CA1228080A - Additifs a base de derives d'acide aminomethylenephosphonique pour retarder la prise du ciment - Google Patents

Additifs a base de derives d'acide aminomethylenephosphonique pour retarder la prise du ciment

Info

Publication number
CA1228080A
CA1228080A CA000457393A CA457393A CA1228080A CA 1228080 A CA1228080 A CA 1228080A CA 000457393 A CA000457393 A CA 000457393A CA 457393 A CA457393 A CA 457393A CA 1228080 A CA1228080 A CA 1228080A
Authority
CA
Canada
Prior art keywords
cement
iii
formula
salts
carbon atoms
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
Application number
CA000457393A
Other languages
English (en)
Inventor
Druce K. Crump
David A. Wilson
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Priority to CA000457393A priority Critical patent/CA1228080A/fr
Application granted granted Critical
Publication of CA1228080A publication Critical patent/CA1228080A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Curing Cements, Concrete, And Artificial Stone (AREA)
CA000457393A 1984-06-26 1984-06-26 Additifs a base de derives d'acide aminomethylenephosphonique pour retarder la prise du ciment Expired CA1228080A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000457393A CA1228080A (fr) 1984-06-26 1984-06-26 Additifs a base de derives d'acide aminomethylenephosphonique pour retarder la prise du ciment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000457393A CA1228080A (fr) 1984-06-26 1984-06-26 Additifs a base de derives d'acide aminomethylenephosphonique pour retarder la prise du ciment

Publications (1)

Publication Number Publication Date
CA1228080A true CA1228080A (fr) 1987-10-13

Family

ID=4128172

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000457393A Expired CA1228080A (fr) 1984-06-26 1984-06-26 Additifs a base de derives d'acide aminomethylenephosphonique pour retarder la prise du ciment

Country Status (1)

Country Link
CA (1) CA1228080A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114685797A (zh) * 2020-12-31 2022-07-01 南京博特新材料有限公司 一种含羧基和膦酸基的减水剂及其制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114685797A (zh) * 2020-12-31 2022-07-01 南京博特新材料有限公司 一种含羧基和膦酸基的减水剂及其制备方法
CN114685797B (zh) * 2020-12-31 2023-08-08 南京博特新材料有限公司 一种含羧基和膦酸基的减水剂及其制备方法

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