Through the condensation polymerization of TAPOB and dianhydride, hyperbranched polyamide acid (HBPAA) and hyperbranched polyimide (HBPI) were prepared.
经过红外表征发现，反应得到了端酸酐基的超支化聚酰胺酸和超支化聚酰亚胺；
Through the condensation polymerization of TAPOB and dianhydride, hyperbranched polyamide acid (HBPAA) and hyperbranched polyimide (HBPI) were prepared.
经过红外表征发现，反应得到了端酸酐基的超支化聚酰胺酸和超支化聚酰亚胺；
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