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Cutting-stabbing-resistant material and preparation method thereof

An anti-cutting and anti-droplet technology, which is applied in the manufacturing of fire-retardant and flame-retardant filaments, rayon production, and single-component polyester rayon filaments, etc. The effect of improving polyester polymer and improving uniformity

Inactive Publication Date: 2020-04-17
上海民航职业技术学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a kind of anti-cut and puncture material and its preparation method. By adopting the method of copolymerization modification, by introducing phosphorus-containing functional groups on the main chain of polyester molecules, endow polyester with excellent flame retardant properties, and at the same time adopt raw In-situ polymerization method, using silicon-containing anti-dripping precursors through in-situ beating to prepare anti-dripping flame-retardant copolyesters, which solves the contradiction between flame-retardant and anti-dripping polyesters, especially the phosphorus-containing flame-retardant system. The problem of anti-melt drop is difficult, and it has broad prospects for application in home textile decoration, car interior and exterior decorative textiles, etc.

Method used

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  • Cutting-stabbing-resistant material and preparation method thereof
  • Cutting-stabbing-resistant material and preparation method thereof
  • Cutting-stabbing-resistant material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0042] The intrinsic viscosity of the anti-cut material is 0.65dL / g, and the melting point is 230°C; its preparation method is ethylene glycol, terephthalic acid, [(6-oxo-6H-dibenzo[c,e][ 1,2] oxaphosphorin-6-yl) methyl] succinic acid, tetraethyl orthosilicate as raw material, the specific steps are as follows:

[0043] (1) The preparation of the anti-droplet precursor, with tetraethyl orthosilicate and ethylene glycol as raw materials, anhydrous aluminum chloride as a catalyst, according to the molar ratio of tetraethyl orthosilicate and ethylene glycol is 1: 5.0, the amount of catalyst added is 0.1% of the mass of tetraethyl orthosilicate; under nitrogen protection, tetraethyl orthosilicate and ethylene glycol are used to carry out transesterification under the catalytic conditions of protonic acid, wherein the transesterification The temperature is 145-165°C, and the transesterification reaction time is 1.5-2.5 hours; the anti-dropping agent precursor is prepared;

[0044]...

Embodiment 2

[0057] The intrinsic viscosity of the anti-cut material is 0.80dL / g, and the melting point is 245°C; its preparation method is ethylene glycol, terephthalic acid, [(6-oxo-6H-dibenzo[c,e][ 1,2] oxaphosphorin-6-yl) methyl] succinic acid, tetraethyl orthosilicate as raw material, the specific steps are as follows:

[0058] (1) The preparation of the anti-droplet precursor, with tetraethyl orthosilicate and ethylene glycol as raw materials, anhydrous aluminum chloride as a catalyst, according to the molar ratio of tetraethyl orthosilicate and ethylene glycol is 1: 6.5, the amount of catalyst added is 0.5% of the mass of tetraethyl orthosilicate; under the protection of nitrogen, use tetraethyl orthosilicate and ethylene glycol to carry out transesterification reaction under the catalytic condition of protonic acid, wherein the transesterification reaction The temperature is 145-165°C, and the transesterification reaction time is 1.5-2.5 hours; the anti-dropping agent precursor is ...

Embodiment 3

[0067] The intrinsic viscosity of the anti-cut material is 0.680dL / g, and the melting point is 242°C; its preparation method is ethylene glycol, terephthalic acid, [(6-oxo-6H-dibenzo[c,e][ 1,2] oxaphosphorin-6-yl) methyl] succinic acid, tetraethyl orthosilicate as raw material, the specific steps are as follows:

[0068] (1) The preparation of the anti-droplet precursor, with tetraethyl orthosilicate and ethylene glycol as raw materials, anhydrous aluminum chloride as a catalyst, according to the molar ratio of tetraethyl orthosilicate and ethylene glycol is 1: 6.5, the amount of catalyst added is 0.25% of the mass of tetraethyl orthosilicate; under the protection of nitrogen, use tetraethyl orthosilicate and ethylene glycol to carry out transesterification reaction under the catalytic condition of protonic acid, wherein the transesterification reaction The temperature is 145-165°C, and the transesterification reaction time is 1.5-2.5 hours; the anti-dropping agent precursor i...

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Abstract

The invention provides a cutting-stabbing-resistant material and a preparation method of the cutting-stabbing-resistant material. The cutting-stabbing-resistant material has excellent flame retardantproperty, and no molten drops exist in the combustion process. The preparation method comprises the following steps: (1) preparing an anti-molten-drop precursor, namely, transesterification is carriedout on tetraethyl orthosilicate and ethylene glycol to obtain the anti-molten-drop precursor; (2) preparing a hydroxyl-terminated flame retardant, namely, esterification reaction is carried out on [(6-oxido-6H-dibenzo[c,e][1,2]oxaphosphorin-6-yl)methyl]butanedioic acid and ethylene glycol to prepare the hydroxyl-terminated flame retardant; (3) preparing an anti-molten-drop ester, namely, terephthalic acid, ethylene glycol and the anti-molten-drop precursor are mixed according to a ratio, pulping is carried out on the mixture, and pressurized esterification is carried out to obtain the anti-molten-drop ester; and (4) preparing an anti-molten-drop phosphorus-containing copolyester, namely, the hydroxyl-terminated flame retardant is added into the anti-molten-drop ester, and low-vacuum polycondensation and high-temperature high-vacuum polycondensation are carried out to obtain the cutting-stabbing-resistant material.

Description

technical field [0001] The invention relates to a cut-and-stab-resistant material and a preparation method thereof, which belong to the field of polyester multifunctional modification, in particular to the flame-retardant and anti-melt droplet modification of polyester flexible fabrics for cut-and-stab resistance, in particular to a cut and stab-resistant material and its preparation method. Background technique [0002] In recent years, with the frequent occurrence of violent conflicts, people's self-protection awareness has been greatly improved, and security protection has become a topic of increasing concern. With the rapid development of stab-proof clothing, more and more scientific researchers have devoted themselves to it. The existing anti-cut and puncture clothing is mainly modified from the fiber angle of the fabric, and is prepared by using high-strength and high-modulus polyethylene fiber or high-strength aramid fiber as raw materials, so as to obtain clothing w...

Claims

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Application Information

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IPC IPC(8): D01F6/92D01F1/07D01F1/10C08G63/695C08K3/36
CPCD01F6/92D01F1/07D01F1/10C08G63/6956C08K3/36C08K2201/011
Inventor 方淑英郑婷婷宋晟
Owner 上海民航职业技术学院