| abstract |
The invention relates to an environment-friendly packaging material which is prepared from a foaming composite material of the environment-friendly packaging material, wherein the composite material consists of a component A and a component B, the component A consists of diphenylmethane diisocyanate, high-activity polyether polyol and an ethylene glycol solution of potassium acetate, and the component B consists of high-activity polyether polyol, phthalic anhydride polyester polyol, cyclopentane, water, a foam stabilizer, dimethylcyclohexylamine and pentamethyldiethylenetriamine. |