Low melt flow composition
A composition that includes a polyalphaolefin polymer and from about 20% by weight to about 70% by weight adsorbent, the composition being essentially free of a film forming agent.
1 . A composition comprising:
a polyalphaolefin polymer; and
from about 20% by weight to about 70% by weight adsorbent, said composition being essentially free of a film forming agent.
2 . The composition of claim 1 , wherein said polyalphaolefin polymer comprises a polymer comprising monomers selected from the group consisting of ethylene, propylene, butene, pentene, hexene, octene, decene, isoprene, terpene, vinyl acetate, styrene, butadiene, and combinations thereof.
3 . The composition of claim 1 , wherein said composition exhibits a melt flow time of no greater than 60 seconds at 190° C.
4 . The composition of claim 1 , wherein said composition exhibits a melt flow time of no greater than 15 seconds at 190° C.
5 . The composition of claim 1 , wherein said composition exhibits a melt flow time of less than 5 seconds at 190° C.
6 . The composition of claim 1 , wherein said composition comprises from about 40% by weight to about 70% by weight adsorbent.
7 . The composition of claim 1 , wherein said adsorbent comprises an adsorbent capable of adsorbing organic species.
8 . The composition of claim 1 , wherein said composition, when applied to a substrate and subjected to 88° C. for one month, is essentially free from sag.
9 . The composition of claim 1 , wherein said composition passes the ASTM E1887 fog test.
10 . An insulating glass assembly comprising:
a first glass substrate;
a second glass substrate;
a separator disposed between said first glass substrate and said second glass substrate; and
the composition of claim 1 in contact with said separator.
11 . The assembly of claim 10 , wherein said composition exhibits a melt flow time of less than 5 seconds at 190° C.
12 . A composition consisting essentially of:
a polyalphaolefin polymer;
from about 20 to about 70% by weight of an adsorbent selected from the group consisting of moisture adsorbents, volatile organic adsorbents, and combinations thereof;
from 0 to 10% by weight tackifying resin; and
from 0 to 5% by weight antioxidant.
13 . The composition of claim 12 consisting essentially of said polyalphaolefin polymer and said adsorbent.