Stabilized polyketone blend

DETAILED DESCRIPTION What is claimed is: 1.
A composition stabilized against loss of apparent crystallinity when subjected to melting and crystallization cycles which comprises a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon having incorporated therein a stabilizing quantity of a finely divided cellulose.
2.
The composition of claim 1 wherein the polymer is of the repeating formula --CO--CH.
sub.
2 --CH.
sub.
2).
sub.
x [CO--G)].
sub.
y wherein G is a moiety of an ethylenically unsaturated hydrocarbon of at least 3 carbon atoms, polymerized through the ethylenic unsaturation, and the ratio of y:x is no more than about 0.
5.
3.
The composition of claim 2 wherein the cellulose has a particle size from about 10 microns to about 30 microns.
4.
The composition of claim 3 wherein the cellulose is present in a quantity of from about 0.
005% by weight to about 20% by weight, based on total composition.
5.
The composition of claim 4 wherein y is O.
6.
The composition of claim 4 wherein the ratio of y:x is from 0.
01 to about 0.
1.
7.
The composition of claim 6 wherein G is a moiety of propylene.
8.
A method of stabilizing a linear alternating polymer of carbon monxoide and at least one ethylenically unsaturated hydrocarbon against loss of apparent crystallinity upon being subjected to melting and crystallization by incorporating therein a stabilizing quantity of a finely divided cellulose.
9.
The method of claim 8 wherein the polymer is of the repeating formula --CO--CH.
sub.
2 --CH.
sub.
2).
sub.
x [CO--G)].
sub.
y wherein G is a moiety of an ethylenically unsaturated hydrocarbon of at least 3 carbon atoms polymerized through the ethylenic unsaturation, and the ratio of y:x is no more than about 0.
5.
10.
The method of claim 9 wherein the cellulose has a particle size of from about 10 microns to about 30 microns.
11.
The method of claim 10 wherein the quantity of cellulose is from about 0.
005% by weight to about 20% by weight, based on total composition.
12.
The method of claim 11 wherein y is 0