Back to results
US 5,264,527 AGranted
Acrylic triblock copolymers, their preparation and their application to the manufacture of elastomeric articles
AssigneeElf Atochem S.A.
InventorsSunil K. Varshney, Roger Fayt, Philippe Teyssie, Jean-Paul Hautekeer
Life of this patent
Estimating the term…
Abstract
Triblock copolymers containing a copolymer having a number-average molecular weight of from 3,000 to 300,000, a molecular weight polydispersity of from 1.05 to 2.0, and an A-B-C structure in which each of the blocks A and C may be a monomer sequence chosen from an acrylic, a vinylaromatic, a methacrylic or a maleimide monomer, and block B may be a monomer sequence chosen from an acrylic, a vinylaromatic or a methacrylic monomer, where at least one of the blocks A and C is different than block B.
Claims10
A triblock copolymer comprising:
- a copolymer which has a number-average molecular weight ranging from 3,000 to 300,000 and a molecular weight polydispersity ranging from 1.05 to 2.0, and an A-B-C structure in which each of the blocks A and C denotes a monomer sequence chosen from an acrylic, a vinylaromatic, a methacrylic or a maleimide monomer, block B denotes a monomer sequence chosen from an acrylic, a vinylaromatic or a methacrylic monomer, wherein at least one of the blocks A and C is different than block B.
Dependencies are inferred from the claim text.