Photoimageable polyolefin compositions containing photobase generators

A photoimageable composition comprising:

• b) a polymer having one or more first type of repeating units represented by formula (IA), said first type of repeating unit is derived from a monomer of formula (I):
• wherein:
• m is an integer 0, 1 or 2;
• R1, R2, R3 and R4 are the same or different and each independently represents hydrogen, halogen, a hydrocarbyl or halohydrocarbyl group selected from linear or branched (C1-C12)alkyl, hydroxy(C1-C12)alkyl, perfluoro(C1-C12)alkyl, (C3-C12)cycloalkyl, (C6-C12)bicycloalkyl, (C7-C14)tricycloalkyl, (C6-C10)aryl, (C6-C10)aryl(C1-C6)alkyl, perfluoro(C6-C10)aryl, perfluoro(C6-C10)aryl(C1-C3)alkyl, (C5-C10)heteroaryl, (C5-C10)heteroaryl(C1-C3)alkyl, hydroxy, (C1-C12)alkoxy, (C3-C12)cycloalkoxy, (C6-C12)bicycloalkoxy, (C7-C14)tricycloalkoxy, (C6-C10)aryloxy(C1-C3)alkyl, (C5-C10)heteroaryloxy(C1-C3)alkyl, (C6-C10)aryloxy, (C5-C10)heteroaryloxy, (C1-C6)acyloxy, —(CH2)a—C(CF3)2OR, —(CH2)a—CO2R, a group of formula (A):
• —(CH2)b—(OCH2—CH2)c—OR (A);
• and
• a group of formula (B):
• wherein:
• a is an integer from 0 to 4
• b is an integer from 0 to 10;
• c is an integer 0, 1, 2, 3 or 4;
• and
• R is hydrogen, linear or branched (C1-C6)alkyl, (C5-C8)cycloalkyl, (C6-C10)aryl or (C7-C12)aralkyl;
• and/or
• a second type of repeating unit represented by formula (IIA), said second type of repeating unit is derived from a monomer of formula (II):
• wherein
• R8, R9, R10 and R11 are the same or different and each independently of one another is selected from hydrogen, linear or branched (C1-C6)alkyl, (C5-C8)cycloalkyl, (C6-C10)aryl and (C7-C12)aralkyl;
• and
• a third type of repeating unit represented by formula (MA) or (IIIB), said second type of repeating unit is derived from a monomer of formula (III):
• wherein:
• Z is O or N—R12 wherein R12 is hydrogen, linear or branched (C1-C9)alkyl, (C3-C7)cycloalkyl and (C6-C12)aryl;
• R5, R6 and R7 are each independently of one another selected from hydrogen, linear or branched (C1-C9)alkyl, fluorinated or perfluorinated(C1-C9)alkyl, (C6-C12)aryl and (C6-C12)aryl(C1-C12)alkyl;
• and
• wherein each of aforementioned groups, where valence is permissible, is optionally substituted with one or more groups selected from linear or branched (C1-C6)alkyl, (C3-C7)cycloalkyl, (C1-C6)perfluoroalkyl, (C1-C6)alkoxy, (C3-C7)cycloalkoxy, (C1-C6)perfluoroalkoxy, halogen, hydroxy, linear or branched hydroxy(C1-C6)alkyl, acetoxy, phenyl, hydroxyphenyl and acetoxyphenyl;
• b) a photobase generator;
• and
• c) a carrier solvent.