ISO 20028-1:2019 塑料 热塑性聚酯（TP）模塑和挤出材料 第1部分：命名系统和分类基础

标准编号：ISO 20028-1:2019

中文名称：塑料 热塑性聚酯（TP）模塑和挤出材料 第1部分：命名系统和分类基础

英文名称：Plastics — Thermoplastic polyester (TP) moulding and extrusion materials — Part 1: Designation system and basis for specification

发布日期：2019-09

标准范围

本文件建立了热塑性聚酯（TP）材料的命名体系，可作为规范的基础。它涵盖了基于聚对苯二甲酸乙二醇酯（PET）、聚对苯二甲酸丁二醇酯（PBT）、聚环己二甲基对苯二甲酸乙二醇酯（PCT）、聚萘二甲酸乙二醇酯（PEN）、聚萘二甲酸丁二醇酯（PBN）和其他TP类型的用于模塑和挤出的共聚物的模塑和挤出用聚酯均聚物。热塑性聚酯的类型通过基于适当等级的指定性能的分类系统相互区分:a） 粘度值；b） 拉伸弹性模量；以及关于预期用途和/或加工方法、重要性能、添加剂、着色剂、填料和增强材料的信息。该命名体系适用于热塑性聚酯均聚物和共聚物。本标准适用于以粉末、颗粒或颗粒的形式准备好正常使用的材料，未经色素、填料和其他添加剂改性或改性。本文件不适用于ISO 20029涵盖的饱和聚酯/酯和聚醚/酯热塑性弹性体。这并不意味着具有相同名称的材料必然具有相同的性能。本文件不提供指定材料所需的工程数据、性能数据或加工条件数据。如果需要此类附加性能，则应根据ISO 20028-2规定的试验方法（如适用）进行测定。为了指定热塑性聚酯材料满足特定规范，数据块5中给出了要求（见4.1）。

This document establishes a system of designation for thermoplastic polyester (TP) material, which can be used as the basis for specifications. It covers polyester homopolymers for moulding and extrusion based on poly(ethylene terephthalate) (PET), poly(butylene terephthalate) (PBT), poly(cyclohexylenedimethylene terephthalate) (PCT), poly(ethylene naphthalate) (PEN), poly(butylene naphthalates) (PBN) and other TP-types and copolyesters of various compositions for moulding and extrusion.The types of thermoplastic polyester are differentiated from each other by a classification system based on appropriate levels of the designatory properties:a) viscosity number;b) tensile modulus of elasticity;and on information about the intended application and/or method of processing, important properties, additives, colorants, fillers and reinforcing materials.This designation system is applicable to thermoplastic polyester homopolymers and copolymers. It applies to materials ready for normal use in the form of powder, granules or pellets, unmodified or modified by colorants, fillers and other additives. This document does not apply to the saturated polyester/ester and polyether/ester thermoplastic elastomers covered by ISO 20029.It is not intended to imply that materials having the same designation give necessarily the same performance. This document does not provide engineering data, performance data or data on processing conditions which can be required to specify a material. If such additional properties are required, they are intended to be determined in accordance with the test methods specified in ISO 20028-2, if suitable.In order to designate a thermoplastic polyester material to meet particular specifications, the requirements are to be given in data block 5 (see 4.1).

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