Comparison of oxygen plasma and cutinase effect on polyethylene terephthalate surface

@article{Tkavc2013ComparisonOO,
  title={Comparison of oxygen plasma and cutinase effect on polyethylene terephthalate surface},
  author={Tina Tkavc and Alenka Vesel and Enrique Herrero Acero and Lidija Fras Zemlji{\vc}},
  journal={Journal of Applied Polymer Science},
  year={2013},
  volume={128},
  pages={3570-3575}
}
The aim of the study is to activate inert PET surface in order to introduce the carboxyl groups and to obtain its hydrophilic character. Two advanced and environmentally friendly techniques were used for these purposes: i) oxygen plasma activation; ii) enzymatic treatment by cutinase. Differently treated PET foils were studied in terms of carboxylic group content (non-aqueous potentiometric titrations, XPS) and hydrophobic/hydrophilic character (goniometry). Moreover, the influence of both… Expand
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References

SHOWING 1-10 OF 18 REFERENCES
Adhesive properties of polypropylene (PP) and polyethylene terephthalate (PET) film surfaces treated by DC glow discharge plasma
In this study, the adhesive properties of the plasma modified polypropylene (PP) and polyethylene terephthalate (PET) film surfaces have been investigated. Hydrophilicity of these polymer filmExpand
Surface modification of polyester by oxygen‐ and nitrogen‐plasma treatment
In this paper, we present a study on the surface modification of polyethyleneterephthalate (PET) polymer by plasma treatment. The samples were treated by nitrogen and oxygen plasma for different timeExpand
Characterization of CO2 plasma-treated polyethylene surface bearing carboxylic groups
Abstract The surface modification of high density polyethylene by a CO2 microwave plasma is described with the aim of fixing carboxylic groups. The characterization is discussed in terms ofExpand
Study of the ageing behaviour of polymer films treated with a dielectric barrier discharge in air, helium and argon at medium pressure
Plasma treatment of polymers is gaining more and more popularity as a surface modification technique, since it offers numerous advantages over the conventional chemical processes. Plasma surfaceExpand
Enzymatic surface hydrolysis of poly(ethylene terephthalate) and bis(benzoyloxyethyl) terephthalate by lipase and cutinase in the presence of surface active molecules.
A lipase from Thermomyces lanuginosus and cutinases from Thermobifida fusca and Fusarium solani hydrolysed poly(ethylene terephthalate) (PET) fabrics and films and bis(benzoyloxyethyl) terephthalateExpand
Plasma surface modification of polystyrene and polyethylene
Polystyrene (PS) and polyethylene (PE) samples were treated with argon and oxygen plasmas. Microwave electron cyclotron resonance (ECR) was used to generate the argon and oxygen plasmas and theseExpand
Surface hydrolysis of polyacrylonitrile with nitrile hydrolysing enzymes from Micrococcus luteus BST20.
TLDR
A new Micrococcus luteus strain BST20 was isolated with ability to metabolize PAN polymers as sole carbon source, and nitrile groups on PAN fabrics were transformed to the corresponding acid as indicated by an K/S increased after dying with Methylene blue and the released ammonia. Expand
Tailoring cutinase activity towards polyethylene terephthalate and polyamide 6,6 fibers.
Cutinase from Fusarium solani pisi was genetically modified near the active site, by site-directed mutagenesis, to enhance its activity towards polyethylene terephthalate (PET) and polyamide 6,6 (PAExpand
Enzymatic Degradation of Poly(ethylene terephthalate): Rapid Hydrolyse using a Hydrolase from T. fusca
Summary: It is demonstrated that PET, which is usually regarded as ‘non-biodegradable’, can effectively be depolymerized by a hydrolase from the actinomycete Thermobifida fusca. Erosion rates of 8 toExpand
Blood-compatible biomaterials by surface coating with a novel antithrombin-heparin covalent complex.
TLDR
ATH appears to be a good candidate for coating cardiovascular devices, such as endoluminal grafts, with high levels of substitution and significant long-term blood-compatibility. Expand
...
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