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Reactive flame retardant and method for durable flame-proof treatment on protein fibers by using reactive flame retardant

A protein fiber, durable flame-retardant technology, applied in the direction of flame-retardant fiber, fiber treatment, animal fiber, etc., can solve the problems of poor washability and safety, and achieve good washability, excellent flame retardancy, Solve the effect of poor washability

Active Publication Date: 2019-02-19
NANTONG TEXTILE & SILK IND TECH RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above-mentioned technical problems, in order to solve the problems of poor washability and safety when existing flame retardants are applied to protein fiber products, the purpose of the present invention is to provide reactive phosphorus-containing flame retardants based on phytic acid and A method for preparing flame-retardant protein fibers, using natural phytic acid, polyols and polycarboxylic acids as raw materials to prepare reactive flame retardants, and applying them to the flame-retardant finishing of protein fibers

Method used

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  • Reactive flame retardant and method for durable flame-proof treatment on protein fibers by using reactive flame retardant
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  • Reactive flame retardant and method for durable flame-proof treatment on protein fibers by using reactive flame retardant

Examples

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Effect test

Embodiment 1

[0029] (1) Preparation of reactive flame retardant based on phytic acid: mix 6.6g phytic acid (70% aqueous solution, 0.007mol) and 2.72g (0.02mol) pentaerythritol in a 250mL Erlenmeyer flask and react at 120°C for 3h A light yellow viscous liquid pentaerythritol phytate was obtained. Add 4.68 g (0.02 mol) of butane tetracarboxylic acid to the mixture, and continue the reaction for 45 minutes to obtain the reactive flame retardant pentaerythritol phytate butane tetracarboxylate.

[0030] (2) Preparation of flame retardant silk fabric: the above flame retardant was dissolved in 100 mL of distilled water to prepare a finishing solution with a flame retardant concentration of 0.07 mol / L. Soak the silk fabric in the finishing solution for 10 minutes, then dip and roll twice, and the excess rate is 90%, then dry the silk fabric at 60°C for 8 minutes, then bake it at 150°C for 4 minutes, wash it with water and dry it.

[0031] The infrared spectrum of the reactive flame retardant pe...

Embodiment 2

[0033] (1) Preparation of reactive flame retardant based on phytic acid: Mix 6.6g phytic acid (70% aqueous solution, 0.007mol) and 2.72g (0.02mol) pentaerythritol in a 250mL Erlenmeyer flask and react at 130°C for 2h A light yellow viscous liquid pentaerythritol phytate was obtained. Add 4.68 g (0.02 mol) of butane tetracarboxylic acid to the mixture, and continue the reaction for 30 minutes to obtain the reactive flame retardant pentaerythritol phytate butane tetracarboxylate.

[0034] (2) Preparation of flame retardant silk fabric: the above flame retardant was dissolved in 50 mL of distilled water to prepare a finishing solution with a flame retardant concentration of 0.14 mol / L. Immerse the silk fabric in the finishing solution for 10 minutes, then dip and roll twice, the excess rate is 100%, then dry the silk fabric at 80°C for 4 minutes, then bake at 160°C for 2 minutes, wash with water and dry.

Embodiment 3

[0036] (1) Preparation of reactive flame retardant based on phytic acid: mix 6.6g phytic acid (70% aqueous solution, 0.007mol) and 2.72g (0.02mol) pentaerythritol in a 250mL Erlenmeyer flask and react at 120°C for 3h A light yellow viscous liquid pentaerythritol phytate was obtained. 4.80 g (0.025 mol) of citric acid was added to the mixture, and the reaction was continued for 45 min to obtain the reactive flame retardant pentaerythritol phytate citrate.

[0037](2) Preparation of flame retardant silk fabric: the above flame retardant was dissolved in 50 mL of distilled water to prepare a finishing solution with a flame retardant concentration of 0.14 mol / L. Soak the silk fabric in the finishing solution for 10 minutes, then dip and roll twice, and the excess rate is 100%, then dry the silk fabric at 80°C for 5 minutes, then bake it at 160°C for 2 minutes, wash with water and dry.

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Abstract

The invention discloses a reactive flame retardant and a method for durable flame-proof treatment on protein fibers by using the reactive flame retardant, and belongs to the technical field of functional treatment of textile. The reactive phosphorus-containing flame retardant is prepared from phytic acid, polyhydric alcohols such as pentaerythritol and polybasic carboxylic acids such as 1,2,3,4-butane tetracarboxylic acid through esterification reaction. The phosphorus content of the flame retardant is high, molecules contain a plurality of reactive groups, the reaction activity is high, the reactive flame retardant can be crosslinked with the protein fibers during baking at a high temperature, and an additional crosslinking agent is not required. The phytic acid for synthesis of the flameretardant is a plant extract, and the obtained flame retardant is environmentally friendly. The protein fibers treated by the flame retardant not only has excellent flame-retardance performance, butalso has good washability, and the problem that protein fibers which are treated by the phytic acid only is poor in washability is solved.

Description

technical field [0001] The invention relates to a reactive flame retardant and a method for durable flame-retardant finishing of protein fibers, belonging to the technical field of textile functional finishing. Background technique [0002] Textiles are used in all aspects of daily life and have become an integral part of human life. Among them, natural protein fiber occupies an important position. However, most textiles, including protein fibers, are flammable textiles, and the burning of textiles will cause serious damage to the safety of human life and property. Therefore, relevant researchers have developed many flame retardants to reduce the flammability of textiles, thereby reducing the risk of fire. [0003] With the development of science and technology and the enhancement of self-protection and environmental protection awareness, people's demand for ecological textiles is increasing, and more and more attention is paid to the development of green and environmental...

Claims

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Application Information

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IPC IPC(8): D06M13/292D06M101/10
CPCD06M13/292D06M2101/10D06M2200/30
Inventor 唐人成程献伟杨旭红关晋平
Owner NANTONG TEXTILE & SILK IND TECH RES INST
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