CO-CROSSLINKER SYSTEMS FOR ENCAPSULATION FILMS COMPRISING UREA COMPOUNDS

摘要

A first composition (A) contains (i) at least one compound (I) selected from the group consisting of triallyl isocyanurate, and triallyl cyanurate, wherein the compound (I) is preferably triallyl isocyanurate; and (ii) at least one urea compound. A second composition (B) contains the first composition (A) and at least one polyolefin copolymer. Composition (B) is used for producing a film for encapsulating an electronic device, in particular a solar cell.

主权项

1. A composition (A), comprising:
(i) at least one compound (I) selected from the group consisting of triallyl isocyanurate, and triallyl cyanurate; and (ii) at least one compound (II); wherein the compound (II) is defined by a chemical structural formula selected from the group consisting of (II-A), (II-B), (II-C), (II-D) wherein and wherein n=0 or 1; A1, A2, A3, A4, A5, A6, A7, A8 are each independently of one another selected from the group consisting of i) a methacryloyl group, ii) an acryloyl group, and iii) a branched or unbranched alkenyl group having 3 to 18 carbon atoms and having at least one terminal double bond; R1, R2, R3, R4, R5 are each independently of one another selected from the group consisting of the following a, b and c):
a) hydrogen,b) a branched or unbranched alkyl group having 1 to 20 carbon atoms, wherein one or more hydrogen radicals may each be substituted by a halogen radical and wherein in addition one or two hydrogen radicals may each be substituted by a radical selected from the group consisting of —OR6, and —C(═O)NR7R8, wherein R6, R7, R8 are each independently of one another selected from the group consisting of hydrogen, branched and unbranched alkyl group having 1 to 10 carbon atoms, andc) a cycloalkyl group having 3 to 12 carbon atoms, wherein one or more hydrogen radicals may each be substituted by a halogen radical and wherein in addition one or two hydrogen radicals may each be substituted by a radical selected from the group consisting of —OR9, and —C(═O)NR10R11, wherein R9, R10, R11 are each independently of one another selected from the group consisting of hydrogen, and a branched and unbranched alkyl group having 1 to 10 carbon atoms, and wherein the radicals R1 and R2 may each also be selected from the group consisting of methacryloyl group, acryloyl group, and a branched or unbranched alkenyl group having 3 to 18 carbon atoms and having at least one terminal double bond; and wherein at least one compound (II) in the composition (A) is present in a proportion of at least 1% by weight based on a total weight of all compounds (I) in the composition (A).