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Metal processing composition
| Details |
Inventors: Chiba, Iwane; Fujiwara, Junji; Kuwamoto, Hiroshi; izushi, Tomoya; Muto, Toshimi; Toyama, Haruji;
Assignee: Nippon Kokan Kabushiki Kaisha (Tokyo, JP); Yushiro Chemical Industry Co., Ltd. (Osaka, JP)
Primary Examiner:
Assistant Examiner:
Attorney, Agent or Firm:
The present invention relates to a metal processing lubricant comprising a cationic compound obtained by neutralizing a condensation product between a specific aliphatic dicarboxylic acid and a specific aliphatic basic nitrogen compound with a phosphorus oxy acid or a derivative thereof. The lubricant of the present invention is water-soluble and excellent in lubricating property, and the change of the lubricating property is slight and degradation of the oiling component is reduced. Accordingly, the industrial value of the lubricant of the present invention is very high. |
|
DETAILED DESCRIPTION What is claimed is: 1.
A metal processing composition which comprises a water-soluble cationic compound obtained by neutralizing a condensation product having an average molecular weight of 500 to 1000, which is obtained by reacting an aliphatic dicarboxylic acid having 6 to 16 carbon atoms or a dicarboxylic acid mixture comprising (A1) an aliphatic dicarboxylic acid having 6 to 16 carbon atoms and (A2) an aliphatic dicarboxylic acid having 17 to 22 carbon atoms at an (A1)/(A2) molar ratio of 1/3 to 3/1 with at least one compound having at least two basic nitrogen atoms, which is selected from the group consisting of (a) compounds represented by the following general formula: ##STR6## wherein R.
sub.
1 through R.
sub.
4 stand for H or an alkyl group having 1 to 3 carbon atoms, at least one of R.
sub.
1 through R.
sub.
4 stands for H, and R.
sub.
5 stands for an alkylene group having 1 to 4 carbon atoms, (b) compounds represented by the following general formula: ##STR7## wherein R.
sub.
1 through R.
sub.
4 and R.
sub.
7 stand for H or an alkyl group having 1 to 3 carbon atoms, at least one of R.
sub.
1 through R.
sub.
4 and R.
sub.
7 stands for H, and R.
sub.
5 and R.
sub.
6 stand for an alkylene group having 1 to 4 carbon atoms, (c) compounds represented by the following general formula: ##STR8## wherein n is an integer of from 3 to 5, and (d) hydroxyl group-containing basic nitrogen compounds selected from ethylaminoethanolamine, 1,2-bis(hydroxyethylamino)ethane, 1,3-diamino-2-propanol, 2-hydroxyethylaminopropylamine, N,N'-bis(hydroxyethyl)diethylenetriamine, 2-hydroxypropyltrimethylenetetramine and N-2-hydroxypropyltriethylenetetramine, with at least one phosphorus oxy acid selected from the group consisting of (1) phosphoric acid, phosphorous acid, hypophosphorous acid and perphosphoric acid, (2) a condensed phosphorus oxy acid selected from pyrophosphoric acid, trimetaphosphoric acid, tetrametaphosphoric acid, pyrophosphorous acid, polymetaphosphorous acid and diperphosphoric acid and (3) a compound selected from compounds represented by the following formulae (i) through (iii): ##STR9##
Description:
DESCRIPTION 1
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