The temperature control, the viscosity controal and the effect of catalyst in the preparation process of vegetable-oil-based resin have been studied in this paper.
对以葵花子油、棉子油为原料制备印刷油墨用植物油树脂的温度控制、粘度控制及催化剂影响进行了研究。
This kind of binder is easy-made and low cost, which can substitute other binder, such as heat core box resin and vegetable oil, etc, to be used in casting production and realize utilization of trash.
该粘结剂制作简单，成本低，能够代替其它粘结剂如热芯盒树脂、植物油等用于铸件生产，并可实现废物利用。
In general, it is composed of 50% resin and vegetable balsam, 30% wax, 10% essential and aromatic oils, 5% pollen, and 5% various other substances, including organic debris.
一般来说，蜂胶的基本成分为：50%的树脂，30%的蜂蜡，10%的挥发物和芳香油，5%的花粉，以及5%的其它物质。
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