Condensation polymers from cardanol, formaldehyde and amine (PCX) are systhesized by copolycondensation, then are reacted with epoxy resin to formcoating films.
用共缩聚的方法，由腰果酚、甲醛和多元胺合成腰果酚缩醛胺聚合物。
2
The advantage of hot spraying technology is high efficiency and wide selecting suitable materials, it can get formcoating on big work piece, which are other surface technology can't be obtained.
热喷涂技术的优点是生产效率高，选材广，可在大工件上得到厚涂层，这是其它表面技术所不及的。
3
In industry, diamond can form a tough, non-corrosive coating for tools.