GB/T 32366-2025Biodegradable poly(butylene adipate terephthalate) (PBAT) (English PDF)

1 Scope

This document specifies the classification, requirements, inspection and

It describes the test rules, marking, packaging, transportation and storage, and the corresponding test methods.

This document is applicable to the direct polycondensation method or chain extension method using terephthalic acid (or its dimethyl ester), adipic acid, and 1,4-butanediol as the main raw materials.

Produced polybutylene terephthalate adipate resin.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to

This document.

GB/T 601-2016 Preparation of standard titration solutions for chemical reagents

GB/T 1033.1 Plastics - Determination of density of non-cellular plastics - Part 1.Immersion method, liquid pycnometer method and titration method

GB/T 1040.2-2022 Determination of tensile properties of plastics Part 2.Test conditions for molded and extruded plastics

GB/T 1043.1-2008 Determination of impact properties of simply supported plastic beams Part 1.Non-instrumented impact test

GB/T 2547 Plastics Sampling Method

GB/T 2918 Standard environment for conditioning and testing of plastic specimens

GB/T 3682.1-2018 Plastics Thermoplastics Melt Mass Flow Rate (MFR) and Melt Volume Flow Rate (MVR)

Determination of part 1.standard method

GB/T 3682.2-2018 Plastics Thermoplastics Melt Mass Flow Rate (MFR) and Melt Volume Flow Rate (MVR)

Determination of temperature and humidity - Part 2.Test methods for materials sensitive to time-temperature history and/or humidity

GB/T 6682 Specifications and test methods for water used in analytical laboratories

GB/T 9345.1 Determination of ash content in plastics Part 1.General method

GB/T 11115-2009 Polyethylene (PE) resin

GB/T 12006.2-2009 Plastics Polyamides Part 2.Determination of moisture content

GB/T 14190-2017 Test method for fiber-grade polyester (PET) chips

GB/T 16422.2-2022 Plastics laboratory light source exposure test method Part 2.Xenon arc lamp

GB/T 17037.1 Plastics - Preparation of injection moulded test specimens for thermoplastic materials - Part 1.General principles and multi-purpose test specimens and long

Preparation of strip specimens

GB/T 19466.3 Plastics Differential Scanning Calorimetry (DSC) Part 3.Determination of Melting and Crystallization Temperature and Enthalpy

GB/T 41010 Degradation performance and labeling requirements for biodegradable plastics and products

3 Terms and definitions

The following terms and definitions apply to this document. […]