CN102731961B - Phenolic foam composite insulation material and production method thereof - Google Patents
Phenolic foam composite insulation material and production method thereof Download PDFInfo
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- CN102731961B CN102731961B CN201110315745.3A CN201110315745A CN102731961B CN 102731961 B CN102731961 B CN 102731961B CN 201110315745 A CN201110315745 A CN 201110315745A CN 102731961 B CN102731961 B CN 102731961B
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Abstract
The invention relates to a phenolic foam composite insulation material and a production method thereof. The insulation material comprises phenolic foam and lightweight particles, wherein the lightweight particles uniformly disperse in a phenolic foam matrix and are mutually spaced, and the phenolic foam and the lightweight particles are closely integrated together. The production method for the insulation material comprises the steps of uniformly mixing A-stage resin, a surfactant, a foaming agent and a toughening agent, adding the lightweight particles, carrying out uniform mixing, adding a curing catalyst and carrying out foaming and curing molding after uniform mixing. The insulation material provided in the invention has excellent thermal insulation performance and fireproof performance and good mechanical strength.
Description
Technical field:
The present invention relates to a kind of nonflammable lagging material and production method thereof, can be used for factory's pipeline and insulation of equipment, vehicle and boats and ships insulation and building heat preserving, belong to lagging material class.
Technical background:
Except the fields such as factory's pipeline and insulation of equipment, vehicle and boats and ships use thermal insulation material in a large number, along with the raising of people's living standard and the raising that energy-saving and emission-reduction are required, the requirement of lagging material is also improved day by day, particularly building exterior wall heat preserving to improving people's work and living condition, energy-conservation and to reduce greenhouse gas emission significant.The architecture exterior wall insulating materials of current domestic employing is mainly the organic insulation materials such as Expandable Polystyrene (EPS) foam board, foamed polystyrene plates, hard polyurethane fat foam board, these lagging material heat insulation effects are good, but this class organic insulation material ubiquity when easily burning, burning, produce toxic and harmful, flue gas severe large, have burning drip phenomenon, a poor common weakness of security, at constructure construction procedure, still in use procedure at ordinary times, all there is the danger of presence of fire, people's the security of the lives and property is constituted a threat to.For overcoming the common way adopting of above shortcoming, be in the course of processing, to add fire retardant, by adding fire retardant, can only limitedly improve the fire resistance of lagging material, but can not change, smoke density is large, the character of burning drippage, can not solve the burning of this class lagging material and the burning problem of stretching, also make lagging material cost obviously increase simultaneously.
Conventional is another kind of as inorganic heat insulation materials such as rock-wool heat insulation plate, pearlstone or kervit microbead insulated sand slurries; although this class lagging material has incombustible feature; but its heat insulation effect is well below organic insulation material; reach the same essential insulation layer thickness that increases of heat insulation effect; because of himself weight larger; the load that can increase buildings, the water-absorbent of inorganic heat insulation material also has influence on work-ing life.There is phenolic resin foam in recent domestic, the phenol formaldehyde foam type building thermal insulation materials such as phenolic resin foam composite board, this is unique a kind of organic insulation material that any fire retardant itself has excellent fire resistance that do not need to add, it has difficult combustion, low cigarette, high temperature resistant, not aging for a long time, the feature of dimensional stabilizing, there is fabulous insulation capacity, but the physical strength of phenol formaldehyde foam class lagging material is on the low side, the stressed rear easy efflorescence of material surface, limited the use of this lagging material, although the physical strength by material after interpolation toughner makes moderate progress, but still not ideal enough, people are also continuing to explore raising phenolic resin foam physical strength method.The raw material variety that some phenolic resin foam compounding insulating materials relate to is more, harsh to raw-material requirement, and production process is complicated, is unfavorable for applying.
Existing phenolic resin foam manufacture method is to take resol as main raw material, the auxiliary material that manufacturing processed adds adds curing catalysts (organic or inorganic acids) foamed solidification moulding after having whipping agent (as pentane), tensio-active agent (as tween-80), toughner (as polyoxyethylene glycol) etc. to mix, foaming and the temperature of curing molding be from normal temperature to 150 ℃, and curing molding required time is not from several minutes by several hours etc.
Summary of the invention:
The object of the present invention is to provide a kind of phenolic resin foam compound insulating material and production method thereof that there is good insulation and fire resistance and have better physical strength.
Technical scheme of the present invention is as follows: this kind of lagging material is comprised of phenolic resin foam and light granules, wherein phenolic resin foam is matrix, light granules is evenly dispersed in phenolic resin foam matrix, the light granules disperseing is surrounded by phenolic resin foam and isolation mutually, phenolic resin foam and light granules are closely as one, and have formed lagging material of the present invention.
Light granules in phenolic resin foam compound insulating material of the present invention comprises organic light granules and inorganic light weight particle, and wherein organic light granules comprises the light granules that the polystyrene foam particles of Expandable Polystyrene (EPS) expanded beads, recovery and the tailing of lagging material of the present invention reclaim after fragmentation; Wherein inorganic light weight particle is expanded perlite granule, glass bead particle; Also comprise the wherein mixing light particle of two or more particle.In lagging material of the present invention, the mass ratio of phenolic resin foam and light granules is 1: 0.1-1: 10, if adopt organic and inorganic mixing light particle, in mixing light particle, the mass ratio of organic granular and inorganic particle is 1: 0.1-1: 10.The Expandable Polystyrene (EPS) expanded beads that the present invention is used, can through foaming, make from Expandable Polystyrene (EPS), the light granules that also can use discarded polystyrene foam goods to reclaim after fragmentation, the polystyrene foam particles reclaiming can be equal to use with the Expandable Polystyrene (EPS) expanded beads of directly producing, the light granules that the tailing that lagging material production process involved in the present invention produces obtains after fragmentation, also can be used as organic light granules and Expandable Polystyrene (EPS) expanded beads is equal to use.
The whipping agent that the Foaming of phenolic resin relating in the lagging material of this and solidification process adopt, tensio-active agent, toughner and curing catalysts be respectively: whipping agent is water, pentane, hexane or its mixture, the tensio-active agent using is Tween-60, tween-80 or its mixture, the curing catalysts using is sulfuric acid, phosphoric acid, xylene monosulfonic acid, tosic acid or its mixture, toughner is polyoxyethylene glycol, cashew nut oil, urethane, glycerine etc., does not have can not add toughner in particular requirement lagging material of the present invention.The mass percent that the addition of related each material accounts for A rank resol is respectively: whipping agent 5-20%, tensio-active agent 3-10%, curing catalysts 8-25%, toughner 0.5-15%.The whipping agent of present method has adopted aliphatics alkane or water, and production process does not discharge the objectionable impurities of destroying atmospheric ozone layer.
When the light granules adopting in phenolic resin foam compound insulating material of the present invention is organic light granules, while particularly adopting Expandable Polystyrene (EPS) expanded beads, inflammable Expandable Polystyrene (EPS) expanded beads is dispersed in the phenolic resin foam matrix of difficult combustion, between Expandable Polystyrene (EPS) expanded beads, be full of phenolic resin foam, Expandable Polystyrene (EPS) expanded beads is surrounded by phenolic resin foam and isolation mutually, phenolic resin foam and Expandable Polystyrene (EPS) expanded beads are closely as one, formed the lagging material that contains organic light granules of the present invention.The Expandable Polystyrene (EPS) expanded beads of take can access as light granules adds in phenolic resin foam the compound insulating material that proportion is very light, this lagging material has good heat-insulating property and fire-retardant fireproof performance concurrently, when running into naked light, what be separated shrinks and carbonization in the incomplete expandable polystyrene particle of material surface, in the former Expandable Polystyrene (EPS) expanded beads of material surface position, form dome-type pit, avoided burning drip phenomenon completely, at material surface, form carbonization top layer, the Expandable Polystyrene (EPS) expanded beads of material internal surrounds under protection isolated with air at phenolic resin foam, also isolated with flame, can not burn, thereby whole lagging material remains the material of highly difficult combustion.Again owing to there being certain elastic Expandable Polystyrene (EPS) expanded beads to be evenly dispersed in phenolic resin foam, improved the mechanical property of phenol foam, the stressed rear Expandable Polystyrene (EPS) expanded beads of material surface first absorbs part energy, there is part recoverable deformation in particle self, all the other external force are disperseed along particle surface, make that phenolic resin foam is stressed is evenly difficult for efflorescence, and phenolic resin foam has given material nonflammable characteristic, both combinations, both overcome the poor and inflammable shortcoming of polystyrene foam of the physical strength of phenolic resin foam, difficulty combustion and the polystyrene foam particles of having brought into play again phenolic resin foam have certain elastic advantage, the existing good fire resistance of phenolic resin foam compound insulating material obtaining has again good physical strength.In phenolic resin foam, adding other benefits that Expandable Polystyrene (EPS) expanded beads brings is, the production cost of this lagging material is lower than pure phenolic resin foam lagging material, again because traditional Expandable Polystyrene (EPS) cellular insulant is inflammable substance, use aspect building heat preservation is restricted, if stop the use of polystyrene foamed series insulating material aspect building heat preservation completely, not only have influence on polystyrene heat-preservation material industry, also can have influence on polystyrene raw material industry, by add Expandable Polystyrene (EPS) expanded beads in phenolic resin foam, produce nonflammable lagging material, can consume a part of Expandable Polystyrene (EPS) raw material, be conducive to like this to protect original lagging material industry that Expandable Polystyrene (EPS) is raw material of take, also be conducive to protect polystyrene raw material manufacturing enterprise, can reduce the waste of social resources.The use of the polystyrene foam particles reclaiming is conducive to eliminate " white " pollution that polystyrene foamed plastics produces, and is conducive to environment protection.The tailing recoverable of lagging material of the present invention, thus generation and the raw-material waste of production process solid waste avoided.
When the light granules adopting in phenolic resin foam compound insulating material of the present invention is inorganic light weight particle, the inorganic light weight particle not firing is dispersed in the phenolic resin foam matrix of difficult combustion, between inorganic light weight particle, it is phenolic resin foam, inorganic light weight particle is surrounded by phenolic resin foam and isolation mutually, phenolic resin foam and inorganic light weight particle are closely as one, formed the lagging material that contains inorganic light weight particle of the present invention, the interpolation of inorganic light weight particle has further improved fire resistance and the resistance to elevated temperatures of lagging material, also improved the physical strength of lagging material simultaneously, and the heat-insulating property of material slightly reduces, want to reach the heat insulation effect same with adopting organic light granules lagging material, need suitably to increase insulation layer thickness, it is higher that this lagging material is suitable for environment for use temperature, the insulation occasion very high to fire protection requirement.
When the light granules adopting in phenolic resin foam compound insulating material of the present invention is organic and inorganic mixing light particle, mixing light particle is dispersed in the phenolic resin foam matrix of difficult combustion, between mixing light particle, it is phenolic resin foam, mixing light particle is surrounded by phenolic resin foam and isolation mutually, phenolic resin foam and mixing light particle are closely as one, formed the lagging material that simultaneously contains organic and inorganic mixing light particle, adopt the lagging material fire resistance of organic and inorganic mixing light particle manufacture between the organic light granules of pure employing and inorganic light weight particle, heat-insulating property is better than adopting pure inorganic light weight particle.This lagging material is suitable for the insulation occasion higher to fire protection requirement.
Embodiment:
The specific embodiment of the present invention comprises two kinds of methods; a kind of is interrupter method; another kind is continuous processing; two kinds of methods are provided by following processing step and specific embodiment; this production method is that A rank resol, whipping agent, tensio-active agent, toughner are mixed; mix with light granules again, then add curing catalysts again after mixing at the temperature of 50 ℃-120 ℃ curing molding, solidified forming time is 10 minutes-120 minutes.The concrete steps of interrupter method are as follows:
(1) first A rank resol is fully mixed with tensio-active agent, whipping agent, toughner in proportion, obtain mixture A, the mixing tank that this mixing process is used is complete mixed type stirring mixer;
(2) mixture A is fully mixed with light granules in proportion, obtain mixture B, this mixing process contacts each light granules surface completely with mixture A, to guarantee that phenolic resin foam and light granules are closely as one, this mixed effect is by being used spiral type stirring mixer to realize;
(3) in mixture B, add in proportion curing catalysts and mix, obtaining mixture C, the mixing tank that this mixing process is used is spiral type stirring mixer;
(4) mixture C is moved into die box curing molding at the temperature of 50 ℃-120 ℃, solidified forming time is 10 minutes-120 minutes, obtains phenolic resin foam compound insulating material of the present invention after curing molding.
Continuous processing is the related production unit of each production stage of phenolic resin foam compound insulating material of the present invention to be carried out to reasonable combination form tinuous production, makes phenolic resin foam compound insulating material realize serialization and produces, and easily be automated.Be different from interrupter method, in continuous processing, curing molding equipment need to be used track type or steel band type tunnel heating container, continuous processing is specifically for A rank resol, tensio-active agent, whipping agent, toughner is mixed to get the complete mixed type stirring mixer that mixture A is used, for mixture A and light granules, be mixed to get the spiral type stirring mixer that mixture B is used, after adding curing catalysts for mixture B, be mixed to get the spiral type stirring mixer that mixture C is used, for mixture C curing molding, obtain track type or this produced in series equipment of steel band type tunnel heating container that phenolic resin foam compound insulating material uses and through rationally, be combined to form a tinuous production, thereby on tinuous production, complete each technological process of producing phenolic resin foam compound insulating material.Compare continuous processing with interrupter method and be conducive to enhance productivity, guarantee constant product quality, be easy to existing automatic continuous production, can reduce hand labor intensity.
Embodiment 1:
The A rank resol of 1kg (product grade that the bright Chemical Co., Ltd. in Wuxi produces is 2130) is fully mixed with the tween-80 of 0.08kg and the pentane of 0.16kg, obtain mixture A; Mixture A is fully mixed with 1kg Expandable Polystyrene (EPS) expanded beads, obtain mixture B; In mixture B, add the sulfuric acid of 0.12kg and mix, obtaining mixture C; Mixture C is moved into die box, and temperature remains on 50 ℃ and continues 8 minutes, and the lagging material having foamed is shifted out to die box and naturally cools to normal temperature.The lagging material density obtaining is 35kg/m
3, thermal conductivity is 0.023W/M.K, oxygen index is 45%, ultimate compression strength 245Kpa.
Embodiment 2:
The Tween-60 of the A rank resol of 1kg and 0.06kg and 0.05kg polyoxyethylene glycol and 0.12kg hexane are fully mixed, obtain mixture A; Mixture A is fully mixed with 2kg Expandable Polystyrene (EPS) expanded beads, obtain mixture B; To adding the mixing cured catalyzer of 0.15kg phosphoric acid and sodium xylene sulfonate in mixture B and mixing, wherein the mass ratio of phosphoric acid and sodium xylene sulfonate is 1: 1, obtains mixture C; Mixture C is moved into die box, and temperature remains on 70 ℃ and continues 10 minutes, and the lagging material having foamed is shifted out to die box and naturally cools to normal temperature.The lagging material density obtaining is 41kg/m
3, thermal conductivity is 0.021W/M.K, oxygen index is 41%, ultimate compression strength 241Kpa.
Embodiment 3:
The A rank resol of 1kg is fully mixed with the tween-80 of 0.06kg and the hexane of 0.18kg, obtain mixture A; Mixture A is fully mixed with 5kg expanded perlite granule, obtain mixture B; To adding the mixing cured catalyzer of 0.15kg sulfuric acid and phosphoric acid in mixture B and mixing, wherein the mass ratio of sulfuric acid and phosphoric acid is 1: 1, obtains mixture C; Mixture C is moved into die box and keep 50 ℃ of temperature 25 minutes, the lagging material of foaming is shifted out to die box and naturally cools to normal temperature.The lagging material density obtaining is 300kg/m
3, thermal conductivity is 0.043W/M.K, and oxygen index is 49%, and ultimate compression strength is 385Kpa.
Embodiment 4:
The A rank resol of 1kg is fully mixed with 0.06kg tween-80 and 0.18kg water, obtain mixture A; Mixture A is fully mixed with 0.6kg Expandable Polystyrene (EPS) expanded beads and 2kg expanded perlite granule, obtain mixture B; In mixture B, add 0.16kg phosphoric acid and mix, obtaining mixture C; Mixture C is moved into track type tunnel heating container, keep 100 ℃ of temperature, control 10 minutes by track type tunnel heating container, then naturally cool to normal temperature.The lagging material density obtaining is 195kg/m
3, thermal conductivity is 0.038W/M.K, oxygen index is 47%, ultimate compression strength 342Kpa.
Embodiment 5:
By A rank resol, tween-80, the mixture A obtaining after hexane is mixed in proportion deposits a storage tank in, with volume pump, mixture A is driven into spiral type stirring mixer-1 continuously from storage tank, use at the same time screw feeder to spiral type stirring mixer-1 Expandable Polystyrene (EPS) expanded beads without interruption, the mass flux ratio of controlling mixture A and Expandable Polystyrene (EPS) expanded beads is 1: 1, in spiral type stirring mixer-1, under Stirring and thrust forward, what complete mixture A and Expandable Polystyrene (EPS) expanded beads is mixed to get mixture B, and mixture B is pushed in spiral type stirring mixer-2, with volume pump to spiral type stirring mixer-2 interior supply phosphoric acid, and the mass flux ratio of controlling mixture B and phosphoric acid is 1: 0.2, under spiral type stirring mixer Stirring and forward thrust effect, make mixture B mix and obtain mixture C with phosphoric acid, mixture C is pushed into track type tunnel heating container by the thrust of spiral type stirring mixer, keeping track type tunnel heating the temperature inside the box is 95 ℃, control mixture C is 15 minutes by the time of track type tunnel heating container, by the lagging material of curing molding from track type tunnel heating container takes out, naturally cool to normal temperature.The lagging material density obtaining is 36kg/m
3, thermal conductivity is 0.022W/M.K, oxygen index is 43%, ultimate compression strength 242Kpa.This embodiment by the mixing equipment relating to together with curing molding equipment reasonable combination, formed tinuous production, on tinuous production, complete each technological process of producing phenolic resin foam compound insulating material, realized the continuous production of lagging material of the present invention.
Gained lagging material can be applicable to different insulation occasions again after cutting processing is different size and shapes, for example sheet material can be used for that building heat preservation, tubing can be used for factory's piping insulation, profiled material can be used for shop equipment and boats and ships and vehicle insulation, at plate surface veneer, can increase material surface intensity and ornamental, for example, after plate surface is pasted aluminium foil, can be used for processing air-conditioning duct.
Phenolic resin foam compound insulating material provided by the invention has good insulation, difficult combustion, fire resistance and long-term not aging, dimensional stabilizing, good advantages such as physical strength, the production method providing is simple, can realize continuous automatic production, production process does not have waste water, waste gas and solid waste to produce, and is suitable for and applies.
Claims (3)
1. a phenolic resin foam compound insulating material, it is characterized in that, this kind of lagging material is comprised of phenolic resin foam and light granules, wherein phenolic resin foam is matrix, light granules is evenly dispersed in phenolic resin foam matrix, the light granules disperseing is surrounded by phenolic resin foam and isolation mutually, and phenolic resin foam and light granules are closely as one; Described light granules comprises organic light granules and inorganic light weight particle, and wherein organic light granules is that the polystyrene foam particles of Expandable Polystyrene (EPS) expanded beads, recovery is, the light granules that the tailing fragmentation of phenolic resin foam compound insulating material of the present invention is reclaimed afterwards; Inorganic light weight particle is expanded perlite granule, glass bead particle; The mass ratio of phenolic resin foam and light granules is 1:0.1-1:10; If adopt organic and inorganic mixing light particle, in mixing light particle, the mass ratio of organic granular and inorganic particle is 1:0.1-1:10.
2. the preparation method of a kind of phenolic resin foam compound insulating material claimed in claim 1; it is characterized in that this preparation method is interrupter method; specifically A rank resol is mixed with whipping agent, tensio-active agent, toughner; mix with light granules again; then add curing catalysts curing molding, implementation step is as follows:
(1) first A rank resol is mixed with tensio-active agent, whipping agent, toughner in proportion, obtain mixture A;
(2) mixture A is fully mixed with light granules in proportion, obtain mixture B; This mixing process contacts each light granules surface completely with mixture A, to guarantee that phenolic resin foam and light granules are closely as one, this mixed effect is by being used spiral type stirring mixer to realize;
(3) in mixture B, add in proportion curing catalysts and mix, obtaining mixture C; The mixing tank that this mixing process is used is spiral type stirring mixer;
(4) mixture C is moved into die box and the curing molding that foams at 50 ℃ of-120 ℃ of temperature, solidified forming time is 10 minutes-120 minutes.
3. the preparation method of a kind of phenolic resin foam compound insulating material claimed in claim 1, it is characterized in that this preparation method is continuous processing, specifically the related production unit of each step is combined to form to tinuous production, makes phenolic resin foam compound insulating material realize serialization and produce, specifically for A rank resol, tensio-active agent, whipping agent, toughner is mixed to get the complete mixed type stirring mixer that mixture A is used, for mixture A and light granules, be mixed to get the spiral type stirring mixer that mixture B is used, after adding curing catalysts for mixture B, be mixed to get the spiral type stirring mixer that mixture C is used, for mixture C curing molding, obtain track type or this produced in series equipment of steel band type tunnel heating container that phenolic resin foam compound insulating material uses and form a tinuous production by described sequential combination, thereby on tinuous production, complete each technological process of producing phenolic resin foam compound insulating material, foamed solidification mold temperature is 50 ℃-120 ℃, solidified forming time is 10 minutes-120 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110315745.3A CN102731961B (en) | 2011-10-18 | 2011-10-18 | Phenolic foam composite insulation material and production method thereof |
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| CN201110315745.3A CN102731961B (en) | 2011-10-18 | 2011-10-18 | Phenolic foam composite insulation material and production method thereof |
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| CN102731961A CN102731961A (en) | 2012-10-17 |
| CN102731961B true CN102731961B (en) | 2014-03-19 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103073804A (en) * | 2012-12-14 | 2013-05-01 | 刘开森 | Making method of fire retardation and heat insulation plates |
| CN103214642A (en) * | 2013-04-23 | 2013-07-24 | 王博 | Normal-temperature foamed modified phenolic resin and method for producing high-performance fireproof heat preservation plate by using normal temperature foamed modified phenolic resin |
| CN107383842A (en) * | 2017-08-01 | 2017-11-24 | 合肥欧仕嘉机电设备有限公司 | A kind of sound-absorbing building panel material and preparation method thereof |
| AU2018326719B2 (en) * | 2017-08-31 | 2024-02-15 | Logical Brands, Inc. | Animal toys with incorporated flavor compositions |
| CN109624183A (en) * | 2018-12-28 | 2019-04-16 | 滁州美业机械制造有限公司 | A kind of refrigerator shelf prepares forming method |
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| CN101717514A (en) * | 2009-12-10 | 2010-06-02 | 江苏丰彩新型建材有限公司 | Modified phenolic resin, foamed material thereof and method for preparing same |
| CN101863648A (en) * | 2010-06-11 | 2010-10-20 | 西安建筑科技大学 | A kind of preparation method of building sandwich wall insulation material |
| CN101885856A (en) * | 2010-07-02 | 2010-11-17 | 北京化工大学 | A kind of preparation method of isocyanate-terminated polyether/phenolic resin foam |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101717514A (en) * | 2009-12-10 | 2010-06-02 | 江苏丰彩新型建材有限公司 | Modified phenolic resin, foamed material thereof and method for preparing same |
| CN101863648A (en) * | 2010-06-11 | 2010-10-20 | 西安建筑科技大学 | A kind of preparation method of building sandwich wall insulation material |
| CN101885856A (en) * | 2010-07-02 | 2010-11-17 | 北京化工大学 | A kind of preparation method of isocyanate-terminated polyether/phenolic resin foam |
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