CN104527296A - Method for bleaching handicrafts made by Chinese walnut shell - Google Patents

Abstract

The invention discloses a method for bleaching handicrafts made by Chinese walnut shell, which comprises the following steps: immersing the cleaned Chinese walnut shell in a NaClO solution with concentration of 0.4-0.8%, immersing for 1-3 hours at temperature of 25-60 DEG C; then flushing by clear water until no reagent is residual; completely immersing in a H2O2 solution with concentration of 10-30%, immersing for 6-24 hours at 25-60 DEG C; using clear water for flushing until no reagent is residual; and placing for 2-3 days until no reagent smell is residual. According to the invention, NaClO and H2O2 are used for immersing, deep yellow and dark brown of the Chinese walnut shell are completely removed to become white, by processing the handicrafts with various brilliant colors, the artwork grade of the handicrafts made by Chinese walnut shell is increased, economic value is increased, and the market exploitation potential is great.

Description

To the method that Chinese walnut shuck handicrafts is bleached

Technical field

The present invention relates to a kind of method for bleaching, specifically to the method that Chinese walnut shell craft articles is bleached, belong to field of artware.

Background technology

Chinese walnut (Juglans cathayensis Dode), have another name called hickory nut, belong to Juglandaceae Juglans, seed oil-containing can reach 34%, edible, also can make soap, lubrication wet goods, have certain economic worth.Because people worship the thing that walnut is luckiness, it is the symbol of safety happiness of the whole family, therefore the handicraft made for raw material with Chinese walnut shell in recent years gets more and more, pattern is also more and more exquisite, common are Chinese walnut hand string, Chinese walnut suspension member and Chinese walnut goods of furniture for display rather than for use etc., liking of people is subject to gradually with the series of handicraft articles that Chinese walnut shell makes, and very worthy.Chinese walnut shell is generally buff, and what have is dark-brown, and usually by male population is liked, female group then more likes the Chinese walnut handicraft of white or colour.Because Chinese walnut shell color is comparatively dark very difficult painted again, white or colored Chinese walnut handicraft market almost do not have.The processing of current Chinese walnut handicraft is mainly for its profile, except making Chinese walnut hand string, Chinese walnut suspension member etc. play, exactly splicing making is carried out to it and become relatively large Chinese walnut goods of furniture for display rather than for use etc., but the common defects of these goods have ignored to process its color, so significantly limit the potential economic worth of Chinese walnut handicraft, and the economic worth of Chinese walnut handicraft still has very large development space.The main cause of this present situation is caused to be lack the technology of bleaching Chinese walnut shell at present, because bleaching Chinese walnut shell is carry out the prerequisite of painted processing and basis.And yet there are no about bleaching Chinese walnut handicraft and the report of painted processing.

Summary of the invention

The object of the invention is to fill up and bleaching and painted technology are lacked to Chinese walnut handicraft, and disclose a kind of method that Chinese walnut shuck handicrafts is bleached

For achieving the above object, the present invention adopts following technical method:

Immerse in 0.4 ~ 0.8%NaClO solution by the Chinese walnut cleaned up, temperature 25 ~ 60 DEG C is soaked 1 ~ 3 hour; Then with clear water, the Chinese walnut after immersion is rinsed to remaining without reagent; Again the Chinese walnut after flushing is immersed 10 ~ 30%H completely ₂o ₂in solution, temperature 25 ~ 60 DEG C invades bubble 6 ~ 24 hours; Again with clear water, the Chinese walnut after immersion is rinsed to remaining without reagent; Chinese walnut after rinsing is dried, places 2 ~ 3 days tastes to the reagent that leaves.

The present invention utilizes NaClO and H ₂o ₂soak, buff or the dark brown of having taken off Chinese walnut shell completely become white, and then are processed into various bright Chinese walnut handicraft, and not only increase the artistic grade of Chinese walnut handicraft, and add economic worth, market development potential is very big.

Accompanying drawing explanation

Accompanying drawing be utilize the present invention to Chinese walnut shell carry out before and after bleaching to photograph and picture.

In figure, A is unbleached Chinese walnut, and B uses 0.8%NaClO solution 25 DEG C to soak the Chinese walnut after 2 hours, and C uses 30%H for continuing ₂o ₂solution 25 DEG C soaks the Chinese walnut after 6 hours.

Detailed description of the invention

Below in conjunction with embodiment and accompanying drawing, technical scheme of the present invention is described in further detail:

A. Chinese walnut is cleaned, select the intact Chinese walnut of shell as raw material;

B. immerse in 0.8%NaClO solution by Chinese walnut intact for shell, temperature 25 DEG C is soaked 2 hours;

C. then rinse the Chinese walnut after immersion to remaining without reagent with clear water, its color of shell is shallow white;

D. again the Chinese walnut after flushing is immersed 30%H completely ₂o ₂in, temperature 25 DEG C is soaked 6 hours, and its color of shell decolours substantially becomes white;

E. again with clear water, the Chinese walnut after immersion is rinsed to remaining without reagent;

F. the Chinese walnut after flushing is dried, place the 2-3 days tastes to the reagent that leaves, obtain the Chinese walnut of white;

G. last Chinese walnut to be holed, be made into the Chinese walnut such as bangle or suspension member handicraft, and carry out painted as required, make the colored Chinese walnut handicraft of various fineness.

Claims (2)

1. pair method that Chinese walnut shuck handicrafts is bleached, it is characterized in that adopting following technical method to realize: immerse in 0.4 ~ 0.8%NaClO solution by the Chinese walnut cleaned up, temperature 25 ~ 60 DEG C is soaked 1 ~ 3 hour; Then with clear water, the Chinese walnut after immersion is rinsed to remaining without reagent; Again the Chinese walnut after flushing is immersed 10 ~ 30%H completely ₂o ₂in solution, temperature 25 ~ 60 DEG C invades bubble 6 ~ 24 hours; Again with clear water, the Chinese walnut after immersion is rinsed to remaining without reagent; Chinese walnut after rinsing is dried, places 2 ~ 3 days tastes to the reagent that leaves.

2. the method for bleaching Chinese walnut shuck handicrafts belonging to claim 1, it is characterized in that adopting following technical method to realize:

A. Chinese walnut is cleaned, select the intact Chinese walnut of shell as raw material;

B. immerse in 0.8%NaClO solution by Chinese walnut intact for shell, temperature 25 DEG C is soaked 2 hours;

C. then rinse the Chinese walnut after immersion to remaining without reagent with clear water, its color of shell is shallow white;

D. again the Chinese walnut after flushing is immersed 30%H completely ₂o ₂in, temperature 25 DEG C is soaked 6 hours, and its color of shell decolours substantially becomes white;

E. again with clear water, the Chinese walnut after immersion is rinsed to remaining without reagent;

F. the Chinese walnut after flushing is dried, place the 2-3 days tastes to the reagent that leaves, obtain the Chinese walnut of white;

G. last Chinese walnut to be holed, be made into the Chinese walnut such as bangle or suspension member handicraft, and carry out painted as required, make the colored Chinese walnut handicraft of various fineness.