id	keyword
asir-4758	hdpe
asir-4758	pet
asir-4758	rpet
asir-4758	blends
asir-4758	compatibilizer
asir-4758	research
asir-4758	recycling
asir-4758	figure
asir-4758	science
asir-4758	properties
asir-4758	rpet80
asir-4758	hdpe20