Organosiloxane-silicate copolymer antifreeze composition with nitrate corrosion inhibitor
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C23F-011/06
출원번호
US-0032058
(1987-03-27)
발명자
/ 주소
Cassin Thomas R. (Newtown CT) Jex Victor B. (Scarsdale NY) Matulewicz William N. (Montgomery NY) McKenzie Dale A. (Ridgefield CT) Mohr Paul H. (Chappaqua NY)
출원인 / 주소
First Brands Corporation (Danbury CT 02)
인용정보
피인용 횟수 :
19인용 특허 :
0
초록▼
A corrosion-inhibited heat transfer composition concentrate comprising an alcohol, an organosiloxane/silicate copolymer, and a corrosion inhibiting amount of a nitrate salt. Such coolant concentrate may suitably be diluted with from about 25% to about 90% by weight of water based upon the weight of
A corrosion-inhibited heat transfer composition concentrate comprising an alcohol, an organosiloxane/silicate copolymer, and a corrosion inhibiting amount of a nitrate salt. Such coolant concentrate may suitably be diluted with from about 25% to about 90% by weight of water based upon the weight of the concentrate, to form an aqueous composition which has particular utility as a corrosion-inhibited heat transfer composition for heat exchange systems, for example, those employed with internal combustion engines. Such compositions are highly effective in reducing corrosion in heat exchange systems containing components of aluminum construction.
대표청구항▼
An improved method for protecting from corrosion an automobile internal combustion engine cooling system with a corrosion-inhibitive heat transfer composition concentrate wherein said method comprises diluting said concentrate with from about 15 to about 90 percent by weight of water, based on the w
An improved method for protecting from corrosion an automobile internal combustion engine cooling system with a corrosion-inhibitive heat transfer composition concentrate wherein said method comprises diluting said concentrate with from about 15 to about 90 percent by weight of water, based on the weight of the concentrate and introducing such to an automobile internal combustion engine cooling system, said concentrate comprising: (I) an alcohol; (II) an organosiloxane/silicate copolymer present in an amount from 0.01 percent to 10 percent by weight based upon the weight of said concentrate and consisting essentially of: (1) from 0.1 to 99.9 parts by weight of at least one member selected from the group consisting of (a) siloxane groups represented by the formula: RSiO1.5 wherein R is a member selected from the group consisting of the methyl, ethyl, propyl, phenyl and vinyl groups and (b) siloxane groups represented by the formula: [Figure] wherein Y is a member selected from the groups consisting of halogen containing groups, cyano containing groups, aryl containing groups, amino containing groups, carboxy containing groups, carboxy ester containing groups, glycidoxy containing groups, mercapto containing groups, hydroxy and polyhydroxy containing groups, and mixtures thereof, a is an integer having a value of at least 2, the group represented by Y is separated from the silicon atom by at least two successive carbon atoms, b is an integer having a value from 1 to 3 inclusive, R′is a monovalent hydrocarbon group, c is an integer having a value from 0 to 2 inclusive, (b+c) has a value from 1 to 3 inclusive; and (2) from 0.1 to 99.9 parts by weight of at least one silicate group represented by the formulae and mixtures thereof: [Figure] (A) wherein M is a cation that forms a water soluble silicate, d is the valence of the cation represented by M and has a value of at least 1 and e has a value from 1 to 3 inclusive, Si(OR)4 (B) wherein R is selected from the group consisting of alkyl, aryl, alkoxyalkyl, alkoxyaryl, hydroxyalkoxy, and mixtures thereof, said parts by weight of said groups in the copolymer being based on 100 parts by weight of the copolymer, and (III) at least one nitrate salt, in the absence of nitrite, present in an amount of from about 0.08 to about 0.5 weight percent based on the total weight of the composition.
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이 특허를 인용한 특허 (19)
Turcotte,David E.; Dituro,Michael; Olsen,Alden W.; Coffey, Jr.,Arnold L.; Stephens,Carl R., Acid based antifreeze composition.
Hunniford,David J.; Morano,David L.; Harshman,James Paul, Apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater.
Hunniford,David J.; Morano,David L.; Harshman,James Paul, Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater.
Hunniford,David J.; Morano,David L.; Harshman,James Paul, Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater.
Hunniford,David J.; Morano,David L.; Harshman,James Paul, Methods for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater.
Hunniford David J. (Tallevast FL) Davis H. Forbes (Tallevast FL), Process for removal of dissolved hydrogen sulfide and reduction of sewage BOD in sewer or other waste systems.
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