Polyurethane Crosslinking Agent for Pigment Printing DN-7170

BRIDGING AGENT DN-7170

1、 PRODUCT INTRODUCTION

Bridging agent DN-7170 is a kind of closed polyurethane, which can be finished in the same bath with waterproof agent. It can promote the cross-linking reaction between waterproof agent and fiber, and significantly improve the water and oil repellent durability of fabric.

2、 TECHNICAL INDEX

Appearance: white to light yellow opaque liquid

Ionicity: weak cation

PH: 3.5 ~ 5.5 (1% deionized water solution)

Solubility: it can be dispersed in water in any proportion

3、 SCOPE OF APPLICATION

It can be used together with waterproof agent to improve the washing resistance of various fabrics.

4、 PRODUCT FEATURES

1. Crosslink the waterproof agent with the fabric to improve the washability of water and oil proofing.

2. Improve the wet rubbing fastness of pigment printing.

3. It has no adverse effect on the handle, shade and color fastness of the fabric.

5、 HOW TO USE IT

[bath with waterproof agent]

Waterproofing agent: x g / L

Bridging agent DN-7170

20% to 30% of water repellent

Working liquid for immersion rolling → drying (110 ℃) → setting (cotton: 160 ℃) × 2 min； Polyester / cotton: 170 ~ 180 ℃ × 30 ~ 60 s）。

[used in pigment printing paste]

Coating: X%

Adhesive: 15 ~ 20%

Bridging agent dn-7170: 1.5 ~ 2%

Add thickener, stir at high speed to make color paste, print, dry and set

6. PACKAGING, STORAGE AND PRECAUTIONS

120 kg plastic bucket. The storage period is 12 months.

*The specific process and dosage of bridging agent should be adjusted according to the fabric variety and processing technology.

*In order to obtain better treatment effect, the fabric surface must be clean and free of residual chemicals and other substances.