Patent ID: 11932756
Assignee: LEADER SHINING MATERIAL CO., LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 17:
18. A method for preparing the modified polyvinyl butyral material as claimed in claim 1, comprising the following steps:
(S1) mixing and compounding components including the polyvinyl butyral composite material, the first filler, the anti-hydrolysis agent, zinc stearate, calcium stearate, the polymeric dispersant, the deodorant, tetramethylthiuram monosulfide, and trimethylolpropane tris(3-mercaptopropionate) at 165° C. to 175° C. for 5 minutes to 10 minutes to obtain a crude modified polyvinyl butyral material; and
(S2) filtering the crude modified polyvinyl butyral material at 150° C. to 170° C. with a sieve of 140 meshes to 160 meshes to obtain the modified polyvinyl butyral material.