CN106519647A - Modified polyurethane expanded plastic and preparation method thereof - Google Patents
Modified polyurethane expanded plastic and preparation method thereof Download PDFInfo
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- CN106519647A CN106519647A CN201610968578.5A CN201610968578A CN106519647A CN 106519647 A CN106519647 A CN 106519647A CN 201610968578 A CN201610968578 A CN 201610968578A CN 106519647 A CN106519647 A CN 106519647A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/06—Polyurethanes from polyesters
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- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
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- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
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- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/246—Intercrosslinking of at least two polymers
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- 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
- C08J9/06—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 chemical blowing agent
- C08J9/10—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 chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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- C08G2101/00—Manufacture of cellular products
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- 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
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
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- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The invention belongs to the plastic field and discloses modified polyurethane expanded plastic and a preparation method thereof. The modified polyurethane expanded plastic is prepared from 120 to 150 parts by weight of isocyanate, 100 to 120 parts by weight of polyester polyol, 20 to 30 parts by weight of a glass fiber cloth, 0.6 to 1 part by weight of a silane coupling agent, 0.4 to 0.8 parts by weight of a titanate coupling agent, 0.6 to 1 part by weight of monoglyceride, 3 to 5 parts by weight of triethanolamine, 10 to 20 parts by weight of carbon nanotubes, 20 to 30 parts by weight of low-density polyethylene, 20 to 30 parts by weight of aramid pulp, 10 to 20 parts by weight of ceramic fibers, 1 to 2 parts by weight of azodicarbonamide, 0.3 to 0.5 parts by weight of a foam stabilizer, 1 to 2 parts by weight of sodium dodecyl sulfate and 0.6 to 1 part by weight of an antioxidant. The modified polyurethane expanded plastic has the advantages of uniform bubbles, light weight, good toughness, wear resistance, anisotropy and excellent thermal insulation performances.
Description
Technical field
The invention belongs to plastics arts, are related to a kind of modified polyurethane foamed plastic, the invention further relates to this is modified
The preparation method of polyurethane foam plastics.
Background technology
Polyurethane material is the current best insulation material of performance in the world, by isocyanates (monomer) and hydroxy compounds
It is polymerized.Due to the carbamate groups containing extremely strong property, insoluble in non-polar group, with good oil resistivity, toughness, resistance to
Mill property, resistance to ag(e)ing and cohesive.
Polyurethane foam plastics are a kind of preferable raw materials, are acted in foaming agent by polyether polyol and isocyanates
Lower obtained foamed product, with excellent heat-insulating property, mechanical property, electric property, acoustical behavior and chemical resistance
Deng being widely used in the fields such as refrigerator, refrigerator, building energy conservation, sofa, mattress, footwear material, top-grade furniture.But polyurethane foam
Plastics pliability is poor, does not reach requirement in special industry.How the polyurethane foam of a kind of good toughness, excellent in mechanical performance is prepared
Foam plastics are referred to as the current technical issues that need to address.
The content of the invention
The invention aims to solve deficiency of the prior art mentioned above, there is provided a kind of modified polyurethane is sent out
Bubble plastics and preparation method thereof, the modified polyurethane Bubbles of Foaming Plastics is uniform, light weight, good toughness, wear-resistant, respectively to different
Property, heat-proof quality are excellent.
It is that, up to above-mentioned purpose, the present invention is adopted the following technical scheme that：
A kind of modified polyurethane foamed plastic, the raw material for making the modified polyurethane foamed plastic include following parts by weight
Each composition：Isocyanates 120-150 parts, PEPA 100-120 parts, glass fabric 20-30 parts, silane coupler
It is 0.6-1 parts, titanate coupling agent 0.4-0.8 parts, monoglyceride 0.6-1 parts, triethanolamine 3-5 parts, CNT 10-20 parts, low
Density polyethylene 20-30 parts, Fanglun slurry cake 20-30 parts, ceramic fibre 10-20 parts, azodicarbonamide 1-2 parts, foam stabilization
Agent 0.3-0.5 parts, sodium lauryl sulphate 1-2 parts, antioxidant 0.6-1 parts.
Preferably, a kind of modified polyurethane foamed plastic, make the modified polyurethane foamed plastic raw material include it is following
Each composition of parts by weight：120 parts of isocyanates, 100 parts of PEPA, 20 parts of glass fabric, silane coupler 0.6
Part, 0.4 part of titanate coupling agent, 0.6 part of monoglyceride, 3 parts of triethanolamine, 10 parts of CNT, 20 parts of Low Density Polyethylene, virtue
It is 20 parts of synthetic fibre pulp, 10 parts of ceramic fibre, 1 part of azodicarbonamide, 0.3 part of foam stabiliser, 1 part of sodium lauryl sulphate, anti-
0.6 part of oxygen agent.
Preferably, a kind of modified polyurethane foamed plastic, make the modified polyurethane foamed plastic raw material include it is following
Each composition of parts by weight：150 parts of isocyanates, 120 parts of PEPA, 30 parts of glass fabric, 1 part of silane coupler,
0.8 part of titanate coupling agent, 1 part of monoglyceride, 5 parts of triethanolamine, 20 parts of CNT, 30 parts of Low Density Polyethylene, aramid fiber slurry
30 parts of the dregs of rice, 20 parts of ceramic fibre, 2 parts of azodicarbonamide, 0.5 part of foam stabiliser, 2 parts of sodium lauryl sulphate, antioxidant 1
Part.
Preferably, a kind of modified polyurethane foamed plastic, make the modified polyurethane foamed plastic raw material include it is following
Each composition of parts by weight：135 parts of isocyanates, 110 parts of PEPA, 25 parts of glass fabric, silane coupler 0.8
Part, 0.6 part of titanate coupling agent, 0.8 part of monoglyceride, 4 parts of triethanolamine, 15 parts of CNT, 25 parts of Low Density Polyethylene, virtue
25 parts of synthetic fibre pulp, 15 parts of ceramic fibre, 1.5 parts of azodicarbonamide, 0.4 part of foam stabiliser, sodium lauryl sulphate 1.5
Part, 0.8 part of antioxidant.
Preferably, a kind of modified polyurethane foamed plastic, PEPA are adipate ester, polycaprolactone, Merlon
In one or more.
Preferably, a kind of modified polyurethane foamed plastic, the antioxidant are antioxidant 1010, the mixing of irgasfos 168
Thing.
It is a further object of the present invention to provide a kind of preparation method of modified polyurethane foamed plastic, comprises the following steps：
(1) glass fabric ear material is weighed, is cleaned to without mud, dirt etc., is dried to no moisture, then will be dried
Glass fabric ear material is sent into segment cutter and carries out cutting, is cut into the segment material that length is 4-5cm；
(2) the glass fabric segment material as obtained by proportioning weighs step (1), feeding microwave dryer carry out microwave and do
Dry, microwave drying temperature is 150-200 DEG C, and the time is 1-3min；
(3) the glass fabric segment material after step (2) microwave drying is sent into into nano-level grinder, is ground, obtains mixed
Close powder；
(4), after by Fanglun slurry cake, CNT, ceramic fibre premix, the acetone of 5 times of its weight is added, after stirring 30min
Silane coupler, titanate coupling agent, monoglyceride are added, in 50-60 DEG C of water-bath after constant temperature stirring 12h, acetone is removed, must be located
Mixed material after reason；
(5) isocyanates, PEPA, triethanolamine, Low Density Polyethylene are put into into stirring mixing in blender equal
It is even, and 160-170 DEG C is warming up to into blender after whole material melts mix homogeneously, addition azodicarbonamide, foam are steady
Determine agent, sodium lauryl sulphate, antioxidant, step (4) process after the closed mix homogeneously of mixed material, obtain mixing materials；
(6) mixing materials obtained in step (5) are loaded into mould, being re-fed into vulcanizing press carries out crosslinked foaming, has foamed
Described modified polyurethane foamed plastic is obtained final product into after.
Compared with prior art, beneficial effects of the present invention are：
(1) the modified polyurethane foamed plastic of present invention production is with isocyanates and PEPA as major ingredient, and and glass
Glass fiber, CNT, Fanglun slurry cake mating reaction, the bubble for making obtained polyurethane foam plastics product is uniform, light weight,
Good toughness, wear-resistant, anisotropy, heat-proof quality are excellent.
(2), in the production process of modified polyurethane foamed plastic of the invention, discarded glass fabric leftover bits and pieces are chosen
For raw material, turn waste into wealth, both reduced cost of material, recycling economy further improves the thermostability of polyurethane, corrosion-resistant
Property, toughness, fatigue resistance and the low-temperature cracking-resistance of polyurethane are improve, the mechanical property of Merlon is substantially increased, is made
In Preparation Method, glass fibre segment material is now carried out after microwave drying treatment, then carry out it is nano-milled, after microwave drying treatment,
So that segment material becomes fragile, then when nano-milled, milling time will be reduced and reach required granularity, save the production time；
After all raw material blending, the compatibility is good, precipitation phenomenon will not occur, to affect the mechanical property of polyurethane plastics after extrusion.
(3) Fanglun slurry cake in inventive formulation, CNT, ceramic fibre are modified first, and CNT has
High-moduluss and high intensity, the trunk fiber surface of Fanglun slurry cake loosely adhere to a large amount of superfine fibres, ceramic fibre light weight, processability
Can it is good, then by they with silane coupler, titanate coupling agent, monoglyceride carry out pretreatment and it is coupling agent modified after, surface
Can significantly reduce, bridging property and good dispersion between unclassified stores, it is to avoid Fanglun slurry cake, CNT are existing in the reunion of storeroom
As, it is incorporating modified in isocyanates, PEPA and unclassified stores after Fanglun slurry cake, CNT, ceramic fibre, can
Significantly improve physical toughness, heat-resistant stability, mechanical property and the machinability of polyurethane foam plastics.
(4) in preparation method of the invention, azodicarbonamide, foam stabiliser, sodium lauryl sulphate mating reaction,
Foaming is stable, mixs homogeneously with major ingredient and mating reaction, makes the bubble of the present invention uniform, and outward appearance is without substantially reprinting books in a reduce format, and reduces
Heat conductivity, improves the heat-proof quality of product.
Specific embodiment
For the present invention is better described, technical scheme is readily appreciated, the present invention is entered below by embodiment
One step is described in detail.But following embodiments is only the simple example of the present invention, the right of the present invention is not represented or limits
Protection domain, protection scope of the present invention are defined by claims.
Embodiment 1
A kind of modified polyurethane foamed plastic, the raw material for making the modified polyurethane foamed plastic include following parts by weight
Each composition：120 parts of isocyanates, 100 parts of adipate ester, 20 parts of glass fabric, 0.6 part of silane coupler, titanate esters idol
Connection 0.4 part of agent, 0.6 part of monoglyceride, 3 parts of triethanolamine, 10 parts of CNT, 20 parts of Low Density Polyethylene, 20 parts of Fanglun slurry cake,
10 parts of ceramic fibre, 1 part of azodicarbonamide, 0.3 part of foam stabiliser, 1 part of sodium lauryl sulphate, 0.6 part of antioxidant.
The preparation method of the modified polyurethane foamed plastic is comprised the following steps：
(1) glass fabric ear material is weighed, is cleaned to without mud, dirt etc., is dried to no moisture, then will be dried
Glass fabric ear material is sent into segment cutter and carries out cutting, is cut into the segment material that length is 4-5cm；
(2) the glass fabric segment material as obtained by proportioning weighs step (1), feeding microwave dryer carry out microwave and do
Dry, microwave drying temperature is 150-200 DEG C, and the time is 1-3min；
(3) the glass fabric segment material after step (2) microwave drying is sent into into nano-level grinder, is ground, obtains mixed
Close powder；
(4), after by Fanglun slurry cake, CNT, ceramic fibre premix, the acetone of 5 times of its weight is added, after stirring 30min
Silane coupler, titanate coupling agent, monoglyceride are added, in 50-60 DEG C of water-bath after constant temperature stirring 12h, acetone is removed, must be located
Mixed material after reason；
(5) isocyanates, PEPA, triethanolamine, Low Density Polyethylene are put into into stirring mixing in blender equal
It is even, and 160-170 DEG C is warming up to into blender after whole material melts mix homogeneously, addition azodicarbonamide, foam are steady
Determine agent, sodium lauryl sulphate, antioxidant, step (4) process after the closed mix homogeneously of mixed material, obtain mixing materials；
(6) mixing materials obtained in step (5) are loaded into mould, being re-fed into vulcanizing press carries out crosslinked foaming, has foamed
Described modified polyurethane foamed plastic is obtained final product into after.
Embodiment 2
A kind of modified polyurethane foamed plastic, the raw material for making the modified polyurethane foamed plastic include following parts by weight
Each composition：150 parts of isocyanates, 60 parts of adipate ester, 60 parts of polycaprolactone, 30 parts of glass fabric, silane coupler 1
Part, 0.8 part of titanate coupling agent, 1 part of monoglyceride, 5 parts of triethanolamine, 20 parts of CNT, 30 parts of Low Density Polyethylene, aramid fiber
30 parts of pulp, 20 parts of ceramic fibre, 2 parts of azodicarbonamide, 0.5 part of foam stabiliser, 2 parts of sodium lauryl sulphate, antioxygen
1 part of agent.
The preparation method of the modified polyurethane foamed plastic is comprised the following steps：
(1) glass fabric ear material is weighed, is cleaned to without mud, dirt etc., is dried to no moisture, then will be dried
Glass fabric ear material is sent into segment cutter and carries out cutting, is cut into the segment material that length is 4-5cm；
(2) the glass fabric segment material as obtained by proportioning weighs step (1), feeding microwave dryer carry out microwave and do
Dry, microwave drying temperature is 150-200 DEG C, and the time is 1-3min；
(3) the glass fabric segment material after step (2) microwave drying is sent into into nano-level grinder, is ground, obtains mixed
Close powder；
(4), after by Fanglun slurry cake, CNT, ceramic fibre premix, the acetone of 5 times of its weight is added, after stirring 30min
Silane coupler, titanate coupling agent, monoglyceride are added, in 50-60 DEG C of water-bath after constant temperature stirring 12h, acetone is removed, must be located
Mixed material after reason；
(5) isocyanates, PEPA, triethanolamine, Low Density Polyethylene are put into into stirring mixing in blender equal
It is even, and 160-170 DEG C is warming up to into blender after whole material melts mix homogeneously, addition azodicarbonamide, foam are steady
Determine agent, sodium lauryl sulphate, antioxidant, step (4) process after the closed mix homogeneously of mixed material, obtain mixing materials；
(6) mixing materials obtained in step (5) are loaded into mould, being re-fed into vulcanizing press carries out crosslinked foaming, has foamed
Described modified polyurethane foamed plastic is obtained final product into after.
Embodiment 3
A kind of modified polyurethane foamed plastic, the raw material for making the modified polyurethane foamed plastic include following parts by weight
Each composition：135 parts of isocyanates, 110 parts of Merlon, 25 parts of glass fabric, 0.8 part of silane coupler, titanate esters idol
Connection 0.6 part of agent, 0.8 part of monoglyceride, 4 parts of triethanolamine, 15 parts of CNT, 25 parts of Low Density Polyethylene, 25 parts of Fanglun slurry cake,
15 parts of ceramic fibre, 1.5 parts of azodicarbonamide, 0.4 part of foam stabiliser, 1.5 parts of sodium lauryl sulphate, antioxidant 0.8
Part.
The preparation method of the modified polyurethane foamed plastic is comprised the following steps：
(1) glass fabric ear material is weighed, is cleaned to without mud, dirt etc., is dried to no moisture, then will be dried
Glass fabric ear material is sent into segment cutter and carries out cutting, is cut into the segment material that length is 4-5cm；
(2) the glass fabric segment material as obtained by proportioning weighs step (1), feeding microwave dryer carry out microwave and do
Dry, microwave drying temperature is 150-200 DEG C, and the time is 1-3min；
(3) the glass fabric segment material after step (2) microwave drying is sent into into nano-level grinder, is ground, obtains mixed
Close powder；
(4), after by Fanglun slurry cake, CNT, ceramic fibre premix, the acetone of 5 times of its weight is added, after stirring 30min
Silane coupler, titanate coupling agent, monoglyceride are added, in 50-60 DEG C of water-bath after constant temperature stirring 12h, acetone is removed, must be located
Mixed material after reason；
(5) isocyanates, PEPA, triethanolamine, Low Density Polyethylene are put into into stirring mixing in blender equal
It is even, and 160-170 DEG C is warming up to into blender after whole material melts mix homogeneously, addition azodicarbonamide, foam are steady
Determine agent, sodium lauryl sulphate, antioxidant, step (4) process after the closed mix homogeneously of mixed material, obtain mixing materials；
(6) mixing materials obtained in step (5) are loaded into mould, being re-fed into vulcanizing press carries out crosslinked foaming, has foamed
Described modified polyurethane foamed plastic is obtained final product into after.
Embodiment 4
A kind of modified polyurethane foamed plastic, the raw material for making the modified polyurethane foamed plastic include following parts by weight
Each composition：120 parts of isocyanates, 20 parts of adipate ester, 50 parts of polycaprolactone, 30 parts of Merlon, 20 parts of glass fabric,
0.8 part of silane coupler, 0.4 part of titanate coupling agent, 0.6 part of monoglyceride, 5 parts of triethanolamine, 20 parts of CNT, low-density
30 parts of polyethylene, 25 parts of Fanglun slurry cake, 15 parts of ceramic fibre, 1.5 parts of azodicarbonamide, 0.4 part of foam stabiliser, dodecane
2 parts of base sodium sulfate, 0.8 part of antioxidant.
The preparation method of the modified polyurethane foamed plastic is comprised the following steps：
(1) glass fabric ear material is weighed, is cleaned to without mud, dirt etc., is dried to no moisture, then will be dried
Glass fabric ear material is sent into segment cutter and carries out cutting, is cut into the segment material that length is 4-5cm；
(2) the glass fabric segment material as obtained by proportioning weighs step (1), feeding microwave dryer carry out microwave and do
Dry, microwave drying temperature is 150-200 DEG C, and the time is 1-3min；
(3) the glass fabric segment material after step (2) microwave drying is sent into into nano-level grinder, is ground, obtains mixed
Close powder；
(4), after by Fanglun slurry cake, CNT, ceramic fibre premix, the acetone of 5 times of its weight is added, after stirring 30min
Silane coupler, titanate coupling agent, monoglyceride are added, in 50-60 DEG C of water-bath after constant temperature stirring 12h, acetone is removed, must be located
Mixed material after reason；
(5) isocyanates, PEPA, triethanolamine, Low Density Polyethylene are put into into stirring mixing in blender equal
It is even, and 160-170 DEG C is warming up to into blender after whole material melts mix homogeneously, addition azodicarbonamide, foam are steady
Determine agent, sodium lauryl sulphate, antioxidant, step (4) process after the closed mix homogeneously of mixed material, obtain mixing materials；
(6) mixing materials obtained in step (5) are loaded into mould, being re-fed into vulcanizing press carries out crosslinked foaming, has foamed
Described modified polyurethane foamed plastic is obtained final product into after.
Performance test
The present invention is also tested to the performance of the modified polyurethane foamed plastic prepared by embodiment 1-4, test knot
Fruit is as shown in table 1.
The performance test results of 1 modified polyurethane foamed plastic of table
Above-mentioned test result shows that the modified rigid polyurethane foam foam structure prepared by the present invention is relatively regular, abscess
Densification, with relatively low heat conductivity, heat-proof quality, mechanical property are good.
The above is the preferred embodiment of the present invention, its object is to allow person skilled in the art to understand the present invention
Content is simultaneously carried out, it is noted that for those skilled in the art, without departing from the principle of the invention
Under the premise of, addition, the selection of concrete mode of equivalence replacement and auxiliary element to raw material selected by the present invention can also be made,
Or to each particular technique feature described in above-mentioned specific embodiment, in the case of reconcilable, by any conjunction
Suitable mode is combined, and the addition of these equivalence replacements and auxiliary element, combination of particular technique feature etc. are also considered as this
The protection domain of invention.
Claims (6)
1. a kind of modified polyurethane foamed plastic, it is characterised in that make the modified polyurethane foamed plastic raw material include with
Each composition of lower parts by weight：Isocyanates 120-150 parts, PEPA 100-120 parts, glass fabric 20-30 parts, silicon
Alkane coupling agent 0.6-1 parts, titanate coupling agent 0.4-0.8 parts, monoglyceride 0.6-1 parts, triethanolamine 3-5 parts, CNT 10-
20 parts, Low Density Polyethylene 20-30 parts, Fanglun slurry cake 20-30 parts, ceramic fibre 10-20 parts, azodicarbonamide 1-2 parts, bubble
Foam stabilizers 0.3-0.5 parts, sodium lauryl sulphate 1-2 parts, antioxidant 0.6-1 parts.
2. a kind of modified polyurethane foamed plastic as claimed in claim 1, it is characterised in that make the modified polyurethane and foam
The raw material of plastics includes each composition of following parts by weight：120 parts of isocyanates, 100 parts of PEPA, glass fabric 20
It is part, 0.6 part of silane coupler, 0.4 part of titanate coupling agent, 0.6 part of monoglyceride, 3 parts of triethanolamine, 10 parts of CNT, low
20 parts of density polyethylene, 20 parts of Fanglun slurry cake, 10 parts of ceramic fibre, 1 part of azodicarbonamide, 0.3 part of foam stabiliser, 12
1 part of alkyl sodium sulfate, 0.6 part of antioxidant.
3. a kind of modified polyurethane foamed plastic as claimed in claim 1, it is characterised in that make the modified polyurethane and foam
The raw material of plastics includes each composition of following parts by weight：150 parts of isocyanates, 120 parts of PEPA, glass fabric 30
Part, 1 part of silane coupler, 0.8 part of titanate coupling agent, 1 part of monoglyceride, 5 parts of triethanolamine, 20 parts of CNT, low-density
30 parts of polyethylene, 30 parts of Fanglun slurry cake, 20 parts of ceramic fibre, 2 parts of azodicarbonamide, 0.5 part of foam stabiliser, dodecyl
2 parts of sodium sulfate, 1 part of antioxidant.
4. a kind of modified polyurethane foamed plastic as claimed in claim 1, it is characterised in that make the modified polyurethane and foam
The raw material of plastics includes each composition of following parts by weight：135 parts of isocyanates, 110 parts of PEPA, glass fabric 25
It is part, 0.8 part of silane coupler, 0.6 part of titanate coupling agent, 0.8 part of monoglyceride, 4 parts of triethanolamine, 15 parts of CNT, low
25 parts of density polyethylene, 25 parts of Fanglun slurry cake, 15 parts of ceramic fibre, 1.5 parts of azodicarbonamide, 0.4 part of foam stabiliser, ten
1.5 parts of sodium dialkyl sulfate, 0.8 part of antioxidant.
5. a kind of modified polyurethane foamed plastic as described in any one of claim 1-4, it is characterised in that PEPA is
One or more in adipate ester, polycaprolactone, Merlon.
6. the preparation method of a kind of modified polyurethane foamed plastic described in any one of claim 1-4, it is characterised in that include
Following steps：
(1) glass fabric ear material is weighed, is cleaned to without mud, dirt etc., is dried to no moisture, then by dried glass
Fiber cloth ear material is sent into segment cutter and carries out cutting, is cut into the segment material that length is 4-5cm；
(2) the glass fabric segment material as obtained by proportioning weighs step (1), sending into microwave dryer carries out microwave drying, micro-
Ripple baking temperature is 150-200 DEG C, and the time is 1-3min；
(3) the glass fabric segment material after step (2) microwave drying is sent into into nano-level grinder, is ground, obtains mixed powder
End；
(4), after by Fanglun slurry cake, CNT, ceramic fibre premix, the acetone of 5 times of its weight is added, is added after stirring 30min
Silane coupler, titanate coupling agent, monoglyceride, in 50-60 DEG C of water-bath after constant temperature stirring 12h, remove acetone, after must processing
Mixed material；
(5) isocyanates, PEPA, triethanolamine, Low Density Polyethylene are put in blender and are uniformly mixed, and
160-170 DEG C is warming up to into blender after whole material melts mix homogeneously, add azodicarbonamide, foam stabiliser,
Sodium lauryl sulphate, antioxidant, step (4) process after the closed mix homogeneously of mixed material, obtain mixing materials；
(6) mixing materials obtained in step (5) are loaded into mould, being re-fed into vulcanizing press carries out crosslinked foaming, after the completion of foaming
Obtain final product described modified polyurethane foamed plastic.
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