DE3005896C2 - - Google Patents

Info

Publication number
DE3005896C2
DE3005896C2 DE3005896A DE3005896A DE3005896C2 DE 3005896 C2 DE3005896 C2 DE 3005896C2 DE 3005896 A DE3005896 A DE 3005896A DE 3005896 A DE3005896 A DE 3005896A DE 3005896 C2 DE3005896 C2 DE 3005896C2
Authority
DE
Germany
Prior art keywords
cement
concrete
calcium nitrite
concrete composition
corrosion
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 - Fee Related
Application number
DE3005896A
Other languages
German (de)
English (en)
Other versions
DE3005896A1 (de
Inventor
Arnold Morry Potomac Md. Us Rosenberg
James Michael Ellicott City Md. Us Gaidis
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.)
WR Grace and Co Conn
Original Assignee
WR Grace and Co Conn
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 WR Grace and Co Conn filed Critical WR Grace and Co Conn
Publication of DE3005896A1 publication Critical patent/DE3005896A1/de
Application granted granted Critical
Publication of DE3005896C2 publication Critical patent/DE3005896C2/de
Granted legal-status Critical Current

Links

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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/38—Fibrous materials; Whiskers
    • C04B14/48—Metal
    • 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
    • C04B22/08—Acids or salts thereof
    • C04B22/085—Acids or salts thereof containing nitrogen in the anion, e.g. nitrites
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/06—Quartz; Sand
    • 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
    • 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
    • C04B2103/60—Agents for protection against chemical, physical or biological attack
    • C04B2103/61—Corrosion inhibitors
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Rod-Shaped Construction Members (AREA)
DE19803005896 1979-03-06 1980-02-16 Betonmischung Granted DE3005896A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1808579A 1979-03-06 1979-03-06

Publications (2)

Publication Number Publication Date
DE3005896A1 DE3005896A1 (de) 1980-09-18
DE3005896C2 true DE3005896C2 (enrdf_load_stackoverflow) 1990-08-23

Family

ID=21786154

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803005896 Granted DE3005896A1 (de) 1979-03-06 1980-02-16 Betonmischung

Country Status (22)

Country Link
JP (1) JPS55154368A (enrdf_load_stackoverflow)
AR (1) AR227388A1 (enrdf_load_stackoverflow)
AT (1) AT379364B (enrdf_load_stackoverflow)
AU (1) AU528193B2 (enrdf_load_stackoverflow)
BE (1) BE882110A (enrdf_load_stackoverflow)
BR (1) BR8001250A (enrdf_load_stackoverflow)
CH (1) CH645872A5 (enrdf_load_stackoverflow)
DE (1) DE3005896A1 (enrdf_load_stackoverflow)
DK (1) DK157918C (enrdf_load_stackoverflow)
FI (1) FI800677A7 (enrdf_load_stackoverflow)
FR (1) FR2460901B1 (enrdf_load_stackoverflow)
GB (1) GB2044241A (enrdf_load_stackoverflow)
HK (1) HK67483A (enrdf_load_stackoverflow)
IT (1) IT1193258B (enrdf_load_stackoverflow)
MX (1) MX154260A (enrdf_load_stackoverflow)
MY (1) MY8400341A (enrdf_load_stackoverflow)
NL (1) NL8001206A (enrdf_load_stackoverflow)
NO (1) NO151544C (enrdf_load_stackoverflow)
NZ (1) NZ192963A (enrdf_load_stackoverflow)
SE (1) SE452454B (enrdf_load_stackoverflow)
SG (1) SG48783G (enrdf_load_stackoverflow)
ZA (1) ZA801164B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398959A (en) * 1981-04-15 1983-08-16 W. R. Grace & Co. Mortar topping with calcium nitrite
US4466834A (en) * 1983-01-03 1984-08-21 W. R. Grace & Co. Corrosion inhibiting additive for cement compositions
JPS60204683A (ja) * 1984-03-29 1985-10-16 株式会社小野田 無機質材中の鋼材を防錆する方法
US4829107A (en) * 1988-02-24 1989-05-09 W. R. Grace & Co.-Conn. Rice hull ash concrete admixture
JP4916648B2 (ja) * 2004-07-02 2012-04-18 電気化学工業株式会社 防錆処理方法
EP2371781B1 (en) 2008-11-28 2013-09-18 Arturo Solis Herrera Cement mixture with significantly improved physico-chemical and bacteriological properties that contains dopamelanin as an additive

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427175A (en) * 1965-06-14 1969-02-11 Grace W R & Co Accelerator for portland cement
IT1076068B (it) * 1976-06-28 1985-04-22 Grace W R & Co Composizione per proteggere dalla corrosione metallo in strutture a base di calcestruzzo,e metodo di suo impiego

Also Published As

Publication number Publication date
GB2044241A (en) 1980-10-15
IT1193258B (it) 1988-06-15
HK67483A (en) 1983-12-23
AU5611980A (en) 1980-09-11
NZ192963A (en) 1982-05-25
GB2044241B (enrdf_load_stackoverflow)
SE452454B (sv) 1987-11-30
SG48783G (en) 1984-07-27
ZA801164B (en) 1981-03-25
ATA124180A (de) 1985-05-15
NO151544B (no) 1985-01-14
IT8019984A0 (it) 1980-02-18
CH645872A5 (de) 1984-10-31
DK157918C (da) 1990-08-13
SE8001745L (enrdf_load_stackoverflow)
JPH0228532B2 (enrdf_load_stackoverflow) 1990-06-25
DE3005896A1 (de) 1980-09-18
BR8001250A (pt) 1980-12-23
BE882110A (fr) 1980-07-01
MX154260A (es) 1987-06-29
NL8001206A (nl) 1980-09-09
FR2460901A1 (fr) 1981-01-30
DK94780A (da) 1980-09-07
DK157918B (da) 1990-03-05
FI800677A7 (fi) 1981-01-01
FR2460901B1 (fr) 1985-12-27
NO800637L (no) 1980-09-08
JPS55154368A (en) 1980-12-01
AR227388A1 (es) 1982-10-29
AU528193B2 (en) 1983-04-21
NO151544C (no) 1985-05-02
MY8400341A (en) 1984-12-31
AT379364B (de) 1985-12-27

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: W.R. GRACE & CO.-CONN., NEW YORK, N.Y., US

8128 New person/name/address of the agent

Representative=s name: FRHR. VON UEXKUELL, J., DIPL.-CHEM. DR.RER.NAT. GR

D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: STOLBERG-WERNIGERODE, GRAF ZU, U., DIPL.-CHEM. DR.RER.NAT. SUCHANTKE, J., DIPL.-ING. HUBER, A., DIPL.-ING. KAMEKE, VON, A., DIPL.-CHEM. DR.RER.NAT. VOELKER, I., DIPL.-BIOL. FRANCK, P., DIPL.-CHEM.ETH DR.SC.TECHN., PAT.-ANWAELTE, 2000 HAMBURG

8339 Ceased/non-payment of the annual fee