... industry:PVOH is mainly used as a warp dressing agent, textile finishing agent and the raw material of vinylon; b.construction :upholstery ... c.chemical industry: it's used as a polymer emulsifying agent, dispersing agent and used to produce PVOH formal, PVOH acetal and ... -making industries. e. agriculture: used as a soil improving agent, pesticide reinforcing agent and PVOH thin film f. used as a well ...