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US 2013/0274369 A1Published application
New cationic polymers
AssigneeBASF SE
InventorsPierre-Eric MILLARD, Gregor Herth, Stefan Friedrich
Life of this patent
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Abstract
New water soluble cationic copolymers derived from N-vinyl amide monomers and ethylenically unsaturated compounds bearing cationic groups.
Claims20
A copolymer P comprising in polymerized form,
- a) at least one compound of formula I
- wherein R1 and R2 are independently H or C1, C2 or C3 alkyl, and
- b) at least one compound of formula II
- wherein R3 is H or C1, C2 or C3 alkyl,
- Y is
- R4 is an aliphatic or cycloaliphatic or aromatic group bearing a positive charge,
- R5 and R6 are independently C1 to C3 alkyl, and
- X− is an anion,
- wherein a molar ratio of components a) to b) is 5:95 to 45:65.
6 more elements
A copolymer P comprising, in polymerized form,
- a) at least one compound of formula I
- wherein R1 and R2 are independently H or C1, C2 or C3 alkyl, and
- b) at least one compound of formula II
- wherein R3 is H or C1, C2 or C3 alkyl,
- Y is
- R4 is an aliphatic or cycloaliphatic or aromatic group bearing a positive charge,
- R5 and R6 are independently C1 to C3 alkyl, and
- X− is an anion,
- wherein a molar ratio of components a) to b) is 5:95 to 80:20,
- and wherein the copolymer P has an average molecular weight Mw of 5,000,000 to 100,000,000.
7 more elements
A copolymer P comprising, in polymerized form,
- a) at least one compound of formula I
- wherein R1 and R2 are independently H or C1, C2 or C3 alkyl, and
- b) at least one compound of formula II
- wherein R3 is H or C1, C2 or C3 alkyl,
- Y is
- R4 is an aliphatic or cycloaliphatic or aromatic group bearing a positive charge,
- R5 and R6 are independently C1 to C3 alkyl, and
- X− is an anion,
- wherein a molar ratio of components a) to b) is 5:95 to 80:20,
- and wherein said copolymer P has an intrinsic viscosity of 3 to 30 dl/g.
7 more elements
A copolymer HP comprising, in polymerized form:
- a) at least one compound of formula I
- wherein R1 and R2 are independently H or C1, C2 or C3 alkyl,
- b) at least one compound of formula II
- wherein R3 is H or C1, C2 or C3 alkyl,
- Y is
- R4 is an aliphatic or cycloaliphatic or aromatic group bearing a positive charge,
- R5 and R6 are independently C1 to C3 alkyl,
- X− is an anion,
- with the proviso that a total amount of compounds in which Y is COOH does not exceed 80 molar % of a total amount of compounds making up component b), and
- c) at least one compound of formula III
- wherein the copolymer has a stoichiometric composition of AxByCz, wherein A, B and C represent components a), b) and c) in polymerized form, and wherein a molar ratio of (x+z):y is from 5:95 to 45:65 and a molar ratio of x:z is 0 to 100000.
8 more elements
A copolymer HP comprising in polymerized form:
- a) at least one compound of formula I
- wherein R1 and R2 are independently H or C1, C2 or C3 alkyl,
- b) at least one compound of formula II
- wherein R3 is H or C1, C2 or C3 alkyl,
- Y is
- R4 is an aliphatic or cycloaliphatic or aromatic group bearing a positive charge,
- R5 and R6 are independently C1 to C3 alkyl,
- X− is an anion,
- with the proviso that a total amount of compounds in which Y is COOH does not exceed 80 molar % of a total amount of compounds making up component b), and
- c) at least one compound of formula III
- wherein the copolymer has a stoichiometric composition of AxByCz, wherein A, B and C represent components a), b) and c) in polymerized form, and wherein a molar ratio of (x+z):y is from 5:95 to 80:20, a molar ratio of x:z is 0 to 100000 and wherein the copolymer HP has an average molecular weight of 5,000,000 to 100,000,000.
8 more elements
Dependencies are inferred from the claim text.