| abstract |
The invention discloses the preparation method of long oiliness polyfunctional benzophenone photoinitiator, comprise the following steps：Under the catalytic action of catalyst, poly derivative of fatty acid is fully reacted with 4 dihydroxy benaophenonels.TPO waterproof membrane, preparing the raw material of the waterproof membrane includes：a）Polyolefin；b）EVA resin；c）Light trigger；d）Polyolefin is multifunctional（Methyl）Acrylate cross linked dose；e）Inorganic filler；f）Coupling agent；g）Antioxidant.Its preparation method, including step：First by b）Component and c）Component heats shear-mixed, obtains A material；Separately by f）Component, g）Component and d）Component mix, open dilute with ethyl acetate, then with e）Component is mixed, and removes ethyl acetate, obtains B material；A material, B material, component a）Polyolefin three mixes, and stirs and evenly mixs, melting extrusion granulation.Waterproof membrane prepared by the present invention has excellent performance. |