Discussion On Printing Technology

In recent years, with the development of the market, there are a great demand for sofa backrest, handrails, quilts, bedspreads, curtains, tablecloths, tea tables, garments and other rotten flower products commonly used in hotels, restaurants, hotels and conference rooms.

These handicrafts are of high strength.

Good, good color fastness, no ironing, wrinkle resistant, good wash, fast drying and other advantages, popular.

Rotten flower craft is the use of two kinds of acid resistant different fiber blended textiles.

After acid printing and chemical processing, the acid resistant natural fibers are partially rotted away.

Expose the acid resistant chemical fiber part, form a crystal clear flower pattern, make it look gorgeous and gorgeous.

In addition to using special equipment, the main process is to use manual platen printing.

The quality requirements of rotten flowers are manifested in the pparency of rotten flowers.

The contour requirements are clear, impermeable, few flowers, many flowers, continuous lines, beautiful patterns and accurate layout.

When designing flower pattern, avoid excessive, too small dots, lines and surfaces.

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When the pattern of flower printing is combined with the printing part, it should be noted that there is a suitable gap to prevent the infiltration of burnt out paste and printing paste.

Destroy the effect of flower pattern.

Register should not be too much to avoid difficulties in the whole version.

The choice of burnt out grey cloth is mainly supplied by the following kinds of burnt out grey cloth, such as polyester / cotton core cloth, good pparency of rotten flowers and suitable for high-grade rotten flowers.

Polyester / cotton blended fabric has poor pparency in burnt out parts and can be used for general burnt out products.

Acrylic / cotton core cloth, good pparency of burnt out parts.

The dyeability of polyester is poor.

The choice of rotten silk screen.

General selection

Its service life is longer.

In the case of no polyester silk screen, it is also possible to choose nun Tun silk net, with 160~200 items as good.

When designing the manuscript, we should pay attention to the following questions: when the rotten flowers are drawn, the appropriate gap should be left at the flower type wiring, and the lines should be fine, symmetrical and accurate.

The film should be kept clean and the acid resistant photosensitive adhesive should be selected for rotten plate making.

The preparation of rotten pulp is sulfuric acid with a concentration of 98%.

The amount of sulphuric acid in each litre of burnt out pulp is about 20 ~ 60mL.

With potato starch, but not too thin, too thin can not reach the purpose of fixed rotten pulp in flower position.

Too thick slurry, poor penetration effect, difficult to scrape printing, affecting the integrity of the flower pattern.

It can also be used as white dextrin, which accounts for 12% to 20% of the pulp.

You can also use synthetic dragon glue, accounting for 2% to 4%.

After the printing is finished, steaming or baking can be used to carbonate the finished fabric. The carbonization process determines the carbonation time with the temperature of baking. When the drying begins, yellow spots on the gray cloth appear yellow, and as time goes on, the color gradually deepens to light brown and dark brown until dark brown.

It is hard to wash the residue of burnt out pulp when it appears dark brown.

In order to guarantee the quality and general temperature to grasp the light brown in the burnt out area, it is easy to wash away the residue of burnt out pulp.

It should be noted that the preparation of rotten flowers, the proportion of slurry and acid and the baking time have to undergo several tests until the most suitable time.

Rotten plates should be frequently washed in the process of scratching to prolong the service life.