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US 2013/0158206 A1Published application
In situ formation of hydroxy chain end functional polyolefins
AssigneeThe University of Southern Mississippi
InventorsRobson F. Storey, David L. Morgan
Life of this patent
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Abstract
Provided herein are methods for preparing a telechelic polymer of formula I wherein: R1 is a polyolefin group; R2 and R3 are, independently in each —(CR2R3)— unit, hydrogen or alkyl from 1 to 6 carbons; m is an integer from 2 to 20; RX is a cationic initiator residue; and p is an integer from 1 to 4.
Claims21
A compound of formula I:
- wherein:
- R1 is a divalent polyolefin group;
- R2 and R3 are, independently in each —(CR2R3)— unit, hydrogen or alkyl from 1 to 6 carbons;
- m is an integer from 2 to 20;
- RX is a cationic initiator residue;
- and
- p is an integer from 1 to 4.
4 more elements
A compound of formula III:
- wherein:
- R1 is a divalent polyolefin group;
- R2 and R3 are, independently in each —(CR2R3)— unit, hydrogen or alkyl from 1 to 6 carbons;
- m is an integer from 2 to 20;
- RX is a cationic initiator residue;
- p is an integer from 1 to 4;
- and
- R4 is alkyl, alkenyl, alkynyl, aryl, alkaryl, aralkyl, —C(O)R5;
- —SO3R6, and —SO2R7, or) —Si(R8)(R9)(R10);
- wherein R5, R6, R7, R8, R9, and R10 are each independently, alkyl or aryl.
7 more elements
Dependencies are inferred from the claim text.