16086
The electrostatic interaction and hydrogen bonding under weak - acid conditions between aliphatic PUA and PSS contribute to the formation of multilayer microcapsules .
 Chemical: hydrogen; Chemical: PUA; Chemical: PSS
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: hydrogen; Chemical: PUA; Chemical: PSS