Studies on Ionically Crosslinked Polystyrene

Ide, Fumio; Kodama, Tsuneo; Hasegawa, Akira; Yamamoto, Osamu; Morifuji, Kazuhiko

doi:10.1295/koron1944.26.883

Cited by 3 publications

(1 citation statement)

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“…Reactive processing involves in situ reaction of functionalized components to form a block or graft copolymers at the interface between the phases. [1][2][3][4][5][6][7][8][9][10] It is well known that maleic anhydride (MAH) reacts with polypropylene (PP) 11,12 in the presence of radical reagents when mixed at the molten state. So, MAH has been used as a compatibilizer in immiscible polymer blends, especially the PP/polyamide (PA) system.…”

Section: Introductionmentioning

confidence: 99%

Properties of poly(ethylene terephthalate) and maleic anhydride-grafted polypropylene blends by reactive processing

Yoon

Lee

Park

1998

J. Appl. Polym. Sci.

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The properties of poly(ethylene terephthalate) (PET) and polypropylene (PP) blends and PET/maleic anhydride-grafted PP (MAgPP) reactive blends were investigated. Two blend systems were immiscible based on tan ␦ measured by dynamic mechanical analyzer (DMA). In case of PET/MAgPP blends, the reaction of ester groups of PET and MA sites on MAgPP occurred during melt mixing at 280°C for 30 min. The reaction was confirmed by a new peak between the glass transition temperatures of PET-rich and MAgPP-rich phase on tan ␦ curves, as well as from the rheological properties. From the morphology, the improvement of the dispersibility in PET/MAgPP reactive blends was observed. The modulus of PET/MAgPP blends was higher than that of PET/PP blends, and the strength of PET/MAgPP blends showed the good adhesion compared with the PET/PP blends.

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Section: Introductionmentioning

confidence: 99%

Properties of poly(ethylene terephthalate) and maleic anhydride-grafted polypropylene blends by reactive processing

Yoon

Lee

Park

1998

J. Appl. Polym. Sci.

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Studies on polymer blend of nylon 6 and polypropylene or nylon 6 and polystyrene using the reaction of polymer

Ide

Hasegawa

1974

J of Applied Polymer Sci

545

266

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SynopsisIn the presence of maleic anhydride-grafted polypropylene, marked dispersibility of the polymer blend of isotactic polypropylene and nylon 6 was obtained. This appeared to be caused by the formation of a certain graft polymer between maleic anhydride in polypropylene and terminal amino groups of nylon 6. The same phenomenon was observed when polystyrene and nylon 6 were blended with styrene-methacrylic acid copolymer as the interpolymer. The existence of such a graft polymer was confirmed by solvent extraction, estimation of the amino group of nylon 6, and identification by differential scanning calorimetry. The physical properties, especially mechanical properties of nylon 6-polypropylene polymer blends, were remarkably improved with increase of maleic anhydride added to the polymer blend. On the other hand, the physical properties those of nylon 6-polystyrene polymer blends were very little improved even in the presence of good dispersibility.

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Reaction effect on the properties of poly(ethylene terephthalate) and poly(styrene- co -maleic anhydride) blends

Yoon

Lee

Park

2000

Polymer

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Studies on Ionically Crosslinked Polystyrene

Abstract: Table 1.Effect of nature of stabilizer on suspension stability. Table2.Effect of CMC concentration of suspension stability.

Cited by 3 publications

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Properties of poly(ethylene terephthalate) and maleic anhydride-grafted polypropylene blends by reactive processing

Properties of poly(ethylene terephthalate) and maleic anhydride-grafted polypropylene blends by reactive processing

Studies on polymer blend of nylon 6 and polypropylene or nylon 6 and polystyrene using the reaction of polymer

Reaction effect on the properties of poly(ethylene terephthalate) and poly(styrene- co -maleic anhydride) blends

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