Effect of polycarbonate molecular weight on polymer blends of polycarbonate and ABS

Wu, Jiann-Shing; Shen, Shu-Chen; Chang, Feng‐Chih

doi:10.1002/app.1993.070500809

Cited by 37 publications

(22 citation statements)

References 21 publications

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“…Initially, the effects of different wt % MA-grafted ABS on the mechanical performance of PC/MABS blends were studied and compared with the results of physical blends of PC/ABS at a specific composition (65 wt % PC level), which is comparable with that of commercial PC/ABS blend composition. 10,11 Mechanical properties of PC and ABS were also obtained and summarized with these results.…”

Section: Effect Of Functionality On Mechanical Performancementioning

confidence: 99%

Effect of functionality levels and compatibility of polycarbonate blends with maleic anhydride grafted ABS

Balakrishnan

Neelakantan

Jaisankar

1999

J. Appl. Polym. Sci.

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ABS was melt grafted with maleic anhydride at three different levels of 1, 2, and 3 wt %. These three different modified ABSs were melt blended with polycarbonate using a single-screw extruder to choose a suitable maleic anhydride grafting level on ABS for better performance. For the compatibility study, binary blends of polycarbonate with ABS and maleic anhydride-grafted ABS were prepared over the entire range of compositions. Compatibility of these blends was studied using a Dynamic Mechanical Analyzer and by Differential Scanning Calorimetry. Both techniques suggest more partial compatibility for modified blend systems. In addition to this, DSC thermograms show multiple peaks between the transition points of ABS fractions and polycarbonate fractions for the polycarbonate/maleic anhydride-grafted ABS blends. These multiple peaks are characteristic of better partial compatibility with fine microstructure.

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Section: Effect Of Functionality On Mechanical Performancementioning

confidence: 99%

Effect of functionality levels and compatibility of polycarbonate blends with maleic anhydride grafted ABS

Balakrishnan

Neelakantan

Jaisankar

1999

J. Appl. Polym. Sci.

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“…The FTIR spectrum of pure ABS shows the characteristic absorption band of aromatic CAH stretching at 3028 cm 21 and a band of aliphatic CAH stretching located at 2926 cm 21 . A band of CBN stretching appears at 2237 cm 21 and a band at 1602 cm 21 is related to aromatic ring stretching.…”

Section: Characterization Of Samples By Various Conventional Charactementioning

confidence: 99%

Characterization of acrylonitrile–butadiene–styrene (ABS) copolymer blends with foreign polymers using fracture mechanism maps

Kim²,

Choi

et al. 2013

Polymer Engineering & Sci

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To commercially produce consumer products using engineering polymers, it is very important to control the physical properties of the material. However, quality control of the material is not easy because of many reasons such as cost reduction, cleaning issues, the use of scraps, etc. In many cases, even a small amount of foreign polymers can lead to product failures; however, analyzing such foreign polymers is difficult by using conventional analytical techniques. This article introduces a methodology to evaluate the durability of acrylonitrile–butadiene–styrene copolymers containing foreign polymers by using fracture mechanism maps (FMMs). In addition, the importance of the ductile‐to‐brittle transition temperature (DBTT) as a quantitative tool is discussed. In this article, the measurement of DBTT was proposed as a direct tool of characterizing polymer blends with similar chemical structure, and the concept of a FMM was applied as a qualitative tool to initiate the detailed investigation of fractures, as well as a quality control tool to sustain the fracture toughness of the final products. POLYM. ENG. SCI., 54:2791–2798, 2014. © 2013 Society of Plastics Engineers

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“…The presence of ABS2 in PC, even at as low as 20%, is able to reduce the melt viscosity significantly and the presence of 35% or higher ABS2 in the PC15/ABS2 blends results in viscosity close or even lower than ABS2. 32 Figure l shows the effect of rubber content in ABS by the plots of viscosity vs. shear rate of the blends, PC15/ABS=65/35. Higher rubber content in ABS has a relatively higher viscosity itself and in the corresponding blends.…”

Section: Rheological Propertiesmentioning

confidence: 99%

“…In our previous paper, we reported the SEM morphologies of the PC15/ABS2 blends with various component ratios and the blends with 65 and 50% PC15 were in co-continuous structure. 32 Figure 2 shows the co-continuous morphologies of the PC15/ABS=65/35 blends for which the rubber content in the ABS was varied. The more ductile blend with higher rubber content shows finer texture of the ambient fracture surface.…”

Section: Sem Morphologies Of the Blendsmentioning

confidence: 99%

“…20 • 31 We have reported the effect of PC molecular weight in the PC/ABS blends. 32 Addition of rubber particle in a binary A/B polyblend will result in several possibilities: in phase A, in phase B, along the interface, or in any of the above combination. The mutual miscibility between rubber and blend components are the most important factor to control the rubber distribution.…”

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Effect of Rubber Content in Acrylonitrile–Butadiene–Styrene and Additional Rubber on The Polymer Blends of Polycarbonate and Acrylonitrile–Butadiene–Styrene

Shen

Chang

1994

Polym J

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ABSTRACT:Higher ABS rubber content in the polycarbonate (PC)/acrynitrile-butadienestyrene (ABS) blend resulted in toughness improvement in terms of tensile, Izod impact and strain energy release rate at a cost of higher melt viscosity. The extra-added core-shell rubber particles with poly(methyl methacrylate) (PMMA) or acrylonitrile-styrene (SAN) outer shell resided mainly in the ABS phase and further improved the resulted blends to11ghness. The addition of styrene-maleic anhydride (SMA) copolymer in the PC/ABS blends caused severe coagulation of the rubber particles in the ABS phase and left a greater fraction of the SAN phase without presence of rubber. The toughness improvement by increasing rubber content must be compensated by the increase of melt viscosity and this fact has to be taken into consideration in selecting the starting materials of the PC/ABS blends.

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Effect of polycarbonate molecular weight on polymer blends of polycarbonate and ABS

Cited by 37 publications

References 21 publications

Effect of functionality levels and compatibility of polycarbonate blends with maleic anhydride grafted ABS

Effect of functionality levels and compatibility of polycarbonate blends with maleic anhydride grafted ABS

Characterization of acrylonitrile–butadiene–styrene (ABS) copolymer blends with foreign polymers using fracture mechanism maps

Effect of Rubber Content in Acrylonitrile–Butadiene–Styrene and Additional Rubber on The Polymer Blends of Polycarbonate and Acrylonitrile–Butadiene–Styrene

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