CN115071221A - Wall cloth and preparation method thereof - Google Patents

Wall cloth and preparation method thereof Download PDF

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Publication number
CN115071221A
CN115071221A CN202110275699.2A CN202110275699A CN115071221A CN 115071221 A CN115071221 A CN 115071221A CN 202110275699 A CN202110275699 A CN 202110275699A CN 115071221 A CN115071221 A CN 115071221A
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China
Prior art keywords
cloth
flame
guar gum
wall
adhesive
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Granted
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CN202110275699.2A
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CN115071221B (en
Inventor
李祺
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Suzhou Hongru Culture Media Co ltd
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Suzhou Hongru Culture Media Co ltd
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    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/10—Next to a fibrous or filamentary 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J151/02—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to polysaccharides
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/002—Coverings or linings, e.g. for walls or ceilings made of webs, e.g. of fabrics, or wallpaper, used as coverings or linings
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/20—All layers being fibrous or filamentary
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0223—Vinyl resin fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B32B2262/067—Wood fibres
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
    • 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
    • B32B2607/00—Walls, panels
    • B32B2607/02—Wall papers, wall coverings

Abstract

The invention provides wall cloth which sequentially comprises surface layer cloth, a flame-retardant layer and bottom layer cloth; the surface layer cloth is connected with the flame-retardant layer through an adhesive, and the flame-retardant layer is connected with the bottom layer cloth through the adhesive. The base fabric is a wood pulp non-woven fabric, the surface fabric is a cotton fabric, and the flame-retardant layer is flame-retardant nitrile fabric. The wall cloth is simple in preparation method, the obtained product is durable, and the economic benefit and the social comprehensive benefit are very obvious. The wall cloth comprises the flame-retardant layer, can play roles in reinforcing the wall surface and retarding flame, is not easy to ignite in case of high temperature or sparks, and can further avoid the occurrence of fire accidents caused by ignition of the wall cloth. The bottom layer cloth is wood pulp non-woven fabric, the wood pulp fiber has high strength, also has the antibacterial and mildewproof effects, and has moderate price, durability, no toxicity, no harm and no pollution. The wall cloth can be widely used as interior decoration, especially interior decoration of schools, and can provide safer and better learning and living environment for students.

Description

Wall cloth and preparation method thereof
Technical Field
The invention belongs to the field of decorative cloth, and particularly relates to wall cloth and a preparation method thereof.
Background
With the improvement of living standard, people pay more and more attention to the interior decoration of buildings. Therefore, in recent years, many people have beautified indoor walls and ceilings by sticking wall cloths with various designs and colors to indoor walls and ceilings. The wall cloth is a special material which is pasted on the wall surface for decoration, and is a commonly used decoration material for the inner wall and the wall surface of a building. The decoration of the wall cloth mainly reflects culture, and the functional aspect reflects the safety, environmental protection, energy conservation and low carbon of the multifunctional polymerization. In order to improve the learning environment of students, wall cloth is also widely used in schools.
However, the existing wall cloth often has the defects of low tensile strength, poor fireproof performance of the wall cloth, easy falling of the coating from the wall cloth, easy tearing and damage of the wall cloth and the like. At present, wall cloth is mostly of a single-layer structure, only can beautify, cannot play a role in health care, and has fewer functions. The wall cloth is easy to be affected with damp, and particularly in southern areas with heavy moisture, the wall cloth is easy to mildew and rise after being affected with damp, and the attractiveness of the wall cloth is seriously affected. At present, wall cloth for decorating indoor wall surfaces is single-layer cotton cloth or chemical fiber cloth. Cotton cloth and chemical fabric have no flame retardant property, and are easy to ignite when meeting high temperature or sparks, so that fire disasters occur, and the fire extinguishment is very unsafe. Wall cloth in the prior art only plays a role in decoration and covering, and cannot play a role in reinforcing the wall surface.
From the basic characteristics and functional requirements of the wall cloth, the single-layer wall cloth cannot completely meet the requirements, and the glue penetration condition is easy to occur in the construction process, so that the appearance of the wall cloth decoration is influenced. At present, wall cloth made of a health-care material compounded between two layers of fabrics appears in the market, and the composite wall cloth is mainly formed by bonding through an adhesive, so that the selection of the adhesive is very important. Most adhesives generate formaldehyde and Volatile Organic Compounds (VOC) pollution when used.
Disclosure of Invention
In order to solve the above problems, the invention provides a wall cloth, which comprises a surface layer cloth, a flame retardant layer and a bottom layer cloth in sequence; the surface layer cloth is connected with the flame-retardant layer through an adhesive, and the flame-retardant layer is connected with the bottom layer cloth through the adhesive.
Preferably, the bottom layer cloth is wood pulp non-woven fabric, the surface layer cloth is cotton cloth, and the flame-retardant layer is flame-retardant nitrile cloth.
Preferably, the adhesive is a modified guar adhesive, and the preparation method of the guar modified adhesive comprises the following steps:
(1) pouring polyvinyl alcohol and water into a four-neck flask, putting the flask into an oil bath, and stirring;
(2) weighing guar gum, adding the guar gum into a flask, mixing and stirring the guar gum and the flask until the guar gum is completely dissolved, arranging a condenser tube, a stirrer and a constant-pressure dropping funnel in the four-neck flask, introducing nitrogen for protection, dropwise adding hydrogen peroxide, adding a coupling agent, and then adding an initiator;
(3) pre-emulsifying the monomers, pouring the pre-emulsified monomers into a constant-pressure dropping funnel, dropping the monomers at a controlled dropping speed, adding glycidyl methacrylate, reacting, heating, and continuing to react to obtain the guar gum modified adhesive.
Preferably, the coupling agent is a silane coupling agent.
Preferably, the initiator is selected from potassium persulfate or ammonium persulfate.
Preferably, the monomer is isooctyl acrylate.
Preferably, the mass percentage of the guar gum to the monomer is (1.5-1.9): 1.
preferably, the coupling agent accounts for 1.5-2.5% of the guar gum, and the glycidyl methacrylate accounts for 3-5% of the guar gum.
Preferably, the temperature is increased to 65-75 ℃ in the step (3).
The second aspect of the invention provides a preparation method of the wall cloth, wherein the base cloth is bonded with one surface of the flame-retardant layer by using the guar gum modified adhesive, and then the other surface of the flame-retardant layer is bonded with the surface cloth to obtain the wall cloth.
Compared with the prior art, the invention has the advantages and beneficial effects that:
(1) the wall cloth is simple and convenient in preparation method, relatively moderate in cost, durable in use, good in use effect and very remarkable in economic benefit and social comprehensive benefit.
(2) The wall cloth comprises a surface layer cloth, a flame-retardant layer and a bottom layer cloth which are compounded, wherein the adhesive is guar gum modified adhesive, the inventor selects isooctyl acrylate as a monomer and adds glycidyl methacrylate to prepare the guar gum modified adhesive, the isooctyl acrylate and the glycidyl methacrylate have good synergistic effect, and the wall cloth is prepared at a proper temperature, so that the reacted copolymer is increased, the adhesion is improved, and the performance of the wall cloth is improved. The guar gum modified adhesive obtained by the invention has good adhesive effect with the materials of the surface layer cloth, the flame retardant layer and the bottom layer cloth. The wall cloth has high tensile strength, good air permeability and good durability.
(3) The wall cloth comprises the flame-retardant layer, can play roles in reinforcing the wall surface and retarding flame, is not easy to ignite in case of high temperature or sparks, and can further avoid the occurrence of fire accidents caused by ignition of the wall cloth.
(4) The bottom layer cloth is wood pulp non-woven fabric, the wood pulp fiber has high strength, also has the antibacterial and mildewproof effects, and has moderate price, durability, no toxicity, no harm and no pollution.
The wall cloth can be widely used as interior decoration, especially interior decoration of schools, and can provide safer and better learning and living environment for students.
Detailed Description
The invention will be further understood by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. To the extent that a definition of a particular term disclosed in the prior art is inconsistent with any definitions provided herein, the definition of the term provided herein controls.
The invention provides wall cloth, which sequentially comprises surface layer cloth, a flame-retardant layer and bottom layer cloth; the surface layer cloth is connected with the flame-retardant layer through an adhesive, and the flame-retardant layer is connected with the bottom layer cloth through the adhesive.
In a preferred embodiment, the base fabric is a wood pulp nonwoven fabric, the top fabric is a cotton fabric, and the flame retardant layer is a flame retardant nitrile fabric.
Wood pulp non-woven fabric
The wood pulp nonwoven fabric is processed from natural cellulose fibers derived from wood. The wood pulp fiber has high strength and also has antibacterial and mildewproof effects. The absorbency characteristics of wood pulp fibers are primarily due to their polyhydroxy chemical structure.
In a preferred embodiment, the wood pulp nonwoven fabric is available from Hangzhou State proficiency practice Co.
Flame-retardant nitrile cloth
In a preferred embodiment, the flame-retardant nitrile fabric is available from Shanghai-Dong net industries, Inc.
Cotton cloth
In a preferred embodiment, the cotton cloth is purchased from the shoal group of Jiangsu.
In a preferred embodiment, the binder is a modified guar binder prepared by the method comprising:
(1) pouring polyvinyl alcohol and water into a four-neck flask, putting the flask into an oil bath, and stirring;
(2) weighing guar gum, adding the guar gum into a flask, mixing and stirring the guar gum and the flask until the guar gum is completely dissolved, arranging a condenser tube, a stirrer and a constant-pressure dropping funnel in the four-neck flask, introducing nitrogen for protection, dropwise adding hydrogen peroxide, adding a coupling agent, and then adding an initiator;
(3) pre-emulsifying the monomers, pouring the pre-emulsified monomers into a constant-pressure dropping funnel, controlling the dropping speed to drop the monomers, adding glycidyl methacrylate, reacting, heating, and continuing to react to obtain the guar gum modified adhesive.
In a preferred embodiment, the coupling agent is a silane coupling agent.
In a preferred embodiment, the initiator is selected from potassium persulfate or ammonium persulfate.
In a preferred embodiment, the initiator is selected from potassium persulfate.
In a preferred embodiment, the monomer is isooctyl acrylate.
Acrylic acid isooctyl ester
The monomer of the invention is selected from isooctyl acrylate, and the grafted product can form a uniform and compact adhesive film. Meanwhile, the adhesive prepared from isooctyl acrylate has better adhesion with the surface layer cloth, the flame-retardant layer and the bottom layer cloth, and the obtained wall cloth has stronger comprehensive performance.
In a preferred embodiment, the mass percentage of the guar gum to the monomer is (1.5-1.9): 1.
in a preferred embodiment, the coupling agent accounts for 1.5-2.5% of the guar gum by weight, and the glycidyl methacrylate accounts for 3-5% of the guar gum by weight.
In a preferred embodiment, the temperature in the step (3) is increased to 65-75 ℃.
The second aspect of the invention provides a preparation method of the wall cloth, which comprises the following steps: and adhering the bottom cloth and one surface of the flame-retardant layer by using the guar gum modified adhesive, and adhering the other surface of the flame-retardant layer and the surface cloth to obtain the wall cloth.
In a preferred embodiment, the preparation method of the wall cloth comprises the following steps: bonding the bottom cloth with one surface of the flame-retardant layer by using a guar gum modified adhesive, wherein the pressing temperature is 140 ℃, the pressing time is 35s, and the dosage of the guar gum modified adhesive is 350g/m 2 Then adding a flame-retardant layerOne side is adhered with surface cloth, the pressing temperature is 140 ℃, the pressing time is 40s, and the dosage of the guar gum modified adhesive is 380g/m 2 。
The reagent used in the invention is purchased from the following manufacturers:
gum Yuston import & export Limited, Suzhou
Polyvinyl alcohol (PVA1799) alcoholysis degree 98-99% Shanghai Milin Biochemical technology Co., Ltd
Isooctyl acrylate 99% Chishiai (Shanghai) chemical industry Co., Ltd
99% butyl acrylate Chishiai (Shanghai) chemical industry Co., Ltd
99% glycidyl methacrylate Shanghai Bailingwei science and technology Co., Ltd
Chemical reagent company Limited of pure Chinese medicine group for hydrogen peroxide (30%) analysis
Silane coupling agent KH 57098% Suzhou Patner chemical Co., Ltd
Chemical reagent of potassium persulfate analytically pure national medicine group Limited
Example 1
A wall cloth comprises a surface layer cloth, a flame-retardant layer and a bottom layer cloth in sequence; the surface layer cloth and the flame-retardant layer are connected through a modified guar gum modified adhesive, and the flame-retardant layer and the bottom layer cloth are connected through a modified guar gum modified adhesive. The bottom layer cloth is wood pulp non-woven cloth. The flame-retardant layer is flame-retardant nitrile cloth. The surface cloth is cotton cloth.
The preparation method of the guar gum modified adhesive comprises the following steps:
(1) 1.5g of polyvinyl alcohol (PVA1799) and water were poured into a four-necked flask, the flask was put in an oil bath, stirred with an electric stirrer at 65 ℃ for 30min,
(2) weighing 5g of guar gum, adding the guar gum into a flask, mixing and stirring the guar gum and the guar gum until the guar gum is completely dissolved, arranging a condenser pipe, a stirrer and a constant-pressure dropping funnel in the four-mouth flask, introducing nitrogen for protection, controlling the temperature to be 65 ℃, dropwise adding hydrogen peroxide (the hydrogen peroxide accounts for 2% of the mass of the guar gum), adding a certain amount of 0.1g of KH570 after 30min, reacting for 30min, and adding a proper amount of potassium persulfate to initiate for 30 min;
(3) pre-emulsifying 2.7g of isooctyl acrylate, pouring into a constant-pressure dropping funnel, controlling the dropping speed, dropping a monomer, adding 0.2g of glycidyl methacrylate, reacting for a period of time, heating to 65 ℃, continuing to react for 30min, and stopping the reaction to obtain the guar gum modified adhesive.
The preparation method of the wall cloth comprises the following steps: bonding the bottom cloth with one surface of the flame-retardant layer by using a guar gum modified adhesive, wherein the pressing temperature is 140 ℃, the pressing time is 35s, and the dosage of the guar gum modified adhesive is 350g/m 2 Then the other side of the flame-retardant layer is bonded with the surface layer cloth, the pressing temperature is 140 ℃, the pressing time is 40s, and the dosage of the guar gum modified adhesive is 380g/m 2 。
Comparative example 1
A wall cloth comprises a surface layer cloth, a flame-retardant layer and a bottom layer cloth in sequence; the surface layer cloth and the flame-retardant layer are connected through a modified guar gum modified adhesive, and the flame-retardant layer and the bottom layer cloth are connected through a modified guar gum modified adhesive. The bottom layer cloth is wood pulp non-woven cloth. The flame-retardant layer is flame-retardant nitrile cloth. The surface cloth is cotton cloth.
The preparation method of the guar gum modified adhesive comprises the following steps:
(1) 1.5g of polyvinyl alcohol (PVA1799) and water were poured into a four-necked flask, the flask was put in an oil bath, stirred with an electric stirrer at 65 ℃ for 30min,
(2) weighing 5g of guar gum, adding the guar gum into a flask, mixing and stirring the guar gum and the guar gum until the guar gum is completely dissolved, arranging a condenser pipe, a stirrer and a constant-pressure dropping funnel in the four-mouth flask, introducing nitrogen for protection, controlling the temperature to be 65 ℃, dropwise adding hydrogen peroxide (the hydrogen peroxide accounts for 2% of the mass of the guar gum), adding a certain amount of 0.1g of KH570 after 30min, reacting for 30min, and adding a proper amount of potassium persulfate to initiate for 30 min;
(3) pre-emulsifying 2.7g of butyl acrylate, pouring the pre-emulsified butyl acrylate into a constant-pressure dropping funnel, controlling the dropping speed to drop monomers, adding 0.2g of glycidyl methacrylate, reacting for a period of time, heating to 65 ℃, continuing to react for 30min, and stopping the reaction to obtain the guar gum modified adhesive.
The preparation method of the wall cloth comprises the following steps: bonding the bottom cloth with one surface of the flame-retardant layer by using a guar gum modified adhesive, pressing and ironing at the temperature of 140 ℃,the pressing time is 35s, and the dosage of the guar gum modified adhesive is 350g/m 2 Then the other side of the flame-retardant layer is bonded with the surface layer cloth, the pressing temperature is 140 ℃, the pressing time is 40s, and the dosage of the guar gum modified adhesive is 380g/m 2 。
Comparative example 2
A wall cloth comprises a surface layer cloth, a flame-retardant layer and a bottom layer cloth in sequence; the surface layer cloth and the flame-retardant layer are connected through a modified guar gum modified adhesive, and the flame-retardant layer and the bottom layer cloth are connected through a modified guar gum modified adhesive. The bottom layer cloth is wood pulp non-woven cloth. The flame-retardant layer is flame-retardant nitrile cloth. The surface cloth is cotton cloth.
The preparation method of the guar gum modified adhesive comprises the following steps:
(1) 1.5g of polyvinyl alcohol (PVA1799) and water were poured into a four-necked flask, the flask was put in an oil bath, stirred with an electric stirrer at 65 ℃ for 30min,
(2) weighing 5g of guar gum, adding the guar gum into a flask, mixing and stirring the guar gum and the guar gum until the guar gum is completely dissolved, arranging a condenser pipe, a stirrer and a constant-pressure dropping funnel in the four-mouth flask, introducing nitrogen for protection, controlling the temperature to be 65 ℃, dropwise adding hydrogen peroxide (the hydrogen peroxide accounts for 2% of the mass of the guar gum), adding a certain amount of 0.1g of KH570 after 30min, reacting for 30min, and adding a proper amount of potassium persulfate to initiate for 30 min;
(3) pre-emulsifying 2.5g of isooctyl acrylate, pouring into a constant-pressure dropping funnel, controlling the dropping speed, dropping a monomer, adding 0.2g of glycidyl methacrylate, reacting for a period of time, heating to 65 ℃, continuing to react for 30min, and stopping the reaction to obtain the guar gum modified adhesive.
The preparation method of the wall cloth comprises the following steps: bonding the bottom cloth with one surface of the flame-retardant layer by using a guar gum modified adhesive, wherein the pressing temperature is 140 ℃, the pressing time is 35s, and the dosage of the guar gum modified adhesive is 350g/m 2 Then the other side of the flame-retardant layer is bonded with the surface layer cloth, the pressing temperature is 140 ℃, the pressing time is 40s, and the dosage of the guar gum modified adhesive is 380g/m 2 。
Comparative example 3
A wall cloth comprises a surface layer cloth, a flame-retardant layer and a bottom layer cloth in sequence; the surface layer cloth and the flame-retardant layer are connected through a modified guar gum modified adhesive, and the flame-retardant layer and the bottom layer cloth are connected through a modified guar gum modified adhesive. The bottom layer cloth is wood pulp non-woven cloth. The flame-retardant layer is flame-retardant nitrile cloth. The surface cloth is cotton cloth.
The preparation method of the guar gum modified adhesive comprises the following steps:
(1) 1.5g of polyvinyl alcohol (PVA1799) and water were poured into a four-necked flask, the flask was put in an oil bath, stirred with an electric stirrer at 65 ℃ for 30min,
(2) weighing 5g of guar gum, adding the guar gum into a flask, mixing and stirring the guar gum and the guar gum until the guar gum is completely dissolved, arranging a condenser pipe, a stirrer and a constant-pressure dropping funnel in the four-mouth flask, introducing nitrogen for protection, controlling the temperature to be 65 ℃, dropwise adding hydrogen peroxide (the hydrogen peroxide accounts for 2% of the mass of the guar gum), adding a certain amount of 0.1g of KH570 after 30min, reacting for 30min, and adding a proper amount of potassium persulfate to initiate for 30 min;
(3) pre-emulsifying 3.5g of isooctyl acrylate, pouring into a constant-pressure dropping funnel, controlling the dropping speed, dropping a monomer, adding 0.2g of glycidyl methacrylate, reacting for a period of time, heating to 65 ℃, continuing to react for 30min, and stopping the reaction to obtain the guar gum modified adhesive.
The preparation method of the wall cloth comprises the following steps: bonding the bottom cloth with one surface of the flame-retardant layer by using a guar gum modified adhesive, wherein the pressing temperature is 140 ℃, the pressing time is 35s, and the dosage of the guar gum modified adhesive is 350g/m 2 Then the other side of the flame-retardant layer is bonded with the surface layer cloth, the pressing temperature is 140 ℃, the pressing time is 40s, and the dosage of the guar gum modified adhesive is 380g/m 2 。
Comparative example 4
A wall cloth comprises a surface layer cloth, a flame-retardant layer and a bottom layer cloth in sequence; the surface layer cloth and the flame-retardant layer are connected through a modified guar gum modified adhesive, and the flame-retardant layer and the bottom layer cloth are connected through a modified guar gum modified adhesive. The bottom layer cloth is wood pulp non-woven cloth. The flame-retardant layer is flame-retardant nitrile cloth. The surface cloth is cotton cloth.
The preparation method of the guar gum modified adhesive comprises the following steps:
(1) 1.5g of polyvinyl alcohol (PVA1799) and water were poured into a four-necked flask, the flask was put in an oil bath, stirred with an electric stirrer at 60 ℃ for 30min,
(2) weighing 5g of guar gum, adding the guar gum into a flask, mixing and stirring the guar gum and the guar gum until the guar gum is completely dissolved, arranging a condenser pipe, a stirrer and a constant-pressure dropping funnel in the four-mouth flask, introducing nitrogen for protection, controlling the temperature to be 60 ℃, dropwise adding hydrogen peroxide (the hydrogen peroxide accounts for 2% of the mass of the guar gum), adding a certain amount of 0.1g of KH570 after 30min, reacting for 30min, and adding a proper amount of potassium persulfate to initiate for 30 min;
(3) pre-emulsifying 2.7g of isooctyl acrylate, pouring into a constant-pressure dropping funnel, controlling the dropping speed, dropping a monomer, adding 0.2g of glycidyl methacrylate, reacting for a period of time, heating to 60 ℃, continuing to react for 30min, and stopping the reaction to obtain the guar gum modified adhesive.
The preparation method of the wall cloth comprises the following steps: bonding the bottom cloth with one surface of the flame-retardant layer by using a guar gum modified adhesive, wherein the pressing temperature is 140 ℃, the pressing time is 35s, and the dosage of the guar gum modified adhesive is 350g/m 2 Then the other side of the flame-retardant layer is bonded with surface layer cloth, the pressing temperature is 140 ℃, the pressing time is 40s, and the dosage of the guar gum modified adhesive is 380g/m 2 。
Performance testing
The wall coverings prepared in example 1 and comparative examples 1 to 4 were subjected to a performance test. The results are shown in Table 1.
1. Peeling strength: the test was performed according to GB/T2791-1995.
2. Longitudinal stretchability: the determination is carried out by using a Nantong Hongda HD026N multifunctional electronic fabric strength tester.
3. Flammability rating: the fire performance grades A, B1 and B2 of the decorative material are checked and judged according to the building material fire performance test method
4. Air permeability: measured using a Y561 fabric air permeameter.
Table 1 results of performance testing
Figure BDA0002976545750000081
The air permeability, longitudinal stretchability and peel strength of the wall covering of example 1 were found to be superior to those of comparative examples 1-4 by performance testing.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. A wall cloth, its characterized in that: sequentially comprises a surface layer cloth, a flame-retardant layer and a bottom layer cloth; the surface layer cloth is connected with the flame-retardant layer through an adhesive, and the flame-retardant layer is connected with the bottom layer cloth through the adhesive.
2. A wall covering as claimed in claim 1, wherein: the base fabric is a wood pulp non-woven fabric, the surface fabric is a cotton fabric, and the flame-retardant layer is flame-retardant nitrile fabric.
3. A wall covering as claimed in claim 2, wherein: the adhesive is a modified guar adhesive, and the preparation method of the guar adhesive comprises the following steps:
(1) pouring polyvinyl alcohol and water into a four-neck flask, putting the flask into an oil bath, and stirring;
(2) weighing guar gum, adding the guar gum into a flask, mixing and stirring the guar gum and the flask until the guar gum is completely dissolved, arranging a condenser tube, a stirrer and a constant-pressure dropping funnel in the four-neck flask, introducing nitrogen for protection, dropwise adding hydrogen peroxide, adding a coupling agent, and then adding an initiator;
(3) pre-emulsifying the monomers, pouring the pre-emulsified monomers into a constant-pressure dropping funnel, dropping the monomers at a controlled dropping speed, adding glycidyl methacrylate, reacting, heating, and continuing to react to obtain the guar gum modified adhesive.
4. A wall covering as claimed in claim 3, wherein: the coupling agent is a silane coupling agent.
5. A wall covering as claimed in claim 3, wherein: the initiator is selected from potassium persulfate or ammonium persulfate.
6. A wall covering as claimed in claim 3, wherein: the monomer is isooctyl acrylate.
7. A wall covering as claimed in claim 3, wherein: the mass percentage of the guar gum to the monomer is (1.5-1.9): 1.
8. a wall covering as claimed in claim 3, wherein: the weight ratio of the coupling agent to the guar gum is 1.5-2.5%, and the weight ratio of the glycidyl methacrylate to the guar gum is 3-5%.
9. A wall covering as claimed in claim 3, wherein: and (4) heating to 65-75 ℃ in the step (3).
10. A method for preparing a wall cloth according to any one of claims 1 to 9, characterized in that: and adhering the bottom cloth and one surface of the flame-retardant layer by using the guar gum modified adhesive, and adhering the other surface of the flame-retardant layer and the surface cloth to obtain the wall cloth.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101387080A (en) * 2008-09-24 2009-03-18 黄桔英 Wall cloth for decoration and preparation thereof
CN101768895A (en) * 2009-01-07 2010-07-07 湖北大学 Styrene-acrylate emulsion type high effective surface sizing agent and preparation method thereof
CN104452298A (en) * 2014-12-09 2015-03-25 丹东优耐特纺织品有限公司 Anti-electromagnetic radiation fabric coating adhesive and preparation method thereof
CN204914775U (en) * 2015-04-27 2015-12-30 锡山区锡北镇芙乐莎墙布厂 Wall paper with fire behaviour
CN107057615A (en) * 2017-05-23 2017-08-18 苏州大学 A kind of Guar viscose binder and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101387080A (en) * 2008-09-24 2009-03-18 黄桔英 Wall cloth for decoration and preparation thereof
CN101768895A (en) * 2009-01-07 2010-07-07 湖北大学 Styrene-acrylate emulsion type high effective surface sizing agent and preparation method thereof
CN104452298A (en) * 2014-12-09 2015-03-25 丹东优耐特纺织品有限公司 Anti-electromagnetic radiation fabric coating adhesive and preparation method thereof
CN204914775U (en) * 2015-04-27 2015-12-30 锡山区锡北镇芙乐莎墙布厂 Wall paper with fire behaviour
CN107057615A (en) * 2017-05-23 2017-08-18 苏州大学 A kind of Guar viscose binder and preparation method thereof

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