Urethane adduct was synthesized from decarboxylated cashew nut shell liquid (CNSL),hexamethylenediisocynate(HDI) and polyethylglycol(PEG),which was then reacted with melamineformaldehyde resin to form aqueous coating material.

The combined scheme of selective hydrogenation and etherization of FCC’s light gasoline and hydrogenation desulfurization of heavy gasoline can make gasoline quality meet EURO IV Standard, indicating that this combined scheme is a feasible scheme selection for gasoline quality updating and upgrading.

Synthesis technology and property of hydroxypropyl starch by using potato starch as raw material, propylene oxide as etherization reagent and sodium hydroxide as catalyst, were studied in this paper.

The preparation and property of hydroxypropyl mung bean starch were studied by using mung bean starch as raw materials,epoxypropane as etherization reagent,sodium hydroxide as catalyst,sodium sulfate as gelatinization inhibitor.