4-hydroxybenzoic acid was synthesized by one pot method using polymer-bonded β-amino prop ionic acid-2-β-cyclodextrin as a catalyst.by which the selectivity f
In this paper, unsaturated polyester type GFRP composite was treated with phenylsilane type coupling agents by migration technology,then the mechanical properti
The methods of synthesis and surface treatment and the treatment agents were described in this paper. The formation of coating film of the weather-resistant pea