KR19980064528A - 시멘트 분산제, 시멘트 분산제용 폴리카복실산의 제조방법 및시멘트 조성물 - Google Patents
시멘트 분산제, 시멘트 분산제용 폴리카복실산의 제조방법 및시멘트 조성물 Download PDFInfo
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- KR19980064528A KR19980064528A KR1019970072669A KR19970072669A KR19980064528A KR 19980064528 A KR19980064528 A KR 19980064528A KR 1019970072669 A KR1019970072669 A KR 1019970072669A KR 19970072669 A KR19970072669 A KR 19970072669A KR 19980064528 A KR19980064528 A KR 19980064528A
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- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/04—Carboxylic acids; Salts, anhydrides or esters thereof
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- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2664—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of ethylenically unsaturated dicarboxylic acid polymers, e.g. maleic anhydride copolymers
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- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C04B24/2647—Polyacrylates; Polymethacrylates containing polyether side chains
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- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
- C08F290/062—Polyethers
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- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2603—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen
- C08G65/2606—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups
- C08G65/2609—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups containing aliphatic hydroxyl groups
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- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/331—Polymers modified by chemical after-treatment with organic compounds containing oxygen
- C08G65/332—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof
- C08G65/3322—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof acyclic
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
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- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/40—Surface-active agents, dispersants
- C04B2103/408—Dispersants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
실시예 7 | 실시예 8 | 비교실시예 5 | ||
사용된 시멘트 분산제용 폴리카복실산 | 시멘트 분산제용 폴리카복실산 (1) | 시멘트 분산제용 폴리카복실산 (2) | 시멘트 분산제용 비교 폴리카복실산 (1) | |
중합율(%) | IPN-35* | 77.8 | 79.8 | 56.7 |
말레산 | 98.9 | 99.9 | 72.0 | |
중량 평균 분자량 | 33,400 | 45,500 | 15,300 | |
부가량(중량%)# | 0.11 | 0.11 | 0.13 | |
유동치(㎜) | 95 | 97 | 97 | |
* IPN-35: 35 몰의 에틸렌 옥사이드가 3-메틸-3-부텐-1-올에 부가된 불포화 알콜# 부가량(중량%): 시멘트에 대한 고형분의 중량% |
실시예 9 | 비교실시예 6 | |
사용된 시멘트 분산제용 폴리카복실산 | 시멘트 분산제용 폴리카복실산 (3) | 시멘트 분산제용 비교 폴리카복실산 (2) |
중량 평균 분자량 | 20,000 | 20,000 |
부가량(중량%)# | 0.13 | 0.13 |
유동치(㎜) | 109 | 103 |
* IPN-35: 35 몰의 에틸렌 옥사이드가 3-메틸-3-부 텐-1-올에 부가된 불포화 알콜# 부가량(중량%): 시멘트에 대한 고형분의 중량% |
Claims (8)
- 알킬렌 옥사이드(alkylene oxide)를 80∼150℃의 범위에서 부가시켜 얻는 폴리알킬렌 글리콜(polyalkylene glycol)을 측쇄(side chain)에 갖는 폴리카복실산(polycarboxylic acid)을 포함하는 시멘트 분산제
- 분자량 분포(molecular weight distribution)에서, 주 피크(main peak)가 존재하지만, 주 피크 보다 큰 분자량에서는 2차 피크(second peak)가 존재하지 않거나, 주 피크 보다 큰 분자량에서는 피크의 영역이 주 피크와 2차 피크의 전체 피크 영역에 대해 8% 이하인 2차 피크가 존재하는 폴리알킬렌 글리콜형 단량체로 이루어진 폴리알킬렌 글리콜형 단량체 단위 및 카복실산형 단량체 단위를 포함하는, 측쇄에 폴리알킬렌 글리콜을 갖는 폴리카복실산을 포함하는 시멘트 분산제
- 80∼155℃의 범위에서 알킬렌 옥사이드가 활성-수소(active-hydrogen)를 함유하는 화합물에 부가되는 것을 특징으로 하는 측쇄에 폴리알킬렌 글리콜을 갖는 시멘트 분산제용 폴리카복실산의 제조방법
- 반복 단위로, 화학식 1로 표시되는 폴리알킬렌 글리콜형 단위 (Ⅰ) 및 화학식 2로 표시되는 디카복실산형 단위 (Ⅱ)로 이루어지는 시멘트 분산제용 폴리카복실산의 제조방법에 있어서, 80∼155℃의 범위에서 화학식 3으로 표시되는 불포화 알콜(B-1)과 C2∼C4의 알킬렌 옥사이드를 부가반응시켜 얻는 폴리알킬렌 글리콜 에테르 형 단량체가 화학식 1의 반복단위를 형성되는 것을 특징으로 하는 시멘트 분산제용 폴리카복실산의 제조방법화학식 1[상기 화학식 1에서,R1내지 R3은 각각 수소 또는 메틸기를 나타내며,R5O 는 1종 또는 2종 이상의 C2∼C4를 갖는 옥시알킬렌기(oxyalkylene)를 나타내는데, 2종 이상의 옥시알킬렌기로 구성되는 경우에는 블록 상태(block state) 또는 불규칙 상태(random state)로 부가될 수 있다.R6는 수소, C1∼C22의 알킬기, 페닐기 또는 C1∼C22의 알킬페닐기를 나타내며, R4는 -CH2-, -(CH2)2- 또는 -C(CH3)2-를 나타내고, P 는 1∼300의 정수를 나타낸다.]화학식 2[상기 화학식 2에서,M1및 M2는 각각 수소, 1가 금속, 2가 금속, 암모늄 또는 유기 아민(organic amine)을 나타내며,X 는 -OM2또는 -Y-(R7O)rR8을 나타내는데, Y 는 -O- 또는 -NH-를 나타낸다.R7O 는 1종 또는 2종 이상의 C2∼C4를 갖는 옥시알킬렌기를 나타내는데, 2종 이상의 옥시알킬렌기로 구성되는 경우에는 블록 상태 또는 불규칙 상태로 부가될 수 있다.R8는 수소, C1∼C22의 알킬기, 페닐기, C1∼C22의 아미노알킬기, C1∼C22의 알킬페닐기 또는 C1∼C22의 히드록시알킬기를 나타내며,r 은 0∼300의 정수이며, -COOM1및 COX 가 각각 결합되어야 하는 탄소원자들 사이의 -COOM1및 COX 기의 자리에 산 무수물기(acid anhydride group; -CO-O-CO-)가 형성될 수 있다.]화학식 3[상기 화학식 3에서,R1내지 R3은 각각 수소 또는 메틸기를 나타내며,R4는 -CH2-,-(CH2)2- 또는 -C(CH3)2-를 나타낸다.]
- 화학식 4로 표시되는 폴리알킬렌 글리콜 에스테르형 단위 (Ⅲ)과 화학식 5로 표시되는 모노카복실산(monocarboxylic acid)형 반복단위 (Ⅳ)를 포함하는 시멘트 분산제용 폴리카복실산의 제조방법에 있어서, 80∼155℃의 범위에서 C2∼C4의 알킬렌 옥사이드와 화학식 7로 표시되는 알콜(B-2)의 부가반응에 의해 얻어지는 화학식 6의 폴리알킬렌 글리콜이 반복단위 (Ⅲ)을 형성케하는 폴리알킬렌 글리콜 에스테르형 단량체를 제조하는데 사용되며, 폴리알킬렌 글리콜 에스테르형 단량체는 화학식 6의 폴리알킬렌 글리콜과 (메타)아크릴산를 에스테르화 반응시키거나 화학식 6의 폴리알킬렌 글리콜과 C1∼C22의 알킬 (메타)아크릴레이트를 에스테르 교환반응시킴으로써 제조되는 것을 특징으로 하는 시멘트 분산용 폴리카복실산의 제조방법화학식 4[상기 화학식 4에서,R9는 수소 또는 메틸기를 나타내며, R10O 는 1종 또는 2종 이상의 C2∼C4를 갖는 옥시알킬렌기를 나타내는데, 2종 이상의 옥시알킬렌기로 구성되는 경우에는 블록 상태 또는 불규칙 상태로 부가될 수 있다.R11은 C1∼C22의 알킬기, 페닐기 또는 C1∼C22의 알킬페닐기를 나타내며,s 는 1∼300의 정수를 나타낸다.]화학식 5[상기 화학식 5에서,R12는 수소 또는 메틸기를 나타내며, M3는 수소, 1가 금속, 2가 금속, 암모늄 또는 유기 아민을 나타낸다.]화학식 6HO-(R10O)s-R11[상기 화학식 6에서,R10O 는 1종 또는 2종 이상의 C2∼C4를 갖는 옥시알킬렌기를 나타내는데, 2종 이상의 옥시알킬렌기로 구성되는 경우에는 블록 상태 또는 불규칙 상태로 부가될 수 있다.R11은 C1∼C22의 알킬기, 페닐기 또는 C1∼C22의 알킬페닐기를 나타내며,s 는 1∼300의 정수를 나타낸다.]화학식 7HO-R11[상기 화학식 7에서,R11은 C1∼C22의 알킬기, 페닐기 또는 C1∼C22의 알킬페닐기를 나타낸다.]
- 제 3항, 4항 또는 5항의 어느 한 항에 있어서, 알킬렌 옥사이드의 부가반응은 염기 촉매하에서 수행하는 것을 특징으로 하는 시멘트 분산제용 폴리카복실산의 제조방법
- 제 3항, 4항, 5항 또는 6항의 제조방법에 의해 얻어지는 시멘트 분산제용 폴리카복실산을 포함하는 시멘트 분산제
- 적어도 물, 시멘트 및 시멘트 분산제로 이루어진 시멘트 조성물에 있어서, 제 1항, 2항 또는 7항의 시멘트 분산제를 포함하는 것을 특징으로 하는 시멘트 조성물
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Cited By (3)
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KR100341965B1 (ko) * | 2000-03-28 | 2002-06-26 | 손진익 | 고분자 중합체로된 시멘트 유동화제 |
KR20040009222A (ko) * | 2002-07-22 | 2004-01-31 | 한국산노프코 주식회사 | 시멘트 및 콘크리트용 혼화제(분산제) |
KR100524383B1 (ko) * | 2002-07-22 | 2005-11-01 | 한국산노프코 주식회사 | 시멘트 및 콘크리트 혼화제(분산제) |
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1997
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- 1997-12-18 DE DE69708256T patent/DE69708256T2/de not_active Revoked
- 1997-12-18 EP EP10009724.5A patent/EP2256097B1/en not_active Expired - Lifetime
- 1997-12-18 EP EP01103329A patent/EP1118598A3/en not_active Withdrawn
- 1997-12-18 EP EP97122407A patent/EP0850895B1/en not_active Revoked
- 1997-12-23 KR KR1019970072669A patent/KR100311620B1/ko not_active IP Right Cessation
- 1997-12-26 BR BR9706469-6A patent/BR9706469A/pt not_active IP Right Cessation
- 1997-12-26 CN CN97126334A patent/CN1081615C/zh not_active Expired - Fee Related
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2000
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100341965B1 (ko) * | 2000-03-28 | 2002-06-26 | 손진익 | 고분자 중합체로된 시멘트 유동화제 |
KR20040009222A (ko) * | 2002-07-22 | 2004-01-31 | 한국산노프코 주식회사 | 시멘트 및 콘크리트용 혼화제(분산제) |
KR100524383B1 (ko) * | 2002-07-22 | 2005-11-01 | 한국산노프코 주식회사 | 시멘트 및 콘크리트 혼화제(분산제) |
Also Published As
Publication number | Publication date |
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CN1189473A (zh) | 1998-08-05 |
BR9706469A (pt) | 1999-10-19 |
DE69708256D1 (de) | 2001-12-20 |
EP1118598A3 (en) | 2004-05-12 |
US6174980B1 (en) | 2001-01-16 |
KR100311620B1 (ko) | 2002-11-27 |
US6388038B1 (en) | 2002-05-14 |
EP2256097A3 (en) | 2011-03-16 |
EP0850895A1 (en) | 1998-07-01 |
DE69708256T2 (de) | 2002-08-14 |
EP2256097B1 (en) | 2013-11-20 |
EP1118598A2 (en) | 2001-07-25 |
EP2256097A2 (en) | 2010-12-01 |
EP0850895B1 (en) | 2001-11-14 |
CN1081615C (zh) | 2002-03-27 |
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