Patent ID: 9556324
Date: 2017-01-31
CPC Classifications: C08C,C08J,C08K,C08L

Claim:
1. A composition comprising at least the following: A) interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; B) sulfur; C) at least one phase transfer catalyst (PTC) selected from the group consisting of— wherein R1 is an alkyl group having from 1 to 4 carbon atoms, R2 is an alkyl group having from 1 to 32 carbon atoms, and X is a halogen ion; and D) at least one primary accelerator selected from the group consisting of the following: wherein R is H, or a heterocyclic substituent; wherein M is Zn wherein R′ and R″ are each, independently, H, an alkyl, a cyclic alkyl, an aromatic, or a heterocyclic substituent, or wherein R′ and R″ together form a cyclic structure; wherein R, R′, R″ and R′″ are each, independently, H, an alkyl, a cyclic alkyl, an aromatic, or a heterocyclic substituent; or wherein R and R′ are each, independently, H, an alkyl, a cyclic alkyl, an aromatic, or a heterocyclic substituent, and R″ and R′″ together form a cyclic structure; or wherein R″ and R′″ are each, independently, H, an alkyl, a cyclic alkyl, an aromatic, or a heterocyclic substituent, and R and R′ together form a cyclic structure; or wherein R″ and R″ together form a cyclic structure, and R and R′ together form a cyclic structure; and combinations thereof; and wherein the composition has a cure rate, at 177° C., of greater than 0.8 lb·in/min.