Method for preparing flame-retardant composite stone paper

A stone paper, flame-retardant technology, applied in the field of papermaking, can solve the problems of poor flame retardancy and low heat resistance of stone paper, achieve the effects of desalinizing flammable gases, improving compatibility, and delaying combustion temperature

Active Publication Date: 2018-03-16
玉环墨痕机电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention: Aiming at the defect that the common stone paper itself contains resin and has low heat resistance, which leads to poor flame retardancy of stone paper, a preparation method of flame-retardant composite stone paper is provided

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0022]Weigh 30g of polypropylene and put it into a reaction kettle, melt it for 10min at a temperature of 180°C under the condition of nitrogen protection, add 7g of antimony trioxide and 8g of red phosphorus to the reaction kettle after melting, continue to keep warm and mix and stir for 35min, and the improved The modified self-made polypropylene melt is poured into a metal screen and filtered for 12 minutes. After removing the filter residue, under the action of the screw pressure of 0.3MPa, the above-mentioned modified self-made polypropylene melt is sprayed The holes are extruded and formed, naturally cooled to room temperature, and dried to obtain modified self-made polypropylene fibers; 16g of talcum powder is weighed and poured into a beaker with 10mL of 20% sodium hydroxide solution and 12g of sucrose at a temperature of Mix and stir at 30°C for 6 minutes to obtain a mixture, rinse the mixture 3 times with deionized water, place in an oven after rinsing, and dry at 45°...

example 2

[0024] Weigh 35g of polypropylene and put it into a reaction kettle, melt it for 11min at a temperature of 220°C under nitrogen protection conditions, add 8g of antimony trioxide and 9g of red phosphorus to the reaction kettle after melting, continue to keep warm and mix and stir for 40min, and the improved The modified self-made polypropylene melt is poured into a metal screen and filtered for 14 minutes. After removing the filter residue, under the action of the screw pressure of 0.4MPa, the above-mentioned modified self-made polypropylene melt is sprayed The holes are extruded and formed, naturally cooled to room temperature, and dried to obtain modified self-made polypropylene fibers; 18g of talcum powder is weighed and poured into a beaker with 11mL of 20% sodium hydroxide solution and 14g of sucrose at a temperature of Mix and stir at 35°C for 7 minutes to obtain a mixture, rinse the mixture with deionized water 4 times, place in an oven after rinsing, and dry at 50°C for...

example 3

[0026] Weigh 40g of polypropylene and put it into a reaction kettle, melt it for 12min at a temperature of 240°C under the condition of nitrogen protection, add 9g of antimony trioxide and 10g of red phosphorus to the reaction kettle after melting, continue to keep warm and mix and stir for 45min, and the improved The modified self-made polypropylene melt is poured into a metal screen and filtered for 16 minutes. After removing the filter residue, under the action of the screw pressure of 0.5MPa, the above-mentioned modified self-made polypropylene melt is sprayed The holes are extruded, cooled to room temperature naturally, and dried to obtain modified self-made polypropylene fibers; 20g of talcum powder is weighed and poured into a beaker with 12mL of 20% sodium hydroxide solution and 16g of sucrose at a temperature of Mix and stir at 40°C for 8 minutes to obtain a mixture, rinse the mixture 5 times with deionized water, put it in an oven after rinsing, and dry it at 55°C for...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention relates to the technical field of papermaking and in particular relates to a method for preparing flame-retardant composite stone paper. According to the method disclosed by the invention, polypropylene is modified to obtain polypropylene fibers first, talcum powder is modified by utilizing a titanate coupling agent TMC-201, then magnesium silicate in the talcum powder is heated to lose crystal water, and finally the flame-retardant aim is achieved. The titanate coupling agent TMC-201 has a flame-retardant pyrophosphate acyloxy group. A fireproof flame-retardant film is formed onthe surface of stone paper in the combustion process, so that the flame-retardant property of the stone paper is improved. Diatomite and bauxite are modified by utilizing the titanate coupling agent,so that the interface adhesive strength between the resin and inorganic particles is improved. Wollastonite and calcium carbonate are continuously added, and because the wollastonite and calcium carbonate have excellent heat stability and heat insulation property, propagation of heat is isolated, an excellent synergistic effect is achieved, and the flame-retardant effect is further achieved. Thecomposite stone paper has wide application prospects.

Description

technical field [0001] The invention relates to the technical field of papermaking, in particular to a method for preparing flame-retardant composite stone paper. Background technique [0002] With the increasing awareness of global low-carbon environmental protection, people are more and more committed to the research and development of green environmental protection materials. As a new type of environmentally friendly synthetic paper, stone paper has gradually received attention and development at home and abroad. [0003] The main raw materials of stone paper are a large amount of stone powder, a small amount of resin and some additives. These main raw materials can be made into stone paper through mixing, modification, granulation, extrusion and stretching and other processes. Stone paper is a new type of material between paper and plastic, which can replace some traditional functional paper, professional paper, and most of the traditional plastic packaging. It has exce...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/24C04B20/04C04B20/02C04B111/28
CPCC04B20/023C04B20/04C04B28/24C04B2111/285C04B22/002C04B24/32C04B14/043C04B14/28C04B16/0633C04B14/042C04B14/08C04B14/303
Inventor 龙海燕杨亚生张建初
Owner 玉环墨痕机电科技有限公司
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