Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
151 words
A method for improving the thermal stability of polymers of ethylene having vinyl unsaturation, said method comprising admixing with said polymers of ethylene a thermally stabilizing amount of a silane compound represented by the formula R 2 SiA 2 or R 3 SiA' in which each R is the same or different and is selected from aryl, alkaryl, or aralkyl groups containing from 6 to about 24 carbon atoms, each A is the same or different and is selected from hydrogen, azido, halogen, hydroxy, alkoxy groups in which the alkyl radical contains from 1 to about 10 carbon atoms, and alkenyl of 2 to 6 carbon atoms also in which one A can be lower alkyl of 1 to 6 carbon atoms with the other A selected from among azido, halogen, hydroxy, alkoxy, lower alkyl and alkenyl as described above, and A' is selected from among halogen, hydrogen and hydroxy groups.
Claim 2
Independent Claim
151 words
A method for improving the thermal stability of polymers of ethylene having vinyl unsaturation, said method comprising admixing with said polymers of ethylene a thermally stabilizing amount of a silane compound represented by the formula R 2 SiA 2 or R 3 SiA' in which each R is the same or different and is selected from aryl, alkaryl, or aralkyl groups containing from 6 to about 24 carbon atoms, each A is the same or different and is selected from hydrogen, azido, halogen, hydroxy, alkoxy groups in which the alkyl radical contains from 1 to about 10 carbon atoms, and alkenyl of 2 to 6 carbon atoms also in which one A can be lower alkyl of 1 to 6 carbon atoms with the other A selected from among azido, halogen, hydroxy, alkoxy, lower alkyl and alkenyl as described above, and A' is selected from among halogen, hydrogen and hydroxy groups.
Claim 3
Dependent Claim
26 words
A method of claim 1 in which the amount of silane is in a range of about 0.05 to about 5 g per 100 g polymer.
Claim 4
Dependent Claim
39 words
A method of claim 1 wherein said ethylene polymers containing vinyl groups are homopolymers of ethylene or copolymers of ethylene with up to 20 mole percent of another aliphatic mono-1-olefin containing from about 3 to about 10 carbon atoms.
Claim 5
Dependent Claim
11 words
A thermally stabilized composition produced by the method of claim 1.
Claim 6
Dependent Claim
139 words
A composition of matter comprising a polymer of ethylene and a thermally stabilizing amount of a silane compound represented by the formula R 2 SiA 2 or R 3 SiA' in which each R is the same or different and is selected from aryl, alkaryl, or aralkyl groups containing from 6 to about 24 carbon atoms, each A is the same or different and is selected from hydrogen, azido, halogen, hydroxy, alkoxy groups in which the alkyl radical contains from 1 to about 10 carbon atoms, and alkenyl of 2 to 6 carbon atoms, and wherein one A being selected from lower alkyl of 1 to 6 carbon atoms the other A is selected from among azido, halogen, hydroxy, and alkoxy, lower alkyl and alkenyl as described above, and A' is selected from among halogen, hydrogen and hydroxy groups.
Claim 7
Dependent Claim
139 words
A composition of matter comprising a polymer of ethylene and a thermally stabilizing amount of a silane compound represented by the formula R 2 SiA 2 or R 3 SiA' in which each R is the same or different and is selected from aryl, alkaryl, or aralkyl groups containing from 6 to about 24 carbon atoms, each A is the same or different and is selected from hydrogen, azido, halogen, hydroxy, alkoxy groups in which the alkyl radical contains from 1 to about 10 carbon atoms, and alkenyl of 2 to 6 carbon atoms, and wherein one A being selected from lower alkyl of 1 to 6 carbon atoms the other A is selected from among azido, halogen, hydroxy, and alkoxy, lower alkyl and alkenyl as described above, and A' is selected from among halogen, hydrogen and hydroxy groups.
Claim 8
Dependent Claim
30 words
A composition of matter of claim 5 wherein said silane compound is present in an amount in the range of about 0.05 to about 5 g per 100 g polymer.
Claim 9
Dependent Claim
42 words
A composition of matter of claim 5 wherein said ethylene polymers containing vinyl groups are homopolymers of ethylene or copolymers of ethylene with up to about 20 mole percent of another aliphatic mono-1-olefin containing from about 3 to about 10 carbon atoms.