Defoamer
A defoamer, weight technology, applied in the direction of foam dispersion/prevention, to achieve the effect of excellent defoaming performance
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manufacture example 1
[0133] In a stainless steel reaction vessel equipped with a thermometer, a stirrer, and a reflux device, 100 parts of ion-exchange water, 50 parts of a 50% sodium hydroxide aqueous solution, and a surfactant {Naロアクテイ HN-80, Sanyo Chemical Industry Co., Ltd.} 10 Servings, heated to 70°C with stirring. Next, 90 parts of caprylic acid was added while stirring, and the mixture was stirred at 70°C for 1 hour. Next, 57.1 parts of aluminum hydroxide was put in at 70°C over 1 hour, and further stirred at 70°C for 1 hour. Then, the obtained mixture was cooled to 30°C over 1 hour, filtered and washed with water to obtain aluminum octoate (a4).
[0134] The content of aluminum mono(octanoate) (a41) is 39% relative to the total weight of (a41) and aluminum di(octanoate) (a42). In addition, the content of free caprylic acid (fal) is 5% relative to the total weight of (a41) and (a42). For aluminum octoate (a4), DSC (Differential Scanning Calorimetry) analysis was performed, and it was confirmed...
manufacture example 2
[0173] In a stainless steel reaction vessel equipped with a thermometer, a stirrer, and a reflux device, 100 parts of ion-exchange water, 25 parts of a 50% sodium hydroxide aqueous solution, and a surface active agent {Naroaktei HN-80, Sanyo Chemical Industry Co., Ltd.} 10 Servings, heated to 70°C with stirring. Next, 90 parts of behenic acid was put in stirring, and it stirred at 70 degreeC for 1 hour. Next, 39.4 parts of aluminum hydroxide was put in at 70°C for 1 hour, and further stirred at 70°C for 1 hour. Then, the obtained mixture was cooled to 30°C over 1 hour, filtered and washed with water to obtain aluminum behenate (a5).
[0174] Among them, the content of aluminum mono(docosanoate) (a5) relative to the total weight of (a51) and aluminum di(docosanoate) (a42) is 11%. In addition, the content of free behenic acid (fa2) is 11% relative to the total weight of (a51) and (a52).
[0175] In addition, DSC analysis was performed on aluminum behenate (a5), and it was confirmed ...
Embodiment 1
[0177] In a stainless steel reaction vessel equipped with a thermometer and a stirrer, put hydrocarbon oil (b1) {a mixed hydrocarbon composed of COSMO PURESPIN G715 parts and JSO Aromam 79071 parts 786 parts of oil}, and then add 44 parts of aluminum carboxylate (a1) {SA-1000, Sakai Chemical Industry Co., Ltd.} while stirring. The obtained mixture was heated to 135°C, and then 100 parts of polyoxyalkylene compound {Nippel LB-385(c1), Sanyo Chemical Industry Co., Ltd.} and natural wax {Licowax S(e1), Clarianto( Co., Ltd. montan wax} 70 parts, stirred at 135°C for 1 hour. Then, the obtained mixture was cooled to 20°C over a period of 1 hour to obtain the defoamer (S1) of the present invention. Then, through a dispersion test {JISK5600-2-5: 1999 (corresponding to ISO 1524: 1983): the same as below}, it was confirmed that there are no particles of 5 μm or more in this (S1).
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