Polyimide resin from bis-imide and monomer having two methylene groups activated by adjacent carbonyls

Claim 2

The polyimide addition copolymer made by reacting a monomer having two methylene groups activated by adjacent carbonyls selected from those having the general formulas R.sup.3 --CO--CH.sub.2 COCH.sub.2 COR.sup.3 or R.sup.3 --COCH.sub.2 --CO--Z--COCH.sub.2 COR.sup.3 wherein R 3 is selected from H or same or different monovalent organic radicals and Z is selected from a carbon-carbon bond, or Z is a divalent radical having 2-25 carbon atoms, or a divalent radical having at least one carbon atom which is connected to at least one carbon atom which is connected to at least one carbonyl through a heteroatom, with an ethylenically unsaturated bis-imide compound.

Claim 3

The addition copolymer of claim 1 wherein the mol ratio of said bis-imide compound to said monomer having two methylene groups ranges from 0.5-20.

Claim 4

The addition copolymer of claim 2 wherein said mol ratio ranges from 0.5-3.

Claim 5

The addition copolymer of claim 1 wherein said monomer having two methylene groups is selected from compounds of said general formulas wherein Z is a divalent radical selected from the group consisting of alkylene, aliphatic, aromatic, cycloaliphatic and lower alkyl substituted aromatic and aliphatic groups, and said heteroatom is oxygen or nitrogen, and wherein R 3 is selected independently from monovalent aryl, alkyl, alkaryl, or alkoxy groups having up to 30 carbon atoms.

Claim 6

The addition copolymer of claim 4 wherein R 3 is selected from the general formulas --C.sub.n H.sub.2n+1, wherein --C n H 2n+1 is linear or branched and n is 1-22 C.sub.n H.sub.2n+1 O--, wherein --C n H 2n+1 is linear or branched and n is 1-22 ##STR25## wherein --C n H 2n+1 is linear or branched and n is 0-22 ##STR26## wherein --C n H 2n -- is linear or branched and n is 1-22 ##STR27## wherein --C n H 2n+1 is linear or branched and n is 0-22 ##STR28## wherein --C n H 2n -- is linear or branched and n is 0-22 ##STR29## wherein R 8 , R 9 , R 10 , R 11 and R 12 are independently selected from hydrogen, halogen, alkyl, arylalkyl, alkoxy or alkyl amino groups.

Claim 7

The addition copolymer of claim 1 wherein said unsaturated bis-imide compound has a general formula: ##STR30## wherein D represents a divalent radical containing a carbon-carbon double bond and B is a divalent alkylene radical having less than 13 carbon atoms, a cycloalkylene radical having 5-6 carbon atoms in the ring, a heterocyclic radical containing at least one of the atoms, O, N, and S, a phenylene, a polycyclic aromatic radical, a phenylene or alicyclic radial connected directly or by a divalent or atom group which is O or S, an alkylene group having 1-3 carbon atoms or one of the groups selected from general formula --NR 14 --, --POR 13 --, --N═N--, --N═NO--, --CO 2 --, --SO 2 --, --SiR 13 R 14 --, --CONH--, --NY--CO--Q--CO--NY--, --O 2 C--Q--CO 2 --.

Claim 8

The addition copolymer of claim 6 wherein said bis-imide compound has the general Formula ##STR31## wherein at least one of R 1 and R 2 is --H and the other is a halogen or alkyl group having 1-4 carbon atoms.

Claim 9

The addition copolymer of claim 7 wherein the mol ratio of said bis-imide to said monomer having two methylene groups ranges from 0.5-3.

Claim 10

The addition copolymer of claim 1 polymerized with catalytic amounts of amines selected from a compound having the general stucture NR 3 R 5 R 6 or R 4 R 5 N--X--NR 6 R 7 wherein R 4 , R 5 , R 6 and R 7 are independently selected from hydrogen, alkyl, cycloalkyl, aryl, arylalkyl radicals having up to 20 carbon atoms and X is selected from the group consisting of ##STR32## or the related alkyl phenyl derivatives.

Claim 11

The addition copolymer of claim 9 wherein said amines are selected from the group consisting of ##STR33##

Claim 12

An encapsulant formulation comprising the copolymer of claim 1.

Claim 13

An addition copolymer of claim 1 characterized by Formula I or Formula II: ##STR34## wherein at least one of R 1 and R 2 is --H and the other is a halogen or alkyl group having 1-4 carbon atoms in the general Formula ##STR35## R 3 is selected independently from monovalent aryl, alkyl, alkaryl, or alkoxy groups having up to 30 carbon atoms and B is a divalent alkylene radical having less than 13 carbon atoms, a cycloalkylene radical having 5-6 carbon atoms in the ring, a heterocyclic radical containing at least one of the atoms O, N, and S, a phenylene, a polycyclic aromatic radical, a phenylene or alicyclic radical connected directly or by a divalent or atom group which is O or S, an alkylene group having 1-3 carbon atoms or one of the groups selected from formula --NR 14 --, --POR 13 --, --N═N--, --N═NO--, --CO 2 --, --SO 2 --, --SiR 13 R 14 --, --CONH--, --NY--CO--Q--CO--NY--, --O 2 C--Q--CO 2 --, ##STR36##