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USE OF POLYMER MIXTURES FOR THE PRODUCTION OF CARTRIDGES, PIPETTES, CUVETTES, OR PIPETTE HOLDERS
USE OF POLYMER MIXTURES FOR THE PRODUCTION OF CARTRIDGES, PIPETTES, CUVETTES, OR PIPETTE HOLDERS
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机译:聚合物混合物在生产卡丁车,塑料瓶,玻璃瓶或塑料瓶架中的使用
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摘要
The invention relates to the use of biodegradable polymer mixtures containing: A) 15 to 50 wt.%, relative to components A and B, of a biodegradable, aliphatic-aromatic polyester that has an MFR (at 190°C/2.16 kg according to ISO 1133) of 40 to 150 g/10 min and contains: 40 to 70 mole %, relative to components i to ii, of one or more dicarboxylic acid derivatives or dicarboxylic acids selected from among the group consisting of succinic acid, adipic acid, sebacic acid, azelaic acid, and brassylic acid; ii) 60 to 30 mole %, relative to components i to ii, of a terephthalic acid derivative; iii) 98 - 100 mole %, relative to components i to ii, of a C2-C8 alkylene diol or C2-C6 oxyalkylene diol; iv) 0 to 2 wt.%, relative to the total weight of components i to iii, of a chain extender and/or chain brancher selected from among the group consisting of: a difunctional or polyfunctional isocyanate, isocyanurate, oxazoline, epoxide, carboxylic acid anhydride, and/or an at least trifunctional alcohol or an at least trifunctional carboxylic acid; B) 50 to 85 wt.%, relative to components A and B, of polylactic acid that has an MFR (at 190°C/2.16 kg according to ASTM D1238) of 5 to 50 g/10 min; C) 0 to 40 wt.%, relative to the total weight of components A to D, of an organic filler; and D) 0 to 3 wt.%, relative to the total weight of components A to D, of at least one stabilizer, nucleating agent, mold release agent, surfactant, wax, antistatic agent, antifogging agent, dye, pigment, UV absorber, UV stabilizer, or other plastic additive; for producing cartridges, pipettes, cuvettes, and pipette holders. The invention further relates to methods for producing the aforementioned items.
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