摘要:
Linear, alternating .alpha.-olefin-CO copolymers are obtainable by polymerization of a monomer mixture comprisinga) carbon monoxide,b) 1-alkenes which are functionalized by a covalently bonded crown ether unit or cryptand unit A containing at least 5 heteroatoms selected from the group consisting of nitrogen, oxygen, sulfur and/or selenium in the polyheteroatom framework, and, if desired,c) C.sub.2 -C.sub.24 -1-alkenes.
摘要:
Thermoplastic molding compositions, comprising A) from 10 to 99% by weight of at least one thermoplastic polyamide, 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 AxBy 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%.
摘要:
Thermoplastic molding compositions comprising A) from 10 to 99% by weight of at least one thermoplastic polyamide, B) from 0.01 to 30% by weight of at least one highly branched or hyperbranched polyetheramine, C) from 0 to 70% by weight of further added materials, where the total of the percentages by weight of components A) to C) is 100%; the use of polyetheramines for improving the flowability and/or thermal stability of polyamides; and to the use of the molding compositions for the production of fibers, of foils, or of moldings of any type, and also to the resultant fibers, foils, or moldings.
摘要:
The invention relates to a thermoplastic molding composition containing at least one polyester, a compound of the formula (I) a mixture of compounds of the formula (II) and optionally additional compounds and additives. The invention further relates to the use of the thermoplastic molding composition for the producing fibers, foils and moldings. The invention further relates to fibers, foils and moldings containing the thermoplastic molding composition.
摘要:
Thermoplastic molding compositions comprising A) from 29 to 99.7% by weight of a thermoplastic polyester, B) from 0.3 to 3% by weight (based on 100% by weight of A)+B)) of an imide salt of the formula or a mixture of these, where Me is intended to be an alkali metal, C) from 0 to 70% by weight of further additives, where the total of the percentages by weight of A) to C) is 100%.
摘要:
Process for preparation of high-molecular-weight polyamides, which comprises reacting a polyamide A) at a temperature of from 150 to 350° C. with a compound B) which at this reaction temperature liberates isocyanic acid, where the concentration of the amino end groups in the polyamide A) used is greater than or equal to the concentration of the carboxy end groups.
摘要:
Thermoplastic molding compositions, comprising A) from 10 to 98% by weight of at least one polyoxymethylene homo- or copolymer, 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 AxBy 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%.
摘要翻译:热塑性模塑组合物,其包含A)10至98重量%的至少一种聚甲醛均聚物或共聚物,B)0.01至50重量%的B1)至少一种高度支化或超支化聚碳酸酯,其OH数为 1至600mg KOH / g聚碳酸酯(根据DIN 53240,第2部分)或B2)至少一种高度支化或超支化的A x B B y y y型聚酯, 其中x为至少1.1,y为至少2.1,或其混合物,C)0至60重量%的其它添加剂,其中组分A)至C)的重量百分比的总和为100重量% 。
摘要:
Thermoplastic molding compositions, comprising: (A) from 20 to 85% by weight of at least one polyamide whose number of amino end groups is ≧50 mmol/kg, (B) from 14.9 to 60% by weight of glass fibers. (C) from 0.01 to 2% by weight of at least one heat stabilizer, (D) from 0 to 1.5% by weight of at least one mold-release agent, and (E) from 0 to 30% by weight of other additives, where the total of the percentages by weight of (A)-(E) is 100.
摘要:
A thermoplastic molding composition containing A) at least one polyester, B) optionally one polycarbonate, C) a copolymer made of c1) styrene or of substituted styrenes of the formula I c2) at least one unsaturated nitrile, D) a copolymer made of d1) structural units deriving from one or more vinylaromatic monomers, d2) structural units deriving from one or more vinyl cyanides, d3) structural units deriving from one or more dicarboxylic anhydrides, and d4) optionally structural units deriving from other copolymerizable monomers.
摘要:
Use of thermoplastic molding compositions comprising, as essential components, A) from 29 to 99.95% by weight of a polyester, B) from 0.25 to 3.0% by weight of alkali metal oxoaluminates, or alkali metal salts of cyanic acid, isocyanic acid, thiocyanic acid, or metaboric acid, or a mixture of these, based on 100% by weight of A) and B), and also moreover C) from 0 to 70% by weight of further additives, where the total of the % by weight values for A) to C) is 100%, for producing laser-transparent moldings of any type.