| 摘要 |
<p>The use, as agents for the control of water formed scale and/or water borne deposits, of low molecular weight polymers and/or phosphonates of the formula: CH3C(OH) (PO3X2)2 or <CHEM> wherein Y is -CH2PO3X2; X is H<+>, NH<+>4 or alkali metal; n is 1 to 6; and when n is 1 to 3, x is 2 to 6; and when n is 4 to 6, x is 1 to 6.</p> |
