Soft and low-density foam materials from modified copolymers of

Details Soft and low-density foam materials from modified copolymers of Soft and low-density foam materials from modified copolymers of

1989-12-19

1990-08-07

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 96, 521 98, C08J 914

Patent

active

049468715

ABSTRACT:
Soft and low-density foam materials, obtained by means of an extrusion expansion (with physical blowing agents) of particular copolymers of ethylene with vinylacetate (and/or with alkyl esters of acrylic or methacrylic acid), are found to be very suitable for the manufacture of expanded articles with little shrinkage after expansion, free from creases on the surface or cracks on the cell walls, and having excellent characteristics, higher compressive strength and so on.

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patent: 4607059 (1986-08-01), Kmiec et al.
patent: 4607060 (1986-08-01), Kmiec et al.
Chemical Abstract vol. 88, 1978, p. 49, abst. No. 90733K (JP-A-77 125575-Sumitomo).
Acta Polymerica, vol. 31, No. 4, 1980, pp. 243-247, T. Taplick et al.

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