CN104213649A - Polyurethane composite insulation board and manufacturing method thereof - Google Patents
Polyurethane composite insulation board and manufacturing method thereof Download PDFInfo
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- CN104213649A CN104213649A CN201410418583.XA CN201410418583A CN104213649A CN 104213649 A CN104213649 A CN 104213649A CN 201410418583 A CN201410418583 A CN 201410418583A CN 104213649 A CN104213649 A CN 104213649A
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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
Technical field
The present invention relates to a kind of construction wall heat insulation facing material and preparation method thereof, be specifically related to a kind of polyurethane composite heat-conservation board and preparation method thereof.
Background technology
Polyurethanes product has been widely used among the every field of the development of the national economy and people's life, and all can occur a large amount of waste material after using with consumption in process of production, these waste materials must effectively recycle and recycle.This is not only the requirement of preventing pollution and protection of the environment, is also the needs reducing cost of production, improve resource utilization.Therefore, the research and development accelerating waste polyurethane MAT'L recycling technology is extremely urgent.From the achievement of foreign study and exploitation, the recycling of polyurethane foam plastics mainly contains Physical, chemical method and energy law three kinds of methods.Wherein high, the deficiency in economic performance of chemical method cost; Energy law easily produces thick smoke and the toxic and harmful such as a large amount of dioxin, causes the secondary pollution of environment.
Heat insulating material conventional at present is mainly divided into organic insulation material and inorganic heat insulation material.Organic insulation material is as polyphenyl plate, phenolic board etc., there is the advantages such as light weight, compactness are high, good effect of heat insulation, but shortcoming is: not ageing-resistant, coefficient of deformation is large, poor stability, poor stability, easy firing, eco-environmental prote are very poor, its resource-constrained, and is difficult to cycling and reutilization.Inorganic heat insulation material is as glass bead, expanded perlite, rock wool etc., and its fire protection flame retarding, coefficient of deformation be little, anti-aging, be combined better with basic unit and float coat, but its unit weight is comparatively large, easily moisture absorption, heat insulating effect are very poor.
Summary of the invention
For the thermal and insulating performance solving the existence of existing building body of wall warming plate is poor, the low problem of fire line performance, the present invention proposes a kind of polyurethane composite heat-conservation board, this composite insulation boards has the advantage of organic insulation material and inorganic heat insulation material concurrently, have that fire protection flame retarding, good effect of heat insulation, coefficient of deformation are little, anti-aging, stable performance, the advantage such as insulation layer intensity is high, long service life, difficulty of construction are little and engineering cost is lower.
Another object of the present invention, provides a kind of preparation method of this polyurethane composite heat-conservation board.
Technical scheme of the present invention is achieved in that
A kind of polyurethane composite heat-conservation board, described warming plate is divided into three layers, is made up of two outside layers interface enhancement layer and the one layer of heat preservation core layer be clipped in the middle of two bed boundary enhancement layers; Described interface enhancement layer is made up of anti-cracking and waterproofing mortar and the alkali-resistant glass fibre screen cloth be wrapped in outside anti-cracking and waterproofing mortar; Described heat insulation core material layer is made up of heat preservation slurry, and described heat preservation slurry is made up of the raw material of following parts by weight: cement 550 ~ 600 parts, 200 ~ 250 parts, flyash, sierozem power 100 ~ 150 parts, 5 ~ 10 parts, gypsum, organic adhesion agent 15 ~ 20 parts, water-keeping thickening material 6 ~ 8 parts, air entraining agent 0.3 ~ 0.5 part, 3 parts, hydrophobic powder, 3 ~ 5 parts, lignin, polypropylene fibre 2 ~ 4 parts, 80 ~ 100 parts, water, polyurethane particles 300 ~ 350 parts.
Further, described polyurethane particles is that waste polyurethane hard bubbles and to obtain through fragmentation, and unit weight is 35 ~ 40kg/m
3.
Further, described cement is Portland cement, described flyash is I level or II level flyash, described organic adhesion agent is redispersible latex powder, described water-keeping thickening material is selected from hydroxyethyl ether cellulose or hydroxypropylcelluloether ether, described air entraining agent is abietic resin, alkylated aromatic sulfonic acid salt or fatty acid sulfonate, and described hydrophobic powder is silicone based.
Further, described Portland cement strength grade is 42.5.
Further, described anti-cracking and waterproofing mortar is made up of the component of following parts by weight: cement 250 ~ 280 parts, quartz sand 620 ~ 650 parts, dicalcium powder 50 ~ 60 parts, organic adhesion agent 30 ~ 36 parts, water-keeping thickening material 3 ~ 5 parts, 2 ~ 4 parts, hydrophobic powder, 3 ~ 5 parts, lignin, polypropylene fibre 2 parts, 180 ~ 200 parts, water.
Further, component in described anti-cracking and waterproofing mortar, described cement is Portland cement, described quartzy Grains number is 30 ~ 150 orders, described dicalcium powder order number is 358 orders, described organic adhesion agent is redispersible latex powder, and described water-keeping thickening material is selected from hydroxyethyl ether cellulose or hydroxypropylcelluloether ether, and described hydrophobic powder is silicone based.
Further, described Portland cement strength grade is 42.5.
A preparation method for polyurethane composite heat-conservation board, comprises the following steps:
1) anti-cracking and waterproofing mortar is prepared;
2) heat preservation slurry is prepared: first cement 550 ~ 600 parts, 200 ~ 250 parts, flyash, sierozem power 100 ~ 150 parts, 5 ~ 10 parts, gypsum, organic adhesion agent 15 ~ 20 parts, water-keeping thickening material 6 ~ 8 parts, air entraining agent 0.3 ~ 0.5 part, 3 parts, hydrophobic powder, 3 ~ 5 parts, lignin, polypropylene fibre 2 ~ 4 parts and polyurethane particles 300 ~ 350 parts are put into mixer and mix, then said mixture is added the mortar mixer having 80 ~ 100 parts of water to stir until form uniform slurry, then it is for subsequent use that this slurry is put into feed bin;
3) first lay one deck alkali-resistant glass fibre screen cloth, then lay anti-cracking and waterproofing mortar, then on anti-cracking and waterproofing mortar, lay one deck alkali-resistant glass fibre screen cloth obtain the interface enhancement layer being 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 lay one deck alkali-resistant glass fibre screen cloth, then lay anti-cracking and waterproofing mortar, on anti-cracking and waterproofing mortar, lay one deck alkali-resistant glass fibre screen cloth again obtain the interface enhancement layer above being positioned at, obtain polyurethane composite heat-conservation board.
6) by step 5) polyurethane composite heat-conservation board through conveying roll-in, wet cutting, maintenance, indulge transverse cuts and can obtain finished product polyurethane thermal insulation board.
Further, polyurethane particles to be hard bubbled by waste polyurethane with mill to be ground into foam beads, described foam beads diameter preferably 3 ~ 5mm.
Further, described step 1) anti-cracking and waterproofing mortar preparation method is: according to each component parts by weight, first cement 250 ~ 280 parts, quartz sand 620 ~ 650 parts, dicalcium powder 50 ~ 60 parts, organic adhesion agent 30 ~ 36 parts, water-keeping thickening material 3 ~ 5 parts, 2 ~ 4 parts, hydrophobic powder, 3 ~ 5 parts, lignin and polypropylene fibre 2 parts are put into mixer to mix, then said mixture is added the mortar mixer having 180 ~ 200 parts of water to stir until form uniform slurry, then this slurry is put into feed bin for subsequent use.
Further, described step 1) described in cement be Portland cement, described quartzy Grains number is 30 ~ 150 orders, described dicalcium powder order number is 358 orders, described organic adhesion agent is redispersible latex powder, described water-keeping thickening material is selected from hydroxyethyl ether cellulose or hydroxypropylcelluloether ether, and described hydrophobic powder is silicone based.
Further, described step 2) described in cement be Portland cement, described flyash is I level or II level flyash, described organic adhesion agent is redispersible latex powder, described water-keeping thickening material is selected from hydroxyethyl ether cellulose or hydroxypropylcelluloether ether, described air entraining agent is abietic resin, alkylated aromatic sulfonic acid salt or fatty acid sulfonate, and described hydrophobic powder is silicone based.
The density of certain gelinite and entringite raising insulation is generated after pulverized burned coal ash hydration.Water-keeping thickening material can improve the viscosity of mortar, water retention property and adhesive property, and preferred cellulose ether improves anti-slipping property and thickening power, further preferably thickening property and the good hydroxyethyl ether cellulose of water retention or hydroxypropylcelluloether ether.Gypsum is monoclinic system mineral, as portland cement retarding agent, extends the setting time of heat preservation slurry, solidifies, affect the preparation of polyurethane composite heat-conservation board after preventing heat preservation slurry from preparing before being layered on boundary layer; Gypsum microcellular structure and thermal dehydration simultaneously, make it the excellent sound insulation of tool, heat insulation and fireproof performance, the synergy of itself and air entraining agent, the introducing of the air bubble impelling heat preservation slurry trickle and stable, makes bubble distribution even, improves insulation impermeability, high insulating effect, alleviate the weight of portland cement fully, increase volume, make heat insulation effect reach best.Air entraining agent is preferably abietic resin, alkylated aromatic sulfonic acid salt or fatty acid sulfonate.Described hydrophobic powder is silicone based, it discharges active material in cement mortar system, with the hydroxyl reaction in cement mortar, be combined into good network structure, after cement mortar solidification, the hydrophobic grouping in organosilicon plays the effect reducing surface energy, stops the intrusion of water, thus reduce the water absorption rate of cement mortar, and negative effect can not be caused to the performance of cement mortar own.Lignin is used as cement water reducing agent, reduces water/binder ratio, improves concrete workability, mobility and permeability resistance, improves concrete strength and density, has early potent answering, shortens time of setting, improve compressive strength.Organic adhesion agent selects redispersible latex powder, and it has higher water resistance, pliability, frost resistance and wear resistence.
Beneficial effect of the present invention:
1) hard bubble containing waste polyurethane inside the heat insulation core material layer of polyurethane composite heat-conservation board of the present invention and pulverize through mill the polyurethane particles obtained, this polyurethane particles unit weight is approximately 35 ~ 40kg/m
3; This material is adopted to solve the problem of waste polyurethane foam environment pollution on the one hand, warming plate is made to have superior thermal and insulating performance on the other hand, coefficient of thermal conductivity can reach 0.025 ~ 0.030W/ (mK), reaching under same heat insulating effect condition, its insulation layer thickness used is less, saves material.
2) polyurethane composite heat-conservation board of the present invention is set up by anti-cracking and waterproofing mortar and is wrapped in the interface enhancement layer that the alkali-resistant glass fibre screen cloth outside anti-cracking and waterproofing mortar forms outside heat insulation core material layer, overcome the shortcoming that common warming plate water proofing property is poor, surface strength is low, raising warming plate shock resistance, water absorption rate, fireproof performance improve greatly, and its fireproof performance can reach A2 level after testing.Anti-cracking and waterproofing mortar of the present invention, by the selection to composition each in mortar and consumption, makes to reach good synergy between each composition.Outside anti-cracking and waterproofing mortar, wrap up alkali-resistant glass fibre screen cloth again, improve mechanical performance and the crack resistance of boundary layer.
3) polyurethane composite heat-conservation board construction technology of the present invention is simple, bonds firmly, quality problems such as there will not be hollowing, ftracture, come off with basic unit and surface layer.
Detailed description of the invention
Embodiment 1
A kind of polyurethane composite heat-conservation board is divided into three layers, be made up of two outside layers interface enhancement layer and the one layer of heat preservation core layer be clipped in the middle of two bed boundary enhancement layers, interface enhancement layer is made up of anti-cracking and waterproofing mortar and the alkali-resistant glass fibre screen cloth be wrapped in outside anti-cracking and waterproofing mortar.
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 Portland cement 600 parts, 200 parts, I level flyash, sierozem power 150 parts, 5 parts, gypsum, redispersible latex powder 20 parts, hydroxyethyl ether cellulose 8 parts, abietic resin 0.5 part, 3 parts, silicone based hydrophobic powder, 3 parts, lignin, polypropylene fibre 4 parts, 100 parts, water, the polyurethane particles 350 parts of 42.5; Wherein, described polyurethane particles is that waste polyurethane hard bubbles and to obtain through fragmentation, and foam beads diameter 5mm, unit weight is 40kg/m
3.
Described anti-cracking and waterproofing mortar is made up of the component of following parts by weight: grade is Portland cement 280 parts, 150 order quartz sand 650 parts, 325 order dicalcium powder 50 parts, redispersible latex powder 36 parts, hydroxyethyl ether cellulose 5 parts, 4 parts, silicone based hydrophobic powder, 3 parts, lignin, polypropylene fibre 2 parts, 200 parts, the water of 42.5.
The preparation method of this polyurethane composite heat-conservation board, comprises the following steps:
1) anti-cracking and waterproofing mortar is prepared: according to each component parts by weight, be first the Portland cement 280 parts of 42.5 by grade, 150 order quartz sand 650 parts, 325 order dicalcium powder 50 parts, redispersible latex powder 36 parts, hydroxyethyl ether cellulose 5 parts, 4 parts, silicone based hydrophobic powder, 3 parts, lignin, polypropylene fibre 2 parts put into mixer and mix, then said mixture is added the mortar mixer having 200 parts of water to stir until form uniform slurry, then this slurry is put into feed bin for subsequent use.
2) heat preservation slurry is prepared: being hard bubbled by waste polyurethane with mill is ground into foam beads, foam beads diameter 5mm, and unit weight is 40kg/m
3then be the Portland cement 600 parts of 42.5 by grade, 200 parts, I level flyash, sierozem power 150 parts, 5 parts, gypsum, redispersible latex powder 20 parts, hydroxyethyl ether cellulose 8 parts, abietic resin 0.5 part, 3 parts, silicone based hydrophobic powder, 3 parts, lignin, polypropylene fibre 4 parts, polyurethane particles 350 parts put into mixer and mix, then said mixture is added the mortar mixer having 100 parts of water to stir until form uniform slurry, then it is for subsequent use that this slurry is put into feed bin;
3) first lay one deck alkali-resistant glass fibre screen cloth, then lay anti-cracking and waterproofing mortar, then on anti-cracking and waterproofing mortar, lay one deck alkali-resistant glass fibre screen cloth obtain the interface enhancement layer being 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 lay one deck alkali-resistant glass fibre screen cloth, then lay anti-cracking and waterproofing mortar, on anti-cracking and waterproofing mortar, lay one deck alkali-resistant glass fibre screen cloth again obtain the interface enhancement layer above being positioned at, obtain polyurethane composite heat-conservation board.
6) by step 5) polyurethane composite heat-conservation board through conveying roll-in, wet cutting, maintenance, indulge transverse cuts and can obtain finished product polyurethane thermal insulation board.
Embodiment 2
A kind of polyurethane composite heat-conservation board is divided into three layers, be made up of two outside layers interface enhancement layer and the one layer of heat preservation core layer be clipped in the middle of two bed boundary enhancement layers, interface enhancement layer is made up of anti-cracking and waterproofing mortar and the alkali-resistant glass fibre screen cloth be wrapped in outside anti-cracking and waterproofing mortar.
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 Portland cement 550 parts, 250 parts, I level flyash, sierozem power 100 parts, 10 parts, gypsum, redispersible latex powder 19 parts, hydroxyethyl ether cellulose 7 parts, abietic resin 0.48 part, 3 parts, silicone based hydrophobic powder, 3 parts, lignin, polypropylene fibre 4 parts, 80 parts, water, the polyurethane particles 340 parts of 42.5; Wherein, described polyurethane particles is that waste polyurethane hard bubbles and to obtain through fragmentation, and foam beads diameter 3mm, unit weight is 35kg/m
3.
Described anti-cracking and waterproofing mortar is made up of the component of following parts by weight: grade is Portland cement 250 parts, 30 order quartz sand 620 parts, 325 order dicalcium powder 60 parts, redispersible latex powder 35 parts, hydroxyethyl ether cellulose 4 parts, 3 parts, silicone based hydrophobic powder, 5 parts, lignin, polypropylene fibre 2 parts, 180 parts, the water of 42.5.
The preparation method of this polyurethane composite heat-conservation board, comprises the following steps:
1) anti-cracking and waterproofing mortar is prepared: according to each component parts by weight, be first the Portland cement 250 parts of 42.5 by grade, 30 order quartz sand 620 parts, 325 order dicalcium powder 60 parts, redispersible latex powder 35 parts, hydroxyethyl ether cellulose 4 parts, 3 parts, silicone based hydrophobic powder, 5 parts, lignin, polypropylene fibre 2 parts put into mixer and mix, then said mixture is added the mortar mixer having 180 parts of water to stir until form uniform slurry, then this slurry is put into feed bin for subsequent use.
2) heat preservation slurry is prepared: being hard bubbled by waste polyurethane with mill is ground into foam beads, foam beads diameter 3mm, and unit weight is 35kg/m
3then be the Portland cement 550 parts of 42.5 by grade, 250 parts, I level flyash, sierozem power 100 parts, 10 parts, gypsum, redispersible latex powder 19 parts, hydroxyethyl ether cellulose 7 parts, abietic resin 0.48 part, 3 parts, silicone based hydrophobic powder, 3 parts, lignin, polypropylene fibre 4 parts, polyurethane particles 340 parts put into mixer and mix, then said mixture is added the mortar mixer having 80 parts of water to stir until form uniform slurry, then it is for subsequent use that this slurry is put into feed bin;
3) first lay one deck alkali-resistant glass fibre screen cloth, then lay anti-cracking and waterproofing mortar, then on anti-cracking and waterproofing mortar, lay one deck alkali-resistant glass fibre screen cloth obtain the interface enhancement layer being 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 lay one deck alkali-resistant glass fibre screen cloth, then lay anti-cracking and waterproofing mortar, on anti-cracking and waterproofing mortar, lay one deck alkali-resistant glass fibre screen cloth again obtain the interface enhancement layer above being positioned at, obtain polyurethane composite heat-conservation board.
6) by step 5) polyurethane composite heat-conservation board through conveying roll-in, wet cutting, maintenance, indulge transverse cuts and can obtain finished product polyurethane thermal insulation board.
Embodiment 3
A kind of polyurethane composite heat-conservation board is divided into three layers, be made up of two outside layers interface enhancement layer and the one layer of heat preservation core layer be clipped in the middle of two bed boundary enhancement layers, interface enhancement layer is made up of anti-cracking and waterproofing mortar and the alkali-resistant glass fibre screen cloth be wrapped in outside anti-cracking and waterproofing mortar.
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 Portland cement 560 parts, 240 parts, I level flyash, sierozem power 120 parts, 8 parts, gypsum, redispersible latex powder 18 parts, hydroxypropylcelluloether ether 7 parts, sodium alkyl sulfonate 0.4 part, 3 parts, silicone based hydrophobic powder, 4 parts, lignin, polypropylene fibre 4 parts, 85 parts, water, the polyurethane particles 330 parts of 42; Wherein, described polyurethane particles is that waste polyurethane hard bubbles and to obtain through fragmentation, and foam beads diameter 4mm, unit weight is 35kg/m
3.
Described anti-cracking and waterproofing mortar is made up of the component of following parts by weight: grade is Portland cement 260 parts, 100 order quartz sand 630 parts, 325 order dicalcium powder 55 parts, redispersible latex powder 34 parts, hydroxyethyl ether cellulose 4 parts, 3 parts, multi-component copolymer type hydrophobic powder, 5 parts, lignin, polypropylene fibre 2 parts, 190 parts, the water of 42.
The preparation method of this polyurethane composite heat-conservation board, comprises the following steps:
1) anti-cracking and waterproofing mortar is prepared: according to each component parts by weight, be first the Portland cement 260 parts of 42 by grade, 100 order quartz sand 630 parts, 325 order dicalcium powder 55 parts, redispersible latex powder 34 parts, hydroxyethyl ether cellulose 4 parts, 3 parts, multi-component copolymer type hydrophobic powder, 5 parts, lignin, polypropylene fibre 2 parts put into mixer and mix, then said mixture is added the mortar mixer having 190 parts of water to stir until form uniform slurry, then this slurry is put into feed bin for subsequent use.
2) heat preservation slurry is prepared: being hard bubbled by waste polyurethane with mill is ground into foam beads, foam beads diameter 4mm, and unit weight is 35kg/m
3then be the Portland cement 560 parts of 42 by grade, 240 parts, I level flyash, sierozem power 120 parts, 8 parts, gypsum, redispersible latex powder 18 parts, hydroxypropylcelluloether ether 7 parts, sodium alkyl sulfonate 0.4 part, 3 parts, silicone based hydrophobic powder, 4 parts, lignin, polypropylene fibre 4 parts, polyurethane particles 330 parts put into mixer and mix, then said mixture is added the mortar mixer having 85 parts of water to stir until form uniform slurry, then it is for subsequent use that this slurry is put into feed bin;
3) first lay one deck alkali-resistant glass fibre screen cloth, then lay anti-cracking and waterproofing mortar, then on anti-cracking and waterproofing mortar, lay one deck alkali-resistant glass fibre screen cloth obtain the interface enhancement layer being 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 lay one deck alkali-resistant glass fibre screen cloth, then lay anti-cracking and waterproofing mortar, on anti-cracking and waterproofing mortar, lay one deck alkali-resistant glass fibre screen cloth again obtain the interface enhancement layer above being positioned at, obtain polyurethane composite heat-conservation board.
6) by step 5) polyurethane composite heat-conservation board through conveying roll-in, wet cutting, maintenance, indulge transverse cuts and can obtain finished product polyurethane thermal insulation board.
Embodiment 4
A kind of polyurethane composite heat-conservation board is divided into three layers, be made up of two outside layers interface enhancement layer and the one layer of heat preservation core layer be clipped in the middle of two bed boundary enhancement layers, interface enhancement layer is made up of anti-cracking and waterproofing mortar and the alkali-resistant glass fibre screen cloth be wrapped in outside anti-cracking and waterproofing mortar.
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 Portland cement 580 parts, 220 parts, II level flyash, sierozem power 120 parts, 8 parts, gypsum, redispersible latex powder 17 parts, hydroxypropylcelluloether ether 6 parts, aliphatic alcohol polyethenoxy sodium sulfonate 0.3 part, 3 parts, multi-component copolymer type hydrophobic powder, 4 parts, lignin, polypropylene fibre 2 parts, 90 parts, water, the polyurethane particles 320 parts of 42.5; Wherein, described polyurethane particles is that waste polyurethane hard bubbles and to obtain through fragmentation, and foam beads diameter 4mm, unit weight is 40kg/m
3.
Described anti-cracking and waterproofing mortar is made up of the component of following parts by weight: grade is Portland cement 270 parts, 120 order quartz sand 630 parts, 325 order dicalcium powder 55 parts, redispersible latex powder 32 parts, hydroxypropylcelluloether ether 3 parts, 3 parts, silicone based hydrophobic powder, 4 parts, lignin, polypropylene fibre 2 parts, 195 parts, the water of 42.5.
The preparation method of this polyurethane composite heat-conservation board, comprises the following steps:
1) anti-cracking and waterproofing mortar is prepared: according to each component parts by weight, be first the Portland cement 270 parts of 42.5 by grade, 120 order quartz sand 630 parts, 325 order dicalcium powder 55 parts, redispersible latex powder 32 parts, hydroxypropylcelluloether ether 3 parts, 3 parts, silicone based hydrophobic powder, 4 parts, lignin, polypropylene fibre 2 parts put into mixer and mix, then said mixture is added the mortar mixer having 195 parts of water to stir until form uniform slurry, then this slurry is put into feed bin for subsequent use.
2) heat preservation slurry is prepared: being hard bubbled by waste polyurethane with mill is ground into foam beads, foam beads diameter 4mm, and unit weight is 40kg/m
3then be the Portland cement 580 parts of 42.5 by grade, 220 parts, II level flyash, sierozem power 120 parts, 8 parts, gypsum, redispersible latex powder 17 parts, hydroxypropylcelluloether ether 6 parts, aliphatic alcohol polyethenoxy sodium sulfonate 0.3 part, 3 parts, multi-component copolymer type hydrophobic powder, 4 parts, lignin, polypropylene fibre 2 parts, polyurethane particles 320 parts put into mixer and mix, then said mixture is added the mortar mixer having 90 parts of water to stir until form uniform slurry, then it is for subsequent use that this slurry is put into feed bin;
3) first lay one deck alkali-resistant glass fibre screen cloth, then lay anti-cracking and waterproofing mortar, then on anti-cracking and waterproofing mortar, lay one deck alkali-resistant glass fibre screen cloth obtain the interface enhancement layer being 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 lay one deck alkali-resistant glass fibre screen cloth, then lay anti-cracking and waterproofing mortar, on anti-cracking and waterproofing mortar, lay one deck alkali-resistant glass fibre screen cloth again obtain the interface enhancement layer above being positioned at, obtain polyurethane composite heat-conservation board.
6) by step 5) polyurethane composite heat-conservation board through conveying roll-in, wet cutting, maintenance, indulge transverse cuts and can obtain finished product polyurethane thermal insulation board.
Embodiment 5
A kind of polyurethane composite heat-conservation board is divided into three layers, be made up of two outside layers interface enhancement layer and the one layer of heat preservation core layer be clipped in the middle of two bed boundary enhancement layers, interface enhancement layer is made up of anti-cracking and waterproofing mortar and the alkali-resistant glass fibre screen cloth be wrapped in outside anti-cracking and waterproofing mortar.
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 Portland cement 520 parts, 230 parts, II level flyash, sierozem power 120 parts, 8 parts, gypsum, redispersible latex powder 15 parts, hydroxypropylcelluloether ether 6 parts, aliphatic alcohol polyethenoxy sodium sulfonate 0.3 part, 3 parts, silicone based hydrophobic powder, 3 parts, lignin, polypropylene fibre 2 parts, 90 parts, water, the polyurethane particles 300 parts of 42.5; Wherein, described polyurethane particles is that waste polyurethane hard bubbles and to obtain through fragmentation, and foam beads diameter 4mm, unit weight is 40kg/m
3.
Described anti-cracking and waterproofing mortar is made up of the component of following parts by weight: grade is Portland cement 260 parts, 140 order quartz sand 630 parts, 325 order dicalcium powder 55 parts, redispersible latex powder 30 parts, hydroxypropylcelluloether ether 3 parts, 3 parts, silicone based hydrophobic powder, 4 parts, lignin, polypropylene fibre 2 parts, 190 parts, the water of 42.5.
The preparation method of this polyurethane composite heat-conservation board, comprises the following steps:
1) anti-cracking and waterproofing mortar is prepared: according to each component parts by weight, be first the Portland cement 260 parts of 42.5 by grade, 140 order quartz sand 630 parts, 325 order dicalcium powder 55 parts, redispersible latex powder 30 parts, hydroxypropylcelluloether ether 3 parts, 3 parts, silicone based hydrophobic powder, 4 parts, lignin, polypropylene fibre 2 parts put into mixer and mix, then said mixture is added the mortar mixer having 190 parts of water to stir until form uniform slurry, then this slurry is put into feed bin for subsequent use.
2) heat preservation slurry is prepared: being hard bubbled by waste polyurethane with mill is ground into foam beads, foam beads diameter 4mm, and unit weight is 40kg/m
3be first the Portland cement 520 parts of 42.5 by grade, 230 parts, II level flyash, sierozem power 120 parts, 8 parts, gypsum, redispersible latex powder 15 parts, hydroxypropylcelluloether ether 6 parts, aliphatic alcohol polyethenoxy sodium sulfonate 0.3 part, 3 parts, silicone based hydrophobic powder, 3 parts, lignin, polypropylene fibre 2 parts, polyurethane particles 300 parts put into mixer and mix, then said mixture is added the mortar mixer having 90 parts of water to stir until form uniform slurry, then it is for subsequent use that this slurry is put into feed bin;
3) first lay one deck alkali-resistant glass fibre screen cloth, then lay anti-cracking and waterproofing mortar, then on anti-cracking and waterproofing mortar, lay one deck alkali-resistant glass fibre screen cloth obtain the interface enhancement layer being 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 lay one deck alkali-resistant glass fibre screen cloth, then lay anti-cracking and waterproofing mortar, on anti-cracking and waterproofing mortar, lay one deck alkali-resistant glass fibre screen cloth again obtain the interface enhancement layer above being positioned at, obtain polyurethane composite heat-conservation board.
6) by step 5) polyurethane composite heat-conservation board through conveying roll-in, wet cutting, maintenance, indulge transverse cuts and can obtain finished product polyurethane thermal insulation board.
Embodiment 6
The finished product polyurethane thermal insulation board obtained by embodiment 1-5 is tested its heat conductivility, water absorption rate, impact strength and fireproof performance, the results are shown in Table 1.Wherein heat conductivility measures by the regulation of GB/T 10294-2008, and water absorption rate measures according to the regulation of GB/T8810-2005.
Table 1 embodiment 1-5 the performance test results
As can be seen from Table 1, polyurethane thermal insulation board of the present invention has lower coefficient of thermal conductivity, is reaching under same heat insulating effect condition, and its insulation layer thickness used is less.In table 1, the coefficient of thermal conductivity of embodiment 1 is minimum.This is because embodiment 1 selects the diameter 5mm of 350 parts of polyurethane particles, unit weight is 40kg/m
3, be that waste polyurethane hard bubbles and to obtain through fragmentation; Simultaneously under the effect of 0.5 part of initator abietic resin, the introducing of the air bubble impelling heat preservation slurry trickle and stable, makes bubble distribution even, improves insulation impermeability, alleviates the weight of portland cement fully, high insulating effect.In water absorption rate, due to the synergy of organic adhesion agent, water-keeping thickening material and hydrophobic powder, make polyurethane thermal insulation board water absorption rate of the present invention far below standard-required.Impact strength and fireproof performance equalization meet user's requirement.
Claims (10)
1. a polyurethane composite heat-conservation board, is characterized in that, described warming plate is divided into three layers, is made up of two outside layers interface enhancement layer and the one layer of heat preservation core layer be clipped in the middle of two bed boundary enhancement layers; Described interface enhancement layer is made up of anti-cracking and waterproofing mortar and the alkali-resistant glass fibre screen cloth be wrapped in outside anti-cracking and waterproofing mortar; Described heat insulation core material layer is made up of heat preservation slurry, and described heat preservation slurry is made up of the raw material of following parts by weight: cement 550 ~ 600 parts, 200 ~ 250 parts, flyash, sierozem power 100 ~ 150 parts, 5 ~ 10 parts, gypsum, organic adhesion agent 15 ~ 20 parts, water-keeping thickening material 6 ~ 8 parts, air entraining agent 0.3 ~ 0.5 part, 3 parts, hydrophobic powder, 3 ~ 5 parts, lignin, polypropylene fibre 2 ~ 4 parts, 80 ~ 100 parts, water, polyurethane particles 300 ~ 350 parts.
2. polyurethane composite heat-conservation board according to claim 1, is characterized in that, described polyurethane particles is that waste polyurethane hard bubbles and to obtain through fragmentation, and unit weight is 35 ~ 40kg/m
3.
3. polyurethane composite heat-conservation board according to claim 1 and 2, it is characterized in that, described cement is Portland cement, described flyash is I level or II level flyash, described organic adhesion agent is redispersible latex powder, described water-keeping thickening material is selected from hydroxyethyl ether cellulose or hydroxypropylcelluloether ether, and described air entraining agent is abietic resin, alkylated aromatic sulfonic acid salt or fatty acid sulfonate, and described hydrophobic powder is silicone based.
4. polyurethane composite heat-conservation board according to claim 1 and 2, it is characterized in that, described anti-cracking and waterproofing mortar is made up of the component of following parts by weight: cement 250 ~ 280 parts, quartz sand 620 ~ 650 parts, dicalcium powder 50 ~ 60 parts, organic adhesion agent 30 ~ 36 parts, water-keeping thickening material 3 ~ 5 parts, 2 ~ 4 parts, hydrophobic powder, 3 ~ 5 parts, lignin, polypropylene fibre 2 parts, 180 ~ 200 parts, water.
5. polyurethane composite heat-conservation board according to claim 3, it is characterized in that, described anti-cracking and waterproofing mortar is grouped into by the one-tenth of following parts by weight: cement 250 ~ 280 parts, quartz sand 620 ~ 650 parts, dicalcium powder 50 ~ 60 parts, organic adhesion agent 30 ~ 36 parts, water-keeping thickening material 3 ~ 5 parts, 2 ~ 4 parts, hydrophobic powder, 3 ~ 5 parts, lignin, polypropylene fibre 2 parts, 180 ~ 200 parts, water.
6. polyurethane composite heat-conservation board according to claim 4, it is characterized in that, described cement is Portland cement, described quartzy Grains number is 30 ~ 150 orders, described dicalcium powder order number is 358 orders, described organic adhesion agent is redispersible latex powder, and described water-keeping thickening material is selected from hydroxyethyl ether cellulose or hydroxypropylcelluloether ether, and described hydrophobic powder is silicone based.
7. a preparation method for polyurethane composite heat-conservation board, is characterized in that, comprises the following steps:
1) anti-cracking and waterproofing mortar is prepared;
2) heat preservation slurry is prepared: first cement 550 ~ 600 parts, 200 ~ 250 parts, flyash, sierozem power 100 ~ 150 parts, 5 ~ 10 parts, gypsum, organic adhesion agent 15 ~ 20 parts, water-keeping thickening material 6 ~ 8 parts, air entraining agent 0.3 ~ 0.5 part, 3 parts, hydrophobic powder, 3 ~ 5 parts, lignin, polypropylene fibre 2 ~ 4 parts and polyurethane particles 300 ~ 350 parts are put into mixer and mix, then said mixture is added the mortar mixer having 80 ~ 100 parts of water to stir until form uniform slurry, then it is for subsequent use that this slurry is put into feed bin;
3) first lay one deck alkali-resistant glass fibre screen cloth, then lay anti-cracking and waterproofing mortar, then on anti-cracking and waterproofing mortar, lay one deck alkali-resistant glass fibre screen cloth obtain the interface enhancement layer being 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 lay one deck alkali-resistant glass fibre screen cloth, then lay anti-cracking and waterproofing mortar, on anti-cracking and waterproofing mortar, lay one deck alkali-resistant glass fibre screen cloth again obtain the interface enhancement layer above being positioned at, obtain polyurethane composite heat-conservation board.
8. the preparation method of polyurethane composite heat-conservation board according to claim 7, is characterized in that, polyurethane particles to be hard bubbled by waste polyurethane with mill to be ground into foam beads.
9. the preparation method of the polyurethane composite heat-conservation board according to claim 7 or 8, it is characterized in that, described step 1) anti-cracking and waterproofing mortar preparation method is: according to each component parts by weight, first by cement 250 ~ 280 parts, quartz sand 620 ~ 650 parts, dicalcium powder 50 ~ 60 parts, organic adhesion agent 30 ~ 36 parts, water-keeping thickening material 3 ~ 5 parts, 2 ~ 4 parts, hydrophobic powder, 3 ~ 5 parts, lignin and polypropylene fibre 2 parts are put into mixer and are mixed, then said mixture is added the mortar mixer having 180 ~ 200 parts of water to stir until form uniform slurry, then this slurry is put into feed bin for subsequent use.
10. the preparation method of the polyurethane composite heat-conservation board according to claim 7 or 8, it is characterized in that, described cement is Portland cement, described flyash is I level or II level flyash, described organic adhesion agent is redispersible latex powder, described water-keeping thickening material is selected from hydroxyethyl ether cellulose or hydroxypropylcelluloether ether, and described air entraining agent is abietic resin, alkylated aromatic sulfonic acid salt or fatty acid sulfonate, and described hydrophobic powder is silicone based.
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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 |
| CN108222401A (en) * | 2018-04-11 | 2018-06-29 | 王正恒 | Composite insulation boards integrated board and preparation process |
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| CN112721356A (en) * | 2020-12-30 | 2021-04-30 | 徐州和成建材科技有限公司 | Heat insulation board of composite waterproof mortar |
| CN112939541A (en) * | 2021-03-25 | 2021-06-11 | 河北联众谊诚混凝土有限公司 | Regenerated dry-mixed composite light aggregate concrete and preparation method thereof |
| CN113651573A (en) * | 2021-08-11 | 2021-11-16 | 重庆中科建筑科技(集团)有限公司 | Building floor heat-preservation sound-insulation board and processing method thereof |
| CN113585574A (en) * | 2021-08-30 | 2021-11-02 | 重庆中科建筑科技(集团)有限公司 | Floor heat-preservation sound-insulation board and processing method thereof |
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| CN113912346B (en) * | 2021-10-15 | 2022-08-12 | 河南融之科建材有限公司 | Green environment-friendly plastering dry-mixed mortar and preparation process thereof |
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