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US 10,590,224 B2Granted
Fluorinated block copolymers
Assignee3M Innovative Properties Company
InventorsMichael H. Mitchell, Denis Duchesne, Tatsuo Fukushi, Werner M. A. Grootaert, Larry A. Last, Peter J. Scott, Karl D. Weilandt
Life of this patent
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Abstract
Described herein is a millable fluorinated block copolymer having at least one A block and at least one B block, wherein the A block is a semi-crystalline segment comprising repeating divalent monomeric units derived from TFE, HFP and VDF; and the B block is a segment comprising repeating dilvalent monomeric units derived from HFP and VDF; and wherein the millable fluorinated block copolymer has a modulus of 0.1 to 2.5 MPa at 100° C.
Claims20
A curable composition comprising:
- a millable fluorinated block copolymer comprising at least one A block and at least one B block,
- wherein the A block is a semi-crystalline segment comprising interpolymerized monomers,
- wherein the monomers comprise TFE, HFP and VDF;
- wherein the B block is a segment comprising interpolymerized monomers,
- wherein the monomers comprise HFP and VDF;
- and
- wherein the millable fluorinated block copolymer has a modulus of 0.1 to 2.5 MPa at 100° C.
4 more elements
Dependencies are inferred from the claim text.