CN106496497A - Glass bead polyurethane foam composite and preparation method thereof - Google Patents
Glass bead polyurethane foam composite and preparation method thereof Download PDFInfo
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- CN106496497A CN106496497A CN201610882630.5A CN201610882630A CN106496497A CN 106496497 A CN106496497 A CN 106496497A CN 201610882630 A CN201610882630 A CN 201610882630A CN 106496497 A CN106496497 A CN 106496497A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/58—Epoxy resins
- C08G18/582—Epoxy resins having halogens
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4045—Mixtures of compounds of group C08G18/58 with other macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4829—Polyethers containing at least three hydroxy groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
- C08J9/145—Halogen containing compounds containing carbon, halogen and hydrogen only only chlorine as halogen atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
- C08J9/146—Halogen containing compounds containing carbon, halogen and hydrogen only only fluorine as halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
- C08K7/18—Solid spheres inorganic
- C08K7/20—Glass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0025—Foam properties rigid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/20—Ternary blends of expanding agents
- C08J2203/202—Ternary blends of expanding agents of physical blowing agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
Abstract
The present invention proposes a kind of glass bead polyurethane foam composite and preparation method thereof, it is made up of component A and B component, in parts by weight, component A is by 4～16 parts of brominated epoxy resin, 60～80 parts of polyether polyol, 5～10 parts of the glass bead of pretreatment, 1～4 part of catalyst, 15～30 parts of fire retardant, 15～30 parts of compositions of 1～3 part of stabilizer and foaming agent, B component is polyphenyl polymethylene polyisocyanates, the foaming agent is by 1～5 part of pentafluoropropane, 2～6 parts of compositions of five 6～12 parts of amyl fluorides and dichloroethanes, the preprocess method of the glass bead is：Sieved through sieve granularity is the glass bead of 32～120 mesh; it is added to the water and stirs 10～15 minutes, stand 10～20 minutes, fishes for floating glass bead on the water and dry to constant weight under conditions of 105 DEG C～120 DEG C; then room temperature is cooled to, that is, obtains the glass bead through pretreatment.The composite improves the mechanical property that anti-flammability keeps which excellent simultaneously.
Description
Technical field
The invention belongs to external wall body thermal insulation field of material technology, and in particular to a kind of glass bead polyurethane foam composite wood
Material and preparation method thereof.
Background technology
The organic insulation material of the present large-scale use of China's building energy conservation mainly has EPS (polystyrene foam), PS (to squeeze
Modeling polystyrene foam) and PU (polyurethane foam), belong to inflammable organic insulation material, the advantage of maximum be light weight, insulation, every
Hot good；Maximum defect is that fire savety is poor, easy aging, easy firing.If these novel building energy-saving materials are not passed through
Fire-retardant and drop cigarette chemical structure modification is crossed, is simply simply added fire retardant, all be there is serious disaster hidden-trouble, cause frequency tired
Cause Fire Accidents for Buildings, CCTV's fire sounds the alarm to the whole nation, therefore the fire protection flame retarding technology of inflammable organic insulation material and
The research of fireproof construction and its large-scale popularization and application, it has also become the major issue of relation China people's livelihood safety.
China is formulating a series of enforceable Research on Energy Saving, and this is undoubtedly to PU foam plasticss in building energy conservation
Large-scale use creates an opportunity to develop.But hard polyurethane foam is a kind of incendive organic material of appearance, it is in burning
When discharge a large amount of toxic smogs, can make one to be poisoned at short notice and suffocate.China's PU foam plasticss actually used in,
Fire incident constantly occurs.So if its fire savety can not effectively, effectively be solved the problems, such as, can not find one and have
The approach of abundant scientific evidence is solving the fire safety sex chromosome mosaicism during its use, then PU foam plasticss just cannot be at me
Large-scale promotion application is obtained in state's building energy conservation.So become the problems such as the resistance to combustion of polyurethane foam plastics, fire prevention to compel to be essential
Important topic to be solved, this problem are one of key factors that can RPUF continue development from now on.
Patent ZL200610043347.X, a kind of polyurethane rigid foam material for external thermal insulation system of external wall is proposed, including poly- ammonia
Ester Moistureproof primer, polyurethane hard material, interfacial agents, the cracking resistance polymer cement mortar and facing that include fiberglass gridding cloth
Coating.The generation for solving exterior-wall heat insulation cracking of wall surface is characterized in, surface smoothness and dicoration is improve.But the patent
The fire protection flame retarding of material is not referred to, heat insulation system related measure also without fire protection flame retarding.Other Patents
ZL200810204580.0 proposes a kind of spray coating type polyurethane exterior wall heat-preserving system and its construction method, polyurethane direct spraying
On the base course wall for scribbling Moistureproof primer, hard polyurethane foam is externally provided with screed-coat, is provided with boundary between screed-coat and hard polyurethane foam
Facing sand is starched, and it is decorative mortar that screed-coat is externally provided with outside alkaline-resisting grid cloth, grid cloth.The characteristics of this heat-insulation system is that simple structure is applied
Work is quick, can effectively prevent the defects such as metope hollowing, cracking, infiltration.The patent proposes system and there is back-fire relief function, its back-fire relief
The realization of function by boundary mortar and polymer mortar iris action of wiping one's face realizing, to polyurethane rigid foam material itself
Fire protection flame retarding do not refer to that and the fire protection flame retarding of hard polyurethane foam itself is bad, the fire prevention resistance of whole system will be have impact on
Fuel efficiency fruit.Patent CN200810105000.2 discloses a kind of preparation method of polyurethane/phenolic aldehyde foam thermal insulation material, using different
Cyanate is modified to phenolic resin with the prepolymer of polyether polyol, adds surfactant, foaming agent, at room temperature certainly
By foaming, polyurethane/phenolic aldehyde foam thermal insulation material is prepared, gained cellular insulant has little surface efflorescence, good toughness, fire resisting
The advantages of performance is good.But the system is the flexible phenol resin foam system of one kind polyurethane increase in essence,
Its mechanical property and adhesive property with polyurethane system cannot compared with.
Content of the invention
For the subject matter for combining the presence of hard polyurethane foam heat-insulation system at present both at home and abroad, in conjunction with current rigid polyurethane
The progress of bubble fire protection flame retarding technology, polyurethane heat insulation material reach GB B1 level or higher fire-protection rating, and single adds
Plus fire retardant technology is unable to solve problem, and it is mutual with mechanical property to there is Polyurethane Thermal Insulation Building Materials fire retardant performance
The problem of contradiction, the present invention propose a kind of glass bead polyurethane foam composite, and the composite improves anti-flammability simultaneously
Keep the mechanical property which is excellent.
The technical scheme is that and be achieved in that：
A kind of glass bead polyurethane foam composite, is made up of component A and B component, in parts by weight, A
Component is by 4～16 parts of brominated epoxy resin, 60～80 parts of polyether polyol, 5～10 parts of the glass bead of pretreatment, catalyst 1
15～30 parts of～4 parts, 15～30 parts of fire retardant, 1～3 part of stabilizer and foaming agent are constituted, and B component is polyphenyl polymethylene
Polyisocyanates, the foaming agent are made up of for 2～6 parts with dichloroethanes 1～5 part of pentafluoropropane, 6～12 parts of five amyl fluoride, institute
The preprocess method for stating glass bead is：Sieved through sieve granularity is the glass bead of 32～120 mesh, is added to the water and stirs 10～15
Minute, 10～20 minutes are stood, and are fished for floating glass bead on the water and perseverance are dried under conditions of 105 DEG C～120 DEG C
Weight, is then cooled to room temperature, that is, obtains the glass bead through pretreatment.
Further, the polyether polyol is 4～5 degrees of functionality, and molecular weight is 500～700 polyether polyol.
Further, brominated epoxy resin is prepared for raw material with epoxychloropropane by tetrabromobisphenol, and its epoxide equivalent is
450～480g/eq, bromine content are 48～52wt%.
Further, the catalyst is dibutyl tin laurate, stannous octoate, tin acetate, dibutyltin diacetate or two
Acetic acid dioctyl tin.
Further, the fire retardant is tricresyl phosphate (2- chloroethyls) ester, methyl-phosphoric acid dimethyl ester, three (2,3- dibromopropyls)
Poly-isocyanurate or tribromoneoamyl alcohol.
Further, stabilizer is silicone oil.
It is a further object to provide a kind of preparation method of glass bead polyurethane foam composite, including
Following steps：By brominated epoxy resin, polyether polyol, dichloroethanes and five amyl fluoride premixings, pretreatment is simultaneously introduced
Glass bead, stabilizer, catalyst, fire retardant and pentafluoropropane obtain component A, and polyphenyl polymethylene polyisocyanates are made
For B component, it is 1.05～1.15 by component A and B component mixed foaming, isocyanate index, obtains glass bead polyurethane foam
Foam composite.
Further, component A is 1: 1～1.8 with the mixed weight ratio of B component.
In the present invention, the preprocess method of glass bead is：Sieved through sieve granularity is the glass bead of 32～120 mesh, adds
Stir in water 10～15 minutes, stand 10～20 minutes, fish for floating glass bead on the water and in 105 DEG C～120 DEG C
Under conditions of dry to constant weight, be then cooled to room temperature, that is, obtain the glass bead through pretreatment.So that material is at short notice
Uniform heating, foam rise are fast, and foam growth motive force can effectively overcome the gravitational resistance of glass bead, the bubble that polyurethane is formed
Foam structure is preferable, and can realize with glass bead and fire retardant good compound.
The present invention adopts the main purpose of epoxy resin modification hard polyurethane foam for epoxide group and isocyanates reaction life
Into high heat-resisting poly- oxazolone compound, the polyurethane foam that different epoxy resin can obtain different thermostabilitys is therefore introduced
Plastics；If the fire resistance that can reduce hard polyurethane foam using common epoxy resin, therefore the present invention is using market
The fire-retarded epoxy resin brominated epoxy resin of change, that is, the thermostability for improving hard polyurethane foam improve its anti-flammability again.
Polyether polyol of the present invention also includes based polyether polyol containing tertiary amine, can be by polynary primary or secondary amine and epoxy
Compound ring-opening reaction is obtained, the carbon number of polyamine between 2～18, specifically include ethylenediamine polypropylene oxide tetrol or
Diethylenetriamine polypropylene oxide pentol.
In the present invention, described fire retardant is tricresyl phosphate (2- chloroethyls) ester, methyl-phosphoric acid dimethyl ester, three (2.3 dibromos
Propyl group) poly-isocyanurate or tribromoneoamyl alcohol, these fire retardants belong to addition type or reactive flame retardant, with polyurethane system
The compatibility is good, and after addition, system can keep prolonged stability, and to the Effect on Mechanical Properties of hard polyurethane foam itself compared with
Little, flame-retardant smoke inhibition effect is significant used in hard polyurethane foam system.
The invention has the beneficial effects as follows product has higher fire resistance and excellent mechanical property simultaneously.
Specific embodiment
Embodiment 1
A kind of glass bead polyurethane foam composite, is made up of component A and B component, in parts by weight, A
Component is by 4 parts of brominated epoxy resin, 60 parts of polyether polyol, 7 parts of glass bead, 1 part of dibutyl tin laurate, methyl acid phosphate two
15 parts of methyl ester, 15 parts of compositions of 1 part of silicone oil and foaming agent, B component is polyphenyl polymethylene polyisocyanates, the foaming agent
It is made up of for 4 parts with dichloroethanes 1 part of pentafluoropropane, 6 parts of five amyl fluoride.Component A is 1: 1 with the mixed weight ratio of B component.
The preprocess method of glass bead is：Sieved through sieve granularity is the glass bead of 32～120 mesh, is added to the water and stirs
10 minutes, 10 minutes are stood, fish for floating glass bead on the water and dry to constant weight under conditions of 105 DEG C, Ran Houleng
But room temperature is arrived, that is, obtains the glass bead through pretreatment
Preparation method, comprises the following steps：Will be pre- with five amyl fluorides to brominated epoxy resin, polyether polyol, dichloroethanes
Mixing, is simultaneously introduced glass bead, silicone oil, dibutyl tin laurate, methyl-phosphoric acid dimethyl ester and pentafluoropropane and obtains component A,
Using polyphenyl polymethylene polyisocyanates as B component, by component A and B component mixed foaming, isocyanate index it is
1.05, obtain glass bead polyurethane foam composite.
Embodiment 2
A kind of glass bead polyurethane foam composite, is made up of component A and B component, in parts by weight, A
Component is by 10 parts of brominated epoxy resin, 70 parts of polyether polyol, 5 parts of glass bead, 2 parts of stannous octoate, tricresyl phosphate (2- chloroethenes
Base) 24 parts of 24 parts of ester, 2 parts of silicone oil and foaming agent composition, B component is polyphenyl polymethylene polyisocyanates, the foaming
Agent is made up of for 2 parts with dichloroethanes 3 parts of pentafluoropropane, 9 parts of five amyl fluoride.Component A is 1: 1.4 with the mixed weight ratio of B component.
The preprocess method of glass bead is：Sieved through sieve granularity is the glass bead of 32～120 mesh, is added to the water and stirs
15 minutes, 20 minutes are stood, fish for floating glass bead on the water and dry to constant weight under conditions of 120 DEG C, Ran Houleng
But room temperature is arrived, that is, obtains the glass bead through pretreatment.
Preparation method, comprises the following steps：Will be pre- with five amyl fluorides to brominated epoxy resin, polyether polyol, dichloroethanes
Mixing, is simultaneously introduced glass bead, silicone oil, stannous octoate, tricresyl phosphate (2- chloroethyls) ester and pentafluoropropane and obtains component A, will
Used as B component, by component A and B component mixed foaming, isocyanate index is 1.1 to polyphenyl polymethylene polyisocyanates, obtains
Arrive glass bead polyurethane foam composite.
Embodiment 3
A kind of glass bead polyurethane foam composite, is made up of component A and B component, in parts by weight, A
Component is by 16 parts of brominated epoxy resin, 80 parts of polyether polyol, 10 parts of glass bead, 4 parts of dioctyl tin diacetate, tribromo new penta
30 parts of 30 parts of alcohol, 3 parts of silicone oil and foaming agent composition, B component is polyphenyl polymethylene polyisocyanates, the foaming agent by
5 parts of pentafluoropropane, 12 parts of five amyl fluoride are constituted for 6 parts with dichloroethanes.Component A is 1: 1.8 with the mixed weight ratio of B component.
Preparation method, comprises the following steps：Will be pre- with five amyl fluorides to brominated epoxy resin, polyether polyol, dichloroethanes
Mixing, is simultaneously introduced glass bead, silicone oil, dioctyl tin diacetate, tribromoneoamyl alcohol and pentafluoropropane and obtains component A, will be many
Used as B component, by component A and B component mixed foaming, isocyanate index is 1.15 to phenyl polymethylene polyisocyanates, obtains
Arrive glass bead polyurethane foam composite.
Embodiment 4
The glass bead polyurethane foam composite that embodiment 1-3 is prepared carries out comprcssive strength and oxidation refers to
The performance measurements such as number, the results are shown in Table 1.
1 embodiment 1-3 glass bead polyurethane foam composite performance parameter of table
Presently preferred embodiments of the present invention is the foregoing is only, not in order to limit the present invention, all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements that is made etc. should be included within the scope of the present invention.
Claims (8)
1. a kind of glass bead polyurethane foam composite, is made up of component A and B component, it is characterised in that according to weight portion
Number calculate, component A by 4～16 parts of brominated epoxy resin, 60～80 parts of polyether polyol, 5～10 parts of the glass bead of pretreatment,
1～4 part of catalyst, 15～30 parts of fire retardant, 15～30 parts of compositions of 1～3 part of stabilizer and foaming agent, B component is many phenyl
Polymethylene polyisocyanates, the foaming agent is by 2～6 parts of 1～5 part of pentafluoropropane, 6～12 parts of five amyl fluoride and dichloroethanes
Constitute, the preprocess method of the glass bead is：Sieved through sieve granularity is the glass bead of 32～120 mesh, is added to the water and turns over
Stir 10～15 minutes, stand 10～20 minutes, fish for floating glass bead on the water and in 105 DEG C～120 DEG C of condition
Under dry to constant weight, be then cooled to room temperature, that is, obtain the glass bead through pretreatment.
2. glass bead polyurethane foam composite according to claim 1, it is characterised in that the polyether polyol
For 4～5 degrees of functionality, molecular weight is 500～700 polyether polyol.
3. glass bead polyurethane foam composite according to claim 1, it is characterised in that the brominated oxygen tree
Fat is prepared for raw material with epoxychloropropane by tetrabromobisphenol, its epoxide equivalent be 450～480g/eq, bromine content be 48～
52wt%.
4. glass bead polyurethane foam composite according to claim 1, it is characterised in that the catalyst is the moon
Dilaurylate, stannous octoate, tin acetate, dibutyltin diacetate or dioctyl tin diacetate.
5. glass bead polyurethane foam composite according to claim 1, it is characterised in that the fire retardant is phosphorus
Sour three (2- chloroethyls) ester, methyl-phosphoric acid dimethyl ester, three (2,3- dibromopropyl) poly-isocyanurates or tribromoneoamyl alcohol.
6. glass bead polyurethane foam composite according to claim 1, it is characterised in that stabilizer is silicone oil.
7. the method for preparing the glass bead polyurethane foam composite as described in claim 1 to 6 any one, its feature
It is, comprises the following steps：By brominated epoxy resin, polyether polyol, dichloroethanes and five amyl fluoride premixings, it is simultaneously introduced
The glass bead of pretreatment, stabilizer, catalyst, fire retardant and pentafluoropropane obtain component A, by polyphenyl polymethylene polyisocyanate
Component A and B component mixed foaming, isocyanate index are 1.05～1.15, obtain glass bead as B component by cyanate
Polyurethane foam composite.
8. the preparation method of glass bead polyurethane foam composite according to claim 7, it is characterised in that A groups
It is 1: 1～1.8 to divide the mixed weight ratio with B component.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163209A (en) * | 2017-07-18 | 2017-09-15 | 合肥万之景门窗有限公司 | A kind of hard polyaminoester external wall flame-retarding heat-preserving material and preparation method thereof |
| CN109401280A (en) * | 2018-10-10 | 2019-03-01 | 苏州市雄林新材料科技有限公司 | A kind of TPU colorful film and preparation method thereof |
| CN114960227A (en) * | 2022-07-05 | 2022-08-30 | 常熟新常泰汽车内饰科技有限公司 | High-strength automobile cover plate and machining process thereof |
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