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A mold surface treatment for improving surface finish of injection molded microcellular parts
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Titre du document / Document title
A mold surface treatment for improving surface finish of injection molded microcellular parts
Auteur(s) / Author(s)
YOON Jae D. (1) ; HONG Soon K. (1) ; KIM Ji H. (1) ; CHA Sung W. (2) ;
Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)
(1) PRC of LG Electronics, Cheongho-Ri 19-1, Pyeongtaek-Si, Jinwuy-Myun, Kyunggi-Do, COREE, REPUBLIQUE DE
(2) School of Mechanical Engineering, Yonsei University, Seoul 120-749, COREE, REPUBLIQUE DE

Résumé / Abstract
Micro-cellular foaming technology draws attention due to the enhancement of mechanical strength, which has been considered as a weak point of current plastic foaming technology. Foam materials produced by this technology offer improved consistency and homogeneity of cell structure, which can result in products with superior properties and uniformity(1). Thus it is widely used for commercial purposes and its market is now growing significantly. However, since the foamed injection parts have swirl marks on its surface, this technology has limited uses such as interior products, in spite of its diverse merits. In this paper, we propose surface treatment of the mold as a way to remove the swirl mark. We injected simple shape specimens with PP and PC/ABS materials and measured the surface quality values such as roughness and gloss. Also we researched the foaming characteristics of both treated and untreated surface using SEM analysis.
Revue / Journal Title
Cellular polymers ISSN 0262-4893 CODEN CELPDJ
Source / Source
2004, vol. 23, no1, pp. 39-47 [9 page(s) (article)] (15 ref.)
Langue / Language
Anglais

Editeur / Publisher
Rapra Technology, Shrewsbury, ROYAUME-UNI (1982) (Revue)

Mots-clés anglais / English Keywords
Experimental study ; Morphology ; Structure processing relationship ; Polyetheretherketone ; Surface treatment ; Swirl defect ; Surface defect ; Injection molding ; Foaming process ; ABS ; Polymer blends ; Polycarbonate ; Propylene polymer ; Foam(plastics) ;
Mots-clés français / French Keywords
Moulage injection alvéolaire ; Microalvéolaire ; Etude expérimentale ; Morphologie ; Relation mise en oeuvre structure ; Etherethercétone polymère ; Traitement surface ; Défaut swirl ; Défaut surface ; Moulage injection ; Procédé expansion ; ABS ; Mélange polymère ; Carbonate polymère ; Propène polymère ; Alvéolaire ;
Mots-clés espagnols / Spanish Keywords
Estudio experimental ; Morfología ; Relación puesta en marcha estructura ; Eter éter cetona polímero ; Tratamiento superficie ; Defecto turbulencia ; Defecto superficie ; Moldeo por inyección ; Procedimiento expansión ; Acrilonitrilo butadieno estireno copolímero ; Carbonato polímero ; Propeno polímero ; Alveolar ;
Localisation / Location
INIST-CNRS, Cote INIST : 18363, 35400011665982.0030

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