A new recycling system for expanded polystyrene using a natural solvent. Part 1. A new recycling technique

Noguchi, Toshihiko; Miyashita, Mayumi; Inagaki, Yoshio; Watanabe, Haruo

doi:10.1002/(sici)1099-1522(199802)11:1<19::aid-pts414>3.0.co;2-5

Cited by 89 publications

(29 citation statements)

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“…The following vegetable oils were investigated: oleic acid (CAS registration number 112-80-1), linoleic acid (CAS registration number 60-33-3), stearic acid (CAS registration number 57-11-4), palmitic acid (CAS registration number 57-10-3), and limonene (CAS registration number 138-86-3). Although limonene is not used in OCMT, it dissolves ttyrofoam [15], and therefore, it was included in the evaluation for comparison.…”

Section: Evaluation Of Substancesmentioning

confidence: 99%

Removal of Fish Odors Form Styrofoam Packaging to Improve Recycling Potential Using Hansen Solubility Parameters

Ishida

2020

Recycling

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Styrofoam fish containers (fish boxes) are ideal for transporting fresh fish because of their light weight and insulation properties. However, due to fish-like odors, fish boxes are simply thrown out after use and are limited to low-grade recycling in Japan. To improve their recyclability, we investigated trimethylamine, which causes fish-like odor, to ascertain whether it is soluble in vegetable oil using the Hansen solubility parameter (HSP). At present, the Oshima College method (OCMT), which is used to reduce the volume of styrofoam, uses heated vegetable oil and can potentially remove the fish-like odor. In addition, the solubility of dimethyl sulfide, which causes the sea-like smell in styrofoam found drifting on shores, in vegetable oil was investigated. Our results conclude that OCMT can remove the fish- and sea-like odors found in waste styrofoam and thus improve its recycling potential.

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Section: Evaluation Of Substancesmentioning

confidence: 99%

Removal of Fish Odors Form Styrofoam Packaging to Improve Recycling Potential Using Hansen Solubility Parameters

Ishida

2020

Recycling

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“…The composite performance of materials is much better than that of domestic-related research. Sony Company’s Tsutomu Nojuchi [3] used waste paper fiber as the main raw material, mixing a certain proportion of micro-polyethylene plastic pellets into modified starch, foamed by water vapor, to prepare foam materials where the compression stress was 0.5 times that of ordinary polypropylene foam. Ganjyal [4] acetylated ordinary corn starch, adding the obtained cellulose after delignifying by strong alkali, and used ethanol reagent as a foaming agent and talc as a nucleating agent.…”

Section: Introductionmentioning

confidence: 99%

Preparation of Modified Montmorillonite—Plant Fiber Composite Foam Materials

Chen

2019

Materials

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In the present study, plant fiber foam materials have significant differences in density compared to conventional plastic foam materials. In view of the current problems of fiber foam materials, the montmorillonite (MMT) organically modified by octadecyl-dimethyl-benzyl-ammonium chloride (ODBA) was added to the preparation of composite foam materials by optimizing the existing formula. The properties of organic montmorillonite (OMMT) and the prepared composite foam materials were characterized by scanning electron microscopy (SEM), X-ray diffractometry (XRD), and a standing wave tube sound absorption tester. The results showed that the pore size inside the plant fiber foam materials with the addition of OMMT was more uniform and arranged more closely and orderly. In addition, when the OMMT was added to 0.1 g, the density of the prepared OMMT-bagasse composite foam materials reached its lowest point of 0.079 g/cm3, which was shared with high foam materials.

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“…In addition, EPS beads are hydrophobic, which results in poor bonding to cement paste. Hence, some researchers [4,5,6,7,8,9,10] have conducted experiments to improve the properties and resistance to segregation including adding some bonding additives such as aqueous epoxy emulsions and aqueous dispersions of polyvinyl propionate, chemically pre-treated EPS beads, adding ultra-fine SF to improve the bonding between EPS and cement paste, using super-plasticisers to increase the workability of concrete, and thermal modification etc. However, these techniques may not be sustainable, environmentally friendly and readily available around the world.…”

Section: Introductionmentioning

confidence: 99%

Structural behaviour of reinforced concrete beams containing a novel lightweight aggregate

Herki

Khatib

2016

IJSTRUCTE

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This paper reports the results of an experimental investigation into the structural behaviour of reinforced concrete beams incorporating a novel EPS-based Lightweight Aggregate (LWA) called Stabilised Polystyrene (SPS) aggregate. Four concrete mixtures with Water to Cement ratio (W/C) of 0.8 were used. The replacement levels of natural aggregate by SPS were 0, 30, 60 and 100%. The volume ratio to manufacture SPS aggregate was 8:1:1 (80% waste EPS: 10% cement: 10% clay). A total of 24 beams were cast and tested at 28-day age. Three types of tension reinforcement were used: 2 bars, 3 bars and 2 bars + shear links. There were no compression bars at the top for all beams. Four pointloading flexural tests were conducted up to failure. In general, it can be observed that the structural behaviour of SPS concrete beams is similar to that of other types of lightweight aggregate concretes used around the world.

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A new recycling system for expanded polystyrene using a natural solvent. Part 1. A new recycling technique

Cited by 89 publications

References 0 publications

Removal of Fish Odors Form Styrofoam Packaging to Improve Recycling Potential Using Hansen Solubility Parameters

Removal of Fish Odors Form Styrofoam Packaging to Improve Recycling Potential Using Hansen Solubility Parameters

Preparation of Modified Montmorillonite—Plant Fiber Composite Foam Materials

Structural behaviour of reinforced concrete beams containing a novel lightweight aggregate

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