
SE7507542L (en) PROCEDURE FOR PREPARING EMULSIONS.
KR900018162A (en) Manufacturing method of super absorbent polymer
GB1413995A (en) Process for producing a polymer suitable for use in oil and water proof compositions
US4306045A (en) Process for producing acrylamide polymers
KR890009994A (en) Method for preparing acrylic acid alkali metal salt polymer having excellent water absorption
US3632542A (en) Film forming copolymers of ethylene vinyl chloride and a vinyl ester and their production
US2504074A (en) Interpolymers of acrylamide and methacrylamide
JPS56103207A (en) Preparation of dried high-molecular weight water-soluble polymer
KR850000476A (en) Bead phase polymer and its preparation method
DE69818426T2 (en) METHOD FOR PRODUCING POLYACRYLAMIDE DISPERSIONS
US3135722A (en) Process for the production of polymers from acrylonitrile
JPS578210A (en) Production of water-absorbing resin
US5132358A (en) Polymer emulsion
GB599429A (en) Improvements in or relating to polymerisation reactions
GB1466064A (en) Production of emulsion polymers
GB658426A (en) Improvements in or relating to a polymerisation process and products resulting therefrom

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19961204

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee