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Flame-retardant fireproof coiled material and preparation method thereof

A technology of coiled materials and flame-retardant coatings, which is applied in the direction of fire protection, fire-resistant coatings, building components, etc., can solve the problems of large amount of additive flame retardants, reduced flame-retardant durability, and general flame-retardant performance, so as to meet the requirements of industrialization The effect of production requirements, low cost and simple operation

Inactive Publication Date: 2021-05-07
邓万菁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since this type of coil is a thermoplastic material, its characteristics determine that it will be deformed once it is heated, so it cannot be used any longer.
[0003] Chlorinated paraffin is a chlorinated derivative of paraffin. It has the advantages of low volatility, flame retardancy, good barrier property, and low price. It can be used as additives such as plasticizers and flame retardants. It has been widely used in flame retardant materials. Medium, but the amount of added flame retardant is relatively large, and the flame retardant performance is average
Added flame retardants tend to migrate out of the polymer network with extended use time, reducing the durability of flame retardancy

Method used

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  • Flame-retardant fireproof coiled material and preparation method thereof
  • Flame-retardant fireproof coiled material and preparation method thereof
  • Flame-retardant fireproof coiled material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0035] (1) Preparation of carboxyl-containing chlorinated paraffin 42: Dissolve 20 g of chlorinated paraffin 42 in 210 mL of acetone, stir to dissolve, add 20 g of p-hydroxybenzoic acid and 28 g of potassium carbonate, and react at 55° C. for 30 h under nitrogen protection. After the reaction, the pH was adjusted to 3.0 with hydrochloric acid, and then extracted with ethanol, and the product was vacuum-dried at 100° C. for 5 h to obtain carboxyl-containing chlorinated paraffin 42.

[0036] (2) Preparation of chlorinated paraffin 42 containing acid chloride: add 70mol carboxyl-containing chlorinated paraffin 42 to the reaction kettle, add dropwise 85mol phosphorus trichloride, stir and heat up to 70°C, react for 4h, cool to room temperature, and stand to separate Layer to obtain chlorinated paraffin 42 containing acid chloride.

[0037] (3) Preparation of chlorinated paraffin 42 modified dibasic acid: add 50mol2,5-dihydroxyterephthalic acid and an appropriate amount of acid-bin...

Embodiment 2

[0041] (1) Preparation of carboxyl-containing chlorinated paraffin 52: Dissolve 20 g of chlorinated paraffin 52 in 220 mL of acetone, stir to dissolve, add 20 g of p-hydroxybenzoic acid and 29 g of potassium carbonate, and react at 80° C. for 10 h under nitrogen protection. After the reaction, the pH was adjusted to 3.0 with hydrochloric acid, and then extracted with ethanol. The product was vacuum-dried at 100° C. for 5 h to obtain carboxyl-containing chlorinated paraffin 52.

[0042] (2) Preparation of chlorinated paraffin 52 containing acid chloride: add 70 mol of chlorinated paraffin 52 containing carboxyl to the reaction kettle, dropwise add 85 mol of phosphorus trichloride, stir and heat up to 50°C, react for 6 hours, cool to room temperature, let stand to separate layer to obtain the chlorinated paraffin 52 containing the acid chloride.

[0043] (3) Preparation of chlorinated paraffin 52 modified dibasic acid: add 50mol2,5-dihydroxyterephthalic acid and an appropriate a...

Embodiment 3

[0047] (1) Preparation of carboxyl-containing chlorinated paraffin 70: Dissolve 20 g of chlorinated paraffin 70 in 200 mL of acetone, stir to dissolve, add 20 g of p-hydroxybenzoic acid and 30 g of potassium carbonate, and react at 65° C. for 24 h under nitrogen protection. After the reaction, the pH was adjusted to 3.0 with hydrochloric acid, and then extracted with ethanol, and the product was vacuum-dried at 100°C for 5 hours to obtain carboxyl-containing chlorinated paraffin 70.

[0048] (2) Preparation of chlorinated paraffin 70 containing acid chloride: add 70mol carboxyl-containing chlorinated paraffin 70 to the reaction kettle, add dropwise 85mol phosphorus trichloride, stir and heat up to 60°C, react for 5h, cool to room temperature, and stand to separate layer to obtain chlorinated paraffin 70 containing acid chloride.

[0049] (3) Preparation of chlorinated paraffin 70 modified dibasic acid: add 50mol2,5-dihydroxyterephthalic acid and an appropriate amount of acid-b...

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Abstract

The invention discloses a flame-retardant fireproof coiled material, the flame-retardant fireproof coiled material is composed of a flame-retardant surface layer and a chopped fiber layer, the flame-retardant surface layer and the chopped fiber layer are bonded and cured by a flame-retardant coating to form the flame-retardant fireproof coiled material, the flame-retardant coating comprises chlorinated paraffin modified polyamide, and a preparation method of the polyamide comprises the following steps: carrying out a reaction on chlorinated paraffin and p-hydroxybenzoic acid to prepare carboxyl-containing chlorinated paraffin; carrying out acylation on carboxyl-containing chlorinated paraffin, carrying out esterification reaction on the acylated carboxyl-containing chlorinated paraffin and 2, 5-dyhydroxy terephthalic acid to prepare chlorinated paraffin modified binary acid, carrying out acylation on the acylated binary acid and then carrying out reaction on the acylated binary acid and 1, 5-pentanediamine to prepare the chlorinated paraffin modified polyamide. The preparation method has the advantages of simple operation, wide raw material source, mild reaction conditions and industrial production meeting, and the prepared flame-retardant coiled material has good mechanical properties, flame retardance and heat resistance, and has a wide application prospect.

Description

technical field [0001] The invention relates to a flame-retardant and fireproof coiled material and a preparation method thereof, belonging to the technical field of polymer materials and coiled materials. Background technique [0002] With the continuous advancement of science and technology, more and more attention has been paid to the flame retardancy of materials. The existing flame-retardant coverings for floors, walls, and desktops are mainly flame-retardant coatings and thermoplastic flame-retardant coils for on-site construction. Among them, although flame-retardant coatings have excellent flame-retardant properties, their adhesion and integrity are poor, and they are prone to peeling and peeling. For places with high frequency of use, such as the ground and desktop workbenches, their lifespan is short and their durability is poor. , and the flame-retardant coatings constructed on site have environmental pollution problems such as solvent volatilization and strong od...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/02C09D5/18C09D7/61C08G59/44E04B1/94
CPCC08G59/44C08K2003/2227C09D5/18C09D163/00C09D7/61C09D7/70E04B1/94C08K3/2279C08K3/22C08K7/14
Inventor 邓万菁
Owner 邓万菁
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