PolyurethanesIsocyanatesParticle SizeToluene 2,4-DiisocyanateCastor OilSiliconesCyanatesElastomersBiocompatible MaterialsMaterials TestingImplants, ExperimentalPolyvinyl ChlorideAir Pollutants, OccupationalSurface PropertiesPolyestersLatexEquipment FailureChemical IndustryAdhesivesSilicone ElastomersGastrostomyPolycarboxylate CementTissue ScaffoldsScleral DiseasesCoated Materials, BiocompatiblePorosityElectroplatingCatheters, IndwellingForeign-Body ReactionOcclusive DressingsEnvironmental MonitoringMicroscopy, Electron, ScanningPolymersZygomaVirionBone Substitutes