Polymers

Polymeric materials are important in technology. Studies of the chemical composition in search of trace elements, of the topography for tribologic reasons and of chemical resistivity can be performed by XPS, AFM and NAP-XPS.

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APPLICATION NOTES

Monochromatic XPS Performance with insulating polymeric materials
Monochromatic XPS Performance with insulating polymeric materials
The high resolution capability of the PHOIBOS 150 MCD-9 analyzer, the FOCUS 500 monochromator and the FG 15/40 flood gun was demonstrated by XPS measurements on a PET (Polyethylene terephthalate) surface.
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Investigation of Polymers and Plastics with EnviroESCA
Investigation of Polymers and Plastics with EnviroESCA
This application note describes how EnviroESCA can be used to analyze the surface of polymers and bulk insulating material. EnviroESCAs ability to perform X-Ray Photoelectron Spectroscopy (XPS) at non vacuum conditions shows its main advantage when being applied to insulating material. Specimens that tend to charge up under vacuum conditions and need to be extensive charge compensated with expensive low energy electron and low energy ion sources can be measured with ease and without the problem of overcompensation.
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Investigation of Hydrogel Contact Lenses with EnviroESCA
Investigation of Hydrogel Contact Lenses with EnviroESCA
In this application note we analyze the surface of water filled hydrogels with EnviroESCA, Here, contact lenses serve as an example for medical and biomaterials. The advantage of such investigations under non ultrahigh vacuum conditions is demonstrated and results from wet and dry samples are compared.
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Investigation of a Superabsorbent Polymer (SAP) with EnviroESCA
Investigation of a Superabsorbent Polymer (SAP) with EnviroESCA
In this study we show how EnviroESCA can be used to analyze the surface of superabsorbent polymers under different environmental conditions. EnviroESCA’s ability to perform X-ray Photoelectron Spectroscopy (XPS) under ambient conditions shows its main advantage when being applied to insulating material that change their surface (chemistry) when they come in contact with different liquids and gases - in this case water. Specimens that tend to charge up under vacuum conditions can be measured with ease.
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