JPS5648210A - Water-soluble anti-foaming agent - Google Patents

Water-soluble anti-foaming agent

Info

Publication number
JPS5648210A
JPS5648210A JP12263679A JP12263679A JPS5648210A JP S5648210 A JPS5648210 A JP S5648210A JP 12263679 A JP12263679 A JP 12263679A JP 12263679 A JP12263679 A JP 12263679A JP S5648210 A JPS5648210 A JP S5648210A
Authority
JP
Japan
Prior art keywords
water
foaming agent
soluble anti
ethylene oxide
higher alcohol
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.)
Pending
Application number
JP12263679A
Other languages
Japanese (ja)
Inventor
Shiro Yuki
Yoshitaka Uchiyama
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.)
Mitsubishi Petrochemical Co Ltd
Original Assignee
Mitsubishi Petrochemical Co Ltd
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 Mitsubishi Petrochemical Co Ltd filed Critical Mitsubishi Petrochemical Co Ltd
Priority to JP12263679A priority Critical patent/JPS5648210A/en
Publication of JPS5648210A publication Critical patent/JPS5648210A/en
Pending legal-status Critical Current

Links

Landscapes

  • Degasification And Air Bubble Elimination (AREA)

Abstract

PURPOSE: A water-soluble anti-foaming agent of superior anti-foaming effect which is obtained by adding and reacting ethylene oxide and propylene oxide to and with the specific higher alcohol and esterifying these with the specific carboxylic acid.
CONSTITUTION: Ethylene oxide and propylene oxide are added and reacted to and with higher alcohol of 8W18 carbon numbers (for example, coconut oil alcohol or the like) in the presence of an alkali catalyst or acid catalyst. About lmol higher alcohol, about 5W50mol ethylene oxide and about 1W10mol propylene oxide are required. The terminal hydroxyl groups of the thus formed reactact is esterified by uni-W trivalent lower carboxylic acids of ≥6 carbon numbers (for example, formic acid, acetic acid, or the like), whereby the water-soluble anti-foaming agent of the formula is obtained. This antifoaming agent is used straightly or may be used in combination with other antifoaming agent. The amount of ddition is about 0.1W 0.001wt%.
COPYRIGHT: (C)1981,JPO&Japio
JP12263679A 1979-09-26 1979-09-26 Water-soluble anti-foaming agent Pending JPS5648210A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12263679A JPS5648210A (en) 1979-09-26 1979-09-26 Water-soluble anti-foaming agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12263679A JPS5648210A (en) 1979-09-26 1979-09-26 Water-soluble anti-foaming agent

Publications (1)

Publication Number Publication Date
JPS5648210A true JPS5648210A (en) 1981-05-01

Family

ID=14840867

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12263679A Pending JPS5648210A (en) 1979-09-26 1979-09-26 Water-soluble anti-foaming agent

Country Status (1)

Country Link
JP (1) JPS5648210A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5447822A (en) * 1989-09-28 1995-09-05 3D Systems, Inc. Apparatus and related method for forming a substantially flat stereolithographic working surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5447822A (en) * 1989-09-28 1995-09-05 3D Systems, Inc. Apparatus and related method for forming a substantially flat stereolithographic working surface

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