Innovations in Pressure-Sensitive Adhesive Products

Author: devilreload Date 26-04-2017, 18:58   
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Innovations in Pressure-Sensitive Adhesive Products

Innovations in Pressure-Sensitive Adhesive Products by Mikhail M Feldstein and Alexander P Moscalets
English | 2016 | ISBN: 1910242667 | 140 pages | PDF | 5,2 MB
Self-adhering (tacky) materials or pressure-sensitive adhesives (PSA) form an essential part of our everyday lives, with new applications of PSA arising all the time across various industries. The vast majority of existing PSA are hydrophobic rubber-like polymers, which means they don't mix well with polar molecules. However, it is precisely that quality that would be of greatest practical use in contemporary industry and medicine.

This book describes innovative hydrophilic PSA based on stoichiometric hydrogen bonded complexes of long-chain polymers (with repeating electron-donating functional groups) with complementary telechelic oligomers (with proton-donating terminal groups).

These types of adhesives can be easily produced by simple mixing of parent polymers and oligomers in solutions or in

melts. Unlike conventional hydrophobic adhesives, these hydrophilic adhesives are miscible with a range of chemical substances that have hydrogen bonding or ionic functional groups in their molecules. This includes numerous drugs, polyelectrolytes, electroconducting or physiologically active compounds, proteins and so on.

The book shows the molecular design principles and distinctive characteristic features of various functional adhesive products based on innovative tacky polymer composites, including:

'Smart' thermo-switchable adhesives adhering towards the substrates of different polarity and hardness
Mussel-inspired adhesives functioning in aqueous media
Transdermal patches for enhanced drug delivery
Tooth whitening strips with tailored adhesion towards dental tissues
The lack of adhesion to mucosal membranes in oral cavity
Many other advanced products for medical, cosmetic and industrial applications

The number of functional polymers that can be used as parent components for producing novel adhesives is very large, suggesting that the polymer blending approach may revolutionise the adhesive industry in the coming decades.




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Tags: Innovations, Pressure, Adhesive, Products

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