CN105603829A - High-stain-resisting impregnated paper and preparation method thereof - Google Patents

High-stain-resisting impregnated paper and preparation method thereof Download PDF

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Publication number
CN105603829A
CN105603829A CN201511014378.8A CN201511014378A CN105603829A CN 105603829 A CN105603829 A CN 105603829A CN 201511014378 A CN201511014378 A CN 201511014378A CN 105603829 A CN105603829 A CN 105603829A
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China
Prior art keywords
paper
high resistant
melamine
impregnated paper
plain color
Prior art date
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Application number
CN201511014378.8A
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Chinese (zh)
Inventor
袁若堂
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Guangdong Fumei New Material Technology Co Ltd
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Guangdong Fumei New Material Technology Co Ltd
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Priority to CN201511014378.8A priority Critical patent/CN105603829A/en
Publication of CN105603829A publication Critical patent/CN105603829A/en
Pending legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/18—Paper- or board-based structures for surface covering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B32B2037/243—Coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/12—Coating on the layer surface on paper layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/028—Paper layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material

Landscapes

  • Adhesives Or Adhesive Processes (AREA)
  • Paper (AREA)

Abstract

The invention relates to the technical field of impregnated paper, in particular relates to high-stain-resisting impregnated paper and a preparation method of the high-stain-resisting impregnated paper. The high-stain-resisting impregnated paper comprises a base paper layer, plain-color paper and a high-stain-resisting adhesive layer, wherein the plain-color paper is adhered to the upper surface of the base paper layer; the high-stain-resisting adhesive layer is adhered to the upper surface of the plain-color paper. According to the high-stain-resisting impregnated paper disclosed by the invention, by arranging the plain-color paper and the high-stain-resisting adhesive layer on the base paper layer, the manufactured impregnated paper has good stain resistance, simple structure, low cost and high practicability.

Description

A kind of high resistant impregnated paper and preparation method thereof
Technical field
The present invention relates to impregnated paper technical field, be specifically related to a kind of high resistant impregnated paper and preparation method thereof.
Background technology
Impregnated paper is mixed by nonwoven wood pulp and PE and string, has superpower absorbability and antilysis ability, is widely used in the veneer of cabinet, wardrobe and composite floor board.
Impregnated paper paper roll is in the past owing to adopting nonwoven wood pulp and PE and string to be mixed, and anti-pollution characteristic is not good.
Therefore, prior art needs to be improved and improves.
Summary of the invention
In order to overcome the shortcoming and defect existing in prior art, the object of the present invention is to provide a kind of high resistant impregnated paper, this impregnated paper has good anti-pollution characteristic, simple in structure, and cost is low, practical.
Another object of the present invention is to provide a kind of preparation method of high resistant impregnated paper, this preparation method's technique is simple, convenient operation and control, and steady quality, production efficiency is high, and production cost is low, can large-scale industrial production.
Object of the present invention is achieved through the following technical solutions: a kind of high resistant impregnated paper, comprises original paper layer, fits in the plain color paper of original paper layer upper surface and fit in the high resistant glue-line of plain color paper upper surface.
High resistant impregnated paper of the present invention, by plain color paper and high resistant glue-line are set on original paper layer, makes produced impregnated paper have good anti-pollution characteristic, and simple in structure, cost is low, practical.
Preferably, the preparation method of described plain color paper comprises the steps:
1) get TiO2With water by weight 1: the ratio of 0.8-1.2 mixes, and stirs, then add account for gross weight 0.8-1.2% dispersant, account for the wetting agent of gross weight 1-2% and account for the defoamer of gross weight 2-4%, soak 10-14h;
2) by soaked TiO2Solution stirs 8-12min;
3) by the TiO after stirring2Solution and glue mix, its TiO2The volume ratio of solution and glue is 1:8-12;
3) paper injection;
4) adjust dry wetting, heavy before drying;
5) cut paper, makes plain color paper.
Preparation method's technique of plain color paper of the present invention is simple, convenient operation and control, and steady quality, production efficiency is high, and production cost is low, can large-scale industrial production. The plain color paper that the present invention makes makes the dipping finished paper of producing have the effect of high covering, high evenness.
Preferably, in described step 1), the mixture that dispersant is made up of with weight ratio 1.8-2.6:0.8-1.2:1 calgon, polyacrylamide and lauryl sodium sulfate. Water color ink of the present invention is by adopting calgon, polyacrylamide and lauryl sodium sulfate as the composite use of dispersant, and to control its weight ratio be 1.8-2.6:0.8-1.2:1, its dispersion effect is good, makes the dipping finished paper of producing have the effect of high covering, high evenness.
Preferably, in described step 1), the mixture that wetting agent is made up of with weight ratio 1:0.5-1.5:1.4-2.2 polyoxyethylated alkyl phenol, polyoxyethylene aliphatic alcohol ether and polyoxyethylene polyoxypropylene block copolymer. Water color ink of the present invention is by adopting polyoxyethylated alkyl phenol, polyoxyethylene aliphatic alcohol ether and polyoxyethylene polyoxypropylene block copolymer as the composite use of wetting agent, and to control its weight ratio be 1:0.5-1.5:1.4-2.2, its wetting effect is good, makes the dipping finished paper of producing have the effect of high covering, high evenness.
Preferably, in described step 1), defoamer is by dimethicone, polyoxyethylene polyoxypropylene pentaerythrite ether and the polyoxyethylene polyoxypropylene glycerin ether mixture that 1:0.8-1.2:1.5-2.5 forms in mass ratio. The present invention is by adopting dimethicone, polyoxyethylene polyoxypropylene pentaerythrite ether and polyoxyethylene polyoxypropylene glycerin ether as the composite use of defoamer, and to control its weight ratio be 1:0.8-1.2:1.5-2.5, its defoaming effect is good, makes the dipping finished paper of producing have the effect of high covering, high evenness.
Preferably, the raw material of described high resistant glue-line is melamine-formaldehyde resin adhesive. The present invention, by adopting the raw material of melamine-formaldehyde resin adhesive layer as high resistant glue-line, makes produced impregnated paper have good anti-pollution characteristic.
Preferably, described melamine-formaldehyde resin adhesive is made up of the raw material of following weight portion: formaldehyde 50-70 part, melamine 30-40 part, diethylene glycol 5-7 part, caprolactam 10-14 part and water 20-30 part.
Melamine-formaldehyde resin adhesive of the present invention passes through to adopt above-mentioned raw materials, and strictly controls the weight proportion of each raw material, and its resistant is effective, makes produced impregnated paper have good anti-pollution characteristic.
Preferably, the preparation method of described melamine-formaldehyde resin adhesive comprises the steps:
1) water, formaldehyde and melamine are added in reactor, stir;
2) add diethylene glycol, be warming up to 85-95 DEG C;
3) add caprolactam, and be incubated 55-65min;
4) add first acid for adjusting pH value to 7.6-8.0, when water-soluble ratio is 1: when 2.5-2.9, start cooling;
5), in the time that temperature drops to 55-65 DEG C, regulate pH to 7.3-7.7;
6), in the time that temperature drops to 35-45 DEG C, discharging, makes melamine-formaldehyde resin adhesive.
Preparation method's technique of melamine-formaldehyde resin adhesive of the present invention is simple, convenient operation and control, and steady quality, production efficiency is high, and production cost is low, can large-scale industrial production.
Preferably, the proportion of described original paper layer is 70-150g/m2. The present invention passes through the specific gravity control of original paper layer at 70-150g/m2, can save material, can guarantee again the toughness of impregnated paper.
The proportion of described plain color paper is 70-150g/m2. The present invention passes through the specific gravity control of plain color paper at 70-150g/m2, can save material, can make again produced impregnated paper there is good anti-pollution characteristic.
The proportion of described high resistant glue-line is 110-130g/m2. The present invention passes through the specific gravity control of high resistant glue-line at 110-130g/m2, can save material, can make again produced impregnated paper there is good anti-pollution characteristic.
A preparation method for high resistant impregnated paper, comprises the steps:
A, get original paper layer, at upper surface laminating one deck plain color paper of original paper layer;
B, at upper surface coating one deck melamine-formaldehyde resin adhesive of plain color paper, after solidifying, form high resistant glue-line, make high resistant impregnated paper.
Beneficial effect of the present invention is: high resistant impregnated paper of the present invention, by plain color paper and high resistant glue-line are set on original paper layer, makes produced impregnated paper have good anti-pollution characteristic, and simple in structure, cost is low, practical.
Preparation method's technique of the present invention is simple, convenient operation and control, and steady quality, production efficiency is high, and production cost is low, can large-scale industrial production.
Brief description of the drawings
Fig. 1 is partial sectional view of the present invention;
Reference numeral is: 1-original paper layer, 2-plain color paper, 3-high resistant glue-line.
Detailed description of the invention
For the ease of those skilled in the art's understanding, below in conjunction with embodiment and accompanying drawing 1, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
Embodiment 1
See Fig. 1, a kind of high resistant impregnated paper, comprises original paper layer 1, fits in the plain color paper 2 of original paper layer 1 upper surface and fits in the high resistant glue-line 3 of plain color paper 2 upper surfaces.
The preparation method of described plain color paper 2 comprises the steps:
1) get TiO2Mix by weight the ratio of 1: 0.8 with water, stir, then add account for gross weight 0.8% dispersant, account for the wetting agent of gross weight 1% and account for the defoamer of gross weight 2%, soak 10h;
2) by soaked TiO2Solution stirs 8min;
3) by the TiO after stirring2Solution and glue mix, its TiO2The volume ratio of solution and glue is 1:8;
3) paper injection;
4) adjust dry wetting, heavy before drying;
5) cut paper, makes plain color paper 2.
In described step 1), the mixture that dispersant is made up of with weight ratio 1.8:0.8:1 calgon, polyacrylamide and lauryl sodium sulfate.
In described step 1), the mixture that wetting agent is made up of with weight ratio 1:0.5:1.4 polyoxyethylated alkyl phenol, polyoxyethylene aliphatic alcohol ether and polyoxyethylene polyoxypropylene block copolymer.
In described step 1), defoamer is by dimethicone, polyoxyethylene polyoxypropylene pentaerythrite ether and the polyoxyethylene polyoxypropylene glycerin ether mixture that 1:0.8:1.5 forms in mass ratio.
The raw material of described high resistant glue-line 3 is melamine-formaldehyde resin adhesive.
Described melamine-formaldehyde resin adhesive is made up of the raw material of following weight portion: 20 parts, 50 parts, formaldehyde, 30 parts of melamines, 5 parts of diethylene glycols, 10 parts of caprolactams and water.
The preparation method of described melamine-formaldehyde resin adhesive comprises the steps:
1) water, formaldehyde and melamine are added in reactor, stir;
2) add diethylene glycol, be warming up to 85 DEG C;
3) add caprolactam, and be incubated 55min;
4) add first acid for adjusting pH value to 7.6, in the time that water-soluble ratio is 1: 2.5, start cooling;
5), in the time that temperature drops to 55 DEG C, regulate pH to 7.3;
6), in the time that temperature drops to 35 DEG C, discharging, makes melamine-formaldehyde resin adhesive.
The proportion of described original paper layer 1 is 70g/m2; The proportion of described plain color paper 2 is 70g/m2; The proportion of described high resistant glue-line 3 is 110g/m2。
A preparation method for high resistant impregnated paper, comprises the steps:
A, get original paper layer 1, at upper surface laminating one deck plain color paper 2 of original paper layer 1;
B, at upper surface coating one deck melamine-formaldehyde resin adhesive of plain color paper 2, after solidifying, form high resistant glue-line 3, make high resistant impregnated paper.
Embodiment 2
The difference of the present embodiment and above-described embodiment 1 is:
The preparation method of described plain color paper 2 comprises the steps:
1) get TiO2Mix by weight the ratio of 1: 0.9 with water, stir, then add account for gross weight 0.9% dispersant, account for the wetting agent of gross weight 1.2% and account for the defoamer of gross weight 2.5%, soak 11h;
2) by soaked TiO2Solution stirs 9min;
3) by the TiO after stirring2Solution and glue mix, its TiO2The volume ratio of solution and glue is 1:9;
3) paper injection;
4) adjust dry wetting, heavy before drying;
5) cut paper, makes plain color paper 2.
In described step 1), the mixture that dispersant is made up of with weight ratio 2:0.9:1 calgon, polyacrylamide and lauryl sodium sulfate.
In described step 1), the mixture that wetting agent is made up of with weight ratio 1:0.8:1.6 polyoxyethylated alkyl phenol, polyoxyethylene aliphatic alcohol ether and polyoxyethylene polyoxypropylene block copolymer.
In described step 1), defoamer is by dimethicone, polyoxyethylene polyoxypropylene pentaerythrite ether and the polyoxyethylene polyoxypropylene glycerin ether mixture that 1:0.9:1.8 forms in mass ratio.
Described melamine-formaldehyde resin adhesive is made up of the raw material of following weight portion: 22 parts, 55 parts, formaldehyde, 32 parts of melamines, 5.5 parts of diethylene glycols, 11 parts of caprolactams and water.
The preparation method of described melamine-formaldehyde resin adhesive comprises the steps:
1) water, formaldehyde and melamine are added in reactor, stir;
2) add diethylene glycol, be warming up to 88 DEG C;
3) add caprolactam, and be incubated 58min;
4) add first acid for adjusting pH value to 7.7, in the time that water-soluble ratio is 1: 2.6, start cooling;
5), in the time that temperature drops to 58 DEG C, regulate pH to 7.4;
6), in the time that temperature drops to 38 DEG C, discharging, makes melamine-formaldehyde resin adhesive.
The proportion of described original paper layer 1 is 90g/m2; The proportion of described plain color paper 2 is 90g/m2; The proportion of described high resistant glue-line 3 is 115g/m2。
Embodiment 3
The difference of the present embodiment and above-described embodiment 1 is:
The preparation method of described plain color paper 2 comprises the steps:
1) get TiO2Mix by weight the ratio of 1: 1 with water, stir, then add account for gross weight 1% dispersant, account for the wetting agent of gross weight 1.5% and account for the defoamer of gross weight 3%, soak 12h;
2) by soaked TiO2Solution stirs 10min;
3) by the TiO after stirring2Solution and glue mix, its TiO2The volume ratio of solution and glue is 1:10;
3) paper injection;
4) adjust dry wetting, heavy before drying;
5) cut paper, makes plain color paper 2.
In described step 1), the mixture that dispersant is made up of with weight ratio 2.2:1:1 calgon, polyacrylamide and lauryl sodium sulfate.
In described step 1), the mixture that wetting agent is made up of with weight ratio 1:1:1.8 polyoxyethylated alkyl phenol, polyoxyethylene aliphatic alcohol ether and polyoxyethylene polyoxypropylene block copolymer.
In described step 1), defoamer is by dimethicone, polyoxyethylene polyoxypropylene pentaerythrite ether and the polyoxyethylene polyoxypropylene glycerin ether mixture that 1:1:1.8 forms in mass ratio.
Described melamine-formaldehyde resin adhesive is made up of the raw material of following weight portion: 25 parts, 60 parts, formaldehyde, 35 parts of melamines, 6 parts of diethylene glycols, 12 parts of caprolactams and water.
The preparation method of described melamine-formaldehyde resin adhesive comprises the steps:
1) water, formaldehyde and melamine are added in reactor, stir;
2) add diethylene glycol, be warming up to 90 DEG C;
3) add caprolactam, and be incubated 60min;
4) add first acid for adjusting pH value to 7.8, in the time that water-soluble ratio is 1: 2.7, start cooling;
5), in the time that temperature drops to 60 DEG C, regulate pH to 7.5;
6), in the time that temperature drops to 40 DEG C, discharging, makes melamine-formaldehyde resin adhesive.
The proportion of described original paper layer 1 is 110g/m2; The proportion of described plain color paper 2 is 110g/m2; The proportion of described high resistant glue-line 3 is 120g/m2。
Embodiment 4
The difference of the present embodiment and above-described embodiment 1 is:
The preparation method of described plain color paper 2 comprises the steps:
1) get TiO2Mix by weight the ratio of 1: 1.1 with water, stir, then add account for gross weight 1.1% dispersant, account for the wetting agent of gross weight 1.8% and account for the defoamer of gross weight 3.5%, soak 13h;
2) by soaked TiO2Solution stirs 11min;
3) by the TiO after stirring2Solution and glue mix, its TiO2The volume ratio of solution and glue is 1:11;
3) paper injection;
4) adjust dry wetting, heavy before drying;
5) cut paper, makes plain color paper 2.
In described step 1), the mixture that dispersant is made up of with weight ratio 2.4:1.1:1 calgon, polyacrylamide and lauryl sodium sulfate.
In described step 1), the mixture that wetting agent is made up of with weight ratio 1:1.2:2 polyoxyethylated alkyl phenol, polyoxyethylene aliphatic alcohol ether and polyoxyethylene polyoxypropylene block copolymer.
In described step 1), defoamer is by dimethicone, polyoxyethylene polyoxypropylene pentaerythrite ether and the polyoxyethylene polyoxypropylene glycerin ether mixture that 1:1.1:2.2 forms in mass ratio.
Described melamine-formaldehyde resin adhesive is made up of the raw material of following weight portion: 28 parts, 65 parts, formaldehyde, 38 parts of melamines, 6.5 parts of diethylene glycols, 13 parts of caprolactams and water.
The preparation method of described melamine-formaldehyde resin adhesive comprises the steps:
1) water, formaldehyde and melamine are added in reactor, stir;
2) add diethylene glycol, be warming up to 92 DEG C;
3) add caprolactam, and be incubated 62min;
4) add first acid for adjusting pH value to 7.9, in the time that water-soluble ratio is 1: 2.8, start cooling;
5), in the time that temperature drops to 62 DEG C, regulate pH to 7.6;
6), in the time that temperature drops to 42 DEG C, discharging, makes melamine-formaldehyde resin adhesive.
The proportion of described original paper layer 1 is 130g/m2; The proportion of described plain color paper 2 is 130g/m2; The proportion of described high resistant glue-line 3 is 125g/m2。
Embodiment 5
The difference of the present embodiment and above-described embodiment 1 is:
The preparation method of described plain color paper 2 comprises the steps:
1) get TiO2Mix by weight the ratio of 1: 1.2 with water, stir, then add account for gross weight 1.2% dispersant, account for the wetting agent of gross weight 2% and account for the defoamer of gross weight 4%, soak 14h;
2) by soaked TiO2Solution stirs 12min;
3) by the TiO after stirring2Solution and glue mix, its TiO2The volume ratio of solution and glue is 1:12;
3) paper injection;
4) adjust dry wetting, heavy before drying;
5) cut paper, makes plain color paper 2.
In described step 1), the mixture that dispersant is made up of with weight ratio 2.6:1.2:1 calgon, polyacrylamide and lauryl sodium sulfate.
In described step 1), the mixture that wetting agent is made up of with weight ratio 1:1.5:2.2 polyoxyethylated alkyl phenol, polyoxyethylene aliphatic alcohol ether and polyoxyethylene polyoxypropylene block copolymer.
In described step 1), defoamer is by dimethicone, polyoxyethylene polyoxypropylene pentaerythrite ether and the polyoxyethylene polyoxypropylene glycerin ether mixture that 1:1.2:2.5 forms in mass ratio.
Described melamine-formaldehyde resin adhesive is made up of the raw material of following weight portion: 30 parts, 70 parts, formaldehyde, 40 parts of melamines, 7 parts of diethylene glycols, 14 parts of caprolactams and water.
The preparation method of described melamine-formaldehyde resin adhesive comprises the steps:
1) water, formaldehyde and melamine are added in reactor, stir;
2) add diethylene glycol, be warming up to 95 DEG C;
3) add caprolactam, and be incubated 65min;
4) add first acid for adjusting pH value to 8.0, in the time that water-soluble ratio is 1: 2.9, start cooling;
5), in the time that temperature drops to 65 DEG C, regulate pH to 7.7;
6), in the time that temperature drops to 45 DEG C, discharging, makes melamine-formaldehyde resin adhesive.
The proportion of described original paper layer 1 is 150g/m2; The proportion of described plain color paper 2 is 150g/m2; The proportion of described high resistant glue-line 3 is 130g/m2。
High resistant impregnated paper of the present invention, by plain color paper and high resistant glue-line are set on original paper layer, makes produced impregnated paper have good anti-pollution characteristic, and simple in structure, cost is low, practical.
Preparation method's technique of the present invention is simple, convenient operation and control, and steady quality, production efficiency is high, and production cost is low, can large-scale industrial production.
Above-described embodiment is preferably implementation of the present invention, and in addition, the present invention can also realize by alternate manner, and any apparent replacement is all within protection scope of the present invention without departing from the inventive concept of the premise.

Claims (10)

1. a high resistant impregnated paper, is characterized in that: comprise original paper layer, fit in the plain color paper of original paper layer upper surface and fit in the high resistant glue-line of plain color paper upper surface.
2. the high resistant impregnated paper of one according to claim 1, is characterized in that: the preparation method of described plain color paper comprises the steps:
1) get TiO2With water by weight 1: the ratio of 0.8-1.2 mixes, and stirs, then add account for gross weight 0.8-1.2% dispersant, account for the wetting agent of gross weight 1-2% and account for the defoamer of gross weight 2-4%, soak 10-14h;
2) by soaked TiO2Solution stirs 8-12min;
3) by the TiO after stirring2Solution and glue mix, its TiO2The volume ratio of solution and glue is 1:8-12;
3) paper injection;
4) adjust dry wetting, heavy before drying;
5) cut paper, makes plain color paper.
3. the high resistant impregnated paper of one according to claim 2, is characterized in that: in described step 1), and the mixture that dispersant is made up of with weight ratio 1.8-2.6:0.8-1.2:1 calgon, polyacrylamide and lauryl sodium sulfate.
4. the high resistant impregnated paper of one according to claim 2, it is characterized in that: in described step 1), the mixture that wetting agent is made up of with weight ratio 1:0.5-1.5:1.4-2.2 polyoxyethylated alkyl phenol, polyoxyethylene aliphatic alcohol ether and polyoxyethylene polyoxypropylene block copolymer.
5. the high resistant impregnated paper of one according to claim 2, it is characterized in that: in described step 1), defoamer is by dimethicone, polyoxyethylene polyoxypropylene pentaerythrite ether and the polyoxyethylene polyoxypropylene glycerin ether mixture that 1:0.8-1.2:1.5-2.5 forms in mass ratio.
6. the high resistant impregnated paper of one according to claim 1, is characterized in that: the raw material of described high resistant glue-line is melamine-formaldehyde resin adhesive.
7. the high resistant impregnated paper of one according to claim 6, is characterized in that: described melamine-formaldehyde resin adhesive is made up of the raw material of following weight portion: formaldehyde 50-70 part, melamine 30-40 part, diethylene glycol 5-7 part, caprolactam 10-14 part and water 20-30 part.
8. the high resistant impregnated paper of one according to claim 7, is characterized in that: the preparation method of described melamine-formaldehyde resin adhesive comprises the steps:
1) water, formaldehyde and melamine are added in reactor, stir;
2) add diethylene glycol, be warming up to 85-95 DEG C;
3) add caprolactam, and be incubated 55-65min;
4) add first acid for adjusting pH value to 7.6-8.0, when water-soluble ratio is 1: when 2.5-2.9, start cooling;
5), in the time that temperature drops to 55-65 DEG C, regulate pH to 7.3-7.7;
6), in the time that temperature drops to 35-45 DEG C, discharging, makes melamine-formaldehyde resin adhesive.
9. the high resistant impregnated paper of one according to claim 1, is characterized in that: the proportion of described original paper layer is 70-150g/m2; The proportion of described plain color paper is 70-150g/m2; The proportion of described high resistant glue-line is 110-130g/m2。
10. the preparation method of a kind of high resistant impregnated paper as described in claim 1-9 any one, is characterized in that: comprise the steps:
A, get original paper layer, at upper surface laminating one deck plain color paper of original paper layer;
B, at upper surface coating one deck melamine-formaldehyde resin adhesive of plain color paper, after solidifying, form high resistant glue-line, make high resistant impregnated paper.
CN201511014378.8A 2015-12-31 2015-12-31 High-stain-resisting impregnated paper and preparation method thereof Pending CN105603829A (en)

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CN109295810A (en) * 2018-08-30 2019-02-01 安庆市双龙纸业有限公司 A kind of dixie cup with fabulous waterproof effect
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