| abstract |
A release agent composition containing 1,3-propanediamine (a), 1-hydroxyethylidene-1,1-diphosphonic acid (b) and water, wherein the content of component (a) is 0.2 to 30% by weight, The release agent composition, organic amine (A), organic phosphonic acid whose content of component (b) is 0.05-10 weight%, content of water is 60-99.75 weight%, and pH of the said composition in 20 degreeC is 9-13 ( B), The release agent composition containing alcohol (C) and water per linear chain, content of component (A) is 0.2-30 weight%, content of component (B) is 0.05-10 weight%, content of component (C) The release agent composition whose 0.1-10 weight% and content of water are 50-99.65 weight%, and the pH of the said composition in 20 degreeC is 9-13. |