Blowing agent for polymer foaming is a substance that plays a key role in the polymer foaming process.

1. Basic characteristics

High-efficiency foaming ability

This blowing agent can quickly produce a large number of uniform bubbles in the polymer system. Under appropriate processing conditions, it can greatly expand the volume of the polymer material and form a porous structure. For example, when preparing polystyrene foam, it can ensure that the foam has a uniform cell size and distribution inside, thereby improving the quality and performance of the foam.

Good compatibility

It has good compatibility with a variety of polymers, whether it is thermoplastic polymers such as polyethylene, polypropylene, or thermosetting polymers such as polyurethane, it can be well mixed with them. This allows the blowing agent to be evenly dispersed in the polymer matrix, avoiding localized excessive or insufficient foaming.

Environmentally friendly

Many modern blowing agents for polymer foaming focus on environmental performance. They have the characteristics of low volatile organic compound (VOC) emissions, reducing the impact on indoor air quality, while also meeting increasingly stringent environmental regulations.

2. Application fields

Packaging industry

Used to manufacture various cushioning packaging materials, such as expanded polystyrene (EPS) packaging, which can effectively protect products from collision and extrusion during transportation and storage.

Construction industry

It is widely used in building insulation materials. For example, in the production process of polyurethane foam insulation board, the foaming agent can make polyurethane form a closed-cell structure, improve the insulation performance of the insulation board, and reduce the energy consumption of the building.

Automotive interior

Foaming materials used to manufacture interior parts such as car seats and dashboards. The foamed material is light, comfortable and has good cushioning properties, which improves the quality of car interiors.

3. Convenience of operation

During use, the blowing agent for polymer foaming has a wide processing temperature range, which is convenient for operation under different process conditions. And according to the specific polymer material and foaming requirements, the foaming ratio can be accurately controlled by adjusting the amount of foaming agent, so as to meet the personalized needs of different products.