Noble aluminum-pigmented metallic polymers II: Effects of inorganic filler on weld- and flow-line visibility

Aluminum flakes, inorganic filler, and Acrylonitrile–butadiene–styrene (ABS) polymer were mixed to form noble aluminum-pigmented metallic polymers. The effects of inorganic filler on weld- and flow-line visibility were investigated using field-emission scanning electron microscopy and energy-dispers...

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Autores principales:	Lim Jung Seop, Kwon Kwang Yeol, Hur Kyung Beom, Cho Cheol Hee, Lee Gyoo-Chul, Cheon Si-uk, Cho Sung Hwan
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2022
Materias:	Aluminum-pigmented metallic polymer Inorganic filler Weld and flow lines Polymers and polymer manufacture TP1080-1185
Acceso en línea:	https://doaj.org/article/8e71d8cf6a274acdaa3f02957cea953d
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spelling	oai:doaj.org-article:8e71d8cf6a274acdaa3f02957cea953d2021-11-24T04:26:31ZNoble aluminum-pigmented metallic polymers II: Effects of inorganic filler on weld- and flow-line visibility0142-941810.1016/j.polymertesting.2021.107422https://doaj.org/article/8e71d8cf6a274acdaa3f02957cea953d2022-02-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0142941821003652https://doaj.org/toc/0142-9418Aluminum flakes, inorganic filler, and Acrylonitrile–butadiene–styrene (ABS) polymer were mixed to form noble aluminum-pigmented metallic polymers. The effects of inorganic filler on weld- and flow-line visibility were investigated using field-emission scanning electron microscopy and energy-dispersive X-ray spectroscopy. The aluminum flakes were poorly oriented and not uniformly distributed at both hole and gate locations. Addition of inorganic filler improved flake orientation and distribution quality. Traditional flakes have relatively flat surfaces and high surface areas that reflect light in a highly angular manner, which results in a metallic appearance which varies with viewing angle. Comparatively, light reflected from polymers containing both aluminum flakes and specific filler pigments exhibits much less angular dependence, i.e., the flop effect of traditional aluminum pigments is minimized. The loading, size, and shape of the inorganic filler particles affected weld and flow line visibility. Adding a spherical filler with narrow particle size distribution can better stabilize the orientation of aluminum flakes in flow- and weld-line regions compared with irregularly shaped filler particles. The choice of inorganic pigment type and its optimum loading strongly affect the visibility of flow and weld lines.Lim Jung SeopKwon Kwang YeolHur Kyung BeomCho Cheol HeeLee Gyoo-ChulCheon Si-ukCho Sung HwanElsevierarticleAluminum-pigmented metallic polymerInorganic fillerWeld and flow linesPolymers and polymer manufactureTP1080-1185ENPolymer Testing, Vol 106, Iss , Pp 107422- (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Aluminum-pigmented metallic polymer Inorganic filler Weld and flow lines Polymers and polymer manufacture TP1080-1185
spellingShingle	Aluminum-pigmented metallic polymer Inorganic filler Weld and flow lines Polymers and polymer manufacture TP1080-1185 Lim Jung Seop Kwon Kwang Yeol Hur Kyung Beom Cho Cheol Hee Lee Gyoo-Chul Cheon Si-uk Cho Sung Hwan Noble aluminum-pigmented metallic polymers II: Effects of inorganic filler on weld- and flow-line visibility
description	Aluminum flakes, inorganic filler, and Acrylonitrile–butadiene–styrene (ABS) polymer were mixed to form noble aluminum-pigmented metallic polymers. The effects of inorganic filler on weld- and flow-line visibility were investigated using field-emission scanning electron microscopy and energy-dispersive X-ray spectroscopy. The aluminum flakes were poorly oriented and not uniformly distributed at both hole and gate locations. Addition of inorganic filler improved flake orientation and distribution quality. Traditional flakes have relatively flat surfaces and high surface areas that reflect light in a highly angular manner, which results in a metallic appearance which varies with viewing angle. Comparatively, light reflected from polymers containing both aluminum flakes and specific filler pigments exhibits much less angular dependence, i.e., the flop effect of traditional aluminum pigments is minimized. The loading, size, and shape of the inorganic filler particles affected weld and flow line visibility. Adding a spherical filler with narrow particle size distribution can better stabilize the orientation of aluminum flakes in flow- and weld-line regions compared with irregularly shaped filler particles. The choice of inorganic pigment type and its optimum loading strongly affect the visibility of flow and weld lines.
format	article
author	Lim Jung Seop Kwon Kwang Yeol Hur Kyung Beom Cho Cheol Hee Lee Gyoo-Chul Cheon Si-uk Cho Sung Hwan
author_facet	Lim Jung Seop Kwon Kwang Yeol Hur Kyung Beom Cho Cheol Hee Lee Gyoo-Chul Cheon Si-uk Cho Sung Hwan
author_sort	Lim Jung Seop
title	Noble aluminum-pigmented metallic polymers II: Effects of inorganic filler on weld- and flow-line visibility
title_short	Noble aluminum-pigmented metallic polymers II: Effects of inorganic filler on weld- and flow-line visibility
title_full	Noble aluminum-pigmented metallic polymers II: Effects of inorganic filler on weld- and flow-line visibility
title_fullStr	Noble aluminum-pigmented metallic polymers II: Effects of inorganic filler on weld- and flow-line visibility
title_full_unstemmed	Noble aluminum-pigmented metallic polymers II: Effects of inorganic filler on weld- and flow-line visibility
title_sort	noble aluminum-pigmented metallic polymers ii: effects of inorganic filler on weld- and flow-line visibility
publisher	Elsevier
publishDate	2022
url	https://doaj.org/article/8e71d8cf6a274acdaa3f02957cea953d
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Noble aluminum-pigmented metallic polymers II: Effects of inorganic filler on weld- and flow-line visibility

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