• Catalytic nitration of toluene occurs by use of nitric acid in the presence of bentonite metal nitrates with useful para selectivities, up to a para to ortho ratio 1.0.

    硝酸盐催化甲苯硝酸对位选择性硝化,硝化产物比率达1.0以上。

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  • Thixotropic resin based on ortho-phthalic acid.

    变型,邻苯型基体的不饱和聚酯树脂

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  • Thixotropic resin based on ortho-phthalic acid.

    变型,邻苯型基体的不饱和聚酯树脂

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