Effect of polyester polyol chain length on the properties of transparent poly (ester-urethane-acrylate)/MMA copolymer for optical applications

Maurya, Shyam Dev; Kurmvanshi, Surendra; Mohanty, Smita; Nayak, Sanjay K.

doi:10.1016/j.ijadhadh.2017.05.005

Cited by 8 publications

(7 citation statements)

References 21 publications

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“…The light transmittance of all P(MMA‐co‐HPA) copolymer was found to be around 91% to 92%. At the same time, haze values below 10.0% were observed from 5%HPA to 20%HPA . The slight decrease in transmittance and the light haze values indicated that the admirable optical properties could be largely maintained with adding HPA.…”

Section: Resultsmentioning

confidence: 92%

“…From an engineering point of view, impact strength is an essential parameter describing the brittleness and toughness of the materials. A material that undergoes very low impact strength is considered brittle, and high impact strength shows the ductile nature . As a result, adding HPA had no effect on impact strength compared with pure PMMA.…”

Section: Resultsmentioning

confidence: 99%

“…A material that undergoes very low impact strength is considered brittle, and high impact strength shows the ductile nature. 27 As a result, adding HPA had no effect on impact strength compared with pure PMMA. The tensile strength was decreased obviously for 15%HPA, 17%HPA, and 20%HPA, while the P(MMA-co-HPA) copolymer containing 5% and 10% of HPA had slight change of 55.8 and 49.0 MPa.…”

Section: Mechanical Properties Of Copolymersmentioning

confidence: 99%

“…At the same time, haze values below 10.0% were observed from 5%HPA to 20%HPA. 27 The slight decrease in transmittance and the light haze values indicated that the admirable optical properties could be largely maintained with adding HPA. 20%HPA showed a lower value of transmittance as compared to other copolymers.…”

Section: Optical Properties Of Copolymersmentioning

confidence: 99%

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Permanently antistatic and high transparent PMMA terpolymer: Compatilizer, antistatic agent, and the antistatic mechanism

Chen

Zhou

et al. 2018

Polymers for Advanced Techs

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Permanently antistatic and high transparent PMMA terpolymer, P(MMA‐co‐HPA‐co‐SPMA), were reported in this paper, providing a new method to significantly improve the antistatic properties of PMMA without sacrificing transparency. 2‐Hydroxypropyl acrylate (HPA) was chosen as a kind of compatilizer because of the good compatibility with both methyl methacrylate (MMA) and sulfopropyl methacrylate potassium salt (SPMA), a potential antistatic agent with a strong hydrophilic group. The mechanical and optical properties of P(MMA‐co‐HPA‐co‐SPMA) terpolymer barely show any visibly differences compared to PMMA homopolymer, confirmed through Fourier transform infrared, dynamic mechanical analysis, and a haze meter. Furthermore, antistatic property analysis indicates that only a small amount of SPMA can significantly improve the antistatic properties of the obtained PMMA terpolymers. The surface resistivity of the P(MMA‐co‐HPA‐co‐SPMA) sheets could be reduced to 109 Ω sq−1 order of magnitude, while the SPMA content reached 0.72 wt%. The hydrophilic groups, the hydroxyl and acrylate sulfonate, on the surface contributed to attract the water molecules, which rendered it a reasonably good antistatic property. These selected terpolymers will provide more opportunities to develop high‐performance and antistatic products made from PMMA materials.

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Section: Resultsmentioning

confidence: 92%

Section: Resultsmentioning

confidence: 99%

Section: Mechanical Properties Of Copolymersmentioning

confidence: 99%

Section: Optical Properties Of Copolymersmentioning

confidence: 99%

See 2 more Smart Citations

Permanently antistatic and high transparent PMMA terpolymer: Compatilizer, antistatic agent, and the antistatic mechanism

Chen

Zhou

et al. 2018

Polymers for Advanced Techs

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“…The difference in the Tg value for r-PMMA compared with v-PMMA may be possibly associated with molecular weight, change in structure, previous cross linking and degree of cross linking during polymerization reaction [15]. In addition to it, increase in the free volume developed due to the crosslinking during degradation could contribute to changes in the Tg values of r-PMMA were compared with v-PMMA [39]. While, DSC curves for v-PMMA and r-PMMA does not contains any first order transition, which indicates absence of melting temperature.…”

Section: Dsc Analysismentioning

confidence: 99%

Investigation into the mechanical and thermal properties of poly(methyl methacrylate) recovered from light guidance panels with a focus on future remanufacturing and sustainable waste management

2017

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Remanufacturing is recognized as a major circular economy option to recover and upgrade functions from post-use products. However, the inefficiencies associated with operations, mainly due to the uncertainty and variability of material flows and product conditions, undermine the growth of remanufacturing. With the objective of supporting the design and management of more proficient and robust remanufacturing processes, this paper proposes a generic and reconfigurable simulation model of remanufacturing systems. The developed model relies upon a modular framework that enables the user to handle multiple process settings and production control policies, among which token-based policies. Customizable to the characteristics of the process under analysis, this model can support logistics performance evaluation of different production control policies, thus enabling the selection of the optimal policy in specific business contexts. The proposed model is applied to a real remanufacturing environment in order to validate and demonstrate its applicability and benefits in the industrial settings.

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Acrylic‐ester‐polyol based novel two‐component polyurethane clear coat: Evaluation of performance characteristics

Mohanty

Nayak

2021

J of Applied Polymer Sci

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In the current study, a combination of acrylic polyol (AP) and ester polyol (EP) were synthesized and reacted at variable ratios with hexamethylene diisocyanates and isophorone diisocyanates to prepare a transparent two‐component polyurethane (PU) coating formulation. The formations of the polyol system, isocyanate system, and the PU systems were confirmed by 1H nuclear magnetic resonance and Fourier‐transform infrared spectroscopy. Transparency of the coatings was examined using haze, and gloss measurement, which showed acrylic‐ester‐polyurethane (aePU‐5 and aePU‐6) have 91.5% and 91.8% transparency and gloss of 90.3 and 90.7 GU respectively. The thermal properties like Tg and the thermal stability of the coatings were verified using differential scanning calorimetry, and thermogravimetric analysis respectively which was found to increase with increasing EP content and decreasing AP content which may be ascribed to improved compatibility of copolymers, and homogeneity in PU along with enhanced crosslinking density. The degree of adhesion of coating with the substrate was validated from lap‐shear, and cross‐cut tape test which showed improved performance at AP:EP ratio of 60:40. The coatings were found to exhibit resistance toward pencil hardness with aePU‐5 and aePU‐6 having the optimum resistance of 9H. The surface morphology and topography were observed under scanning electron microscopy, and atomic force microscopy, respectively. The outcome confirms the higher smoothness of the surfaces subjected to the increase in EP content. The PU system with 40 wt% AP content and 60 wt% EP designated as aePU‐5 was found to exhibit optimum performance.

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Effect of polyester polyol chain length on the properties of transparent poly (ester-urethane-acrylate)/MMA copolymer for optical applications

Cited by 8 publications

References 21 publications

Permanently antistatic and high transparent PMMA terpolymer: Compatilizer, antistatic agent, and the antistatic mechanism

Permanently antistatic and high transparent PMMA terpolymer: Compatilizer, antistatic agent, and the antistatic mechanism

Investigation into the mechanical and thermal properties of poly(methyl methacrylate) recovered from light guidance panels with a focus on future remanufacturing and sustainable waste management

Acrylic‐ester‐polyol based novel two‐component polyurethane clear coat: Evaluation of performance characteristics

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