Poly interpenetrating polymer networks with

With controllable strength of the self- and hetero-associated hydrogen, a molecular level penetrated semi-interpenetrating polymer networks (semi-IPNs) of ST-VPDMS with poly(N-vinylpyrrolidone) (PVPr) were prepared by condensation of the self-associated silanols.13... 

Hamurcu EE, Baysal BM. (1995) Interpenetrating polymer networks of poly(dimethylsiloxane) with polystyrene, polybutadiene and poly(glycerylpropoxytriacrylate) Macromol. Chem. Phys. 196 1261-76... 

In our laboratory, much attention has been devoted to the investigation of in situ sequential polyurethane/poly(methyl methacrylate) interpenetrating polymer networks (SEQ PUR/PAc IPNs) (2- ) in which the elastomeric polyurethane network is completely formed in the presence of the methacrylic monomers before the onset of the radical copolymerization which leads to the second network. To each polymerization process corresponds a typical kinetics, which however is not completely independent from each other ( -8). The results obtained with such SEQ IPNs show that the properties do in... 

Materials for intervertebral disc replacement — Interpenetrating polymer networks based on crosslinked poly(vinyl alcohol) were prepared by impregnating the PVA matrix with hydrophilic and hydrophobic monomers and subsequently irradiating with gamma rays [22],... 

Y. Kaneko, R. Yoshida, K. Sakai, Y. Sakurai and T. Okano, Temperature-responsive shrinking kinetics of poly(Y-isopropylacrylamide) copolymer gels with hydrophilic and hydrophobic comonomers, J. Membr. Sci., 1995, 101, 13 Y.H. Lim, D. Kim and D.S. Lee, Drug releasing characteristics of thermo- and pH-sensitive interpenetrating polymer networks based on poly(W-isopropylacrylamide), J. Appl. Polym. Sci., 1997,... 

Lee, S.B., Park, E.K., Lim, Y.M. et al. 2006. Preparation of alginate/poly(N-isopropylacrylamide) semi-inteipenetrating and fully interpenetrating polymer network hydrogels with y-ray irradiation and their swelling behaviors. JAppl Polym Sci. 100 4439 446. 

Processable PAA/PANI-NF and poly(2-acrylamido-2-methyl propyl-sulfonic acid-acrylic acid)/PANI-NF conducting hydrogels with an interpenetrating polymer network structure have recently been synthesized [456]. 

Lately, our research on this polymer has been extended to its Interpenetrating Polymer Networks (IPNs) with poIy(acrylate)s. These materials are used as components of structural composites in the automotive and electronic industries (e.g. in printed circuit boards). Among them, the most used is that made of poly(DCPD) and PMMA 30). 

A. FIPN s, PDIPN s and linear blends of poly(2,6-dimethy1-1,4-phenylene oxide) and polystyrene all exhibited single phase behavior as evidenced by glass transition analysis and electron microscopy. Thus, for the first time, true interpenetrating polymer networks have been produced, i.e., homogeneous morphology with little or no possibilities of covalent bonds between the component pol3nners. 

Electrical properties such as conductivity, resistivity, I (current)-V (voltage) characteristics of vegetable oil-based polyurethane nanocomposites are sometimes influenced by nanocomposite formation with a suitable nanomaterial. BaTiOs superfine fibre-filled castor oil-modified polyure-thane/poly(methyl methacrylate) interpenetrating polymer network nanocomposites exhibit an increase in conductivity between insulator and semiconductor with an increase in nanofibre loading. ... 

A series of castor oil polyurethane/poly(methyl methacrylate) interpenetrating polymer networks (IPNs) and gradient IPNs, cured at room temperature, were prepared by a simultaneous IPN method, and nanocomposites with BaTiOs superfine fibre were reported for the systems. A dose-dependent improvement in thermoelectric and mechanical properties was observed in the nanocomposites compared to the pristine systems. 

The obvious interest in interpenetrating polymer networks (IPN) based on very different macromolecu-lar structures has spurred some studies involving terpenols. Thus the synthesis of IPN involving poly(St) and poly(citronellol-alf-MMA) [87] and of poly(a-terpineol-co-St) with ethyl acrylate crosslinked with divinylben-zene have been reported [74]. 

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