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KR870007065A - 보일러 용수의 철분산제 - Google Patents

보일러 용수의 철분산제 Download PDF

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Publication number
KR870007065A
KR870007065A KR870000053A KR870000053A KR870007065A KR 870007065 A KR870007065 A KR 870007065A KR 870000053 A KR870000053 A KR 870000053A KR 870000053 A KR870000053 A KR 870000053A KR 870007065 A KR870007065 A KR 870007065A
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KR
South Korea
Prior art keywords
methacrylate
acrylate
copolymer
general formula
boiler water
Prior art date
Application number
KR870000053A
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English (en)
Other versions
KR900005508B1 (ko
Inventor
겐지 고바야시
이찌로 가네꼬
마사히로 고바야시
신지 나까노
Original Assignee
다까오까 기요시
구리다 고오교오 가부시기 가이샤
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.)
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Publication date
Application filed by 다까오까 기요시, 구리다 고오교오 가부시기 가이샤 filed Critical 다까오까 기요시
Publication of KR870007065A publication Critical patent/KR870007065A/ko
Application granted granted Critical
Publication of KR900005508B1 publication Critical patent/KR900005508B1/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62—Heavy metal compounds
    • C02F1/64—Heavy metal compounds of iron or manganese

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

내용 없음

Description

보일러 용수의 철분산제
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (3)

  1. 일반식(Ⅰ)의 반복단위를 갖는 아크릴 공중합체 또는 러폴리머와 아크릴레이트 또는 메타크릴레이트의 호모폴리머 또는 공중합체, 9:1내지 1:9량비중로 조성된 보일러 용수의 철분산제.
    위의 일반식에서, R은 수소원자 또는 메틸기이고, A는 아크릴아미드, 메타크릴아미드, 아크릴에스테르 또는 메타크릴에스테르이고, B는 아크릴산, 아크릴레이트, 메타크릴산, 메타크릴레이트 또는 반복단위 A와 공중합될 수 있는 단량체이며, l,m 및 n은 10170, 10m70, 10m90,n50 및 l+m+n=100의 관계를 갖는 반복단위의 몰 ※를 나타낸다.
  2. 제1항에 있어서, 아크릴레이트 또는 메타크릴레이트의 호모폴리머 또는 공중합체가 300내지 100,000의 분자량을 가지며 아크릴레이트 및/또는 메타크릴레이트로 이루어지는 반복단위 50몰% 이상을 함유하는 철분산제.
  3. 일반식(Ⅰ)로 표시되는 고분자 화합물 및 아크릴레이트 또는 메타크릴레이트의 호모폴리머 또는 공중합체로 이루어지는 보일러 용수 철분산제를 0.01내지 10㎎/ℓ의 양으로 보일러 공급용수에 첨가하여 보일러 용수중의 철성분을 분산처리하는 방법.
    위의 일반식에서, R은 수소원자 또는 메틸기이고, A는 아크릴아미드, 메타크릴아미드, 아크릴에스테르 또는 메타크릴에스테르이고, B는 아크릴산, 아크릴레이트, 메타크릴산, 메카크릴레이트 또는 반복단위 A와 공중합될 수 있는 단량체이며, l,m 및 n은 10170, 10m70, 10m90, n50 및 l+m+n=100의 관계를 갖는 반복단위의 몰%를 나타낸다.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870000053A 1986-01-13 1987-01-07 보일러 용수의 철분산제 KR900005508B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61004806A JPS62163736A (ja) 1986-01-13 1986-01-13 ボイラ水用鉄分散剤
JP4806 1986-01-13

Publications (2)

Publication Number Publication Date
KR870007065A true KR870007065A (ko) 1987-08-14
KR900005508B1 KR900005508B1 (ko) 1990-07-30

Family

ID=11594003

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870000053A KR900005508B1 (ko) 1986-01-13 1987-01-07 보일러 용수의 철분산제

Country Status (5)

Country Link
US (1) US4877535A (ko)
JP (1) JPS62163736A (ko)
KR (1) KR900005508B1 (ko)
DE (1) DE3700383A1 (ko)
GB (1) GB2185260B (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2236314A (en) * 1989-09-06 1991-04-03 Grace W R & Co Inhibition of deposition in aqueous systems.
DE4110736A1 (de) * 1991-04-03 1992-10-08 Rotta Innovations Gmbh Dr Polymerpartikel zur wasseraufbereitung
US5864596A (en) 1996-07-10 1999-01-26 Commonwealth Edison Company Polymer dispersants and methods of use in a nuclear steam generator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663448A (en) * 1970-09-25 1972-05-16 Calgon Corp Inhibiting scale deposition
JPS537550A (en) * 1976-07-09 1978-01-24 Mitsubishi Heavy Ind Ltd Anticorrosive for aluminum and its alloy
JPS5494482A (en) * 1978-01-09 1979-07-26 Otsuka Chem Co Ltd Scale inhibitor
US4434059A (en) * 1981-02-02 1984-02-28 Johnson Donald A Polymers for prevention of fouling by iron oxides in cooling systems
JPS59222588A (ja) * 1983-05-31 1984-12-14 Nippon Nohyaku Co Ltd 水処理剤
JPS6099396A (ja) * 1983-11-04 1985-06-03 Kurita Water Ind Ltd 用水系の障害防止剤
JPH0643494A (ja) * 1991-06-17 1994-02-18 Seiko Epson Corp 電気光学装置の製造方法
JP2502441B2 (ja) * 1992-10-28 1996-05-29 日本金属株式会社 帯状打抜き用刃物

Also Published As

Publication number Publication date
DE3700383A1 (de) 1987-07-16
GB2185260A (en) 1987-07-15
GB8700663D0 (en) 1987-02-18
KR900005508B1 (ko) 1990-07-30
US4877535A (en) 1989-10-31
GB2185260B (en) 1989-11-08
JPS62163736A (ja) 1987-07-20
JPH058045B2 (ko) 1993-02-01

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