Zinc stabilization with modified acrylamide based polymers and corrosion inhibition derived therefrom
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C09K-003/00
C02F-005/10
출원번호
US-0422386
(1989-10-16)
발명자
/ 주소
Johnson Donald A. (Naperville IL) Hoots John E. (Naperville IL) Fong Dodd W. (Naperville IL) Crucil Guy A. (Bloomingdale IL)
출원인 / 주소
Nalco Chemical Company (Naperville IL 02)
인용정보
피인용 횟수 :
0인용 특허 :
21
초록▼
New zinc stabilizing polymers containing at least 5 mole percent of a monomer represented by the structure: [Figure] wherein: R is independently, at each occurrence, chosen from H and lower (C1-C4) alkyl groups; R′is a hydrocarbonaceous bridging group containing from 1-12 carbon atom; X is chosen fr
New zinc stabilizing polymers containing at least 5 mole percent of a monomer represented by the structure: [Figure] wherein: R is independently, at each occurrence, chosen from H and lower (C1-C4) alkyl groups; R′is a hydrocarbonaceous bridging group containing from 1-12 carbon atom; X is chosen from -SO3M, -OH, -COOM groups or mixtures thereof, M is hydrogen or some other cation species; and n ranges from 1-10, are described. Also, the use of these polymers in combination with zinc salts, and in further combination with phosphate salts, to inhibit corrosion of iron containing metals, and other metals, when these metals are exposed to industrial waters is demonstrated. Deposit control or scale inhibition on these metals exposed to industrial waters is also observed.
대표청구항▼
A corrosion inhibitor composition comprising: (a) a water soluble zinc salt; and (b) a zinc-stabilizing water soluble vinylic polymer having a molecular weight ranging between about 2500 to about 85,000, which polymer contains at least five mole percent of a repeating mer unit represented by the for
A corrosion inhibitor composition comprising: (a) a water soluble zinc salt; and (b) a zinc-stabilizing water soluble vinylic polymer having a molecular weight ranging between about 2500 to about 85,000, which polymer contains at least five mole percent of a repeating mer unit represented by the formula: [Figure] wherein R is chosen, at each occurrence, from the group consisting of hydrogen, methyl and ethyl groups; and R′is a multi-covalent hydrocarbonaceous bridging group containing from 1-12 carbon atoms and which may be linear alkyl, aryl, cyclic and mixtures thereof; and X is chosen from the group consisting of SO3M, OH, COOM, and mixtures thereof; and provided that at least one OH group is presented; and n ranges from one to 10; and M is chosen from the group consisting of hydrogen, metallic cations, protonatial amines, quaternary amines and mixtures thereof; and further provided that the vinylic polymer also contains at least five mole percent of at least one of the mer units chosen from the group consisting of acrylic acid, methacrylic acid, maleic anhydride, maleic acid, acrylamide, methacrylamide, methyl vinyl ether, ethyl vinyl ether, and meleamide, and wherein the weight ratio, a:b, of zinc salt (a) to zinc stabilizing polymer (b) ranges between about 100:1 to 1:100; and further wherein (a) and (b) are combined with an orthophosphate or orthophosphate source (c) such that the weight ratio of a:b:c ranges between about 10:1:1 to about 1:10:100.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (21)
Rose Gerard R. (Park Ridge IL) Kaesler Ralph W. (Schaumburg IL) Fong Dodd W. (Naperville IL), Anionic flocculant for dewatering steel mill sludges.
Boffardi Bennett P. (Bethel Park PA) Cook Michael M. (Boxford MA) Ralston Paul H. (Bethel Park PA), Corrosion inhibition with amine adducts of maleic anhydride polymers.
Meier Daniel A. (Naperville IL) Groshans Michael J. (Lombard IL), Method of preventing corrosion of uncoated aluminum sheet or beverage cans in a brewery pasteurizer water system.
Persinski Leonard J. (Pittsburgh PA) Walker Jerry L. (Coraopolis PA) Boffardi Bennett P. (Bethel Park PA), Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers.
Costello Christine A. (Coraopolis PA) Matz Gary F. (Pitcairn PA), Use of a carboxylic functional polyampholyte to inhibit the precipitation and deposit of scale in aqueous systems.
Johnson Donald A. (Naperville IL) Hoots John E. (Naperville IL) Fong Dodd W. (Naperville IL) Crucil Guy A. (Bloomingdale IL), Zinc stabilization with modified acrylamide based polymers and corrosion inhibition derived therefrom.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.