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首页> 外文期刊>Journal of Applied Polymer Science >Polyesteramides Used for Hot Melt Adhesives;Synthesis and Effect of Inherent Viscosity on Properties
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Polyesteramides Used for Hot Melt Adhesives;Synthesis and Effect of Inherent Viscosity on Properties

机译：热熔胶用聚酯酰胺;固有粘度的合成及对性能的影响

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摘要

Polyesteramides, with different inherent viscosities, were synthesized from dimmer acid, sebacic acid, ethylenediamine, and diethylene glycolamine. The effect of inherent viscosity of the polyesteramides on their thermal properties, such as melt viscosity, softening point, heat of fusion, glass-transition temperature, and low-tem-perature flexibility, was studied; The effect of the inherent viscosity on mechanical properties, such as tensile strength, elongation at break, and hardness, and on adhesion properties, such as lap shear strength and T-peel strength, was also investigated. The results show that melt viscosity, tensile strength, and elongation at break increase as the inherent viscosity increases, and that lap shear strength of the polyesteramides also increases with increasing inherent viscosity, whereas softening point, glass-transition temperature, and shore D hardness of the polyesteramides essentially do not change as the inherent viscosity increases within a certain range.
机译：由二聚酸，癸二酸，乙二胺和二甘醇胺合成了具有不同固有粘度的聚酯酰胺。研究了聚酯酰胺的比浓对数粘度对其热性能的影响，如熔体粘度，软化点，熔融热，玻璃化温度和低温挠性。还研究了固有粘度对机械性能（如拉伸强度，断裂伸长率和硬度）以及对粘合性能（如搭接剪切强度和T剥离强度）的影响。结果表明，熔体粘度，拉伸强度和断裂伸长率随固有粘度的增加而增加，聚酯酰胺的搭接剪切强度也随固有粘度的增加而增加，而软化点，玻璃化转变温度和肖氏D硬度为当固有粘度在一定范围内增加时，聚酯酰胺基本上不变。

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