Hydrolysis resistance test of artificial leather

The artificial leather hydrolysis resistance test can determine the hydrolysis resistance of artificial leather and synthetic leather. The test methods include the constant temperature and humidity hydrolysis resistance method (Method A), the normal temperature alkali liquid acceleration method (Method B) and the high temperature alkali liquid acceleration method (C method). It is suitable for testing the hydrolysis resistance of polyurethane artificial leather and polyurethane synthetic leather.
Zhongke Testing Reliability Experiment Center has the ability to test the reliability performance of various artificial leathers and synthetic leathers, and provides professional hydrolysis resistance testing services for artificial leathers.

1. Classification according to the synthetic resin used: polyvinyl chloride artificial leather, polyamide artificial leather, polyolefin artificial leather, polyurethane artificial leather.
2. Classified by base material: cotton cloth-based artificial leather, synthetic fiber-based artificial leather and fiber-based artificial leather.
3. Classification by production method: direct coating and scraping method artificial leather, transfer coating and scraping method artificial leather, calendering and laminating method artificial leather, extrusion laminating method artificial leather, rotary screen coating method artificial leather, wet method artificial leather.
4. Classification by use: Artificial leather can be divided into two categories: civil use and industrial use.
Civilian leather includes: leather for shoe covers, leather for clothes, leather for boxes, straw for bags, leather for handbags, leather for gloves and carts, straw for furniture, etc. Industrial leather includes: vehicle leather, floor leather, etc.

In the environment of a certain temperature and humidity or a certain temperature and a certain concentration of alkali solution, after a specified time, the hydrolysis resistance of the sample is evaluated based on the changes in the surface state of the sample and the change in the mechanical properties of the sample.
Note: Method A and Method B are not comparable due to different light sources.

QB/T 4671-2014 Test method for artificial leather and synthetic leather Determination of hydrolysis resistance
GB/T 629-1997 Chemical reagent sodium hydroxide
GB/T 2918-1998 Standard environment for conditioning and testing of plastic specimens
GB/T 6682-2008 Specifications and test methods for water in analytical laboratories
GB/T 8949-2008 Polyurethane dry-process artificial leather
QB/T 2714-2005 Leather Physical and Mechanical Testing Determination of Folding Fastness