10310
We synthesized copolymers composed of methyl methacrylate and 2 - aminoethyl methacrylate with different protecting groups or ion - complexes on their amino groups , then dip - coated the copolymers onto a poly ( methyl methacrylate ) ( PMMA ) substrate .
 Chemical: methyl methacrylate; Chemical: 2 - aminoethyl methacrylate; Chemical: amino; Chemical: poly ( methyl methacrylate ); Chemical: PMMA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: methyl methacrylate; Chemical: 2 - aminoethyl methacrylate; Chemical: amino; Chemical: poly ( methyl methacrylate ); Chemical: PMMA