摘要:
Polymers comprising repeating units of the formula I where the variables are defined as follows: a is an integer from 0 to 3, R1, R2, R3 are identical or different and are selected independently from among hydrogen, C1-C20-alkyl, C1-C20-alkyl containing one or more Si, N, P, O or S atoms, C6-C30-aryl, preferably C6-C14-aryl, C4-C14-heteroaryl, —N(C6-C14-aryl)2, and Y1, where Y1 may be identical or different and are selected from among —CH═CH2, trans- or cis-CH═CH—C6H5, acryloyl, methacryloyl, methylstyryl, O—CH═CH2 and glycidyl, where Y2 is selected from among —CH═CH2, trans- or cis-CH═CH—C6H5, acryloyl, methacryloyl, methylstyryl, —O—CH═CH2 and glycidyl, and one or more groups Y1 or Y2 may be crosslinked to one another.
摘要:
Hyperbranched polyesters containing ethylenically unsaturated groups and obtainable by reacting (c) at least one compound having at least one ethylenic double bond with at least one hyperbranched polyester obtainable by condensing (a) at least one dicarboxylic acid or derivative thereof with at least one at least trifunctional alcohol or (b) at least one tricarboxylic or higher polycarboxylic acid or derivative thereof with at least one diol.
摘要:
The invention relates to a process for preparing a reaction product (RP) which is functionalized by groups containing halogen or sulfonyl chloride by reaction of at least one free-radically polymerizable monomer, at least one compound of the formula (I), at least one free-radical initiator and at least one free-radically polymerizable monomer containing halogen or sulfonyl chloride groups under free-radical conditions, and to a reaction product (RP) which can be prepared by the process of the present invention and to the use of the reaction product (RP) as macroinitiator for the preparation of graft copolymers. Furthermore the invention relates to a process for preparing graft copolymers by reaction of the reaction product (RP) with at least one suitable monomer and to graft copolymers which can be prepared by the process of the present invention and also to the use of the graft copolymers of the present invention.
摘要:
Hyperbranched polyesters containing ethylenically unsaturated groups and obtainable by reacting (c) at least one compound having at least one ethylenic double bond with at least one hyperbranched polyester obtainable by condensing (a) at least one dicarboxylic acid or derivative thereof with at least one at least trifunctional alcohol or (b) at least one tricarboxylic or higher polycarboxylic acid or derivative thereof with at least one diol.
摘要:
Thermally polymerizable mixtures of multifunctional macromonomers comprising at least one free-radically polymerizable group and polymerization initiators and use of these mixtures as binders for substrates, especially as binders for glass fibers, rock wool, natural fibers, manufactured fibers and for core sand binding.
摘要:
The invention relates to fluoranthene derivatives of the general formula (I) in which R1, R2, R3 and a are each defined according to the description, with the proviso that at least one of the R1 or R2 radicals is not hydrogen, to processes for their preparation and to the use of the fluoranthene derivatives as emitter molecules in organic light-emitting diodes (OLEDs), to a light-emitting layer comprising the inventive fluoranthene derivatives as emitter molecules, to an OLED comprising the inventive light-emitting layer and to devices comprising the inventive OLED.