Polyisobutene/polystyrene interpenetrating polymer networks: Effects of network formation order and composition on the IPN architecture

Vancaeyzeele, Cédric; Fichet, Odile; Laskar, Judith; Boileau, Sylvie; Teyssié, Dominique

doi:10.1016/j.polymer.2006.01.026

Cited by 24 publications

(18 citation statements)

References 30 publications

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“…Figure 1 indicates, as expected,4, 26, 27 increasing the percentage of PMMA caused a reduction in tan δ max of the NR component. As the height of the tan δ peak reflects the relative quantities of each component present in such composites, this reduction can be primarily attributed to the reduction in rubber content 28, 29.…”

Section: Resultssupporting

confidence: 83%

“…[24][25][26] A shift of 4 C has also been observed in the NR T g transition in PMMA radiation grafted NR, 26 suggesting that the grafting of PMMA to NR will result in an increase of the NR T g . Figure 1 indicates, as expected, 4,26,27 increasing the percentage of PMMA caused a reduction in tan d max of the NR component. As the height of the tan d peak reflects the relative quantities of each component present in such composites, this reduction can be primarily attributed to the reduction in rubber content.…”

Section: Dynamic Mechanical Propertiessupporting

confidence: 81%

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The effect of composition on the dynamic and mechanical properties of natural rubber–poly(methylmethacrylate) blends

Jayasuriya¹,

Hourston²

2009

J of Applied Polymer Sci

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The miscibility of the components in natural rubber-poly(methylmethacrylate) blends for potential use as reinforced rubbers was evaluated using the glass transition temperatures, peak widths of the loss tangent peak at the glass transition and the complex heat capacity data obtained from dynamic mechanical thermal analysis (DMTA), and modulated differential scanning calorimetry (MDSC). In addition, the effect of the poly(methylmethacrylate) content on the dynamic mechanical and the physical properties such as tensile behavior and hysteresis loss was studied. DMTA and MDSC data clearly indicated that the blends were phase-separated. Nevertheless, the glass transition temperature of the natural rubber component in the 30-50 wt % NR/PMMA blends has shifted to higher temperatures compared to the natural rubber treated under the same condition, indicating some limited extent of mixing of components in these blends. The physicomechanical properties including moduli at 100, 300, and 500% and tensile strength of the NR/PMMA blends were determined. Incorporation of PMMA into NR matrix improved the strength properties of the NR/PMMA blends prepared reasonably akin to interpenetrating polymer networks (IPN) polymerization method.

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Section: Resultssupporting

confidence: 83%

Section: Dynamic Mechanical Propertiessupporting

confidence: 81%

The effect of composition on the dynamic and mechanical properties of natural rubber–poly(methylmethacrylate) blends

Jayasuriya¹,

Hourston²

2009

J of Applied Polymer Sci

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“…Different examples can be given: acrylate/epoxide, (e.g., hexanediol diacrylate (HDDA)/3,4-epoxycyclohexylmethyl-3'4' epoxycyclohexyl carboxylate (EPOX)), trimethylolpropane triacrylate (TMPTA)/EPOX, TMPTA/diglycidyl ether of bisphenol A based epoxy resin EP, TMPTA/tri(ethylene glycol) divinyl ether (DVE-3), TMPTA/4-cyclo-hexane dimethanol divinyl ether (CHVE), fluorinated acrylate/epoxide, vinylether/acrylate, vinylether/maleate, vinylether/maleimide or oxetane/acrylate blends, (see e.g., in [19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35]) anthracene-labeled polystyrene/methyl methacrylate MMA/ethylene glycol dimethacrylate [36], polyisobutene/polystyrene [37], polyacrylate/polybenzoxazine [38], acrylic/liquid crystals [39,40], 2-hydroxyethyl methacrylate/N-vinyl-2-pyrrolidone [41], polyurethane/poly(2-hydroxyethyl methacrylate) [42], calcium alginate/dextran-HEMA [43].…”

Section: Monomers For the Manufacture Of Ipns Through Photopolymerizamentioning

confidence: 99%

Photochemical Production of Interpenetrating Polymer Networks; Simultaneous Initiation of Radical and Cationic Polymerization Reactions

Fouassier

Lalevée

2014

Polymers

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Abstract:In this paper, we propose to review the ways to produce, through photopolymerization, interpenetrating polymer networks (IPN) based, e.g., on acrylate/epoxide or acrylate/vinylether blends and to outline the recent developments that allows a one-step procedure (concomitant radical/cationic polymerization), under air or in laminate, under various irradiation conditions (UV/visible/near IR; high/low intensity sources; monochromatic/polychromatic sources; household lamps/laser diodes/Light Emitting Diodes (LEDs)). The paper illustrates the encountered mechanisms and the polymerization profiles. A short survey on the available monomer systems and some brief examples of the attained final properties of the IPNs is also provided.

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“…The rate constant for the PU formation between HTPB and IPDI was obtained from the slope of the straight line by plotting the P/(1 − P) versus time according to the following equation [26]:…”

Section: Determination Of the Reaction Rate Constantsmentioning

confidence: 99%

“…where PNCO represents the conversion of isocyanate groups, C represents the absorbance values at 2260 cm −1 /1640 cm −1 in the FT-IR spectra, and the subscripts of 0 and t denote reaction times. The rate constant for the PU formation between HTPB and IPDI was obtained from the slope of the straight line by plotting the P/(1 − P) versus time according to the following equation [26]:…”

Section: Determination Of the Reaction Rate Constantsmentioning

confidence: 99%

Kinetic Research on the Curing Reaction of Hydroxyl-Terminated Polybutadiene Based Polyurethane Binder System via FT-IR Measurements

et al. 2018

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Polyurethane binder systems based on hydroxyl-terminated polybutadiene (HTPB) possess several superior properties such as superior adhesion, high solid-loading capacity, outstanding mechanical performance, etc. They have been widely used in coatings and adhesives as well as in medical and military industries. The cure reaction between hydroxyl-terminated polybutadiene (HTPB) and diisocyanates plays a key role in the properties of final products as well as the adjustment of process parameters. FT-IR spectroscopy is applied to investigate the kinetics of the curing reaction of HTPB and isophorone diisocyanate (IPDI) in the presence of a low toxic and low viscosity catalyst, stannous isooctoate (TECH). The concentrations of the isocyanate groups (NCO) characterized by FT-IR during the cure reaction with respect to time were recorded at different temperatures and at constant stoichiometric ratio R n[NCO]/n[OH] = 1.0. The kinetic parameters, i.e., activation energy (E a), pre-exponential factor (A), activation enthalpy (∆H) and activation entropy (∆S) were determined. In addition, the curing process and mechanism of the HTPB-IPDI reaction are discussed.

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Polyisobutene/polystyrene interpenetrating polymer networks: Effects of network formation order and composition on the IPN architecture

Cited by 24 publications

References 30 publications

The effect of composition on the dynamic and mechanical properties of natural rubber–poly(methylmethacrylate) blends

The effect of composition on the dynamic and mechanical properties of natural rubber–poly(methylmethacrylate) blends

Photochemical Production of Interpenetrating Polymer Networks; Simultaneous Initiation of Radical and Cationic Polymerization Reactions

Kinetic Research on the Curing Reaction of Hydroxyl-Terminated Polybutadiene Based Polyurethane Binder System via FT-IR Measurements

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