Authors' correction

Kim, Chung Yip; Lee, Kwang Hee

doi:10.1002/pen.760340214

Cited by 3 publications

(3 citation statements)

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“…14a that, at the same reprocessing temperature, the impact strength is slightly reduced with increasing rotational speed. Oxidation of the polymer, particularly the rubber component, might have been a significant factor since higher rotational speeds provide more opportunity for oxygen to diffuse into the polymer (A small amount of degradation of the rubber phase would not significantly change the molecular weight distribution [6]).…”

Section: Impact and Tensile Propertiesmentioning

confidence: 99%

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Reprocessing acrylonitrile–butadiene–styrene plastics: Structure–property relationships

Bai

Isaac

Smith

2007

Polymer Engineering & Sci

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Acrylonitrile-butadiene-styrene (ABS) plastics from computer equipment housings have been reprocessed, some under various conditions of temperatures and shearing rates and others for multiple numbers of cycles. Structural changes in these reprocessed materials were investigated by infrared spectroscopy (FTIR), gel permeation chromatography, and dynamic mechanical thermal analysis. Gas chromatography/mass spectrometry was used to analyze extracts from the ABS plastics. These studies were related to measurements of the mechanical properties of the reprocessed materials, and the fracture surfaces were examined using scanning electron microscopy. It was found that impact strength was much more significantly affected than tensile properties by reprocessing. Within the range of reprocessing parameters studied, temperature had a more significant effect than shear rate on mechanical properties. Significant reductions in impact strength and slight increases in stiffness and strength, particularly following reprocessing at the highest temperature of 2708C and multiple reprocessing, were linked to loss of small molecules (including lubricants), degradation (crosslinking and scission) of the rubber phase, and changes in the morphology seen in the fracture surfaces. POLYM. ENG. SCI.,

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Section: Impact and Tensile Propertiesmentioning

confidence: 99%

“…Kim and Kang reprocessed three ABS resins five times using an extruder [6]. After extrusion, the glass transition temperature of the SAN phase was not changed.…”

Section: Introductionmentioning

confidence: 99%

Reprocessing acrylonitrile–butadiene–styrene plastics: Structure–property relationships

Bai

Isaac

Smith

2007

Polymer Engineering & Sci

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show abstract

“…The increase of the shear in the melt decreases the size of the micron-size agglomerates but it has a negative effect on the length and aspect ratio of the tactoids [14]. With respect to the effect of the molecular weight of the PP, some authors have observed that the degree of exfoliation increases when the molecular weight of PP decreases [9,15].…”

Section: Introductionmentioning

confidence: 99%