CN1352214A - Spread material for sports ground prepared from polyurethane elastomer and its preparing method - Google Patents
Spread material for sports ground prepared from polyurethane elastomer and its preparing method Download PDFInfo
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- CN1352214A CN1352214A CN 00132403 CN00132403A CN1352214A CN 1352214 A CN1352214 A CN 1352214A CN 00132403 CN00132403 CN 00132403 CN 00132403 A CN00132403 A CN 00132403A CN 1352214 A CN1352214 A CN 1352214A
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Abstract
The present invention relates to polymer material, and is especially spread material prepared from polyurethane elastomer for spot ground. Polyether dibasic alohol and chlorinated paraffin oil are mixed and the mixture is further mixed with diphenyl methane diisocyanate for reaction and vacuum pumped to prepare component A; polyether polyol, ethylenediamine polyoxyethylene ether, trihydroxmethyl propane and organic diamine without chloro substituent are mixed, reacted and vacuum pumped to prepare component B; and component A, component B, black rubber grain and metal carboxylate are mixed through stirring and polymerizing solidified to prepare the polyurethane elastomer of the present invention. Containing no irritating and harmful TDI, the present invention is favorable to construction and environmental protection.
Description
The invention belongs to polymeric material field, particularly paving material for sports field for preparing by polyurethane elastomer and preparation method thereof.
The polyurethane elastomer of the track and field runway of modern stadium and ball game place pavement material is known that earlier with tolylene diisocyanate TDI and polyether glycol and organic thinner and makes base polyurethane prepolymer for use as (being generally called the A component); Butyleneglycol, diamine MOCA (3,3 '-two chloro-, 4,4 ' diaminodiphenyl-methane) and filler (common name B component) with A component and chain extension-cross linking agent polyether glycol, dibasic alcohol mixes again, again the polyurethane elastomer made from the catalyst action polymerization.So far, each manufacturer production of China is as the prescription of the polyurethane elastomer of paving material for sports field, and all continuing to use the Chinese invention patent publication number is the disclosed TDI-MOCA system of CN 1033639A.
As " Hazardous Chemical Substances fire-fighting and first aid handbook, Chemical Industry Press, 1 edition P262 was pointed in 1996, toluene two different acid esters belong to Hazardous Chemical Substances, its steam and air can form explosive mixture, thermal degradation give off poisonous gas, and particularly skin, the eyes to the people have strong stimulation effect and allergenic effect; MOCA is a carcinogenic substance.Thus, International Track and Field Association's proposal does not use these two kinds of chemical substances to produce paving material for sports field.
The objective of the invention is to overcome because polyurethane elastomer uses the injury to human body that TDI and MOCA brought, and hidden danger, provide a kind of do not use TDI and MOCA by paving material for sports field of polyurethane elastomer preparation and preparation method thereof, be referred to as the paving material for sports field of environment-friendly type in order to manufacturing.
The object of the present invention is achieved like this:
Polyurethane elastomer is made up of elastomerics A component, B component, black rubber grain and metal carboxylates catalysts; Wherein, the OH mol ratio of the NCO mole of A component and B component is 1.05-1.25 in the polyurethane elastomer, and the content of black rubber grain is the 20-25% of A component and B component weight sum total, and metal carboxylates catalysts is 0.10-0.25%:
The composition of A component and weight percent are:
Diphenylmethanediisocyanate 25-45
Polyether Glycols 30-50
Softening agent 20-40
The composition of B component and weight percent are:
Polyether-tribasic alcohol 30-40
Polyether Glycols 20-35
1,4-butyleneglycol 0-4.0
Quadrol polyethenoxy ether 0.5-3.0
TriMethylolPropane(TMP) 0.2-4.0
Not chloride substituent organic diamine 1.5-4.0
Vegetables oil 10-16
Mineral filler 10-21
Iron oxide red (Fe
2O
3) or lemon yellow-phthalocyanine green mixture 1.5-4.0
Described metal carboxylates catalysts comprises iron naphthenate, lead naphthenate, isocaprylic acid zinc, isocaprylic acid iron or isocaprylic acid lead; Described black rubber grain can be waste rubber grain or damaged tire micelle; Described diphenylmethanediisocyanate comprises 4,4 '-diphenylmethanediisocyanate, 2,4 of 4 '-diphenylmethanediisocyanate or their mixture or carbonization diamines-uretonimine-modified, 4 '-diphenylmethanediisocyanate; Described softening agent comprises dioctyl phthalate (DOP), dibutyl phthalate, chlorinated paraffin oil or any mixture between them; Described polyether-tribasic alcohol comprises the glycerol polyethenoxy ether, and its molecular weight is 3000; Described polyether Glycols comprises propanediol polyoxypropylene ether, and its molecular weight is 400-2000; The molecular weight of quadrol polyethenoxy ether is 3000; Described vegetables oil comprises soybean oil, Viscotrol C, oxidation soybean oil or any mixture between them; Described mineral filler comprises silicon dioxide powder, talcum powder, kaolin, modified alta-mud or any mixture between them.Chlorinated paraffin oil, Viscotrol C and talcum powder are technical grades; Soybean oil is a food grade; Silicon dioxide powder is a gas-phase silica.Iron oxide red (Fe
2O
3) or lemon yellow-phthalocyanine green mixture
Method for preparing polyurethane elastic body of the present invention is by weight percentage:
1) .A component preparation: will join in the reactor based on the polyether Glycols 30-50% and the softening agent 20-40% of A component total amount, stir down at 80-100 ℃, vacuumize dehydration degassing 1-3 hour, be cooled to 40-60 ℃, add diphenylmethanediisocyanate 25-45%, 70-90 ℃ of following reaction vacuumize degassing after 2-3 hour, it is standby to be cooled to room temperature;
2) .B component preparation: will be based on the polyether-tribasic alcohol 30-40% of B component total amount, polyether Glycols 20-35%, 1,4-butyleneglycol 0-4.0, quadrol polyethenoxy ether 0.5-3.0%, TriMethylolPropane(TMP) 0.2-4.0%, not chloride substituent organic diamine 1.5-4.0%, vegetables oil 10-16% joins in the reactor and mixes, under 95-105 ℃, vacuumize dehydration degassing 1-3 hour, add mineral filler 10-21% and iron oxide red or lemon yellow-phthalocyanine green mixture 1.5-4.0% after being cooled to 40-60 ℃, mix, being warming up to 80-95 ℃ vacuumizes, dehumidification gas 1-2 hour, it is standby to be cooled to room temperature;
3). the preparation of polyurethane elastomer: the NCO mole and the OH mol ratio of B component by A component in the polyurethane elastomer are 1.05-1.25 mixing A and B component, add-on is the black rubber grain of the 20-25% of A and B component weight sum total then, mixing the back add-on is the metal carboxylates catalysts of the 0.10-0.25% of A and B component weight sum total, stir, polymerizing curable is prepared the polyurethane elastomerics that paving material for sports field is used.
Polyurethane elastomer leading indicator test of the present invention is:
1. hardness is insulted the durometer LX-A type that instrument plant produces with Shanghai six;
2. tensile strength and tension fracture elongation rate are measured with Britain Instorn 1122 section bar material trier, press
Standard GB/T14833-93 method is tested;
3. specimen preparation is by standard GB/T538-92 method.
Can find out from embodiments of the invention, polyurethane elastomer of the present invention does not use tolylene diisocyanate TDI and 3,3 '-two chloro-, 4,4 ' diaminodiphenyl-methane MOCA, its component and Chinese invention patent publication number are that CN 1033639A also makes a world of difference.The made polyurethane elastomer runway rubber salient features test result of the embodiment of the invention is listed in the table below.
The polyurethane elastomer runway rubber performance that table 1 is made respectively by three kinds of diphenylmethanediisocyanates compares
| Embodiment | Isocyanic ester | Hardness (Shao Shi A), degree | Tensile strength, MPa | Elongation at break, % | Flame retardant resistance, level |
| 1 | ?MDI-50 | ?55-58 | 1.20±0.07 | 116±8 | 1 |
| 2 | ?MDI-100 | ?52-55 | 0.96±0.03 | 117±3 | 1 |
| ?3 | Liquefied mdi | ?55-58 | 1.19±0.06 | 120±9 | 1 |
MDI-50 is 2,4 '-diphenylmethanediisocyanate; MDI-100 is 4,4 '-diphenylmethanediisocyanate; Liquefied mdi is 4 of carbonization diamines-uretonimine-modified, 4 '-diphenylmethanediisocyanate.
Table 2 is listed the track and field runway rubber of the imine modified liquefied mdi preparation of the embodiment of the invention 3 usefulness carbonizations, and through every index that national sports articles for use quality surveillance inspection center measures, GB/T 14833-93 all is up to state standards.
Therefore, the present invention has changed the prescription of conventional urethane elastic sports place with glue, production safety, owing to do not use pungency, and nocuous TDI, thereby can be not again working-yard workman's eyes not be damaged and cause allergic, and help environmental protection.
The runway rubber performance that track and field runway rubber that table 2 the present invention makes and Chinese invention patent CN1033639 are made by the TDI-MOCA system compares.
1. standard GB/T 14833-932. Chinese invention patent publication number is the report data 3. polyurethane elastomer runway rubber measurement results of the present invention of CN 1033639A, national sports articles for use quality supervision and test center.
| Requirement 1 | The TDI-MOCA system 2 | The MDI-DA system 3 | |
| Hardness (Shao Shi A), degree | 45-60 | ?48 | ?56 |
| Rebound value, % | ≥20 | ?31 | ?32 |
| The compression recovery rate, % | ≥95 | ?98 | ?99 |
| Tensile strength, Mpa | ≥0.7 | ?1.14 | ?1.15 |
| Tensile yield, % | ≥90 | ?105 | ?100 |
| Flame retardant resistance, level | 1 | ?1 | ?1 |
Below in conjunction with embodiment technical scheme of the present invention is further described.
Embodiment 1
1) .A component preparation: will be based on A component total amount, its molecular weight is 2000 propanediol polyoxypropylene ether 45%, dioctyl phthalate (DOP) 5% and chlorinated paraffin oil 20% join in the reactor, stir down at 90 ℃, vacuumize the dehydration degassing about 2 hours, be cooled to 50 ℃, add 4,4 '-diphenylmethanediisocyanate and 2, the mixture 30% of 4 '-diphenylmethanediisocyanate, 85 ℃ of following about 2 hours backs of reaction vacuumize degassing, it is standby to be cooled to room temperature;
2) .B component preparation: will be based on B component total amount, its molecular weight is that 3000 glycerol polyethenoxy ether 37%, molecular weight are that 1000 propanediol polyoxypropylene ether 26%, molecular weight are 400 propanediol polyoxypropylene ether 3%, 1,4-butyleneglycol 0.2%, quadrol polyethenoxy ether 1.0%, TriMethylolPropane(TMP) 0.3%, not chloride substituent organic diamine 1.2%, Viscotrol C 1.5% and soybean oil 12% join in the reactor and mix, vacuumizing the dehydration degassing about 1 hour under 95 ℃, add talcum powder 14%, SiO after being cooled to 45 ℃
2Powder 2.3%, iron oxide red 1.5% mixes, and be warming up to 85 ℃ and vacuumize, dehumidification gas 1-2 hour, it is standby to be cooled to room temperature;
3). the preparation of polyurethane elastomer: by the NCO mole and the OH mol ratio of B component of A component in the polyurethane elastomer is 1.10 to mix A and B component, add-on is 22% a black rubber grain of A and B component weight sum total then, mix the back add-on and be 0.12% the plumbous catalyzer of isocaprylic acid of A and B component weight sum total, stir, polymerizing curable is prepared the polyurethane elastomerics that paving material for sports field is used.
Embodiment 2.
1) .A component preparation: will be based on A component total amount, its molecular weight is 2000 propanediol polyoxypropylene ether 43%, dibutyl phthalate 10% and chlorinated paraffin oil 14% join in the reactor, stir down at 90 ℃, vacuumize the dehydration degassing about 2 hours, be cooled to 50 ℃, add 4,4 '-diphenylmethanediisocyanate 33%, 85 ℃ of following about 2 hours backs of reaction vacuumize degassing, it is standby to be cooled to room temperature;
2) .B component preparation: will be based on B component total amount, its molecular weight is that 3000 glycerol polyethenoxy ether 36%, molecular weight are that 1000 propanediol polyoxypropylene ether 25%, molecular weight are 400 propanediol polyoxypropylene ether 3.0%, 1,4-butyleneglycol 0.5%, quadrol polyethenoxy ether 1.2%, TriMethylolPropane(TMP) 0.3%, not chloride substituent organic diamine 1.5%, Viscotrol C 1.5% and soybean oil 12% join in the reactor and mix, after vacuumizing the dehydration degassing about 1 hour under 95 ℃, being cooled to 45 ℃, add talcum powder 15%, SiO
2Powder 2.0%, iron oxide red 2.0% mix, and be warming up to 85 ℃ and vacuumize, dehumidification gas 1-2 hour, it is standby to be cooled to room temperature;
3). the preparation of polyurethane elastomer: by the NCO mole and the OH mol ratio of B component of A component in the polyurethane elastomer is 1.1 to mix A and B component, add-on is 20% a black rubber grain of A and B component weight sum total then, mix the back add-on and be 0.15% the plumbous catalyzer of isocaprylic acid of A and B component weight sum total, stir, polymerizing curable is prepared the polyurethane elastomerics that paving material for sports field is used.
Embodiment 3.
1) .A component preparation: will be based on A component total amount, its molecular weight is 2000 propanediol polyoxypropylene ether 40%, join in the reactor with chlorinated paraffin oil 25%, stir down at 90 ℃, vacuumize the dehydration degassing about 1.5 hours, be cooled to 50 ℃, add 4 of carbonization diamines-uretonimine-modified, 4 '-diphenylmethanediisocyanate 35%, 85 ℃ of following about 2 hours backs of reaction vacuumize degassing, it is standby to be cooled to room temperature;
2) .B component preparation: will be based on B component total amount, its molecular weight is that 3000 glycerol polyethenoxy ether 35%, molecular weight are that 1000 propanediol polyoxypropylene ether 26%, molecular weight are that 400 propanediol polyoxypropylene ether 3.2%, quadrol polyethenoxy ether 1.5%, TriMethylolPropane(TMP) 0.7%, not chloride substituent organic diamine 1.3%, Viscotrol C 1.0% and soybean oil 11% join in the reactor and mix, after vacuumizing the dehydration degassing about 1 hour under 95 ℃, being cooled to 45 ℃, add modified alta-mud 4%, talcum powder 12.5%, SiO
2Powder 1.6%, lemon yellow-phthalocyanine green mixture 2.2% mixes, and be warming up to 85 ℃ and vacuumize, dehumidification gas 1-2 hour, it is standby to be cooled to room temperature;
3). the preparation of polyurethane elastomer: by the NCO mole and the OH mol ratio of B component of A component in the polyurethane elastomer is 1.20 to mix A and B component, add-on is 25% a black rubber grain of A and B component weight sum total then, mix the back add-on and be 0.15% the plumbous catalyzer of isocaprylic acid of A and B component weight sum total, stir, polymerizing curable is prepared the polyurethane elastomerics that paving material for sports field is used.
Claims (12)
1. paving material for sports field by polyurethane elastomer preparation, it is characterized in that: polyurethane elastomer is made up of elastomerics A component, B component, black rubber grain and metal carboxylates catalysts; Wherein, the OH mol ratio of the NCO mole of A component and B component is 1.05-1.25 in the polyurethane elastomer, and the content of black rubber grain is the 20-25% of A component and B component weight sum total, and metal carboxylates catalysts is 0.10-0.25%;
The composition of A component and weight percent are:
Diphenylmethanediisocyanate 25-45%
Polyether Glycols 30-50%
Softening agent 20-40%
The composition of B component and weight percent are:
Polyether-tribasic alcohol 30-40%
Polyether Glycols 20-35%
1,4-butyleneglycol 0-4.0
Quadrol polyethenoxy ether 0.5-3.0%
TriMethylolPropane(TMP) 0.2-4.0%
Not chloride substituent organic diamine 1.5-4.0%
Vegetables oil 10-16%
Mineral filler 10-20%
Iron oxide red or lemon yellow-phthalocyanine green mixture 1.5-4.0%.
2. the paving material for sports field by the polyurethane elastomer preparation according to claim 1, it is characterized in that: described metal carboxylates catalysts is iron naphthenate, lead naphthenate, isocaprylic acid zinc, isocaprylic acid iron or isocaprylic acid lead.
3. the paving material for sports field by the polyurethane elastomer preparation according to claim 1, it is characterized in that: described diphenylmethanediisocyanate is 4,4 '-diphenylmethanediisocyanate, 2,4 of 4 '-diphenylmethanediisocyanate or their mixture or carbonization diamines-uretonimine-modified, 4 '-diphenylmethanediisocyanate.
4. the paving material for sports field by the polyurethane elastomer preparation according to claim 1, it is characterized in that: described polyether Glycols is a propanediol polyoxypropylene ether.
5. the paving material for sports field by the polyurethane elastomer preparation according to claim 1 is characterized in that: described softening agent is dioctyl phthalate (DOP), dibutyl phthalate, chlorinated paraffin oil or any mixture between them.
6. the paving material for sports field by the polyurethane elastomer preparation according to claim 1, it is characterized in that: described polyether-tribasic alcohol is the glycerol polyethenoxy ether.
7. according to the preparation method of the described paving material for sports field by polyurethane elastomer preparation of claim 1-6, it is characterized in that, be by weight percentage:
1) .A component preparation: will join in the reactor based on the polyether Glycols 30-50% and the softening agent 20-40% of A component total amount, stir down at 80-100 ℃, vacuumize dehydration degassing 1-3 hour, be cooled to 40-60 ℃, add diphenylmethanediisocyanate 25-45%, 70-90 ℃ of following reaction vacuumize degassing after 2-3 hour, it is standby to be cooled to room temperature;
2) .B component preparation: will be based on the polyether-tribasic alcohol 30-40% of B component total amount, polyether Glycols 20-35%, 1,4-butyleneglycol 0-4.0, quadrol polyethenoxy ether 0.5-3.0%, TriMethylolPropane(TMP) 0.2-4.0%, not chloride substituent organic diamine 1.5-4.0%, vegetables oil 10-16% joins in the reactor and mixes, under 95-105 ℃, vacuumize dehydration degassing 1-3 hour, add mineral filler 10-21% and iron oxide red or lemon yellow-phthalocyanine green mixture 1.5-4.0% after being cooled to 40-60 ℃, mix, being warming up to 80-95 ℃ vacuumizes, dehumidification gas 1-2 hour, it is standby to be cooled to room temperature;
3). the preparation of polyurethane elastomer: the NCO mole and the OH mol ratio of B component by A component in the polyurethane elastomer are 1.05-1.25 mixing A and B component, add-on is the black rubber grain of the 20-25% of A and B component weight sum total then, mixing the back add-on is the metal carboxylates catalysts of the 0.10-0.25% of A and B component weight sum total, stir, polymerizing curable is prepared the polyurethane elastomerics that paving material for sports field is used.
8. the preparation method of the paving material for sports field by polyurethane elastomer preparation according to claim 7, it is characterized in that: described metal carboxylates catalysts is iron naphthenate, lead naphthenate, isocaprylic acid zinc, isocaprylic acid iron or isocaprylic acid lead.
9. the preparation method of the paving material for sports field by polyurethane elastomer preparation according to claim 7, it is characterized in that: described softening agent is dioctyl phthalate (DOP), dibutyl phthalate, chlorinated paraffin oil or any mixture between them.
10. the preparation method of the paving material for sports field by polyurethane elastomer preparation according to claim 7, it is characterized in that: described diphenylmethanediisocyanate is 4,4 '-diphenylmethanediisocyanate, 2,4 of 4 '-diphenylmethanediisocyanate or their mixture or carbonization diamines-uretonimine-modified, 4 '-diphenylmethanediisocyanate.
11. the preparation method of the paving material for sports field by polyurethane elastomer preparation according to claim 7, it is characterized in that: described polyether-tribasic alcohol is the glycerol polyethenoxy ether.
12. the preparation method of the paving material for sports field by polyurethane elastomer preparation according to claim 7, it is characterized in that: described polyether Glycols is a propanediol polyoxypropylene ether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00132403 CN1118517C (en) | 2000-11-15 | 2000-11-15 | Spread material for sports ground prepared from polyurethane elastomer and its preparing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00132403 CN1118517C (en) | 2000-11-15 | 2000-11-15 | Spread material for sports ground prepared from polyurethane elastomer and its preparing method |
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| Publication Number | Publication Date |
|---|---|
| CN1352214A true CN1352214A (en) | 2002-06-05 |
| CN1118517C CN1118517C (en) | 2003-08-20 |
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| CN 00132403 Expired - Fee Related CN1118517C (en) | 2000-11-15 | 2000-11-15 | Spread material for sports ground prepared from polyurethane elastomer and its preparing method |
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|---|---|---|---|---|
| CN100443544C (en) * | 2003-05-29 | 2008-12-17 | 上海康达化工有限公司 | Environmental protection weeping plastic track |
| CN101481498B (en) * | 2009-02-05 | 2011-04-20 | 上海世鹏聚氨酯科技发展有限公司 | High elasticity polyurethane sport skateboard composite material |
| CN101353409B (en) * | 2008-08-08 | 2011-08-10 | 山东东大一诺威聚氨酯有限公司 | Urethane elastomer combined material for automobile foot pad and preparation thereof |
| CN102391455A (en) * | 2011-10-08 | 2012-03-28 | 广州柏胜化工有限公司 | Double-component organic silicon polyurethane elastomer and preparation method thereof |
| CN104830051A (en) * | 2015-05-18 | 2015-08-12 | 吴江市宏宇机械有限公司 | Novel polyurethane elastomer for mold resins and preparation method thereof |
| CN105040551A (en) * | 2015-07-03 | 2015-11-11 | 蔡晓明 | Laying method of automatic texture formation particle-free environmentally-friendly plastic track |
| CN105199455A (en) * | 2015-10-13 | 2015-12-30 | 山东省科学院新材料研究所 | Universal type jet printing paint for eco-solvent ink printing and preparation method of universal type jet printing paint |
| CN106189793A (en) * | 2016-07-11 | 2016-12-07 | 新昌县绿泰塑胶有限公司 | A kind of flame-retardant polyurethane plastic cement race track material and construction method thereof |
| CN106349456A (en) * | 2016-08-31 | 2017-01-25 | 湖南盛亚体育实业有限公司 | Environment-friendly plastic runway material and preparation method thereof |
| CN106977907A (en) * | 2017-05-03 | 2017-07-25 | 湖北博天体育设施有限公司 | It is a kind of for aqueous polyurethane synthetic material of plastic cement race track and preparation method thereof |
| CN109400845A (en) * | 2018-10-25 | 2019-03-01 | 江门市长河化工实业集团有限公司 | A kind of solvent-free dual-component polyurethane track material and preparation method thereof |
| CN111057205A (en) * | 2019-12-30 | 2020-04-24 | 太原科技大学 | Hyperbranched polyurethane elastomer material, preparation method and application thereof |
| CN111171274A (en) * | 2020-03-30 | 2020-05-19 | 惠州市腾威新材料有限公司 | Method for manufacturing double-component polyurethane runway elastic material |
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2000
- 2000-11-15 CN CN 00132403 patent/CN1118517C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443544C (en) * | 2003-05-29 | 2008-12-17 | 上海康达化工有限公司 | Environmental protection weeping plastic track |
| CN101353409B (en) * | 2008-08-08 | 2011-08-10 | 山东东大一诺威聚氨酯有限公司 | Urethane elastomer combined material for automobile foot pad and preparation thereof |
| CN101481498B (en) * | 2009-02-05 | 2011-04-20 | 上海世鹏聚氨酯科技发展有限公司 | High elasticity polyurethane sport skateboard composite material |
| CN102391455A (en) * | 2011-10-08 | 2012-03-28 | 广州柏胜化工有限公司 | Double-component organic silicon polyurethane elastomer and preparation method thereof |
| CN104830051A (en) * | 2015-05-18 | 2015-08-12 | 吴江市宏宇机械有限公司 | Novel polyurethane elastomer for mold resins and preparation method thereof |
| CN105040551A (en) * | 2015-07-03 | 2015-11-11 | 蔡晓明 | Laying method of automatic texture formation particle-free environmentally-friendly plastic track |
| CN105040551B (en) * | 2015-07-03 | 2017-06-06 | 蔡晓明 | From knot laying method of the line without particle environment-friendly type plastic rubber runway |
| CN105199455B (en) * | 2015-10-13 | 2017-06-27 | 山东省科学院新材料研究所 | A kind of Weak solvent ink printed universal air brushing coating and preparation method thereof |
| CN105199455A (en) * | 2015-10-13 | 2015-12-30 | 山东省科学院新材料研究所 | Universal type jet printing paint for eco-solvent ink printing and preparation method of universal type jet printing paint |
| CN106189793A (en) * | 2016-07-11 | 2016-12-07 | 新昌县绿泰塑胶有限公司 | A kind of flame-retardant polyurethane plastic cement race track material and construction method thereof |
| CN106349456A (en) * | 2016-08-31 | 2017-01-25 | 湖南盛亚体育实业有限公司 | Environment-friendly plastic runway material and preparation method thereof |
| CN106977907A (en) * | 2017-05-03 | 2017-07-25 | 湖北博天体育设施有限公司 | It is a kind of for aqueous polyurethane synthetic material of plastic cement race track and preparation method thereof |
| CN109400845A (en) * | 2018-10-25 | 2019-03-01 | 江门市长河化工实业集团有限公司 | A kind of solvent-free dual-component polyurethane track material and preparation method thereof |
| CN111057205A (en) * | 2019-12-30 | 2020-04-24 | 太原科技大学 | Hyperbranched polyurethane elastomer material, preparation method and application thereof |
| CN111057205B (en) * | 2019-12-30 | 2020-10-30 | 太原科技大学 | Hyperbranched polyurethane elastomer material, preparation method and application thereof |
| CN111171274A (en) * | 2020-03-30 | 2020-05-19 | 惠州市腾威新材料有限公司 | Method for manufacturing double-component polyurethane runway elastic material |
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| CN1118517C (en) | 2003-08-20 |
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