2008
DOI: 10.1002/app.29068
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Mechanical and thermal properties of poly(vinyl chloride)/α‐methyl‐styrene‐acrylonitrile blends prepared by melt extrusion

Abstract: In this article, we have examined the physical and mechanical properties of poly(vinyl chloride) (PVC)/amethyl-styrene-acrylonitrile (aMSAN; 31 wt % AN concentrations) blends with different blend ratios. And, we also examined the effect of the molecular weights of PVC on the miscibility and material properties of the blends prepared by melt extrusion blending. Our results showed that the PVC/ aMSAN blends have good processing properties and good miscibility over all blend ratios because of the strong interacti… Show more

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Cited by 19 publications
(22 citation statements)
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“…For every test, the sample was heated from 0 to 200 ºC in the first scan and the second heating scan was performed after cooling to 0 ºC. Both the heating and cooling rates were set at 10ºC /min and the glass transition temperature (T g ) was defined as the middle point of the change in the heat capacity on the plot of the second scan [24][25][26]. The T g was recorded from the second heating curve to minimize the thermal history effect.…”
Section: Thermal Propertiesmentioning
confidence: 99%
“…For every test, the sample was heated from 0 to 200 ºC in the first scan and the second heating scan was performed after cooling to 0 ºC. Both the heating and cooling rates were set at 10ºC /min and the glass transition temperature (T g ) was defined as the middle point of the change in the heat capacity on the plot of the second scan [24][25][26]. The T g was recorded from the second heating curve to minimize the thermal history effect.…”
Section: Thermal Propertiesmentioning
confidence: 99%
“…a-Methylstyrene-acrylonitrile copolymer (a-MSAN) was used as a good heat-resistance modifier for poly(vinyl chloride) [14][15][16], which has similar structure to SAN. In addition, a-MSAN has a more rigid structure than SAN because of the strong steric effect of the a-methyl group.…”
Section: Introductionmentioning
confidence: 99%
“…To solve these problems at the same time, both a-methylstyrene/acrylonitrile copolymer and toughening modifiers (CPE and ACR) are introduced in our previous work to produce a ternary blends that is combined with high toughness and high HDT [21,22]. a-MSAN has a higher glass transition temperature compared with that of pure PVC [10][11][12][13], and its miscibility window between PVC and a-MSAN is very narrow [23], indicating that addition of a-MSAN could improve the HDT of PVC but embrittle rigid PVC. Either incorporation of CPE or ACR into PVC/a-MSAN binary blends could increase the toughness [21,22], and ACR exhibits a higher toughening efficiency [22].…”
Section: Introductionmentioning
confidence: 99%