Straw Crafts Protective Agent Preparation and Use

Straw hats, seat cushions, baskets, purses, and other straw woven straws made of wheat straw, corn husk, etc., are now the best-selling commodities in the domestic and foreign markets. In order to improve its gloss and prolong its service life, it can be soaked with a protective agent. The preparation and use of the protective agent are described below.

1, Formulation (by weight ratio): Based on 100 parts of distilled water, ammonium phosphate 20%, ammonium sulfate 10%, aluminum sulfate 5%, borax 4%, sodium folic acid 0.18%, ***** 0.036%.

2, production: use enamel pot, you can not use iron or aluminum containers, or affect the quality of protective agent. First put 3/5 volume of distilled water in the enamel reaction pot, according to the weight of distilled water, said a good proportion of the weight of various raw materials; heated to 50 °C distilled water, under constant temperature conditions, slowly adding folate, ** ***In addition to other raw materials, while slowly stirring, after 30 to 60 minutes, when the solution began to be transparent, then add sodium folic acid and *****, stirring does not stop; this time, the temperature can be Gradually reduce to 30 ~ 40 ~ C, after 30 minutes of constant temperature, it is slowly cooled, after standing for 24 hours, the pH of the solution is 8.4 ~ 8.7, the specific gravity of about 1.9; Finally, filter with qualitative filter paper or multi-layer gauze, The filtrate is a qualified protective agent finished product, which can be packed in glass bottles and sealed for use.

3, How to use: According to the size and size of the straw weaving process, the appropriate amount of protective agent is poured into the container, and the straw handicraft is soaked in the protective agent. After 15 minutes, the protective agent is evenly applied to the surface of the straw craftwork. That is to say, it can increase the gloss of the crystal surface of the straw and prolong the service life by 2-3 times.