KR940006960A - 시멘트용 분산제 - Google Patents

시멘트용 분산제 Download PDF

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Publication number
KR940006960A
KR940006960A KR1019930019694A KR930019694A KR940006960A KR 940006960 A KR940006960 A KR 940006960A KR 1019930019694 A KR1019930019694 A KR 1019930019694A KR 930019694 A KR930019694 A KR 930019694A KR 940006960 A KR940006960 A KR 940006960A
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KR
South Korea
Prior art keywords
monomer
cement
formula
water
following formula
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KR1019930019694A
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English (en)
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KR960004379B1 (ko
Inventor
미츠오 키노시타
요시마사 미우라
타케시 아라시마
Original Assignee
다케모토 타이이치
다케모토 유시 가부시키가이샤
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Publication of KR940006960A publication Critical patent/KR940006960A/ko
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Publication of KR960004379B1 publication Critical patent/KR960004379B1/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/16—Sulfur-containing compounds
    • 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
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/16—Sulfur-containing compounds
    • C04B24/161—Macromolecular compounds comprising sulfonate or sulfate groups
    • C04B24/163—Macromolecular compounds comprising sulfonate or sulfate groups obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/165—Macromolecular compounds comprising sulfonate or sulfate groups obtained by reactions only involving carbon-to-carbon unsaturated bonds containing polyether side chains
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • 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
    • C04B24/2641—Polyacrylates; Polymethacrylates
    • C04B24/2647—Polyacrylates; Polymethacrylates containing polyether side chains
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • 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
    • C04B24/2688—Copolymers containing at least three different monomers
    • C04B24/2694—Copolymers containing at least three different monomers containing polyether side chains
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/40—Surface-active agents, dispersants
    • C04B2103/408—Dispersants

Landscapes

  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)

Abstract

본 발명은, 고강도 시멘트 배함물을 조제할 경우, 특히 초고강도 시멘트 배합물을 조제할 경우에, 이들의 시멘트 배함물에 높은 유동성을 부여하고, 슬럼프로스도 낮아 작업성 및 시공성이 좋고 고품질의 고강도 내지 초고강도 경화제를 얻을 수 있는 시멘트용 분산제를 제공하는 것이다.
본 발명은 특정의 4종 또는 5종의 단량체를 각각 소정의 공중합 비율이 되도록 수계 래디칼 공중합한 수포성 비닐 공중합체로 이루어진 것을 특징으로 한다.

Description

시멘트용 분산제
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (3)

  1. 하기식(1)의 단량체, 하기식(2)의 단량체, 하기식(3)의 단량체 및 하기식(4)의 단량체 및 임의적인 단량체로서 하기식(5)의 단량체를 수계 래디칼 공중합하여 얻어진 수용성 비닐 공중합체이고, 그 수용성 비닐 공중합체를 구성하는 단량체 단위의 비율이 식(1)의 단량체/식 (2)의 단량체/식 (3)의 단량체/식 (4)의 단량체/식 (5)의 단량체=45-65/8-23/3-25/5-25/0-15(몰%)로 나타낸 단량체로 환산한 비율인 수용성 비닐공중합체로 이루어짐을 특징으로 하는 시멘트용 분산제.
    상기식에서, R1,R2,R3,R4및 R6은 H 또는 CH3이고, R5및 R7은 탄소수 1내지 3의 알킬기이며, X는 -S03M2또는 식(6)S03M2유기이고, M1은 알칼리금속, 알카리토금속, 암모늄 또는 유기아민이며, m은 1 내지 30의 정수이고, n은 5 내지 25의 정수이며, M2는 알카리금속, 알카리토금속, 암모늄 또는 유기아민이다.
  2. 제1항에 있어서, 수용성 비닐 공중합체가 수평균 분자량 2000 내지 20000범위의 공중합체인 시멘트용 분산제.
  3. 제1항 또는 제2항에 있어서, 시멘트 또는 시멘트와 비분말 혼화재료와의 혼합물로 구성된 결합재의 단위량이 600 내지 800㎏/m3이고, 물/결합비가 15%이상 25%미만인 콘크리트에 적용되는 시멘트용 분산제.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930019694A 1992-09-30 1993-09-24 시멘트용 분산제 KR960004379B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP28676392 1992-09-30
JP286763/92 1992-09-30
JP5238741A JP2628486B2 (ja) 1992-09-30 1993-08-30 セメント用分散剤
JP238741/93 1993-08-30

Publications (2)

Publication Number Publication Date
KR940006960A true KR940006960A (ko) 1994-04-26
KR960004379B1 KR960004379B1 (ko) 1996-04-02

Family

ID=26533863

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930019694A KR960004379B1 (ko) 1992-09-30 1993-09-24 시멘트용 분산제

Country Status (6)

Country Link
US (1) US5362829A (ko)
EP (1) EP0590983B1 (ko)
JP (1) JP2628486B2 (ko)
KR (1) KR960004379B1 (ko)
CA (1) CA2107267C (ko)
DE (1) DE69306717T2 (ko)

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Also Published As

Publication number Publication date
CA2107267A1 (en) 1994-03-31
DE69306717T2 (de) 1997-05-15
EP0590983A1 (en) 1994-04-06
KR960004379B1 (ko) 1996-04-02
DE69306717D1 (de) 1997-01-30
EP0590983B1 (en) 1996-12-18
JPH06206750A (ja) 1994-07-26
JP2628486B2 (ja) 1997-07-09
CA2107267C (en) 1999-12-28
US5362829A (en) 1994-11-08

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