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High-filling bentonite foaming stone paper and preparation method thereof

A technology of bentonite and stone paper, which is applied in the field of light industrial papermaking, can solve the problems of reducing the environmental protection characteristics of stone paper, increasing the production process, and increasing the cost of raw materials, so as to achieve the effects of improving environmental protection characteristics, simplifying the production process, and reducing the cost of raw materials

Inactive Publication Date: 2014-06-25
宋旭
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, the use of foaming agent increases the raw material cost of the product and increases the production process. On the other hand, the introduction of various chemical raw materials reduces the environmental protection characteristics of stone paper and limits its application in food, hygiene and other fields.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A high-filling bentonite foamed stone paper and a preparation method thereof, the components mixed in parts by mass contained in the stone paper and the preparation process are as follows:

[0040] Add 75 parts by mass of 1000-mesh bentonite into a high-speed mixer and heat to 90° C. and stir for 30 minutes to remove the adsorbed water in the bentonite to obtain a expandable bentonite inorganic filler containing partially bound water. The above-mentioned expandable bentonite inorganic filler, 0.6 parts by mass of sodium pyrophosphate, 1 part by mass of isopropyl dioleic acid acyloxy (dioctyl phosphate acyloxy) titanate, 0.5 parts by mass of stearic acid Sodium, 0.2 parts by mass of tris(2,4-tert-butylphenyl) phosphite, and 0.2 parts by mass of sorbitol were heated and mixed in a high-speed mixer for 1.5 hours to prepare a surface-activated modified foamable bentonite inorganic filler. Mix the modified expandable bentonite inorganic filler with 20 parts by mass of low-d...

Embodiment 2

[0042] A high-filling bentonite foamed stone paper and a preparation method thereof, the components mixed in parts by mass contained in the stone paper and the preparation process are as follows:

[0043] Add 75 parts by mass of 800-mesh bentonite into a high-speed mixer, heat to 120° C. and stir for 15 minutes to remove adsorbed water in the bentonite, and obtain a expandable bentonite inorganic filler containing partially bound water. The above-mentioned expandable bentonite inorganic filler was mixed with 0.8 parts by mass of sodium polyacrylate, 1.5 parts by mass of γ-aminopropyltriethoxysilane, 1 part by mass of oleic acid amide, 0.1 parts by mass of 1,1,3- Tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane and 0.3 parts by mass of ethanolamide were heated and mixed in a high-speed mixer for 1 hour to prepare a surface-activated modified expandable bentonite inorganic filler. Mix the modified expandable bentonite inorganic filler with 5 parts by mass of high-density polyet...

Embodiment 3

[0045] A high-filling bentonite foamed stone paper and a preparation method thereof, the components mixed in parts by mass contained in the stone paper and the preparation process are as follows:

[0046]Add 85 parts by mass of 1500-mesh bentonite into a high-speed mixer and heat to 140° C. and stir for 10 minutes to remove adsorbed water in the bentonite to obtain a expandable bentonite inorganic filler containing partially bound water. The above-mentioned expandable bentonite inorganic filler and 0.5 parts by mass of octadecyltrimethylammonium chloride, 1.8 parts by mass of distearoyl isopropoxy aluminate, 1 part by mass of PP wax, 0.1 parts by mass Parts by mass of tris(nonylphenyl)phosphite and 0.3 parts by mass of N,N-hexadecylethylmorpholine ethyl sulfate were heated and mixed in a high-speed mixer for 2 hours to prepare surface-activated modified Expandable bentonite inorganic filler. Mix the modified expandable bentonite inorganic filler with 5 parts by mass of isotac...

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Abstract

The invention relates to high-filling bentonite foaming stone paper and a preparation method thereof. The stone paper comprises the following constituents mixed in parts by weight: 75-85 parts of bentonite, 15-25 parts of polymer resin, 0.5-1 part of surfactant, 0.5-2 parts of coupler, 0.5-1 part of lubricant, 0.1-0.2 parts of antioxidant and 0.2-0.5 parts of antistatic agent. The preparation process for the stone paper comprises the following steps: modifying bentonite; compounding modified bentonite with resin and auxiliaries; processing and forming composite particles. The preparation method for the high-filling bentonite foaming stone paper disclosed by the invention gives a foaming function to the system by virtue of the bound water of bentonite while increasing a filling amount, and can be used by replacing a chemical foamer, thus reducing the raw material cost, improving the environment-friendly characteristic of the stone paper, and giving the functions of silencing and reducing noise, adsorbing impurities and purifying air to the stone paper simultaneously.

Description

technical field [0001] The invention belongs to the technical field of light industry papermaking, in particular to a highly filled bentonite foamed stone paper and a preparation method thereof. Background technique [0002] At present, stone paper is an environmentally friendly product made of inorganic minerals as the main raw material, which is modified by physical and chemical methods and compounded with polymers. It has the characteristics of low price and simple production process. Compared with traditional papermaking, stone paper uses natural minerals as raw materials, does not need to cut down wood, protects a large number of vegetation resources, and indirectly enhances the purification ability of the atmosphere. At the same time, compared with the traditional paper industry, the production process of stone paper does not require cooking and separating fibers, washing, bleaching and other processes, so it does not need to use chemical raw materials such as strong a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/08C08L101/02C08L23/12C08K9/06C08K9/04C08K9/00C08K3/34C08J9/12
CPCC08K9/04C08J9/125C08J2323/06C08J2323/08C08J2323/12C08K3/346C08K9/00C08K9/06C08K2201/003C08K2201/017C08L23/06C08L23/12C08L2207/066C08L23/0815C08L101/02
Inventor 宋旭曹东旭梁栋闫成云华林林杨洋
Owner 宋旭
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