ES2051889T3 - Copolimero de estireno y semiester del acido maleico asi como su empleo como diluyente de cementos. - Google Patents

Copolimero de estireno y semiester del acido maleico asi como su empleo como diluyente de cementos.

Info

Publication number
ES2051889T3
ES2051889T3 ES88810573T ES88810573T ES2051889T3 ES 2051889 T3 ES2051889 T3 ES 2051889T3 ES 88810573 T ES88810573 T ES 88810573T ES 88810573 T ES88810573 T ES 88810573T ES 2051889 T3 ES2051889 T3 ES 2051889T3
Authority
ES
Spain
Prior art keywords
well
semiester
cements
employment
thinner
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.)
Expired - Lifetime
Application number
ES88810573T
Other languages
English (en)
Inventor
Salvatore Valenti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandoz AG
Original Assignee
Sandoz AG
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
Priority claimed from DE19873728786 external-priority patent/DE3728786A1/de
Application filed by Sandoz AG filed Critical Sandoz AG
Application granted granted Critical
Publication of ES2051889T3 publication Critical patent/ES2051889T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/14—Esterification
    • 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
    • C04B24/2664—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of ethylenically unsaturated dicarboxylic acid polymers, e.g. maleic anhydride copolymers
    • C04B24/267—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of ethylenically unsaturated dicarboxylic acid polymers, e.g. maleic anhydride copolymers 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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • 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
    • C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Macromonomer-Based Addition Polymer (AREA)

Abstract

LA PATENTE AFECTA A NUEVOS COPOLIMEROS, COMO ACIDOS LIBRES O EN FORMA DE SAL, CON UNIDADES RECURRENTES A LA **FORMULA** EN LA QUE R ES UN RESTO DE C2-6-ALQUILENO, R1 ES UN GRUPO C1-20-ALQUILO, C6-9CICLOALQUILO O FENILO, X, Y Y Z SON CIFRAS DE 0.01 A 100, M ES UNA CIFRA DE 1 A 100, Y N ES UNA CIFRA DE 10 A 100, DONDE 1) LA PROPORCION DE X A (Y + Z) ES DE 1:10 A 10:1, 2)LA PROPORCION Z:Y ES DE 3:1 Y 3) M + N = 15 A 100, ASI COMO EL PROCESO DE PRODUCCION, PROCESO PARA MEJORA DEL VALOR DE FLUIDEZ DE MEZCLAS DE CEMENTO CON ESTOS COPOLIMEROS COMO ADITAMENTO Y LAS MEZCLAS DE CEMENTO QUE CONTIENEN ESTA CLASE DE POLIMEROS COMO ADITAMENTO.
ES88810573T 1987-08-28 1988-08-22 Copolimero de estireno y semiester del acido maleico asi como su empleo como diluyente de cementos. Expired - Lifetime ES2051889T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873728786 DE3728786A1 (de) 1987-08-28 1987-08-28 Polymere verbindungen, deren herstellung und verwendung
DE3800091A DE3800091A1 (de) 1987-08-28 1988-01-05 Copolymere verbindungen, deren herstellung und verwendung

Publications (1)

Publication Number Publication Date
ES2051889T3 true ES2051889T3 (es) 1994-07-01

Family

ID=25859136

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88810573T Expired - Lifetime ES2051889T3 (es) 1987-08-28 1988-08-22 Copolimero de estireno y semiester del acido maleico asi como su empleo como diluyente de cementos.

Country Status (9)

Country Link
US (1) US5158996A (es)
EP (1) EP0306449B1 (es)
JP (1) JPH0759613B2 (es)
AU (1) AU607534B2 (es)
CA (1) CA1337005C (es)
DE (2) DE3800091A1 (es)
ES (1) ES2051889T3 (es)
FI (1) FI883950A7 (es)
HK (1) HK132297A (es)

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Also Published As

Publication number Publication date
JPH0759613B2 (ja) 1995-06-28
AU2158588A (en) 1989-03-02
EP0306449B1 (de) 1994-03-02
JPH0192212A (ja) 1989-04-11
AU607534B2 (en) 1991-03-07
EP0306449A2 (de) 1989-03-08
FI883950A7 (fi) 1989-03-01
CA1337005C (en) 1995-09-12
HK132297A (en) 1997-10-03
US5158996A (en) 1992-10-27
FI883950A0 (fi) 1988-08-26
DE3800091A1 (de) 1989-07-13
DE3888054D1 (de) 1994-04-07
EP0306449A3 (en) 1989-05-17

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