CN1670081A - Normal temperature curing type polyurethane compositions - Google Patents
Normal temperature curing type polyurethane compositions Download PDFInfo
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- CN1670081A CN1670081A CN 200410032612 CN200410032612A CN1670081A CN 1670081 A CN1670081 A CN 1670081A CN 200410032612 CN200410032612 CN 200410032612 CN 200410032612 A CN200410032612 A CN 200410032612A CN 1670081 A CN1670081 A CN 1670081A
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Abstract
The invention relates to a normal temperature curing polyurethane compound, which comprises: using the isocyanate group terminal methyl carbamate prepolymer produced in the reaction of organic polyisocyanates and polyester polyol or polyether polyol as host of the main ingredient, mixing the said host with the curing agents containing of reactive hydride, curing catalyst and other auxiliary agents to make the said host embody micro hollow granules. The compound has thixotropic behavior, good operating performance, holds good stiffness and can form a cured compound of good adiathermancy.
Description
Technical field
The invention relates to the normal temperature cured type polyurethane composition that contains small hollow sphere.In more detail, the invention relates to the normal temperature cured type polyurethane composition, it is characterized in that, containing when mixing with the solidifying agent that contains active hydrogen-contg compound, curing catalysts and other auxiliary agents with the host of the carbamate pre-polymerization polymkeric substance of the isocyanate group end of the resultant of reaction of polyester polyol or polyether glycol, make it comprise inorganic system or the small hollow sphere of organic system as organic multiple isocyanate.
Technology in the past
The ambient cure type polyurethane, because the caoutchouc elasticity of its good solidified nature and cured article, be used for building materials purposes such as water-proof material, flooring material, elasticity pavement material, and because its favorable durability, be widely used in sports filed track, extension line, also have tennis court, golf course step pathway, gymnasium, campus, swimming pool surrounding ground etc., also be widely used in this external other field.
But, in the past when using the normal temperature cured type polyurethane composition to mat formation, because ambient cure type polyurethane thermal conductivity height, therefore locate in the occasion of mating formation of periods of direct sunlight insolation etc., direct influence to substrate is very big, and particularly when substrate was the situation of bituminous concrete, its itself absorbed heat itself, cause self-evaporatint n. (Off ラ Star シ ユ) phenomenon and pitch dilution phenomenons such as (カ Star ト バ Star Network), be easy to generate peeling off and problem such as expansion of polyurethane coating film layer.In order to prevent these problems, in the normal temperature cured type polyurethane composition, sneak into powdered rubber, air etc., the thermal conductivity of layer of polyurethane is reduced.But, in the time of in this way, because the changes in hardness of solidified polyurethane coating film layer is very big, therefore, need carry out multiple coating in the occasion that is coated to appointed thickness in advance or in acclive a little place, perhaps adopt methods such as in the ambient cure type polyurethane, sneaking into powdered rubber, air to improve viscosity and construct.
Summary of the invention
Problem to be solved by this invention is, is provided for mating formation and can forms the mat formation normal temperature cured type polyurethane resin composition of layer of the low urethane of thermal conductivity.
In order to address the above problem, the inventor has carried out research with keen determination, found that, by adopting the method for in the normal temperature cured type polyurethane resin composition, adding small hollow sphere, make composition keep suitable thixotropy, can carry out thick coating, use this method successfully to reduce the mat formation heat conductivity of face of construction, and stable keep mating formation surface hardness, thereby finished the present invention.
That is, the present invention relates to
(1) normal temperature cured type polyurethane composition, it is characterized in that, to make it comprise the small hollow sphere of median size 2-100 micron when mixing with the solidifying agent that contains active hydrogen-contg compound, catalyzer and other auxiliary agents as the host of principal constituent with the carbamate prepolymer of the isocyanate group end of the resultant of reaction of polyester polyol or polyether glycol as organic multiple isocyanate.
(2) according to (1) described normal temperature cured type polyurethane composition, wherein, small hollow sphere is that vinylidene chloride, acrylic, methyl methacrylate system or phenol are the small hollow-particle of organic system of material.
(3) according to (2) described normal temperature cured type polyurethane composition, wherein, the small hollow-particle of organic system is a median size 2-100 micron, the fine particle of true specific gravity 0.02-0.23.
(4) according to (3) described normal temperature cured type polyurethane composition, wherein the content of the small hollow-particle of organic system in composition is 0.2-2.0 weight %.
(5) according to (1) described normal temperature cured type polyurethane composition, wherein, small hollow sphere be pottery be inorganic be small hollow-particle.
(6) according to (5) described normal temperature cured type polyurethane composition, wherein, inorganic is that small hollow-particle is a median size 2-100 micron, the fine particle of true specific gravity 0.1-1.5.
(7) according to (6) described normal temperature cured type polyurethane composition, wherein, inorganic is that the content of small hollow-particle in composition is 3-30 weight %.
The concrete form of implementation of invention
The small hollow sphere of Shi Yonging is the small hollow sphere of inorganic system or organic system in the present invention.
As the small hollow sphere of organic system,, be the fine powdery particle that comprises the aqueous whipping agent of volatility in the mode of organic system polymer shell as putting down in writing in the Japanese Patent Publication 59-53290 communique.
Particularly, be exactly the isobutane body of the multipolymer of polyvinylidene chloride and vinyl cyanide, or the material that foaming such as resol, Resins, epoxy, polyvinyl alcohol is made with low boiling point solvent.Be that median size is the 2-100 micron, true specific gravity is the powdery fine particle of 0.02-0.23.
In the present composition, the small hollow sphere of organic system is that 0.2-2.0 weight % is fit to respect to the content of normal temperature cured type polyurethane composition total amount, preferred especially 0.4-1.6 weight %.When less than 0.2 weight % the time, do not see effect.If greater than 2.0 weight %, viscosity of material rises, and operability descends.
Described inorganic be small hollow sphere, be that pottery is small hollow sphere, with SiO
2And Al
2O
3As principal constituent, as disclosed in the Japanese kokai publication hei 2-180631 communique, the blister bead of the hollow ceramic that must certain stage in its manufacturing processed use high temperature and make, particularly, be exactly commercially available セ ノ ラ イ ト (crust industry (strain) is made), イ-ス Off イ ズ (Pacific Ocean セ メ Application ト society), テ Application プ コ-ト (テ Le マ コ-ト society) etc.
Above-mentioned particle is a median size 2-100 micron, preferred 5-80 micron, true specific gravity 0.1-1.5, the fine particle of preferred 0.1-1.2.
Inorganic be small hollow sphere with respect to the use level of normal temperature cured type polyurethane composition total amount is 3-30 weight %, preferred 5-20 weight %.If greater than 30 weight %, the physicals of filming of mating formation reduces, and operability also descends, and is not preferred.When less than 3 weight % the time, give thixotropic effect and diminish, also inadvisable.
In the present invention can enough known methods as the urethane prepolymer of the isocyanate group end of host, the organic multiple isocyanate that contains isocyanate group is reacted with polyester polyol or polyether glycol make.Organic multiple isocyanate and polyester polyol or polyether glycol are for example reacted under 30-120 ℃ of temperature to be made.
Be used for organic multiple isocyanate of the present invention, it for example is the tetramethylene vulcabond, the penta-methylene vulcabond, HDI, the octomethylene vulcabond, dipropyl ether-3,3 '-vulcabond, dicyclohexyl methyl hydride-4,4 '-vulcabond, 1,4-cyclohexylene vulcabond, isophorone diisocyanate, ditan-4,4 '-vulcabond, the ditan of known various modifications-4,4 '-vulcabond, inferior phenyl ester between two isocyanic acids, 2, the 4-tolylene diisocyanate, 2,6 '-tolylene diisocyanate etc., and ditan-4, the raw product of 4 '-vulcabond (thick MDI or as the known contents of many phenyl methylenes polyisocyanates) etc.These can use separately or the two or the two above the mixing uses.
In the present invention the polyvalent alcohol of Shi Yonging so long as have two or two above active hydrogens and with the organic multiple isocyanate reaction, and polyester polyol or the polyether glycol of giving isocyanate group terminal amino group manthanoate prepolymer get final product, limit especially.With the combination of omega-dicarboxylic acids and polyalcohols, can use usually the polyester polyol or the known in the past polyether glycol that can obtain by known method.Usually use molecular-weight average 200-10,000, preferred especially 300-7,000 polyester polyol or polyether glycol.And the polyvalent alcohol that uses can use separately or two or more mixes use.
That is,, can use in the present invention without restriction as known urethane in the past the mat formation employed organic multiple isocyanate class of polyurethane material or the polyalcohols of usefulness.
Hydroxyl equivalent in isocyanate group in the used in the present invention isocyanate group terminal amino group manthanoate prepolymer and polyester polyol or the polyether glycol is than (NCO/OH) 2-20 normally, the free isocyanate groups that comprises in carbamate prepolymer is 1-15 weight % (below, % represents weight).
The solidifying agent that is used for the present invention is the material with the reaction of aforementioned isocyanate group terminal amino group manthanoate prepolymer, and comprises and contain compound bearing active hydrogen (linking agent), catalyzer and other auxiliary agents such as weighting agent, softening agent and pigment.
Described active dydrogen compounds (linking agent) is polyamine or polyvalent alcohol, polyamine can use quadrol, tetramethylenediamine, hexamethylene diamine, Ursol D, 3,3 '-two chloro-4,4 '-diaminodiphenyl-methane, 4,4 '-diaminodiphenyl-methane, 3,3 '-dimethyl-4,4 '-diaminodiphenyl-methane etc.Polyvalent alcohol can use known polyester polyol, polyether glycol or polymer polyatomic alcohol etc. as polyvalent alcohol in addition.These active dydrogen compounds can use separately, also can two or more mix use.
The equivalence ratio of active dydrogen compounds and isocyanate group terminal amino group manthanoate prepolymer is counted the amount of 0.95-2.0 with NCO/H (active hydrogen).
As catalyzer, for example use known amine, organometallic compound, be effectively as metal salts of organic acids such as organic acid tin, organic lead plumbate or organic acid bismuths, use with known usage quantity usually as catalyzer.
Described softening agent is the fraction of Bisphthalate, adipic acid ester, Tritolyl Phosphate, clorafin and so on.For example can use dibutyl phthalate (DBP), dinoctyl phthalate (DnOP), phthalic acid two (2-ethylhexyl) ester (DOP), hexanodioic acid two (2-ethylhexyl) ester (DOA) or fatty acid ester etc.
Composition of the present invention is with being that the host of principal constituent is mixed the composition that obtains with the solidifying agent that contains active hydrogen-contg compound, curing catalysts and other auxiliary agents as the above-mentioned organic multiple isocyanate and the carbamate prepolymer of the isocyanate group end of the resultant of reaction of polyester polyol or polyether glycol.The small hollow sphere of inorganic system or organic system mixes after can adding in any in host or the solidifying agent when mixing above-mentioned material in advance, perhaps also can add simultaneously with host and solidifying agent and mix.
Composition of the present invention can be used as the elastic polyurethane layer that on concrete and pitch etc. is mated formation substrate, forms, on the material of coating and/or embossed layer, perhaps also can be used as the material of these layers of on layer, constructing with the other materials construction.
Constructional method is not particularly limited, can be according to known method for paving, mat formation layer or in substrate, use the polyurethane composition commonly used that does not comprise the small hollow sphere of the organic system layer of mating formation of constructing directly constructing in the substrate, in the above the lamination urethane that the forms use polyurethane composition of the present invention layer of mating formation with polyurethane composition of the present invention.
When lamination is mated formation the situation of the layer of mating formation of two layers or more layer, use on can one deck in office by polyurethane composition of the present invention forms layer, perhaps also can be used as top coat (ト Star プ コ one ト Layer) and be coated on the surface of mating formation.
When two layers or more situation of lamination, if use polyurethane composition of the present invention at layer near the surface, just can access abundant insulation effect and effect of heat insulation, at other layers, do not use polyurethane composition of the present invention, have the base layer of preventing and polyurethane coating film layer and peel off and the expansible effect.
Promptly, elastic polyurethane layer with polyurethane composition formation of the present invention, the thermal conductivity reduction also shows good thermal insulation and heat insulating ability, can separate or cut off the heat that produces by sunlight, prevent since layer of polyurethane and base layer or other materials form layer between the expansion that causes of heat and peel off.
The inventor has proposed to comprise inorganic system or the small hollow sphere of organic system in another application acrylic acid modified coating material is coated in the resin lip-deep facing decoration method of mating formation.
In the method, if the surface of using the elastic polyurethane layer that polyurethane composition of the present invention constitutes is handled, if promptly will comprise the surface of mating formation that this acrylic acid modified coating material inorganic or organic small hollow sphere is formed by polyurethane composition of the present invention as the top coat coated materials, the effect of heat insulation of this extexine has reduced synergy with thermal conductivity by the layer of mating formation of polyurethane composition of the present invention, and mat formation heat insulation and the good elastic polyurethane of insulation effect of can constructing mated formation.
Embodiment
Below be described more specifically the present invention with embodiment, comparative example.But these do not limit the present invention.Represent weight part and weight % at part and the % described in following examples and the comparative example.
Embodiment 1-7 and comparative example 1
With the mixing following batching of cylinder, be modulated into solidifying agent A.
The composition of solidifying agent A
| ??MOCA | 15.0 part |
| ??Diol-3000 | 25.0 part |
| ??DOP | 23.5 part |
| Talcum | 16.0 part |
| Lime carbonate | 20.0 part |
| ??LL690-D | 0.5 part |
| Add up to | 100.0 part |
In mentioned component,
MOCA:3,3 '-two chloro-4,4 '-diaminodiphenyl-methane
Diol-3000: the polypropylene glycol (OH value 37.5) that the military field chemistry of Mitsui (strain) is made
DOP: dioctyl phthalate (DOP)
LL690-D: the urethane catalyzer (Pb=17%) that the synthetic society of three total machines makes.
On one side with 100 parts of gained solidifying agent A and host P306 (the military field chemistry of Mitsui (strain) manufacturing, carbamate prepolymer NCO content 2.9%) mix, mix the small hollow sphere of 0.2%, 0.4%, 0.7%, 1.0%, 1.3%, 1.7% and 2.0% organic system (the エ キ ス バ Application セ Le DE that Japanese Off イ ラ イ ト makes) on one side separately, make its curing then.Later thixotropy of the small hollow sphere of organic system and self-regulated levelling (operability) are sneaked in check.Measure thermal conductivity, proportion, the hardness (being JIS A) of cured article.
Thixotropy is used No. 4 rotors of B-8M viscometer, compares with 6RPM and 0.6RPM when 20 ℃ of liquid temperature, draws index.
Composition is coated on the plastics sheet 10 minutes levellings of observation self-regulated later on brush.
JIS A sclerometer with JIS-K-6301 is measured hardness.
According to the dull and stereotyped comparative method for measuring thermal conductivity of JIS-A-1412-1977.
The amount increase of the small hollow sphere of organic system as a result is many more, and thixotropy is just high more, and consumption is good in 0.2-2.0% scope self-regulated levelling.The amount increase of the small hollow sphere of organic system is many more, and thermal conductivity just descends more, and proportion reduces, but does not see the variation that hardness is big.The results are shown in the table 1.
Comparative example 2
Sneak into EVA or transfer infusion in 1. at the composition of table 2,2.-4. resulting composition is solidified, the thermal conductivity and the hardness of mensuration gained cured article.
1. mixed curing agent A and host p-306, and make its curing.
2. sneak into 7 parts of EVA above-mentioned in 1..
3. sneak into 14 parts of EVA above-mentioned in 1..
4. sneak into 2 parts in 1. and transfer infusions above-mentioned.
The results are shown in table 2.Compare with the result of the table 1 of the small hollow sphere that uses organic system, even sneak into 7-14 part EVA, thermal conductivity only reduces a little, and is shown in Table 1 the thermal conductivity of sneaking into small hollow sphere composition and reduces and compare, and does not see big effect difference.
Hardness does not almost have difference when the situation of the small hollow sphere that uses organic system, but when sneaking into the situation of EVA and sneak into 2 parts of hardness when transferring infusions to reduce degree big.
EVA is the ethylene-vinyl acetate powdered rubber, uses the following powder thing of φ 1.2mm or 1.2mm.Transferring infusion is aqueous silicone resin (Mitsui Chemicals assets (strain) society system; The MK additive).
Table 1
| Comparative example 1 | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Embodiment 7 | |
| The small hollow ball scale of construction of organic system (wt%) | ??0 | ??0.2 | ??0.4 | ??0.7 | ??1.0 | ??1.3 | ??1.6 | ??2.0 |
| Thermal conductivity kcal/mh ℃ | ??0.146 | ??0.137 | ??0.129 | ??0.120 | ??0.100 | ??0.090 | ??0.078 | ??0.061 |
| Proportion | ??1.193 | ??1.052 | ??0.992 | ??0.943 | ??0.879 | ??0.829 | ??0.773 | ??0.650 |
| ??64 | ??64 | ??64 | ??63 | ??63 | ??62 | ??62 | ??62 | |
| Thixotropy index rotating speed 0.6/6.0 | ??1.032 | ??1.056 | ??1.067 | ??1.071 | ??1.076 | ??1.114 | ??1.250 | ??1.250 |
| Self-regulated levelling (operability) | ??◎ | ??◎ | ??◎ | ??◎ | ??◎ | ??◎ | ??◎ | ??○ |
Table 2
| Comparative example 2 | ||||
| Composition | ????① | ????② | ????③ | ????④ |
| Thermal conductivity kcal/mh ℃ | ????0.146 | ????0.134 | ????0.138 | ????0.107 |
| Hardness JIS A | ????64 | ????48 | ????45 | ????38 |
Embodiment 8-11 and comparative example 3-4
With セ ノ ラ イ ト M-732C (the ceramic blister bead that Tomoe Engineering Co., Ltd. makes, median size 45-60, true specific gravity 0.60) replace the small hollow-particle エ キ ス バ Application セ Le DE that in embodiment 1, uses, add the modulation polyurethane composition separately with 2%, 5%, 10%, 15%, 20% and 35% amount.
Similarly to Example 1,, after applying these materials on the plastics sheet, observe and estimate with brush.
Similarly to Example 1, measure thermal conductivity (heat insulation and insulation effect), evaluation effect that must table 3.Obtain operability and heat insulation and insulation effect as table 3 evaluation result.
Table 3
| The small hollow ball scale of construction (%) | Operability | Heat insulation and insulation effect | |
| Comparative example 3 | ????2 | Horizontality is bad | ????× |
| Embodiment 8 | ????5 | ????○ | ????○ |
| Embodiment 9 | ????10 | ????◎ | ????◎ |
| Embodiment 10 | ????15 | ????◎ | ????◎ |
| Embodiment 11 | ????20 | ????◎ | ????◎ |
| Comparative example 4 | ????35 | Performance difficulty | ????- |
◎ in table 3: represent excellently, zero: expression is good, *: represent bad.
Embodiment 12-18 and comparative example 5
Constructional method according to reality enforcement, in substrate, form by elastic layer, in the constructional method of coating and three layers of layer of mating formation that constitutes of embossed layer, small hollow sphere (the ceramic blister bead that Tomoe Engineering Co., Ltd. makes of small hollow sphere of interpolation organic system as shown in table 4 (the エ キ ス バ Application セ Le DE that Japanese Off イ ラ イ ト makes) or inorganic system, セ ノ ラ イ ト M-732C, median size 45-60, true specific gravity 0.60).
With thermopair and non-contact thermometer (MTFS レ イ テ Star Network ス ジ ヤ パ Application (strain) manufacturing)) measure mat formation laminar surface temperature and the back temperature that form by following three layers respectively.
Each layer thickness of the host of using and the composition of solidifying agent and lamination is as described below.
In mixed curing agent and host, in these solution, add the small hollow sphere of organic system simultaneously.
The thickness of composition of each layer (weight part) and layer is as follows.
1. carbamate elastic layer
P-306?????????????????????????????1,500
TSR-820CM?????????????????????????1,500
EVA (particle diameter 2.0mm) 300
Small hollow sphere 60 and not adding
MK additive 0.360
——————————————————————
Add up to 3,360.36
Thickness 9.5mm
2. go up coating
P-306??????????????????????400
TSR-82M????????????????????400
Small hollow sphere 16 and not adding
Add up to 816
————————————————————
Thickness 2.5mm
3. embossed layer
P-306??????????????????????180
TSR-84S????????????????????160
エロジ-ル#380??????????????9.70
Small hollow sphere 6.80 and not adding
DMAC???????????????????????3.00
Toluene 60.00
——————————————————
Add up to 419.5
Thickness 1.0mm
In foregoing
P-306: the polyurethane prepolymer that the military field chemistry of Mitsui (strain) is made, NCO content 2.9%,
TSR-84S, 820CM and 82M: the MOCA-PPG urethane solidifying agent that the military field chemistry of Mitsui (strain) is made,
EVA (particle diameter 2.0mm): ethylene vinylacetate foams,
The MK additive: silicon is transferred infusion (Mitsui Chemicals produces money manufacturing),
エ ロ ジ-Le #380: the industry of Japanese ア エ ロ ジ Le,
DMAC: N,N-DIMETHYLACETAMIDE.
The results are shown in the table 4.
Reference example 1-4
Thermal conductivity measured value I is with explanation from the foregoing description and comparative example, and the thermal conductivity of mating formation layer with the urethane of normal temperature cured type polyurethane composition of the present invention obviously reduces good adiabatic function.
Thereby, mat formation to have solved with the present composition and mat formation layer heat absorption and put aside peeling off and expansion issues that heat causes between the layer with mating formation at stratum basale.
But the surface temperature of mating formation raises.Such surface temperature is reduced, and reduce mat formation temperature between the layer of substrate and urethane, carry out practicality and mat formation.
Thisly mat formation, the material of the acrylic acid modified coating that comprises inorganic system or the small hollow-particle of organic system that uses in the resin that the inventor is proposed in other patent applications is mated formation surperficial facing method is coated with when being contained on the surface of mating formation very effective, and can reduce mat formation temperature between the layer of mat formation surface and substrate and urethane.
This reference example is that the urethane in embodiment 12,14,16 and 17 is mated formation on the laminar surface coated with material down.
(top coat GS-A liquid divides 48.9% Gu form: great achievement E﹠amp at 25 parts of urethane resins; L (strain) society makes) in add with the amount shown in the table 1 and to mix small hollow sphere (エ Network ス バ Application セ Le DE: Japanese Off イ ラ イ ト society makes), mix 75 parts of acrylic enamel coating (top coat GS-B liquid, solid branch 51.5%: the great achievement E﹠amp that forms then; L (strain) society makes), be modulated into coating material.
With Nice brush (ニ ス バ ケ) with 0.3kg/m
2Amount on the surface that this urethane resin is mated formation, apply synthetic as mentioned above coating material, combination with decorative surfaces.
The result is shown in Table 4 together.
Table 4
| Comparative example 5 | Embodiment | Reference example | ||||||||||
| The small hollow sphere of organic system | Inorganic is small hollow sphere | |||||||||||
| ????12 | ????13 | ????14 | ????15 | ????16 | ????17 | ????18 | ????1 | ????2 | ???3 | ????4 | ||
| Top coat | ??- | ????- | ????- | ????- | ????- | ????- | ????- | ????- | ????○ | ????○ | ???○ | ????○ |
| Embossed layer | ??- | ????- | ????- | ????○ | ????○ | ????○ | ????○ | ????○ | ????- | ????○ | ???○ | ????○ |
| Last coating | ??- | ????- | ????○ | ????- | ????- | ????○ | ????○ | ????○ | ????- | ????- | ???○ | ????○ |
| The carbamate elastic layer | ??- | ????○ | ????- | ????- | ????○ | ????- | ????○ | ????○ | ????○ | ????- | ???- | ????○ |
| Surface temperature (℃) | ??66.1 | ????65.5 | ????65.3 | ????64.4 | ????65.6 | ????65.8 | ????65.2 | ????62.7 | ????62.1 | ????62.2 | ???61.5 | ????60.7 |
| Back temperature (℃) | ??55.2 | ????53.2 | ????52.6 | ????51.0 | ????50.9 | ????49.6 | ????49.0 | ????49.5 | ????49.0 | ????53.2 | ???48.5 | ????48.1 |
Notes) layer of small hollow sphere is added in zero expression,
The layer of small hollow sphere is not added in-expression.
Find out that from the result of above embodiment 12-18 mat formation in the layer if small hollow sphere is contained in urethane, insulation effect is big, back temperature is low.And the top coat as a reference example, if apply the acrylic acid modified coating that contains small hollow sphere, because effect of heat insulation reduces surface temperature, the effect of heat insulation of the insulation effect specific surface coating of layer of polyurethane further improves.
The effect of invention
Normal temperature curing type polyurethane compositions of the present invention has thixotropy, and is good with the operability of said composition, although the proportion of solidfied material reduces, compares with the situation of not adding small hollow sphere, and hardness does not almost change, can stable maintenance. Use the elasticity of urethane composition of the present invention to mat formation layer because the hot conductivity reduction of the layer of mating formation, the layer of mating formation can suppress the heat absorption of sunshine etc., so the hot conductivity of solidfied material reduces, effect of heat insulation and insulation effect are good, the substrate heat absorption, do not cause in spontaneous evaporation phenomenon and the pitch dilution phenomenon of mating formation between layer and the substrate, can solve the polyurethane problems such as peeling off of layer and expansion of mating formation.
Therefore, normal temperature curing type polyurethane compositions of the present invention is useful as outdoor sports equipments such as various building materials purposes and sports ground, tennis court, swimming pool sides.
Claims (7)
1. normal temperature cured type polyurethane composition, it is characterized in that, to make it comprise the small hollow sphere of median size 2-100 micron as the organic multiple isocyanate and the carbamate prepolymer of the isocyanate group end of the resultant of reaction of polyester polyol or polyether glycol to be the host of principal constituent when mixing with the solidifying agent that contains active hydrogen-contg compound, catalyzer and other auxiliary agents.
2. normal temperature cured type polyurethane composition according to claim 1, wherein, small hollow sphere is that vinylidene chloride, acrylic, methyl methacrylate system or phenol are the small hollow-particle of organic system of material.
3. normal temperature cured type polyurethane composition according to claim 2, wherein, the small hollow-particle of organic system is a median size 2-100 micron, the fine particle of true specific gravity 0.02-0.23.
4. normal temperature cured type polyurethane composition according to claim 3, wherein the content of the small hollow-particle of organic system in composition is 0.2-2.0 weight %.
5. normal temperature cured type polyurethane composition according to claim 1, wherein, small hollow sphere be pottery be inorganic be small hollow-particle.
6. normal temperature cured type polyurethane composition according to claim 5, wherein, inorganic is that small hollow-particle is a median size 2-100 micron, true specific gravity 0.1-1,5 fine particle.
7. normal temperature cured type polyurethane composition according to claim 6, wherein, inorganic is that the content of small hollow-particle in composition is 3-30 weight %.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102464892A (en) * | 2010-11-13 | 2012-05-23 | 烟台万华聚氨酯股份有限公司 | Composite polyurethane modifier for road asphalt |
| CN103013094A (en) * | 2012-12-19 | 2013-04-03 | 四川大学 | Injectable type fast curing medical polyurethane compound and preparation method thereof |
| CN106012734A (en) * | 2012-04-03 | 2016-10-12 | 肖恩·萨默斯·韦弗 | Polyurethane-based roadway forming |
| US9957670B2 (en) | 2012-02-20 | 2018-05-01 | Technisoil Industrial Llc | Polyurethane based roadway forming |
| CN109135568A (en) * | 2018-06-15 | 2019-01-04 | 杰心(成都)环境科技有限公司 | A kind of pitch performed polymer and preparation method thereof |
| WO2024183258A1 (en) * | 2023-03-06 | 2024-09-12 | Dow Global Technologies Llc | Multilayer structures containing low viscosity polyurethane pottant compositions |
-
2004
- 2004-03-19 CN CN 200410032612 patent/CN1670081A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102464892A (en) * | 2010-11-13 | 2012-05-23 | 烟台万华聚氨酯股份有限公司 | Composite polyurethane modifier for road asphalt |
| CN102464892B (en) * | 2010-11-13 | 2013-10-16 | 万华化学集团股份有限公司 | Composite polyurethane modifier for road asphalt |
| US9957670B2 (en) | 2012-02-20 | 2018-05-01 | Technisoil Industrial Llc | Polyurethane based roadway forming |
| CN106012734A (en) * | 2012-04-03 | 2016-10-12 | 肖恩·萨默斯·韦弗 | Polyurethane-based roadway forming |
| CN103013094A (en) * | 2012-12-19 | 2013-04-03 | 四川大学 | Injectable type fast curing medical polyurethane compound and preparation method thereof |
| CN103013094B (en) * | 2012-12-19 | 2014-11-05 | 四川大学 | Injectable type fast curing medical polyurethane compound and preparation method thereof |
| CN109135568A (en) * | 2018-06-15 | 2019-01-04 | 杰心(成都)环境科技有限公司 | A kind of pitch performed polymer and preparation method thereof |
| WO2024183258A1 (en) * | 2023-03-06 | 2024-09-12 | Dow Global Technologies Llc | Multilayer structures containing low viscosity polyurethane pottant compositions |
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