CN102766325A - Polyurethane composite material and preparation method thereof - Google Patents
Polyurethane composite material and preparation method thereof Download PDFInfo
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- CN102766325A CN102766325A CN2012102361537A CN201210236153A CN102766325A CN 102766325 A CN102766325 A CN 102766325A CN 2012102361537 A CN2012102361537 A CN 2012102361537A CN 201210236153 A CN201210236153 A CN 201210236153A CN 102766325 A CN102766325 A CN 102766325A
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Abstract
The invention relates to a polyurethane composite material and a preparation method thereof and belongs to the field of macromolecular materials. The polyurethane composite material consists of the following components: 40 to 48 percent of polyurethane, 3 to 8 percent of flame retardant, 45 to 54 percent of filler, 0.5 to 1 percent of heat stabilizer, 1 to 2 percent of curing agent, 0.05 to 0.5 percent of light screener and 0.5 to 1.5 percent of lubricating agent. The preparation method comprises the following steps: uniformly mixing each formula; and preparing the finished product by a forming process to obtain the polyurethane composite material. The polyurethane composite material prepared according to the method has excellent properties such as high safety, high weather resistance, low cost, high flame retardance, low water absorption, heat-preserving property, no toxicity and the like, and is widely applied to the fields of light-emitting diode (LED) lamp shells and other heat-preserving materials.
Description
Technical field
The present invention relates to polymeric material field, especially relate to a kind of polyurethane(s) matrix material and preparation method thereof.
Background technology
Nervous along with global energy, energy-saving and emission-reduction are paid attention to by national governments day by day, to a kind of demand of substitute energy become more and more urgent.In recent years, the LED lighting engineering constantly develops, and the demand of LED lampshade constantly promotes, and has promoted the development in LED lampshade market, and performance demands is also improved constantly.But existing general on the market LED lamp outer casing adopts aluminium, stainless steel and other metal materials, and metallic substance has the cost costliness, is prone to get rusty, and does not hinder heat, weak points such as cost recovery height.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide that a kind of security is good, with low cost, high flame retardant, water-intake rate are low, good weatherability, insulation and nontoxic polyurethane(s) matrix material, it is widely used in the LED lamp outer casing.
For solving the problems of the technologies described above, the technical scheme that the present invention taked is:
A kind of polyurethane(s) matrix material is characterized in that, is made up of following weight percentage:
Further, said polyurethane(s) is the solvent borne polyurethane(s) of thermoset engineering plastics.
Further, said fire retardant is that one or both are composite in organic fire-retardant and the inorganic combustion inhibitor; Said organic fire-retardant is SULPHOSUCCINIC ACID ESTER, it is composite to contain in halophosphate and the Organohalogen compounds one or both, and said inorganic combustion inhibitor is that in Antimony Trioxide: 99.5Min, white lake, hydrated aluminum oxide and other metallic compound one or both are composite.
Further, said weighting agent is that in inorganic filler and the organic filler one or both are composite.
Further, said inorganic filler is that in metal powder, MOX, siliceous, silicate, carbonate, carbonaceous, the useless ash material of various slag and factory one or both are composite; Said siliceous WHITE CARBON BLACK, silica sand and the zeyssatite of comprising, said silicate comprises mica, talcum, potter's clay, asbestos, spun glass and glass microballon, said carbonate comprises light calcium carbonate, water-ground limestone and Wingdale;
Further, said organic filler is that in fibrous material, synthon, the anisotropic sheet material of different shape, the anisotropic fibrous material of different shape and the short fiber material one or both are composite; Said fibrous material comprises the silk of wood powder, shell powder, velveteen, jute, flax and animality, and said synthon comprise Zantrel, vinylon, nylon, FM and thomel.
Further, said thermo-stabilizer is that one or both are composite in lead salts, metallic soap class, organic tin, organic epoxy compounds, organo-antimony compound and the rare-earth stabilizer;
Further, said lead salts is mineral acid and organic acid lead salt and the base lead salt that has an alkali; Said metallic soap class is the divalent metal salt of lipid acid, and said lipid acid comprises LAURIC ACID 99 MIN, Triple Pressed Stearic Acid; Said organic tin is the pink salt with saturated or unsaturated organic acid, mercaptan or the thiosulfates of two alkyl, and general formula is RaSnY4-a, a=2 wherein, and Y is with oxygen or sulphur atom and tin atom bonded organic group; It is said that epoxy compounds is arranged is epoxidized oil.
Further, said solidifying agent is for composite with in amine, anhydrides, amides, imidazoles and the boron trifluoride complex one or both; Said amine comprises in Diethylenetriaminee (DETA), triethylenetetramine, DIMAPA, hexamethylenetetramine and the mphenylenediamine; Said anhydrides comprises Tetra hydro Phthalic anhydride, MALEIC ANHYDRIDE and pyromellitic acid dianhydride; Said amides comprises Versamid, and said imidazoles comprises 2-Methylimidazole, 2-ethyl-4-methylimidazole and 2-phenylimidazole.
Further, said photomask agent is that in carbon black, zinc oxide, white titanium pigment, the lithopone pigment class filler one or both are composite; Said lubricant is that in Triple Pressed Stearic Acid, Metallic stearates class and the metallic soap of stearic acid class one or both are composite.
The preparation method of above-mentioned polyurethane(s) matrix material is characterized in that, comprises the steps:
The first step: with electronic scale by weight percentage ratio take by weighing various starting material;
Second step: the polyurethane(s) in will filling a prescription, inorganic combustion inhibitor, weighting agent high-speed stirring in stirrer was mixed 5-10 minute, dosed thermo-stabilizer after waiting to stir again successively, photomask agent, and lubricant behind the solidifying agent, continued to mix 2-4 minute;
The 3rd step: the mixing liquid that obtains in the step 2 is taken out, make finished product through moulding process.
Further, moulding process described in the step 3 comprises pouring forming technology, technology laminated into type and extruding shaping technique.
Compared with prior art, the present invention has following beneficial effect: the present invention is a body material with polyurethane(s) (PU) matrix material, adds prescriptions such as inorganic combustion inhibitor, lime powder and talcum powder simultaneously and is made into the LED lamp outer casing.The LED shell of made has following advantage:
1, safe, with low cost, water-intake rate is low, and insulation is nontoxic;
2, flame retardant effect reaches the UL94-V0 level fully, and when fire takes place, does not produce deleterious prussic acid gas;
3, dose inorganic combustion inhibitor at body material, thermo-stabilizer, weighting agent, behind the inorganic salt, the LED lamp housing of made is in intensity, and ductility is heat insulation, waterproof, shockproof all have a good effect, and molten point reaches more than 1000 ℃, very strong heat-insulating property;
4, good weatherability has increased the range of application of LED shell, also can be applicable to building thermal insulation material, furniture material, finishing material, electrical lighting material, expressway flooring and sealing material etc.
Embodiment
Instance of the present invention is can not limit the present invention to explanation of the present invention, in implication suitable with the present invention and any change and the adjustment in the scope, all should think within the scope of the invention.
Below in conjunction with embodiment the present invention is further specified.
Embodiment 1, preparation polyurethane(s) comprise following raw materials according:
The preferred aqueous polyurethane of PU resin in the prescription, aqueous polyurethane (PU) can be selected the 80UD of BAYER company for use, the D-16 of BASF AG, the outer oil-in-water type aqueous polyurethane (PU) of the W2901H of WITTCOL company or anionic.The preferred white lake of this embodiment inorganic combustion inhibitor, the preferred lime powder of weighting agent, the preferred lead sulfate tribasic of thermo-stabilizer, the preferred white titanium pigment of said photomask agent, the preferred calcium stearate of lubricant, the preferred 2-ethyl-4-methylimidazole of solidifying agent.
Concrete preparation method is following:
The first step: with electronic scale by weight percentage ratio take by weighing various starting material;
Second step: 41 parts of polyurethane(s) in will filling a prescription; 4 parts of white lakes, 52.45 parts of lime powders high-speed stirring in stirrer was mixed 5-10 minute, added 0.55 part of lead sulfate tribasic after waiting to stir again successively; 0.1 part white titanium pigment; 0.7 part calcium stearate behind 1.2 parts of 2-ethyl-4-methylimidazoles, continued to mix 2-4 minute;
The reaction equation of this reaction is:
-NH-CO-NH-[CH
2]n-NH-CO-NH-+Mg(OH)
2+2CaCO
3===HO-NH-CO-NH-[CH
2]n-NH-CO-NH-OH+MgCO
3+CaCO
3；
The 3rd step: the mixing liquid that obtains in the said step 2 is taken out, be poured in the epoxy resin mould type die, under room temperature environment, with manual work or the said epoxy resin mould 20-30 of machine vibration minute;
The 4th step: open the epoxy resin mould type die, remove the complete goods of curing molding in the mould.
Said step 3 moulding process comprises pouring forming technology, technology laminated into type and extruding shaping technique.
Said pouring technology is formula rate weighing and mixing, is poured into mould then, by the Recipe requirement, adopts room temperature or hot setting moulding, also can adopt vibrating casting technology.
Said laminating technology is spun glass (cloth) or thomel (cloth) enhanced epoxy resin mould, when solidifying without pressure, at change fiber reinforced material and being coated with layer by layer with mixture of epoxy resins of model nexine, is called contact technology one on top of another; As carrying out adding to depress, can increase content of glass fiber during curing, claim the pressure level compression technology.
Said extruding shaping technique is the mixture of short glass fiber enhancing and resin, can be in-molded at easy metal, and extrusion molding.The preferred pouring technology of this embodiment moulding process, it is simple, and production technique is few, the machinery and equipment less investment.
Embodiment 2, preparation polyurethane(s) comprise following raw materials according:
Concrete preparation method is following:
The first step: with electronic scale by weight percentage ratio take by weighing various starting material;
Second step: 42 parts of polyurethane(s) in will filling a prescription; 4.5 part white lake, 50.5 parts of lime powders high-speed stirring in stirrer was mixed 5-10 minute, added 0.6 part of lead sulfate tribasic after waiting to stir again successively; 0.2 part white titanium pigment; 0.8 part calcium stearate behind 1.4 parts of 2-ethyl-4-methylimidazoles, continued to mix 2-4 minute;
The 3rd step: the mixing liquid that obtains in the said step 2 is taken out, be poured in the epoxy resin mould type die, under room temperature environment, with manual work or the said epoxy resin mould 20-30 of machine vibration minute;
The 4th step: open the epoxy resin mould type die, remove the complete goods of curing molding in the mould.
Embodiment 3, preparation polyurethane(s) comprise following raw materials according:
Concrete preparation method is following:
The first step: with electronic scale by weight percentage ratio take by weighing various starting material;
Second step: 43 parts of polyurethane(s) in will filling a prescription; 5 parts of white lakes, 48.55 parts of lime powders high-speed stirring in stirrer was mixed 5-10 minute, added 0.65 part of lead sulfate tribasic after waiting to stir again successively; 0.3 part white titanium pigment; 0.9 part calcium stearate behind 1.6 parts of 2-ethyl-4-methylimidazoles, continued to mix 2-4 minute;
The 3rd step: the mixing liquid that obtains in the said step 2 is taken out, be poured in the epoxy resin mould type die, under room temperature environment, with manual work or the said epoxy resin mould 20-30 of machine vibration minute;
The 4th step: open the epoxy resin mould type die, remove the complete goods of curing molding in the mould.
Embodiment 4, preparation polyurethane(s) comprise following raw materials according:
Concrete preparation method is following:
The first step: with electronic scale by weight percentage ratio take by weighing various starting material;
Second step: 44 parts of polyurethane(s) in will filling a prescription; 5.5 part white lake, 46.6 parts of lime powders high-speed stirring in stirrer was mixed 5-10 minute, added 0.7 part of lead sulfate tribasic after waiting to stir again successively; 0.4 part white titanium pigment; 1.0 part calcium stearate behind 1.8 parts of 2-ethyl-4-methylimidazoles, continued to mix 2-4 minute;
The 3rd step: the mixing liquid that obtains in the said step 2 is taken out, be poured in the epoxy resin mould type die, under room temperature environment, with manual work or the said epoxy resin mould 20-30 of machine vibration minute;
The 4th step: open the epoxy resin mould type die, remove the complete goods of curing molding in the mould.
Embodiment 5, preparation polyurethane(s) comprise following raw materials according:
Concrete preparation method is following:
The first step: with electronic scale by weight percentage ratio take by weighing various starting material;
Second step: 45 parts of polyurethane(s) in will filling a prescription; 6 parts of white lakes, 44.6 parts of lime powders high-speed stirring in stirrer was mixed 5-10 minute, added 0.8 part of lead sulfate tribasic after waiting to stir again successively; 0.5 part white titanium pigment; 1.1 part calcium stearate behind 2.0 parts of 2-ethyl-4-methylimidazoles, continued to mix 2-4 minute;
The 3rd step: the mixing liquid that obtains in the said step 2 is taken out, be poured in the epoxy resin mould type die, under room temperature environment, with manual work or the said epoxy resin mould 20-30 of machine vibration minute;
The 4th step: open the epoxy resin mould type die, remove the complete goods of curing molding in the mould.
Table 1 is the formula table of embodiment 1-embodiment 5, and table 2 is the test result and the testing standard of embodiment 1-embodiment 5 performances.
Table 1
| Recipe ingredient | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Polyurethane(s) (PU) | 41% | 42% | 43% | 44% | 45% |
| White lake | 4% | 4.5% | 5% | 5.5% | 6% |
| Lime powder | 52.45% | 50.5% | 48.55% | 46.6% | 44.6% |
| Lead sulfate tribasic | 0.55% | 0.6% | 0.65% | 0.7% | 0.8% |
| White titanium pigment | 0.1% | 0.2% | 0.3% | 0.4% | 0.5% |
| Calcium stearate | 0.7% | 0.8% | 0.9% | 1.0% | 1.1% |
| 2-ethyl-4-methylimidazole | 1.2% | 1.4% | 1.6% | 1.8% | 2.0% |
Table 2
Table 1-table 2 has provided the prescription of embodiment, the test result and the testing standard of performance; Can find out from The performance test results; Polyurethane(s) matrix material of the present invention has the excellent properties of high flame retardant, resistance to fatigue, weathering resistance and insulation, can satisfy the safe handling of LED light fixture under the severe rugged environment condition.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a polyurethane(s) matrix material is characterized in that, by weight percentage, is made up of following component:
2. polyurethane(s) matrix material according to claim 1 is characterized in that, said polyurethane(s) is the solvent borne polyurethane(s) of thermoset engineering plastics.
3. polyurethane(s) matrix material according to claim 1 is characterized in that, said fire retardant is that one or both are composite in organic fire-retardant and the inorganic combustion inhibitor; Said organic fire-retardant is SULPHOSUCCINIC ACID ESTER, it is composite to contain in halophosphate and the Organohalogen compounds one or both, and said inorganic combustion inhibitor is that in Antimony Trioxide: 99.5Min, white lake, hydrated aluminum oxide and other metallic compound one or both are composite.
4. polyurethane(s) matrix material according to claim 1 is characterized in that, said weighting agent is that in inorganic filler and the organic filler one or both are composite;
Said inorganic filler is that in metal powder, MOX, siliceous, silicate, carbonate, carbonaceous, the useless ash material of various slag and factory one or both are composite; Said siliceous WHITE CARBON BLACK, silica sand and the zeyssatite of comprising, said silicate comprises mica, talcum, potter's clay, asbestos, spun glass and glass microballon, said carbonate comprises light calcium carbonate, water-ground limestone and Wingdale;
Said organic filler is that in fibrous material, synthon, the anisotropic sheet material of different shape, the anisotropic fibrous material of different shape and the short fiber material one or both are composite; Said fibrous material comprises the silk of wood powder, shell powder, velveteen, jute, flax and animality, and said synthon comprise Zantrel, vinylon, nylon, FM and thomel.
5. polyurethane(s) matrix material according to claim 1 is characterized in that, said thermo-stabilizer is that one or both are composite in lead salts, metallic soap class, organic tin, organic epoxy compounds, organo-antimony compound and the rare-earth stabilizer;
Said lead salts is mineral acid and organic acid lead salt and the base lead salt that has alkali; Said metallic soap class is the divalent metal salt of lipid acid, and said lipid acid comprises LAURIC ACID 99 MIN, Triple Pressed Stearic Acid; Said organic tin is the pink salt with saturated or unsaturated organic acid, mercaptan or the thiosulfates of two alkyl, and general formula is RaSnY
4-a, a=2 wherein, Y is with oxygen or sulphur atom and tin atom bonded organic group; It is said that epoxy compounds is arranged is epoxidized oil.
6. polyurethane(s) matrix material according to claim 1 is characterized in that, solidifying agent can use in amine, anhydrides, amides, imidazoles and the boron trifluoride complex one or both composite; Said amine comprises in Diethylenetriaminee (DETA), triethylenetetramine, DIMAPA, hexamethylenetetramine and the mphenylenediamine; Said anhydrides comprises Tetra hydro Phthalic anhydride, MALEIC ANHYDRIDE and pyromellitic acid dianhydride; Said amides comprises Versamid, and said imidazoles comprises 2-Methylimidazole, 2-ethyl-4-methylimidazole and 2-phenylimidazole.
7. polyurethane(s) matrix material according to claim 1 is characterized in that, said photomask agent is that in carbon black, zinc oxide, white titanium pigment, the lithopone pigment class filler one or both are composite.
8. polyurethane(s) matrix material according to claim 1 is characterized in that, said lubricant is that in Triple Pressed Stearic Acid, Metallic stearates class and the metallic soap of stearic acid class one or both are composite.
9. a method for preparing the arbitrary described polyurethane(s) matrix material of claim 1-8 is characterized in that, comprises the steps:
The first step: with electronic scale by weight percentage ratio take by weighing various starting material;
Second step: the polyurethane(s) in will filling a prescription, inorganic combustion inhibitor, weighting agent high-speed stirring in stirrer was mixed 5-10 minute, dosed thermo-stabilizer after waiting to stir again successively, photomask agent, and lubricant behind the solidifying agent, continued to mix 2-4 minute;
The 3rd step: the mixing liquid that obtains in the step 2 is taken out, make finished product through moulding process.
10. the preparation method of polyurethane(s) matrix material according to claim 9 is characterized in that, moulding process described in the step 3 comprises pouring forming technology, technology laminated into type and extruding shaping technique.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104761881A (en) * | 2015-03-19 | 2015-07-08 | 苏州市景荣科技有限公司 | Environmentally-friendly flame retardant polyurethane sole material and preparation method thereof |
| CN109401280A (en) * | 2018-10-10 | 2019-03-01 | 苏州市雄林新材料科技有限公司 | A kind of TPU colorful film and preparation method thereof |
| CN109880578A (en) * | 2019-02-28 | 2019-06-14 | 上海富铭密封材料有限公司 | A kind of two-component soft thermal polyurethane casting glue and preparation method thereof |
| CN114716823A (en) * | 2022-04-26 | 2022-07-08 | 金旸（厦门）新材料科技有限公司 | Flame-retardant reinforced bio-based long carbon chain nylon material and preparation method thereof |
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| CN101177525A (en) * | 2006-11-08 | 2008-05-14 | 上海昊海化工有限公司 | Fibre-reinforced polyurethane modified polyisocyanurate composite material and preparation method thereof |
| CN101891949A (en) * | 2010-08-09 | 2010-11-24 | 常州天晟新材料股份有限公司 | Halogen free flame retardant liquid and method for preparing flame retardant sponge using same |
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2012
- 2012-07-07 CN CN2012102361537A patent/CN102766325A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101177525A (en) * | 2006-11-08 | 2008-05-14 | 上海昊海化工有限公司 | Fibre-reinforced polyurethane modified polyisocyanurate composite material and preparation method thereof |
| CN101891949A (en) * | 2010-08-09 | 2010-11-24 | 常州天晟新材料股份有限公司 | Halogen free flame retardant liquid and method for preparing flame retardant sponge using same |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104761881A (en) * | 2015-03-19 | 2015-07-08 | 苏州市景荣科技有限公司 | Environmentally-friendly flame retardant polyurethane sole material and preparation method thereof |
| CN109401280A (en) * | 2018-10-10 | 2019-03-01 | 苏州市雄林新材料科技有限公司 | A kind of TPU colorful film and preparation method thereof |
| CN109880578A (en) * | 2019-02-28 | 2019-06-14 | 上海富铭密封材料有限公司 | A kind of two-component soft thermal polyurethane casting glue and preparation method thereof |
| CN114716823A (en) * | 2022-04-26 | 2022-07-08 | 金旸（厦门）新材料科技有限公司 | Flame-retardant reinforced bio-based long carbon chain nylon material and preparation method thereof |
| CN114716823B (en) * | 2022-04-26 | 2023-01-06 | 金旸（厦门）新材料科技有限公司 | Flame-retardant reinforced bio-based long carbon chain nylon material and preparation method thereof |
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Application publication date: 20121107 |