Description
Grafting/Characterization Techniques/Kinetic Modeling Please note: this item is printed on demand and will take extra time before it can be dispatched to you (up to 20 working days). Author(s): H. Galina, Y. Ikada, K. Kato, R. Kitamaru, J. Lechowicz, Y. Uyama, C. Wu Format: Paperback Publisher: Springer-Verlag Berlin and Heidelberg GmbH & Co. KG, Germany Imprint: Springer-Verlag Berlin and Heidelberg GmbH & Co. K ISBN-13: 9783662147559, 978-3662147559 Synopsis Most of the untreated surfaces of polymers used in industry are not hydrophilic but hydrophobic. It is, therefore, difficult to bond these nonpolar polymer sur faces directly to other substances like adhesives, printing inks, and paints because they generally consist of polar compounds. On the other hand, polymer surfaces generally adsorb proteins when brought into direct contact with a bio logical system, resulting in cell attachment or platelet aggregation. The protein adsorption and attachment of biological components trigger a subsequent series of mostly adverse biological reactions toward the polymeric materials. Therefore, the technologies for surface modification of polymers or regulation of the polymer surface interaction with other substances have been of prime importance in polymer applications from the advent of polymer industries. Some of the technologies have been directed to introduction of new function alities onto polymer surfaces. The new functionalities introduced include improved surface hydrophilicity, hydrophobicity, bio compatibility, conductivi ty, anti-fogging, anti-fouling, grazing, surface hardness, surface roughness, adhesion, lubrication, and antistatic property. Theoretically, there is a large dif ference in properties between the surface and the bulk of a material and only the outermost surface is enough to be taken into consideration when the sur face properties are concerned. However, this is not the case for polymer surfaces, as the physical structure of the outermost polymer surface is generally not fixed but continuously changing with time due to the microscopic Brownian motion of polymer segments.
Jackrose9738
A smooth and professional transaction throughout. The item was exactly as described, clearly listed, and fairly priced. Communication from the seller was prompt, polite, and helpful, with dispatch confirmed quickly. The parcel was securely packaged and arrived in excellent condition, ahead of the expected delivery date. Care was taken at every stage of the process. I would be happy to buy from this seller again—many thanks for a reliable and well-handled sale.
Νίκος Γιαλίτσης
Fantastic experience with this seller. I had an issue with the clay in my kit being dried out, which is something they couldn't have known about before me opening the box. I sent them a message and they replied quickly and kindly with a resolution, replacing my kit for me. Overall the kit was fantastic value and arrived brand new, in perfect condition bar the clay. Very trustworthy and helpful.
user13357191
I'm a repeat customer of Books etc. I've always found them completely reliable. On this occasion, though, my order went astray. The response was to send me a replacement via courier. I'd say that's the test of an excellent seller - if there's a problem, get it sorted quickly. As ever, price, condition, packaging, and so on, were all A1. Would definitely recommend.