alkyd resin造句
31. The synthetic process of a prepolymer based on benzoic acid modified hydroxyl alkyd resin and toluene diisocyanate (TDI) prepolymer and the coatings made from this prepolymer has been described.
32. Rosin modified alkyd resin prepared by soybean oil stock fatty acid - rosin - glycerin - pentaerythritol , which means fatty acid method.
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