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. Author manuscript; available in PMC: 2012 Jun 15.
Published in final edited form as: J Polym Sci B Polym Phys. 2011 Jun 15;49(12):832–864. doi: 10.1002/polb.22259

Table 1.

Summary of different polymeric families’ applications, advantages, disadvantages, degradation rate and structure.

Polymer Applications Advantages Disadvantages λ, Degradation Rate Constant (s−1) Structure
Polyphosphazenes Tissue Engineering
Vaccine Adjuvant
Synthetic Flexibility
Controllable Mechanical Properties
Complex Synthesis 4.5 × 10−2 −1.4 × 10−7 Ref. 776,13 graphic file with name nihms294321t1.jpg
Polyanhydrides Drug Delivery
Tissue Engineering
Significant Monomer Flexibility
Controllable Degradation Rates
Low Molecular Weights
Week Mechanical Properties
1.9 × 10−3 − 9.4 × 10−9 Ref. 17,777 graphic file with name nihms294321t2.jpg
Polyacetals Drug Delivery Mild pH Degradation Products
pH Sensitive Degradation
Low Molecular Weights
Complex Synthesis
6.4 × 10−5 Ref. 17 graphic file with name nihms294321t3.jpg
Poly(ortho esters) Drug Delivery Controllable Degradation Rates
pH Sensitive Degradation
Week Mechanical Properties
Complex Synthesis
4.8 × 10−5 Ref. 17 graphic file with name nihms294321t4.jpg
Polyphosphoesters Drug Delivery
Tissue Engineering
Biomolecule Compatibility
Highly Biocompatible Degradation Products
Complex Synthesis 1.4 × 10−6 Ref. 778,779 graphic file with name nihms294321t5.jpg
Polycaprolactone Tissue Engineering Highly Processable
Many Commercial Vendors Available
Limited Degradation 3.5 × 10−8 Ref. 17 graphic file with name nihms294321t6.jpg
Polyurethanes Prostheses
Tissue Engineering
Mechanically Strong
Handle Physical Stresses Well
Limited Degradation
Require Copolymerization with Other Polymers
8.3 × 10−9 Ref. 780 graphic file with name nihms294321t7.jpg
Polylactide Tissue Engineering
Drug Delivery
Highly Processable
Many Commercial Vendors Available
Limited Degradation
Highly Acidic Degradation Products
6.6 × 10−9 Ref. 17 graphic file with name nihms294321t8.jpg
Polycarbonates Drug Delivery
Tissue Engineering
Fixators
Chemistry-Dependent Mechanical Properties
Surface Eroding
Limited Degradation
Require Copolymerization with Other Polymers
4.1 × 10−10 Ref. 285 graphic file with name nihms294321t9.jpg
Polyamides Drug Delivery Conjugatable Side Group
Highly Biocompatible Degradation Products
Very Limited Degradation
Charge Induced Toxicity
2.6 × 10−13 Ref. 17 graphic file with name nihms294321t10.jpg
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