The photosensitivity, alkaline solubility and viscosity of products increased as the ratio of maleic anhydride increased.

• 试验表明：在酸酐配比等于0.；6:1时，?御人有较好的硷溶性；?物的光敏性、硷溶性和粘度随著酸酐配比的增加而增大。