| 摘要 |
PCT No. PCT/IT96/00112 Sec. 371 Date Mar. 12, 1998 Sec. 102(e) Date Mar. 12, 1998 PCT Filed May 31, 1996 PCT Pub. No. WO96/39446 PCT Pub. Date Dec. 12, 1996According to the invention, there are provided a novel process for preparing an anti-scaling coating on the walls of a polymerization vessel by using aromatic compounds reacted with sodium hydroxymethanesulphinate, and an anti-scaling coating obtained by this novel process.
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