CN106433431B - A kind of heat-barrier material and preparation method thereof of regeneration waste polyurethane foam - Google Patents
A kind of heat-barrier material and preparation method thereof of regeneration waste polyurethane foam Download PDFInfo
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- CN106433431B CN106433431B CN201610819339.3A CN201610819339A CN106433431B CN 106433431 B CN106433431 B CN 106433431B CN 201610819339 A CN201610819339 A CN 201610819339A CN 106433431 B CN106433431 B CN 106433431B
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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Abstract
The invention belongs to industry and consumer waste regenerated technical field, more particularly to a kind of heat-barrier material and preparation method thereof of regeneration waste polyurethane foam.Technical scheme is as follows：A kind of heat-barrier material of regeneration waste polyurethane foam, including waste polyurethane foam fecula, hollow fibre, film forming agent, filler, curing agent and water again；Fecula includes 1 18wt% of polyurethane foam crushed material to the waste polyurethane foam again.The present invention solves the problems, such as that the recycling of waste polyurethane foam material for a long time, economic value are very huge well.The problem of producing high-end super thermal insulation material using waste and scrap is also solved, traditional technology restriction is breached, obtains splendid heat insulation effect.
Description
Technical field
The present invention relates to the useless solid recyclings of one kind preparing superinsulation composite material, belongs to industry and consumer waste regenerated skill
Art field, more particularly to a kind of heat-barrier material and preparation method thereof of regeneration waste polyurethane foam.
Background technology
With the development of industry and life product (automobile, refrigerator etc.), a large amount of industry and house refuse, some of which are produced
Rubbish, as waste polyurethane foam thermal insulation material it is difficult to which benign processing, is not only difficult to degrade, and burns once becoming rubbish
A large amount of toxic gases can be also released afterwards.These garbage bulks are big, inflammable, and storage is difficult, processing is difficult, recycling is difficult.And these years with
The rapid development of China's industry, such rubbish is more and more or even a mating enterprise of compact car, monthly will produce several
The waste polyurethane foam leftover pieces of ten tons (nearly kilostere).Immense pressure is brought to society and environmental protection administration, therefore how
These rubbish can be turned waste into wealth, just at problem of industry urgently to be resolved hurrily.
In environmental protection industry (epi) circle, also once there is a variety of processing methods, if chemical dissolution method recycles, but of high cost, difficulty it is big,
The product that do not designed, therefore there is no economic value, in China, there is presently no a kind of valences tool scale, optimize, economic
It is worth high waste polyurethane foam and recycles method.Because of useless solid processing, it is critical that rubbish is not only digested, it will also be again
High value-added product is born, the solution of optimization is only.
Invention content
It is an object of the invention to solve the deficiency of traditional technology, provide a kind of regeneration waste polyurethane foam every
Hot material.The heat-barrier material does not still produce waste polyurethane foam as raw material, and by superinsulation principle with
The organic cooperation of cross-linking system multiphase of waterproof and anticorrosion constitutes the super of thermal coefficient extremely low (being less than 0.015w/mk under room temperature)
Heat-insulating material, value-added content of product is high, and application field is extremely wide, and the thermal coefficient at subzero 30 DEG C is only 0.012w/mk,
It is current most excellent anti-freezing and heat-insulating material, is had broad application prospects in high-end, ultra-thin field of thermal insulation.Simultaneously as adopting
Industry has been used, as one of main material, the cost of product to greatly reduce so that its economic value is very huge with house refuse
Greatly, it since it has both waterproof, anti-corrosion effect, one times longer than Conventional insulation of service life or more simultaneously, therefore also brings
Huge energy-saving and emission-reduction benefit.In addition, current building thermal insulation material is difficult to accomplish fire-protection rating and the double raisings of heat insulation effect, and
Super thermal insulation material obtained by the present invention can reach very high fire protection requirement in the case where heat insulation effect is unrivaled.
It is another object of the present invention to provide a kind of preparations of the heat-barrier material of regeneration waste polyurethane foam
Method.
In order to realize first purpose, the technical solution adopted by the present invention is as follows：A kind of regeneration waste polyurethane bubble
The heat-barrier material of foam, including waste polyurethane foam fecula, hollow fibre, film forming agent, filler, curing agent and water again；
Wherein：Fecula includes the following each component for accounting for heat-barrier material mass percent to the waste polyurethane foam again：It is poly-
Urethane foam crushed material 1-18%；
The hollow fibre includes the following each component for accounting for heat-barrier material mass percent：Be chopped hollow organic fire-resisting fiber
2-6%, inorganic hollow fiber powder 3-15%；
The film forming agent includes the following each component for accounting for heat-barrier material mass percent：Acrylic emulsion 5-19%, diformazan
Base ethylaminoethanol 0.2-2%, auxiliary agent 0.1-1.8%, 2-Butoxyethyl acetate 0.5-5%；
The filler includes the following each component for accounting for heat-barrier material mass percent：Expanded glass micro mist 2-14%, expansion
Resin micropowder 1-9%；
The curing agent includes the following each component for accounting for heat-barrier material mass percent：Hexamethylene diisocyanate trimerization
Body 1-5%；
Water 15-50%.
The proportion relation preferred embodiment of each raw material is as follows：Fecula includes following accounting for heat-insulated material to the waste polyurethane foam again
Expect each component of mass percent：Polyurethane foam crushed material 10%；
The hollow fibre includes the following each component for accounting for heat-barrier material mass percent：Be chopped hollow organic fire-resisting fiber
4%, inorganic hollow fiber powder 3%；
The film forming agent includes the following each component for accounting for heat-barrier material mass percent：Acrylic emulsion 17%, dimethyl
Ethylaminoethanol 1%, auxiliary agent 1.6%, 2-Butoxyethyl acetate 2%；
The filler includes the following each component for accounting for heat-barrier material mass percent：Expanded glass micro mist 14%, expansion tree
Fat micro mist 1%；
The curing agent includes the following each component for accounting for heat-barrier material mass percent：Hexamethylene diisocyanate trimerization
Body 4%；
Water 42.4%.
Further, the polyurethane foam crushed material is the two-stage crushed material of hard polyurethane foam or soft polyurethane foam, one
Grade is grain size 200um-300um, and two level is grain size 50um-150um, respectively accounts for 50%.
Further, the fibre length of the hollow organic fire-resisting fiber that is chopped is 5mm-10mm, inorganic hollow fiber powder
Fibre length be 1mm-5mm.
Further, the acrylic emulsion is hydroxyl acrylic emulsion, and auxiliary agent is dispersant and antifoaming agent, ethylene glycol fourth
Ether acetate is butyl acetate.
Further, the grain size of the expanded glass micro mist is 5um-100um, and the grain size of swollen resin micro mist is 30um-
150um。
Further, the hexamethylene diisocyanate trimer is aqueous self-emulsifying hexamethylene diisocyanate three
Aggressiveness.
In order to realize second purpose, the technical solution adopted by the present invention is as follows：It is a kind of that prepare the regeneration useless
The method of the heat-barrier material of old polyurethane foam, includes the following steps：
S1, component A is prepared：By polyurethane foam crushed material be chopped hollow organic fire-resisting fiber, inorganic hollow fiber powder,
Acrylic emulsion, dimethylaminoethanol, auxiliary agent, 2-Butoxyethyl acetate, water mixing, high-speed stirred dispersion are spare；
S2, B component is prepared：By hexamethylene diisocyanate trimer, water and expanded glass micro mist, swollen resin micro mist
Mixing, stirring at low speed dispersion are spare；
The B component in mass ratio 1 that S3, the component A for preparing S1 are prepared with S2：1 ratio mixing.
Further, the polyurethane foam crushed material is the two-stage crushed material of hard polyurethane foam or soft polyurethane foam, one
Grade is grain size 200um-300um, and two level is grain size 50um-150um, respectively accounts for 50%；The hollow organic fire-resisting fiber that is chopped
Fibre length is 5mm-10mm；The fibre length of inorganic hollow fiber powder is 1mm-5mm；The acrylic emulsion is hydroxy
Yogurt liquid, auxiliary agent are dispersant and antifoaming agent, and 2-Butoxyethyl acetate is butyl acetate；The expanded glass
The grain size of micro mist is 5um-100um, and the grain size of swollen resin micro mist is 30um-150um；The hexamethylene diisocyanate three
Aggressiveness is aqueous self-emulsifying hexamethylene diisocyanate trimer.
Beneficial effects of the present invention are as follows：(1) present invention solves waste polyurethane foam material for a long time well
Recycling problem, economic value is very huge.(2) present invention solves high-end super using waste and scrap production well
The problem of thermal insulation material, breaches traditional technology restriction, obtains splendid heat insulation effect.(3) present invention solves well
The relations problems of thermal coefficient (heat insulation effect) and fire-protection rating of traditional architecture thermal insulation material provide one kind and both prevented fires, protect
Temp effect and good super thermal insulation material.(4) thermal insulation material prepared by the present invention is environmentally friendly, nontoxic, is not polluted in production process
And discharge.(5) thermal insulation material preparation process of the invention is simple, safe and reliable, cost-effective.
Description of the drawings
Fig. 1 is production procedure schematic diagram of the present invention.
Specific implementation mode
Technical scheme of the present invention is further described with reference to specific embodiment, but the present invention is not with any shape
Formula is limited to embodiment content.Test method described in embodiment is conventional method unless otherwise specified；Such as without special theory
Bright, the reagent and biomaterial commercially obtain.Preferably, the hollow organic fire-resisting fiber that is chopped is purchased from south
Tong Luolai chemical fibres Co., Ltd；Inorganic hollow fiber powder is purchased from Dalian Xin Lian Science and Technology Ltd.s；Expanded glass micro mist is purchased
From Jiangsu Hua Xing heavy industrys Machinery Co., Ltd.；Swollen resin micro mist is purchased from Shanghai Tuo Jia printing materials Co., Ltd.
Polyurethane foam regenerates the preparation of powder component：It collects, screening waste polyurethane raw material, after being crushed, and carries out one, two
Grade crushes, and the particle of level-one is between 200um-300um, and secondary particle size is between 50um-150um.
Embodiment is carried out according to the raw material proportioning relationship in the following table 1：
Table 1
Embodiment 1
S1, component A is prepared：By polyurethane foam crushed material according to the ratio with chopped hollow organic fire-resisting fiber, inorganic hollow
Fiber powder, acrylic emulsion, dimethylaminoethanol, dispersant-polyethylene glycol, antifoaming agent-dimethyl silicone polymer, ethylene glycol
Monobutyl ether acetate, water (50% of total water consumption) mixing, high-speed stirred dispersion are spare；
S2, B component is prepared：By hexamethylene diisocyanate trimer, water (the 50% of total water consumption) and expanded glass
Micro mist, the mixing of swollen resin micro mist, stirring at low speed dispersion are spare；The low speed is 10-100 revs/min；
The B component in mass ratio 1 that S3, the component A for preparing S1 are prepared with S2：1 ratio mixing, is sprayed by certain thickness
Or be manually painted on 150 DEG C of insulation equipment (or building) surfaces below, after normal temperature cure 24 hours, waterproof and anticorrosion
Heat insulation coating.Also above-mentioned mixture can be poured into mold with shaper, 8 hours is dried at 100 DEG C -130 DEG C to get heat preservation
Proximate matter can be used for building exterior wall heat preserving.
Embodiment 2
The present embodiment is identical as 1 preparation method of embodiment, and difference lies in the granular sizes of material proportion and material.
Embodiment 3
The present embodiment is identical as 1 preparation method of embodiment, and difference lies in the granular sizes of material proportion and material.
Embodiment 4
The present embodiment is identical as 1 preparation method of embodiment, and difference lies in the granular sizes of material proportion and material.
Embodiment 5
Performance parameter detecting is carried out to product made from embodiment 4, it is as a result as follows：
2 heat-insulating property parameter of table
| Project | Unit | Standard requirement | Testing result | Individual event conclusion |
| Adhesion strength | Kpa | ≥25 | 108 | It is qualified |
| Thermal coefficient (25 DEG C) | w/m·k | ≤0.06 | 0.012 | It is qualified |
| Dry density | Kg/m3 | ≤180 | 120 | It is qualified |
3 physical property of table
Embodiment 6
Antifreeze experiment is carried out to product made from embodiment 4, the object of this antifreeze experiment is high pressure straight tube, and straight tube uses
The ultra heat insulating material of regeneration waste polyurethane foam, external thermal insulation.
4 experimental subjects parameter of table
Fracturing fluid base fluid viscosity 30mpas；Ambient temperature is -20, -30 DEG C, and medium temperature is 7 DEG C of left sides in experimental subjects
It is right.Cooling time is respectively 24 hours.Every 6 hours measure the temperature and frozen thickness of liquid in an experimental subjects.Experiment
As a result as follows：
5 test result of table
As seen from the experiment, heat insulation coating is done using the material of the present invention, does not do any Insulation relatively, straight tube
Rate of temperature fall is substantially reduced, and with thickening for coating, rate of temperature fall is also lower, and icing thickness is significantly reduced.In conclusion this
Invention products characteristics：(1) fields such as superinsulation, industrial heat preservation are can be applied to, traditional bottleneck is broken through, heat insulation is surprising.(2)
It is mainly used for the insulation of industrial equipment, pipeline, facility, structure.(3) the thermal coefficient 0.012w/m of material of the present invention
K belongs to superinsulation series, to have waterproof, anticracking, anti-corrosion, acid and alkali-resistance, resistance to ultraviolet on domestic at present and international market simultaneously
The product of the features such as line, fire protection flame retarding.Due to the use of expanded glass micro mist so that material of the invention has extremely strong reflection
Property, to infrared, ultraviolet reflectivity 90% or more, therefore the performance with long-term UV resistant.Simultaneously as this hair
After bright material dry solidification, the inorganic volume ratio that total ingredient is accounted for flame-retardant composition is more than 80%, when meeting open fire, the friendship on surface
It is coupled structure to be carbonized rapidly, and its internal inorganic constituents, that is, heat-insulated fire-retardant, blocking heat further internally permeates, so,
The present invention has the characteristic of fire-retardant fireproof on the whole.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of heat-barrier material of regeneration waste polyurethane foam, which is characterized in that regenerated including waste polyurethane foam
Powder, hollow fibre, film forming agent, filler, curing agent and water；
Wherein：Fecula includes the following each component for accounting for heat-barrier material mass percent to the waste polyurethane foam again：Polyurethane
Foam crushed material 10-18%；
The hollow fibre includes the following each component for accounting for heat-barrier material mass percent：Be chopped hollow organic fire-resisting fiber 2-
6%, inorganic hollow fiber powder 3-15%；
The film forming agent includes the following each component for accounting for heat-barrier material mass percent：Acrylic emulsion 5-19%, dimethylamino
Base ethyl alcohol 0.2-2%, auxiliary agent 0.1-1.8%, 2-Butoxyethyl acetate 0.5-5%；
The filler includes the following each component for accounting for heat-barrier material mass percent：Expanded glass micro mist 2-14%, swollen resin
Micro mist 1-9%；
The curing agent includes the following each component for accounting for heat-barrier material mass percent：Hexamethylene diisocyanate trimer 1-
5%；
Water 15-50%；
The heat-barrier material thermal coefficient of the regeneration waste polyurethane foam is less than 0.015w/mk；The polyurethane foam
Foam crushed material is the two-stage crushed material of hard polyurethane foam or soft polyurethane foam, and level-one is 200 μm 300 μm of grain size, and two level is
50 μm -150 μm of grain size, respectively accounts for 50%.
2. a kind of heat-barrier material of regeneration waste polyurethane foam as described in claim 1, which is characterized in that described useless
Fecula includes the following each component for accounting for heat-barrier material mass percent to old polyurethane foam again：Polyurethane foam crushed material 10%；
The hollow fibre includes the following each component for accounting for heat-barrier material mass percent：Be chopped hollow organic fire-resisting fiber 4%,
Inorganic hollow fiber powder 3%；
The film forming agent includes the following each component for accounting for heat-barrier material mass percent：Acrylic emulsion 17%, dimethylamino
Ethyl alcohol 1%, auxiliary agent 1.6%, 2-Butoxyethyl acetate 2%；
The filler includes the following each component for accounting for heat-barrier material mass percent：Expanded glass micro mist 14%, swollen resin is micro-
Powder 1%；
The curing agent includes the following each component for accounting for heat-barrier material mass percent：Hexamethylene diisocyanate trimer
4%；
Water 42.4%.
3. a kind of heat-barrier material of regeneration waste polyurethane foam as described in claim 1, which is characterized in that described short
It is 5mm-10mm to hit and have the fibre length of machine fire resistance fibre in vain, and the fibre length of inorganic hollow fiber powder is 1mm-5mm.
4. a kind of heat-barrier material of regeneration waste polyurethane foam as described in claim 1, which is characterized in that described third
Olefin(e) acid lotion is hydroxyl acrylic emulsion, and auxiliary agent is dispersant and antifoaming agent, and 2-Butoxyethyl acetate is butyl
Acetate.
5. a kind of heat-barrier material of regeneration waste polyurethane foam as described in claim 1, which is characterized in that described swollen
The grain size of swollen glass micro mist is 5 μm -100 μm, and the grain size of swollen resin micro mist is 30 μm -150 μm.
6. a kind of heat-barrier material of regeneration waste polyurethane foam as described in claim 1, which is characterized in that described six
Methylene diisocyanate tripolymer is aqueous self-emulsifying hexamethylene diisocyanate trimer.
7. a kind of method for the heat-barrier material preparing regeneration waste polyurethane foam as described in claim 1, feature
It is, includes the following steps：
S1, component A is prepared：By polyurethane foam crushed material and hollow organic fire-resisting fiber, inorganic hollow fiber powder, the propylene of being chopped
Yogurt liquid, dimethylaminoethanol, auxiliary agent, 2-Butoxyethyl acetate, water mixing, high-speed stirred dispersion are spare；
S2, B component is prepared：Hexamethylene diisocyanate trimer, water and expanded glass micro mist, swollen resin micro mist are mixed
Conjunction, stirring at low speed dispersion are spare；
The B component in mass ratio 1 that S3, the component A for preparing S1 are prepared with S2：1 ratio mixing.
8. the method for preparing the heat-barrier material of regeneration waste polyurethane foam as claimed in claim 7, which is characterized in that
The polyurethane foam crushed material is the two-stage crushed material of hard polyurethane foam or soft polyurethane foam, and level-one is 200 μm of grain size-
300 μm, two level is 50 μm -150 μm of grain size, respectively accounts for 50%；The fibre length of the hollow organic fire-resisting fiber that is chopped
For 5mm-10mm；The fibre length of inorganic hollow fiber powder is 1mm-5mm；The acrylic emulsion is hydroxyl acrylic emulsion,
Auxiliary agent is dispersant and antifoaming agent, and 2-Butoxyethyl acetate is butyl acetate；The expanded glass micro mist
Grain size is 5 μm -100 μm, and the grain size of swollen resin micro mist is 30 μm -150 μm；The hexamethylene diisocyanate
Tripolymer is aqueous self-emulsifying hexamethylene diisocyanate trimer.
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| CN101921091A (en) * | 2010-06-29 | 2010-12-22 | 上海大学 | Method for preparing thermal-insulation material for dry powder from waste polyurethane foamed plastics |
| CN101913820A (en) * | 2010-07-20 | 2010-12-15 | 武汉奥捷高新技术有限公司 | Heat-preserving decorative mortar and preparation method thereof |
| CN102115631A (en) * | 2011-01-11 | 2011-07-06 | 深圳市广田环保涂料有限公司 | Dual-component oil polyurethane temperature-preserving and heat-insulating coating and preparation method thereof |
| CN104559393A (en) * | 2013-10-22 | 2015-04-29 | 中国石油化工股份有限公司 | Heat-insulated anticorrosive coating, heat-insulated anticorrosive material and pipeline |
| CN105238247A (en) * | 2015-10-21 | 2016-01-13 | 中国船舶重工集团公司第七二五研究所 | Preparation method of waterborne polyurethane reflective insulation coating |
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