Rosin modified nonylphenolic resin was synthesized by one - step synthesis in laboratory.

在实验室内用一 步法 合成了松香改性壬基酚醛树脂.

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CONCLUSION The process provides high yields with inexpensive cost and one - step synthesis.

结论用该法收率高,成本低且一步合成.

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One - step synthesis of salicylaldehyde with phenol and paraformaldehyde as raw materials along with catalyst is introduced.

介绍了以苯酚和多聚甲醛为原料,在催化剂作用下,经一步反应直接合成水杨醛的情况.

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The technology of one step synthesis of terpinyl acetate turpentine and glacial acetic acid is described.

论述了松节油与冰乙酸一步法合成乙酸松油酯工艺.

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