... 改性树脂 modified resin 改性油溶性树脂 modified oil-soluble resin 改造费用 improvement expenses ...
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红外光谱表明了该双改性树脂的碳骨架上引入了桐油分子长碳链，具有一定的柔韧性和油溶性。
IR spectra showed that long chains of molecules of tung oil were bonded on the skeleton of boron phenolic resin.
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