Extrudable blend
First Claim
Patent Images
1. An extrudable composition of matter comprising a polymer blend consisting essentially of a styrene-ethylenebutylene-styrene copolymer with a mixture of low melt index and high melt index polypropylenes wherein the chainlength of the styrene portion of the copolymer exceeds the chainlength of the ethylenebutylene portion and wherein the copolymer comprises >
- 10 to <
20 weight parts of the blend, the low melt index polypropylene comprises >
10 to <
20 weight parts of the blend and the high melt index polypropylene comprises from >
50 to <
80 weight parts of the blend.
3 Assignments
0 Petitions
Accused Products
Abstract
A telephone cord employs as an insulator for the conductors therein an extrudable blend of a styrene-ethylenebutylene-styrene copolymer with polypropylene.
-
Citations
7 Claims
-
1. An extrudable composition of matter comprising a polymer blend consisting essentially of a styrene-ethylenebutylene-styrene copolymer with a mixture of low melt index and high melt index polypropylenes wherein the chainlength of the styrene portion of the copolymer exceeds the chainlength of the ethylenebutylene portion and wherein the copolymer comprises >
- 10 to <
20 weight parts of the blend, the low melt index polypropylene comprises >
10 to <
20 weight parts of the blend and the high melt index polypropylene comprises from >
50 to <
80 weight parts of the blend. - View Dependent Claims (2, 3)
- 10 to <
-
4. An extrudable composition of matter having an insulating jacket thereover, said composition comprising a polymer blend consisting essentially of from 10 to 20 weight parts of a styrene-ethylenebutylene-styrene copolymer wherein the length of the styrene chains exceeds the length of the ethylenebutylene chain, >
- 10 to <
20 weight parts of a low melt index polypropylene and >
50 to <
80 weight parts of a high melt index polypropylene. - View Dependent Claims (5, 6, 7)
- 10 to <
Specification