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Inorfil softening intensifier and preparation thereof

An inorganic fiber and reinforcing agent technology is applied in the field of inorganic fiber softening and reinforcing agent and its preparation. Strength, the effect of enhancing the binding force

Inactive Publication Date: 2009-08-12
鹤壁洁联新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, inorganic mineral fibers are brittle, strong, and short in fiber. After beating and dispersing in the pulping process, they are more likely to break during transportation, and it is difficult to combine with plant fibers. Excessive use will reduce the strength of paper, so it is limited. its widespread use

Method used

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  • Inorfil softening intensifier and preparation thereof
  • Inorfil softening intensifier and preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] 1) Adjustment of molecular weight of polyvinyl alcohol

[0016] First, dissolve polyvinyl alcohol 1788 and water at a mass ratio of 1:10 at 85-90°C to obtain a polyvinyl alcohol solution, and then press H in the polyvinyl alcohol solution 2 o 2 The mass ratio of polyvinyl alcohol 1788 is 1:130 by adding H 2 o 2 , then add H to the mixture 2 o 2 Potassium hydroxide with a mass of 4% was reacted at a temperature of 50° C. for 4 hours;

[0017] 2) Etherification of polyvinyl alcohol

[0018] Take the polyvinyl alcohol treated in step 1) and mix the etherification agent 3-chloro-2-hydroxypropyl-3-methylammonium chloride at a mass ratio of 1:0.4, react at 70°C for 4h, and adjust the pH= 7-8 to obtain an inorganic fiber softening enhancer.

Embodiment 2

[0020] 1) Adjustment of molecular weight of polyvinyl alcohol

[0021] First, dissolve polyvinyl alcohol 1792 and water at a mass ratio of 1:8 at 85-90°C to obtain a polyvinyl alcohol solution, and then press H in the polyvinyl alcohol solution 2 o 2 The mass ratio of polyvinyl alcohol 1792 is 1:110 by adding H 2 o 2 , then add H to the mixture 2 o 2 Potassium hydroxide with a mass of 2% was reacted at a temperature of 55° C. for 3 hours;

[0022] 2) Etherification of polyvinyl alcohol

[0023] Take the polyvinyl alcohol treated in step 1) and mix the etherification agent glycidyltriethylammonium chloride at a mass ratio of 1:0.1, react at 50°C for 8 hours, and adjust the pH=7 to 8 to obtain softened inorganic fibers enhancer.

Embodiment 3

[0025] 1) Adjustment of molecular weight of polyvinyl alcohol

[0026] First, dissolve polyvinyl alcohol 1799 and water at a mass ratio of 1:12 at 85-90°C to obtain a polyvinyl alcohol solution, and then press H in the polyvinyl alcohol solution 2 o 2 The mass ratio of polyvinyl alcohol 1799 is 1:150 by adding H 2 o 2 , then add H to the mixture 2 o 2 Potassium hydroxide with a mass of 5% was reacted at a temperature of 60° C. for 2 hours;

[0027] 2) Etherification of polyvinyl alcohol

[0028] Take the polyvinyl alcohol treated in step 1) and mix the etherification agent 3-chloro-2-hydroxypropyl-3-methylammonium chloride at a mass ratio of 1:0.6, react at 65°C for 5h, and adjust the pH= 7-8 to obtain an inorganic fiber softening enhancer.

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Abstract

The invention relates to an inorganic fiber softening reinforcing agent and a preparation method thereof. The method is to lead H2O2, polyvinyl alcohol and potassium hydroxide to react for 2 to 4 hours at a temperature between 50 and 60 DEG C, adds an etherifying agent after the reaction to react for 4 to 8 hours at a temperature between 50 and 70 DEG C, and regulates the pH value of the solution to 7 to 8 so as to obtain the inorganic fiber softening reinforcing agent. The softening reinforcing agent is applicable to various inorganic fiber materials produced by physical or hot melt method, including basalt fibers, aedelforsite fibers, meerschaum fibers, gypsum fibers, flyash fibers and glass fibers. The softening reinforcing agent can improve the softness and strength of inorganic fibers, improve the defect of easy fracture of the inorganic fibers in processes of pulping, dispersing and transporting, change the charge property of the inorganic fiber surface, reinforce the bonding force of the inorganic fibers and plant fibers, and greatly improve application performance of the inorganic fibers in making paper, insulating wool boards and the like by wet method.

Description

technical field [0001] The invention belongs to the field of chemical industry, and in particular relates to an inorganic fiber softening enhancer and a preparation method thereof. Background technique [0002] With the development of my country's economy and the improvement of people's living standards, the demand for various papers is also increasing day by day. The leading raw material for papermaking in the world is wood, and my country is a country with a serious shortage of wood, so a large amount of wood pulp is imported every year to alleviate the contradiction between supply and demand. This situation forces people to seek and develop new papermaking raw materials. Inorganic mineral fiber is a new type of papermaking material between short plant fibers and traditional fillers (calcium carbonate, talcum powder), which includes various inorganic fiber materials produced by physical treatment or hot-melt methods, such as basalt fiber, Wollastonite fiber, fly ash fiber...

Claims

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Application Information

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IPC IPC(8): C03C25/28C04B20/10C04B14/38D21H13/36
Inventor 陈均志苏芳
Owner 鹤壁洁联新材料科技有限公司
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