CHEMICAL COMPOSITION AND PROCESS

摘要

The invention relates to a solid powdery composition comprising unexpanded thermally expandable microspheres including a thermoplastic polymer shell encapsulating a propellant and from about 0.1 to about 50 wt% of at least one inhibitor selected from the group consisting of acids having a melting point below about 200°C and precursors therefore. The invention further relates to preparation and use thereof, a composition comprising a polymeric resin, preparation thereof, a process for working a polymeric resin and a material obtainable thereby.