HIGH-DENSITY POLYETHYLENE COMPOSITIONS, METHOD OF PRODUCING THE SAME, ARTICLES MADE THEREFROM, AND METHOD OF MAKING SUCH ARTICLES
The instant invention is a high-density polyethylene composition, method of producing the same, articles made therefrom, and method of making such articles. The high-density polyethylene composition according to instant invention includes a first component, a second component, and a third component. The first component is a high-density polyethylene polymer having a density in the range of 0.940 to 0.980 g/cm 3 . The second component is polyethylene glycol, and the third component is octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate. The high-density polyethylene composition of the instant invention has a Yellowness Index of less than about −2.5 at 0 hour of accelerated aging at 100° C. according to ASTM D-6290. The process for producing the high-density polyethylene composition according to instant invention includes the following steps: (1) providing a first component, wherein the first component is a high-density polyethylene polymer having a density in the range of 0.940 to 0.980 g/cm 3 ; (2) providing a second component, wherein the second component is polyethylene glycol; (3) providing a third component, wherein the third component is octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate; (4) blending the second and third components into the first component thereby forming a blend; (5) pelletizing the blend; and (6) thereby forming pellets of the high-density polyethylene composition having a Yellowness Index of less than about −2.5 at 0 hour of accelerated aging at 100° C. according to ASTM D-6290. Articles according to instant invention comprises the above-described inventive high-density polyethylene composition.
1 . A high-density polyethylene composition comprising the melt blending reaction product of:
a first component, wherein said first component comprises a high-density polyethylene having a density in the range of 0.940 to 0.980 g/cm 3 ;
a second component, wherein said second component comprises polyethylene glycol; and
a third component, wherein said third component consists essentially of a liquid octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate;
wherein said high-density polyethylene composition has a Yellowness Index of less than about −2.5 at 0 hour of accelerated aging at 100° C. according to ASTM D-6290.
2 . The high-density polyethylene composition according to claim 1 , wherein said composition has a Yellowness Index of less than about −2.5 at 10 hour of accelerated aging at 100° C. according to ASTM D-6290.
3 . The high-density polyethylene composition according to claim 1 , wherein said composition has a Yellowness Index of less than about −2.5 at 20 hour of accelerated aging at 100° C. according to ASTM D-6290.
4 . The high-density polyethylene composition according to claim 1 , wherein said composition has a Yellowness Index of less than about −2.5 at 30 hour of accelerated aging at 100° C. according to ASTM D-6290.
5 . The high-density polyethylene composition according to claim 1 , wherein the Yellowness Index between 0 hour of accelerated aging at 100° C. and 2 hour of accelerated aging at 100° C. is less than or equal to (0.18X−4.94) where X is the number or fraction of hours of accelerated aging at 100° C. in oven according to ASTM D-6290.
6 . (canceled)
7 . The high-density polyethylene composition according to claim 1 , wherein said composition has a Yellowness Index in the range of −4 to −6 at 0 hour of accelerated aging at 100° C. according to ASTM D-6290.
8 . (canceled)
9 . The high-density polyethylene composition according to claim 1 , wherein said composition comprises 150 to 200 parts of said second component per million parts of said first component.
10 . The high-density polyethylene composition according to claim 1 , wherein said composition comprises about less than 1000 parts of said third component per million parts of said first component.
11 . (canceled)
12 . (canceled)
13 . A process for making a high-density polyethylene composition comprising the steps of:
providing a first component, wherein said first component comprises a high-density polyethylene having a density in the range of 0.940 to 0.980 g/cm 3 ;
providing a second component, wherein said second component comprises polyethylene glycol; and
providing a third component, wherein said third component consists essentially of a liquid octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate;
blending said second and third components into said first component thereby forming a blend;
pelletizing said blend; and
thereby forming pellets of said high-density polyethylene composition; wherein said high-density polyethylene composition has a Yellowness Index of less than about −2.5 at 0 hour of accelerated aging at 100° C. according to ASTM D-6290.
14 . (canceled)
15 . (canceled)
16 . (canceled)
17 . (canceled)
18 . (canceled)
19 . (canceled)
20 . (canceled)
21 . A container device comprising:
a molded high-density polyethylene composition, wherein said composition comprising;
a first component, wherein said first component comprises a high-density polyethylene having a density in the range of 0.940 to 0.980 g/cm 3 ;
a second component, wherein said second component comprises polyethylene glycol; and
a third component, wherein said third component consists essentially of a liquid_octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate;
wherein said high-density polyethylene composition has a Yellowness Index of less than about −2.5 according to ASTM D6290.
22 . A method making a container device comprising the steps of:
providing a high-density polyethylene composition, wherein said composition comprising;
a first component, wherein said first component comprises a high-density polyethylene having a density in the range of 0.940 to 0.980 g/cm 3 ;
a second component, wherein said second component comprises polyethylene glycol; and
a third component, wherein said third component consists essentially of a liquid octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate;
wherein said high-density polyethylene composition has a Yellowness Index of less than about −2.5 according to ASTM D6290;
compression molding, injection molding or injection blow molding said high-density composition; and
thereby forming said container device.