摘要:
The invention relates to a method for producing hyperbranched polymers, said method being characterised in that compounds of general formula (1), wherein the variables are defined as follows, are reacted in the presence of a catalyst, optionally with at least one compound of general formula (1a) wherein the variables are also defined as follows: x represents sulphur or oxygen; R1 and R3 are the same or different and are selected from hydrogen, C1-C6 alkyl, C3-C12 cycloalkyl, C6-C14 aryl; R2 and R4 are the same or different and are selected from hydrogen, C1-C6 alkyl, C3-C12 cycloalkyl, C6-C14 aryl; Z1 and Z2 are the same or different and are selected from COOH and COOR6, the radicals R6 being the same or different and selected from C1-C6 alkyl, formyl, CO-C1-C6 alkyl; R5 is respectively the same or different and selected from C1-C6 alkyl and hydrogen; and n is a whole number between 2 and 10.
摘要:
The invention relates to thermoplastic moulded masses containing A) between 10 and 98 wt. % of at least one thermoplastic polymer, B) between 0.01 and 50 wt. % of B1) at least one highly branched or hyperbranched polycarbonate with an OH-number of between 1 and 600 mg KOH/g of polycarbonate (according to DIN 53240, part 2), or B2) at least one highly branched or hyperbranched polyester of type AxBy where x represents at least 1.1 and y represents at least 2.1, or the mixtures thereof; C) between 1 and 40 wt. % of a halogen-free flame protection agent selected from the group of compounds containing phosphorus or nitrogen, or the P-N condensates or the mixtures thereof; and D) between 0 and 60 wt. % of other additives, the sum of the weight per cent of the constituents A) to D) amounting to 100 %.
摘要:
The invention relates to thermoplastic moulded masses containing A) between 10 and 98 wt. % of at least one thermoplastic polymer, B) between 0.01 and 50 wt. % of B1) at least one highly branched or hyperbranched polycarbonate with an OH-number of between 1 and 600 mg KOH/g of polycarbonate (according to DIN 53240, part 2), or B2) at least one highly branched or hyperbranched polyester of type AxBy where x represents at least 1.1 and y represents at least 2.1, or the mixtures thereof; C) between 1 and 40 wt. % of a halogen-free flame protection agent selected from the group of compounds containing phosphorus or nitrogen, or the P-N condensates or the mixtures thereof; and D) between 0 and 60 wt. % of other additives, the sum of the weight per cent of the constituents A) to D) amounting to 100 %.
摘要:
Disclosed are thermoplastic molding materials containing A) 10 to 99.99 wt. % of at least one thermoplastic polyester, B) 0.01 to 50 wt. % of a mixture of B1) at least one highly branched or hyperbranched polycarbonate having a hydroxyl number of 1 to 600 mg KOH/g of polycarbonate (according to DIN 53240, part 2), and B2) a highly branched or hyperbranched polyester of type AxBy, wherein x is at least 1.1 and y is at least 2.1, and C) 0 to 60 wt. % of other additives, the sum of the percentages by weight of components A) to C) amounting to 100 percent.
摘要:
The invention relates to a polymer blend containing the following constituents A) to C), the sum of said constituents amounting to 100 wt. %: A) between 30 and 99.99 wt. % of at least one polyester, B) between 0.01 and 70 wt. % of at least one linear oligomer polycarbonate, and C) between 0 and 80 wt. % of other additives.
摘要:
The invention relates to a two-step method for producing polyesterols, comprising the following steps: a) production of at least one base polyesterol by reacting at least one dicarboxylic acid with at least one polyhydroxyl compound, b) reaction of the base polyesterol from step a) or a mixture of the base polyesterols from step a) with at least one enzyme and optionally also polyhydroxyl compounds. The invention also relates to a polyesterol that is produced according to said method.
摘要:
Disclosed are thermoplastic molding materials containing A) 10 to 99.99 wt. % of at least one thermoplastic polyester, B) 0.01 to 50 wt. % of a mixture of B1) at least one highly branched or hyperbranched polycarbonate having a hydroxyl number of 1 to 600 mg KOH/g of polycarbonate (according to DIN 53240, part 2), and B2) a highly branched or hyperbranched polyester of type AxBy, wherein x is at least 1.1 and y is at least 2.1, and C) 0 to 60 wt. % of other additives, the sum of the percentages by weight of components A) to C) amounting to 100 percent.
摘要:
The invention relates to thermoplastic molding materials containing: A) 10 to 98 % by weight of at least one thermoplastic polymer; B) 0.01 to 50 % by weight of; B1) at least one highly branched or hyperbranched polycarbonate with an OH number ranging from 1 to 600 mg KOH/g of polycarbonate (in accordance with DIN 53240, part 2) or; B2) at least one highly branched or hyperbranched polyester of type AxBy with x being at least 1.1 and y being at least 2.1 or mixtures consisting of B1) and B2); C) 1 to 30 % by weight of a flameproofing agent combination consisting, with regard to 100 % by weight of C), of; C1) 20 to 99 % by weight of a halogen-containing flameproofing agent; C2) 1 to 80 % by weight of an antimony oxide, and; D) 0 to 60 % by weight of additional additives, the sum of the weight percentages of constituents A) to D) totaling 100 %.
摘要:
The invention relates to a method for producing highly branched or hyperbranched polyamides. The inventive method is characterized by reacting a first monomer A 2 having at least two functional groups A, with a second monomer B 3 having at least three functional groups B, whereby 1) the functional groups A and B react with each other, and 2) one of the monomers A and B is an amine and the other of the two monomers A and B is a carboxylic acid, and 3) the molar ration of A 2 : B 3 ranges from 1.1:1 to 20:1.
摘要:
The invention relates to thermoplastic molding materials containing: A) 10 to 98 % by weight of at least one thermoplastic polymer; B) 0.01 to 50 % by weight of; B1) at least one highly branched or hyperbranched polycarbonate with an OH number ranging from 1 to 600 mg KOH/g of polycarbonate (in accordance with DIN 53240, part 2) or; B2) at least one highly branched or hyperbranched polyester of type AxBy with x being at least 1.1 and y being at least 2.1 or mixtures consisting of B1) and B2); C) 1 to 30 % by weight of a flameproofing agent combination consisting, with regard to 100 % by weight of C), of; C1) 20 to 99 % by weight of a halogen-containing flameproofing agent; C2) 1 to 80 % by weight of an antimony oxide, and; D) 0 to 60 % by weight of additional additives, the sum of the weight percentages of constituents A) to D) totaling 100 %.