Styrenic polymer containing pendant reactive tertiary structures and the preparation thereof

Claim 2

A styrenic polymer or copolymer which contains, randomly located in the polymer chain, monomer units of the formula: ##STR19## wherein R 1 and R 2 each represents a saturated aliphatic hydrocarbon group and R 3 is Cl, or a group of the formula --OR 4 or ##STR20## wherein R 4 represents a saturated aliphatic hydrocarbon group or an aromatic hydrocarbon group.

Claim 3

A styrenic polymer containing repeating units of the formula: ##STR21## wherein R 1 and R 2 each represents a saturated aliphatic hydrocarbon group and R 3 is Cl, or a group of the formula --OR 4 or ##STR22## where in R 4 is a saturated aliphatic hydrocarbon group or an aromatic hydrocarbon group, x and y are the same or different integers from 1 to about 2000 and n is an integer from 1 to about 1000, and wherein the substituted styrenic moieties of formula (III) are randomly located in the polymer chain.

Claim 4

A styrenic polymer containing repeating units of the formula: ##STR21## wherein R 1 and R 2 each represents a saturated aliphatic hydrocarbon group and R 3 is Cl, or a group of the formula --OR 4 or ##STR22## where in R 4 is a saturated aliphatic hydrocarbon group or an aromatic hydrocarbon group, x and y are the same or different integers from 1 to about 2000 and n is an integer from 1 to about 1000, and wherein the substituted styrenic moieties of formula (III) are randomly located in the polymer chain.

Claim 5

A styrenic polymer or copolymer according to claim 1, which contains from about 0.05 to 10.0% of units of formula IV interspersed among styrene molecules in the polymer chain.

Claim 6

A styrenic polymer or copolymer according to claim 3, which contains from about 0.1 to 5% of units of formula IV.

Claim 7

A styrenic polymer according to claim 2, wherein R 4 represents a saturated aliphatic hydrocarbon group.

Claim 8

A styrenic polymer according to claim 5, wherein R 1 , R 2 and R 4 each represent an alkyl group.

Claim 9

A styrenic polymer according to claim 6, wherein R 1 , R 2 and R 4 each represent a primary alkyl group.

Claim 10

A styrenic polymer according to claim 7, wherein R 1 and R 2 are both methyl.

Claim 11

A styrenic polymer according to claim 8, wherein R 3 represent Cl, OCH 3 or OCOCH 3 .

Claim 12

A styrenic polymer or copolymer according to claim 1, wherein R 4 represents a saturated aliphatic hydrocarbon group.

Claim 13

A styrenic polymer or copolymer according to claim 10, wherein R 1 , R 2 and R 4 each represent an alkyl group.

Claim 14

A styrenic polymer or copolymer according to claim 11, wherein R 1 , R 2 and R 4 each represent a primary alkyl group.

Claim 15

A styrenic polymer or copolymer according to claim 12, wherein R 1 and R 2 are both methyl.

Claim 16

A styrenic polymer according to claim 13, wherein R 3 represents Cl, OCH 3 or OCOCH 3 .

Claim 17

A process for preparing a vinyl polymer or copolymer containing randomly located reactive pendant groups in the polymer chain, said reactive pendant groups having the formula: ##STR23## wherein R 1 and R 2 each represents a saturated aliphatic hydrocarbon group and R 3 is Cl or a group of the formula --OR 4 or ##STR24## wherein R 4 represents a saturated aliphatic hydrocarbon group or an aromatic hydrocarbon group, which method comprises: (1) chemically modifying a polymer or copolymer containing styrene units through acylation of the ring with an acyl halide or anhydride, thereafter (2) reacting the product with a Grignard reagent or an alkyl lithium compound to form a polymer containing tertiary alcohol groups (IX) in which R 3 represents --OH, and (3) subjecting the resulting tertiary alcohol group-containing polymer: (i) to halogenation to produce a polymer containing groups (IX) in which R 3 represents chloro, or (ii) to etherification to produce a polymer containing groups (IX) in which R 3 represents --OR 4 , or (iii) to esterification to produce a polymer containing groups (IX) in which R 3 represents ##STR25##

Claim 18

A process for preparing a vinyl polymer or copolymer containing randomly located reactive pendant groups in the polymer chain, said reactive pendant groups having the formula: ##STR23## wherein R 1 and R 2 each represents a saturated aliphatic hydrocarbon group and R 3 is Cl or a group of the formula --OR 4 or ##STR24## wherein R 4 represents a saturated aliphatic hydrocarbon group or an aromatic hydrocarbon group, which method comprises: (1) chemically modifying a polymer or copolymer containing styrene units through acylation of the ring with an acyl halide or anhydride, thereafter (2) reacting the product with a Grignard reagent or an alkyl lithium compound to form a polymer containing tertiary alcohol groups (IX) in which R 3 represents --OH, and (3) subjecting the resulting tertiary alcohol group-containing polymer: (i) to halogenation to produce a polymer containing groups (IX) in which R 3 represents chloro, or (ii) to etherification to produce a polymer containing groups (IX) in which R 3 represents --OR 4 , or (iii) to esterification to produce a polymer containing groups (IX) in which R 3 represents ##STR25##