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Preparation and Properties of Acrylonitrile Butadiene Styrene Copolymer Alloy with High Surface Gloss and Scratch Resistance

Author: ChenZhenJia
Tutor: WuShuiZhu
School: South China University of Technology
Course: Materials Science
Keywords: ABS PMMA PC Luster performance Hardness DMA
CLC: TQ325.2
Type: Master's thesis
Year: 2011
Downloads: 121
Quote: 0
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Abstract


ABS resin is made ??of acrylonitrile, butadiene and styrene copolymer derived from three components exhibit good synergistic effect , due to its structural particularity , and its performance is adjustable within a certain range , ABS and its alloys are widely used in automobiles, household appliances and construction fields . Recent years, as consumers continue to enhance the quality of life requirements of flat-panel TVs electrical enclosures tend to be high-gloss , scratch resistance and avoid spraying requirements they use the ABS alloy material both have excellent intrinsic quality , but also has a good appearance quality , study the preparation of the excellent mechanical properties of ABS alloy , improve the alloy surface gloss and scratch resistance has practical significance . In this paper , we study the two high-gloss scratch resistant ABS / PMMA and ABS / PMMA / PC blends to improve the mechanical properties of the ABS , PMMA, PC, inorganic fillers and pearlescent mica powder , melt viscosity , surface gloss and hardness, and to reduce the cost, to prepare an alloy material with good mechanical properties and processing properties . Poor interfacial adhesion due to the compatibility between the differences between the ABS, PMMA and PC resins , and a resin with an inorganic filler , and therefore the need to add a compatibilizing agent to improve the interfacial adhesion of the white , so that the dispersed phase can be evenly distributed in the continuous phase . This paper explores the impact of different compatibilizer different resin components and different fillers on the mechanical properties of high gloss ABS alloy system , the luster performance and hardness . While using DMA study thermodynamic properties of ABS / PMMA, ABS / PMMA / PC blend system dynamic analysis of the various compatibilizers, the content of the compatibilizing agent and a resin component content of the blend of the loss modulus , storage modulus dynamic rheological parameters such as volume and loss factor , which has important guiding significance to further optimize product formulations to improve the compatibility and workability of the alloy . The results showed that the PMMA and PC can improve the mechanical properties and gloss of the ABS , the selection of the appropriate compatibilizing agent which can effectively improve the compatibility between the ABS, PMMA and PC , so that the system has good physical and mechanical properties . BaSO4 and TiO2 can increase the hardness of the blend system , but also on the gloss adverse impact ; pearlescent mica powder in the ABS / PMMA system can improve the gloss of the system .

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CLC: > Industrial Technology > Chemical Industry > Synthetic resins and plastics industry > Polymer resin and plastic > Polystyrene and its copolymers
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