A method for wicker dipping and dyeing by microwave

Abstract

The invention discloses a microwave dip dyeing method for willow twigs. The microwave dip dyeing method comprises the following steps: firstly, stewing the willow twigs; secondly enabling the stewed willow twigs to be subjected to alkali-H2O2 one-bath boiling; finally, enabling the materials obtained in the second step to be subjected to pretreatment by a chitosan acid solution; components like xylogen in the willow twigs are degraded, so that the rigidity of the willow twig structures is reduced, and the willow twigs are prevented from cracking under the mechanical force action and a thermal action; chitosan is added to play a certain modifying effect on willow twig fibers, the dye fixation is higher; besides, an anti-cracking dyeing auxiliary is added into the dye, the dyeing power of the dye on the surfaces of the willow twigs is improved, a protective film is formed on the surfaces of the willow twigs, a continuous, flatted and smooth coloring film is formed, the dye can quickly immerse into the willow twig fibers by microwave treatment, and an everlasting and stable dyeing effect is achieved.

Description

technical field [0001] The invention relates to the technical field of wicker treatment, in particular to a microwave dipping and dyeing method for wicker. Background technique [0002] As a kind of green material, wicker has the characteristics of nature and environmental protection. It is often used to prepare various living utensils and handicrafts. It has a long history in our country. Artists come forth in large numbers and are passed down from generation to generation. Its weaving skills are superb and its artistic quality is unique. It has a strong flavor of folk culture. With the development of society and economy, consumers are increasingly interested in this kind of products full of natural flavor. Weaving industrial products have also become an important product for many traditional small towns to export foreign exchange and drive economic development. The traditional willow weaving production mode has gradually developed into The modern willow weaving industry, ...

AI Technical Summary

Problems solved by technology

[0003] Because the color of wicker itself is relatively single, it cannot meet the diverse needs of the market, and the wicker fiber itself is also prone to oxidative discoloration during use, which affects the appearance of the product. Therefore, effective dyeing of woven fabrics or woven materials Treatment is necessary to enhance the economic value of products and protect product performance

At present, most of the methods for dyeing plant fibers are traditional heating methods, which not only take a long time to process, but also have poor dyeing effects.

The document "The Effect of Microwave-Assisted Dyeing on the Dyeing Effect of Bamboo Slices" used 250W microwaves to treat bamboo slices in a dye solution with a pH value of 5.5 for 9 minutes and reached a color difference of 71.12%. It can be seen that microwaves can improve the dyeing of biomass tissues. The rate has a certain promotion effect, but the wicker fiber structure is different from that of bamboo chips. The wicker fiber structure is loose and easy to crack. It is necessary to formulate corresponding process steps to achieve good dyeing effect and surface properties.