Mulberry silk flame retardant agent

Abstract

The invention relates to a mulberry silk flame retardant agent. The innovation point is that the flame retardant agent is composed of the following ingredients: dibromoneopentylene glycol DBNPG, dibromoneopentyl glycol phosphate ester cyanamide salt, polyhydroxyl organophosphorus oligomer HFPO and 1,2,3,4-butanetetracarboxylic acid BTCA. The mass ratio of the above ingredients in the flame retardant agent is 2:3:3:1. By the technical scheme, BTCA in the flame retardant agent is connected with a hydroxyl group on silk fiber through simple ester bond, and BTCA can be directly connected with silk and HFPO or a BTCA-HFPO-BTCA bond can be connected between two silk protein molecules. After finishing with BTCA and HFPO, silk shows high-efficiency flame retardancy. In addition, the flame retardant agent provided by the invention is nontoxic and has no adverse effect on the environment. By a mulberry silk flame-proof treatment method, the above flame retardant agent can be effectively utilized, and mulberry silk treated by the use of the flame retardant agent has excellent flame retardancy property and still maintains original silk quality. Besides, flame-proof treatment cost is the most economic and rational.

Description

technical field [0001] The invention relates to a flame retardant auxiliary agent, in particular to a silkworm silk flame retardant auxiliary agent. Background technique [0002] Mulberry silk is gorgeous in appearance, has the advantages of soft luster, not easy to absorb light, static electricity, and convenient dyeing. It is a high-grade textile and is widely used in clothing and decorative fabrics. HCN gas has a more toxic effect than cellulose fibers, so its flame-retardant finishing has also received great attention. However, due to the low output of mulberry silk in developed countries, the depth of research on flame-retardant finishing of real silk is far less than that of cellulose fibers and synthetics. There are few reports on flame retardant finishing in the research of fabrics such as fiber and wool. [0003] The initial flame-retardant finishing of silk fabrics in foreign countries is to immerse silk in stannic acid solution or borax-boric acid mixture...

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Problems solved by technology

[0005] Japan, the United States, etc. use inorganic salts, quaternary ammonium salts or organic phosphorus compounds, halogen-containing organic substances, etc. to process silk fabrics by rolling, drying, and baking. Flame retardants and inorganic salt flame retardants commonly used on wool are not suitable for flame-retardant finishing of silk fabrics, because these flame retardants either make silk fabrics yellow and hard, or have insignificant flame-retardant effects.

[0006] After repeated screening, brominated bisphenol A derivatives are more suitable for flame-retardant finishing of silk fabrics, but brominated bisphenol A alone is used for flame-retardant finishing, and the washing durability is not good, and after treatment with inorganic salt flame retardants, the resistance to washing is not good. Washability is significantly improved, but dioxin, the product of the decomposition of brominated flame retardants, is toxic. Therefore, it is urgent to develop a fire-retardant additive for silkworm silk with superior performance. After searching, it is found that the same or similar to the present invention Technical solutions

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