By non-styrenic, non-vinyl ether is meant that compounds having the following structures are excluded from the chain transfer agents of this invention: CH2???C(A)(R or H), and CH2???CH???OR [0134] wherein A is an aromatic substituent and R is hydrocarbyl. [0135] In one embodiment, the CTA compounds of this invention are represented by the following formula: CH2???C(R16)(R17) [0136] wherein R16 and