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Heat-resistant waterproof hard paper and preparing method thereof

A steel paper, heat-resistant technology, applied in the field of papermaking, can solve the problems of improving heat and water resistance, achieve good interlayer peel strength and tensile strength, improve water absorption, and increase the effect of load rate

Active Publication Date: 2019-02-19
杭州特种纸业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the heat and water resistance of the steel paper needs to be improved

Method used

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  • Heat-resistant waterproof hard paper and preparing method thereof

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Embodiment 1

[0025] A heat-resistant and water-resistant steel paper, comprising the following components by weight: 130 parts of modified wood pulp with a solid content of 30 wt%, 25 parts of cotton pulp with a solid content of 30 wt%, 7 parts of modified kapok fiber, heat-resistant enhanced 15 parts of water-resistant enhancer, 7 parts of carboxymethyl cellulose, 9 parts of silica airgel, 350 parts of zinc chloride solution with a concentration of 12 wt%, modified trimethylolpropane triglycidyl ether 1.5 parts, 1.5 parts of sodium oleate.

[0026] The modified wood pulp is wood pulp modified by grafting trifluoromethyl trimethyl silane, and its preparation method is: adding hydrolyzed trifluoromethyl trimethyl silane to the wood pulp, mixing evenly, three The mass-volume ratio of fluoromethyltrimethylsilane to wood pulp is 2.5g / 50mL, fully reacted at 75°C for 24 hours under stirring conditions, to obtain trifluoromethyltrimethylsilane graft-modified wood pulp.

[0027] The modified trim...

Embodiment 2

[0037] A heat-resistant and water-resistant steel paper, comprising the following components by weight: 120 parts of modified wood pulp with a solid content of 35 wt%, 20 parts of cotton pulp with a solid content of 35 wt%, 6 parts of modified kapok fiber, heat-resistant enhanced 20 parts of water resistance enhancer, 6 parts of carboxymethyl cellulose, 8 parts of silica airgel, 400 parts of zinc chloride solution with a concentration of 8.4wt%, modified trimethylolpropane triglycidol 1 part of ether, 1 part of carboxylate.

[0038] The modified wood pulp is wood pulp grafted and modified by trifluoropropylmethylcyclotrisiloxane, and its preparation method is: adding hydrolyzed trifluoropropylmethylcyclotrisiloxane to the wood pulp, Mix evenly, the mass volume ratio of trifluoropropylmethylcyclotrisiloxane to wood pulp is 2g / 50mL, and fully react for 36h under the condition of stirring at 60°C to obtain trifluoropropylmethylcyclotrisiloxane grafted Modified wood pulp.

[003...

Embodiment 3

[0049] A heat-resistant and water-resistant steel paper, comprising the following components by weight: 120 parts of modified wood pulp with a solid content of 25 wt%, 20 parts of cotton pulp with a solid content of 25 wt%, 8 parts of modified kapok fiber, heat-resistant enhanced 10 parts of water-resistant enhancer, 8 parts of carboxymethyl cellulose, 10 parts of silica airgel, 300 parts of zinc chloride solution with a concentration of 20 wt%, modified trimethylolpropane triglycidyl ether 2 parts, 2 parts of sulfonate.

[0050] The modified wood pulp is wood pulp modified by grafting tridecafluorooctyltrimethoxysilane, and the preparation method is as follows: adding hydrolyzed tridecafluorooctyltrimethoxysilane into the wood pulp, mixing evenly, and The mass-volume ratio of trifluorooctyltrimethoxysilane to wood pulp is 3g / 50mL, and fully reacted at 85°C for 12h under stirring conditions to obtain trifluorooctyltrimethoxysilane graft-modified wood pulp.

[0051] The modifi...

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Abstract

The invention relates to the technical field of papermaking, and discloses heat-resistant waterproof hard paper and a preparing method thereof for solving the problem that existing hard paper is poorin heat resistance and waterproofness. The heat-resistant waterproof hard paper comprises modified wood pulp, cotton pulp, modified wood cotton fiber, a heat-resistant enhancer, a waterproof enhancer,carboxymethyl cellulose, silicon dioxide aerogel, swelling gel liquid, modified trimethylolpropane triglycidyl ether and a surfactant. The adhesion of fiber is increased through the modified wood cotton fiber, silicon dioxide aerogel and modified trimethylolpropane triglycidyl ether, the heat resistance of body paper is improved through phenolic fiber, polylactic acid fiber and polyimide fiber, and the waterproofness of the body paper is increased through epoxy base silicone oil and inorganic nitride. The hard paper prepared through the method has good heat resistance and waterproofness and meanwhile has good interlayer peeling strength and tensile strength. The heat-resistant waterproof hard paper is simple in preparing method, easy to operate and suitable for large-scale production.

Description

technical field [0001] The invention relates to the technical field of papermaking, in particular to a heat-resistant and water-resistant steel paper and a preparation method thereof. Background technique [0002] Steel paper is made of cellulose and its derivatives. It uses zinc chloride solution, a metal salt with strong swelling and gelling properties for cellulose, as a treatment agent to treat and laminate the base paper of steel paper. Paper. Steel paper has excellent elasticity, wear resistance, corrosion resistance, heat resistance, mechanical strength, insulation performance and mechanical processing and forming performance. The finished product is durable, lightweight and aesthetically pleasing. Base paper has high strength, low ash content and good water absorption performance. At present, heat-resistant and water-resistant steel paper is rare in the market, but the demand for heat-resistant and water-resistant steel paper in actual production is increasing. ...

Claims

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Application Information

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IPC IPC(8): D21H27/00D21H21/18
CPCD21H21/18D21H27/00
Inventor 王建业吴琼华吴安波
Owner 杭州特种纸业有限公司
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