Table 1 Composition of the 4 different polyurethanes.

From: Controllable degradation kinetics of POSS nanoparticle-integrated poly(ε-caprolactone urea)urethane elastomers for tissue engineering applications

 

POSS content (%)

Diisocyanate content (%)

Polyol

Chain extender

PCLU-24

0

HMDI (24%)

1-Butanol

Ethylenediamine/diethylamine

POSS-PCLU-24

2

HMDI (24%)

1-Butanol

Ethylenediamine/diethylamine

POSS-PCLU-28

2

HMDI (28%)

1-Butanol

Ethylenediamine/diethylamine

POSS-PCLU-33

2

HMDI (33%)

1-Butanol

Ethylenediamine/diethylamine

  1. Key: POSS, polyhedral oligomeric silsesquioxane; PCLU, poly(ε-caprolactone urea)urethane; HMDI, dicyclohexylmethane diisocyanate.
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