US 2019/0041751 Al  5  Feb. 7,2019  (4)  Preferably, the condensed polymers further comprise as  polymerized units one or more third unsaturated monomers  of formula ( 4)  wherein Z is chosen from unsubstituted C 5 _ 30 -aryl moiety,  substituted C 5 _ 30 -aryl moiety, CN, and-C(=O)R 17 ; R 14  is  chosen from H, C 1 _ 10 -alkyl, C 1 _ 10 -haloalkyl, halogen, and  ----C( =0  )R  18 ; each of R  15  and R  16  are independently chosen  from H, C 1 _ 4 -alkyl, C 1 _ 4 -haloalkyl, halogen, and CN; each of  R 17  and R 18  is independently chosen from OR 19  and N(R 20 )  2 ; R 19  is chosen from H, C 1 _ 20 -alkyl, C 5 _ 30 -aryl, C 6 _ 20 - aralkyl and a monovalent organic residue having a lactone  moiety; and each R 20  is independently chosen from H,  C1-20-alkyl, and C 6 _ 20 -aryl; wherein Zand R  14  may be taken  together to form a  5 to 7-membered unsaturated ring. When  Z  is an unsubstituted C 5 _ 30 -aryl moiety or a substituted  C 5 _ 30 -aryl moiety, it is preferred that such aryl moieties are  aromatic carbocycles. When Z is a substituted C 5 _ 30 -aryl  moiety, such aryl moiety has one or more of its hydrogens  replaced with one or more substituents chosen from halogen,  C1_calkyl, C 1 _chaloalkyl, C 1 _calkoxy, C 1 _chaloalkoxy,  phenyl, and phenoxy, preferably from halogen, C 1 _ 6 -alkyl,  C 1 _calkoxy, phenyl, and phenoxy, and more preferably from  halogen, C 1 _ 6 -alkyl, and phenyl. Preferably, such substituted  C 5 _ 30 -aryl has from 1 to 3 substituents, and more preferably  1  or  2  substituents.  wherein L  2  is a single bond or a divalent linking group; each  R 7  is independently chosen from H, C 1 _ 10 -alkyl, C 2 _ 20 - alkenyl, C 5 _ 20 -aryl, and C 6 _ 20 -aralkyl; each ofR 8  and R 9  are  independently chosen from H, C 1 _ 4 -alkyl, C 1 _ 4 -haloalkyl,  halogen, C 5 _ 20 -aryl, C 6 _ 20 -aralkyl, and CN; R 10  is chosen  from H, C 1 _ 10 -alkyl, C 1 _ 10 -haloalkyl, halogen, C 5 _ 20 -aryl,  C6_2 0 -aralkyl, and C(=O)R 11 ;  R$^{11 }$is chosen from OR 12  and  N(R 13 ) 2 ; R 12  is chosen from H, C 1 _ 20  alkyl, C 5 _ 20 -aryl, and  C 6 _ 20 -aralkyl; each R 13  is independently chosen from H,  C 1 _ 2 -alkyl, and C 5 _ 20 -aryl; each Y 1  is independently chosen  from halogen, C 1 _ 10 -alkoxy, C 5 _ 10 -aryloxy, and C 1 _ 10 -car› boxy; and b is an integer from O to 2.  It  is preferred that L  2  is a divalent linking group, and more preferably a divalent  linking group comprising one or more heteroatoms chosen  from oxygen and silicon. A suitable divalent linking group  for L  2  is an organic radical having from 1 to 20 carbon atoms  and optionally one or more heteroatoms. Preferred divalent  linking groups have the formula ----C(=O)---0-L 3 - wherein  L 3  is a single bond or an organic radical having from 1 to 20  carbon atoms.  It  is preferred that L 3  is an organic radical  having from 2 to 10 carbon atoms. Preferably, each R 7  is  independently chosen from C 1 _ 10 -alkyl,  C 2 _ 20 -alkenyl,  Cs-2 0 -aryl, and C 6 _ 20 -aralkyl.  It  is preferred that each Y 1  is  independently chosen from halogen, C 1 _calkoxy, C 5 _ 10 - aryloxy, and C 1 _ 6 -carboxy, and more preferably from halo› gen, C 1 _calkoxy, and C 1 _ccarboxy. Preferably, bis O or 1,  and more preferably b=O.  It  is preferred that each R 8  and R 9  are independently chosen from H, C 1 _ 4 -alkyl, C 1 _ 4 -ha› loalkyl, C 5 _ 20 -aryl, and C 6 _ 20 -aralkyl, and more preferably  from H, C 1 _ 4 -alkyl, C 5 _ 20 -aryl, and C 6 _ 20 -aralkyl. Yet more  preferably, each R  8  and R 9  are independently chosen from H,  methyl, $^{ethyl}$1lropyl, butyl, phenyl, naphthyl, benzyl, and  phenethyl. R  is preferably chosen from H, C 1 _ 10 -alkyl,  C1_ 10 -haloalkyl, C 5 _ 20 -aryl, C 6 _ 20 -aralkyl, and C(=O)R  11 ,  and more preferably from H, C 1 _ 10 -alkyl, C 5 _ 20 -aryl, C 6 _ 20 - aralkyl, and C(=O)R 11 .  It  is preferred that R$^{11 }$is OR 12 . R 12  is preferably chosen from H, C 1 _ 10 -alkyl, C 5 _ 10 -aryl, and  C 6 _ 15 -aralkyl. Preferably, each R 13  is independently chosen  from H, cl-10-alkyl, and c6-20-aryl.  [0022]  Exemplary ethylenically third unsaturated mono› mers include, without limitation: vinyl aromatic monomers  such as styrene, a-methylstyrene, ~-methylstyrene, stilbene,  vinylnaphthylene, acenaphthalene, and vinylpyridine; eth› ylenically unsaturated anhydride monomers such as maleic  anhydride, citraconic anhydride and itaconic anhydride,  ethylenically unsaturated carboxylic acid esters such as  crotonic acid esters, itaconic acid esters, and (meth)acrylate  esters; (meth)acrylonitrile; (meth)acrylamides; and the like.  Suitable (meth)acrylate ester monomers useful as the  unsaturated third monomers include, but are not limited to,  C 6 _ 20 -aryl (meth)acrylates, C 1 _ 10 -hydroxyalkyl (meth)acry› lates, glycidyl (meth)acrylate, and C 1 _ 10 -alkyl (meth)acry› lates. Exemplary (meth)acrylate ester monomers include,  without limitation, benzyl acrylate, benzyl methacrylate,  hydroxyethyl acrylate, hydroxyethyl methacrylate, hydroxy› propyl acrylate, hydroxypropyl methacrylate, glycidyl meth› acrylate, methyl acrylate, methyl methacrylate, phenyl  methacrylate, naphthyl methacrylate, and anthracenyl meth› acrylate.  [0023]  Preferred third unsaturated monomers are those of  formula (5)  (5)  [0020]  Suitable second unsaturated monomers having a  condensable silicon-containing moiety are generally com› mercially available from a variety of sources, such as  Sigma-Aldrich (St. Louis, Mo.), or may be prepared by  methods known in the art. Such monomers may be used  as-is, or may be further purified. Exemplary second unsatu› rated monomers include, but are not limited to: ally! dime› thoxysilane; ally! dichlorosilane; (trimethoxysilyl)methyl  ( meth)acrylate;  ( trimethoxysily l)ethy I  (meth )acrylate;  ( trimethoxysily l)propy I (meth )acrylate; ( trimethoxysily I) bu› tyl (meth)acrylate; (triethoxysilyl)methyl (meth)acrylate;  ( triethoxysily l)ethy I (meth )a cry late; ( triethoxysily l)propy I  ( meth)acrylate;  ( triethoxysily I )buty I  (meth )acrylate;  (trichlorosilyl)methyl (meth)acrylate; (trichlorosilyl)ethyl  (meth)acrylate;  (trichlorosilyl)propyl  (meth)acrylate;  (trichlorosilysilyl)butyl (meth)acrylate; (methyldimethox› ysilyl)propyl (meth)acrylate; vinyltriacetoxysilane; (triac› etoxysilyl)propyl (meth)acrylate; 4-((trimethoxysilyl)pro› pyl)styrene;  4-(trimethoxysilyl)styrene;  and  vinyltrimethoxysilane.  [0021]  The condensed polymers of the invention may  further comprise one or more third unsaturated monomers,  where such third monomers are free of an acidic moiety  having an acidic proton and having a pKa in water of  -5 to  13, and free of a condensable silicon-containing moiety.  ADG 