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US 12,049,600 B2Granted
Aqueous composition comprising water-soluble glycerin-based polyalkylene glycols and use thereof
OwnerFangbo Chen, Hao Fan +2inventors
InventorsFangbo Chen, Hao Fan, Qisheng Wu, Jun Rao
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Abstract
The invention relates to aqueous composition comprising water-soluble glycerin-based polyalkylene glycols as synthetic base oils as well as the use of the composition and the glycerin-based polyalkylene glycols as or in metalworking fluids, wherein the glycerin was consecutively alkoxylated in the following order: first with propylene oxide, followed by ethylene oxide and finally with propylene oxide.
Claims8
A composition comprising
- water;
- and
- at least one water-soluble polyalkylene glycol of the formula (I)
- wherein independently of each other
- R1 is —(C3H6O)x1—(C2H40)y1—(C3H6O)z1—H;
- R2 is —(C3H6O)x2—(C2H4O)y2—(C3H6O)z2—H;
- and
- R3 is —(C3H6O)x3—(C2H40)y3—(C3H6O)z3—H;
- and
- x1, x2 and x3 are independently of each other a number of 0 to 6;
- y1, y2 and y3 are independently of each other a number of 0 to 40;
- and
- z1, z2 and z3 are independently of each other a number of 0 to 32;
- and
- x1+x2+x3 has an average value of from 1 to 4;
- y1+y2+y3 has an average value of from 2 to 30;
- and
- z1+z2+z3 has an average value of from 1 to 25.
15 more elements
Dependencies are inferred from the claim text.