CN112359646A

CN112359646A - Impregnated decorative paper and preparation method thereof

Info

Publication number: CN112359646A
Application number: CN202011260581.4A
Authority: CN
Inventors: 罗爱军
Original assignee: Hubei Honglian Industrial Co ltd
Current assignee: Hubei Honglian Industrial Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-02-12

Abstract

The invention relates to the technical field of decorative paper preparation, and discloses impregnated decorative paper and a preparation method thereof. The method comprises the following steps: primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary glue-impregnated decorative paper, controlling the total gluing amount of primary glue impregnation to be 40-45% and the gluing temperature to be 90-110 ℃; secondary gum dipping: dipping the two sides of the primary dipped decorative paper in secondary dipping glue to obtain secondary dipped decorative paper, and controlling the total gluing amount of the secondary dipping to be 55-60% and the gluing temperature to be 90-110 ℃, wherein the dipping amount on the primary dipped decorative paper accounts for 58-62% of the total gluing amount, and the dipping amount under the primary dipped decorative paper accounts for 38-42% of the total gluing amount; pre-curing: and pre-curing 48-52% of the secondary impregnated decorative paper to obtain the impregnated decorative paper. The impregnated decorative paper obtained by the invention has excellent antibacterial, antiviral and mildewproof properties.

Description

Impregnated decorative paper and preparation method thereof

Technical Field

The invention relates to the technical field of decorative paper preparation, in particular to impregnated decorative paper and a preparation method thereof.

Background

Impregnated decorative papers are often combined with substrates such as furniture panels, wall panels, door panels, flooring and the like to obtain decorative panels. The impregnated decorative paper enables the decorative plate to be beautiful, smooth and clean, has the functions of wear resistance, corrosion resistance, water resistance and the like, and is widely used in public places, medical environments, kindergartens, schools and home environments. However, the currently used decorative plates can breed a large amount of bacteria, viruses, fungi and the like in the preparation and use processes, and cause certain health risks to users. At present, most of the impregnated decorative paper used in the market adopts urea formaldehyde resin and melamine formaldehyde resin, and has no functions of antibiosis, antivirus, mildew prevention and the like. Therefore, it is highly desirable to provide an impregnated decorative paper with antibacterial, antiviral, and antifungal functions.

Disclosure of Invention

The invention aims to solve the problem that the impregnated decorative paper in the prior art does not have antibacterial, antiviral, mildew-proof and other functions, and provides the impregnated decorative paper and the preparation method thereof.

In order to achieve the above object, the present invention provides in a first aspect a method for preparing an anti-klebsiella pneumoniae impregnated decor paper, the method comprising the steps of:

a1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary glue-impregnated decorative paper, controlling the total gluing amount of primary glue impregnation to be 40-45% and the gluing temperature to be 90-110 ℃;

a2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 55-60% and the gluing temperature to be 90-110 ℃, wherein the dipping amount on the primary dipped decorative paper accounts for 58-62% of the total gluing amount, the dipping amount under the primary dipped decorative paper accounts for 38-42% of the total gluing amount,

wherein, the preparation process of the secondary impregnation glue in the step A2 comprises the following steps:

a21, adding nano titanium oxide into melamine glue at 40-44 ℃, uniformly stirring, cooling to 18-23 ℃, and controlling the addition of the nano titanium oxide to enable the content of the nano titanium oxide in the glue for secondary gum dipping to be 0.45-0.55 mass%;

a22, adding nano zinc oxide into the glue at the temperature of 18-23 ℃ obtained in the step A21, uniformly stirring, heating to 33-38 ℃, and controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue water for glue dipping for the second time to be 0.25-0.35% by mass;

a23, adding nano copper sulfate into the glue water at the temperature of 33-38 ℃ obtained in the step A22, uniformly stirring, and controlling the adding amount of the nano copper sulfate to enable the content of the nano copper sulfate in the gluing glue water subjected to secondary gum dipping to be 0.04-0.06 mass percent;

a24, adding nano silver oxide into the glue water at the temperature of 33-38 ℃ obtained in the step A23, uniformly stirring, controlling the adding amount of the nano silver oxide to enable the content of the nano silver oxide in the glue water subjected to secondary gum dipping to be 0.04-0.06 mass%, and cooling to 20-30 ℃ to obtain secondary gum dipping glue water;

a3, pre-curing: and D, precuring the secondary impregnation decorative paper obtained in the step A2 for 48-52% to obtain the impregnation decorative paper A.

Preferably, the temperature of the urea-formaldehyde resin glue in step a1 is 20-30 ℃.

Preferably, in the step A21, the stirring speed is 1000-2000 rpm, and the stirring time is 25-35 minutes.

Preferably, in the step A22, the stirring speed is 800-1500 rpm, and the stirring time is 12-20 minutes.

Preferably, in the step A23, the stirring speed is 1200-1500 rpm, and the stirring time is 15-25 minutes.

Preferably, in the step A24, the stirring speed is 900-1800 rpm, and the stirring time is 25-35 minutes.

The invention provides a preparation method of an anti-active virus impregnated decorative paper, which comprises the following steps:

b1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary glue-impregnated decorative paper, controlling the total gluing amount of primary glue impregnation to be 40-45% and the gluing temperature to be 90-110 ℃;

b2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 55-60% and the gluing temperature to be 90-110 ℃, wherein the dipping amount on the primary dipped decorative paper accounts for 58-62% of the total gluing amount, the dipping amount under the primary dipped decorative paper accounts for 38-42% of the total gluing amount,

wherein, the preparation process of the secondary impregnation glue in the step B2 comprises the following steps:

b21, adding nano titanium oxide into melamine glue at the temperature of 40-44 ℃, uniformly stirring, cooling to 18-23 ℃, and controlling the adding amount of the nano titanium oxide to enable the content of the nano titanium oxide in the glue subjected to secondary glue dipping to be 0.42-0.45 mass%;

b22, adding nano zinc oxide into the glue water at the temperature of 18-23 ℃ obtained in the step B21, uniformly stirring, heating to 33-38 ℃, and controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue water for glue dipping for the second time to be 0.25-0.35% by mass;

b23, adding nano copper sulfate into the glue water at the temperature of 33-38 ℃ obtained in the step B22, uniformly stirring, controlling the adding amount of the nano copper sulfate to enable the content of the nano copper sulfate in the gluing glue water subjected to secondary gum dipping to be 0.04-0.06 mass%, and cooling to 20-30 ℃ to obtain secondary dipping glue water;

b3, pre-curing: and D, precuring 48-52% of the secondary impregnation decorative paper obtained in the step B2 to obtain impregnation decorative paper B.

Preferably, the temperature of the urea-formaldehyde resin glue in step B1 is 20-30 ℃.

Preferably, in the step B21, the stirring speed is 1000-2000 rpm, and the stirring time is 15-25 minutes.

Preferably, in the step B22, the stirring speed is 800-1500 rpm, and the stirring time is 12-20 minutes.

Preferably, in the step B23, the stirring speed is 1200-1500 rpm, and the stirring time is 25-35 minutes.

In a third aspect of the invention there is provided an antibacterial impregnated decor paper comprising the steps of:

c1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary glue-impregnated decorative paper, controlling the total gluing amount of primary glue impregnation to be 40-45% and the gluing temperature to be 90-110 ℃;

c2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 55-60% and the gluing temperature to be 90-110 ℃, wherein the dipping amount on the primary dipped decorative paper accounts for 58-62% of the total gluing amount, the dipping amount under the primary dipped decorative paper accounts for 38-42% of the total gluing amount,

wherein, the preparation process of the secondary impregnation glue in the step C2 comprises the following steps:

c21, adding nano silver oxide into the melamine glue at the temperature of 40-44 ℃, uniformly stirring, cooling to 18-23 ℃, and controlling the adding amount of the nano silver oxide to enable the content of the nano silver oxide in the gluing glue subjected to secondary gum dipping to be 0.25-0.35 mass%;

c22, adding nano zinc oxide into the glue water at the temperature of 18-23 ℃ obtained in the step C21, uniformly stirring, controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue water for secondary gum dipping to be 0.25-0.35 mass%, and heating to 24-28 ℃ to obtain secondary dipping glue water;

c3, pre-curing: and D, precuring the secondary impregnation decorative paper obtained in the step C2 by 48-52% to obtain impregnation decorative paper C.

Preferably, the temperature of the urea-formaldehyde resin glue in step C1 is 20-30 ℃.

Preferably, in step C21, the stirring speed is 1000-1800 rpm, and the stirring time is 15-25 minutes.

Preferably, in the step C22, the stirring speed is 800-1300 rpm, and the stirring time is 12-18 minutes.

The fourth aspect of the invention provides a preparation method of the impregnated decorative paper for detecting the mildew resistance, which comprises the following steps:

d1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary glue-impregnated decorative paper, controlling the total gluing amount of primary glue impregnation to be 40-45% and the gluing temperature to be 90-110 ℃;

d2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 55-60% and the gluing temperature to be 90-110 ℃, wherein the dipping amount on the primary dipped decorative paper accounts for 58-62% of the total gluing amount, the dipping amount under the primary dipped decorative paper accounts for 38-42% of the total gluing amount,

wherein, the preparation process of the secondary impregnation glue in the step D2 comprises the following steps:

d21, adding nano titanium oxide into melamine glue at the temperature of 40-44 ℃, uniformly stirring, cooling to 18-23 ℃, and controlling the adding amount of the nano titanium oxide to enable the content of the nano titanium oxide in the glue subjected to secondary glue dipping to be 0.25-0.35 mass%;

d22, adding nano zinc oxide into the glue water at the temperature of 18-23 ℃ obtained in the step D21, uniformly stirring, controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue water for secondary gum dipping to be 1.5-2.5 mass%, and heating to 24-28 ℃ to obtain secondary dipping glue water;

d3, pre-curing: and D, precuring 48-52% of the secondary impregnation decorative paper obtained in the step D2 to obtain impregnation decorative paper D.

Preferably, the temperature of the urea-formaldehyde resin glue in step D1 is 20-30 ℃.

Preferably, in the step D21, the stirring speed is 1000-1800 rpm, and the stirring time is 15-25 minutes.

Preferably, in the step D22, the stirring speed is 800-1300 rpm, and the stirring time is 12-18 minutes.

In a fifth aspect, the invention provides an impregnated decor paper prepared by the method as hereinbefore described, which impregnated decor paper has anti-klebsiella pneumoniae, anti-active virus, anti-bacterial or anti-mould properties.

Preferably, the active virus is an influenza a virus.

Preferably, the bacteria comprise escherichia coli and/or staphylococcus aureus.

Preferably, the mold includes at least one of aspergillus niger, aspergillus terreus, penicillium funiculosum, chaetomium globosum, paecilomyces variotii and aureobasidium pullulans.

According to the invention, the impregnation process of the urea-formaldehyde resin or the melamine-formaldehyde resin is improved, after the primary impregnation process is carried out on the decorative paper, the secondary impregnation process is carried out on the decorative paper by adopting the independently developed secondary impregnation glue with specific components and functions, so that the obtained decorative paper has excellent antibacterial, antiviral and mildew-proof properties under the conditions of keeping the original functions and not influencing the hot pressing process.

The invention reasonably selects the components of the secondary impregnation glue, adds the specific components at proper temperature according to specific steps and time intervals, controls the content of the specific components in the secondary impregnation glue, and simultaneously performs fusion under high-speed stirring to obtain the impregnation decorative paper with specific functions.

Detailed Description

The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.

The invention provides a preparation method of anti-Klebsiella pneumoniae impregnated decorative paper, which comprises the following steps:

In the preparation method of the anti-Klebsiella pneumoniae impregnated decorative paper, the decorative paper is impregnated for the first time by using the urea-formaldehyde resin glue, and the gluing amount and the gluing temperature of the primary impregnation process are controlled; then, performing double-sided impregnation by using special secondary impregnation glue, respectively controlling the gluing amount of the two sides of the decorative paper, and then pre-curing the decorative paper to obtain the impregnated decorative paper with excellent Klebsiella pneumoniae resistance.

In the step a1 of the present invention, the total sizing amount of one gum dipping may be 40%, 41%, 42%, 43%, 44%, 45% or any value in the range of any two of these points.

In the step A1 of the invention, the gluing temperature of the primary gum dipping can be 90 ℃, 92 ℃, 94 ℃, 96 ℃, 98 ℃, 100 ℃, 102 ℃, 104 ℃, 106 ℃, 108 ℃ or 110 ℃.

In the step A2, the total glue applying amount and the glue applying temperature of the secondary glue applying process need to be reasonably controlled, and the secondary glue applying amounts of the upper surface and the lower surface of the decorative paper need to be respectively controlled.

In the step a2, the total sizing amount of the secondary gum dipping can be 55%, 56%, 57%, 58%, 59%, 60% and any value in the range formed by any two of these points.

In the step A2, the sizing temperature of the secondary gum dipping can be 90 ℃, 92 ℃, 94 ℃, 96 ℃, 98 ℃, 100 ℃, 102 ℃, 104 ℃, 106 ℃, 108 ℃ or 110 ℃.

On the basis that the total glue applying amount of the secondary glue dipping meets the requirement, the respective secondary glue dipping amounts of the upper surface and the lower surface of the decorative paper are also important for realizing the Klebsiella pneumoniae resistance.

In the step a2, the gum dipping amount on the primarily dipped decorative paper can be 58%, 59%, 60%, 61%, 62% of the total gum dipping amount of the secondarily dipped decorative paper and any value in the range formed by any two of the values.

In a preferred embodiment, in the step a2, the gum dipping amount on the first gum dipping decorative paper is 60% of the total gum dipping amount of the second gum dipping.

In the step a2, the gum dipping amount under the primary gum dipping decorative paper can be 38%, 39%, 40%, 41%, 42% of the total gum dipping amount of the secondary gum dipping and any value in the range formed by any two of the values.

In a preferred embodiment, in the step a2, the gum dipping amount under the first gum dipping decorative paper can be 40% of the total gum dipping amount of the second gum dipping.

In the preparation process of the secondary impregnation glue in the step A2, the nano titanium oxide, the nano zinc oxide, the nano copper sulfate and the nano silver oxide are sequentially added into the melamine glue at a certain temperature step by step, the temperature of the glue in each step is controlled, and the adding amount of the nano titanium oxide, the nano zinc oxide, the nano copper sulfate and the nano silver oxide in the glue is controlled, so that the property of resisting the Klebsiella pneumoniae is improved.

In the step A21, nanometer titanium oxide can be added into melamine glue at 40 ℃, 41 ℃, 42 ℃, 43 ℃ or 44 ℃, and the temperature can be reduced to 18 ℃, 19 ℃, 20 ℃, 21 ℃, 22 ℃ or 23 ℃ after the mixture is stirred uniformly.

In the step a21, the amount of nano titanium oxide added may be controlled so that the nano titanium oxide content in the sizing water of the secondary gumming is 0.45 mass%, 0.46 mass%, 0.47 mass%, 0.48 mass%, 0.49 mass%, 0.5 mass%, 0.51 mass%, 0.52 mass%, 0.53 mass%, 0.54 mass%, or 0.55 mass%.

In a preferred embodiment, in the step A21, adding nano titanium oxide into melamine glue at 42 ℃, uniformly stirring, cooling to 20 ℃, and controlling the adding amount of the nano titanium oxide to ensure that the content of the nano titanium oxide in the glue for secondary gum dipping accounts for 0.5 mass percent.

In step A22, the nano zinc oxide can be added into the 18 deg.C, 19 deg.C, 20 deg.C, 21 deg.C, 22 deg.C or 23 deg.C glue obtained in step A21, and heated to 33 deg.C, 34 deg.C, 35 deg.C, 36 deg.C, 37 deg.C or 38 deg.C after stirring.

In step a22, the amount of added nano zinc oxide may be controlled so that the nano zinc oxide content in the sizing water of the secondary gumming is 0.25 mass%, 0.26 mass%, 0.27 mass%, 0.28 mass%, 0.29 mass%, 0.3 mass%, 0.31 mass%, 0.32 mass%, 0.33 mass%, 0.34 mass%, or 0.35 mass%.

In a preferred embodiment, in the step A22, the nano zinc oxide is added into the glue water at 20 ℃ obtained in the step A21, the temperature is raised to 35 ℃ after the mixture is uniformly stirred, and the adding amount of the nano zinc oxide is controlled so that the content of the nano zinc oxide in the glue water for secondary gum dipping accounts for 0.3 mass percent.

In step A23, nanometer copper sulfate is added to the glue obtained in step A22 at 33 deg.C, 34 deg.C, 35 deg.C, 36 deg.C, 37 deg.C or 38 deg.C.

In step a23, the amount of added nano copper sulfate may be controlled so that the nano copper sulfate content in the sizing water of the secondary gumming is 0.04 mass%, 0.05 mass%, 0.06 mass%, or any value in the range formed by any two of these values.

In a preferred embodiment, in the step A23, the nano copper sulfate is added into the glue solution with the temperature of 35 ℃ obtained in the step A22, the mixture is stirred uniformly, and the adding amount of the nano copper sulfate is controlled so that the content of the nano copper sulfate in the gluing glue solution subjected to secondary gum dipping accounts for 0.05 percent by mass.

In step A24, the nano silver oxide can be added to the glue obtained in step A23 at 33 deg.C, 34 deg.C, 35 deg.C, 36 deg.C, 37 deg.C or 38 deg.C.

In the step A24, the adding amount of the nano silver oxide can be controlled to make the content of the nano silver oxide in the sizing glue for the secondary gumming be 0.04 mass%, 0.05 mass%, 0.06 mass% and any value in the range formed by any two of the above values, and the temperature is reduced to 20 ℃, 21 ℃, 22 ℃, 23 ℃, 24 ℃, 25 ℃, 26 ℃, 27 ℃, 28 ℃, 29 ℃ or 30 ℃ to obtain the secondary dipping glue.

In a preferred embodiment, A24, adding nano silver oxide into the glue of 33-38 ℃ obtained in the step A23, uniformly stirring, controlling the adding amount of the nano silver oxide to enable the content of the nano silver oxide in the gluing glue subjected to secondary gum dipping to be 0.04-0.06 mass%, and cooling to 20-30 ℃ to obtain the secondary dipping glue.

In the step A3, in order to make the impregnated decorative paper and the substrate be better attached and improve the performance of the obtained decorative board against klebsiella pneumoniae, the secondary impregnated decorative paper obtained in the step a2 needs to be pre-cured by 48 to 52 percent.

In particular embodiments, the secondary gum-dipped decor paper from step a2 may be pre-cured by 48%, 49%, 50%, 51%, or 52%, preferably 50%.

In the preparation method of the anti-klebsiella pneumoniae impregnation decorative paper, the temperature of the urea resin glue in the step A1 is 20-30 ℃; specifically, for example, the temperature can be 20 ℃, 21 ℃, 22 ℃, 23 ℃, 24 ℃, 25 ℃, 26 ℃, 27 ℃, 28 ℃, 29 ℃ or 30 ℃.

In the preparation method of the Klebsiella pneumoniae-resistant impregnated decorative paper, in order to enhance the Klebsiella pneumoniae-resistant performance of the impregnated decorative paper, the preparation of the secondary impregnation glue is carried out in a high-speed stirring process, and the stirring time and the stirring speed of each step must be controlled.

In the step A21, the stirring speed is 1000-2000 r/min, and the stirring time is 25-35 min.

In particular embodiments, in step a21, the agitation rate may be 1000 rpm, 1050 rpm, 1100 rpm, 1150 rpm, 1200 rpm, 1250 rpm, 1300 rpm, 1350 rpm, 1400 rpm, 1450 rpm, 1500 rpm, 1550 rpm, 1600 rpm, 1650 rpm, 1700 rpm, 1750 rpm, 1800 rpm, 1850 rpm, 1900 rpm, 1950 rpm, or 2000 rpm; the stirring time is 25 minutes, 26 minutes, 27 minutes, 28 minutes, 29 minutes, 30 minutes, 31 minutes, 32 minutes, 33 minutes, 34 minutes, or 35 minutes.

In a preferred embodiment, in step A21, the stirring rate is 1500 rpm and the stirring time is 30 minutes.

In the step A22, the stirring speed is 800-1500 rpm, and the stirring time is 12-20 minutes.

In particular embodiments, the agitation rate may be 800 revolutions per minute, 850 revolutions per minute, 900 revolutions per minute, 950 revolutions per minute, 1000 revolutions per minute, 1100 revolutions per minute, 1150 revolutions per minute, 1200 revolutions per minute, 1250 revolutions per minute, 1300 revolutions per minute, 1350 revolutions per minute, 1400 revolutions per minute, 1450 revolutions per minute, or 1500 revolutions per minute; the stirring time may be 12 minutes, 13 minutes, 14 minutes, 15 minutes, 16 minutes, 17 minutes, 18 minutes, 19 minutes, or 20 minutes.

In a preferred embodiment, in step A22, the stirring rate is 1250 revolutions per minute and the stirring time is 15 minutes.

In the step A23, the stirring speed is 1200-1500 rpm, and the stirring time is 15-25 minutes.

In particular embodiments, the agitation rate may be 1200, 1250, 1300, 1350, 1400, 1450, or 1500 revolutions per minute; the stirring time may be 15 minutes, 16 minutes, 17 minutes, 18 minutes, 19 minutes, 20 minutes, 21 minutes, 22 minutes, 23 minutes, 24 minutes, or 25 minutes.

In a preferred embodiment, in step A23, the stirring rate is 1300 rpm and the stirring time is 20 minutes.

In the step A24, the stirring speed is 900-1800 rpm, and the stirring time is 25-35 minutes.

In particular embodiments, the agitation rate may be 900 revolutions per minute, 1000 revolutions per minute, 1100 revolutions per minute, 1200 revolutions per minute, 1300 revolutions per minute, 1400 revolutions per minute, 1500 revolutions per minute, 1600 revolutions per minute, 1700 revolutions per minute, 1800 revolutions per minute; the stirring time may be 25 minutes, 26 minutes, 27 minutes, 28 minutes, 29 minutes, 30 minutes, 31 minutes, 32 minutes, 33 minutes, 34 minutes, or 35 minutes.

In a preferred embodiment, in step A24, the stirring rate is 1400 rpm and the stirring time is 30 minutes.

The decorative paper prepared by the preparation method of the Klebsiella pneumoniae resistant impregnated decorative paper has excellent Klebsiella pneumoniae resistant performance after being laminated with base plates such as furniture plates, wall plates, door plates, floors and the like.

b23, adding nano copper sulfate into the glue water at the temperature of 33-38 ℃ obtained in the step B22, uniformly stirring, controlling the adding amount of the nano copper sulfate to enable the content of the nano copper sulfate in the gluing glue water subjected to secondary gum dipping to be 0.04-0.06% by mass, and cooling to 20-30 ℃ to obtain secondary dipping glue water;

In the preparation method of the anti-active virus impregnated decorative paper, firstly, the decorative paper is impregnated for the first time by using urea-formaldehyde resin glue, and the gluing amount and the gluing temperature of the primary impregnation process are controlled; then, performing double-sided impregnation by using special secondary impregnation glue, respectively controlling the gluing amount of the two sides of the decorative paper, and then pre-curing the decorative paper to obtain the impregnated decorative paper with excellent active virus resistance.

In the preparation method of the anti-active virus impregnated decorative paper, the active virus is preferably influenza a virus.

In the step B1 of the present invention, the total sizing amount of one gum dipping can be controlled to be any value in the range of 40%, 41%, 42%, 43%, 44%, 45% and any two of these values.

In the step B1, the gluing temperature of the primary gum dipping can be 90 ℃, 92 ℃, 94 ℃, 96 ℃, 98 ℃, 100 ℃, 102 ℃, 104 ℃, 106 ℃, 108 ℃ or 110 ℃.

In the step B2, the total glue applying amount and the glue applying temperature of the secondary glue applying process need to be reasonably controlled, and the secondary glue applying amounts of the upper surface and the lower surface of the decorative paper need to be respectively controlled.

In the step B2, the total sizing amount of the secondary gum dipping may be 55%, 56%, 57%, 58%, 59%, 60% or any value in the range formed by any two of these points.

In the step B2, the sizing temperature of the secondary gum dipping can be 90 ℃, 92 ℃, 94 ℃, 96 ℃, 98 ℃, 100 ℃, 102 ℃, 104 ℃, 106 ℃, 108 ℃ or 110 ℃.

On the basis that the total gum dipping amount of the secondary gum dipping meets the requirement, the respective secondary gum dipping amounts of the upper surface and the lower surface of the decorative paper are also important for realizing the anti-active virus.

In the step B2, the gum dipping amount on the primarily dipped decorative paper may be 58%, 59%, 60%, 61%, 62% of the total gum dipping amount of the secondarily dipped decorative paper, or any value in the range formed by any two of these values.

In a preferred embodiment, in the step B2, the gum dipping amount on the first gum dipping decorative paper is 60% of the total gum dipping amount of the second gum dipping.

In the step B2, the gum dipping amount under the primary gum dipping decorative paper may be 38%, 39%, 40%, 41%, 42% of the total gum dipping amount of the secondary gum dipping and any value in the range formed by any two of these points.

In a preferred embodiment, in the step B2, the gum dipping amount under the primarily dipped decorative paper may be 40% of the total gum dipping amount of the secondarily dipped decorative paper.

In the preparation process of the secondary impregnation glue in the step B2, the nano titanium oxide, the nano zinc oxide and the nano copper sulfate are sequentially added into the melamine glue at a certain temperature step by step, the temperature of the glue in each step is controlled, and the adding amount of the nano titanium oxide, the nano zinc oxide and the nano copper sulfate in the glue is controlled, so that the active virus resistance is improved.

In the step B21, the nano titanium oxide can be added into melamine glue at 40 ℃, 41 ℃, 42 ℃, 43 ℃ or 44 ℃, and the temperature can be reduced to 18 ℃, 19 ℃, 20 ℃, 21 ℃, 22 ℃ or 23 ℃ after the nano titanium oxide is uniformly stirred.

In the step B21, the amount of the nano titanium oxide added may be controlled so that the nano titanium oxide content in the sizing water of the secondary gumming may be any value in the range of 0.42 mass%, 0.425 mass%, 0.43 mass%, 0.435 mass%, 0.44 mass%, 0.445 mass%, 0.45 mass%, or any two of these values.

In a preferred embodiment, in the step B21, nano titanium oxide is added into melamine glue at 42 ℃, the temperature is reduced to 20 ℃ after uniform stirring, and the adding amount of the nano titanium oxide is controlled so that the content of the nano titanium oxide in the glue of the secondary gum dipping accounts for 0.45 mass percent.

In step B22, the nano zinc oxide can be added into the 18 deg.C, 19 deg.C, 20 deg.C, 21 deg.C, 22 deg.C or 23 deg.C glue obtained in step B21, and heated to 33 deg.C, 34 deg.C, 35 deg.C, 36 deg.C, 37 deg.C or 38 deg.C after stirring.

In step B22, the amount of added nano zinc oxide may be controlled so that the nano zinc oxide content in the sizing water of the secondary gumming is 0.25 mass%, 0.26 mass%, 0.27 mass%, 0.28 mass%, 0.29 mass%, 0.3 mass%, 0.31 mass%, 0.32 mass%, 0.33 mass%, 0.34 mass%, or 0.35 mass%.

In a preferred embodiment, in the step B22, the nano zinc oxide is added into the glue water at 20 ℃ obtained in the step B21, the temperature is raised to 35 ℃ after the mixture is uniformly stirred, and the addition amount of the nano zinc oxide is controlled so that the content of the nano zinc oxide in the glue water after the secondary gum dipping accounts for 0.3 mass percent.

In step B23, nano copper sulfate is added to the glue obtained in step B22 at 33 deg.C, 34 deg.C, 35 deg.C, 36 deg.C, 37 deg.C or 38 deg.C.

In the step B23, the adding amount of the nano copper sulfate can be controlled to ensure that the content of the nano copper sulfate in the sizing glue for the secondary gum dipping is 0.04 mass percent, 0.05 mass percent, 0.06 mass percent and any value in the range formed by any two of the values, and the temperature is reduced to 20 ℃, 21 ℃, 22 ℃, 23 ℃, 24 ℃, 25 ℃, 26 ℃, 27 ℃, 28 ℃, 29 ℃ or 30 ℃ to obtain the secondary dipping glue.

In a preferred embodiment, in step B23, adding nano copper sulfate into the 35 ℃ glue obtained in step B22, stirring uniformly, controlling the addition amount of nano copper sulfate to make the content of nano copper sulfate in the twice-dipped sizing glue be 0.05 mass%, and cooling to 25 ℃ to obtain the twice-dipped glue.

In the step B3, in order to better attach the impregnated decorative paper to the substrate and improve the active virus resistance of the obtained decorative board, the secondary impregnated decorative paper obtained in the step B2 needs to be pre-cured by 48 to 52 percent.

In particular embodiments, the secondary gum-dipped decor paper from step B2 may be pre-cured by 48%, 49%, 50%, 51%, or 52%, preferably 50%.

In the preparation method of the anti-active virus impregnated decorative paper, the temperature of the urea-formaldehyde resin glue in the step B1 is 20-30 ℃; specifically, for example, the temperature can be 20 ℃, 21 ℃, 22 ℃, 23 ℃, 24 ℃, 25 ℃, 26 ℃, 27 ℃, 28 ℃, 29 ℃ or 30 ℃.

In the preparation method of the anti-active virus impregnated decorative paper, in order to enhance the anti-active virus performance of the impregnated decorative paper, the preparation of the secondary impregnation glue is carried out in the process of high-speed stirring, and the stirring time and the stirring speed of each step must be controlled.

In the step B21, the stirring speed is 1000-2000 rpm, and the stirring time is 15-25 minutes.

In particular embodiments, in step B21, the stirring rate may be 1000 rpm, 1050 rpm, 1100 rpm, 1150 rpm, 1200 rpm, 1250 rpm, 1300 rpm, 1350 rpm, 1400 rpm, 1450 rpm, 1500 rpm, 1550 rpm, 1600 rpm, 1650 rpm, 1700 rpm, 1750 rpm, 1800 rpm, 1850 rpm, 1900 rpm, 1950 rpm, or 2000 rpm; the stirring time is 15 minutes, 16 minutes, 17 minutes, 18 minutes, 19 minutes, 20 minutes, 21 minutes, 22 minutes, 23 minutes, 24 minutes, or 25 minutes.

In a preferred embodiment, in step B21, the stirring rate is 1500 rpm and the stirring time is 20 minutes.

In the step B22, the stirring speed is 800-1500 rpm, and the stirring time is 12-20 minutes.

In particular embodiments, in step B22, the stirring rate may be 800 rpm, 850 rpm, 900 rpm, 950 rpm, 1000 rpm, 1100 rpm, 1150 rpm, 1200 rpm, 1250 rpm, 1300 rpm, 1350 rpm, 1400 rpm, 1450 rpm, or 1500 rpm; in step B22, the stirring time may be 12 minutes, 13 minutes, 14 minutes, 15 minutes, 16 minutes, 17 minutes, 18 minutes, 19 minutes, or 20 minutes.

In a preferred embodiment, in step B22, the stirring rate is 1250 revolutions per minute and the stirring time is 15 minutes.

In the step B23, the stirring speed is 1200-1500 rpm, and the stirring time is 25-35 minutes.

In particular embodiments, in step B23, the stirring rate may be 1200, 1250, 1300, 1350, 1400, 1450 or 1500 revolutions per minute; in step B23, the stirring time may be 25 minutes, 26 minutes, 27 minutes, 28 minutes, 29 minutes, 30 minutes, 31 minutes, 32 minutes, 33 minutes, 34 minutes, or 35 minutes.

In a preferred embodiment, in step B23, the stirring rate is 1300 rpm and the stirring time is 30 minutes.

The decorative paper prepared by the preparation method of the active virus resistant impregnated decorative paper has excellent active virus resistant performance after being pressed with base plates such as furniture plates, wall plates, door plates, floors and the like.

In the preparation method of the antibacterial decorative paper, firstly, the decorative paper is impregnated by urea-formaldehyde resin glue for one time, and the gluing amount and the gluing temperature of the primary impregnation process are controlled; then, performing double-sided impregnation by using special secondary impregnation glue, respectively controlling the gluing amount of the two sides of the decorative paper, and then pre-curing the decorative paper to obtain the impregnated decorative paper with excellent antibacterial performance.

In the preparation method of the antibacterial performance impregnated decorative paper, the bacteria are preferably escherichia coli and/or staphylococcus aureus.

In the step C1 of the present invention, the total sizing amount of one gum dipping can be controlled to be any value in the range of 40%, 41%, 42%, 43%, 44%, 45% and any two of these values.

In the step C1, the gluing temperature of the primary glue dipping can be 90 ℃, 92 ℃, 94 ℃, 96 ℃, 98 ℃, 100 ℃, 102 ℃, 104 ℃, 106 ℃, 108 ℃ or 110 ℃.

In the step C2, the total glue applying amount and the glue applying temperature of the secondary glue applying process need to be reasonably controlled, and the secondary glue applying amounts of the upper surface and the lower surface of the decorative paper need to be respectively controlled.

In the step C2, the total sizing amount of the secondary gum dipping may be 55%, 56%, 57%, 58%, 59%, 60% or any value in the range formed by any two of these points.

In the step C2, the sizing temperature of the secondary dipping can be 90 ℃, 92 ℃, 94 ℃, 96 ℃, 98 ℃, 100 ℃, 102 ℃, 104 ℃, 106 ℃, 108 ℃ or 110 ℃.

On the basis that the total glue applying amount of the secondary glue dipping meets the requirement, the respective secondary glue dipping amounts of the upper surface and the lower surface of the decorative paper are also important for realizing the antibacterial performance.

In the step C2, the gum dipping amount on the primarily dipped decorative paper can be 58%, 59%, 60%, 61%, 62% of the total gum dipping amount of the secondarily dipped decorative paper and any value in the range formed by any two of the values.

In a preferred embodiment, in the step C2, the gum dipping amount on the first gum dipping decorative paper is 60% of the total gum dipping amount of the second gum dipping.

In the step C2, the gum dipping amount under the primary gum dipping decorative paper can be 38%, 39%, 40%, 41%, 42% of the total gum dipping amount of the secondary gum dipping and any value in the range formed by any two of the values.

In a preferred embodiment, in the C2 step, the gum dipping amount under the primarily dipped decorative paper may be 40% of the total gum dipping amount of the secondarily dipped decorative paper.

In the preparation process of the secondary impregnation glue in the step C2, the nano silver oxide and the nano zinc oxide are sequentially added into the melamine glue at a certain temperature step by step, the temperature of the glue in each step is controlled, and the adding amount of the nano silver oxide and the nano zinc oxide in the glue is controlled, so that the antibacterial performance is improved.

In the step C21, the nano silver oxide can be added into melamine glue at 40 ℃, 41 ℃, 42 ℃, 43 ℃ or 44 ℃, and the temperature can be reduced to 18 ℃, 19 ℃, 20 ℃, 21 ℃, 22 ℃ or 23 ℃ after the nano silver oxide is uniformly stirred.

In the step C21, the amount of the added nano silver oxide may be controlled so that the content of the nano silver oxide in the glue solution after the second dipping is 0.25 mass%, 0.26 mass%, 0.27 mass%, 0.28 mass%, 0.29 mass%, 0.3 mass%, 0.31 mass%, 0.32 mass%, 0.33 mass%, 0.34 mass%, 0.35 mass%, or any value in the range of any two of these values.

In a preferred embodiment, in the step C21, the nano silver oxide is added to the melamine glue at 42 ℃, the temperature is reduced to 20 ℃ after the uniform stirring, and the addition amount of the nano silver oxide is controlled so that the content of the nano silver oxide in the twice-dipped sizing glue is 0.3 mass%.

In step C22, the nano zinc oxide can be added into the glue obtained in step C21 at 18 ℃, 19 ℃, 20 ℃, 21 ℃, 22 ℃ or 23 ℃ and stirred uniformly.

In step C22, the amount of added nano zinc oxide may be controlled so that the content of nano zinc oxide in the glue solution for the secondary gumming is 0.25 mass%, 0.26 mass%, 0.27 mass%, 0.28 mass%, 0.29 mass%, 0.3 mass%, 0.31 mass%, 0.32 mass%, 0.33 mass%, 0.34 mass%, or 0.35 mass%, and the temperature is raised to any value in the range of 24 ℃, 25 ℃, 26 ℃, 27 ℃, 28 ℃ and any two of these values, thereby obtaining the secondary dipping glue.

In a preferred embodiment, in step C22, adding nano zinc oxide into the 20 ℃ glue obtained in step C21, stirring uniformly, controlling the addition amount of nano zinc oxide to make the content of nano zinc oxide in the glue water for secondary gum dipping 0.3 mass%, and heating to 25 ℃ to obtain the secondary dipping glue.

In the step C3 precuring, in order to make the impregnated decorative paper and the substrate be better attached and improve the antibacterial performance of the obtained decorative board, the secondary impregnated decorative paper obtained in the step C2 needs to be precured by 48 to 52 percent.

In particular embodiments, the secondary gum-dipped decor paper from step C2 may be pre-cured by 48%, 49%, 50%, 51%, or 52%, preferably 50%.

In the preparation method of the antibacterial performance impregnated decorative paper, the temperature of the urea-formaldehyde resin glue in the step C1 is 20-30 ℃; specifically, for example, the temperature can be 20 ℃, 21 ℃, 22 ℃, 23 ℃, 24 ℃, 25 ℃, 26 ℃, 27 ℃, 28 ℃, 29 ℃ or 30 ℃.

In the preparation method of the antibacterial performance impregnated decorative paper, in order to enhance the antibacterial performance of the impregnated decorative paper, the preparation of the secondary impregnation glue is carried out in the process of high-speed stirring, and the stirring time and the stirring speed of each step must be controlled.

In step C21, the stirring speed is 1000-1800 rpm, and the stirring time is 15-25 minutes.

In particular embodiments, in step C21, the stirring rate may be 1000 rpm, 1050 rpm, 1100 rpm, 1150 rpm, 1200 rpm, 1250 rpm, 1300 rpm, 1350 rpm, 1400 rpm, 1450 rpm, 1500 rpm, 1550 rpm, 1600 rpm, 1650 rpm, 1700 rpm, 1750 rpm, or 1800 rpm; in step C21, the stirring time may be 15 minutes, 16 minutes, 17 minutes, 18 minutes, 19 minutes, 20 minutes, 21 minutes, 22 minutes, 23 minutes, 24 minutes, or 25 minutes.

In a preferred embodiment, in step C21, the stirring rate is 1400 rpm and the stirring time is 20 minutes.

In step C22, the stirring speed is 800-1300 rpm, and the stirring time is 12-18 minutes.

In particular embodiments, in step C22, the stirring rate may be 800 rpm, 850 rpm, 900 rpm, 950 rpm, 1000 rpm, 1100 rpm, 1150 rpm, 1200 rpm, 1250 rpm, or 1300 rpm; in step C22, the stirring time may be 12 minutes, 13 minutes, 14 minutes, 15 minutes, 16 minutes, 17 minutes, or 18 minutes.

In a preferred embodiment, in step C22, the stirring rate is 1150 revolutions per minute and the stirring time is 15 minutes.

The decorative paper prepared by the preparation method of the antibacterial impregnated decorative paper has excellent antibacterial performance and is laminated with base plates such as furniture plates, wall plates, door plates, floors and the like.

In the preparation method of the mildew-proof impregnated decorative paper, firstly, the decorative paper is impregnated for the first time by using the urea-formaldehyde resin glue, and the gluing amount and the gluing temperature of the primary impregnation process are controlled; then, performing double-sided impregnation by using special secondary impregnation glue, respectively controlling the gluing amount of the two sides of the decorative paper, and then pre-curing the decorative paper to obtain the impregnated decorative paper with excellent mildew resistance.

In the step D1 of the present invention, the total sizing amount of one gum dipping may be 40%, 41%, 42%, 43%, 44%, 45% or any value in the range of any two of these values.

In the step D1, the gluing temperature of the primary gum dipping can be 90 ℃, 92 ℃, 94 ℃, 96 ℃, 98 ℃, 100 ℃, 102 ℃, 104 ℃, 106 ℃, 108 ℃ or 110 ℃.

In the step D2, the total glue applying amount and the glue applying temperature of the secondary glue applying process need to be reasonably controlled, and the secondary glue applying amounts of the upper surface and the lower surface of the decorative paper need to be respectively controlled.

In the step D2, the total sizing amount of the secondary gum dipping may be 55%, 56%, 57%, 58%, 59%, 60% or any value in the range formed by any two of these points.

In the step D2, the sizing temperature of the secondary dipping can be 90 ℃, 92 ℃, 94 ℃, 96 ℃, 98 ℃, 100 ℃, 102 ℃, 104 ℃, 106 ℃, 108 ℃ or 110 ℃.

On the basis that the total glue applying amount of the secondary glue dipping meets the requirement, the respective secondary glue dipping amounts of the upper surface and the lower surface of the decorative paper are also important for realizing the mildew resistance.

In the step D2, the gum dipping amount on the primarily dipped decorative paper may be 58%, 59%, 60%, 61%, 62% of the total gum dipping amount of the secondarily dipped decorative paper and any value in the range formed by any two of these values.

In a preferred embodiment, in the step D2, the gum dipping amount on the first gum dipping decorative paper is 60% of the total gum dipping amount of the second gum dipping.

In the step D2, the gum dipping amount under the primary gum dipping decorative paper may be 38%, 39%, 40%, 41%, 42% of the total gum dipping amount of the secondary gum dipping and any value in the range formed by any two of these points.

In a preferred embodiment, in the step D2, the gum dipping amount under the primarily dipped decorative paper may be 40% of the total gum dipping amount of the secondarily dipped decorative paper.

In the preparation process of the secondary impregnation glue in the step D2, the nanometer titanium oxide and the nanometer zinc oxide are sequentially added into the melamine glue at a certain temperature step by step, the temperature of the glue in each step is controlled, and the adding amount of the nanometer titanium oxide and the nanometer zinc oxide in the glue is controlled, so that the mildew resistance is improved.

In the step D21, nanometer titanium oxide can be added into melamine glue at 40 ℃, 41 ℃, 42 ℃, 43 ℃ or 44 ℃, and the temperature can be reduced to 18 ℃, 19 ℃, 20 ℃, 21 ℃, 22 ℃ or 23 ℃ after the mixture is stirred uniformly.

In the step D21, the amount of the nano titanium oxide added may be controlled so that the nano titanium oxide content in the sizing water of the secondary gumming is 0.25 mass%, 0.26 mass%, 0.27 mass%, 0.28 mass%, 0.29 mass%, 0.3 mass%, 0.31 mass%, 0.32 mass%, 0.33 mass%, 0.34 mass%, or 0.35 mass%.

In a preferred embodiment, in the step D21, nano titanium oxide is added into melamine glue at 42 ℃, the temperature is reduced to 20 ℃ after uniform stirring, and the adding amount of the nano titanium oxide is controlled so that the content of the nano titanium oxide in the glue of the secondary gum dipping accounts for 0.3 mass percent.

In step D22, the nano zinc oxide can be added into the glue obtained in step D21 at 18 ℃, 19 ℃, 20 ℃, 21 ℃, 22 ℃ or 23 ℃ and stirred uniformly.

In step D22, the amount of added nano zinc oxide may be controlled so that the content of nano zinc oxide in the glue solution for the second glue dipping is 0.15 mass%, 0.16 mass%, 0.17 mass%, 0.18 mass%, 0.19 mass%, 0.2 mass%, 0.21 mass%, 0.22 mass%, 0.23 mass%, 0.24 mass%, or 0.25 mass%, and the temperature is raised to 24 ℃, 25 ℃, 26 ℃, 27 ℃, or 28 ℃ to obtain the second glue dipping solution.

In a preferred embodiment, adding nano zinc oxide into the glue water at 20 ℃ obtained in the step D21, uniformly stirring, controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue water for secondary gum dipping to be 2 mass%, and heating to 25 ℃ to obtain the secondary dipping glue water.

In the pre-curing step D3, in order to make the impregnated decorative paper and the substrate adhere better and improve the mildew resistance of the obtained decorative board, the secondary impregnated decorative paper obtained in the step D2 needs to be pre-cured by 48 to 52 percent.

In particular embodiments, the secondary gum-dipped decor paper from step D2 may be pre-cured by 48%, 49%, 50%, 51%, or 52%, preferably 50%.

In the preparation method of the mildewproof impregnated decorative paper, the temperature of the urea-formaldehyde resin glue in the step D1 is 20-30 ℃; specifically, for example, the temperature can be 20 ℃, 21 ℃, 22 ℃, 23 ℃, 24 ℃, 25 ℃, 26 ℃, 27 ℃, 28 ℃, 29 ℃ or 30 ℃.

In the preparation method of the mildew-proof impregnated decorative paper, in order to enhance the mildew-proof performance of the impregnated decorative paper, the preparation of the secondary impregnation glue is carried out in the high-speed stirring process, and the stirring time and the stirring speed of each step must be controlled.

In the step D21, the stirring speed is 1000-1800 rpm, and the stirring time is 15-25 minutes.

In particular embodiments, in step D21, the stirring rate may be 1000 rpm, 1050 rpm, 1100 rpm, 1150 rpm, 1200 rpm, 1250 rpm, 1300 rpm, 1350 rpm, 1400 rpm, 1450 rpm, 1500 rpm, 1550 rpm, 1600 rpm, 1650 rpm, 1700 rpm, 1750 rpm, or 1800 rpm; in step D21, the stirring time may be 15 minutes, 16 minutes, 17 minutes, 18 minutes, 19 minutes, 20 minutes, 21 minutes, 22 minutes, 23 minutes, 24 minutes, or 25 minutes.

In a preferred embodiment, in step D21, the stirring rate is 900 rpm and the stirring time is 20 minutes.

In the step D22, the stirring speed is 800-1300 rpm, and the stirring time is 12-18 minutes.

In particular embodiments, in step D22, the stirring rate may be 800 rpm, 850 rpm, 900 rpm, 950 rpm, 1000 rpm, 1100 rpm, 1150 rpm, 1200 rpm, 1250 rpm, or 1300 rpm; in step D22, the stirring time may be 12 minutes, 13 minutes, 14 minutes, 15 minutes, 16 minutes, 17 minutes, or 18 minutes.

In a preferred embodiment, in step D22, the stirring rate is 1050 rpm and the stirring time is 15 minutes.

The decorative paper prepared by the preparation method of the mildew-proof impregnated decorative paper has excellent mildew-proof performance after being laminated with base plates such as furniture plates, wall plates, door plates, floors and the like.

In a preferred embodiment, the active virus is an influenza a virus.

In a preferred embodiment, the bacteria comprise escherichia coli and/or staphylococcus aureus.

In a preferred embodiment, the mold comprises at least one of Aspergillus niger, Aspergillus terreus, Penicillium funiculosum, Paecilomyces variotii and Aureobasidium pullulans.

The present invention will be described in detail by way of examples, but the scope of the present invention is not limited thereto.

Examples 1-3 illustrate the specific preparation of a klebsiella pneumoniae resistant impregnated decor paper.

Example 1

A1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary impregnated decorative paper, and controlling the total gluing amount of primary impregnation to be 40% and the gluing temperature to be 100 ℃;

a2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 60 percent and the gluing temperature to be 110 ℃, wherein the dipping amount on the primary dipped decorative paper accounts for 60 percent of the total gluing amount, the dipping amount under the primary dipped decorative paper accounts for 40 percent of the total gluing amount,

a21, adding nano titanium oxide into melamine glue at 42 ℃, uniformly stirring, cooling to 20 ℃, and controlling the addition of the nano titanium oxide to enable the content of the nano titanium oxide in the glue subjected to secondary glue dipping to be 0.5 mass%;

a22, adding nano zinc oxide into the glue water at 20 ℃ obtained in the step A21, uniformly stirring, heating to 35 ℃, and controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue water for glue dipping for the second time to be 0.3 mass percent;

a23, adding nano copper sulfate into the glue at 35 ℃ obtained in the step A22, uniformly stirring, and controlling the adding amount of the nano copper sulfate to enable the content of the nano copper sulfate in the gluing glue subjected to secondary gum dipping to be 0.05 mass percent;

a24, adding nano silver oxide into the glue at 35 ℃ obtained in the step A23, uniformly stirring, controlling the adding amount of the nano silver oxide to enable the content of the nano silver oxide in the glue at the second gumming to be 0.05 mass%, and cooling to 25 ℃ to obtain the second gumming;

a3, pre-curing: and D, precuring the secondary impregnated decorative paper obtained in the step A2 by 50% to obtain impregnated decorative paper.

Example 2

A1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary impregnated decorative paper, and controlling the total gluing amount of primary impregnation to be 45% and the gluing temperature to be 90 ℃;

a2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 55 percent and the gluing temperature to be 100 ℃, wherein the glue dipping amount on the primary dipped decorative paper accounts for 58 percent of the total gluing amount, the glue dipping amount under the primary dipped decorative paper accounts for 42 percent of the total gluing amount,

a21, adding nano titanium oxide into melamine glue at 44 ℃, uniformly stirring, cooling to 23 ℃, and controlling the addition of the nano titanium oxide to enable the content of the nano titanium oxide in the glue subjected to secondary glue dipping to be 0.45 mass%;

a22, adding nano zinc oxide into the glue water at 23 ℃ obtained in the step A21, uniformly stirring, heating to 33 ℃, and controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue water for glue dipping for the second time to be 0.35 mass percent;

a23, adding nano copper sulfate into the glue at 33 ℃ obtained in the step A22, uniformly stirring, and controlling the adding amount of the nano copper sulfate to enable the content of the nano copper sulfate in the gluing glue subjected to secondary gum dipping to be 0.06 mass percent;

a24, adding nano silver oxide into the glue at 33 ℃ obtained in the step A23, uniformly stirring, controlling the adding amount of the nano silver oxide to enable the content of the nano silver oxide in the glue at the second impregnation to be 0.04 mass%, and cooling to 20 ℃ to obtain the second impregnation glue;

a3, pre-curing: and D, precuring the secondary impregnated decorative paper obtained in the step A2 for 52% to obtain impregnated decorative paper.

Example 3

A1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary impregnated decorative paper, and controlling the total gluing amount of primary impregnation to be 42% and the gluing temperature to be 110 ℃;

a2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 58% and the gluing temperature to be 90 ℃, wherein the glue dipping amount on the primary dipped decorative paper accounts for 62% of the total gluing amount, the glue dipping amount under the primary dipped decorative paper accounts for 38% of the total gluing amount,

a21, adding nano titanium oxide into melamine glue at 40 ℃, uniformly stirring, cooling to 18 ℃, and controlling the addition of the nano titanium oxide to enable the content of the nano titanium oxide in the glue subjected to secondary glue dipping to be 0.55 mass%;

a22, adding nano zinc oxide into the glue at 18 ℃ obtained in the step A21, uniformly stirring, heating to 38 ℃, and controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue for glue dipping for the second time to be 0.25 mass percent;

a23, adding nano copper sulfate into the glue at 38 ℃ obtained in the step A22, uniformly stirring, and controlling the adding amount of the nano copper sulfate to enable the content of the nano copper sulfate in the gluing glue subjected to secondary gum dipping to be 0.04 mass percent;

a24, adding nano silver oxide into the glue at 38 ℃ obtained in the step A23, uniformly stirring, controlling the adding amount of the nano silver oxide to enable the content of the nano silver oxide in the glue at the second gumming to be 0.06 mass percent, and cooling to 20-30 ℃ to obtain the second gumming;

a3, pre-curing: and D, pre-curing the secondary impregnated decorative paper obtained in the step A2 by 48% to obtain impregnated decorative paper.

Test example 1

The impregnated decorative papers obtained in examples 1 to 3 were hot-pressed with furniture boards to obtain antibacterial decorative boards, and the antibacterial decorative boards and the furniture boards without antibacterial treatment were tested for the performance against klebsiella pneumoniae by ISO22196:2011, and the test results are shown in table 1.

TABLE 1

As can be seen from the results in Table 1, the Klebsiella pneumoniae-resistant impregnated decorative paper prepared by the method provided by the invention has excellent Klebsiella pneumoniae-resistant performance.

Examples 4-6 serve to illustrate the specific preparation of the anti-active virus impregnated decor paper.

Example 4

B1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary impregnated decorative paper, and controlling the total gluing amount of primary impregnation to be 42% and the gluing temperature to be 100 ℃;

b2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 58% and the gluing temperature to be 90 ℃, wherein the glue dipping amount on the primary dipped decorative paper accounts for 60% of the total gluing amount, the glue dipping amount under the primary dipped decorative paper accounts for 40% of the total gluing amount,

b21, adding nano titanium oxide into melamine glue at 42 ℃, uniformly stirring, cooling to 20 ℃, and controlling the addition of the nano titanium oxide to enable the content of the nano titanium oxide in the glue subjected to secondary glue dipping to be 0.42 mass%;

b22, adding nano zinc oxide into the glue water at 20 ℃ obtained in the step B21, uniformly stirring, heating to 35 ℃, and controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue water for glue dipping for the second time to be 0.3 mass percent;

b23, adding nano copper sulfate into the 35 ℃ glue obtained in the step B22, uniformly stirring, controlling the adding amount of the nano copper sulfate to enable the content of the nano copper sulfate in the gluing glue subjected to secondary gum dipping to be 0.05 mass%, and cooling to 25 ℃ to obtain secondary dipping glue;

b3, pre-curing: and D, precuring the secondary impregnated decorative paper obtained in the step B2 by 50% to obtain impregnated decorative paper.

Example 5

B1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary impregnated decorative paper, and controlling the total gluing amount of primary impregnation to be 40% and the gluing temperature to be 110 ℃;

b2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 60 percent and the gluing temperature to be 100 ℃, wherein the dipping amount on the primary dipped decorative paper accounts for 62 percent of the total gluing amount, the dipping amount under the primary dipped decorative paper accounts for 38 percent of the total gluing amount,

b21, adding nano titanium oxide into the melamine glue at the temperature of 40 ℃, uniformly stirring, cooling to 18 ℃, and controlling the addition of the nano titanium oxide to enable the content of the nano titanium oxide in the glue after secondary glue dipping to be 0.45 mass percent;

b22, adding nano zinc oxide into the glue at 18 ℃ obtained in the step B21, uniformly stirring, heating to 33 ℃, and controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue for glue dipping for the second time to be 0.25 mass percent;

b23, adding nano copper sulfate into the glue at 33 ℃ obtained in the step B22, uniformly stirring, controlling the adding amount of the nano copper sulfate to enable the content of the nano copper sulfate in the gluing glue subjected to secondary gum dipping to be 0.04 mass%, and cooling to 20 ℃ to obtain secondary dipping glue;

b3, pre-curing: and D, pre-curing the secondary impregnated decorative paper obtained in the step B2 by 48% to obtain impregnated decorative paper.

Example 6

B1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary impregnated decorative paper, and controlling the total gluing amount of primary impregnation to be 45% and the gluing temperature to be 90 ℃;

b2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 55 percent and the gluing temperature to be 110 ℃, wherein the glue dipping amount on the primary dipped decorative paper accounts for 58 percent of the total gluing amount, the glue dipping amount under the primary dipped decorative paper accounts for 42 percent of the total gluing amount,

b21, adding nano titanium oxide into melamine glue water at the temperature of 44 ℃, uniformly stirring, cooling to 23 ℃, and controlling the addition of the nano titanium oxide to enable the content of the nano titanium oxide in the glue water subjected to secondary glue dipping to be 0.44 mass percent;

b22, adding nano zinc oxide into the glue water at 23 ℃ obtained in the step B21, uniformly stirring, heating to 38 ℃, and controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue water for glue dipping for the second time to be 0.35 mass percent;

b23, adding nano copper sulfate into the glue at 38 ℃ obtained in the step B22, uniformly stirring, controlling the adding amount of the nano copper sulfate to enable the content of the nano copper sulfate in the gluing glue subjected to secondary gum dipping to be 0.06 mass percent, and cooling to 30 ℃ to obtain secondary dipping glue;

b3, pre-curing: and D, precuring the secondary impregnated decorative paper obtained in the step B2 for 52% to obtain impregnated decorative paper.

Test example 2

The impregnated decorative papers obtained in examples 4 to 6 were hot-pressed with furniture boards to obtain anti-active virus decorative boards, and the anti-active virus decorative boards and furniture boards not treated with anti-active virus were tested for anti-influenza a virus performance by ISO21702:2019, and the test results are shown in tables 2 to 4, respectively.

Table 2 example 4 test results

Table 3 example 5 test results

Table 4 example 6 test results

As can be seen from the results in tables 2 to 4, the anti-active virus impregnated decorative paper prepared by the method of the invention has excellent anti-influenza A virus performance.

Examples 7-10 serve to illustrate the specific preparation of the antibacterial performance impregnated decor paper.

Example 7

C1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary impregnated decorative paper, and controlling the total gluing amount of primary impregnation to be 42% and the gluing temperature to be 98 ℃;

c2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 58% and the gluing temperature to be 90 ℃, wherein the glue dipping amount on the primary dipped decorative paper accounts for 60% of the total gluing amount, the glue dipping amount under the primary dipped decorative paper accounts for 40% of the total gluing amount,

c21, adding nano silver oxide into melamine glue at 42 ℃, uniformly stirring, cooling to 20 ℃, and controlling the addition of the nano silver oxide to enable the content of the nano silver oxide in the gluing glue subjected to secondary gum dipping to be 0.3 mass percent;

c22, adding nano zinc oxide into the glue water at the temperature of 20 ℃ obtained in the step C21, uniformly stirring, controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue water for secondary gum dipping to be 0.3 mass percent, and heating to 25 ℃ to obtain secondary dipping glue water;

c3, pre-curing: and D, precuring the secondary impregnated decorative paper obtained in the step C2 by 50% to obtain impregnated decorative paper.

Example 8

C1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary impregnated decorative paper, and controlling the total gluing amount of primary impregnation to be 45% and the gluing temperature to be 110 ℃;

c2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 55 percent and the gluing temperature to be 105 ℃, wherein the glue dipping amount on the primary dipped decorative paper accounts for 58 percent of the total gluing amount, the glue dipping amount under the primary dipped decorative paper accounts for 42 percent of the total gluing amount,

c21, adding nano silver oxide into 44 ℃ melamine glue, uniformly stirring, cooling to 18 ℃, and controlling the addition of the nano silver oxide to enable the content of the nano silver oxide in the gluing glue subjected to secondary gum dipping to be 0.35 mass percent;

c22, adding nano zinc oxide into the glue at 18 ℃ obtained in the step C21, uniformly stirring, controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue applying glue subjected to secondary glue dipping to be 0.25 mass%, and heating to 28 ℃ to obtain secondary glue dipping;

c3, pre-curing: and D, pre-curing the secondary impregnated decorative paper obtained in the step C2 by 48% to obtain impregnated decorative paper.

Example 9

C1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary impregnated decorative paper, and controlling the total gluing amount of primary impregnation to be 40% and the gluing temperature to be 90 ℃;

c2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 60 percent and the gluing temperature to be 110 ℃, wherein the dipping amount on the primary dipped decorative paper accounts for 62 percent of the total gluing amount, the dipping amount under the primary dipped decorative paper accounts for 38 percent of the total gluing amount,

c21, adding nano silver oxide into the melamine glue at the temperature of 40 ℃, uniformly stirring, cooling to 23 ℃, and controlling the addition of the nano silver oxide to enable the content of the nano silver oxide in the gluing glue subjected to secondary gum dipping to be 0.25 mass percent;

c22, adding nano zinc oxide into the glue water at 23 ℃ obtained in the step C21, uniformly stirring, controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue water for secondary gum dipping to be 0.35 mass%, and heating to 24 ℃ to obtain secondary dipping glue water;

c3, pre-curing: and D, precuring the secondary impregnated decorative paper obtained in the step C2 by 52% to obtain impregnated decorative paper.

Example 10

C1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary glue-impregnated decorative paper, and controlling the total gluing amount of primary glue impregnation to be 44% and the gluing temperature to be 103 ℃;

c2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 56 percent and the gluing temperature to be 95 ℃, wherein the glue dipping amount on the primary dipped decorative paper accounts for 61 percent of the total gluing amount, the glue dipping amount under the primary dipped decorative paper accounts for 39 percent of the total gluing amount,

c21, adding nano silver oxide into melamine glue at the temperature of 41 ℃, uniformly stirring, cooling to 22 ℃, and controlling the addition of the nano silver oxide to enable the content of the nano silver oxide in the gluing glue subjected to secondary gum dipping to be 0.32 mass percent;

c22, adding nano zinc oxide into the glue water at the temperature of 22 ℃ obtained in the step C21, uniformly stirring, controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue water for secondary gum dipping to be 0.28 mass percent, and heating to 27 ℃ to obtain secondary dipping glue water;

c3, pre-curing: and D, precuring the secondary impregnated decorative paper obtained in the step C2 by 51% to obtain the impregnated decorative paper.

Test example 3

The impregnated decorative papers obtained in examples 7 to 10 were respectively hot-pressed with furniture boards, wall boards, black floors and brown floors to obtain antibacterial decorative boards, and JC/T2039-.

TABLE 5

As can be seen from the results of table 5, the antibacterial impregnated decorative paper prepared by the method of the present invention has excellent antibacterial property.

Examples 11-13 are intended to illustrate the specific preparation of the mildew resistance test impregnated decor paper.

Example 11

D1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary impregnated decorative paper, and controlling the total gluing amount of primary impregnation to be 40% and the gluing temperature to be 100 ℃;

d2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 60 percent and the gluing temperature to be 90 ℃, wherein the glue dipping amount on the primary dipped decorative paper accounts for 60 percent of the total gluing amount, the glue dipping amount under the primary dipped decorative paper accounts for 40 percent of the total gluing amount,

d21, adding nano titanium oxide into the melamine glue at the temperature of 40 ℃, uniformly stirring, cooling to 20 ℃, and controlling the addition of the nano titanium oxide to enable the content of the nano titanium oxide in the glue after secondary glue dipping to be 0.25 mass percent;

d22, adding nano zinc oxide into the glue water at the temperature of 20 ℃ obtained in the step D21, uniformly stirring, controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue water for the secondary gum dipping to be 2 mass percent, and heating to 24 ℃ to obtain secondary dipping glue water;

d3, pre-curing: and D2, pre-curing the secondary gum dipping decorative paper obtained in the step D2 to obtain the dipping decorative paper.

Example 12

D1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary impregnated decorative paper, and controlling the total gluing amount of primary impregnation to be 42% and the gluing temperature to be 110 ℃;

d2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 58% and the gluing temperature to be 100 ℃, wherein the glue dipping amount on the primary dipped decorative paper accounts for 58% of the total gluing amount, the glue dipping amount under the primary dipped decorative paper accounts for 42% of the total gluing amount,

d21, adding nano titanium oxide into melamine glue water at the temperature of 44 ℃, uniformly stirring, cooling to 23 ℃, and controlling the addition of the nano titanium oxide to enable the content of the nano titanium oxide in the glue water subjected to secondary glue dipping to be 0.3 mass percent;

d22, adding nano zinc oxide into the glue water at 23 ℃ obtained in the step D21, uniformly stirring, controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue water for secondary gum dipping to be 1.5 mass%, and heating to 26 ℃ to obtain secondary dipping glue water;

d3, pre-curing: and D2, precuring the secondary gum dipping decorative paper obtained in the step D2 by 50% to obtain the dipping decorative paper.

Example 13

D1, primary gum dipping: impregnating the decorative paper in urea-formaldehyde resin glue on two sides, drying to obtain primary impregnated decorative paper, and controlling the total gluing amount of primary impregnation to be 45% and the gluing temperature to be 90 ℃;

d2, secondary gum dipping: dipping the primary dipped decorative paper in the secondary dipping glue to obtain secondary dipped decorative paper, controlling the total gluing amount of the secondary dipping to be 55 percent and the gluing temperature to be 110 ℃, wherein the dipping amount on the primary dipped decorative paper accounts for 62 percent of the total gluing amount, the dipping amount under the primary dipped decorative paper accounts for 38 percent of the total gluing amount,

d21, adding nano titanium oxide into melamine glue water at 42 ℃, uniformly stirring, cooling to 18 ℃, and controlling the addition of the nano titanium oxide to enable the content of the nano titanium oxide in the glue water subjected to secondary glue dipping to be 0.35 mass%;

d22, adding nano zinc oxide into the glue at 18 ℃ obtained in the step D21, uniformly stirring, controlling the adding amount of the nano zinc oxide to enable the content of the nano zinc oxide in the glue applying glue subjected to secondary glue dipping to be 2.5 mass%, and heating to 28 ℃ to obtain secondary glue dipping;

d3, pre-curing: and D2, precuring the secondary gum dipping decorative paper obtained in the step D2 for 52 percent to obtain the dipping decorative paper.

Test example 4

The impregnated decorative papers obtained in examples 11 to 13 were hot-pressed with furniture boards to obtain mildewproof decorative boards, and the mildewproof performance of the mildewproof decorative boards was tested by using JC/T2039-2010, and the test results are shown in table 6.

TABLE 6

As can be seen from the results in Table 6, the impregnation decorative paper prepared by the method of the invention has excellent antibacterial performance in mildew resistance detection.

The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.

Claims

1. The preparation method of the Klebsiella pneumoniae resistant impregnated decorative paper is characterized by comprising the following steps:

2. The method according to claim 1, characterized in that the temperature of the urea-formaldehyde resin glue in step a1 is 20-30 ℃;

preferably, in the step A21, the stirring speed is 1000-2000 r/min, and the stirring time is 25-35 min;

preferably, in the step A22, the stirring speed is 800-1500 rpm, and the stirring time is 12-20 minutes;

preferably, in the step A23, the stirring speed is 1200-1500 rpm, and the stirring time is 15-25 min;

3. A preparation method of an anti-active virus impregnated decorative paper is characterized by comprising the following steps:

4. The method according to claim 3, wherein the temperature of the urea-formaldehyde resin glue in step B1 is 20-30 ℃;

preferably, in the step B21, the stirring speed is 1000-2000 rpm, and the stirring time is 15-25 min;

preferably, in the step B22, the stirring speed is 800-1500 rpm, and the stirring time is 12-20 minutes;

5. An antibacterial impregnated decor paper, characterized in that the method comprises the following steps:

6. The method as claimed in claim 5, wherein the temperature of the urea formaldehyde glue in step C1 is 20-30 ℃;

preferably, in the step C21, the stirring speed is 1000-1800 rpm, and the stirring time is 15-25 minutes;

7. The preparation method of the impregnated decorative paper for detecting the mildew resistance is characterized by comprising the following steps:

8. The method according to claim 7, wherein the temperature of the urea formaldehyde glue in step D1 is 20-30 ℃;

preferably, in the step D21, the stirring speed is 1000-1800 rpm, and the stirring time is 15-25 minutes;

9. An impregnation d é cor paper produced by the process according to any of claims 1 to 8, characterized in that the impregnation d cor paper has resistance against klebsiella pneumoniae, against active viruses, against bacteria or against moulds.

10. The impregnation d cor paper of claim 9, characterized in that the active virus is influenza a virus;

preferably, the bacteria comprise escherichia coli and/or staphylococcus aureus;