CN106279610A - Polyurethane heat-insulating heat-preserving material - Google Patents
Polyurethane heat-insulating heat-preserving material Download PDFInfo
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- CN106279610A CN106279610A CN201610667590.2A CN201610667590A CN106279610A CN 106279610 A CN106279610 A CN 106279610A CN 201610667590 A CN201610667590 A CN 201610667590A CN 106279610 A CN106279610 A CN 106279610A
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- heat
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- preserving material
- expanded vermiculite
- insulating heat
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4829—Polyethers containing at least three hydroxy groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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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
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
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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
- C08K7/16—Solid spheres
- C08K7/18—Solid spheres inorganic
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0025—Foam properties rigid
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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 present invention relates to insulation material, disclose a kind of polyurethane heat-insulating heat-preserving material.Described insulation material is obtained by the raw material mixed foaming of following weight fraction: isocyanates 70 100 parts, sorbeth polyhydric alcohol 70 100 parts, peplos expanded vermiculite 36 parts, nano silicon 58 parts, one fluorine dichloro hexane 10 20 parts, catalyst 15 parts, foam stabiliser 15 parts.Polyurethane heat-insulating heat-preserving material of the present invention has more excellent comprcssive strength, hot strength and impact strength, also reduce the foam contraction problem caused because of each side reasons such as itself characteristic, production technology and direct labor's operant skills, avoid water tank deformation simultaneously, rise and heave the stupefied phenomenon even ftractureed.
Description
Technical field
The present invention relates to insulation material, particularly relate to polyurethane heat-insulating heat-preserving material.
Background technology
Along with the energy is the most in short supply and the continuous increase of environmental protection pressure, countries in the world all start to try hard to recommend exploitation renewable energy
Source, wherein solar energy is to utilize and develop regenerative resource the widest, that development prospect is best, has been widely used in each row each
Industry, solar water heater industry is exactly one of them.China is richly stored with solar energy resources, and Solar use prospect is wide
Wealthy, it has been the first use state and manufacturing country of solar water heater in the world the most.
It is known that for solar water heater, the selection of water tank heat preserving material it is critical that, can serve as at present
The insulation material of water tank mainly has polyurethane foam, phenol formaldehyde foam, superfine fibre etc..Polyurethane foam is with poly-by isocyanates
In ether composition mixing is poured into mould or water tank cavity, foaming prepares, and wherein polyether composition contains polyether polyol, foaming
Agent, catalyst, firming agent, fire retardant, stabilizer etc., owing to polyurethane foam has, moulding process is simple, heat conductivity is low
Advantage, is the insulation material that mainly uses of water tank.
Polyurethane hard foam in process of production, because of itself characteristic, production technology and direct labor's operant skill etc.
The reason of each side, the problem that generally there is foam contraction, it is easily caused foam and comes off with housing portion or all come off, finally
Causing casing deformation, vacuum mouth of pipe foam ftractures, and What is more, and the polyurethane hard foam between inner bag and shell is laterally or longitudinally
Cracking, greatly reduces the heat insulation effect of water tank.
Summary of the invention
It is an object of the invention to: for the problem of above-mentioned existence, it is provided that a kind of polyurethane heat-insulating heat-preserving material.This poly-ammonia
Ester heat-insulating heat-preserving material has the mechanical properties such as more excellent comprcssive strength, hot strength, receives after overcoming foaming simultaneously
The shortcoming that contracting is big, it is to avoid water tank deforms, rises and heave the stupefied phenomenon even ftractureed, and ensure that the heat insulating ability of water-heater water tank
Energy.
The present invention is achieved by the following technical solutions:
Polyurethane heat-insulating heat-preserving material, described polyurethane heat-insulating heat-preserving material is by the raw material mixed foaming of following parts by weight
: isocyanates 50-100 part, sorbeth polyhydric alcohol 70-100 part, peplos expanded vermiculite 3-6 part, nano silicon 5-
8 parts, a fluorine dichloro hexane 10-20 part, catalyst 1-5 part and foam stabiliser 1-5 part.
Further, the hydroxyl value of described sorbeth polyhydric alcohol is 480-520mgKOH/g, and when 25 DEG C, viscosity is 4000-
8000 mPa.s。
Further, the preparation method of described peplos expanded vermiculite is:
(1) take 150-200 part expanded vermiculite to join seed-coating machine is heated to 200-250 DEG C, and add 10-20 part Pulvis Talci,
Stir；
(2) then expanded vermiculite is soaked by seed-coating machine one end sprinkling distilled water, and epoxy resin powder is sprayed in one end, and is stirred continuously
20-40min, obtains peplos expanded vermiculite.
Further, the particle diameter of described peplos expanded vermiculite is 50-100 μm.
Further, described nano silicon is nanometer silica line or hollow mesoporous silica nanospheres.
Further, described catalyst is diethanol monoisopropanolamine or hydroxyethylethylene diamine.
Further, described foam stabiliser is lauroyl isopropanolamine or 3-[poly-(ethylene glycol-copolymerization-propylene glycol) list
Methyl ether] propyl trialkoxy silane.
The present invention uses sorbeth polyhydric alcohol and isocyanates to carry out reaction to prepare hard polyurethane foam, increase polyurethane
Hard bubble the intensity of insulation material.Relative to hard bubbling of being prepared by common polyether polyhydric alcohol, this sorbitol based polyurethanes foam material
Material performs better than at the aspect such as hot strength, comprcssive strength.
Expanded vermiculite is the secondary metamorphic mineral of water aluminosilicate containing magnesium of a kind of layer structure, like Muscovitum outside raw ore, its
For by fabric and raw-vermiculite sheet after high-temperature roasting, the Vermiculitum that its volume energy obtains after expanding rapidly several times to tens times.After expanded
Vermiculitum is in granular form, have heat insulation, resistance to freeze, antibacterial, prevent fires, the excellent properties such as sound absorption, the present invention first carries out peplos to expanded vermiculite,
Take full advantage of expanded vermiculite fire-resistant, insulation, advantage lasting, corrosion resistant, the shortcoming reducing the hygroscopic expansion of expanded vermiculite,
The present invention uses the peplos expanded vermiculite that particle diameter is 40-70 μm, the increase hard polyurethane foam that peplos expanded vermiculite can be suitable
The percent opening of foam, and foamable gel and curing rate can be delayed, prevent foam from greatly and easily extruding because of short time inner accumulated strength
Inner bag and outer wall, reduce " bad foam " generation, reduce simultaneously foam-formed after shrinkage factor.
Nano silicon is the Inorganic Non-metallic Materials of a kind of excellent performance, and it is big that it has specific surface area, surface adsorption
Power is strong, the special performance such as chemical purity height, good, the thermal resistance of dispersive property, with its superior stability, reinforcing, thickening property and
Thixotropy, shows unique characteristics in numerous subjects and field, has the effect do not replaced.The nano silicon used herein is
Nanometer silica line or hollow mesoporous silica nanospheres, after foaming raw material mixing, nano silicon can be distributed in bubble
Hole wall, foamed materials skeleton in, play enhancing hole wall and the effect of foam stiffness, and do not interfere with foam structure, mix simultaneously
Miscellaneous nano silicon also can improve the intensity of polyurethane heat-insulating heat-preserving material.
After hard polyurethane foam formula material mixing jetting of the present invention, formation of foam can be made spherical or oval spherical and distribution
The finest and closely woven abscess, expanded material heat-insulating property is stable, and increases the intensity of cell wall, because of interior external pressure when reducing foam-formed
The material compression phenomena that difference occurs, increases the percent opening of foam simultaneously suitably, reduce foam-formed after shrinkage factor.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
(1) present invention uses sorbeth polyhydric alcohol, prepared Pyrusussuriensis alcohol radical rigid foam material and tradition side in foaming formulation
Foamed materials prepared by method is compared, and has more excellent comprcssive strength, hot strength and impact strength.
(2) present invention with the addition of the inorganic material such as peplos expanded vermiculite and nano silicon in foaming formulation, reduces
While shrinkage factor after foam-formed, also there is enhancing hole wall and the effect of foam stiffness.
(3) polyurethane heat-insulating heat-preserving material of the present invention is compared with prior art, except possessing conventional polyurethanes foamed materials
Outside high heat preservation performance, also reduce because each side reasons such as itself characteristic, production technology and direct labor's operant skill are made
The foam contraction problem become, it is to avoid water tank deforms, rises and heave the stupefied phenomenon even ftractureed.
Detailed description of the invention
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive
Feature and/or step beyond, all can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary), unless specifically stated otherwise,
By other equivalences or there is the alternative features of similar purpose replaced.I.e., unless specifically stated otherwise, each feature is a series of
An example in equivalence or similar characteristics.
Embodiment 1
First preparing peplos expanded vermiculite, process is as follows:
(1) take 150 parts of expanded vermiculites to join seed-coating machine is heated to 250 DEG C, and add 10 parts of Pulvis Talci, stir；
(2) then expanded vermiculite is soaked by seed-coating machine one end sprinkling distilled water, and epoxy resin powder is sprayed in one end, and is stirred continuously
20min, obtains peplos expanded vermiculite.
A kind of polyurethane heat-insulating heat-preserving material, is obtained by the raw material mixed foaming of following weight fraction: weighing hydroxyl value is
480mgKOH/g, when 25 DEG C, viscosity is 8000 mPa.The sorbeth polyhydric alcohol of s 70 parts, particle diameter is that the peplos of 50 μm expands
Vermiculitum 3 parts, nanometer silica line 5 parts, a fluorine dichloro hexane 10 parts, diethanol monoisopropanolamine 2 parts and lauroyl isopropanol
2 parts of mix homogeneously of amine, then with 50 parts of mixed foamings of isocyanates, i.e. can get polyurethane of the present invention after overcuring
Heat-insulating heat-preserving material.
Embodiment 2
First preparing peplos expanded vermiculite, process is as follows:
(1) take 200 parts of expanded vermiculites to join seed-coating machine is heated to 200 DEG C, and add 20 parts of Pulvis Talci, stir；
(2) then expanded vermiculite is soaked by seed-coating machine one end sprinkling distilled water, and epoxy resin powder is sprayed in one end, and is stirred continuously
40min, obtains peplos expanded vermiculite.
A kind of polyurethane heat-insulating heat-preserving material, is obtained by the raw material mixed foaming of following weight fraction: weighing hydroxyl value is
520mgKOH/g, when 25 DEG C, viscosity is 4000mPa.The sorbeth polyhydric alcohol of s 100 parts, particle diameter is that the peplos of 100 μm expands
Vermiculitum 6 parts, nanometer silica line 8 parts, a fluorine dichloro hexane 20 parts, diethanol monoisopropanolamine 5 parts and 3-[poly-(ethylene glycol-
Copolymerization-propylene glycol) monomethyl ether] 2 parts of mix homogeneously of propyl trialkoxy silane, then with 100 parts of mixed foamings of isocyanates,
Polyurethane heat-insulating heat-preserving material of the present invention is i.e. can get after overcuring.
Embodiment 3
First preparing peplos expanded vermiculite, process is as follows:
(1) take 180 parts of expanded vermiculites to join seed-coating machine is heated to 220 DEG C, and add 15 parts of Pulvis Talci, stir；
(2) then expanded vermiculite is soaked by seed-coating machine one end sprinkling distilled water, and epoxy resin powder is sprayed in one end, and is stirred continuously
30min, obtains peplos expanded vermiculite.
A kind of polyurethane heat-insulating heat-preserving material, is obtained by the raw material mixed foaming of following weight fraction: weighing hydroxyl value is
500mgKOH/g, when 25 DEG C, viscosity is 7000mPa.The sorbeth polyhydric alcohol of s 80 parts, particle diameter is that the peplos of 80 μm expands trematodiasis
5 parts of stone, hollow mesoporous silica nanospheres 6 parts, a fluorine dichloro hexane 15 parts, hydroxyethylethylene diamine 3 parts and lauroyl isopropyl
2 parts of mix homogeneously of hydramine, then with 90 parts of mixed foamings of isocyanates, i.e. can get poly-ammonia of the present invention after overcuring
Ester heat-insulating heat-preserving material.
Embodiment 4
First preparing peplos expanded vermiculite, process is as follows:
(1) take 180 parts of expanded vermiculites to join seed-coating machine is heated to 220 DEG C, and add 15 parts of Pulvis Talci, stir；
(2) then expanded vermiculite is soaked by seed-coating machine one end sprinkling distilled water, and epoxy resin powder is sprayed in one end, and is stirred continuously
30min, obtains peplos expanded vermiculite.
A kind of polyurethane heat-insulating heat-preserving material, is obtained by the raw material mixed foaming of following weight fraction: weighing hydroxyl value is
500mgKOH/g, when 25 DEG C, viscosity is 7000mPa.The sorbeth polyhydric alcohol of s 90 parts, particle diameter is that the peplos of 50 μm expands trematodiasis
5 parts of stone, hollow mesoporous silica nanospheres 6 parts, a fluorine dichloro hexane 15 parts, diethanol monoisopropanolamine 3 parts and lauroyl
2 parts of mix homogeneously of isopropanolamine, then with 100 parts of mixed foamings of isocyanates, i.e. can get of the present invention after overcuring
Polyurethane heat-insulating heat-preserving material.
The physical function parameter of the polyurethane heat-insulating heat-preserving material prepared embodiment 1-4 respectively detects, and surveys
Test result is as shown in table 1.
Table 1
From table, the heat conductivity of polyurethane heat-insulating heat-preserving material prepared by above example of the present invention, comprcssive strength, stretching
The indexs such as adhesion strength, dimensional stability and rate of closed hole all have than existing insulation material and improve significantly, chilled or high
Ungauged regions under the conditions of temperature, deform, expand, the phenomenon such as cracking, be the insulation material of a kind of excellent performance.
The invention is not limited in aforesaid detailed description of the invention.The present invention expands to any disclose in this manual
New feature or any new combination, and the arbitrary new method that discloses or the step of process or any new combination.
Claims (7)
1. a polyurethane heat-insulating heat-preserving material, it is characterised in that: described polyurethane heat-insulating heat-preserving material is by following parts by weight
Raw material mixed foaming and obtain: isocyanates 50-100 part, sorbeth polyhydric alcohol 70-100 part, peplos expanded vermiculite 3-6
Part, nano silicon 5-8 part, a fluorine dichloro hexane 10-20 part, catalyst 1-5 part and foam stabiliser 1-5 part.
Polyurethane heat-insulating heat-preserving material the most according to claim 1, it is characterised in that: described sorbeth polyhydric alcohol
Hydroxyl value is 480-520mgKOH/g, and when 25 DEG C, viscosity is 4000-8000 mPa.s。
Polyurethane heat-insulating heat-preserving material the most according to claim 1, it is characterised in that: the preparation of described peplos expanded vermiculite
Method is:
(1) take 150-200 part expanded vermiculite to join seed-coating machine is heated to 200-250 DEG C, and add 10-20 part Pulvis Talci,
Stir；
(2) then expanded vermiculite is soaked by seed-coating machine one end sprinkling distilled water, and epoxy resin powder is sprayed in one end, and is stirred continuously
20-40min, obtains peplos expanded vermiculite.
4. according to the polyurethane heat-insulating heat-preserving material described in claim 1 or 3, it is characterised in that: described peplos expanded vermiculite
Particle diameter is 50-100 μm.
Polyurethane heat-insulating heat-preserving material the most according to claim 4, it is characterised in that: described nano silicon is dioxy
SiClx nano wire or hollow mesoporous silica nanospheres.
Polyurethane heat-insulating heat-preserving material the most according to claim 5, it is characterised in that: described catalyst is diethanol Dan Yi
Propanolamine or hydroxyethylethylene diamine.
Polyurethane heat-insulating heat-preserving material the most according to claim 6, it is characterised in that: described foam stabiliser is lauroyl
Isopropanolamine or 3-[poly-(ethylene glycol-copolymerization-propylene glycol) monomethyl ether] propyl trialkoxy silane.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107915825A (en) * | 2017-11-21 | 2018-04-17 | 广西超星太阳能科技有限公司 | A kind of thermal insulation material of the ester polyol containing rosin and preparation method thereof |
| CN109575218A (en) * | 2018-11-14 | 2019-04-05 | 安徽明光中兴阳光新能源科技有限公司 | A kind of solar water container polyurethane inorganic flame-retardant thermal insulation material and preparation method thereof |
| CN109593177A (en) * | 2018-11-14 | 2019-04-09 | 安徽明光中兴阳光新能源科技有限公司 | A kind of solar water heater flame-retardant thermal insulation material and preparation method thereof |
| CN114277947A (en) * | 2022-01-13 | 2022-04-05 | 万华节能科技(烟台)有限公司 | Low-temperature high-flame-retardant construction process for spraying polyurethane hard foam heat-insulating layer cold storage |
| CN115557729A (en) * | 2022-07-27 | 2023-01-03 | 重庆英仕达新型建材有限公司 | Light heat-insulating material for building and preparation process thereof |
| US11970564B2 (en) * | 2022-01-28 | 2024-04-30 | Safekey Engineering Technology (Zhengzhou), Ltd. | Structural flame retardant high strength low exothermic polymer grouting material for consolidating |
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| CN107915825A (en) * | 2017-11-21 | 2018-04-17 | 广西超星太阳能科技有限公司 | A kind of thermal insulation material of the ester polyol containing rosin and preparation method thereof |
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| CN109593177A (en) * | 2018-11-14 | 2019-04-09 | 安徽明光中兴阳光新能源科技有限公司 | A kind of solar water heater flame-retardant thermal insulation material and preparation method thereof |
| CN114277947A (en) * | 2022-01-13 | 2022-04-05 | 万华节能科技(烟台)有限公司 | Low-temperature high-flame-retardant construction process for spraying polyurethane hard foam heat-insulating layer cold storage |
| US11970564B2 (en) * | 2022-01-28 | 2024-04-30 | Safekey Engineering Technology (Zhengzhou), Ltd. | Structural flame retardant high strength low exothermic polymer grouting material for consolidating |
| CN115557729A (en) * | 2022-07-27 | 2023-01-03 | 重庆英仕达新型建材有限公司 | Light heat-insulating material for building and preparation process thereof |
| CN115557729B (en) * | 2022-07-27 | 2023-12-08 | 重庆英仕达新型建材有限公司 | Light heat-insulating material for building and preparation process thereof |
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Application publication date: 20170104 |