菜籽油经水解制成十八烯酸，可制备各类改性醇酸树脂。

The hydrolysate of rapeseed oil, octadecenoic acid, can be used for modification of various alkyd resins.

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桐油改性水性醇酸树脂油度增大，漆膜的吸水率降低，电气强度增大，但树脂的水溶性变差，理想油度为37%；

With the increase of oil length, water absorption of the film reduces, while electrical strength increases, but water-dispersible was bad, the ideal oil length was 37%;

youdao

桐油改性水性醇酸树脂油度增大，漆膜的吸水率降低，电气强度增大，但树脂的水溶性变差，理想油度为37%；

With the increase of oil length, water absorption of the film reduces, while electrical strength increases, but water-dispersible was bad, the ideal oil length was 37%;

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