Prepare Foam with Injection Molding Method in Acrylonitrile-Butadiene-Styrene (ABS) Matrix Using Chemical Foam Agent

In this study, it is aimed to decrease the weight of the material by using polymer foam materials with lower density instead of commercial polymers which have wide usage area. For this purpose, polymer foam was produced by using an acrylonitrile butadiene styrene (ABS) matrix and an endothermic chemical foam agent using injection molding method. The foam cell morphology, shell layer thickness and mechanical properties of the final part were investigated taking into consideration the weight-changing ratios of the foam agent content (1-1,5-2-2,5-3%).

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Development of Advanced Hybrid Polymer Melt Delivery Systems for Efficient High Precision Injection Molding

Journal of Manufacturing Science and Engineering ◽

10.1115/1.4046833 ◽

2020 ◽

Vol 142 (7) ◽

Author(s):

Chandresh Thakur ◽

Khalid Alqosaibi ◽

Animesh Kundu ◽

John P. Coulter

Keyword(s):

Injection Molding ◽

Polymer Melt ◽

Acrylonitrile Butadiene Styrene ◽

Experimental Investigations ◽

Liquid Crystal Polymers ◽

Ansys Fluent ◽

Engineering Plastics ◽

Software Modules ◽

Melt Manipulation ◽

Butadiene Styrene

Abstract A novel melt manipulation “RheoDrop” concept for hot runner injection molding is presented. In this concept, a controlled rotational shear is applied to a polymer melt in the hot drop to reduce its viscosity without raising the temperature. This is achieved by providing a transient rotational motion to the valve pin in the hot drop. This strategy is developed to mitigate issues associated with cold slug formation during injection molding in hot runner systems. The cold slug formation is particularly relevant for injection molding of engineering plastics such as liquid crystal polymers (LCPs) for medical and electronic applications. Analytical and experimental investigations were performed to validate the concept. The efficacy of the concept is assessed analytically utilizing a combination of two software modules, autodesk, moldflow and ansys fluent. The results confirmed that the concept was able to produce enough shear to reduce the dynamic viscosity between injection molding cycles. A prototype RheoDrop system was designed and developed and retrofitted in a four drop hot runner system mold to experimentally validate the concept. Preliminary experiments were performed utilizing acrylonitrile butadiene styrene, and parts were successfully fabricated at temperatures that are too low for traditional molding in a hot runner system.

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Experimental Investigation of the Adhesion Between Thermoplastic Polyurethane and Acrylonitrile-Butadiene-Styrene Substrate

Volume 2: Processing ◽

10.1115/msec2014-3927 ◽

2014 ◽

Cited By ~ 1

Author(s):

Felicia Stan ◽

Catalin Fetecau

Keyword(s):

Experimental Investigation ◽

Injection Molding ◽

Failure Mechanism ◽

Interfacial Adhesion ◽

Room Temperature ◽

Thermoplastic Polyurethane ◽

Peel Test ◽

Acrylonitrile Butadiene Styrene ◽

Optical Microscope ◽

Butadiene Styrene

In this paper we investigated the direct-adhesion of Thermoplastic Polyurethane (TPU) to Acrylonitrile-Butadiene-Styrene (ABS). Specimens with an initial pre-crack were obtained by overmolding the TPU onto ABS substrates, at different melt and mold temperatures. The interfacial adhesion between these two dissimilar polymers, represented by the peeling force, was measured directly by using the standard T-peel test at room temperature and at a crosshead speed of 254 mm/min. The peeled fracture surfaces were observed under optical microscope to identify the failure mechanism (adhesive or cohesive). A qualitative correlation was established between the adhesion strength and the injection molding parameters.

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Effect of Powder Loading and Binder Materials on Mechanical Properties in Iron-ABS Injection Molding Process

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.315.582 ◽

2013 ◽

Vol 315 ◽

pp. 582-586 ◽

Cited By ~ 5

Author(s):

Nasuha Sa'ude ◽

M. Ibrahim ◽

Wahab Saidin

Keyword(s):

Mechanical Properties ◽

Injection Molding ◽

Iron Powder ◽

Acrylonitrile Butadiene Styrene ◽

Injection Molding Process ◽

Molding Machine ◽

Molding Process ◽

Injection Molding Machine ◽

Feedstock Material ◽

Butadiene Styrene

This paper presents the development of a new polymer matrix composite (PMC) feedstock material by the injection molding machine. The material consists of iron powder filled in an acrylonitrile butadiene styrene (ABS) and surfactant powder (binder) material. In this study, the effect of powder loading and binder content on the mechanical properties was investigated experimentally. The detailed formulations of compounding ratio by Brabender Mixer and injection molding machine of the sample specimen was used with various combinations of the new PMC material. Based on the result obtained, it was found that, higher powder loading of iron filler affected the hardness, tensile and flexural strength of PMC material. With 32% iron powder loading in ABS composites increase the flexural force, maximum stress and force of PMC material through an injection molding process.

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Research of Injection Molding Parameters with Acrylonitrile Butadiene Styrene Composition Recycled Against Mechanical Properties

Journal of Physics Conference Series ◽

10.1088/1742-6596/1230/1/012084 ◽

2019 ◽

Vol 1230 ◽

pp. 012084

Author(s):

E A Wibowo ◽

T Sukarnoto ◽

Y T Wibowo

Keyword(s):

Mechanical Properties ◽

Injection Molding ◽

Acrylonitrile Butadiene Styrene ◽

Butadiene Styrene

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A Study on Contact Angle and Surface Tension on Copper-ABS for FDM Feedstock

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.607.747 ◽

2014 ◽

Vol 607 ◽

pp. 747-751 ◽

Cited By ~ 2

Author(s):

Nasuha Sa'ude ◽

N.M.A. Isa ◽

M. Ibrahim ◽

Mohd Halim Irwan Ibrahim

Keyword(s):

Surface Tension ◽

Contact Angle ◽

Injection Molding ◽

Acrylonitrile Butadiene Styrene ◽

Injection Molding Process ◽

Molding Process ◽

Volume Percentage ◽

Surfactant Material ◽

Feedstock Material ◽

Butadiene Styrene

This paper presents the development of a new Copper-ABS feedstock material by the injection molding machine. The material consists of copper powder filled in an acrylonitrile butadiene styrene (ABS) binder and surfactant material. In this study, the effect of metal filled ABS and binder content on the contact angle and surface tension was investigated experimentally. The detailed formulations of compounding ratio with various combinations of a new Copper-ABS feedstock was done by volume percentage (vol. %). Based on the result obtained, an increment by vol. % of copper filler in ABS effected on contact angle and surface tension results. With highly filled copper content in ABS composites increase the surface tension value. It can be observed that, the tendency of the liquid surface that allow to resist an external force in PMC material through an injection molding process.

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PENGARUH WAKTU PENGERINGAN MATERIAL ACRYLONITRILE BUTADIENE STYRENE (ABS) TERHADAP CACAT BERCAK PADA PROSES INJECTION MOLDING PLASTIK

Suara Teknik: Jurnal Ilmiah ◽

10.29406/stek.v12i1.2954 ◽

2021 ◽

Vol 12 (1) ◽

pp. 15

Author(s):

Basuki Basuki ◽

Sunaryo Sunaryo

Keyword(s):

Injection Molding ◽

Acrylonitrile Butadiene Styrene ◽

Butadiene Styrene

Bercak merupakan cacat pada permukaan plastik hasil proses injection molding. Penyebabnya adalah adanya kandungan air yang terperangkap. Penelitian ini bertujuan menentukan berapa lama durasi waktu pengeringan untuk menghilangkan bercak. Caranya dengan menghitung waktu sejak pemanas hopper dinyalakan sampai material plastik digunakan. Sebab satuan waktu merupakan parameter paling mudah dikontrol oleh pekerja (operator) mesin injeksi. Penelitian dengan cara melakukan proses cetak plastik menggunakan mesin injeksi pada material acrylonitrile butadiene styrene (ABS). Cacat bercak diamati pada permukaan produk hasil cetak. Pengamatan dilakukan secara visual langsung saat produk keluar dari cetakan. Produk yang baik adalah permukaan halus tanpa bercak. Pengeringan terbaik diperoleh pada suhu 84֯C selama 4 jam. Pengeringan kurang dari 4 jam pada produk masih timbul bercak, pengeringan diatas 4 jam merubah warna karena pigment terbakar efek dari terlalu lama dipanaskan.

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Poly(Acrylonitrile–Butadiene–Styrene) as a Special β-Nucleating Agent on the Toughness of Isotactic Polypropylene

Polymers ◽

10.3390/polym11111894 ◽

2019 ◽

Vol 11 (11) ◽

pp. 1894

Author(s):

Jingru Liu ◽

Xinxu Zhu ◽

Zheng Cao

Keyword(s):

Isotactic Polypropylene ◽

Acrylonitrile Butadiene Styrene ◽

Nucleating Agent ◽

Scanning Calorimetry ◽

Molding Method ◽

Stress Transmission ◽

Injection Molded ◽

The Impact ◽

Poly Acrylonitrile ◽

Butadiene Styrene

The influence of poly(acrylonitrile–butadiene–styrene) (ABS) as a special β-nucleating agent on the impact and tensile properties of isotactic polypropylene (iPP) were investigated by dynamic rheological measurements, wide-angle X-ray diffraction (WAXD), differential scanning calorimetry (DSC), scanning electron microscopy (SEM), and mechanical properties tests. It is found that the β nucleation efficiency of ABS is closely related to its concentration, dispersibility, and molding method for the iPP/ABS blends. The content of β-crystal (Kβ) rises with the incorporation of ABS and shows a maximum with the introduction of 1% ABS for compression-molded blends and 2% ABS for injection-molded blends, respectively, which is followed by a decrease in Kβ. The addition of a small amount of ABS has a significant reinforcing and toughening effect on iPP. Compared with the compression-molded samples, the ABS dispersed phase in injection-molded samples has a smaller particle size and a larger specific surface area, which are favorable for stress transmission and higher β nucleation efficiency, and therefore, better tensile and impact properties can be expected.

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