CN104213649B - Polyurethane composite insulation board and manufacturing method thereof - Google Patents

Polyurethane composite insulation board and manufacturing method thereof Download PDF

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Publication number
CN104213649B
CN104213649B CN201410418583.XA CN201410418583A CN104213649B CN 104213649 B CN104213649 B CN 104213649B CN 201410418583 A CN201410418583 A CN 201410418583A CN 104213649 B CN104213649 B CN 104213649B
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layer
cracking
water
polyurethane
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CN104213649A (en
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蒋光树
王金荣
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ANHUI HUAJU BUILDING MATERIALS TECHNOLOGY Co.,Ltd.
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王金荣
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention provides a polyurethane composite insulation board and a manufacturing method thereof. The insulation board comprises three layers, and is composed of two outer interface reinforcement layers and an insulation core material layer clamped between the two interface reinforcement layers, wherein the interface reinforcement layers are composed of anti-crack waterproof mortar and alkali-resistant glass fiber mesh fabrics wrapping the outer surface of the anti-crack waterproof mortar; the insulation core material layer is prepared from polyurethane particles obtained by crushing waste polyurethane rigid foams. The composite insulation board has the advantages of an organic insulation material and an inorganic insulation material and has the advantages of good insulation effect, small deformation coefficient, ageing resistance, stable performance, high insulation layer strength, long service life, low construction difficulty, relatively low engineering cost and the like.

Description

Polyurethane composite heat-conservation board and preparation method thereof
Technical field
The present invention relates to a kind of construction wall heat insulation facing material and preparation method thereof, and in particular to a kind of polyurethane is combined Warming plate and preparation method thereof.
Background technology
Polyurethanes product is had been widely used among the every field that the development of the national economy and people live, and is being produced A large amount of waste materials can all occur in journey and after consumption use, these waste materials must effectively be recycled and recycled.This is not Only it is the requirement for preventing pollution and environmental protection, is also the need for reducing production cost, raising resource utilization.Therefore, accelerate The research and development of waste polyurethane MAT'L recycling technology is extremely urgent.From the point of view of foreign study and the achievement of exploitation, gather The recycling of urethane foamed plastics mainly has Physical, three kinds of methods of chemical method and energy law.Wherein chemical method high cost, warp Ji is of poor benefits;Energy law is also easy to produce the toxic and harmful such as dense smoke and a large amount of dioxin, causes the secondary pollution of environment.
Conventional insulation material is broadly divided into organic insulation material and inorganic heat insulation material at present.Organic insulation material is as gathered Benzene plate, phenolic board etc., have the advantages that light weight, compactness be high, good effect of heat insulation, but have the disadvantage:Not ageing-resistant, deformation system Number is big, stability is poor, security is poor, easy firing, eco-environmental prote are very poor, its resource-constrained, and is difficult to cycling and reutilization.It is inorganic Insulation material such as glass bead, expanded perlite, rock wool etc., its fire protection flame retarding, deformation coefficient be small, anti-aging and basic unit and smears Surface layer combines preferable, but its unit weight is larger, easy moisture absorption, heat insulating effect are very poor.
The content of the invention
To solve heat preservation and heat insulation performance is poor, the low problem of fire line performance, this hair that existing building wall warming plate is present Bright to propose a kind of polyurethane composite heat-conservation board, the composite insulation boards have the advantage of organic insulation material and inorganic heat insulation material concurrently, With fire protection flame retarding, good effect of heat insulation, small, anti-aging deformation coefficient, stable performance, heat-insulation layer intensity is high, service life The advantages of long, small difficulty of construction and relatively low engineering cost.
A kind of another object of the present invention, there is provided preparation method of the polyurethane composite heat-conservation board.
The technical proposal of the invention is realized in this way:
A kind of polyurethane composite heat-conservation board, the warming plate is divided into three layers, by two outside layers interface enhancement layer and being clipped in two One layer of heat preservation core layer in the middle of the enhancement layer of bed boundary is constituted;The interface enhancement layer is by anti-cracking and waterproofing mortar and is wrapped in cracking resistance Alkali-resistant glass fibre screen cloth outside waterproof mortar is constituted;The heat insulation core material layer is made up of heat preservation slurry, the heat preservation slurry It is made up of the raw material of following parts by weight:550~600 parts of cement, 200~250 parts of flyash, 100~150 parts of sierozem power, stone 5~10 parts of cream, 15~20 parts of organic adhesion agent, 6~8 parts of water-keeping thickening material, 0.3~0.5 part of air entraining agent, 3 parts of hydrophobic powder, wood 3~5 parts of quality, 2~4 parts of polypropylene fibre, 80~100 parts of water, 300~350 parts of polyurethane particles.
Further, the polyurethane particles are that waste polyurethane hard bubbles and obtained through broken, and unit weight is 35~40kg/m3
Further, the cement be Portland cement, the flyash be I grades or II grades of flyash, it is described organic Adhesive is redispersible latex powder, and the water-keeping thickening material is selected from hydroxyethyl ether cellulose or hydroxypropylcelluloether ether, The air entraining agent is rosin resin, alkylated aromatic sulfonic acid salt or fatty acid sulfonate, and the hydrophobic powder is organic silicon.
Further, the Portland cement strength grade is 42.5.
Further, the anti-cracking and waterproofing mortar is made up of the component of following parts by weight:250~280 parts of cement, quartz sand 620~650 parts, 50~60 parts of dicalcium powder, 30~36 parts of organic adhesion agent, 3~5 parts of water-keeping thickening material, 2~4 parts of hydrophobic powder, 3~5 parts of lignin, 2 parts of polypropylene fibre, 180~200 parts of water.
Further, component in the anti-cracking and waterproofing mortar, the cement is Portland cement, the quartz sand mesh number It is 30~150 mesh, the dicalcium powder mesh number is 358 mesh, the organic adhesion agent is redispersible latex powder, and the water conservation increases Thick material is selected from hydroxyethyl ether cellulose or hydroxypropylcelluloether ether, and the hydrophobic powder is organic silicon.
Further, the Portland cement strength grade is 42.5.
A kind of preparation method of polyurethane composite heat-conservation board, comprises the following steps:
1) anti-cracking and waterproofing mortar is prepared;
2) heat preservation slurry is prepared:First by 550~600 parts of cement, 200~250 parts of flyash, 100~150 parts of sierozem power, 5~10 parts of gypsum, 15~20 parts of organic adhesion agent, 6~8 parts of water-keeping thickening material, 0.3~0.5 part of air entraining agent, 3 parts of hydrophobic powder, 300~350 parts of 3~5 parts of lignin, 2~4 parts of polypropylene fibre and polyurethane particles are well mixed in being put into mixer, then Said mixture is added the mortar mixers stirring that has 80~100 parts of water until forming uniform slurry, then by the slurry It is put into feed bin standby;
3) one layer of alkali-resistant glass fibre screen cloth is first laid, anti-cracking and waterproofing mortar is then laid, then on anti-cracking and waterproofing mortar Face one layer of alkali-resistant glass fibre screen cloth of laying is obtained the interface enhancement layer positioned at bottom surface;
4) in step 3) floor interface enhancement layer above lay step 2) heat preservation slurry for preparing forms heat insulation core material Layer;
5) in step 4) heat insulation core material layer above laying one layer of alkali-resistant glass fibre screen cloth, then lay anti-cracking waterproof sand Slurry, then one layer of alkali-resistant glass fibre screen cloth of laying is obtained interface enhancement layer located above on anti-cracking and waterproofing mortar, obtains final product Polyurethane composite heat-conservation board.
6) by step 5) polyurethane composite heat-conservation board through convey roll-in, wet cutting, maintenance, vertically and horizontally cut can be prepared by into Product polyurethane thermal insulation board.
Further, polyurethane particles are waste polyurethane to be hard bubbled with pulverizer be ground into foam beads, the foam Grain diameter preferably 3~5mm.
Further, the step 1) anti-cracking and waterproofing mortar preparation method is:According to each component parts by weight, first by cement 250~280 parts, 620~650 parts of quartz sand, 50~60 parts of dicalcium powder, 30~36 parts of organic adhesion agent, water-keeping thickening material 3~ 2 parts of 5 parts, 2~4 parts of hydrophobic powder, 3~5 parts of lignin and polypropylene fibre are well mixed in being put into mixer, then will be above-mentioned mixed Compound is added has 180~200 parts of mortar mixer stirrings of water until forming uniform slurry, and the slurry then is put into material Storehouse is standby.
Further, the step 1) described in cement be Portland cement, the quartz sand mesh number be 30~150 Mesh, the dicalcium powder mesh number is 358 mesh, and the organic adhesion agent is redispersible latex powder, the water-keeping thickening material choosing From hydroxyethyl ether cellulose or hydroxypropylcelluloether ether, the hydrophobic powder is organic silicon.
Further, the step 2) described in cement be Portland cement, the flyash be I grades or II grades of fine coal Ash, the organic adhesion agent is redispersible latex powder, and the water-keeping thickening material is selected from hydroxyethyl ether cellulose or hydroxypropyl Base cellulose ether, the air entraining agent is rosin resin, alkylated aromatic sulfonic acid salt or fatty acid sulfonate, and the hydrophobic powder is organic Silicon class.
Certain gelinite is generated after pulverized burned coal ash hydration and entringite improves the consistency of insulation.Water-keeping thickening material can Improve viscosity, water retention property and the adhesive property of mortar, preferred cellulose ether improves anti-slipping property and thickening power, further excellent Select thickening property and the preferable hydroxyethyl ether cellulose of water-retaining property or hydroxypropylcelluloether ether.Gypsum is monoclinic system mineral, is used Make portland cement retarder, extend the setting time of heat preservation slurry, before preventing heat preservation slurry to be layered on boundary layer after preparing Solidify, influence the preparation of polyurethane composite heat-conservation board;Gypsum microcellular structure and thermal dehydration, are allowed to have excellent simultaneously Sound insulation, heat-insulated and fire protecting performance, its synergy with air entraining agent, promotes the heat preservation slurry trickle and the air bubble of stabilization draws Enter, make bubble distribution uniform, improve insulation impermeability, high insulating effect sufficiently mitigates the weight of portland cement, increases body Product, makes heat insulation effect reach most preferably.Air entraining agent is preferably rosin resin, alkylated aromatic sulfonic acid salt or fatty acid sulfonate.It is described Hydrophobic powder is organic silicon, and it discharges active material in cement mortar system, and the hydroxyl reaction in cement mortar, with reference to Into good network structure, after cement mortar solidification, the hydrophobic grouping in organosilicon plays the effect of drop low-surface-energy, prevents water Intrusion, so as to reduce the water absorption rate of cement mortar, and will not performance is adversely affected in itself to cement mortar.Lignin is used Make cement water reducing agent, reduce the ratio of mud, improve concrete workability, mobility and permeability resistance, improve concrete strength and Density, answers with early potent, shortens setting time, improves compression strength.Organic adhesion agent selects redispersible latex powder, It has water resistance higher, pliability, frost resistance and wear resistence.
Beneficial effect of the present invention:
1) the heat insulation core material layer the inside of polyurethane composite heat-conservation board of the present invention is hard bubbled size-reduced machine powder containing waste polyurethane The broken polyurethane particles for obtaining, the polyurethane particles unit weight is about 35~40kg/m3;On the one hand solved using the material useless The problem of old polyurethane foam environmental pollution, on the other hand causes that warming plate has superior thermal and insulating performance, thermal conductivity factor Up to 0.025~0.030W/ (mK), under the conditions of same heat insulating effect is reached, the insulation layer thickness that it is used is smaller, Save material.
2) polyurethane composite heat-conservation board of the present invention is set up by anti-cracking and waterproofing mortar outside heat insulation core material layer and is wrapped in anti- The interface enhancement layer that alkali-resistant glass fibre screen cloth outside waterproof mortar is constituted is split, overcomes that common warming plate water proofing property is poor, table The low shortcoming of surface intensity, improves warming plate shock resistance, water absorption rate, fire protecting performance and greatly improves, after testing its fire protecting performance Up to A2 grades.Anti-cracking and waterproofing mortar of the present invention makes to be reached between each composition by the selection to each composition and consumption in mortar Preferably act synergistically.Alkali-resistant glass fibre screen cloth is wrapped up outside anti-cracking and waterproofing mortar again, the mechanical performance of boundary layer is improved And crack resistance.
3) polyurethane composite heat-conservation board construction technology of the invention is simple, is firmly bonded with basic unit and surface layer, is not in Hollowing, the quality problems such as ftracture, come off.
Specific embodiment
Embodiment 1
A kind of polyurethane composite heat-conservation board is divided into three layers, by two outside layers interface enhancement layer and being clipped in two bed boundary enhancement layers Middle one layer of heat preservation core layer is constituted, and interface enhancement layer is by anti-cracking and waterproofing mortar and is wrapped in resistance to outside anti-cracking and waterproofing mortar Alkali containing glass fibre screen cloth is constituted.
Heat insulation core material layer is made up of heat preservation slurry, and heat preservation slurry is made up of the raw material of following parts by weight:Grade is 42.5 600 parts, I grades 200 parts of flyash of Portland cement, 150 parts of sierozem power, 5 parts of gypsum, redispersible latex powder 20 Part, 8 parts of hydroxyethyl ether cellulose, 0.5 part of rosin resin, 3 parts of organic silicon hydrophobic powder, 3 parts of lignin, 4 parts of polypropylene fibre, 100 parts of water, 350 parts of polyurethane particles;Wherein, the polyurethane particles are that waste polyurethane hard bubbles and obtained through broken, foam Grain diameter 5mm, unit weight is 40kg/m3
The anti-cracking and waterproofing mortar is made up of the component of following parts by weight:Grade is 42.5 Portland cement 280 parts, 650 parts of 150 mesh quartz sand, 50 parts of 325 mesh dicalcium powder, 36 parts of redispersible latex powder, hydroxyethyl ether cellulose 5 Part, 4 parts of organic silicon hydrophobic powder, 3 parts of lignin, 2 parts of polypropylene fibre, 200 parts of water.
The preparation method of the polyurethane composite heat-conservation board, comprises the following steps:
1) anti-cracking and waterproofing mortar is prepared:According to each component parts by weight, first by Portland cement that grade is 42.5 280 parts, 650 parts of 150 mesh quartz sand, 50 parts of 325 mesh dicalcium powder, 36 parts of redispersible latex powder, hydroxyethyl ether cellulose 5 Part, 4 parts of organic silicon hydrophobic powder, 3 parts of lignin, 2 parts of polypropylene fibre are well mixed in being put into mixer, then will be above-mentioned mixed Compound is added has 200 parts of mortar mixer stirrings of water until forming uniform slurry, the slurry then is put into feed bin standby With.
2) heat preservation slurry is prepared:Waste polyurethane is hard bubbled with pulverizer is ground into foam beads, foam beads diameter 5mm, unit weight is 40kg/m3, then by Portland cement 600 parts, I grades 200 parts of flyash, sierozem power that grade is 42.5 150 parts, 5 parts of gypsum, 20 parts of redispersible latex powder, 8 parts of hydroxyethyl ether cellulose, 0.5 part of rosin resin, organic silicon hate 3 parts of pigment, 3 parts of lignin, 4 parts of polypropylene fibre, 350 parts of polyurethane particles are well mixed in being put into mixer, then will be upper State mixture and add and have 100 parts of mortar mixer stirrings of water until forming uniform slurry, then the slurry is put into feed bin It is standby;
3) one layer of alkali-resistant glass fibre screen cloth is first laid, anti-cracking and waterproofing mortar is then laid, then on anti-cracking and waterproofing mortar Face one layer of alkali-resistant glass fibre screen cloth of laying is obtained the interface enhancement layer positioned at bottom surface;
4) in step 3) floor interface enhancement layer above lay step 2) heat preservation slurry for preparing forms heat insulation core material Layer;
5) in step 4) heat insulation core material layer above laying one layer of alkali-resistant glass fibre screen cloth, then lay anti-cracking waterproof sand Slurry, then one layer of alkali-resistant glass fibre screen cloth of laying is obtained interface enhancement layer located above on anti-cracking and waterproofing mortar, obtains final product Polyurethane composite heat-conservation board.
6) by step 5) polyurethane composite heat-conservation board through convey roll-in, wet cutting, maintenance, vertically and horizontally cut can be prepared by into Product polyurethane thermal insulation board.
Embodiment 2
A kind of polyurethane composite heat-conservation board is divided into three layers, by two outside layers interface enhancement layer and being clipped in two bed boundary enhancement layers Middle one layer of heat preservation core layer is constituted, and interface enhancement layer is by anti-cracking and waterproofing mortar and is wrapped in resistance to outside anti-cracking and waterproofing mortar Alkali containing glass fibre screen cloth is constituted.
Heat insulation core material layer is made up of heat preservation slurry, and heat preservation slurry is made up of the raw material of following parts by weight:Grade is 42.5 550 parts, I grades 250 parts of flyash of Portland cement, 100 parts of sierozem power, 10 parts of gypsum, redispersible latex powder 19 Part, 7 parts of hydroxyethyl ether cellulose, 0.48 part of rosin resin, 3 parts of organic silicon hydrophobic powder, 3 parts of lignin, polypropylene fibre 4 Part, 80 parts of water, 340 parts of polyurethane particles;Wherein, the polyurethane particles are that waste polyurethane hard bubbles and obtained through broken, foam Particle diameter 3mm, unit weight is 35kg/m3
The anti-cracking and waterproofing mortar is made up of the component of following parts by weight:Grade is 42.5 Portland cement 250 parts, 620 parts of 30 mesh quartz sand, 60 parts of 325 mesh dicalcium powder, 35 parts of redispersible latex powder, 4 parts of hydroxyethyl ether cellulose, 3 parts of organic silicon hydrophobic powder, 5 parts of lignin, 2 parts of polypropylene fibre, 180 parts of water.
The preparation method of the polyurethane composite heat-conservation board, comprises the following steps:
1) anti-cracking and waterproofing mortar is prepared:According to each component parts by weight, first by Portland cement that grade is 42.5 250 parts, 620 parts of 30 mesh quartz sand, 60 parts of 325 mesh dicalcium powder, 35 parts of redispersible latex powder, 4 parts of hydroxyethyl ether cellulose, 3 parts of organic silicon hydrophobic powder, 5 parts of lignin, 2 parts of polypropylene fibre are well mixed in being put into mixer, then by above-mentioned mixing Thing is added has 180 parts of mortar mixer stirrings of water until forming uniform slurry, the slurry then is put into feed bin standby.
2) heat preservation slurry is prepared:Waste polyurethane is hard bubbled with pulverizer is ground into foam beads, foam beads diameter 3mm, unit weight is 35kg/m3, then by Portland cement 550 parts, I grades 250 parts of flyash, sierozem power that grade is 42.5 100 parts, 10 parts of gypsum, 19 parts of redispersible latex powder, 7 parts of hydroxyethyl ether cellulose, 0.48 part of rosin resin, organic silicon 3 parts of hydrophobic powder, 3 parts of lignin, 4 parts of polypropylene fibre, 340 parts of polyurethane particles are well mixed in being put into mixer, then will Said mixture is added has 80 parts of mortar mixer stirrings of water until forming uniform slurry, then the slurry is put into feed bin It is standby;
3) one layer of alkali-resistant glass fibre screen cloth is first laid, anti-cracking and waterproofing mortar is then laid, then on anti-cracking and waterproofing mortar Face one layer of alkali-resistant glass fibre screen cloth of laying is obtained the interface enhancement layer positioned at bottom surface;
4) in step 3) floor interface enhancement layer above lay step 2) heat preservation slurry for preparing forms heat insulation core material Layer;
5) in step 4) heat insulation core material layer above laying one layer of alkali-resistant glass fibre screen cloth, then lay anti-cracking waterproof sand Slurry, then one layer of alkali-resistant glass fibre screen cloth of laying is obtained interface enhancement layer located above on anti-cracking and waterproofing mortar, obtains final product Polyurethane composite heat-conservation board.
6) by step 5) polyurethane composite heat-conservation board through convey roll-in, wet cutting, maintenance, vertically and horizontally cut can be prepared by into Product polyurethane thermal insulation board.
Embodiment 3
A kind of polyurethane composite heat-conservation board is divided into three layers, by two outside layers interface enhancement layer and being clipped in two bed boundary enhancement layers Middle one layer of heat preservation core layer is constituted, and interface enhancement layer is by anti-cracking and waterproofing mortar and is wrapped in resistance to outside anti-cracking and waterproofing mortar Alkali containing glass fibre screen cloth is constituted.
Heat insulation core material layer is made up of heat preservation slurry, and heat preservation slurry is made up of the raw material of following parts by weight:Grade is 42.5 560 parts, I grades 240 parts of flyash of Portland cement, 120 parts of sierozem power, 8 parts of gypsum, redispersible latex powder 18 Part, 7 parts of hydroxypropylcelluloether ether, 0.4 part of sodium alkyl sulfonate, 3 parts of organic silicon hydrophobic powder, 4 parts of lignin, polypropylene fibre 4 Part, 85 parts of water, 330 parts of polyurethane particles;Wherein, the polyurethane particles are that waste polyurethane hard bubbles and obtained through broken, foam Particle diameter 4mm, unit weight is 35kg/m3
The anti-cracking and waterproofing mortar is made up of the component of following parts by weight:Grade is 42.5 Portland cement 260 parts, 630 parts of 100 mesh quartz sand, 55 parts of 325 mesh dicalcium powder, 34 parts of redispersible latex powder, hydroxyethyl ether cellulose 4 Part, 3 parts of multi-component copolymer type hydrophobic powder, 5 parts of lignin, 2 parts of polypropylene fibre, 190 parts of water.
The preparation method of the polyurethane composite heat-conservation board, comprises the following steps:
1) anti-cracking and waterproofing mortar is prepared:According to each component parts by weight, first by Portland cement that grade is 42.5 260 parts, 630 parts of 100 mesh quartz sand, 55 parts of 325 mesh dicalcium powder, 34 parts of redispersible latex powder, hydroxyethyl ether cellulose 4 Part, 3 parts of multi-component copolymer type hydrophobic powder, 5 parts of lignin, 2 parts of polypropylene fibre are well mixed in being put into mixer, then will be above-mentioned Mixture is added has 190 parts of mortar mixer stirrings of water until forming uniform slurry, and the slurry then is put into feed bin It is standby.
2) heat preservation slurry is prepared:Waste polyurethane is hard bubbled with pulverizer is ground into foam beads, foam beads diameter 4mm, unit weight is 35kg/m3, then by Portland cement 560 parts, I grades 240 parts of flyash, sierozem power that grade is 42.5 120 parts, 8 parts of gypsum, 18 parts of redispersible latex powder, 7 parts of hydroxypropylcelluloether ether, 0.4 part of sodium alkyl sulfonate, organic silicon 3 parts of hydrophobic powder, 4 parts of lignin, 4 parts of polypropylene fibre, 330 parts of polyurethane particles are well mixed in being put into mixer, then will Said mixture is added has 85 parts of mortar mixer stirrings of water until forming uniform slurry, then the slurry is put into feed bin It is standby;
3) one layer of alkali-resistant glass fibre screen cloth is first laid, anti-cracking and waterproofing mortar is then laid, then on anti-cracking and waterproofing mortar Face one layer of alkali-resistant glass fibre screen cloth of laying is obtained the interface enhancement layer positioned at bottom surface;
4) in step 3) floor interface enhancement layer above lay step 2) heat preservation slurry for preparing forms heat insulation core material Layer;
5) in step 4) heat insulation core material layer above laying one layer of alkali-resistant glass fibre screen cloth, then lay anti-cracking waterproof sand Slurry, then one layer of alkali-resistant glass fibre screen cloth of laying is obtained interface enhancement layer located above on anti-cracking and waterproofing mortar, obtains final product Polyurethane composite heat-conservation board.
6) by step 5) polyurethane composite heat-conservation board through convey roll-in, wet cutting, maintenance, vertically and horizontally cut can be prepared by into Product polyurethane thermal insulation board.
Embodiment 4
A kind of polyurethane composite heat-conservation board is divided into three layers, by two outside layers interface enhancement layer and being clipped in two bed boundary enhancement layers Middle one layer of heat preservation core layer is constituted, and interface enhancement layer is by anti-cracking and waterproofing mortar and is wrapped in resistance to outside anti-cracking and waterproofing mortar Alkali containing glass fibre screen cloth is constituted.
Heat insulation core material layer is made up of heat preservation slurry, and heat preservation slurry is made up of the raw material of following parts by weight:Grade is 42.5 580 parts, II grades 220 parts of flyash of Portland cement, 120 parts of sierozem power, 8 parts of gypsum, redispersible latex powder 17 Part, 6 parts of hydroxypropylcelluloether ether, 0.3 part of aliphatic alcohol polyethenoxy sodium sulfonate, 3 parts of multi-component copolymer type hydrophobic powder, 4 parts of lignin, 2 parts of polypropylene fibre, 90 parts of water, 320 parts of polyurethane particles;Wherein, the polyurethane particles are that waste polyurethane hard bubbles through broken It is broken to obtain, foam beads diameter 4mm, unit weight is 40kg/m3
The anti-cracking and waterproofing mortar is made up of the component of following parts by weight:Grade is 42.5 Portland cement 270 parts, 630 parts of 120 mesh quartz sand, 55 parts of 325 mesh dicalcium powder, 32 parts of redispersible latex powder, hydroxypropylcelluloether ether 3 Part, 3 parts of organic silicon hydrophobic powder, 4 parts of lignin, 2 parts of polypropylene fibre, 195 parts of water.
The preparation method of the polyurethane composite heat-conservation board, comprises the following steps:
1) anti-cracking and waterproofing mortar is prepared:According to each component parts by weight, first by Portland cement that grade is 42.5 270 parts, 630 parts of 120 mesh quartz sand, 55 parts of 325 mesh dicalcium powder, 32 parts of redispersible latex powder, hydroxypropylcelluloether ether 3 Part, 3 parts of organic silicon hydrophobic powder, 4 parts of lignin, 2 parts of polypropylene fibre are well mixed in being put into mixer, then will be above-mentioned mixed Compound is added has 195 parts of mortar mixer stirrings of water until forming uniform slurry, the slurry then is put into feed bin standby With.
2) heat preservation slurry is prepared:Waste polyurethane is hard bubbled with pulverizer is ground into foam beads, foam beads diameter 4mm, unit weight is 40kg/m3, then by 580 parts, II grades 220 parts of flyash of Portland cement that grade is 42.5, grey calcium 120 parts of powder, 8 parts of gypsum, 17 parts of redispersible latex powder, 6 parts of hydroxypropylcelluloether ether, aliphatic alcohol polyethenoxy sodium sulfonate 0.3 part, 3 parts of multi-component copolymer type hydrophobic powder, 4 parts of lignin, 2 parts of polypropylene fibre, 320 parts of polyurethane particles are put into mixer It is well mixed, then said mixture is added and has 90 parts of mortar mixer stirrings of water until forming uniform slurry, then The slurry is put into feed bin standby;
3) one layer of alkali-resistant glass fibre screen cloth is first laid, anti-cracking and waterproofing mortar is then laid, then on anti-cracking and waterproofing mortar Face one layer of alkali-resistant glass fibre screen cloth of laying is obtained the interface enhancement layer positioned at bottom surface;
4) in step 3) floor interface enhancement layer above lay step 2) heat preservation slurry for preparing forms heat insulation core material Layer;
5) in step 4) heat insulation core material layer above laying one layer of alkali-resistant glass fibre screen cloth, then lay anti-cracking waterproof sand Slurry, then one layer of alkali-resistant glass fibre screen cloth of laying is obtained interface enhancement layer located above on anti-cracking and waterproofing mortar, obtains final product Polyurethane composite heat-conservation board.
6) by step 5) polyurethane composite heat-conservation board through convey roll-in, wet cutting, maintenance, vertically and horizontally cut can be prepared by into Product polyurethane thermal insulation board.
Embodiment 5
A kind of polyurethane composite heat-conservation board is divided into three layers, by two outside layers interface enhancement layer and being clipped in two bed boundary enhancement layers Middle one layer of heat preservation core layer is constituted, and interface enhancement layer is by anti-cracking and waterproofing mortar and is wrapped in resistance to outside anti-cracking and waterproofing mortar Alkali containing glass fibre screen cloth is constituted.
Heat insulation core material layer is made up of heat preservation slurry, and heat preservation slurry is made up of the raw material of following parts by weight:Grade is 42.5 520 parts, II grades 230 parts of flyash of Portland cement, 120 parts of sierozem power, 8 parts of gypsum, redispersible latex powder 15 It is part, 6 parts of hydroxypropylcelluloether ether, 0.3 part of aliphatic alcohol polyethenoxy sodium sulfonate, 3 parts of organic silicon hydrophobic powder, 3 parts of lignin, poly- 2 parts of tacryl, 90 parts of water, 300 parts of polyurethane particles;Wherein, the polyurethane particles are that waste polyurethane hard bubbles through broken Obtain, foam beads diameter 4mm, unit weight is 40kg/m3
The anti-cracking and waterproofing mortar is made up of the component of following parts by weight:Grade is 42.5 Portland cement 260 parts, 630 parts of 140 mesh quartz sand, 55 parts of 325 mesh dicalcium powder, 30 parts of redispersible latex powder, hydroxypropylcelluloether ether 3 Part, 3 parts of organic silicon hydrophobic powder, 4 parts of lignin, 2 parts of polypropylene fibre, 190 parts of water.
The preparation method of the polyurethane composite heat-conservation board, comprises the following steps:
1) anti-cracking and waterproofing mortar is prepared:According to each component parts by weight, first by Portland cement that grade is 42.5 260 parts, 630 parts of 140 mesh quartz sand, 55 parts of 325 mesh dicalcium powder, 30 parts of redispersible latex powder, hydroxypropylcelluloether ether 3 Part, 3 parts of organic silicon hydrophobic powder, 4 parts of lignin, 2 parts of polypropylene fibre are well mixed in being put into mixer, then will be above-mentioned mixed Compound is added has 190 parts of mortar mixer stirrings of water until forming uniform slurry, the slurry then is put into feed bin standby With.
2) heat preservation slurry is prepared:Waste polyurethane is hard bubbled with pulverizer is ground into foam beads, foam beads diameter 4mm, unit weight is 40kg/m3, first by Portland cement 520 parts, II grades 230 parts of flyash, sierozem power that grade is 42.5 120 parts, 8 parts of gypsum, 15 parts of redispersible latex powder, 6 parts of hydroxypropylcelluloether ether, aliphatic alcohol polyethenoxy sodium sulfonate 0.3 Part, 3 parts of organic silicon hydrophobic powder, 3 parts of lignin, 2 parts of polypropylene fibre, 300 parts of polyurethane particles mix in being put into mixer Uniformly, then said mixture is added and has 90 parts of mortar mixer stirrings of water until forming uniform slurry, then should It is standby that slurry is put into feed bin;
3) one layer of alkali-resistant glass fibre screen cloth is first laid, anti-cracking and waterproofing mortar is then laid, then on anti-cracking and waterproofing mortar Face one layer of alkali-resistant glass fibre screen cloth of laying is obtained the interface enhancement layer positioned at bottom surface;
4) in step 3) floor interface enhancement layer above lay step 2) heat preservation slurry for preparing forms heat insulation core material Layer;
5) in step 4) heat insulation core material layer above laying one layer of alkali-resistant glass fibre screen cloth, then lay anti-cracking waterproof sand Slurry, then one layer of alkali-resistant glass fibre screen cloth of laying is obtained interface enhancement layer located above on anti-cracking and waterproofing mortar, obtains final product Polyurethane composite heat-conservation board.
6) by step 5) polyurethane composite heat-conservation board through convey roll-in, wet cutting, maintenance, vertically and horizontally cut can be prepared by into Product polyurethane thermal insulation board.
Embodiment 6
The finished product polyurethane thermal insulation board that embodiment 1-5 is obtained is to its heat conductivility, water absorption rate, impact strength and prevents Fiery performance is tested, and the results are shown in Table 1.Wherein heat conductivility by GB/T 10294-2008 regulation determine, water absorption rate according to The regulation of GB/T8810-2005 is determined.
The embodiment 1-5 the performance test results of table 1
From table 1 it follows that polyurethane thermal insulation board of the present invention has relatively low thermal conductivity factor, same thermal insulation separation is being reached Under the conditions of thermal effect, the insulation layer thickness that it is used is smaller.The thermal conductivity factor of embodiment 1 is minimum in table 1.Because embodiment 1 is 40kg/m from 350 parts of diameter 5mm of polyurethane particles, unit weight3, it is that waste polyurethane hard bubbles and obtained through broken;Exist simultaneously Under 0.5 part of initiator rosin resin effect, promote heat preservation slurry trickle and the introducing of the air bubble of stabilization, make bubble distribution equal It is even, insulation impermeability is improved, sufficiently mitigate the weight of portland cement, high insulating effect.In terms of water absorption rate, due to organic The synergy of adhesive, water-keeping thickening material and hydrophobic powder so that polyurethane thermal insulation board water absorption rate of the present invention is far below mark Alignment request.Impact strength and fire protecting performance equalization meet user's requirement.

Claims (10)

1. a kind of polyurethane composite heat-conservation board, it is characterised in that the warming plate is divided into three layers, by two outside layers interface enhancement layer Constituted with the one layer of heat preservation core layer being clipped in the middle of two bed boundary enhancement layers;The interface enhancement layer is by anti-cracking and waterproofing mortar and bag The alkali-resistant glass fibre screen cloth outside anti-cracking and waterproofing mortar is rolled in constitute;The heat insulation core material layer is made up of heat preservation slurry, described Heat preservation slurry is made up of the raw material of following parts by weight:550~600 parts of cement, 200~250 parts of flyash, sierozem power 100~ 150 parts, 5~10 parts of gypsum, 15~20 parts of organic adhesion agent, 6~8 parts of water-keeping thickening material, 0.3~0.5 part of air entraining agent, hydrophobic 3 parts of powder, 3~5 parts of lignin, 2~4 parts of polypropylene fibre, 80~100 parts of water, 300~350 parts of polyurethane particles, the water conservation Thickening material is selected from hydroxyethyl ether cellulose or hydroxypropylcelluloether ether, and the hydrophobic powder is organic silicon.
2. polyurethane composite heat-conservation board according to claim 1, it is characterised in that the polyurethane particles are waste and old poly- ammonia Ester hard bubbles and is obtained through broken, and unit weight is 35~40kg/m3
3. polyurethane composite heat-conservation board according to claim 1 and 2, it is characterised in that the cement is normal silicate Cement, the flyash is I grades or II grades of flyash, and the organic adhesion agent is redispersible latex powder, the air entraining agent It is rosin resin, alkylated aromatic sulfonic acid salt or fatty acid sulfonate.
4. polyurethane composite heat-conservation board according to claim 1 and 2, it is characterised in that the anti-cracking and waterproofing mortar by with The component composition of lower parts by weight:It is 250~280 parts of cement, 620~650 parts of quartz sand, 50~60 parts of dicalcium powder, organic gluing 30~36 parts of agent, 3~5 parts of water-keeping thickening material, 2~4 parts of hydrophobic powder, 3~5 parts of lignin, 2 parts of polypropylene fibre, water 180~ 200 parts.
5. polyurethane composite heat-conservation board according to claim 3, it is characterised in that the anti-cracking and waterproofing mortar is by following heavy Amount number into being grouped into:250~280 parts of cement, 620~650 parts of quartz sand, 50~60 parts of dicalcium powder, organic adhesion agent 30 ~36 parts, 3~5 parts of water-keeping thickening material, 2~4 parts of hydrophobic powder, 3~5 parts of lignin, 2 parts of polypropylene fibre, water 180~200 Part.
6. polyurethane composite heat-conservation board according to claim 4, it is characterised in that the cement is normal silicate water Mud, the quartz sand mesh number is 30~150 mesh, and the dicalcium powder mesh number is 358 mesh, and the organic adhesion agent is redispersible Latex powder.
7. a kind of preparation method of polyurethane composite heat-conservation board, it is characterised in that comprise the following steps:
1) anti-cracking and waterproofing mortar is prepared;
2) heat preservation slurry is prepared:First by 550~600 parts of cement, 200~250 parts of flyash, 100~150 parts of sierozem power, gypsum 5 ~10 parts, it is 15~20 parts of organic adhesion agent, 6~8 parts of water-keeping thickening material, 0.3~0.5 part of air entraining agent, 3 parts of hydrophobic powder, wooden 300~350 parts of 3~5 parts of element, 2~4 parts of polypropylene fibre and polyurethane particles are well mixed in being put into mixer, then will be upper State mixture and add and have 80~100 parts of mortar mixer stirrings of water until forming uniform slurry, then the slurry is put into Feed bin is standby, and the water-keeping thickening material is selected from hydroxyethyl ether cellulose or hydroxypropylcelluloether ether, and the hydrophobic powder is organic Silicon class;
3) one layer of alkali-resistant glass fibre screen cloth is first laid, anti-cracking and waterproofing mortar is then laid, then spread on anti-cracking and waterproofing mortar If one layer of alkali-resistant glass fibre screen cloth is obtained the interface enhancement layer positioned at bottom surface;
4) in step 3) floor interface enhancement layer above lay step 2) heat preservation slurry for preparing forms heat insulation core material layer;
5) in step 4) heat insulation core material layer above laying one layer of alkali-resistant glass fibre screen cloth, then lay anti-cracking and waterproofing mortar, One layer of alkali-resistant glass fibre screen cloth is laid on anti-cracking and waterproofing mortar again interface enhancement layer located above is obtained, obtain final product poly- ammonia Ester composite insulation boards.
8. the preparation method of polyurethane composite heat-conservation board according to claim 7, it is characterised in that polyurethane particles are to use Waste polyurethane is hard bubbled and is ground into foam beads by pulverizer.
9. the preparation method of the polyurethane composite heat-conservation board according to claim 7 or 8, it is characterised in that the step 1) Anti-cracking and waterproofing mortar preparation method is:According to each component parts by weight, first by 250~280 parts of cement, quartz sand 620~650 Part, 50~60 parts of dicalcium powder, 30~36 parts of organic adhesion agent, 3~5 parts of water-keeping thickening material, 2~4 parts of hydrophobic powder, lignin 3 ~5 parts and 2 parts of polypropylene fibre are well mixed in being put into mixer, then add said mixture and have 180~200 parts of water Mortar mixer stirring until form uniform slurry, the slurry is then put into feed bin standby.
10. the preparation method of the polyurethane composite heat-conservation board according to claim 7 or 8, it is characterised in that the cement is Portland cement, the flyash is I grades or II grades of flyash, and the organic adhesion agent is redispersible latex powder, The air entraining agent is rosin resin, alkylated aromatic sulfonic acid salt or fatty acid sulfonate.
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CN107244842A (en) * 2017-07-05 2017-10-13 合肥万之景门窗有限公司 A kind of cracking resistance fireproof energy-saving thermal insulation board
CN108222401B (en) * 2018-04-11 2020-06-23 济南正恒聚氨酯材料有限公司 Composite insulation board integrated board and preparation process
CN109130377A (en) * 2018-08-22 2019-01-04 北京建筑材料科学研究总院有限公司 A kind of sewing block of glass wool and the composite exterior wall insulating board of hard-foam polyurethane and preparation method thereof
CN111170698B (en) * 2020-01-20 2021-02-09 河北安恕朗晴环保设备有限公司 Regenerated glass fiber reinforced plastic anti-crack thermal insulation mortar and preparation and construction methods thereof
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