Toughening of poly(butylene terephthalate) by addition of core-hell particles

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Journal of Beijing University of Chemical Technology ›› 2011, Vol. 38 ›› Issue (5) : 86-89.

材料科学与工程

ZHAO ChenYang¹;LI ShaoYing¹;WANG ChengZhong²

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Core-shell polymer particles have been synthesized from methyl methacrylate (MMA) and butyl acrylate (BA). The mechanical properties of poly(butylene terephthalate) (PBT) were studied after addition of the core-shell particles and maleic anhydride-grafted polyethylene-octane (POE) copolymer as impact modifiers. The results showed that the PBT had the maximum toughness when the monomer ratio of MMA:BA in the core-shell polymer was 2∶3. The particle size of the core-shell particles decreased as the amount of initiator increased, and as a result the tensile strength of PBT increased. Synergistic effects on the mechanical properties of PBT were observed by adding both core-shell particles and maleic anhydride-grafted POE (POE-g-MAH). When blended core-shell particles and POE-g-MAH were added to PBT, the impact strength of PBT increased significantly.

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ZHAO ChenYang¹;LI ShaoYing¹;WANG ChengZhong²

. Toughening of poly(butylene terephthalate) by addition of core-hell particles[J]. Journal of Beijing University of Chemical Technology, 2011, 38(5): 86-89

References

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Received	Revised	Published
2011-04-20	1900-01-01	2011-09-20
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2011-09-20

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