Assertion: lignin's number | /r/CapableOf | emerge aiming at lignin oxypropylation
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text: A number of research efforts have also emerged aiming at lignin oxypropylation, which resulted in low T g poly(propylene oxide) grafted lignin under the specified conditions, thus increasing the processing possibilities of lignin (Jain and Glasser 1993; Nadji et al.2005; Wu and Glasser 1984).