摘要:
The present invention relates to materials comprising (A) at least one rubber, (B) at least one polyimide selected from branched condensation products of (a) at least one polyisocyanate having on average more than two isocyanate groups per molecule, and (b) at least one polycarboxylic acid having at least 3 COOH groups per molecule or anhydride thereof.
摘要:
The present invention relates to branched polyarylene ethers (A) comprising branching sites of the formula (I): The present invention further relates to a process for preparing the branched polyarylene ethers (A) and to thermoplastic molding materials comprising the branched polyarylene ethers (A) and further thermoplastic polymers (B). The present invention finally relates to the use of the thermoplastic molding materials for producing moldings, and to moldings obtainable from the aforementioned thermoplastic molding materials.
摘要:
The present invention relates to compositions which comprise highly branched polyesters, to the use of these highly branched polyesters in cosmetics and dermatology and to substituted highly branched polyesters.
摘要:
High-functionality highly branched or hyperbranched polyesters based on di-, tri- or polycarboxylic acids and di-, tri- or polyols, processes for preparing them, and their use.
摘要:
A process for preparing highly branched melamine polymers, wherein melamine is reacted with 1.5 to 4 mol, per mole of melamine, of one or more diamines or polyamines having at least two primary amino groups, it being possible for up to 25 mol % of the diamines or polyamines to have three or more primary amino groups and for up to 50 mol % of the diamines or polyamines to be replaced by amines having only one primary amino group, in the presence of an acidic catalyst.
摘要:
The present invention relates to a method of producing coatings with increased gloss, to aqueous coating materials for such a method, and to the use of highly branched polymers as an additive for aqueous polymer dispersions for coating materials that lead to coatings having increased gloss.
摘要:
The present invention relates to new high-functionality, highly branched or hyperbranched polylysines, to processes for preparing them, and to their use.
摘要:
The present invention relates to polymer dispersions which comprise highly branched polycarbonates, to a process for preparing them, and to their use.
摘要:
A high-functionality, highly branched or hyperbranched polycarbonate that has a weight average molecular weight of between 3,300 and 150,000, a degree of crosslinking of less than 15%, and a degree of branching ranging from 10% to 99.9%; the polycarbonate being made by a process comprising preparing one or more condensation products (K), and intermolecularly reacting the one or more condensation products (K) to form the polycarbonate.
摘要:
A process for preparing high-functionality highly branched polyureas which comprises reacting one or more carbonates with one or more amines having at least two primary and/or secondary amino groups, at least one amine having at least three primary and/or secondary amino groups.