China Fabric Factory Fabric News How to distinguish between reactive printing and dyeing and paint printing and dyeing?

How to distinguish between reactive printing and dyeing and paint printing and dyeing?



There are two main methods of fabric printing and dyeing, one is traditional paint printing and dyeing, and the other is the opposite of paint printing and dyeing. reactive printin…

There are two main methods of fabric printing and dyeing, one is traditional paint printing and dyeing, and the other is the opposite of paint printing and dyeing. reactive printing and dyeing.

Reactive printing and dyeing It means that under certain conditions, the active gene of the dye combines with the fiber molecules, and the dye penetrates into the fabric. The dye and the fabric react chemically to make the dye and the fiber form a whole; dope printing is printing and dyeing in which the dye is physically combined with the fabric through an adhesive. Way.

The difference between reactive printing and dyeing and paint printing and dyeing is that the hand feel of reactive printing and dyeing is smooth and soft. A common saying is that the fabric of reactive printing and dyeing looks like mercerized cotton. Look at the effect of printing and dyeing from both positive and negative aspects. All are good; while the paint-dyed fabric feels stiff and looks a bit like an ink painting.

 1. Characteristics of paint printing and dyeing

 The process is simple and the cost is low. The color fastness is poor, and it will get old after washing; the environmental performance is poor, and the formaldehyde content is higher than that of reactive printing and dyeing; the printed part is sticky and appears hard without adding softener. If softener is added, the formaldehyde content will be higher.

 2. Characteristics of reactive printing and dyeing

Good breathability, excellent fastness, and soft hand feel, but there are also problems such as cumbersome printing process, long process, and difficult processing. Generally, reactive printing and dyeing can ensure that it is environmentally friendly and harmless to people. The color and fabric feel are also better, and there is no hard or soft feeling.

 3. Identification method

Recognize color: The color of paint printing is not bright and dim, giving people the feeling that the color is floating on the cloth. It’s like a coat of paint on the wall.

Look at the gloss: Pigment-printed fabrics are printed before leaving the factory After the “calendering” process, you can see that the cloth surface has a shiny feeling, which may be due to paint printing. This smoothness obtained through calendering is one-time and will disappear after washing.

Smell: Pigment printing adds a lot of adhesive The fabric is shaped directly without being washed, so the finished fabric will have a stronger smell.

Feeling: paint printing feels hard, fabric supplier In order to cover this shortcoming, softeners are added during styling, and the finished product will feel softer after being “calendered”, and most of it will fall off after washing.

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