Specialty additives for polyurethane flexible foam
Polyurethane soft foam is a flexible polyurethane foam with a certain degree of elasticity, commonly known as polyurethane sponge, foam. This kind of foam is elastic, generally with low density, good elastic response, sound absorption, breathable, heat preservation and other properties, mainly used in a variety of thermal materials, cushioning materials, such as cars, boats and furniture sofa seat cushions, cushions and armrests, mattresses, clothing padding and so on. Industrial and civil use of soft foam as filter materials, sound insulation materials, shockproof materials, decorative materials, packaging materials and thermal insulation materials.
Among them, the laminated composite material made of soft foam sheet and various textile fabrics is one of the classic application fields of soft foam. The composite sheet is lightweight, with good heat insulation and air permeability, especially suitable for use as clothing lining. For example, it is used as clothing shoulder pads, bra sponge pads, all kinds of shoes lining and handbag lining.
In addition, due to the PU soft foam air permeability and moisture permeability, but also suitable for the production of mattresses. For example, in our country called “Simmons” mattress, most by the PU soft foam sheet, spring and fabrics made. At the same time, because PU soft foam has good sound absorption and vibration damping performance, can also be used as sound insulation materials within the equipment.+
It can be seen that the application of PU foam is everywhere, is an important material essential to life. Qingdao Deda Zhicheng Chemical Industry, as a professional supplier of special additives, has accumulated many years of experience in the field of polyurethane additives, and is able to provide customers with all kinds of solutions for polyurethane foam plastic modifiers.
As a new generation of phenol-free phosphite antioxidant, AN6133 does not contain phenol, nonylphenol, bisphenol A and other free phenol substances. It has the advantages of low volatility, good heat resistance and hydrolysis resistance, which can effectively improve the thermal stability and anti-smoke (NOX) yellowing performance of polyurethane foam. And it can be widely used in PVC, rubber, plastic, oil and other polymers.
At the same time, it can effectively improve its processing heat stability and light stability, and keep the color stability and transparency of the products. It is an efficient antioxidant for ABS, SBS, SIS, SEBS and other rubber materials.
In addition, we can also provide a variety of high-quality UV absorbers, light stabilizers and antioxidants for PU soft foam and TPU elastomers, such as Eurostar® AN6136, AN6132, AN1135, AN5057, UV1, UV571, UV1130, LS292 and so on. Through the use of a variety of additives, the synergistic effect between the additives can be fully utilized, effectively preventing the degradation of polyurethane products in the light or weather conditions, thus providing long-lasting and reliable protection.
In this era of rapid development, with the improvement of people’s living standards, consumers are paying more and more attention to the safety and environmental performance of products while focusing on comfort. Environmental protection departments at all levels have increased the management and enforcement of pollutant emissions, and many polyurethane foam manufacturers have been included in the key regulatory targets by the local environmental protection departments; at the end of last year, the “Priority List of Controlled Chemicals (the first batch)” was released, and methylene chloride was listed among them, how polyurethane foam enterprises should improve the production process to meet the needs of consumers and to improve the impact on the environment will be a problem that the upstream and downstream enterprises in the future will need to pay attention to. It will be a matter of concern for both upstream and downstream enterprises of polyurethane foam in the future.
