Ethylene-acrylic acid type interpolymer compositions and films h

Details Ethylene-acrylic acid type interpolymer compositions and films h Ethylene-acrylic acid type interpolymer compositions and films h

1988-01-22

1990-01-30

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524230, 524423, 524427, 524432, 524433, 524436, 524437, 524444, 524448, 524451, C08K 520

Patent

active

048974374

ABSTRACT:
Ethylene-acrylic acid type interpolymer compositions and films having increased slip and reduced block. A compositionally uniform interpolymer is compounded with at least one amide additive of the formula R.sub.1 --CO--NH--R.sub.2 in which R.sub.1 is selected from saturated alkyl groups having from 13 to 25 carbon atoms and mono-olefinically unsaturated alkyl groups having from 17 to 23 carbon atoms and in which R.sub.2 is selected from saturated alkyl groups having 14 to 26 carbon atoms and mono-olefinically unsaturated alkyl groups having from 18 to 24 carbon atoms; and optionally, finely divided inorganic. In another embodiment, a compositionally uniform or a compositionally non-uniform interpolymer is compounded with: (i) about 0.025-1 weight percent of saturated secondary fatty acid amide; (ii) about 0.025-1 weight percent of unsaturated or mixed unsaturated secondary fatty acid amide; and optionally (iii) about 0.025-1.5 weight percent of finely divided inorganic.

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