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A kind of flame-retardant wallpaper base paper and preparation method thereof

A technology of base paper and wallpaper, which is applied in the field of flame-retardant wallpaper base paper and its preparation, can solve the problems of unsustainable flame-retardant effect, yellowing and darkening of whiteness, and reduced flame-retardant performance of wallpaper base paper, and achieve outstanding market competition force, reduce the loss of paper, and improve the effect of surface strength

Active Publication Date: 2015-11-25
ZIBO OU MU SPECIAL PAPER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the flame retardant effect of the wallpaper base paper obtained by the existing method is not durable, and the whiteness is too low
Often when the base paper just produced is tested, the wallpaper base paper can have a good flame retardant effect and high whiteness; but when it is put into the warehouse for 3 to 7 days and then sampled again, the wallpaper base paper will produce flame retardancy. The problem of reduced or lost flame retardancy, uneven color change, reduced whiteness, yellowing and darkening

Method used

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  • A kind of flame-retardant wallpaper base paper and preparation method thereof

Examples

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Effect test

Embodiment 1

[0027] Embodiments 1 to 5 are specific implementations of the flame-retardant wallpaper base paper of the present invention and its preparation method, wherein embodiment 1 is the best embodiment.

[0028] Example 1

[0029] In this example, the proportion of components is 65 parts by weight of softwood pulp fiber, 18 parts of chemical fiber is polyethylene terephthalate fiber, 10 parts of acrylic latex, and the flame retardant trishydroxymethyl phosphorus oxide (THPO) 2 parts, the modifier is 2 parts of dimethyl tin oxide and dibutyl tin dichloride mixed according to the mass ratio of 1:1, 0.2 parts of cationic polyacrylamide, 0.2 parts of wet strength agent PAE, fluorescent whitening agent BBU0 .08 servings.

[0030] The preparation method of the present embodiment is as follows:

[0031] a) Mix wood pulp fiber and chemical fiber in proportion, use a pulper to finely grind and decompose and beat, the beating degree is 29°SR, and the beating concentration is controlled at ...

Embodiment 2

[0037] In this example, the component distribution ratio is 70 parts of hardwood pulp fiber, 17 parts of nylon fiber, 15 parts of acrylic latex, 3 parts of flame retardant diphenyl phosphate (BDP), and 1 part of dimethyl tin oxide as a modifier , 0.1 part of dry strength agent chitosan, 0.5 part of wet strength agent PAE, and 0.2 part of fluorescent whitening agent BA-L.

[0038] The preparation method of the present embodiment is as follows:

[0039] a) Mix wood pulp fiber and chemical fiber in proportion, use a pulper to finely grind and decompose and beat, the beating degree is 30°SR, and the beating concentration is controlled at 2%;

[0040] b) Add dry strength agent, wet strength agent PAE and 1 part of water to the pulper for batching, adjust the pH value to 7 to form a mixed fiber slurry, and make and dry the base paper by fourdrinier paper machine semi-finished products;

[0041] c) Mix and stir the flame retardant and the modifier according to the mass ratio to obt...

Embodiment 3

[0045]In this embodiment, the component distribution ratio is in parts by weight, 70 parts of softwood pulp fibers and hardwood pulp fibers are mixed in a mass ratio of 3:1, 15 parts of chemical fibers are nylon fibers, 10 parts of acrylic latex, and the flame retardant trimethylol Phosphorus oxide (THPO) 3 parts, modifier is 1 part of dibutyl tin dichloride, dry strength agent guar gum 0.5 part, wet strength agent PAE 0.1 part, and fluorescent whitening agent BBU and fluorescent whitening agent Mix 0.15 parts of BA-L according to the mass ratio of 1:1.

[0046] The preparation method of the present embodiment is as follows:

[0047] a) Mix wood pulp fiber and chemical fiber in proportion, use a pulper to finely grind, decompose and beat, the beating degree is 32°SR, and the beating concentration is controlled at 3%;

[0048] b) Add dry strength agent, wet strength agent PAE and 2 parts of water to the pulper for batching, adjust the pH value to 8 to form a mixed fiber slurry...

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Abstract

A flame-retardant wallpaper base paper and a preparation method thereof belong to the field of flame-retardant non-woven wallpaper base paper processing. The flame-retardant wallpaper base paper is made of the following components in weight percentage: 65-70 parts of wood pulp fiber, 15-20 parts of chemical fiber, 10-15 parts of latex, 1-3 parts of flame retardant, modifier 1~3 parts, 0.1~0.5 parts of dry strength agent, 0.1~0.5 parts of wet strength agent, 0.05~0.2 parts of fluorescent agent. In the present invention, the modified flame retardant liquid is obtained by mixing and stirring the flame retardant and the modifier according to the mass ratio, and the modified flame retardant liquid is immediately added into the acrylic latex and stirred evenly to obtain the sizing liquid; the semi-finished base paper is impregnated with the sizing liquid , to obtain flame-retardant wallpaper base paper with stable flame-retardant performance and low cost. The flame-retardant wallpaper base paper of the present invention has high whiteness, good flame-retardant performance and can reach the B1 flame-retardant standard, can maintain high flame-retardant performance after long-term use, and is not easy to turn yellow.

Description

Technical field [0001] The present invention is the field of flame retardant notice wallpaper base paper material, which involves a flame retardant wallpaper base paper and its preparation method. Background technique [0002] Wallpapers are currently used materials for wall decoration.When the socket is leakage or there is a bright fire, the flame retardant effect of the wallpaper wallpaper base paper can prevent the fire from spreading.Wallpaper base paper is the main base material for flame retardant wallpaper. It can be coated with flame retardant plastic layers on wallpaper base paper to make colorful flame retardant wallpapers.However, the existing flame retardant wallpaper cannot achieve both sides of flame retardant. It is often the side of the flame -retardant rubber layer that can protect the flames of fire, but the side of the wallpaper base paper is not flame retardant.The main reasons for the existing flame retardant wallpaper base paper are not ideal. [0003] First...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21H27/20D21H21/14D21H21/18D21H21/20D21H21/30D21H23/24
Inventor 李安东李文海李建峰丁福瑞
Owner ZIBO OU MU SPECIAL PAPER
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