TPU has outstanding abrasion resistance, bending fatigue resistance, and high elasticity, which can be used for various automotive parts. TPU contains many polar groups, which can easily absorb moisture in the air. On the one hand, the absorbed water acts as a plasticizer, which will lead to a decrease in

With the introduction of various environmental protection policies and the enhancement of consumer awareness of environmental protection, water-based products have gradually become the future development trend of coatings and adhesives. Taking water-based polyurethane as an example, its main dispersion medium is water. It has the advantages of traditional polyurethane such

Polylactic acid (PLA) has many advantages so that it is currently used in packaging materials, 3D printing, agriculture, medical, textile, and other fields, most of which are disposable products or have relatively short use cycles. Commercial PLA itself has very obvious disadvantages, such as low crystallization rate, poor toughness, and

In order to compete with other general-purpose resins and expand their application areas, manufacturers are constantly modifying PET engineering plastics. The modification focuses on the following areas: a) Improvement of formability. PET engineering plastics may crystallize rapidly at lower temperatures by selecting various nucleating agents and crystallization promoters to speed

PET monofilaments have a series of advantages such as good impact resistance, wear-resistance and fatigue resistance, but PET is prone to hydrolysis aging and failure under humid and especially hot and humid conditions. The paper machine dryer screen usually works under an environment of 100℃ containing water and gas. Because PET

Polyester polymer materials are prone to hydrolysis in humid environments, especially in humid and hot environments. A large number of terminal carboxyl groups are generated in the broken polyester molecular chains after hydrolysis, and the terminal carboxyl groups will continue to catalyze the hydrolysis reaction. Finally, the polyester materials break due to hydrolytic aging. In

Polybutylene terephthalate (PBT) is a commonly used engineering plastic material with a series of excellent comprehensive properties, such as high crystallinity, rapid prototyping, weather resistance, low friction coefficient, high heat distortion temperature, good electrical properties, excellent mechanical properties, fatigue resistance, ultrasonic welding, etc. PBT has been widely used in the

Anti-hydrolysis agent, also known as hydrolysis stabilizer, is a chemical substance with very stable performance. It does not react with strong oxidants such as peroxides, sulfuric acid, accelerators and other reducing agents at room temperature or slightly higher temperature. For PET/polyester materials, under the conditions of high humidity and high temperature, the ester bonds in