Abstract:
A method for the production of block copolymers made of polyethyelene terephthalate and a polyamide made of meta-xylylendiamine and adipinic acid, in addition to methods for the production thereof.
Abstract:
The present invention relates to novel and improved polyamides composed of meta-xylylenediamine and having an amino end group content of less than 15 mmol/kg. Also found have been processes for preparing these polyamides composed of meta-xylylenediamine and adipic acid and having an amino end group content of less than 15 mmol/kg, which comprises reacting salt solutions of adipic acid and m-xylylenediamine at temperatures of from 80 to 300° C. and a pressure of from 1 to 20 bar with removal of water.
Abstract:
Process for preparation of block polymers of polyethylene terephthalate and of the polyamide composed of meta-xylylenediamine and adipic acid, and process for their preparation.
Abstract:
Process for preparation of block polymers of polyethylene terephthalate and of the polyamide composed of meta-xylylenediamine and adipic acid, and process for their preparation.
Abstract:
Disclosed is a process for preparation of block polymers of polyethylene terephthalate and of the polyamide composed of meta-xylylenediamine and adipic acid, which comprises adding to the polyamide at a relative solution viscosity of from 1.5 to 2.2 polyethylene terephthalate at a pressure of from 0.1 to 20 bar and at a temperature of from 240 to 300°C. Also disclosed is A block polymer of polyethylene terephthalate and of the polyamide composed of meta-xylylenediamine and adipic acid.
Abstract:
Process for preparation of block polymers of polyethylene terephthalate and of the polyamide composed of meta-xylylenediamine and adipic acid, and process for their preparation.
Abstract:
Process for preparation of block polymers of polyethylene terephthalate and of the polyamide composed of meta-xylylenediamine and adipic acid, and process for their preparation.
Abstract:
La invencion se refiere a materiales de moldeo termoplasticos que comprenden A) 10-99.9% en peso de tereftalato de polietileno, B) 0.01-50% en peso B1) por lo menos un tipo de policarbonato altamente ramificado o hiperramificado cuyo indice OH varia desde 1 hasta 600 mg KOH/g (de acuerdo con DIN 532540, Parte 2), o B2) por lo menos un tipo de poliester altamente ramificado o hiperramificado del tipo AxBy, en donde x es por lo menos 1.1 e y es por lo menos 2.1, o la mezcla de los mismos, C) 0 hasta 60% en peso de otros aditivos, en donde la suma de porcentajes en peso de los componentes desde A) hasta C) es igual a 100%. Se describe tambien el uso de dichos materiales de moldeo termoplasticos para la produccion de fibras o de recipientes de liquido.
Abstract:
The invention relates to thermoplastic moulding materials comprising A) 10-99 % by weight polyethylene terephthalate, B) 0.01 to 50 % by weight B1) at least one type of high-or hyper-branched polycarbonate, whose OH index ranges from 1 to 600 mg KOH/g (according to DIN 53240, part 2) or B2) at least one type of high- or hyper-branched AxBy-type polyester, wherein x is at least of 1.1 and y is at least of 2.1 or the mixture thereof, C) 0-to 60 % by weight other additives, wherein the sum of percentages of the components from A to C) is equal to 100 %. The use of said thermoplastic moulding materials for producing fibres and liquid containers are also disclosed.
Abstract:
Use of thermoplastic molding compositions comprising A) from 10 to 99.9% by weight of polyethylene terephthalate, B) from 0.01 to 50% by weight of B1) at least one highly branched or hyperbranched polycarbonate with an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, Part 2), or B2) at least one highly branched or hyperbranched polyester of A x B y type; where x is at least 1.1 and y is at least 2.1, or a mixture of these C) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to C) is 100%, for production of fibers or of liquid containers.