Advances in Elastomers I: Blends and Interpenetrating by P. Deepalekshmi, P. M. Visakh, Aji. P. Mathew, Arup K.

By P. Deepalekshmi, P. M. Visakh, Aji. P. Mathew, Arup K. Chandra (auth.), P. M. Visakh, Sabu Thomas, Arup K. Chandra, Aji. P. Mathew (eds.)

This is the 1st quantity of a two-volume paintings which summarizes in an edited layout and in a pretty finished demeanour a few of the fresh technical study accomplishments within the sector of Elastomers. “Advances in Elastomers” discusses some of the makes an attempt mentioned on fixing those difficulties from the perspective of the chemistry and the constitution of elastomers, highlighting the drawbacks and benefits of every process. It summarize the significance of elastomers and their multiphase structures in human lifestyles and undefined, and covers the entire issues with regards to contemporary advances in elastomers, their blends, IPNs, composites and nanocomposites.

This first quantity makes a speciality of advances at the blends and interpenetrating networks (IPNs) of elastomers.

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Extra resources for Advances in Elastomers I: Blends and Interpenetrating Networks

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Chloro butyl and bromo butyl rubber are specifically used in inner tubes, inner liners, automotive parts, electric wires and industrial goods. Special purpose elastomers are again classified into high volume specialty elastomers such as EPDM and polychloroprene and also low volume specialty elastomers such as silicone rubber, polyurethanes and fluoro elastomers. A detailed study about the special purpose elastomers, their mode of synthesis, curing behavior, end use applications etc. has been given in this chapter.

18). The uncrosslinked, blended elastomer polymers or prepolymers must be initially miscible to allow the interpenetrating network to form at the molecular level. As the separate crosslinking reactions proceed, the polymers entropically phase separate forming the co-continuous networks. Both polymer could be elastomers, or one an elastomer and the other a polymer to enhance toughness. For example, an acrylate-modified polyurethane was interpenetrated with an unsaturated polyester resin to form a gradient IPN.

Thermoplastic elasomers based on poly(ethyleneco-vinyl acetate) have been used to form nanocomposies with organo-modified layered double hydroxides (LDH) where the LDH exfoliated upon dispersion. The mechanical properties where increased while thermal degradation resistance and fire retardance improved [40]. Nano-silica particles are now included in many elastomeric products, polysiloxane being the main examples, however silca has been found to enhance hydrocarbon elastomers. Silica was included in solution polymerisaed poly(butadiene-co-styrene) and produced a non-linear stress relaxation due to the juxtaposition of an elastomer network and a silica network that both contributed to the non-linearity [41].

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