SAMPE Journal - May/June 2022 - 49
the map provide a high-level overview of the key
elements present in the technology segment of
composite recycling. Even at this high level, the key
concepts such as circuit board, wind turbine blades,
carbon fiber, and epoxy resins can be identified,
and they provide a frame for the categorization to
be used in the patent map.
The resulting patent map matrix from the
two-dimension categorization process is shown
in Table 2. The categorization process was carried
out to the maximum extent without loss of content,
but many categories consisting of less than three
elements were combined or eliminated.
Despite the dynamic categorization process,
some groups can be observed in each category.
The object category shows that the patents focus
on four major areas: disassembly, grinding,
separation of components, and utilization of
recyclates. The separation of components can
be further divided into four groups: pyrolysis,
Figure 7. Landscape plot of the key topics emerging from the composite
recycling patent dataset.
Table 2. Object versus Objective categories matrix resulting from the composite recycling patent
dataset categorization.
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MAY/JUNE 2022
|
SAMPE JOURNAL | 49
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SAMPE Journal - May/June 2022
Table of Contents for the Digital Edition of SAMPE Journal - May/June 2022
Contents
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