PMMA shell

Fig. 3.5. TEM image of a cut through a SAN matrix with incorporated core/double shell particles, dark core PMMA bright area PBA shell diameter of the particlesof the first shell about 220 nm the second PMMA shell is compatible with SAN matrix, therefore the contrast is very weak (details see references at the end of Chap. 3)...

For example, Mandal et al. have reported the synthesis of Au core-shell NPs containing a gold core and poly(methyl methacrylate) (PMMA) shells by surface-confined living radical polymerization on gold nanoparticles. The synthesis of Au NPs has been carried out in the presence of 11-mercaptoundecanol (MUD) and subsequent esterification with 2-bromoisobutyryl bromide (BIB). Atom transfer... 

MBS rubber KCA-102, core-shell with PMMA shell (Kureha Chemical Co., Japan). 

MBS with controlled size of the elastomeric particles transparent Copolymer of vinylchloride, alkyl acrylate, and vinyhdene chloride Butadiene-styrene-methylacrylate-ethylacrylate Core-shell crosslinked ABS with grafted onto it PMMA shell PB-grafted with MM A, styrene and vinyl acetate Poly(butadiene-co-butyl acrylate-co-styrene)... 

Partially crosslinked ABS core and PMMA shell (a MABS)... 

IPN crosslinked PBA, crosslinked uncrosslinked SAN Poly(p-hydroxy styrene), PVPh and EVAl Acrylic core-shell copolymer and either PBT or PET Poly(allyl methacrylate-co-butyl acrylate-co-butanediol dimethacrylate-co-styrene-co-methyl methacrylate) or poly (aery lonitrile-co-butyl aery late-co-tricy clodeceny 1 aery late-co- styrene) Poly(acrylate-V-cyclohexyl maleimide), PMI, and a copolymer PMMA — core, crosslinked butyl acrylate-styrene copolymer — middle layer, and PMMA shell d = 200-300 nm PEG/atactic PMMA blends were characterized by PVT at T = 20-200°C and P = 0-200 MPa. Free volume fraction was calculated from an equation of state... 

Use has been made of the miscibility of polycarbonate and PMMA to assist in toughening poly(buiylaie terephthalate) with core-shell particles which have a PMMA shell [138]. By addition of a small amoimt 10 wt%) of polycarbonate, the immiscibility of PMMA and poly(butylene terephthalate) is overcome and good particle dispersions are achieved. The polycarbonate simply acts as an interfacial agent. The mechanism of toughening in this system has been studied... 

Various compatibilizing agents have been used to assist in the toughening of polyamides by core-shell particles Qontaining PMMA shells they include copolymers of styrene with maleic anhydride [150] and with acrylic acid [151]. Good particle dispersions and interfaces are achieved because the copolymers are miscible with the PMMA shells of the particles and react with the polyamide matrix. Blends of polyamides with ABS have been extensively studied, with copolymers of styrene and maleic anhydride again used as compatibilizers [152-156]. 

In this type of polymerization, it is important to study the parameters as initiator, monomer, stabilizer concentration, and the reaction time on the characteristics of the final micrcapsules. In this methodology, the inherent simplicity of the single-step process makes the procedure useful. Typical examples are alcohols, alcohol-ether, and alcohol-water mixtures. By UV photoinitiated dispersion polymerization, Wang et al. prepared a composite composed by stearic acid PCM in PMMA shell. 

PBA core/PMMA shell (particle size 0.137-0.139 pm, different rubber type), different crosslink 1 0.23 - 0.56 08Maf... 

Electrochemical Techniques, Fig. 3 Schematics illustrating the (A) elevation, (B) side, and (C) oblique views of a magnet-containing electrode holder (n), (D) a detection electrode (h) sandwiched between two small silicon rubber blocks (g), ( ) oblique view of (n) with (h) assembled, (F) a magnet-assisted alignment device for CE-AD. (a) Square hole on the backside of a PMMA shell (b), (c) NdFeB magnet, (d) round positioning hole, (e) PET film,... 

Core-shell cross-linked ABS with grafted rmto it PMMA shell Miehel 1969... 

Poly(acrylate-A-cyclohexyl maleimide), PMI, and a copolymer PMMA - core, cross-linked butyl acrylate-styroie copol5oner - middle layer and PMMA shell, d = 200-300 run Shen 1994... 

---