描述

TPU塑料改性装置

优异的附着力、低粘度、良好的抗挠曲性、优异的耐磨性、高光泽、优良的耐候性

TPU塑料改性厂

产品详细信息

TPU塑料改性厂

合成或加工TPU时，添加一定量的润滑剂可以减少剪切热，降低扭矩和材料压力，提高挤出速度，减少粘着、不粘辊和适当脱模等，从而达到提高熔体流动性和加工性的目的。但是，TPU塑料改性装置中，润滑剂不应过量，否则滚轮和螺钉会滑动，这将降低性能并影响产量。常用润滑剂包括粉末聚烯烃（如低分子量聚乙烯）、合成蜡（如硬脂酰胺、乙烯双硬脂酰胺）、脂肪酸酯（如硬脂酸甲酯、丁酯）和脂肪酸金属盐（如硬脂酸锌、硬脂酸钡等）和天然蜡（如蜂蜡等）。该量通常为TPU量的0.3-5wt%

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TPU Plastic Modification Plant

Excellent adhesion,
Low viscosity,
Good flex resistance,
Excellent abrasion resistance,
High gloss,
Excellent weather resistance.

TPU Plastic Modification Plant

Product Details

TPU plastic modification plant

When TPU is synthesized or processed, adding a certain amount of lubricant can reduce shear heat generation, reduce torque and material pressure, increase extrusion rate and reduce adhesion, non-stick rollers and suitable demoulding, etc., so as to improve melt flow The purpose of sex and processing. However,TPU plastic modification plant， the lubricant should not be excessive, otherwise the rollers and screws will slip, which will reduce the performance and affect the yield. Commonly used lubricants include powdered polyolefins (such as low molecular weight polyethylene), synthetic waxes (such as stearamide, ethylene bisstearic acid amide), fatty acid esters (such as methyl stearate, butyl ester), and fatty acids The metal salts (such as zinc stearate, barium stearate, etc.) and natural wax (such as beeswax, etc.). The amount is usually 0.3-5wt% of the TPU amount.

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