The guardian under the scorching sun

Anti-aging masterbatch for non-woven fabric

Yancheng Ruize Masterbatch Co., LTD

The scorching sun of midsummer bakes the earth like flames, and the intensity of ultraviolet rays reaches the peak of the year. The humid and hot air accelerates the oxidation and decomposition of materials. In the folds of outdoor sunshades, beneath the soil cover layer of agricultural mulching films, and at the seams of building waterproofing membranes, a silent battle over the durability of materials is underway.

As the "invisible shield" of this battle, non-woven fabric anti-aging masterbatch is reshaping the life cycle of outdoor materials with the power of technology, providing lasting protection for fields such as agriculture, construction, and home furnishing.

The necessity of anti-aging masterbatch

The "fragility" of ordinary non-woven fabrics in outdoor scenarios is shocking. Take the agricultural sector as an example. PP non-woven fabric mulching film without anti-aging components will powderize and break within just 1-2 months under strong ultraviolet radiation in summer, resulting in the loss of soil insulation effect and hindering the growth of crops. Similar scenarios are also common in the construction field: geotextiles that have not undergone anti-aging treatment become brittle due to ultraviolet aging in embankment protection projects, unable to effectively prevent soil erosion and eventually leading to local collapses.

This vulnerability stems from the molecular structure characteristics of polypropylene (PP) material. The tertiary carbon atoms in the PP molecular chain are extremely sensitive to ultraviolet light. Photodegradation reactions will directly break the chemical bonds, causing the material to become brittle and break. A hot and humid environment will accelerate oxidation reactions. Data shows that PP non-woven fabric without anti-aging components can experience a tensile strength decline of over 60% after being exposed outdoors for six months, completely losing its usability.

The introduction of anti-aging masterbatches is precisely to break this vicious cycle. By adding functional masterbatches during the production stage of non-woven fabrics, the materials can acquire the ability to resist multiple environmental factors such as ultraviolet rays, thermal oxygen, and damp heat, and their service life can be extended from several months to 3-5 years or even longer.

How to resist environmental erosion

The core technology of anti-aging masterbatch lies in its composite stabilizer system. Take hindered amine light stabilizers as an example. These substances can convert ultraviolet energy into harmless thermal energy through a unique "hydrogen atom transfer" mechanism, while capturing free radicals generated by photo-oxidation in the material, forming a closed-loop protection of "absorption - conversion - neutralization".

In addition to light stabilizers, the synergistic effect of antioxidants is equally crucial. Phenolic antioxidants can preferentially react with free radicals, preventing the spread of chain oxidation reactions. Phosphite ester antioxidants can decompose hydroperoxides and block the oxidation cycle.

The dispersion process of masterbatch directly affects the protective effect. The traditional method of directly adding anti-aging additives is prone to cause the powder to agglomerate during the melt extrusion process, resulting in "crystal point" defects. Masterbatch technology ensures molecular-level dispersion during spinning or web formation by uniformly dispersing stabilizers in the carrier resin to form particles with a diameter of only 2-5 microns.

The application of anti-aging non-woven fabric masterbatch

Non-woven fabric anti-aging masterbatch, with its outstanding weather resistance and durability, is triggering innovations in material applications in multiple fields. From reducing costs and increasing efficiency in agricultural production, to enhancing the reliability of construction projects, and then to upgrading the quality of household items, anti-aging technology is quietly changing the performance boundaries of traditional materials. The following analyzes its application value from three core scenarios:

An efficiency revolution in the agricultural sector

Non-woven fabric anti-aging masterbatch is promoting the transformation of agricultural mulching film from "consumable" to "durable goods". By adding anti-aging masterbatches, the plastic film can withstand long-term exposure to sun and rain, extend its service life, and reduce the replacement frequency and cost input for farmers. In the application of fruit tree bagging, anti-aging masterbatch enhances the weather resistance of fruit bags by three times. It can not only effectively prevent ultraviolet rays from scorching the fruits but also maintain the stability of the microclimate inside the bags, significantly improving the quality and commercial value of the fruits.

Durability upgrade of buildings and infrastructure

The demand for anti-aging non-woven fabrics in the construction field is increasingly prominent. For instance, in the slope protection and greening projects of expressways, anti-aging geotextiles need to withstand ultraviolet radiation for more than 12 hours per day on average. After the waterproof layer and roof covering materials of buildings are made of anti-aging non-woven fabric, cracking and leakage caused by ultraviolet rays can be effectively prevented, significantly enhancing safety and durability. In addition, this technology has gradually been introduced into fields such as automotive interiors, outdoor advertising fabrics, and logistics packaging to address the severe challenges that complex environments pose to materials.

The breakthrough in high-end home scenarios

The home furnishing sector is also achieving an "invisible upgrade" through anti-aging masterbatches. In outdoor furniture applications, the fabrics of sunshades, leisure chairs and other items, after undergoing anti-aging treatment, have their weather resistance increased by four times. Even after three summers of intense sunlight, they can still maintain their color vividness and physical strength. This feature precisely aligns with the high-end market's pursuit of "lasting as new", providing consumers with product solutions that combine aesthetics with long-lasting performance.

Ruize non-woven fabric anti-aging masterbatch uses imported high-efficiency and stable hindered amine light stabilizers, which can effectively prevent the chemical bonds in polymers such as polypropylene from being damaged during the process called photodegradation caused by ultraviolet rays, and provide long-term thermal stability for polyolefins, achieving a very good anti-aging purpose for polymers.

Ruize non-woven fabric anti-aging masterbatch is mainly applied in industries such as PP woven filaments, PP fiber filaments, PP short fibers, and PP non-woven fabrics. The non-woven fabric anti-aging masterbatch has a good anti-aging effect on products such as polyethylene.

Polypropylene spunbond nonwoven fabric color masterbatch can be produced according to customer needs. Polypropylene meltblown nonwoven fabric color masterbatch Polypropylene SMS non-woven fabric color masterbatch Polypropylene filament masterbatch; Polypropylene BCF masterbatch Polypropylene staple fiber color masterbatch and various types of color masterbatches for polypropylene.