METHOD FOR PREPARING VINYL TERMINATED POLYMER BY RAPIDLY PYROLYZING POLYOLEFIN WITH LASER
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United States of America
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Mar 20, 2025
app pub date -
Nov 28, 2024
filing date -
Nov 28, 2024
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Abstract
The present invention belongs to the field of resource utilization of waste plastics, and particularly provides a method for preparing a vinyl terminated polymer by rapidly pyrolyzing polyolefin with a laser. The preparation method includes the following steps: first, adding a light absorber with a certain concentration into polyolefin as a raw material through a melt mixing process; then initiating high-temperature decomposition of polyolefin through laser irradiation under a protective effect of an inert gas; and condensing and collecting a decomposed product to obtain the vinyl terminated polymer.
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