Pharmacological properties of the plasticizer, acetyl N
A pharmacological and chemical study (infrared spectroscopy, gas–liquid chromatography) showed that this was due to extration of the plasticizer, acetyl N‐tributyl citrate (ATBC). The concentrations of ATBC to produce contractions of the isolated guinea‐pig ileum (from 1 μg/ml) can be compared with those achieved after recirculating
Plasticizer - an overview | ScienceDirect Topics
By changing type and amount of plasticizer, properties can be tailored to requirements. Increasing plasticizer concentration increases flexibility, decreases tensile strength and reduces hardness (e.g., Fig. 1 ). PVC itself does not burn, but the addition of plasticizer increases flammability.
Plastified polyvinyl chloride for antimicrobial medical
Biocompatible synthetic polymers play an important role in medical applications, such as prosthetic devices (drains, catheters, hip, knees, etc.) employed at the present time by millions of...
Pharmacological properties of the plasticizer, acetyl N
Aqueous extracts of a PVC transfusion tubing contracted isolated guiea‐pig ilea. A pharmacological and chemical study (infrared spectroscopy, gas–liquid chromatography) showed that this was due to ex...
Pharmacological properties of the plasticizer, acetyl N
Pharmacological properties of the plasticizer, acetyl N-tributyl citrate, and its extraction from poly(vinyl chloride) tubing Aqueous extracts of a PVC transfusion tubing contracted isolated guinea-pig ilea.
- Why are plasticizers important in pharmaceutical formulations?
- Plasticizers have got significant role in pharmaceutical formulations because of their vital importance in the formulations like gastro-retentive films, ocular films, transdermal films, buccal films, oro-dispersible films.
- Does plasticizer type affect optical properties of bioactive edible films?
- The effects of plasticizers type and concentration on the optical properties of bioactive edible films were shown in Table 3. The result indicated plasticizer improved the opacity of chitosan/zein blend films, and the opacity of films was increased significantly (p < 0.05) with an increase of plasticizer concentration.
- How does plasticizer affect the rheological properties of film-forming solution?
- Plasticizer influenced the rheological properties of film-forming solution. Plasticizer was efficient for the improvement of properties of blend film. The chitosan/zein film with PEG-400 exhibited superior properties.
- How do plasticizer effects affect physical-mechanical properties of solvent cast films?
- Plasticizer effects on physical-mechanical properties of solvent cast Soluplus® films Influence of equilibrium relative humidity and plasticizer concentration on the water content and glass transition of starch materials
- Which small molecular weight plasticizers have different physicochemical properties?
- Glycerol, vitamin E TPGS (TPGS) and triacetin were used as small molecular weight plasticizers, which show different physicochemical properties. The chemical structures of selected plasticizers are depicted in Fig. 1. We have selected plasticizer concentrations in the range (10–30% w/w) that is commonly used in manufacture of OFs.
- Are polymeric drug delivery systems plasticizers?
- Plasticizer as minor component of polymeric drug delivery systems has not been strictly defined. Even liquid drugs or liquids with a potential pharmacodynamic effect can serve as plasticizers. As well structural water in the hydrophilic polymer seems to be an internal plasticizer of the polymeric drug delivery systems.
