CN107446112A - Compound polyurethane material - Google Patents
Compound polyurethane material Download PDFInfo
- Publication number
- CN107446112A CN107446112A CN201610395105.0A CN201610395105A CN107446112A CN 107446112 A CN107446112 A CN 107446112A CN 201610395105 A CN201610395105 A CN 201610395105A CN 107446112 A CN107446112 A CN 107446112A
- Authority
- CN
- China
- Prior art keywords
- isocyanate
- tdi
- toluene
- polyurethane
- polyurethane material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- 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
- C08G18/4804—Two or more polyethers of different physical or chemical nature
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7607—Compounds of C08G18/7614 and of C08G18/7657
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention provides a kind of compound polyurethane material, include polyurethane matrix and elastic granule, the elastic granule is coated in the polyurethane matrix, the polyurethane matrix is prepared by polyurethane resin composition, the polyurethane resin composition includes isocyanate component A), the isocyanate component A) include the Isocyanate prepolymers body prepared by toluene di-isocyanate(TDI) residue.
Description
Technical field
The present invention relates to a kind of compound polyurethane material, comprising polyurethane matrix and elastic granule, the bullet
For property particles coat in the polyurethane matrix, the polyurethane matrix passes through polyurethane resin composition system
Standby, the polyurethane resin composition includes isocyanate component A), the isocyanate component A) bag
Containing the Isocyanate prepolymers body prepared by toluene di-isocyanate(TDI) residue.Polyurethane provided by the invention
Composite has good physical and mechanical property, can be used for low noise road surface, runway, ballast pad,
The fields such as curb stone.
Background technology
As control of the countries in the world to noise is more and more severeer, in the close outlet of highway and toll zone
Domain, and urban district school zone or low noise area, it usually needs deceleration strip and low noise pavement are set, it is right in addition
It is also required to set ballast pad to reduce noise in train railway roadbed.Such material is generally made up of rubber, these
Material is in the presence of substantial load, it may appear that peeling, displacement and broken and functional deterioration problem occurs,
Time-consuming, laborious maintenance must be often carried out to it, be greatly reduced road carrying capacity and it is current can
By property.
Toluene di-isocyanate(TDI) (TDI) is made typically by toluenediamine (TDA) with phosgene reaction
Toluene di-isocyanate(TDI) crude product, crude product progress distillation purifying is then obtained into required product.
In actual toluene di-isocyanate(TDI) crude product still-process, substantial amounts of higher boiling distillation leftover can be produced,
These residues have toxicity, and are difficult to handle, and it is individual tight for TDI industry to discard the residue
Weight problem, it is not only uneconomical, and safety problem can be brought.Therefore the processing for residue and synthesis
Using as a critical process in TDI production technologies.
Therefore there remain a need in the art of want one kind can effectively to handle TDI residues, again there is good damping to imitate
The material of fruit.
Summary of the invention
It is described comprising polyurethane matrix and elastic granule the invention provides a kind of compound polyurethane material
Elastic granule is coated in the polyurethane matrix, and the polyurethane matrix passes through polyurethane resin composition
Prepare, the polyurethane resin composition includes：
A) isocyanate component, the isocyanate component includes a kind of Isocyanate prepolymers body, described
The NCO content of Isocyanate prepolymers body is 8-26wt.%, the gross weight based on the Isocyanate prepolymers body
Measure based on 100wt.%, and prepared by including following component：
A1) toluene di-isocyanate(TDI) residue, the toluene di-isocyanate(TDI) residue, which is selected from, passes through light
The distillation leftover of toluene di-isocyanate(TDI) prepared by gas method, wherein toluene di-isocyanate(TDI) are residual
It is 5-45wt.% to stay thing NCO content, based on the total of the toluene di-isocyanate(TDI) residue
Weight presses 100wt.%；
A2) one or more polyisocyanates；With
A3) the first polyalcohol, the degree of functionality of first polyalcohol is 2.0-3.0, hydroxyl value 18-200
mgKOH/g。
In an embodiment of the invention, the polyurethane resin composition also includes isocyanate-reactive
Component B), the isocyanate-reactive component includes
B1) the second polyalcohol, the hydroxyl value of second polyalcohol are 20-800mgKOH/g, degree of functionality
For 2-6；
B2) one or more chain extenders；With
B3) one or more foaming agents；
In an embodiment of the invention, the NCO content of the Isocyanate prepolymers body is 8-16wt.%,
Gross weight based on the Isocyanate prepolymers body is based on 100wt.%.
In an embodiment of the invention, the toluene di-isocyanate(TDI) residue, which is selected from, passes through gas phase phosgene
The distillation leftover of toluene di-isocyanate(TDI) prepared by method.
In another embodiment, the content of the toluene di-isocyanate(TDI) residue is 15-40
Wt.%, the gross weight based on the isocyanate component is based on 100wt.%.
In another embodiment of the invention, the particle diameter of the elastic granule is 1-10mm.
In a still further embodiment of the present invention, the elastic granule is by selected from following one or more materials
Prepare：Rubber and thermoplastic polyurethane.
In a still further embodiment of the present invention, the content of the elastic granule is 40-90wt.%, based on institute
The gross weight for stating compound polyurethane material is counted for 100wt.%.
In a still further embodiment of the present invention, the compound polyurethane material is selected from：Low noise road surface, runway,
Ballast pad, curb stone.
In a still further embodiment of the present invention, the thickness of the compound polyurethane material is 8-40mm.
Embodiment
One aspect of the present invention provides a kind of compound polyurethane material, and the compound polyurethane material is with TDI
Residue is raw material, and the composite of preparation has good damping effect, can be used for preparing low noise
The fields such as road surface, runway, ballast pad, curb stone.
Compound polyurethane material provided by the invention includes polyurethane matrix and elastic granule, the elasticity
Grain is coated in the polyurethane matrix, and the polyurethane matrix is prepared by polyurethane resin composition,
The polyurethane resin composition includes：
A) isocyanate component, the isocyanate component includes a kind of Isocyanate prepolymers body, described
The NCO content of Isocyanate prepolymers body is 8-26wt.%, preferably 8-16wt.%, more preferably 8-13
Wt.%, the gross weight based on the Isocyanate prepolymers body is based on 100wt.%, the Isocyanate prepolymers
Body comprising following component by preparing：
A1) toluene di-isocyanate(TDI) residue, the toluene di-isocyanate(TDI) residue, which is selected from, passes through light
The distillation leftover of toluene di-isocyanate(TDI) prepared by gas method, wherein toluene di-isocyanate(TDI) are residual
It is 5-45wt.% to stay thing NCO content, based on the total of the toluene di-isocyanate(TDI) residue
Weight presses 100wt.%；
A2) one or more polyisocyanates；With
A3) the first polyalcohol, the degree of functionality of first polyalcohol is 2.0-3.0, hydroxyl value 18-200
mgKOH/g。
In embodiments of the present invention, described toluene di-isocyanate(TDI) residue a1) selected from passing through phosgenation
The distillation leftover of the toluene di-isocyanate(TDI) of preparation.The known phosgenation of those skilled in the art prepares toluene
The technique of diisocyanate, it is typically made up of 4 steps：
(1) toluene and nitric acid reaction generation dinitrotoluene (DNT) (DNT)；
(2) DNT and hydrogen reaction generation toluenediamine (TDA)；
(3) TDA and phosgene reaction generation toluene di-isocyanate(TDI) (TDI)；
(4) distilation TDI is passed through.
Toluene di-isocyanate(TDI) residue available for the present invention refers to obtain after distilation in the 4th step
The distillation leftover arrived, wherein toluene di-isocyanate(TDI) residue NCO content are 5-45wt.%, preferably
For 10-39wt.%, more preferably 25-38wt.%, based on the total of the toluene di-isocyanate(TDI) residue
Weight presses 100wt.%.
In the preferred embodiment of the invention, toluene di-isocyanate(TDI) residue, which is selected from, passes through gas phase phosgenation
The distillation leftover of the toluene di-isocyanate(TDI) of preparation.Gas phase phosgenation method is characterised by above-mentioned steps (3)
In, TDA, through gas phase reaction, preferably at a temperature of 200-600 DEG C, prepares toluene diisocyanate with phosgene
Acid esters.
Component for preparing Isocyanate prepolymers body also includes one or more polyisocyanates a2), institute
State polyisocyanates a2) example include but is not limited to methyl diphenylene diisocyanate (MDI), poly- two
Methylenebis phenyl isocyanate (PMDI) or its combination, described methyl diphenylene diisocyanate, gather
Methyl diphenylene diisocyanate or content of its combination are 60-85wt.%, preferably 70-85wt.%, base
In the isocyanate composition gross weight based on 100wt.%.
In one embodiment of the invention, polyisocyanates a2) aliphatic, alicyclic can also be included
And aromatic diisocyanate and/or polyisocyanates, the example include but is not limited to：Isosorbide-5-Nitrae-Aden
Group diisocyanate, 1,5- pentane diisocyanates, 1,6- hexamethylene diisocyanates (HDI), different Buddhist
Your ketone diisocyanate (IPDI), 2,2,4- and/or 2, it is 4,4- trimethyl hexamethylene diisocyanates, double
(4,4 '-isocyanatocyclohexyl) methane or it is different with mixture, the Isosorbide-5-Nitrae-cyclohexylidene two of other isomers
Cyanate, Isosorbide-5-Nitrae-phenylene diisocyanate, 1,5- naphthalene diisocyanates, 1,3- and/or Isosorbide-5-Nitrae-durol diformazan
Group diisocyanate (TMXDI), 1,3- XDIs (XDI).
Component for preparing Isocyanate prepolymers body also includes the first polyalcohol a3), described more than first yuan
The degree of functionality of alcohol is 2.0-3.0, hydroxyl value 18-200mgKOH/g.In an embodiment of the invention,
First polyalcohol is selected from PPG.
In some embodiments of the invention, the urethane composition also includes isocyanate-reactive component
B), the isocyanate-reactive component includes
B1) the second polyalcohol, the hydroxyl value of second polyalcohol are 20-800mgKOH/g, degree of functionality
For 2-6；
B2) one or more chain extenders；With
B3) one or more foaming agents.
Available for the present invention the second polyalcohol b1) hydroxyl value be 20-800mgKOH/g, degree of functionality is
2-6.In an embodiment of the invention, second polyalcohol is selected from PPG.
Chain extender available for the present invention is generally less than 800 compound containing reactive hydrogen atom from molecular weight,
Preferred molecular weight is 18-400 compound containing reactive hydrogen atom.The compound containing reactive hydrogen atom, it is excellent
Select but be not limited to, alkyl diol, two alkylene dihydric alcohols, poly- alkyl polyols, their mixture,
Such as：Ethylene glycol, BDO, 1,6- hexylene glycols, 1,7- heptandiols, 1,8- ethohexadiols, 1,9- nonyls two
Alcohol, 1,10- decanediols, diethylene glycol (DEG), DPG, polyoxyalkylene glycol, their mixture.
The compound containing reactive hydrogen atom, can also include it is other grafting or undersaturated alkyl diol, they
Mixture, such as：1,2-PD, 2- methyl isophthalic acids, ammediol, NPG,
2- butyl -2- ethyls -1,3-PD, 2- butene-1s, 4- glycol, 2- butine-Isosorbide-5-Nitrae-glycol, alkanolamine,
The alkanolamine of N- alkyl two such as monoethanolamine, 2- Propanolamines, 3- amino -2,2- dimethyl propyl alcohol, N- methyl two
Monoethanolamine, N- ethyldiethanolamines, their mixture.The compound containing reactive hydrogen atom, may be used also
With including aliphatic amine, aromatic amine, their mixture, such as：1,2- ethylenediamine, 1,3- propane diamine,
Putriscine, 1,6- hexamethylene diamines, IPD, Isosorbide-5-Nitrae-cyclohexanediamine, N, N '-diethyl-benzene
Base diamines, 2,4- diaminotoluenes, 2,6- diaminotoluenes, their mixture.
Physical blowing agent or CBA b3 available for the present invention), it is preferably but not limited to water, halo
Hydrocarbon, hydrocarbon compound, gas.The halogenated hydrocarbons, it is preferably but not limited to chlorodifluoronmethane, dichloro
One fluomethane, dichloro fluomethane, trichlorofluoromethane or their mixture.The hydro carbons
Compound, be preferably but not limited to butane, pentane, pentamethylene, hexane, hexamethylene, heptane or they
Mixture.The gas, it is preferably but not limited to air, CO2Or N2.The foaming agent, it is especially excellent
Select water.The density that the dosage of the foaming agent reaches desired by the polyurethane determines.
Those skilled in the art as needed can be by catalyst and surfactant, fire retardant, filler
Or other suitable additives are used to prepare compound polyurethane material of the invention.
Catalyst of the present invention, be preferably but not limited to amines catalyst, organo-metallic catalyst or
Their mixture.Described amines catalyst, it is preferably but not limited to triethylamine, tri-butylamine, three
Ethylene diamine, N-ethylmorpholine, N, N, N ', N '-tetramethyl-ethylenediamine, pentamethyl diethylene-triamine,
N, methylphenylamine, DMA or their mixture.Described organo-metallic catalyst,
Organic tin compound is preferably but not limited to, such as：Tin acetate (II), tin octoate (II), ethyl hexyl
Sour tin, tin laurate, Dibutyltin oxide, dibutyl tin dichloride, dibutyl tin acetate, two fourths
Base maleic acid tin, dioctyl oxalic acid tin and combinations thereof.
The example that can be used for the fire retardant of the present invention includes but is not limited to：Triaryl phosphate, tricresyl phosphate
Arrcostab, the triaryl phosphate with halogen or trialkylphosphate, melamine, melamine tree
Fat, the paraffin of halogenation, red phosphorus or its composition.
Can be used for the filler of the present invention can be selected from：Aluminium hydroxide, bentonite, flyash, wollastonite,
It is crushed crude pearlite, floating bead, calcium carbonate, talcum powder, mica powder, china clay, gas-phase silica, inflatable micro-
Ball, diatomite, volcanic ash, barium sulfate, calcium sulfate, glass microsphere, stone flour, wood powder, wood chip, bamboo
Powder, bamboo scraps, the grain of rice, stalk chip, kaoliang stalk chip, graphite powder, metal dust, thermosetting are compound
Material recovery powder, plastic grain or powder or its combination.Wherein glass microsphere can also may be used to be solid
Think hollow.
Particle diameter available for the elastic granule of the compound polyurethane material of the present invention is 1-10mm, and content is
40-90wt.%, the gross weight based on the compound polyurethane material are counted for 100wt.%.In the present invention one
In a little embodiments, the elastic granule is by selected from following one or more materials preparation：Rubber, thermoplastic
Property polyurethane.In some embodiments of the invention, the elastic granule is standby by the rubber system reclaimed.
Compound polyurethane material provided by the invention can be used for low noise road surface, runway, ballast pad, curb
The fields such as stone.
In some embodiments of the invention, the thickness of compound polyurethane material is 8-40mm.
In some embodiments of the invention, the tensile strength of compound polyurethane material is 0.3-20Mpa, close
Spend for 0.5-1.5g/cm3, hardness is 10-90shore A, preferably 50-70shore A, extension at break
Rate is 30-550%, preferably 30-200%.
Another aspect of the present invention provides the preparation method of above-mentioned compound polyurethane material.
The compound polyurethane material of the present invention can be prepared by way of accomplished continuously or intermittently.Between described
In the method having a rest, prepare mould first, then by polyurethane resin composition and the mixture of elastic granule
It is applied on mould, the polyurethane resin composition for being mixed with elastic granule is reacted in mould, is formed
Product after curing molding is removed from the molds i.e. by polyurethane foam matrix material so as to wrap up elastic granule
Obtain compound polyurethane material of the present invention.In described continuation method, elastic granule is disperseed
In substrate, according to being actually needed, elastic granule can apply one or more layers, then polyurethane resin
Composition is applied on elastic granule layer by way of spraying or pouring into a mould, and polyurethane resin composition is anti-
Polyurethane foam matrix material parcel elastomer particles are formed after should solidifying so as to form the polyurethane of the present invention
Composite.The substrate can be highway subgrade, runway roadbed, track bed etc..According to actual need
Will, different-thickness can be obtained by adjusting position and the time of polyurethane resin composition administration
Compound polyurethane material.
Embodiment
The present invention is expanded on further with reference to specific embodiment.But those skilled in the art should
What is understood is that these embodiments are merely to illustrate the present invention and are not meant to limit the scope of the invention.
Illustrate the present invention using embodiment.
The raw material and description of equipment referred in context is as follows：
TDI liquid bottoms：NCO content 34-45wt.%；
Desmodur 44MC：MDI monomer, NCO content 33.4-33.6wt.%
Desmodur 1806：MDI monomer, NCO content 33.4-33.6wt.%；
Black EPDM rubber grain：Particle diameter 1-3mm, Shanghai Zeng Ping limited rubbers company
ARCOL 1021：A kind of PPG, OH values are 56, purchased from Beyer Co., Ltd
ARCOL 1011：A kind of PPG, OH values are 112, purchased from Beyer Co., Ltd
TDI T 80, toluene di-isocyanate(TDI), purchased from Beyer Co., Ltd；
K19：A kind of catalyst, purchased from gas products company；
H-XP3 type conventional high-pressure flush coaters：Purchased from GRACO companies；
CP54 type conventional low voltage flush coaters：Purchased from UNIPRE companies.
Performed polymer synthesizes：According to the material rate of table 1, the Hes of polyethers ARCOL 1021 that dewater treatment is crossed
Polyethers ARCOL 1011 and corresponding proportion isocyanates raw material are put into reactor in proportion, 60
- 70 DEG C of stir abouts 2 hours, mixture NCO% was surveyed every 10 minutes, when NCO% numerical stabilities not
During change, it is stand-by that performed polymer is dropped into room temperature.
Table 1：Performed polymer synthesizing formula
| Component | Unit | Performed polymer A | Performed polymer B |
| TDI liquid bottoms | Parts by weight | 35 | 20 |
| TDI T 80 | Parts by weight | - | 8 |
| Desmodur 44MC | Parts by weight | - | 5.5 |
| Desmodur 1806 | Parts by weight | - | 16.5 |
| Polyethers ARCOL 1021 | Parts by weight | 53 | 40 |
| Polyethers ARCOL 1011 | Parts by weight | 12 | 10 |
| NCO% | Parts by weight | 9.8-10.6 | 14.8-15.5 |
Embodiment 1-2
Prepare mould first, then by material temperature be 25 DEG C polyurethane reaction system and rubber granule it is mixed
Compound is applied on mould.Used Isocyanate prepolymers body is performed polymer A；Rubber granule is black
EPDM rubber grain：Particle diameter 1-3mm.
By above-mentioned performed polymer A, with the polyurethane reaction system that makes to be mixed with rubber granule at mould (about 60 DEG C)
Interior reaction, polyurethane matrix material and the composite pad for the rubber granule being filled in polyurethane matrix material are formed,
Rubber granule polyurethane composite pad after curing molding is removed from the molds and obtains rubber granule of the present invention
The compound ballast pad of polyurethane.Test mechanical property is shown in Table 2.
Table 2：The formula and performance of the compound ballast pad of rubber granule polyurethane
Embodiment 3
Prepare mould first, then by material temperature be 25 DEG C polyurethane reaction system and rubber granule it is mixed
Compound is applied on mould.Used Isocyanate prepolymers body is performed polymer B；Rubber granule is black
EPDM rubber grain：Particle diameter 1-3mm.
The polyurethane reaction system for being mixed with rubber granule is reacted in mould, form polyurethane matrix material
With the composite pad of rubber granule being filled in polyurethane matrix material, by the poly- ammonia of rubber granule after curing molding
Ester composite pad, which is removed from the molds, obtains rubber granule polyurethane composite pad.Obtained rubber granule polyurethane
Composite pad performance is shown in Table 3.
Table 3：The formula and performance of the compound ballast pad of rubber granule polyurethane
The compound road of rubber granule polyurethane provided by the invention is can be seen that from embodiment 1-3 performance data
Quarrel pad meets the requirement of each testing standard, may be used as ballast pad.
Claims (10)
1. a kind of compound polyurethane material, comprising polyurethane matrix and elastic granule, the elastic granule bag
Overlay in the polyurethane matrix, the polyurethane matrix is prepared by polyurethane resin composition, described
Polyurethane resin composition includes：
A) isocyanate component, the isocyanate component includes a kind of Isocyanate prepolymers body, described
The NCO content of Isocyanate prepolymers body is 8-26wt.%, the gross weight based on the Isocyanate prepolymers body
Measure based on 100wt.%, and prepared by including following component：
A1) toluene di-isocyanate(TDI) residue, the toluene di-isocyanate(TDI) residue, which is selected from, passes through light
The distillation leftover of toluene di-isocyanate(TDI) prepared by gas method, wherein toluene di-isocyanate(TDI) are residual
It is 5-45wt.% to stay thing NCO content, based on the total of the toluene di-isocyanate(TDI) residue
Weight presses 100wt.%；
A2) one or more polyisocyanates；With
A3) the first polyalcohol, the degree of functionality of first polyalcohol is 2.0-3.0, hydroxyl value 18-200
mgKOH/g。
2. compound polyurethane material according to claim 1, the polyurethane resin composition is also wrapped
Include isocyanate-reactive component B), the isocyanate-reactive component includes
B1) the second polyalcohol, the hydroxyl value of second polyalcohol are 20-800mgKOH/g, degree of functionality
For 2-6；
B2) one or more chain extenders；With
B3) one or more foaming agents.
3. compound polyurethane material according to claim 1 or 2, the Isocyanate prepolymers body
NCO content is 8-16wt.%, and the gross weight based on the Isocyanate prepolymers body is based on 100wt.%.
4. compound polyurethane material according to claim 1, wherein the toluene di-isocyanate(TDI) is residual
Thing is stayed to be selected from the distillation leftover of the toluene di-isocyanate(TDI) prepared by gas phase phosgenation.
5. compound polyurethane material according to claim 1, wherein the toluene di-isocyanate(TDI) is residual
The content for staying thing is 15-40wt.%, and the gross weight based on the isocyanate component is based on 100wt.%.
6. compound polyurethane material according to claim 1, the particle diameter of the elastic granule is 1-10
mm。
7. compound polyurethane material according to claim 1, the elastic granule is by selected from following
It is prepared by one or more materials：Rubber and thermoplastic polyurethane.
8. compound polyurethane material according to claim 1, wherein the content of the elastic granule is
40-90wt.%, the gross weight based on the compound polyurethane material are counted for 100wt.%.
9. compound polyurethane material according to claim 1, the compound polyurethane material is selected from：
Low noise road surface, runway, ballast pad, curb stone.
10. according to the compound polyurethane material any one of claim 1-9, the polyurethane is answered
The thickness of condensation material is 8-40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610395105.0A CN107446112A (en) | 2016-05-30 | 2016-05-30 | Compound polyurethane material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610395105.0A CN107446112A (en) | 2016-05-30 | 2016-05-30 | Compound polyurethane material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107446112A true CN107446112A (en) | 2017-12-08 |
Family
ID=60485612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610395105.0A Withdrawn CN107446112A (en) | 2016-05-30 | 2016-05-30 | Compound polyurethane material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107446112A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114989599A (en) * | 2022-07-14 | 2022-09-02 | 江苏长诺运动场地新材料有限公司 | Cast-in-place hybrid polyurethane runway surface layer and preparation process thereof |
| US11618814B2 (en) | 2020-12-04 | 2023-04-04 | Covestro Llc | Elastomeric compositions containing a solid residue of isocyanate manufacturing |
-
2016
- 2016-05-30 CN CN201610395105.0A patent/CN107446112A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11618814B2 (en) | 2020-12-04 | 2023-04-04 | Covestro Llc | Elastomeric compositions containing a solid residue of isocyanate manufacturing |
| CN114989599A (en) * | 2022-07-14 | 2022-09-02 | 江苏长诺运动场地新材料有限公司 | Cast-in-place hybrid polyurethane runway surface layer and preparation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11053338B2 (en) | Composition | |
| CA2134808C (en) | A process for the cfc-free production of cellular polyurethane molded parts | |
| CN102191730B (en) | Polyurethane elastomer railway ballast pad and preparation method thereof | |
| RU2442800C2 (en) | Method for manufacturing and application of cast elastomers | |
| JPS6021975B2 (en) | Aromatic amine amide compounds and methods for producing them | |
| JP2004162010A (en) | Syntactic foam having improved water resistance, long pot life and short taking-out time of molded product | |
| US6294248B1 (en) | Soft molded composites and a process for their production | |
| AU766677B2 (en) | Process for preparing moulded polyurethane material | |
| CA2117739C (en) | Novel polyisocyanate based upon 4,4'- and 2,4'- diphenylmethane diisocyanates and use thereof in a rim process | |
| EP0692507A1 (en) | Flexible open-cell polyurethane foam | |
| KR101389785B1 (en) | Soft polyurethane foam and manufacturing method therefor | |
| CN107446112A (en) | Compound polyurethane material | |
| JP6069576B2 (en) | Process for producing spray polyurethane elastomer and elastomer produced by the process | |
| CA2223478A1 (en) | Toluene diisocyanate residue-based compositions and the use of such compositions as fillers for hydroxyl compounds | |
| JP7364469B2 (en) | Elastomeric composite polyurethane skin | |
| SK16532000A3 (en) | Filled polyol component viscosity reduction | |
| JP4263170B2 (en) | Method for producing molded polyurethane material | |
| JPS58479B2 (en) | Method for recycling waste materials such as thermosetting resins | |
| JPH0216330B2 (en) | ||
| JPS5876464A (en) | Pressurized one-package polyurethane coating and coating method using the same | |
| CA2490462A1 (en) | Process for the production of polyurethane integral skin foams | |
| CN109206581A (en) | Polyether polyurethane stoste and preparation method and application containing powdered biomass | |
| JP2956034B2 (en) | Flexible polyurethane elastic foam | |
| CN114316184B (en) | Water-swellable single-component prepolymer and preparation method and application thereof | |
| US20050101682A1 (en) | Process for preparing a moulded polyurethane material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171208 |