	US 12,247,092 B2
	Polyethylene and polypropylene block copolymers
Geoffrey Coates, Lansing, NY (US); James Eagan, Austin, TX (US); Anne Lapointe, Ithaca, NY (US); and Frank S. Bates, St. Louis Park, MN (US)
Assigned to CORNELL UNIVERSITY; and REGENTS OF THE UNIVERSITY OF MINNESOTA
Filed by CORNELL UNIVERSITY, Ithaca, NY (US); and REGENTS OF THE UNIVERSITY OF MINNESOTA, Minneapolis, MN (US)
Filed on Feb. 11, 2022, as Appl. No. 17/650,794.
Application 17/650,794 is a continuation of application No. 16/303,004, granted, now 11,279,780, previously published as PCT/US2017/034735, filed on May 26, 2017.
Claims priority of provisional application 62/421,680, filed on Nov. 14, 2016.
Claims priority of provisional application 62/342,583, filed on May 27, 2016.
Prior Publication US 2022/0389209 A1, Dec. 8, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C08F 210/06 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/12 (2006.01); B32B 27/32 (2006.01); C08F 4/64 (2006.01); C08F 4/76 (2006.01); C08F 110/02 (2006.01); C08F 110/06 (2006.01); C08F 210/02 (2006.01); C08F 297/08 (2006.01); C08L 23/06 (2006.01); C08L 23/14 (2006.01); C08L 53/00 (2006.01); C09J 153/00 (2006.01)

CPC C08F 210/06 (2013.01) [B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/12 (2013.01); B32B 27/32 (2013.01); C08F 4/64144 (2013.01); C08F 4/76 (2013.01); C08F 110/02 (2013.01); C08F 110/06 (2013.01); C08F 210/02 (2013.01); C08F 297/086 (2013.01); C08L 23/06 (2013.01); C08L 23/14 (2013.01); C08L 53/00 (2013.01); C09J 153/00 (2013.01); B32B 2250/02 (2013.01); B32B 2250/03 (2013.01); B32B 2250/242 (2013.01); B32B 2262/0253 (2013.01); B32B 2307/518 (2013.01); B32B 2307/54 (2013.01); B32B 2307/748 (2013.01); B32B 2323/04 (2013.01); B32B 2323/10 (2013.01); C08L 2203/16 (2013.01); C08L 2207/062 (2013.01); C08L 2207/066 (2013.01); C08L 2207/068 (2013.01); C08L 2207/10 (2013.01); C09J 2423/046 (2013.01); C09J 2423/106 (2013.01); C09J 2453/00 (2013.01)]

20 Claims

1. A semicrystalline multiblock copolymer comprising alternating blocks of semicrystalline isotactic polypropylene (iPP) and semicrystalline polyethylene (PE), having a block arrangement according to formula (I):

(iPP_w)_p(PE_x)(iPP_y)_m(PE_z)_n (I),

wherein

p is 0 or 1;

m is 0 or 1;

n is 0 or 1;

the sum of p, m, and n is 2 or 3; and

the sum of w, x, y, and z is greater than or equal to 40 kg/mol, with the provisos that:

when m and n are 0, the sum of w and x is greater than or equal to 140 kg/mol; and

when p and n are 0, the sum of y and x is greater than or equal to 140 kg/mol.