Radiation Curing — A Personal Perspective

Pappas, S. Peter

doi:10.1007/978-1-4899-0712-7_1

Cited by 27 publications

(33 citation statements)

References 25 publications

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“…Energy curing provides an option toward solventless coating where low-molecular-weight (MW) polymers/ oligomers or monomers are cured into cross-linked, high-molecular polymers instantly under electron beam (EB) or ultraviolet light (UV). 42 Compared with thermal oven drying, energy curing provides three benefits: (1) less space needed by the UV/EB unit enabling a reduced footprint, (2) lower energy consumption for UV/EB unit, and (3) high throughputs ascribed to the fast curing speed from UV/EB technology. Compared with UV curing, EB curing does not need photoinitiators and has greater penetration depth, which is adjustable from the accelerating voltage of the electron beam.…”

Section: Aqueous Processingmentioning

confidence: 99%

Toward Low-Cost, High-Energy Density, and High-Power Density Lithium-Ion Batteries

Ruther

et al. 2017

JOM

227

136

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Reducing cost and increasing energy density are two barriers for widespread application of lithium-ion batteries in electric vehicles. Although the cost of electric vehicle batteries has been reduced by $70% from 2008 to 2015, the current battery pack cost ($268/kWh in 2015) is still >2 times what the USABC targets ($125/kWh). Even though many advancements in cell chemistry have been realized since the lithium-ion battery was first commercialized in 1991, few major breakthroughs have occurred in the past decade. Therefore, future cost reduction will rely on cell manufacturing and broader market acceptance. This article discusses three major aspects for cost reduction: (1) quality control to minimize scrap rate in cell manufacturing; (2) novel electrode processing and engineering to reduce processing cost and increase energy density and throughputs; and (3) material development and optimization for lithium-ion batteries with high-energy density. Insights on increasing energy and power densities of lithium-ion batteries are also addressed.

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Section: Aqueous Processingmentioning

confidence: 99%

Toward Low-Cost, High-Energy Density, and High-Power Density Lithium-Ion Batteries

Ruther

et al. 2017

JOM

227

136

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“…effect. 19 To determine the effect of the postcure 3976 / 8e99$$3976 04-21-97 23:44:02 polaas W: Poly Applied and other composites exposed to heat and moisture has been well documented in the literature.…”

Section: Postcure and Moisture Effects In Photocured Compositesmentioning

confidence: 99%

Fabrication and mechanical characterization of glass fiber reinforced UV-cured composites from epoxidized vegetable oils

Crivello

Narayan

Sternstein

1997

J. Appl. Polym. Sci.

111

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Novel fiberglass-reinforced composites were fabricated by the ultraviolet and visible (solar) irradiation of epoxidized vegetable oils in the presence of onium salt cationic photoinitiators. A variety of layup techniques and experimental conditions were explored to optimize composite fabrication. It was demonstrated that composites prepared by wet layup techniques containing up to five plies of glass cloth could be cured by a direct, 25-min exposure to solar irradiation. A series of composite samples were prepared using mixtures of epoxidized vegetable oils and synthetic epoxy resins, and their mechanical properties were evaluated. Based on these measurements, it may be concluded that photochemical routes to the fabrication of composites derived from epoxidized vegetable oils provide a simple, direct, and inexpensive route to the fabrication of composites with many potential low-performance applications.

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“…Typical onium‐based epoxy systems respond throughout the UV‐near visible spectral region. The mechanisms for cationic‐based cure initiation and propagation have been discussed in earlier publications 2–6…”

Section: Introductionmentioning

confidence: 99%

Cure kinetics for the ultraviolet cationic polymerization of cycloliphatic and diglycidyl ether of bisphenol‐A (DGEBA) epoxy systems with sulfonium salt using an auto catalytic model

Abadie

Chia

Boey

2002

J of Applied Polymer Sci

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This paper investigates the cure kinetics for the ultraviolet (UV) cationic polymerization for both a cycloaliphatic and diglycidyl ether of bisphenol-A (DGEBA) epoxy system, using the photoinitiator triarylsulfonium hexafluoroantimonate salt. Using an autocatalytic kinetic cure model, the reaction rate values for both cycloaliphatic and DGEBA epoxy systems were determined for different photoinitiator amount (wt %) added, and at different UV exposure temperatures. The value for the cycloaliphatic epoxy increased significantly with addition of the sulfonium salt, reaching a limiting maximum after 2%. The value for the DGEBA epoxy system also increased, to a limiting maximum after 3%. Addition of the sulfonium salt significantly lowered the activation energy for the cycloaliphatic epoxy at all levels of addition, with the reduction proportional to the amount of salt added. In contrast, the sulfonium salt did not have a major effect on the DEGBA until the addition of at least 3% of the salt.

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Radiation Curing — A Personal Perspective

Cited by 27 publications

References 25 publications

Toward Low-Cost, High-Energy Density, and High-Power Density Lithium-Ion Batteries

Toward Low-Cost, High-Energy Density, and High-Power Density Lithium-Ion Batteries

Fabrication and mechanical characterization of glass fiber reinforced UV-cured composites from epoxidized vegetable oils

Cure kinetics for the ultraviolet cationic polymerization of cycloliphatic and diglycidyl ether of bisphenol‐A (DGEBA) epoxy systems with sulfonium salt using an auto catalytic model

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