Compatible blends of polyglutarimides and polyamides

Details Compatible blends of polyglutarimides and polyamides Compatible blends of polyglutarimides and polyamides

C - Chemistry, Metallurgy

08

F

400/3038, 400/46

C08F 8/32 (2006.01) C08L 33/00 (2006.01) C08L 33/24 (2006.01) C08L 77/00 (2006.01) C08L 77/10 (2006.01)

Patent

CA 1338564

This invention relates to compatible polymer blends of from about 1 to about 99 percent by weight of an imidized acrylic polymer, containing at least 5 percent by weight glutarimide units, and from about 99 to about 1 percent by weight of a polyamide or mixtures thereof. The compatible polymer blends of polyglutarimides and polyamides possess certain desirable characteristics of each of the polymer components. Compatible polymer blends of polyglutarimides and polyamides improve the melt flow, melt strength, tensile strength, and modulus of polyamides. Compatible polymer blends of polyamides and polyglutarimides possess improved impact resistance and ductility compared with neat polyglutarimides. The addition of a high service temperature polyglutarimide to a lower service temperature nylon results in improved service temperature for the nylon. Compatible polymer blends of polyglutarimide, nylons, and conventional impact modifiers exhibit an improved response to impact modification as compared with the imide modified with an equal amount of the conventional impact modifier.

433760

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