What pre-treatment or post-treatment processes are necessary when printing on nonwoven fabrics using digital printing techniques?-Shaoxing Keqiao Yunwei Textile Co., Ltd.

What pre-treatment or post-treatment processes are necessary when printing on nonwoven fabrics using digital printing techniques?

Update:20 Nov,2023

When printing on nonwoven fabrics using digital printing techniques, certain pre-treatment and post-treatment processes are often necessary to ensure the quality, durability, and longevity of the printed designs. These processes may vary based on the specific ink type, fabric composition, and desired outcomes. Here are some common pre-treatment and post-treatment procedures:

Pre-Treatment Processes:

Fabric Cleaning: Nonwoven fabrics need to be thoroughly cleaned before printing to remove any dirt, dust, or impurities that might interfere with ink adhesion.

Pre-coating: Applying a pre-coating or pre-treatment solution to the fabric can enhance ink absorption and color vibrancy while promoting better adhesion of the printed design.

Fabric Fixation: Nonwoven fabrics might require a fixation process, usually involving heat, to set the pre-coating and prepare the fabric for optimal ink adherence.

Pre-Printing Testing: Conducting tests to ensure the compatibility of the fabric with the chosen ink type and printing technology is crucial to determine the ideal settings for printing.

Post-Treatment Processes:

Heat Setting or Curing: After printing, heat setting or curing the fabric is often necessary to ensure that the ink adheres properly and resists fading or washing.

Calendering: This process involves passing the fabric through calender rollers to enhance color penetration, smoothness, and the overall finish of the printed fabric.

Washing or Finishing: Some nonwoven fabrics might undergo washing or finishing processes to remove excess ink, fix the print, or enhance the softness of the fabric.

UV Protection Coating: To enhance outdoor durability, a UV protection coating might be applied to prevent the printed design from fading due to sunlight exposure.

Quality Inspection: A final inspection to ensure the quality and accuracy of the printed design on the nonwoven fabric is typically performed before the product is deemed ready for use or distribution.

These pre-treatment and post-treatment processes are crucial to optimize the performance and appearance of digitally printed designs on nonwoven fabrics. They help ensure adhesion, color vibrancy, durability, and overall quality of the final printed product. The specific treatments required may vary based on the ink type, fabric material, and intended use of the printed fabric.