Adhesion of polymers by R A Veselovskiĭ; V N Kestelʹman

By R A Veselovskiĭ; V N Kestelʹman

Show description

Read Online or Download Adhesion of polymers PDF

Best plastics books

Hydrogels: Synthesis, Characterization and Applications

Hydrogels are polymeric networks with three-d configurations able to imbibing excessive quantities of water or organic fluids. the applying of hydrogels know-how is being normal within the pharmaceutical as drug supply platforms. during this booklet, the authors current present study within the research of the synthesis, characterisation and purposes of hydrogels.

Designing plastic parts for assembly

This publication offers a very good device for either professional half designers and newbies to the sphere, facilitating cost-effective layout judgements and making sure that the plastic elements and items will rise up below use. The precise, but simplified dialogue of fabric choice, production suggestions, and meeting systems allows the reader to judge plastic fabrics and to thoroughly layout plastic elements for meeting.

Corrosion protection of metals by intrinsically conducting polymers

Using undertaking polymers for the anticorrosion safety of metals has attracted nice curiosity over the past 30 years. The layout and improvement of carrying out polymers-based coating structures with advertisement viability is anticipated to be complex by way of utilizing nanotechnology and has got vast recognition lately.

Recycling of PVC and Mixed Plastic Waste

The thermal instability of PVC poses difficulties in soften recycling procedures yet its widespead use in excessive quantity construction calls for that sensible suggestions needs to be came upon. one of the themes receiving distinct awareness are stabilizers, compatibilisers, contaminants, UV balance, combined plastics wastes, and mixing applied sciences.

Additional resources for Adhesion of polymers

Example text

The separation of surfactant Adhesive Properties Control by Surface-Active Substances 45 from the polymerizing adhesive with added surfactant can cause abrupt decreases of the adhesion strength because the reaction between the adhesive and the substrate in this case will be carried out via a layer of low-molecular weight substances that has low cohesion strength. For RS substances there is no threat of formation of the weak boundary layers because the polymerization of systems with RS substances does not result in separation into macrophases.

Adhesive Properties Control by Surface-Active Substances 39 [70, 97, 98]. Consequently, the surface tension of the polymerizing system with added surfactant is affected both by changes of the structure and the chemical composition of the polymerizing oligomer and by the change of surfactant colloid-chemical properties. To obviate difficulties in separation of these two factors, DEG-1 epoxy resin was selected as an oligomeric solvent. The surface tension of DEG-1 when reacting with PEPA does not change up to a considerable degree of conversion.

3 suggest that the primary contribution to increase of the system CCMF is made by the increase of the surfactant solubility. In fact, CCMFPR estimated by the micellar mass for conditions where surfactant molecule branching is more extensive than that of OAA, is 3-fold lower than CCMF determined experimentally. Thus, at least 2/3 of the CCMF growth is caused by increase of the surfactant affinity for the solvent. The decrease of the aggregation of surfactant particles in the course of reaction is confirmed by light scattering studies.

Download PDF sample

Rated 4.39 of 5 – based on 49 votes