CN111663734B - Heat-insulating decorative plate based on polyurethane - Google Patents

Heat-insulating decorative plate based on polyurethane Download PDF

Info

Publication number
CN111663734B
CN111663734B CN202010542085.1A CN202010542085A CN111663734B CN 111663734 B CN111663734 B CN 111663734B CN 202010542085 A CN202010542085 A CN 202010542085A CN 111663734 B CN111663734 B CN 111663734B
Authority
CN
China
Prior art keywords
layer
decorative
polyurethane
woven fabric
heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202010542085.1A
Other languages
Chinese (zh)
Other versions
CN111663734A (en
Inventor
陈家珺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zibo Jinyu Steel Structure Co ltd
Original Assignee
Zibo Jinyu Steel Structure Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zibo Jinyu Steel Structure Co ltd filed Critical Zibo Jinyu Steel Structure Co ltd
Priority to CN202010542085.1A priority Critical patent/CN111663734B/en
Publication of CN111663734A publication Critical patent/CN111663734A/en
Application granted granted Critical
Publication of CN111663734B publication Critical patent/CN111663734B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • 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
    • 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
    • B32B5/16—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 features of a layer formed of particles, e.g. chips, powder or granules
    • 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
    • B32B5/18—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 features of a layer of foamed material
    • B32B5/20—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 features of a layer of foamed material foamed in situ
    • 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
    • B32B7/10—Interconnection of layers at least one layer having inter-reactive 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
    • 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
    • D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
    • D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/025—Particulate layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • 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
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0278—Polyurethane
    • 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
    • B32B2307/73—Hydrophobic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/10—Repellency against liquids
    • D06M2200/12—Hydrophobic properties

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a polyurethane-based heat-insulation decorative plate, which comprises a colloid non-woven fabric layer and a decorative layer, wherein a polyurethane raw material to be foamed is directly foamed between the colloid non-woven fabric layer and the decorative layer to obtain the decorative plate, then the decorative layer and the heat-insulation layer in the decorative plate are subjected to hydrophobic treatment, then a layer of JQ-1 glue is sprayed on the surface of the colloid non-woven fabric layer of the decorative plate subjected to hydrophobic treatment, and then the decorative plate is adhered and fixed on a substrate wall surface through a hydrophobic adhesive. According to the invention, the colloid non-woven fabric layer and the decorative layer are directly foamed, a large amount of carboxyl and sulfonic acid groups are introduced into the decorative layer, so that a large amount of glycol can be absorbed, and the glycol solution can react with isocyanate groups of polyurethane raw materials in the foaming process, so that the polyurethane heat-insulating layer and the supporting isolation layer are mutually fused at the interface, the adhesive property between the polyurethane heat-insulating layer and the decorative layer is further improved, and the decorative layer is not easy to crack and fall off.

Description

Heat-insulating decorative plate based on polyurethane
Technical Field
The invention belongs to the field of decorative plate preparation, and relates to a polyurethane-based heat-insulation decorative plate.
Background
The heated board by the wide application in building material, direct at building material's external fixation heated board, then at the outside bonding decorative layer of heated board, the decorative layer leads to producing with the heat preservation and is adopting the mode of separately-constructing to produce the hollowing easily or leak the viscosity on the scene, finally lead to partial finish coat fracture, drop, the heated board is direct to pass through the adhesive bonding on the wall body surface simultaneously, because the adhesive is direct and the heat preservation effect, adhesive property is lower, cause easily to peel off under great external force long-term effect and drop, the heat preservation on moist wall body surface simultaneously peels off with weing easily, cause the bonding insecure, the easy accident that takes place.
Disclosure of Invention
The invention aims to provide a polyurethane-based heat-insulating decorative board, which is characterized in that a colloid non-woven fabric layer and a decorative layer are directly foamed, a large amount of carboxyl and sulfonic acid groups are introduced into the decorative layer and can absorb a large amount of glycol, the glycol solution can react with isocyanate groups of polyurethane raw materials in the foaming process, so that the polyurethane heat-insulating layer and a supporting isolation layer are mutually fused at the interface, the adhesive property between the polyurethane heat-insulating layer and the decorative layer is further improved, the decorative layer is not easy to crack and fall off, meanwhile, a large amount of isocyanate groups are impregnated and adsorbed in the non-woven fabric layer and can react with the alcoholic hydroxyl groups of polyether polyol in a polyurethane foaming material, the adhesive property between the non-woven fabric layer and the heat-insulating layer is further improved, the common production of the decorative layer and the heat-insulating layer is effectively solved, and the phenomenon that hollowing or adhesive leakage is easily generated in, the heat insulation board is directly adhered to the surface of a wall body through the adhesive, and the adhesive is directly acted with the heat insulation layer, so that the heat insulation board is low in adhesive property and easy to peel off and fall off under the long-term action of large external force.
The purpose of the invention can be realized by the following technical scheme:
a heat-insulating decorative plate based on polyurethane comprises a colloidal non-woven fabric layer and a decorative layer, wherein a polyurethane raw material to be foamed is directly foamed between the colloidal non-woven fabric layer and the decorative layer to obtain a decorative plate with a heat-insulating layer firmly adhered in the middle, then the decorative layer and the heat-insulating layer in the decorative plate are subjected to hydrophobic treatment, then a layer of JQ-1 glue is sprayed on the surface of the colloidal non-woven fabric layer of the decorative plate after the hydrophobic treatment, and then the decorative plate is adhered and fixed on a substrate wall surface through a hydrophobic adhesive;
wherein the colloid non-woven fabric layer is prepared by loading JQ-1 glue on the surface of non-woven fabric; isocyanate groups in the JQ-1 adhesive can react with polyether polyol in polyurethane to improve the adhesive property of the heat-insulating layer and the colloidal non-woven fabric layer;
when the polyurethane raw material is foamed between the colloid non-woven fabric layer and the decorative layer, the decorative layer is soaked and adsorbed with glycol solution; the glycol solution can react with isocyanate groups of polyurethane raw materials, so that the polyurethane heat-insulating layer and the supporting isolation layer are mutually fused at the interface, the adhesive property between the polyurethane heat-insulating layer and the decorative layer is further improved, and the decorative layer is not easy to crack and fall off;
the hydrophobic treatment process of the decorative board comprises the following steps: adding the treating agent into a reaction container, heating to 50-55 ℃, then completely soaking the decorative plate in the treating agent, soaking for 25-30h, taking out and drying to obtain a hydrophobic decorative plate; the epoxy group in the treating agent can react with the amino group, the carboxyl group and the sulfonic group in the decorative layer, so that a layer of silane oxygen bond is introduced into the surface of the decorative layer, the prepared decorative layer has high hydrophobic property, the siloxane bond introduced into the acrylic emulsion inside the decorative layer enables the water absorption property of the decorative layer to be reduced although a large amount of water absorption groups are introduced into the decorative layer, meanwhile, the amino group generated after the reaction of the isocyanate group in the heat insulation layer can react with the epoxy group in the treating agent, so that the siloxane bond is introduced into the surface of the heat insulation layer, and meanwhile, the JQ-1 adhesive adsorbed on the surface of the colloidal non-woven fabric layer contains large isocyanate groups which can react with the epoxy group in the treating agent, so that a layer of siloxane bond is grafted on the surface of the whole decorative layer, and the hydrophobic property of the decorative layer is improved;
the treating agent is one or two of 3-glycidoxypropyltriethoxysilane or 3-glycidoxypropylmethyldimethoxysilane added into ethanol to prepare a treating agent solution with a mass concentration of 60%.
After the decorative board is subjected to hydrophobic treatment, a layer of JQ-1 glue is continuously coated on the surface of the colloidal non-woven fabric layer, hydroxyl generated by the ring-opening reaction of an epoxy group on the surface of the colloidal non-woven fabric layer and amino generated by the reaction of an isocyanate group are generated, the colloidal non-woven fabric layer is solid, the JQ-1 glue loaded on the colloidal non-woven fabric layer can not flow and can not react with the generated hydroxyl any more, and after a layer of JQ-1 glue is continuously coated, the generated hydroxyl can continuously react with the JQ-1 glue, so that the JQ-1 glue can be firmly adhered to the surface of the non-woven fabric layer, part of the isocyanate groups in the JQ-1 glue react, a large amount of the isocyanate groups are still unreacted and grafted on the surface of the non-woven fabric layer and can react with a hydrophobic adhesive, and the decorative board is firmly adhered and fixed on the wall surface of the substrate;
the polyurethane material to be foamed is prepared by uniformly stirring and mixing 100 parts of polyether polyol 3050, 10-13 parts of triethyl phosphate, 1.2-1.9 parts of silicone oil, 1.5-2.1 parts of dibutyltin dilaurate and 1-1.6 parts of distilled water, and then adding 112-118 parts of multi-time methyl polyphenyl polyisocyanate into the mixture and uniformly stirring the mixture;
the specific preparation process of the decorative layer is as follows:
step 1: dissolving sodium metabisulfite in water to prepare a sodium metabisulfite solution with the mass concentration of 50%, then simultaneously adding 3-glycidyl ether oxypropyl triethoxysilane and the sodium metabisulfite solution into a reaction kettle, heating to 75-80 ℃, stirring for reaction for 4-5h, evaporating under reduced pressure to remove water, then slowly adding concentrated hydrochloric acid, stirring for 1h, filtering out inorganic salts, concentrating the filtrate to half of the original filtrate, adding an ethanol solution with the mass concentration of 95%, freezing for 1-2h, filtering, and recrystallizing the obtained product with concentrated hydrochloric acid to obtain sulfo-group oxysilane;
preferably, in the step 1, 1.34kg of sodium metabisulfite solution is added into each kg of 3-glycidyl ether oxypropyl triethoxysilane, 300mL of concentrated hydrochloric acid is added, and 100mL of ethanol solution is added;
step 2: adding sulfooxy silane into water to prepare a modifier solution with the mass concentration of 30%, crushing and sieving soil and ore powder to obtain inorganic fine powder, adding the inorganic fine powder and the modifier solution into a reaction kettle simultaneously, heating to 105 ℃ and 110 ℃, stirring and refluxing for 5-6h, and then filtering and drying to obtain sulfonated inorganic fine powder; the sulfonic acid-based oxysilane contains siloxane bonds and can react with hydroxyl on the surface of the inorganic fine powder, so that sulfonic acid groups are introduced into the surface of the inorganic fine powder;
preferably, 2.5-2.6L of modifier solution is added into each kilogram of inorganic fine powder in the step 2;
and step 3: adding acrylamide, acrylic acid, methyl methacrylate, tetramethyl divinyl disiloxane, sodium dodecyl sulfate and water into a stirring kettle, stirring and pre-emulsifying for 30-40min, simultaneously adding ammonium persulfate into the water to prepare an initiator solution with the mass concentration of 40%, then adding 1/3 of a pre-emulsifier, a pH buffer sodium bicarbonate solution and water into the reaction kettle, controlling the pH to be stabilized at about 6, heating to 80 ℃ under stirring, dropwise adding the rest of the pre-emulsifier and the initiator solution into the reaction kettle after blue light appears, controlling the dropwise adding to be complete within 2h, then carrying out heat preservation reaction for 3-4h, cooling, filtering and discharging to obtain an acrylic emulsion; siloxane groups are introduced into the prepared acrylic emulsion to realize certain hydrophobic property, and simultaneously, a large amount of carboxyl and amino are introduced into the acrylic emulsion;
preferably, in step 3, the addition amount of sodium dodecyl sulfate is 3% of the total amount of the monomers, the addition amount of ammonium persulfate is 2.3% of the total amount of the monomers, and the ratio of the amounts of acrylic acid, acrylamide, methyl methacrylate and tetramethyl divinyl disiloxane is 1: 0.43-0.45:0.09-0.1: adding in the proportion of 0.16-0.17;
and 4, step 4: uniformly stirring and mixing sulfonated inorganic fine powder, acrylic emulsion, octyl polymethylsiloxane, azodicarbonamide, a coloring agent and water, coating the mixture on a template, curing at 80-140 ℃, and demolding to obtain a decorative layer, wherein a large amount of sulfonic acid groups are introduced into the sulfonated inorganic fine powder, and a large amount of carboxyl and amino are contained in the acrylic emulsion, so that a large amount of sulfonic acid groups, carboxyl and amino are introduced into the prepared decorative layer;
preferably, the sulfonated inorganic fine powder, the acrylic emulsion, the octyl methicone, the azodicarbonamide, the colorant and the water in the step 4 are mixed according to the mass ratio of 43-49: 36-38: 0-7: 2-7: 1-4: 3-8, and the colorant is water-soluble organic and inorganic pigment.
The hydrophobic adhesive is prepared by adding 6.8-6.9% of hydroxyl silicone oil into the adhesive of the external wall insulation board, uniformly mixing the purchased adhesive of the external wall insulation board and water according to the mass ratio of 4:1, adding the hydroxyl silicone oil into the mixture, and uniformly stirring and mixing the mixture to obtain the hydrophobic adhesive.
The specific preparation method of the polyurethane-based heat-insulation decorative plate comprises the following steps:
firstly, adding a non-woven fabric into JQ-1 glue, soaking for 3-5min, taking out, and drying to obtain a glue-coated non-woven fabric;
secondly, soaking the decorative layer in an ethylene glycol solution at the temperature of 60-65 ℃ for 20-24h, fishing out the decorative layer, wiping off redundant ethylene glycol on the surface, fixing the wiped decorative layer below a mold, fixing a glue-coated non-woven fabric on the mold, injecting a polyurethane material to be foamed into the mold, covering the mold, keeping the mold pressed, and opening the mold after the rigid polyurethane foam expands to obtain the decorative plate; at the moment, a polyurethane heat-insulating layer is formed between the decorative layer and the glued non-woven fabric, the polyurethane has certain bonding performance and can be bonded with the decorative layer and the glued non-woven fabric, meanwhile, because the polyurethane raw material contains a large number of isocyanate groups and can react with ethylene glycol soaked and adsorbed in the decorative layer, the polyurethane heat-insulating layer and the supporting and isolating layer are mutually fused at the interface, the bonding performance between the polyurethane heat-insulating layer and the decorative layer is further improved, the decorative layer is not easy to crack and fall off, and the surface of the glued non-woven fabric contains a large number of isocyanate groups and can react with alcoholic hydroxyl of polyether polyol contained in a polyurethane material to be foamed, so that the bonding strength between the non-woven fabric glued and the polyurethane heat-insulating layer is improved;
thirdly, adding the treating agent into a reaction container, heating to 60-65 ℃, then completely soaking the decorative plate in the heated treating agent, taking out and drying after soaking for 24-28h to obtain a hydrophobic decorative plate;
and fourthly, spraying a layer of JQ-1 adhesive on the surface of the non-woven fabric layer of the hydrophobic decorative plate, coating the hydrophobic adhesive on the surface of the non-woven fabric layer after the adhesive film is dried, wherein the coating thickness is 3.5-4mm, and then directly sticking the decorative plate on the wall surface of the matrix through the hydrophobic adhesive.
The invention has the beneficial effects that:
1. the invention directly foams between the colloid non-woven fabric layer and the decorative layer, because a large amount of carboxyl and sulfonic acid groups are introduced into the decorative layer, a large amount of glycol can be absorbed, the glycol solution can react with isocyanate groups of polyurethane raw materials in the foaming process, and further the polyurethane heat-insulating layer and the supporting and isolating layer are mutually fused at the interface, the adhesive property between the polyurethane heat-insulating layer and the decorative layer is further improved, the decorative layer is not easy to crack and fall off, simultaneously, because a large amount of isocyanate groups are impregnated and adsorbed in the non-woven fabric layer, the polyurethane heat-insulating layer can react with the alcoholic hydroxyl of polyether polyol in a polyurethane foaming material, and further the adhesive property between the non-woven fabric layer and the heat-insulating layer is improved, and further the problem that the common production of the decorative layer and the heat-insulating layer is easy to generate hollowing or adhesive leakage by adopting a separate construction mode on site is effectively solved, the heat insulation board is directly adhered to the surface of a wall body through the adhesive, and the adhesive is directly acted with the heat insulation layer, so that the heat insulation board is low in adhesive property and easy to peel off and fall off under the long-term action of large external force.
2. According to the invention, the decorative plate is subjected to hydrophobic treatment by the treating agent, so that the prepared decorative plate has higher hydrophobic property and can effectively prevent moisture.
3. According to the invention, the non-woven fabric layer is arranged on one surface of the decorative plate instead of being directly bonded with the wall body through the heat insulation layer, and the non-woven fabric layer has reduced roughness and large surface clearance compared with the heat insulation layer, so that the contact area between the hydrophobic adhesive and the decorative plate is enlarged, and the adhesive strength of the hydrophobic adhesive is improved.
4. According to the invention, the JQ-1 glue is sprayed on the non-woven fabric layer on the surface of the decorative plate, so that the reaction of the JQ-1 glue with hydroxyl in the hydrophobic adhesive is improved, and after hydroxyl silicone oil is added into the hydrophobic adhesive, siloxane bonds in the JQ-1 glue can react with inorganic materials in concrete, so that the adhesive property between the decorative plate and the concrete is further improved, and meanwhile, the hydrophobicity of the adhesive is improved due to the introduction of the hydroxyl silicone oil.
Detailed Description
In the preparation process of the decorative plate, each layer of material needs to be prepared, and performance test is carried out on each prepared layer of material, wherein the performance test of each layer of material in the embodiment of the invention refers to the following steps:
and (3) testing the peel strength: reference is made to GB/T2790-1995 test standard;
tensile shear strength test: reference is made to the GB/T7124-2008 test standard;
example 1:
the specific preparation process of the decorative layer is as follows:
step 1: dissolving sodium metabisulfite in water to prepare a sodium metabisulfite solution with the mass concentration of 50%, then simultaneously adding 1kg of 3-glycidyl ether oxypropyl triethoxysilane and 1.34kg of sodium metabisulfite solution into a reaction kettle, heating to 80 ℃, stirring for reaction for 4 hours, evaporating under reduced pressure to remove water, then slowly adding 300mL of concentrated hydrochloric acid, stirring for 1 hour, filtering out inorganic salts, concentrating the filtrate to half of the original filtrate, adding 100mL of ethanol solution with the mass concentration of 95%, freezing for 2 hours, filtering, and recrystallizing the obtained product with concentrated hydrochloric acid to obtain sulfo-group oxysilane; the product was subjected to infrared analysis IR (KBr) 3119cm-1(hydroxy); 1193cm-1And 1062cm-1(sulfonic acid group);
step 2: adding sulfooxy silane into water to prepare a modifier solution with the mass concentration of 30%, crushing and sieving soil and ore powder to obtain inorganic fine powder, adding 1kg of inorganic fine powder and 2.5L of modifier solution into a reaction kettle simultaneously, heating to 110 ℃, stirring and refluxing for 5 hours, filtering and drying to obtain sulfonated inorganic fine powder, carrying out infrared analysis on a product, and obtaining the sulfonated inorganic fine powder with the mass concentration of 1193cm-1An infrared absorption peak appears;
and step 3: adding 31g of acrylamide, 72g of acrylic acid, 9g of methyl methacrylate, 31g of tetramethyl divinyl disiloxane, 4.29g of sodium dodecyl sulfate and 40g of water into a stirring kettle, stirring for pre-emulsification for 30-40min, preparing 8.2g of initiator solution with the mass concentration of 40%, adding 1/3 of pre-emulsifier, pH buffer sodium bicarbonate solution and water into the reaction kettle, controlling the pH to be stabilized at about 6, heating to 80 ℃ under stirring, dropwise adding the rest of pre-emulsifier and initiator solution into the reaction kettle after blue light appears, controlling the dropwise adding to be complete within 2h, then carrying out heat preservation reaction for 3-4h, cooling, filtering and discharging to obtain acrylic emulsion;
and 4, step 4: 4.6kg of sulfonated inorganic fine powder, 3.7kg of acrylic emulsion, 0.3kg of octyl methicone, 0.2kg of azodicarbonamide, 0.2kg of colorant and 0.6kg of water are uniformly stirred and mixed, then the mixture is coated on a template, and the template is demoulded after being cured at 140 ℃ to obtain the decorative layer.
Soaking the prepared decorative layer in 65 ℃ ethylene glycol solution for 20h, fishing out the decorative layer, wiping off excessive ethylene glycol on the surface, and measuring the soaking absorption amount of the decorative layer to the ethylene glycol to be 102.87g/kg (the soaking absorption amount is (the mass of the support isolation layer after soaking and wiping-the mass of the support isolation layer before soaking)/the mass of the support isolation layer before soaking).
The sulfonic group in the sulfonated inorganic powder in the decorative layer and the carboxyl in the acrylic emulsion can react with the hydroxyl in the glycol to realize the absorption of the glycol, and meanwhile, the glycol is soaked in the sulfonic group and the amine organic matter is not soaked in the sulfonic group and the carboxyl in the acrylic emulsion, so that the amine organic matter has higher alkalinity, and further has certain influence on the inorganic powder material of the decorative layer.
Example 2:
the specific preparation process of the decorative layer is as follows:
step 1: crushing and sieving soil and ore powder to obtain inorganic fine powder, then weighing 3g of aminopropyltrimethoxysilane, adding the 3-aminopropyltrimethoxysilane into 3.5L of ethanol solution, stirring and mixing uniformly, adding 1kg of inorganic fine powder, heating to 110 ℃, stirring and refluxing for 3 hours, and then filtering and drying to obtain aminated inorganic fine powder;
step 2: adding 31g of acrylamide, 72g of acrylic acid, 9g of methyl methacrylate, 31g of tetramethyl divinyl disiloxane, 4.29g of sodium dodecyl sulfate and 40g of water into a stirring kettle, stirring for pre-emulsification for 30-40min, preparing 8.2g of initiator solution with the mass concentration of 40%, adding 1/3 of pre-emulsifier, pH buffer sodium bicarbonate solution and water into the reaction kettle, controlling the pH to be stabilized at about 6, heating to 80 ℃ under stirring, dropwise adding the rest of pre-emulsifier and initiator solution into the reaction kettle after blue light appears, controlling the dropwise adding to be complete within 2h, then carrying out heat preservation reaction for 3-4h, cooling, filtering and discharging to obtain acrylic emulsion;
and step 3: 4.6kg of aminated inorganic fine powder, 3.7kg of acrylic emulsion, 0.3kg of octyl methicone, 0.2kg of azodicarbonamide, 0.2kg of colorant and 0.6kg of water are uniformly stirred and mixed, then the mixture is coated on a template, and the template is demoulded after being cured at 140 ℃ to obtain the decorative layer.
The measured immersion absorption amount of the decorative layer to the glycol is 65.32g/kg, and the acting force between the amination inorganic fine powder and the glycol is weak, so that the content of the absorbed glycol is reduced.
Example 3:
the specific procedure for preparing the decorative layer was the same as in example 1, except that the sulfonated inorganic fine powder was not prepared, but was replaced with inorganic fine powder obtained by pulverizing and sieving clay or ore powder.
The impregnation absorption amount of the decorative layer to the glycol is measured to be 60.91g/kg, and the reaction sites of the inorganic fine powder to the glycol are reduced due to the fact that no sulfonic acid group is introduced into the inorganic fine powder, and the absorption amount of the glycol is further reduced.
Example 4:
the specific preparation process of the decorative layer was the same as in example 1, wherein acrylamide was not added during the preparation of the acrylic emulsion, and the addition amount ratio of tetramethyldivinyldisiloxane, acrylic acid and methyl methacrylate was unchanged.
The impregnation absorption of the decorative layer to ethylene glycol was determined to be 103.06 g/kg. The acrylamide is not added, so that the introduced amount of acrylic acid in the acrylic emulsion is increased, the content of carboxyl is increased, and the content of ethylene glycol is increased.
Example 5:
the specific preparation process of the decorative layer was the same as in example 1, wherein tetramethyldivinyldisiloxane was not added during the preparation of the acrylic emulsion, and the addition amounts of acrylamide, acrylic acid and methyl methacrylate were unchanged.
The impregnation absorption of the decorative layer to ethylene glycol was determined to be 103.58 g/kg. The absence of tetramethyldivinyldisiloxane increases the acrylic acid incorporation level in the acrylic emulsion and the carboxyl content, which increases the ethylene glycol content.
Example 6:
the specific preparation method of the polyurethane-based heat-insulation decorative plate comprises the following steps:
firstly, adding a non-woven fabric into JQ-1 glue, soaking for 3-5min, taking out, and drying to obtain a glue-coated non-woven fabric;
secondly, 1kg of polyether polyol 3050, 129g of triethyl phosphate, 16g of silicone oil, 18g of dibutyltin dilaurate and 13g of distilled water are stirred and mixed uniformly, then 1.15kg of multi-time methyl polyphenyl polyisocyanate is added into the mixture and stirred uniformly to obtain a to-be-foamed polyurethane material, then the decorative layer prepared in example 1 is soaked in an ethylene glycol solution at 65 ℃ for 20 hours, the decorative layer is fished out and the redundant ethylene glycol on the surface is wiped off, then the wiped decorative layer is fixed under a mold (the decorative surface of the decorative layer is downward, the other surface of the decorative layer is contacted with polyurethane), meanwhile, a glue-coated non-woven fabric is fixed on the upper surface of the mold, then the to-be-foamed polyurethane material is injected into the mold, the mold is covered and kept for mold pressing, and the mold is opened after the rigid polyurethane foam is fixed, so as to obtain the decorative plate;
and thirdly, adding 3-glycidyl ether oxypropyltriethoxysilane into ethanol to prepare a treating agent solution with the mass concentration of 60%, adding the treating agent solution into a reaction container, heating to 65 ℃, completely soaking the decorative plate in the heated treating agent solution, taking out and drying after soaking for 28 hours, and thus obtaining the hydrophobic decorative plate.
Measuring the water absorption of the hydrophobic decorative board to be 0.61%; (the water absorption is determined by drying the hydrophobic decorative plate in a neutralization oven at 70 ℃ to a constant weight, weighing the hydrophobic decorative plate to a mass of M0, immersing the hydrophobic decorative plate in water under pressure, absorbing excess water on the surface of the hydrophobic decorative plate with absorbent paper, weighing the hydrophobic decorative plate to a mass of M1, and calculating the water absorption of the hydrophobic decorative plate to be (M1-M0)/M0 x 100%).
The acrylic emulsion introduced into the decorative layer contains amino, so that the acrylic emulsion can react with epoxy groups in the treating agent, a layer of siloxane bonds is introduced into the surface of the decorative layer, the prepared decorative layer has high hydrophobic performance, meanwhile, the amino introduced into the heat insulation layer can react with the epoxy groups, a layer of silane bonds is introduced into the surface of the heat insulation layer, the hydrophobic performance of the decorative layer is improved, meanwhile, the acrylic emulsion in the decorative layer contains a large number of siloxane bonds, so that the interior of the decorative layer has certain hydrophobic performance, meanwhile, the adhesive-coated non-woven fabric contains isocyanate groups and can react with the epoxy groups, the siloxane bonds are introduced into the surface of the adhesive-coated non-woven fabric, and the high hydrophobic performance is realized.
The peel strength of the decorative layer and the polyurethane heat-insulating layer in the decorative plate is measured to be 60.38N/25mm, and the peel strength between the polyurethane heat-insulating layer and the colloid non-woven fabric layer is measured to be 42.08N/25 mm; because the polyurethane raw material contains a large amount of isocyanate groups, the polyurethane raw material can react with glycol impregnated and adsorbed in the decorative layer, so that the polyurethane heat-insulating layer and the interface of the supporting and isolating layer are mutually fused, the adhesive property between the polyurethane heat-insulating layer and the decorative layer is further improved, the decorative layer is not easy to crack and fall off, the surface of the glue-coated non-woven fabric contains a large amount of isocyanate groups, the isocyanate groups can react with alcoholic hydroxyl groups of polyether polyol contained in a polyurethane material to be foamed, and the adhesive strength between the glue-coated non-woven fabric and the polyurethane heat-insulating layer is further improved.
Example 7:
a specific method for manufacturing a polyurethane-based heat-insulating decorative sheet was the same as in example 6, except that the decorative layer prepared in example 1 used in example 6 was replaced with the decorative layer prepared in example 2.
The water absorption of the hydrophobic decorative board was measured to be 0.6%.
The peel strength of the decorative layer and the polyurethane heat-insulating layer in the decorative plate is measured to be 52.19N/25mm, and the peel strength between the polyurethane heat-insulating layer and the colloid non-woven fabric layer is measured to be 42.08N/25 mm; because the content of the ethylene glycol absorbed in the decorative layer is reduced, the bonding surface between the decorative layer and the heat-insulating layer which are mutually fused is reduced, and further the bonding strength is reduced, but because the amino introduced into the surface of the inorganic powder can react with the isocyanate in the polyurethane raw material, the bonding performance can be improved to a certain extent.
Example 8:
a specific method for manufacturing a polyurethane-based heat-insulating decorative sheet was the same as in example 6, except that the decorative layer prepared in example 1 used in example 6 was replaced with the decorative layer prepared in example 3.
The water absorption of the hydrophobic decorative board was measured to be 0.63%.
The peel strength of the decorative layer and the polyurethane heat-insulating layer in the decorative plate is measured to be 49.36N/25mm, and the peel strength between the polyurethane heat-insulating layer and the colloid non-woven fabric layer is measured to be 42.08N/25 mm.
Example 9:
a specific method for manufacturing a polyurethane-based heat-insulating decorative sheet was the same as in example 6, except that the decorative layer prepared in example 1 used in example 6 was replaced with the decorative layer prepared in example 4.
The water absorption of the hydrophobic decorative board is measured to be 7.54%, and because no amino is introduced into the decorative layer, a large amount of siloxane bonds cannot be introduced into the surface of the decorative layer, so that the hydrophobic performance of the hydrophobic decorative board is reduced.
The peel strength of the decorative layer and the polyurethane heat-insulating layer in the decorative plate is measured to be 60.56N/25mm, and the peel strength between the polyurethane heat-insulating layer and the colloid non-woven fabric layer is measured to be 42.08N/25 mm.
Example 10:
a specific method for manufacturing a polyurethane-based heat-insulating decorative sheet was the same as in example 6, except that the decorative layer prepared in example 1 used in example 6 was replaced with the decorative layer prepared in example 5.
The water absorption of the hydrophobic decorative board is measured to be 0.98%, and the overall hydrophobic performance of the decorative board is slightly reduced because no siloxane bond is introduced into the decorative layer.
The peel strength of the decorative layer and the polyurethane heat-insulating layer in the decorative plate is measured to be 60.68N/25mm, and the peel strength between the polyurethane heat-insulating layer and the colloid non-woven fabric layer is measured to be 42.08N/25 mm.
Example 11:
the specific preparation method of the polyurethane-based heat-insulation decorative board is the same as that in the embodiment 6, the non-woven fabric is directly used as the glue-coated non-woven fabric in the embodiment 6, and the JQ-1 glue is not loaded.
Measuring the water absorption of the hydrophobic decorative board to be 1.81 percent;
the peel strength of the decorative layer and the polyurethane heat-insulating layer in the decorative plate is measured to be 60.38N/25mm, the peel strength between the polyurethane heat-insulating layer and the non-woven fabric layer is measured to be 24.16N/25mm, and after the decorative plate is adhered to a wall, the decorative plate is easy to peel off from the bonding position of the non-woven fabric and the heat-insulating layer due to the fact that the bonding strength of the heat-insulating layer and the non-woven fabric layer is weak.
Example 12:
the specific preparation method of the polyurethane-based heat-insulation decorative plate comprises the following steps:
the first step is as follows: soaking the decorative layer prepared in the example 1 in a 65 ℃ ethylene glycol solution for 20 hours, fishing out the decorative layer, wiping off redundant ethylene glycol on the surface, fixing the wiped decorative layer below a mold (the decorative surface of the decorative layer is downward, and the other surface of the decorative layer is in contact with polyurethane), injecting the to-be-foamed polyurethane material in the example 6 into the mold, covering the mold, keeping the mold pressing, and opening the mold after the rigid polyurethane foam expands to obtain the decorative layer;
and thirdly, adding 3-glycidyl ether oxypropyltriethoxysilane into ethanol to prepare a treating agent solution with the mass concentration of 60%, adding the treating agent solution into a reaction container, heating to 65 ℃, completely soaking the decorative plate in the heated treating agent solution, taking out and drying after soaking for 28 hours, and thus obtaining the hydrophobic decorative plate.
Measuring the water absorption of the hydrophobic decorative board to be 0.62%;
the peel strength of the decorative layer and the polyurethane heat-insulating layer in the decorative plate is measured to be 60.38N/25 mm.
Example 13:
the bonding process of the polyurethane-based heat-insulation decorative plate comprises the following steps: spraying a layer of JQ-1 glue on the surface of the non-woven fabric layer of the hydrophobic decorative board prepared in the embodiment 6, coating a hydrophobic adhesive on the surface of the non-woven fabric layer after the glue film is dried, wherein the coating thickness is 3.5-4mm, and then directly sticking the decorative board on the wall surface of a substrate through the hydrophobic adhesive, wherein the hydrophobic adhesive is used for uniformly mixing an external wall insulation board adhesive (purchased from Shenyang Haidan building material factories) and water according to the mass ratio of 4:1, and then adding hydroxyl silicone oil into the mixture, wherein the adding amount of the hydroxyl silicone oil is 6.8% of the mass of the external wall insulation board adhesive.
Example 14:
the bonding process of the polyurethane-based heat-insulation decorative plate comprises the following steps: the surface of the non-woven fabric layer of the hydrophobic decorative board prepared in the example 6 is sprayed with a layer of JQ-1 glue, after the glue film is dried, the hydrophobic adhesive is coated on the surface of the non-woven fabric layer, the coating thickness is 3.5-4mm, and then the decorative board is directly adhered to the surface of a substrate wall through the adhesive, wherein the adhesive is prepared by uniformly mixing the adhesive of the exterior wall insulation board (purchased from Shenyang Haidan building material factories) and water according to the mass ratio of 4:1 in the using process.
Example 15:
the bonding process of the polyurethane-based heat-insulation decorative plate comprises the following steps: the surface of the non-woven fabric layer of the hydrophobic decorative sheet prepared in example 6 was directly coated with a hydrophobic adhesive to a thickness of 3.5 to 4mm, and then the decorative sheet was directly adhered to the surface of the substrate wall by the adhesive, wherein the hydrophobic adhesive was the same as in example 13.
Example 16:
the bonding process of the polyurethane-based heat-insulation decorative plate comprises the following steps: a layer of JQ-1 glue is sprayed on the surface of the heat insulation layer of the hydrophobic decorative board prepared in the embodiment 6, after the glue film is dried, a hydrophobic adhesive is coated on the surface of the heat insulation layer, the coating thickness is 3.5-4mm, and then the decorative board is directly adhered to the wall surface of a substrate through the hydrophobic adhesive, wherein the hydrophobic adhesive is the hydrophobic adhesive used in the embodiment 13.
Test example:
replacing the direct sticking of the decorative plate on the wall surface of the substrate by the hydrophobic adhesive in the embodiments 13 to 16 with the direct sticking of the decorative plate on the surface of the concrete sample by the hydrophobic adhesive, and measuring the tensile shear strength between the decorative plate and the concrete sample; simultaneously, directly sticking the same decorative plate on the surface of a concrete test piece through a hydrophobic adhesive, soaking the concrete test piece in water for 5 days, wiping off surface moisture, and determining the tensile shear strength between the decorative plate and the concrete test piece, wherein the specific determination structure is shown in table 1:
table 1: examples 13 to 16 were each a tensile shear strength (MPa) between the decorative plate and the concrete before and after immersion in water.
Figure GDA0002959143450000141
As can be seen from Table 1, after a layer of JQ-1 glue is sprayed on the prepared decorative board, the reaction of the decorative board and hydroxyl in a hydrophobic adhesive is improved, meanwhile, after hydroxyl silicone oil is added into the hydrophobic adhesive, siloxane bonds in the decorative board can react with inorganic materials in concrete, the adhesive property between the decorative board and the concrete is further improved, meanwhile, the introduction of the hydroxyl silicone oil improves the hydrophobicity of the adhesive, in example 14, the action force between the hydrophobic adhesive and the concrete is weakened due to the fact that the hydroxyl silicone oil is not added, in example 15, the JQ-1 glue is not sprayed on the decorative board, the action between the decorative board and the hydrophobic adhesive is reduced, in example 16, a composite non-woven fabric layer is not arranged in the decorative board, the insulating layer is directly used for adhesion, the roughness of the insulating layer is reduced compared with the non-woven fabric layer, the surface gap is small, and the contact area between the hydrophobic adhesive and the decorative board is reduced, reducing its adhesive strength.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. A heat-insulating decorative plate based on polyurethane is characterized by comprising a colloid non-woven fabric layer and a decorative layer, wherein glycol solution is soaked and adsorbed in the decorative layer, polyurethane raw materials to be foamed are directly foamed between the colloid non-woven fabric layer and the decorative layer to obtain the decorative plate with a heat-insulating layer firmly adhered in the middle, then the decorative layer and the heat-insulating layer in the decorative plate are subjected to hydrophobic treatment, then a layer of JQ-1 glue is sprayed on the surface of the colloid non-woven fabric layer of the decorative plate subjected to hydrophobic treatment, and then the decorative plate is adhered and fixed on the wall surface of a substrate through a hydrophobic adhesive;
the colloid non-woven fabric layer is prepared by loading JQ-1 glue on the surface of non-woven fabric;
the specific preparation process of the decorative layer is as follows:
step 1: dissolving sodium metabisulfite in water to prepare a sodium metabisulfite solution with the mass concentration of 50%, then simultaneously adding 3-glycidyl ether oxypropyl triethoxysilane and the sodium metabisulfite solution into a reaction kettle, heating to 75-80 ℃, stirring for reaction for 4-5h, evaporating under reduced pressure to remove water, then slowly adding concentrated hydrochloric acid, stirring for 1h, filtering out inorganic salts, concentrating the filtrate, adding an ethanol solution with the mass concentration of 95%, freezing for 1-2h, filtering, and recrystallizing the obtained product with the concentrated hydrochloric acid to obtain sulfo-oxysilane;
step 2: adding sulfooxy silane into water to prepare a modifier solution with the mass concentration of 30%, crushing and sieving soil and ore powder to obtain inorganic fine powder, adding the inorganic fine powder and the modifier solution into a reaction kettle simultaneously, heating to 105 ℃ and 110 ℃, stirring and refluxing for 5-6h, and then filtering and drying to obtain sulfonated inorganic fine powder;
and step 3: adding acrylamide, acrylic acid, tetramethyl divinyl disiloxane, sodium dodecyl sulfate and water into a stirring kettle, stirring and pre-emulsifying for 30-40min, simultaneously adding ammonium persulfate into the water to prepare an initiator solution with the mass concentration of 40%, then adding 1/3 of a pre-emulsifier, a pH buffer sodium bicarbonate solution and water into the reaction kettle, heating to 80 ℃ under stirring, dropwise adding the rest of the pre-emulsifier and the initiator solution after blue light appears, controlling the dropwise adding to be complete within 2h, then carrying out heat preservation reaction for 3-4h, cooling, filtering and discharging to obtain an acrylic emulsion;
and 4, step 4: uniformly stirring and mixing the sulfonated inorganic fine powder, acrylic emulsion, octyl polymethylsiloxane, azodicarbonamide, a coloring agent and water, coating the mixture on a template, curing at the temperature of 80-140 ℃, and demoulding to obtain the decorative layer.
2. An insulation decorative board based on polyurethane according to claim 1, characterized in that the hydrophobic treatment process of the decorative board is as follows: and adding the treating agent into a reaction container, heating to 50-55 ℃, completely soaking the decorative plate in the treating agent, soaking for 25-30h, taking out and drying to obtain the hydrophobic decorative plate.
3. The heat-insulating decorative board based on polyurethane as claimed in claim 2, wherein the treating agent is one or two of 3-glycidoxypropyltriethoxysilane and 3-glycidoxypropylmethyldimethoxysilane added into ethanol to prepare a treating agent solution with a mass concentration of 60%.
4. The heat-insulating decorative board based on polyurethane as claimed in claim 1, wherein in step 1, 1.34kg of sodium metabisulfite solution, 300mL of concentrated hydrochloric acid and 100mL of ethanol solution are added to each kg of 3-glycidoxypropyltriethoxysilane.
5. The heat-insulating decorative board based on polyurethane of claim 1, wherein in step 3, the addition amount of sodium dodecyl sulfate is 3% of the total amount of the monomers, the addition amount of ammonium persulfate is 1.9% of the total amount of the monomers, and the ratio of the amount of the acrylic acid, the acrylamide and the tetramethyldivinyldisiloxane is 1: 0.43-0.45: 0.16-0.17.
6. The polyurethane-based heat-insulating decorative board as claimed in claim 1, wherein the hydrophobic adhesive is prepared by adding 6.8-6.9 wt% of hydroxyl silicone oil to the adhesive of the heat-insulating board for the outer wall.
7. The polyurethane-based heat-insulation decorative plate according to claim 1 is prepared by the following specific method:
firstly, adding a non-woven fabric into JQ-1 glue, soaking for 3-5min, taking out, and drying to obtain a glue-coated non-woven fabric;
secondly, soaking the decorative layer in an ethylene glycol solution at the temperature of 60-65 ℃ for 20-24h, fishing out the decorative layer, wiping off redundant ethylene glycol on the surface, fixing the wiped decorative layer below a mold, fixing a glue-coated non-woven fabric on the mold, injecting a polyurethane material to be foamed into the mold, covering the mold, keeping the mold pressed, and opening the mold after the rigid polyurethane foam expands to obtain the decorative plate;
thirdly, adding the treating agent into a reaction container, heating to 60-65 ℃, then completely soaking the decorative plate in the heated treating agent, taking out and drying after soaking for 24-28h to obtain a hydrophobic decorative plate;
and fourthly, spraying a layer of JQ-1 adhesive on the surface of the non-woven fabric layer of the hydrophobic decorative plate, coating the hydrophobic adhesive on the surface of the non-woven fabric layer after the adhesive film is dried, wherein the coating thickness is 3.5-4mm, and then directly sticking the decorative plate on the wall surface of the matrix through the hydrophobic adhesive.
CN202010542085.1A 2020-06-15 2020-06-15 Heat-insulating decorative plate based on polyurethane Expired - Fee Related CN111663734B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010542085.1A CN111663734B (en) 2020-06-15 2020-06-15 Heat-insulating decorative plate based on polyurethane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010542085.1A CN111663734B (en) 2020-06-15 2020-06-15 Heat-insulating decorative plate based on polyurethane

Publications (2)

Publication Number Publication Date
CN111663734A CN111663734A (en) 2020-09-15
CN111663734B true CN111663734B (en) 2021-08-17

Family

ID=72388114

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010542085.1A Expired - Fee Related CN111663734B (en) 2020-06-15 2020-06-15 Heat-insulating decorative plate based on polyurethane

Country Status (1)

Country Link
CN (1) CN111663734B (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7183358B2 (en) * 2002-07-25 2007-02-27 Wacker Polymer Systems Gmbh & Co. Kg Hydrophobically modified polymers
CN101177053A (en) * 2007-11-21 2008-05-14 夏良强 Method for preparing rigid foam polyurethane composite board and use method
CN202370208U (en) * 2011-02-23 2012-08-08 罗坚立 Wearing-resistant multiple-layer composite flame-retarding wood floor
CN202391052U (en) * 2011-12-26 2012-08-22 广州易福诺木业有限公司 Waterproof sheet material
CN103351768A (en) * 2013-07-18 2013-10-16 西安文昊新型建材有限公司 Hydrophobic self-cleaning coating for foam cement insulation board for exterior wall and preparation method thereof
CN203499128U (en) * 2013-09-18 2014-03-26 江苏中矿大正表面工程技术有限公司 Waterproof structure for roof surface
CN104724975A (en) * 2015-03-18 2015-06-24 宁波求新新材料科技有限公司 Preparation method of fireproof insulation board and adopted impregnating compound
US9938659B2 (en) * 2015-06-27 2018-04-10 Nonwoven Network LLC Apparatus and method of making a nonwoven ceiling tile and wall panel
CN109305775A (en) * 2018-10-25 2019-02-05 合肥梵腾环保科技有限公司 A kind of building energy-saving heat-insulating material and its insulation board
KR102075104B1 (en) * 2019-05-14 2020-02-07 박연수 Insulator integrated Light Stone Pannel Structure

Also Published As

Publication number Publication date
CN111663734A (en) 2020-09-15

Similar Documents

Publication Publication Date Title
CN109851298B (en) Electromagnetic shielding cement board and semi-dry method preparation process thereof
CN111663734B (en) Heat-insulating decorative plate based on polyurethane
CN110283399A (en) A kind of bamboo and woods fiber wallboard and preparation method thereof
CN112480798A (en) Polyurea waterproof engineering coating, preparation method and use method
CN110627973A (en) Modified organosilicon waterproofing agent and preparation method and application thereof
CN107337403B (en) Tile joint mixture and preparation method thereof
CN109943193B (en) Composite environment-friendly coating based on diatomite modification and preparation method thereof
CN112409911A (en) Polyurethane waterproof coating capable of being used on wet base surface and preparation method thereof
CN115093819B (en) Adhesive for connecting composite boards and application method thereof
CN114804800B (en) High-strength environment-friendly gypsum plasterboard and preparation method thereof
CN115503300B (en) Composite rock wool fireproof heat-preservation decoration integrated plate and preparation method thereof
CN111718162A (en) Fiber-reinforced foamed cement composite insulation board and preparation method thereof
CN111677218B (en) Preparation process of decorative plate containing polyurethane heat-insulating layer
CN114456658A (en) Sealing rubber primer coating liquid and preparation method thereof
CN111039605A (en) Stone-like water permeable brick and preparation method thereof
CN111187587A (en) Composite wall joint filling adhesive based on epoxy resin modification
CN113025260A (en) Preparation method of single-component thermosetting polyurethane adhesive
CN112048265A (en) Water-based adhesive and preparation method and application thereof
CN106751738B (en) A kind of preparation method of high grade of transparency PMMA-PU gradient layer composite board
CN110079268A (en) A kind of soybean protein base water soluble polymer isocyanates gluing agent and preparation method thereof
CN113149546B (en) Inorganic lightweight aggregate insulation board and preparation method thereof
CN115891376A (en) Aerogel composite insulation board for building and preparation method thereof
CN108623270A (en) A kind of waterproof foam concrete formula and preparation method thereof
CN116790218B (en) Environment-friendly adhesive and preparation method thereof
CN113501678B (en) Stone-like ecological water permeable brick and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20210728

Address after: 255300 north head of Zhengyang Road, Zhoucun District, Zibo City, Shandong Province

Applicant after: ZIBO JINYU STEEL STRUCTURE Co.,Ltd.

Address before: 546100 Hesheng, Zone D, standard workshop, Henan Industrial Park, Laibin City, Guangxi Zhuang Autonomous Region

Applicant before: Chen Jiajun

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210817

CF01 Termination of patent right due to non-payment of annual fee