公开(公告)号：US20230080499A1

公开(公告)日：2023-03-16

申请号：US17798253

申请日：2021-02-03

Applicant: SIKA TECHNOLOGY AG

Inventor： Michael SPEIGHT ,  Leslie WOLSCHLEGER ,  Braden LANORE ,  Jena MABILIA

IPC: C08J9/00 ,  C08J9/10

Abstract: A product, especially a master-batch for producing thermally expandable compositions, is obtainable or obtained by reacting, preferably by extruding, a mixture including: (a) at least one polymer P, cross-linkable by peroxide, and (b) at least one coagent, especially an acrylate A, and (c) at least one peroxide PE, wherein the mixture is reacted such that the product has an average melt flow index (MFI) of between 0.1 and 8 g/10 min.