Prediction of Environmental Stress Cracking in Plastics with Hansen Solubility Parameters

Hansen, Claus Thorp; Just, Lisbeth

doi:10.1021/ie9904955

Cited by 96 publications

(65 citation statements)

References 3 publications

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“…Gallic acid is poor water solubility [22]. Its solubility in the electrospinning solution was limited.…”

Section: Electrospinningmentioning

confidence: 99%

“…In the contrast way, a decrease in percentage of swelling of higher loading content of gallic acid-loaded electrospun CA fiber mats was due to the aggregation of gallic acid on the surface of the electrospun CA fiber mats which easy to dissolve in buffer media. The water solubility of gallic acid is 11.5 mg/mL [22]. This phenomenon is results in lowering the weight of sample.…”

Section: Swelling and Weight Loss Behaviormentioning

confidence: 99%

“…From above mentioned this substance has many biological activities that has been potentially developed as active compound for skin or transdermal delivery system. However, the main limitation of gallic acid is its poor water solubility (11.5 mg/mL) [21,22]. In order to overcome this problem, electrospun fiber mats was use as a drug delivery carrier of gallic acid due to their high surface area should improve the solubility or releasing of gallic acid.…”

Section: Introductionmentioning

confidence: 99%

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Gallic Acid-loaded Cellulose Acetate Electrospun Nanofibers: Thermal Properties, Mechanical Properties, and Drug Release Behavior

Phiriyawirut¹,

Phaechamud²

2012

OJPChem

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“…Gallic acid is poor water solubility [22]. Its solubility in the electrospinning solution was limited.…”

Section: Electrospinningmentioning

confidence: 99%

Section: Swelling and Weight Loss Behaviormentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Gallic Acid-loaded Cellulose Acetate Electrospun Nanofibers: Thermal Properties, Mechanical Properties, and Drug Release Behavior

Phiriyawirut¹,

Phaechamud²

2012

OJPChem

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“…Oral administration of NMP produced developmental toxicity below maternally toxic levels 44 . The solubility parameter of NMP is similar to that of ethanol and dimethyl sulphoxide 45 . Therefore NMP could solubilized the lipid in fungal cell membrane and enhance the drug penetration and action.…”

Section: Resultsmentioning

confidence: 66%

“…It is a water-miscible organic solvent used as a good solvent for drugs with pour water solubility. The solubility parameter of NMP is similar to that of ethanol and dimethyl sulphoxide (DMSO) 15 . NMP increased transdermal absorption of some drugs such as phenolsulfonaphthalein, ibuprofen, and flurbiprofen 16,17 and also estradiol 18 .…”

Section: Introductionmentioning

confidence: 85%

Untitled

Phaechamud¹,

Mahadlek²,

Aroonrerk³

et al. 2012

ScienceAsia

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Zinc oxide (ZnO) is a prototype of micro-and nanomaterials widely studied in different fields due to many promising new applications. Various zinc oxides (typical, micronized, powder, tetrapod I, and tetrapod II ZnO) have been characterized using SEM. The particle size of zinc oxides was analysed using laser light diffraction spectroscopy. Effects of types and amounts of ZnO on the antimicrobial activity were evaluated using Staphylococcus aureus, Escherichia coli, and Candida albicans as standard microbes. Lutrol F127 systems comprising ZnO and doxycycline hyclate were developed. Cytotoxicity of test samples and gel was investigated on human gingival fibroblast and macrophage cell line U937. Particle size analysis revealed that micronized ZnO was smaller than ZnO powder, ZnO BP, tetrapod I, or II zinc oxides. The particle size of tetrapod zinc oxides was larger than the others since they exhibited an arm structure configuration. The antibacterial activity depended on the particle size of ZnO, whereas the antifungal activity was less affected by the particle size. Increasing ZnO in the doxycycline hyclate-Lutrol F127 systems decreased the inhibition zone diameters against all test microbes investigated with agar diffusion method because it retarded drug diffusion. This effect could prolong the doxycycline hyclate release. N-methyl-2-pyrrolidone could enhance the antifungal activity of doxycycline hyclate thermosensitive gel. The developed system could inhibit bacteria in the oral cavity. All 10 mg/ml test samples were not toxic to human gingival fibroblast or macrophage cell line, however Lutrol F127 and doxycycline hyclate showed a slight effect but no significant difference from that of the control group. Therefore, ZnO combined with doxycycline hyclate could prolong the inhibition of microbes in the form of thermosensitive gel to use in localized periodontitis therapy.

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Plastics Properties: Physical, Mechanical, and Degradation Aspects

Buekens

2019

Kirk-Othmer Encyclopedia of Chemical Technology

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Plastic materials (and their additives) are selected for a particular application on the basis of quality, cost, and performance, established by standardized test procedures. This article centers on the physical and mechanical properties of plastics and their evaluation. Following an introduction on plastics, their macromolecular structures, and composition, properties, such as density, viscosity, diffusion and barrier properties, moisture and ash content, viscoelastic properties and their testing, and plastic degradation are discussed. Testing methods of materials properties, to make sure that they meet technical requirements, are also discussed. The article guides the reader in selecting plastic materials for given applications, by considering systematically important properties and the way they relate to operating conditions and quality.

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Prediction of Environmental Stress Cracking in Plastics with Hansen Solubility Parameters

Cited by 96 publications

References 3 publications

Gallic Acid-loaded Cellulose Acetate Electrospun Nanofibers: Thermal Properties, Mechanical Properties, and Drug Release Behavior

Gallic Acid-loaded Cellulose Acetate Electrospun Nanofibers: Thermal Properties, Mechanical Properties, and Drug Release Behavior

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Plastics Properties: Physical, Mechanical, and Degradation Aspects

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