23292
Hydrolytic degradation of the biocomposites is rendered by a degradable macromer / crosslinker , dimethacrylated poly ( lactide - b - ethylene glycol - b - lactide ) , which first degrades to break up 3 - D hydrogel networks , followed by dissolution of linear pHEMA macromolecules and bioceramic particles .
 dimethacrylated poly ( lactide - b - ethylene glycol - b - lactide ), pHEMA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 dimethacrylated poly ( lactide - b - ethylene glycol - b - lactide ), pHEMA