CN104558745A - Thermal insulation raw material, thermal insulation material and multilayered composite material - Google Patents
Thermal insulation raw material, thermal insulation material and multilayered composite material Download PDFInfo
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- CN104558745A CN104558745A CN201310499482.5A CN201310499482A CN104558745A CN 104558745 A CN104558745 A CN 104558745A CN 201310499482 A CN201310499482 A CN 201310499482A CN 104558745 A CN104558745 A CN 104558745A
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- 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
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/242—All polymers belonging to those covered by group B32B27/32
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
Abstract
The invention provides a thermal insulation raw material, a thermal insulation material and a multilayered composite material. The thermal insulation raw material comprises aerogel and thermoplastic polymer, by taking the total weight of the thermal raw insulation material as a reference, the content of the aerogel is not smaller than 10 percent, and the content of the thermoplastic polymer is not greater than 90 percent. The thermal insulation material provided by the invention has an excellent thermal insulation property, and the multilayered composite material comprising a thermal insulation formed by the thermal insulation material further has good mechanical property.
Description
Technical field
The present invention relates to a kind of insulation raw material, a kind of lagging material and a kind of multilayer materials.
Background technology
The thermal conductivity of plastics is usually between 0.600W/mK and 0.15W/mK, and different types of polymkeric substance thermal conductivity is also not quite similar.The thermal conductivity of metal is then between 200W/mK and 15W/mK, and pottery, glass heat conductivity are about 1W/mK, and therefore, for metal, pottery and glass, plastics are a kind of good heat insulators.
Traditional thermoplasticity lagging material makes heat-insulating heat-preserving material by the lagging material such as filled glass fiber, asbestos or employing foaming technique usually.Although have certain heat-proof quality with the thermoplasticity lagging material that glass fibre or asbestos are weighting material, thermal conductivity is still higher, and heat insulation effect is limited, and asbestos etc. can to environment in the course of processing.Plastic foam lagging material conventional is at present the foam materialss such as urethane, polystyrene, polyethylene, and their thermal conductivity can reach 0.025W/mK.CN103122089A discloses a kind of polyethylene foam calcium-plastic composite material, and this matrix material is made up of following component: ldpe resin (100 weight part), linear low density polyethylene resin (10-30 weight part), calcium mould filler (80-130 weight part), whipping agent (5-20 weight part), linking agent (0.8-1.1 weight part), promotor (2-4.5 weight part), elasticity toughening material (40-60 weight part) and composite fire retardant (9-15 weight part).Described polyethylene foam calcium-plastic composite material light weight, heat insulation, have certain intensity and bounce impact elasticity, but also make the mechanical property degradation of material while the vesicular structure of this polyethylene foam calcium-plastic composite material brings low thermal conductivity, in use material is easily by outside destroy, the work-ing life of lagging material is short, also may can bring the counter productive that thermal insulation layer corrosion etc. is extra simultaneously.Therefore, how obtaining having the thermoplasticity lagging material that low thermal conductivity, simultaneously physical strength can meet again application demand is urgent problem.
In recent years, the thermal insulation adopting the extremely low porous aerogel particle (thermal conductivity can be low to moderate 0.015W/mK) of thermal conductivity to improve thermoplastics has become a kind of effective ways.US2003/0003284 discloses a kind of multilayer materials and preparation method thereof, and this matrix material contains aerogel layer and one deck PET layer of at least one deck, has lower thermal conductivity.But, this multilayer materials require matrix must be fiber shape to ensure that aerogel has certain spatial distribution and intensity, condition is comparatively harsh.In addition, as a rule, the high processability that can affect thermal insulation coatings of the content of aerogel in thermal insulation coatings, be unfavorable for being applied in material surface, therefore, when aerogel is used for thermal insulation coatings, performance is applied in order to what ensure coating, usually need the content of the aerogel in thermal insulation coatings to control lower than 10 % by weight, but, be limited to the improvement of heat-insulating property like this.
Summary of the invention
The object of the invention is to overcome the lower defect of existing lagging material heat-insulating property, and provide a kind of there is the insulation raw material of excellent heat-insulating property, a kind of lagging material and a kind of multilayer materials.
The invention provides a kind of insulation raw material, wherein, described insulation raw material contains aerogel and thermoplastic polymer, with the gross weight of described insulation raw material for benchmark, the content of described aerogel is not less than 10 % by weight, and the content of described thermoplastic polymer is not higher than 90 % by weight.
Present invention also offers a kind of lagging material, wherein, described lagging material by above-mentioned insulation raw materials melt mixing and cooling and obtain.
In addition, present invention also offers a kind of multilayer materials, wherein, described multilayer materials comprises thermal insulation layer and is arranged on the first thermoplastic polymer layer on the upper surface of described thermal insulation layer and is arranged on the second thermoplastic polymer layer on the lower surface of described thermal insulation layer, and described thermal insulation layer is formed by above-mentioned insulation raw material or lagging material.
The present inventor finds through research, as a rule, although add the heat-insulating property that aerogel can improve described insulation raw material to a certain extent in insulation raw material, but the content of aerogel is higher, the processability of insulation raw material can be affected, be unfavorable for the surface being applied in other materials, therefore, when aerogel being used as wherein a kind of component of insulation raw material, the content of aerogel in insulation raw material controls lower than 10 % by weight by usual needs, but, be not clearly to the improvement of heat-insulating property like this.And the present invention by by aerogel and thermoplastic polymer with specific ratio with the use of, very excellent heat-insulating property can be obtained.In addition, the multilayer materials comprising the thermal insulation layer formed by described insulation raw material make use of the first thermoplastic polymer layer dexterously, thermal insulation layer and this sandwich structure of the second thermoplastic polymer layer, this special structure reduces the formation insulation raw material of described thermal insulation layer and the requirement of lagging material formability, solve the problem of prior art coating difficult forming when aerogel content height, the insulation raw material making aerogel content higher and lagging material also can be fixed on well between the first thermoplastic polymer layer and the second thermoplastic polymer layer and form thermal insulation layer, thus improve the heat-insulating property of described multilayer materials more significantly.In addition, the existence of described first thermoplastic polymer layer and the second thermoplastic polymer layer will make described multilayer materials on the basis with excellent heat-insulating property, also have good mechanical property, its mechanical property is more or less the same with the mechanical property of the material only adopting thermoplastic polymer to be formed.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
Insulation raw material provided by the invention contains aerogel and thermoplastic polymer, and with the gross weight of described insulation raw material for benchmark, the content of described aerogel is not less than 10 % by weight, and the content of described thermoplastic polymer is not higher than 90 % by weight.
According to the present invention, better insulation effect is played, preferably, with the gross weight of described insulation raw material for benchmark in order to make described aerogel and thermoplastic elastomer to work in coordination with, the content of described aerogel is 20-40 % by weight, and the content of described thermoplastic polymer is 60-80 % by weight.
According to the present invention, the kind of described aerogel is known to the skilled person, and such as, can be silicon system, carbon system, sulphur system and burning system aerogel.Particularly, the example of described aerogel includes but not limited to: one or more in aerosil, aluminium sesquioxide aerogel, ZrO_2 aerogel, titania aerogel etc., is particularly preferably aerosil.In addition, described aerogel can be commercially available, also can according to well known to a person skilled in the art that known method prepares, and all can know these those skilled in the art, therefore not to repeat here.
According to the present invention, in order to be more conducive to the further raising of the lagging material heat-insulating property formed by described insulation raw material, preferably, the average pore diameter of described aerogel is 1-100nm, and porosity is more than 85%; More preferably, the average pore diameter of described aerogel is 10-40nm, and porosity is 90-99%.In the present invention, described average pore diameter can be recorded by scanning electronic microscope, and porosity can be recorded by BET method.
According to the present invention, the kind of described thermoplastic polymer can be the routine selection of this area, such as, polyolefine can be selected from (as polyethylene, polypropylene, polystyrene etc.), polymeric amide is (as nylon 6, nylon66 fiber etc.), polyester is (as polyethylene terephthalate, polybutylene terephthalate, Poly(Trimethylene Terephthalate) etc.), acrylic polymers is (as polyacrylic acid, polymethyl acrylate, polyethyl acrylate, polyacrylic acid propyl ester, butyl polyacrylate, polymethyl acrylic acid, polymethylmethacrylate, polyethyl methacrylate, polypropylmethacryla,es, poly-n-butyl methacrylate etc.), polyimide, polypyrrole, Polythiophene, polyaniline, one or more in polyureas and polysiloxane.
Lagging material provided by the invention by above-mentioned insulation raw materials melt mixing and cooling and obtain.
According to the present invention, described melting mixing can carry out in the existing various mixing facilities that can heat, and such as, can carry out melting mixing in mill, Banbury mixer, rheometer etc.When carrying out melting mixing in described rheometer, the condition of described melting mixing generally includes: melting mixing temperature can be 150-300 DEG C, is preferably 180-280 DEG C; Rotor speed can be 10-500rpm, is preferably 20-80rpm; The melting mixing time can be 2-15min, is preferably 5-10min.
In addition, multilayer materials provided by the invention comprises thermal insulation layer and is arranged on the first thermoplastic polymer layer on the upper surface of described thermal insulation layer and is arranged on the second thermoplastic polymer layer on the lower surface of described thermal insulation layer, and described thermal insulation layer is formed by above-mentioned insulation raw material or lagging material.
According to the present invention, thermoplastic polymer in described first thermoplastic polymer layer can be identical with the thermoplastic polymer in the second thermoplastic polymer layer, also can be different, and reasonably can select according to the kind of the thermoplastic polymer contained in insulation raw material mentioned above.Namely, thermoplastic polymer in described first thermoplastic polymer layer and the thermoplastic polymer in the second thermoplastic polymer layer can be selected from polyolefine independently of one another (as polyethylene, polypropylene, polystyrene etc.), polymeric amide is (as nylon 6, nylon66 fiber etc.), polyester is (as polyethylene terephthalate, polybutylene terephthalate, Poly(Trimethylene Terephthalate) etc.), acrylic polymers is (as polyacrylic acid, polymethyl acrylate, polyethyl acrylate, polyacrylic acid propyl ester, butyl polyacrylate, polymethyl acrylic acid, polymethylmethacrylate, polyethyl methacrylate, polypropylmethacryla,es, poly-n-butyl methacrylate etc.), polyimide, polypyrrole, Polythiophene, polyaniline, one or more in polyureas and polysiloxane.
The thickness of the present invention to described thermal insulation layer, the first thermoplastic polymer layer and the second polymer layer is not particularly limited, such as, the ratio of the thickness of described first thermoplastic polymer layer, the thickness of the second thermoplastic polymer layer and the thickness of thermal insulation layer can be 0.2-5:0.2-5:1, is preferably 0.5-2:0.5-2:1.
According to a kind of embodiment of the present invention, described multilayer materials prepares in such a way: respectively lagging material, the first thermoplastic polymer and the second thermoplastic polymer are placed in mould hot-forming, obtain lagging material batten, the first thermoplastic polymer batten and the second thermoplastic polymer batten, and then the first thermoplastic polymer batten, lagging material batten and the second thermoplastic polymer batten to be laid successively in mould and hot-press solidifying, form multilayer materials.
The condition of the present invention to described hot-press solidifying is not particularly limited, and such as, can comprise solidification value can be 150-230 DEG C, and solidifying pressure can be 2-4MPa, and set time can be 2-5min.
Below will be described the present invention by embodiment.
Following preparation example is with in contrast preparation example:
The average pore diameter of aerogel is measured by the scanning electronic microscope that the model of Hitachi company is S-4800, and porosity is measured by BET method.The microtexture of lagging material is observed by the scanning electronic microscope that the model of Hitachi company is S-4800.
Preparation example 1
This preparation example is for illustration of insulation raw material provided by the invention and lagging material and preparation method thereof.
By 6g aerosil, (average pore diameter is 25nm, porosity is 98%, purchased from Cabot company) with 24g polyethylene (purchased from Yanshan Petrochemical, the trade mark is LD100ac, lower same) add in rheometer cavity, melting temperature be 180 DEG C, rotor speed be the condition of 30rmp under mixing 8min, obtain lagging material T1 after cooling.By the microtexture of lagging material T1 described in sem observation, result shows, aerosil is dispersed in polyethylene.
Preparation example 2
This preparation example is for illustration of insulation raw material provided by the invention and lagging material and preparation method thereof.
By 7.5g aerosil, (average pore diameter is 15nm, porosity is 92%, purchased from Cabot company) with 22.5g polyethylene add in rheometer cavity, melting temperature be 180 DEG C, rotor speed be the condition of 30rmp under mixing 8min, obtain lagging material T2 after cooling.By the microtexture of lagging material T2 described in sem observation, result shows, aerosil is dispersed in polyethylene.
Preparation example 3
This preparation example is for illustration of insulation raw material provided by the invention and lagging material and preparation method thereof.
By 12g aerosil, (average pore diameter is 40nm, porosity is 93%, purchased from Cabot company) with 18g polyethylene add in rheometer cavity, melting temperature be 180 DEG C, rotor speed be the condition of 30rmp under mixing 8min, obtain lagging material T3 after cooling.By the microtexture of lagging material T3 described in sem observation, result shows, aerosil is dispersed in polyethylene.
Preparation example 4
This preparation example is for illustration of insulation raw material provided by the invention and lagging material and preparation method thereof.
By 7.5g aerosil, (average pore diameter is 25nm, porosity is 98%, purchased from Cabot company) with 22.5g polypropylene (purchased from Yanshan Petrochemical company, the trade mark is PPB8101, lower same) add in rheometer cavity, melting temperature be 210 DEG C, rotor speed be the condition of 30rmp under mixing 8min, obtain lagging material T4 after cooling.By the microtexture of lagging material T4 described in sem observation, result shows, aerosil is dispersed in polypropylene.
Preparation example 5
This preparation example is for illustration of insulation raw material provided by the invention and lagging material and preparation method thereof.
By 9g aerosil, (average pore diameter is 25nm, porosity is 98%, purchased from Cabot company) with 21g polypropylene add in rheometer cavity, melting temperature be 210 DEG C, rotor speed be the condition of 30rmp under mixing 8min, obtain lagging material T5 after cooling.By the microtexture of lagging material T5 described in sem observation, result shows, aerosil is dispersed in polypropylene.
Preparation example 6
This preparation example is for illustration of insulation raw material provided by the invention and lagging material and preparation method thereof.
By 6g aerosil, (average pore diameter is 25nm, porosity is 98%, purchased from Cabot company) and 24g polymeric amide (nylon 9, purchase Du Pont, the trade mark is Zytel nylon, lower with) add in rheometer cavity, melting temperature be 250 DEG C, rotor speed be the condition of 30rmp under mixing 8min, obtain lagging material T6 after cooling.By the microtexture of lagging material T6 described in sem observation, result shows, aerosil is dispersed in polymeric amide.
Preparation example 7
This preparation example is for illustration of insulation raw material provided by the invention and lagging material and preparation method thereof.
Lagging material is prepared according to the method for preparation example 1, unlike, the consumption of described aerosil is 4.5g, and poly consumption is 25.5g, obtains lagging material T7.
Contrast preparation example 1
This contrast preparation example is for illustration of the insulation raw material and lagging material and preparation method thereof of reference.
Lagging material is prepared according to the method for preparation example 1, unlike, the consumption of described aerosil is 2g, and poly consumption is 28g, obtains reference lagging material DT1.
Test case 1-4
Test case 1-4 is for illustration of the test of lagging material heat-insulating property provided by the invention.
The print Y1-Y4 of lagging material T1, T2, T3 and T7 hot pressing growth 60mm × wide 60mm × thick 2mm will prepared by preparation example 1-3 and preparation example 7 respectively, the beaker filling identical amount alcohol solvent is positioned in thermal station, print Y1-Y4 is placed between beaker and thermal station, controlling room temperature constant is 25 DEG C, thermal station homo(io)thermism is 100 DEG C, that observes alcohol solvent rises to 30 DEG C of times used from room temperature, and calculates temperature rise rate.
Polyethylene is added in rheometer cavity, melting temperature be 180 DEG C, rotor speed be the condition of 30rmp under mixing 8min, obtain PE former state.Described PE former state is carried out as stated above the mensuration of sample preparation and temperature rise rate, and calculate the rate of descent of above-mentioned lagging material relative LDPE former state thermal conductivity further.Acquired results is as shown in table 1.
Contrast test example 1
Contrast test example 1 is for illustration of the test of the insulation raw material heat-insulating property of reference.
Test according to the heat-insulating property of method to the reference lagging material DT1 obtained by contrast preparation example 1 of test case 1-4, acquired results is as shown in table 1.
Table 1
Test case 5-6
Test case 5-6 is for illustration of the test of lagging material heat-insulating property provided by the invention.
Respectively by the print Y5-Y6 of the lagging material T4 that prepared by preparation example 4-5 and T5 hot pressing growth 60mm × wide 60mm × thick 2mm, the beaker filling identical amount alcohol solvent is positioned in thermal station,
Be placed between beaker and thermal station by print Y5-Y6, controlling room temperature constant is 25 DEG C, and thermal station homo(io)thermism is 100 DEG C, and that observes alcohol solvent rises to 30 DEG C of times used from room temperature, and calculates temperature rise rate.
Polypropylene is added in rheometer cavity, melting temperature be 210 DEG C, rotor speed be the condition of 30rmp under mixing 8min, obtain PP former state.Described PP former state is carried out as stated above the mensuration of sample preparation and temperature rise rate, and calculate the rate of descent of above-mentioned lagging material relative PP former state thermal conductivity further.Acquired results is as shown in table 2.
Table 2
Test case 7
Test case 7 is for illustration of the test of lagging material heat-insulating property provided by the invention.
By the print Y7 of lagging material T6 hot pressing growth 60mm × wide 60mm × thick 2mm prepared by preparation example 6, the beaker filling a certain amount of alcohol solvent is positioned in thermal station, print Y7 is placed between beaker and thermal station, controlling room temperature constant is 25 DEG C, thermal station homo(io)thermism is 100 DEG C, that observes alcohol solvent rises to 30 DEG C of times used from room temperature, and calculates temperature rise rate.
Polymeric amide is added in rheometer cavity, melting temperature be 250 DEG C, rotor speed be the condition of 30rmp under mixing 8min, obtain polymeric amide former state.Described polymeric amide former state is carried out as stated above the mensuration of sample preparation and temperature rise rate, and calculate the rate of descent of above-mentioned lagging material relative polymeric amide former state thermal conductivity further.Acquired results is as shown in table 3.
Table 3
As can be seen from the result of table 1-3, lagging material provided by the invention has very excellent heat-insulating property.In addition, when the content of described aerogel and thermoplastic polymer is in preferable range of the present invention, the further raising of described lagging material heat-insulating property is more conducive to.
Embodiment 1-4
Embodiment 1-4 is for illustration of multilayer materials provided by the invention and preparation method thereof.
Take the polyethylene of certainweight respectively, temperature be 170 DEG C, pressure be the condition of 4MPa under hot-press solidifying 3min, the polyethylene specimen of preparation growth 100mm × wide 10mm × thick 1mm is for subsequent use.Take lagging material T1, T2, T3 and T7 of certainweight more respectively, temperature be 170 DEG C, pressure solidifies 3min under being the condition of 4MPa, the lagging material batten of preparation growth 100mm × wide 10mm × thick 2mm.
The polyethylene specimen prepared above-mentioned successively, lagging material batten and the stacked laying of polyethylene specimen are in a mold, temperature be 170 DEG C, pressure be the condition of 4MPa under hot-press solidifying 3min, the multilayer materials C1-C4 of preparation growth 100mm × wide 10mm × thick 4mm.Wherein, the thickness of the first thermoplastic polymer layer (polyethylene layer) is 1mm, and the thickness of thermal insulation layer is 2mm, and the thickness of the second thermoplastic polymer layer (polyethylene layer) is 1mm.The mechanical property of described multilayer materials C1-C4 is as shown in table 4.
By polyethylene temperature be 170 DEG C, pressure be the condition of 4MPa under hot-press solidifying 3min, the PE material of preparation growth 100mm × wide 10mm × thick 4mm, for contrasting with the mechanical property of multilayer materials C1-C4, the mechanical property of PE material is as shown in table 4.
Table 4
| Numbering | Yield strength (MPa) | Breaking tenacity (MPa) |
| Embodiment 1 | 18.1 | 18.6 |
| Embodiment 2 | 18.0 | 18.5 |
| Embodiment 3 | 17.6 | 18.1 |
| Embodiment 4 | 18.3 | 18.9 |
| PE material | 18.8 | 19.3 |
Embodiment 5-6
Embodiment 5-6 is for illustration of multilayer materials provided by the invention and preparation method thereof.
Take the polypropylene of certainweight, temperature be 170 DEG C, pressure be the condition of 4MPa under hot-press solidifying 3min, the polypropylene batten of preparation growth 100mm × wide 10mm × thick 1mm is for subsequent use.Take lagging material T4 and T5 of certainweight more respectively, temperature be 170 DEG C, pressure be the condition of 4MPa under hot-press solidifying 3min, the lagging material batten of preparation growth 100mm × wide 10mm × thick 2mm is for subsequent use.
Successively above-mentioned polypropylene batten, lagging material batten and the polypropylene batten prepared is laid in a mold, temperature be 170 DEG C, pressure be the condition of 4MPa under hot-press solidifying 3min, multilayer materials C5 and C6 of preparation growth 100mm × wide 10mm × thick 4mm.Wherein, the thickness of the first thermoplastic polymer layer (polypropylene layer) is 1mm, and the thickness of thermal insulation layer is 2mm, and the thickness of the second thermoplastic polymer layer (polypropylene layer) is 1mm.The mechanical property of described multilayer materials C5 and C6 is as shown in table 5.
By polypropylene temperature be 170 DEG C, pressure be the condition of 4MPa under hot-press solidifying 3min, the PP material of preparation growth 100mm × wide 10mm × thick 4mm, for contrasting with the mechanical property of multilayer materials C5 and C6, the mechanical property of PP material is as shown in table 5.
Table 5
| Numbering | Yield strength (MPa) | Breaking tenacity (MPa) |
| Embodiment 5 | 20.7 | 22.8 |
| Embodiment 6 | 20.5 | 22.4 |
| PP material | 24.9 | 26.5 |
Embodiment 7
This embodiment is for illustration of multilayer materials provided by the invention and preparation method thereof.
Take the polymeric amide of certainweight, hot-press solidifying 3min under temperature 250 DEG C, pressure are the condition of 4MPa, the polymeric amide batten of preparation growth 100mm × wide 10mm × thick 1mm is for subsequent use.Take the lagging material T6 of certainweight more respectively, temperature be 170 DEG C, pressure be the condition of 4MPa under hot-press solidifying 3min, the lagging material batten of preparation growth 100mm × wide 10mm × thick 2mm is for subsequent use.
Successively above-mentioned polymeric amide batten, lagging material batten and the polymeric amide batten prepared is laid in the mould of specific thicknesses, temperature be 250 DEG C, pressure be the condition of 4MPa under hot-press solidifying 3min, the multilayer materials C7 of preparation growth 100mm × wide 10mm × thick 4mm.Wherein, the thickness of the first thermoplastic polymer layer (aramid layer) is 1mm, and the thickness of thermal insulation layer is 2mm, and the thickness of the second thermoplastic polymer layer (aramid layer) is 1mm.The mechanical property of described multilayer materials C7 is as shown in table 5.
By polymeric amide temperature be 250 DEG C, pressure be the condition of 4MPa under hot-press solidifying 3min, the polyamide material of preparation growth 100mm × wide 10mm × thick 4mm, for contrasting with the mechanical property of multilayer materials C7, the mechanical property of polyamide material is as shown in table 6.
Table 6
| Numbering | Yield strength (MPa) | Breaking tenacity (MPa) |
| Embodiment 7 | 56 | 65 |
| Polymeric amide former state | 59 | 68 |
As can be seen from the above results, multiple layer of polymeric material provided by the invention also has good mechanical property, and its mechanical property is more or less the same with the mechanical property of the material only adopting thermoplastic polymer to be formed.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. be incubated a raw material, it is characterized in that, described insulation raw material contains aerogel and thermoplastic polymer, and with the gross weight of described insulation raw material for benchmark, the content of described aerogel is not less than 10 % by weight, and the content of described thermoplastic polymer is not higher than 90 % by weight.
2. insulation raw material according to claim 1, wherein, with the gross weight of described insulation raw material for benchmark, the content of described aerogel is 20-40 % by weight, and the content of described thermoplastic polymer is 60-80 % by weight.
3. insulation raw material according to claim 1 and 2, wherein, described aerogel is aerosil.
4. insulation raw material according to claim 3, wherein, the average pore diameter of described aerogel is 1-100nm, and porosity is more than 85%.
5. insulation raw material according to claim 4, wherein, the average pore diameter of described aerogel is 10-40nm, and porosity is 90-99%.
6. insulation raw material according to claim 1 and 2, wherein, described thermoplastic polymer is selected from one or more in polyethylene, polypropylene, polystyrene, polymeric amide, polyester, acrylic polymers, polyimide, polypyrrole, Polythiophene, polyaniline, polyureas and polysiloxane.
7. a lagging material, is characterized in that, described lagging material by the insulation raw materials melt in claim 1-6 described in any one mixing and cooling and obtain.
8. a multilayer materials, it is characterized in that, described multilayer materials comprises thermal insulation layer and is arranged on the first thermoplastic polymer layer on the upper surface of described thermal insulation layer and is arranged on the second thermoplastic polymer layer on the lower surface of described thermal insulation layer, and described thermal insulation layer is formed by the insulation raw material in 1-6 described in any one or formed by lagging material according to claim 7.
9. multilayer materials according to claim 8, wherein, thermoplastic polymer in described first thermoplastic polymer layer and the thermoplastic polymer in the second thermoplastic polymer layer identical or different, and one or more being selected from polyethylene, polypropylene, polystyrene, polymeric amide, polyester, acrylic polymers, polyimide, polypyrrole, Polythiophene, polyaniline, polyureas and polysiloxane independently of one another.
10. multilayer materials according to claim 8 or claim 9, wherein, the ratio of the thickness of described first thermoplastic polymer layer, the thickness of the second thermoplastic polymer layer and the thickness of thermal insulation layer is 0.2-5:0.2-5:1.
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| CN201310499482.5A CN104558745A (en) | 2013-10-22 | 2013-10-22 | Thermal insulation raw material, thermal insulation material and multilayered composite material |
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| CN201310499482.5A CN104558745A (en) | 2013-10-22 | 2013-10-22 | Thermal insulation raw material, thermal insulation material and multilayered composite material |
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| CN105329555A (en) * | 2015-11-24 | 2016-02-17 | 安徽美翔塑业有限公司 | Thermal-insulating packaging bag |
| CN105565843A (en) * | 2015-06-09 | 2016-05-11 | 天津城建大学 | Highly-light-transmitting highly-heat-insulating composite material and preparation method thereof |
| CN106084525A (en) * | 2016-06-27 | 2016-11-09 | 林春梅 | A kind of novel light adiabator and preparation method thereof |
| CN106183152A (en) * | 2016-08-31 | 2016-12-07 | 上海婵婵户外用品有限公司 | A kind of insulation material and preparation method thereof |
| CN106336592A (en) * | 2016-08-29 | 2017-01-18 | 芜湖市天雄新材料科技有限公司 | Heat preservation plastic board and preparing method thereof |
| CN106757513A (en) * | 2016-12-01 | 2017-05-31 | 深圳中凝科技有限公司 | Aeroge composite fibre and its manufacture craft |
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| CN109096751A (en) * | 2018-07-18 | 2018-12-28 | 桐城市明丽碳化硼制品有限公司 | A kind of rare earth Signa Gel and preparation method thereof |
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| US10259924B2 (en) * | 2015-12-17 | 2019-04-16 | Panasonic Intellectual Property Management Co., Ltd. | Silica aerogel, heat-insulation material, and method for producing silica aerogel |
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| CN112739770A (en) * | 2018-09-20 | 2021-04-30 | 蓝移材料有限公司 | Filled composites with reduced thermal conductivity, dielectric constant and weight |
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| CN105565843A (en) * | 2015-06-09 | 2016-05-11 | 天津城建大学 | Highly-light-transmitting highly-heat-insulating composite material and preparation method thereof |
| CN105329555A (en) * | 2015-11-24 | 2016-02-17 | 安徽美翔塑业有限公司 | Thermal-insulating packaging bag |
| US10259924B2 (en) * | 2015-12-17 | 2019-04-16 | Panasonic Intellectual Property Management Co., Ltd. | Silica aerogel, heat-insulation material, and method for producing silica aerogel |
| CN107266774A (en) * | 2016-04-08 | 2017-10-20 | 南京唯才新能源科技有限公司 | A kind of aerogel composite and preparation method thereof |
| CN106084525A (en) * | 2016-06-27 | 2016-11-09 | 林春梅 | A kind of novel light adiabator and preparation method thereof |
| CN106336592A (en) * | 2016-08-29 | 2017-01-18 | 芜湖市天雄新材料科技有限公司 | Heat preservation plastic board and preparing method thereof |
| CN106183152A (en) * | 2016-08-31 | 2016-12-07 | 上海婵婵户外用品有限公司 | A kind of insulation material and preparation method thereof |
| CN106757513A (en) * | 2016-12-01 | 2017-05-31 | 深圳中凝科技有限公司 | Aeroge composite fibre and its manufacture craft |
| CN107236287A (en) * | 2017-05-27 | 2017-10-10 | 清远初曲智能科技有限公司 | A kind of new aeroge enhancing nylon heat-insulation composite material and preparation method thereof |
| CN108059802A (en) * | 2017-12-10 | 2018-05-22 | 安徽银龙泵阀股份有限公司 | A kind of excellent pump valve pipeline of heat insulation effect |
| CN109096751A (en) * | 2018-07-18 | 2018-12-28 | 桐城市明丽碳化硼制品有限公司 | A kind of rare earth Signa Gel and preparation method thereof |
| CN109229874A (en) * | 2018-08-15 | 2019-01-18 | 孙世华 | A kind of refrigeration preparation method of plastic package material |
| CN112739770A (en) * | 2018-09-20 | 2021-04-30 | 蓝移材料有限公司 | Filled composites with reduced thermal conductivity, dielectric constant and weight |
| CN111100363A (en) * | 2018-10-26 | 2020-05-05 | 中国石油化工股份有限公司 | Polyethylene composition and film thereof |
| CN111154167A (en) * | 2019-03-18 | 2020-05-15 | 罗瑞尔纳米合成材料(江苏)有限公司 | Heat-insulating polyethylene composite material and preparation method thereof |
| CN112480673A (en) * | 2020-12-22 | 2021-03-12 | 王江淮 | Fireproof insulation board and preparation method thereof |
| CN113736173A (en) * | 2021-07-28 | 2021-12-03 | 上海乐纯生物技术有限公司 | Cell therapy liquid storage bag and manufacturing method thereof |
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