Non-fluorinated water repellents rely on their physical structure and chemical properties to create hydrophobic effects. As a result, there are still some limitations in their current use, requiring the combination of auxiliary agents to achieve synergistic effects.

1. Uneven Application of Non-Fluorinated Water Repellents

The uniformity of water absorption on fabric samples before finishing can directly or indirectly impact the quality of the fabric after processing. Several common reasons for uneven water absorption in fabric samples include:

Residues of chemicals, impurities, or other contaminants from the dyeing process on the fabric surface.

(2) Use of hydrophobic chemicals in the pre-processing stage.

(3) Variations in fiber types, such as raw yarn or processed yarn, and the fabric's specifications.

(4) Equipment factors in the setting machine. 

In such cases, the use of a penetrating agent during processing can enhance the uniformity of water absorption. However, due to the unique characteristics of non-fluorinated water repellents, the typical penetrating agents used in textile processing can affect the stability of the non-fluorinated water repellent's effectiveness. In these situations, JintergEco WWN, at a concentration of up to 5g/l, can be used. This not only improves the uniformity of processing but also does not interfere with the effectiveness of the non-fluorinated water repellent

Recommend Product: JintergEco WWN

2. Issues with Seam Slippage in Finished Products

Non-fluorinated water repellents, when forming a surface film, can reduce the friction between yarns, leading to seam slippage in textile finished products. By using JintexEco AP-272C, it is possible to increase the roughness of yarn and fiber surfaces, thereby enhancing the coefficient of friction and effectively addressing the problem of seam slippage. Moreover, it can be used in conjunction with non-fluorinated water repellents during processing with minimal impact on water repellency effects.

Recommend Product: JintexEco AP-272C

3. Instability of Immediate Water Repellency

Non-fluorinated water repellents often exhibit poor immediate water repellency but may show improved performance after 5 or 10 wash cycles. This issue is primarily due to the use of chemicals during textile processing that are highly hydrophilic or have exceptional emulsifying properties, which can affect the effectiveness of non-fluorinated water repellents.

To address this, we recommend to our customers that during the dyeing process of fabric for non-fluorinated water-repellent treatment, they should avoid using anti-wrinkle agents commonly used in synthetic fiber processing that have a quick-drying and moisture-wicking nature. Instead, using JintexBio EX-100B can effectively provide in-bath anti-wrinkle treatment without negatively impacting the subsequent fixation of non-fluorinated water repellents.

Additionally, performing a cold water rinse with JinspersEco DS-314 inside the dyeing vat can help ensure the removal of impurities on the fabric surface that might interfere with water repellent processing, further enhancing the stability of non-fluorinated water repellent treatments.

Recommend Product:  JintexBio EX-100B 

Recommend Product:  JinspersEco DS-314

4. Poor Rain Resistance in Finished Products After Processing

Non-fluorinated water repellents may have limitations in forming high-density hydrophobic groups on the fabric surface due to their inherent physical and chemical properties. This limitation can affect their effectiveness when applied to finished fabrics requiring rain resistance.

In such cases, using a rain resistance booster like JintexEco RTI in conjunction with the non-fluorinated water repellent can be beneficial. JintexEco RTI works by filling the gaps between the contact points of the water repellent, thereby enhancing the fabric's resistance to rain and improving its performance in rainy conditions.

Recommend Product:  JintexEco RTI 

If you have any question, please feel free to contact us.