Block copolymers with a polydiorganosiloxane block and a phosphate or phosphonate containing block

1. A block copolymer comprising:

at least one A block comprising multiple monomeric units derived from a first monomer comprising a (meth)acryloyl group and a phosphorous-containing group; and

at least one B block comprising multiple monomer units derived from a second monomer comprising a (meth)acryloyl group and a poly(dialkylsiloxane) group.

2. The block copolymer of claim 1 , wherein the block copolymer is a triblock copolymer having two B blocks and one A block.

3. The block copolymer of claim 1 , wherein the first monomer is of Formula (I)

CH 2 ═CR 1 —(CO)—X—R 2 -[-Q 1 -R 3 —] m —Y   (I)

wherein

R 1 is hydrogen or methyl;

X 1 is oxy or —NH—;

R 2 is an alkylene or heteroalkylene;

R 3 is an alkylene;

Q 1 is —(CO)X 2 —, —NR 4 —(CO)—X 2 —;

X 2 is oxy or —NR 4 —;

R 4 is hydrogen or alkyl;

m is 0 or 1; and

Y is a phosphorous-containing group.

4. The block copolymer of claim 1 , wherein the second monomer is of Formula (II)

CH 2 ═CR 5 —(CO)—X 3 —R 6 -[-Q 2 -R 7 —] n —Z   (II)

wherein

R 5 is hydrogen or methyl;

X 3 is oxy or —NH—;

R 6 is an alkylene or heteroalkylene;

R 7 is an alkylene;

Q 2 is —(CO)X 4 — or —NR 8 —(CO)—X 4 —;

X 4 is oxy or —NR 8 —;

R 8 is hydrogen or alkyl;

n is 0 or 1; and

Z is a monovalent poly(dialkylsiloxane) group.

5. The block copolymer of claim 4 , wherein the dialkylsiloxane group Z is of Formula (III)

—Si(R 8 ) 2 —O—[—Si(R 8 ) 2 —O—] p —Si(R 8 ) 2 R 9    (III)

wherein

each R 8 is independently and alkyl having 1 to 10 carbon atoms; and

R 9 is an alkyl having 1 to 20 carbon atoms; and

p is an integer that is greater than or equal to 0.

6. The block copolymer of claim 1 , wherein the second monomer was a weight average molecular weight in a range of 500 Daltons to 50,000 Daltons.

7. The block copolymer of claim 1 , wherein the block copolymer comprises 1 to 30 weight percent A block and 70 to 99 weight percent B block based on a total weight of the block copolymer.

8. The block copolymer of claim 1 , wherein the block copolymer is of Formula (VIII)

wherein

each A is a first polymeric block that is a polymerized product of a first polymerizable composition comprising first monomers of Formula (I); and

CH 2 ═CR 1 —(CO)—X—R 2 -[-Q 1 -R 3 —] m —Y   (I)

each B is a second polymeric block that is a polymerized product of a second polymerizable composition comprising monomers of Formula (II),

CH 2 ═CR 5 —(CO)—X 3 —R 6 -[-Q 2 -R 7 —] n —Z   (II)

wherein

R 1 is hydrogen or methyl;

X 1 is oxy or —NH—;

R 2 is an alkylene or heteroalkylene;

R 3 is an alkylene;

Q 1 is —(CO)X 2 — or —NR 4 —(CO)—X 2 —;

X 2 is oxy or —NR 4 —;

R 4 is hydrogen or alkyl;

m is 0 or 1;

Y is a phosphorus-containing group;

R 5 is hydrogen or methyl;

X 3 is oxy or —NH—;

R 6 is an alkylene or heteroalkylene;

R 7 is an alkylene;

Q 2 is —(CO)X 4 — or —NR 8 —(CO)—X 4 —;

X 4 is oxy or —NR 8 —;

R is hydrogen or alkyl;

n is 0 or 1;

Z is a monovalent poly(dialkylsiloxane) group;

R 10 is an alkoxy or group of formula —N(R 12 ) 2 ;

R 11 is an alkoxy or a group of formula —N(R 13 ) 2 ;

each R 12 is an alkyl; and

each R 13 is an alkyl.

9. A composition comprising an organic solvent and the block copolymer of claim 1 .

10. The composition of claim 9 , wherein the composition comprises 0.01 to 10 weight percent of the block copolymer based on a total weight of the composition.

11. An article comprising:

a) a substrate; and

b) a coating layer positioned adjacent to the substrate, wherein the coating layer comprises a block copolymer of claim 1 .

12. The article of claim 11 , wherein the substrate comprises a metal-containing surface.

13. The article of claim 11 , wherein the substrate is a flexible fibrous substrate.