CN101838458A - Method for manufacturing polyurethane microporous automotive buffer block - Google Patents
Method for manufacturing polyurethane microporous automotive buffer block Download PDFInfo
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- CN101838458A CN101838458A CN 201010140725 CN201010140725A CN101838458A CN 101838458 A CN101838458 A CN 101838458A CN 201010140725 CN201010140725 CN 201010140725 CN 201010140725 A CN201010140725 A CN 201010140725A CN 101838458 A CN101838458 A CN 101838458A
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- CN
- China
- Prior art keywords
- buffer block
- polyurethane microporous
- automotive buffer
- manufacture method
- sodium sulfonate
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Links
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 19
- 239000004814 polyurethane Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011521 glass Substances 0.000 claims abstract description 11
- 229920000570 polyether Polymers 0.000 claims abstract description 11
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 10
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920000642 polymer Polymers 0.000 claims description 19
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 19
- 239000004970 Chain extender Substances 0.000 claims description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 239000012752 auxiliary agent Substances 0.000 claims description 9
- 239000003595 mist Substances 0.000 claims description 9
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- QPGQPZQYAMNOPE-UHFFFAOYSA-N dimethyl benzene-1,3-dicarboxylate;sodium Chemical compound [Na].COC(=O)C1=CC=CC(C(=O)OC)=C1 QPGQPZQYAMNOPE-UHFFFAOYSA-N 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- -1 polyoxy Polymers 0.000 claims description 5
- 229920000909 polytetrahydrofuran Polymers 0.000 claims description 5
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000011417 postcuring Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 3
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 3
- UXFQFBNBSPQBJW-UHFFFAOYSA-N 2-amino-2-methylpropane-1,3-diol Chemical compound OCC(N)(C)CO UXFQFBNBSPQBJW-UHFFFAOYSA-N 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- YNVLAOMCNNYETJ-UHFFFAOYSA-N [Na].C(C=1C(C(=O)OC)=CC=CC1)(=O)OC Chemical compound [Na].C(C=1C(C(=O)OC)=CC=CC1)(=O)OC YNVLAOMCNNYETJ-UHFFFAOYSA-N 0.000 claims description 2
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- HQWKKEIVHQXCPI-UHFFFAOYSA-L disodium;phthalate Chemical compound [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C([O-])=O HQWKKEIVHQXCPI-UHFFFAOYSA-L 0.000 claims description 2
- VIQSRHWJEKERKR-UHFFFAOYSA-L disodium;terephthalate Chemical compound [Na+].[Na+].[O-]C(=O)C1=CC=C(C([O-])=O)C=C1 VIQSRHWJEKERKR-UHFFFAOYSA-L 0.000 claims description 2
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 claims description 2
- 238000002513 implantation Methods 0.000 claims description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 2
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 2
- 150000004702 methyl esters Chemical class 0.000 claims description 2
- 125000005474 octanoate group Chemical group 0.000 claims description 2
- 125000005375 organosiloxane group Chemical group 0.000 claims description 2
- HKJYVRJHDIPMQB-UHFFFAOYSA-N propan-1-olate;titanium(4+) Chemical compound CCCO[Ti](OCCC)(OCCC)OCCC HKJYVRJHDIPMQB-UHFFFAOYSA-N 0.000 claims description 2
- 229960001866 silicon dioxide Drugs 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 235000010215 titanium dioxide Nutrition 0.000 claims description 2
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 229920005830 Polyurethane Foam Polymers 0.000 abstract description 3
- 239000011496 polyurethane foam Substances 0.000 abstract description 3
- 229920001971 elastomer Polymers 0.000 abstract description 2
- 239000000806 elastomer Substances 0.000 abstract description 2
- 230000001939 inductive effect Effects 0.000 abstract 2
- 239000000843 powder Substances 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000005187 foaming Methods 0.000 description 4
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a method for manufacturing a polyurethane microporous automotive buffer block, aiming at overcoming the defects of the prior art and improving the dynamic fatigue deformation rate and the comprehensive mechanical properties of the polyurethane microporous automotive buffer block. The method for manufacturing the polyurethane microporous automotive buffer block has the advantages of improving the dynamic fatigue deformation rate and the comprehensive mechanical properties of the polyurethane microporous automotive buffer block by adopting the novel polyether glycol with low unsaturation degree and high molecular weight (3000-6000) and inducing 3-5 percent nano-glass micro powder into the novel polyether glycol, i.e. the method improves the elasticity and the dynamic fatigue deformation rate of the polyurethane microporous automotive buffer block by adopting the polyether glycol with low unsaturation degree and high molecular weight, and improves the comprehensive mechanical properties of the polyurethane microporous automotive buffer block such as the intensity and the like by inducing the nano-glass micro powder, thereby solving the problem that the polyurethane foam elastomer has poor comprehensive mechanical properties and dynamic fatigue deformation rate.
Description
Technical field
The present invention relates to a kind of preparation method of new polyurethane foaming elastomer, relate in particular to a kind of manufacture method of polyurethane microporous automotive buffer block.
Background technology
Because microporous polyurethane elastomer has good dynamic and static mechanical performance, is specially adapted to antidetonation and damping system, the overwhelming majority is applied on the automotive industry stop bit buffer block.But the elastomeric step of domestic production polyurethane foam is at present: be 1000-3000 polyester (or polyethers) polyvalent alcohol and 4 with molecular weight earlier, the 4-diphenylmethanediisocyanate (followingly also can abbreviate as: MDI) form isocyanate group and (followingly also can abbreviate as :-NCO) about about 10% the performed polymer of content under 70-90 ℃ of condition, by chainextender, whipping agent, foam stabilizer, suds-stabilizing agent, catalyzer etc. are formed auxiliary agent, with performed polymer and auxiliary agent by 100: the 6-10 high-speed mixing is poured in the 80-95 ℃ of mould after evenly, under the temperature about 110 ℃ slaking 13-16 hour, finally demould formed goods.
In above-mentioned preparation method, the dynamic fatigue deformation ratio height of goods, comprehensive mechanical property is poor, these disadvantages affect the work-ing life of goods, during especially as the damping element in field such as automobile, these indexs are particularly important.
Summary of the invention
The object of the present invention is to provide a kind ofly can overcome the deficiencies in the prior art, improve the manufacture method of the polyurethane microporous automotive buffer block of goods dynamic fatigue deformation ratio and comprehensive mechanical property.
For realizing purpose of the present invention, 1, a kind of manufacture method of polyurethane microporous automotive buffer block, concrete steps comprise:
1) preparation of performed polymer: adopt the polyether glycol of low unsaturation degree and high molecular weight (3000-6000), the nano-glass micro mist that accounts for gross weight 3%-5%, ester class organic sulfonate, catalyzer and the auxiliary agent that accounts for gross weight 3% to put into reactor in proportion, be rapidly heated 80-90 ℃, and under 80-90 ℃ and nitrogen protection, add 4,4-diphenylmethanediisocyanate (MDI) reaction obtained performed polymer, (NCO) content≤9% of isocyanate group in this performed polymer in 2-4 hour;
2) short mix: with performed polymer and chain extender component in 100: the ratio of 6-15 is fast thorough mixing in 10 seconds;
3) cast: the material implantation temperature that above-mentioned short mix has been got well is in 80-95 ℃ the mould;
4) precuring is with the demoulding: the material that will pour into a mould was put into 90 ℃ of baking oven precurings 3-5 hour together with mould, the demoulding then;
5) post curing: the goods after the demoulding were in 100-110 ℃ of post curing 12-15 hour.
Above-mentioned steps 1) polyether glycol described in is that molecular weight is low-unsaturation-degree polytetrahydrofuran polyvalent alcohol or the polyoxy tetramethylene polyvalent alcohol of 3000-6000.
Above-mentioned steps 1) nano-glass micro mist described in is one or more mixing prod in silicon-dioxide, lime carbonate, titanium dioxide, the aluminium sesquioxide.
Above-mentioned steps 1) described ester class organic sulfonate is any one of dimethyl phthalate sodium sulfonate, dimethyl isophthalate sodium sulfonate, dimethyl terephthalate (DMT) sodium sulfonate, diglycol phthalate sodium sulfonate, m-phthalic acid binaryglycol ester sodium sulfonate, diglycol terephthalate sodium sulfonate.
Above-mentioned steps 1) described catalyzer has: metatitanic acid class and organic tin, the metatitanic acid class is respectively a kind of or several arbitrarily in metatitanic acid methyl esters, titanium ethanolate, titanium propanolate, the butyl (tetra) titanate, and organic tin is respectively a kind of or several arbitrarily in two stannous octoates, the dibutyl tin laurate.
Above-mentioned steps 2) described chainextender is: 1, and 4-butyleneglycol, 1, ammediol, 1,6-hexylene glycol.
Above-mentioned steps 1) comprises whipping agent, foam stabilizer in the described auxiliary agent; Whipping agent is a water; Foam stabilizer is an organo-siloxane.
Advantage of the present invention is: by adopting the polyether glycol of novel low unsaturation degree and high molecular weight (3000-6000), and introduce dynamic antifatigue and the comprehensive mechanical property that 3%-5% nano-glass micro mist improves product in polyether glycol; Promptly by adopting the high molecular low-unsaturated polyether polyatomic alcohol to improve the elasticity of goods, and improved the dynamic fatigue performance of goods, increase the comprehensive mechanical properties such as intensity of goods by introducing the nano-glass micro mist, to solve the problem of polyurethane foam elastomerics comprehensive mechanical property, dynamic fatigue deformation rate variance.
Embodiment
Example 1
In 2 liters of reactors, add polytetrahydrofuran polyvalent alcohol or polyoxy tetramethylene polyvalent alcohol 500g by the amount 3000 of branch; add and handle back glass micro mist 25g; positive tetrabutyl titanate 2g; dimethyl isophthalate sodium sulfonate 40g; to expect temperature rise to 80 ℃; it is excessive 4 to add under nitrogen protection, the 4-diphenylmethanediisocyanate, be incubated 2 hours to obtain-NCO content is 7.2% performed polymer.
Auxiliary agent accounts for 10% of chainextender total amount in the chain extender component, and the ratio of performed polymer, chain extender component is 100: 8.8.Adopt the low pressure foaming machine that the mixed solution of performed polymer and chain extender component is injected 90 ℃ mould, precuring demoulding after 5 hours in 90 ℃ of baking ovens, the baking oven slaking of putting into 100 ℃ again obtained goods in 15 hours.
Example 2
In 2 liters of reactors, add polytetrahydrofuran polyvalent alcohol or polyoxy tetramethylene polyvalent alcohol 500g by the amount 4000 of branch; add and handle back glass micro mist 15g; positive tetrabutyl titanate 2g; dimethyl isophthalate sodium sulfonate 40g; to expect temperature rise to 90 ℃; it is excessive 4 to add under nitrogen protection, the 4-diphenylmethanediisocyanate, be incubated 4 hours to obtain-NCO content is 7.2% performed polymer.
Auxiliary agent accounts for 10% of chainextender total amount in the chain extender component, and the ratio of performed polymer, chain extender component is 100: 10.Adopt the low pressure foaming machine that the mixed solution of performed polymer and chain extender component is injected 90 ℃ mould, precuring demoulding after 3 hours in 90 ℃ of baking ovens, the baking oven slaking of putting into 100 ℃ again obtained goods in 12 hours.
Example 3
In 2 liters of reactors, add polytetrahydrofuran polyvalent alcohol or polyoxy tetramethylene polyvalent alcohol 500g by the amount 6000 of branch; add and handle back glass micro mist 20g; positive tetrabutyl titanate 2g; dimethyl isophthalate sodium sulfonate 45g; to expect temperature rise to 85 ℃; it is excessive 4 to add under nitrogen protection, the 4-diphenylmethanediisocyanate, be incubated 3 hours to obtain-NCO content is 7.2% performed polymer.
Auxiliary agent accounts for 10% of chainextender total amount in the chain extender component, and the ratio of performed polymer, chain extender component is 100: 12.Adopt the low pressure foaming machine that the mixed solution of performed polymer and chain extender component is injected 90 ℃ mould, precuring demoulding after 5 hours in 90 ℃ of baking ovens, the baking oven slaking of putting into 110 ℃ again obtained goods in 15 hours.
Claims (7)
1. the manufacture method of a polyurethane microporous automotive buffer block, concrete steps comprise:
1) preparation of performed polymer: adopt the polyether glycol of low unsaturation degree and high molecular weight (3000-6000), the nano-glass micro mist that accounts for gross weight 3%-5%, ester class organic sulfonate, catalyzer and the auxiliary agent that accounts for gross weight 3% to put into reactor in proportion, be rapidly heated 80-90 ℃, and under 80-90 ℃ and nitrogen protection, add 4,4-diphenylmethanediisocyanate (MDI) reaction obtained performed polymer, (NCO) content≤9% of isocyanate group in this performed polymer in 2-4 hour;
2) short mix: with performed polymer and chain extender component in 100: the ratio of 6-15 is fast thorough mixing in 10 seconds;
3) cast: the material implantation temperature that above-mentioned short mix has been got well is in 80-95 ℃ the mould;
4) precuring is with the demoulding: the material that will pour into a mould was put into 90 ℃ of baking oven precurings 3-5 hour together with mould, the demoulding then;
5) post curing: the goods after the demoulding were in 100-110 ℃ of post curing 12-15 hour.
2. the polyether glycol the manufacture method of a kind of polyurethane microporous automotive buffer block according to claim 1, above-mentioned steps 1) is that molecular weight is low-unsaturation-degree polytetrahydrofuran polyvalent alcohol or the polyoxy tetramethylene polyvalent alcohol of 3000-6000.
3. nano-glass micro mist the manufacture method of polyurethane microporous automotive buffer block according to claim 1, above-mentioned steps 1) is one or more mixing prod in silicon-dioxide, lime carbonate, titanium dioxide, the aluminium sesquioxide.
4. the manufacture method of polyurethane microporous automotive buffer block according to claim 1, above-mentioned steps 1) described ester class organic sulfonate is any one of dimethyl phthalate sodium sulfonate, dimethyl isophthalate sodium sulfonate, dimethyl terephthalate (DMT) sodium sulfonate, diglycol phthalate sodium sulfonate, m-phthalic acid binaryglycol ester sodium sulfonate, diglycol terephthalate sodium sulfonate.
5. the manufacture method of polyurethane microporous automotive buffer block according to claim 1, above-mentioned steps 1) described catalyzer has: metatitanic acid class and organic tin, the metatitanic acid class is respectively a kind of or several arbitrarily in metatitanic acid methyl esters, titanium ethanolate, titanium propanolate, the butyl (tetra) titanate, and organic tin is respectively a kind of or several arbitrarily in two stannous octoates, the dibutyl tin laurate.
6. the manufacture method of polyurethane microporous automotive buffer block according to claim 1, above-mentioned steps 2) described chainextender is: 1, and 4-butyleneglycol, 1, ammediol, 1,6-hexylene glycol.
7. the manufacture method of polyurethane microporous automotive buffer block according to claim 1, above-mentioned steps 1) comprise whipping agent, foam stabilizer in the described auxiliary agent; Whipping agent is a water; Foam stabilizer is an organo-siloxane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101407252A CN101838458B (en) | 2010-04-07 | 2010-04-07 | Method for manufacturing polyurethane microporous automotive buffer block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101407252A CN101838458B (en) | 2010-04-07 | 2010-04-07 | Method for manufacturing polyurethane microporous automotive buffer block |
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| Publication Number | Publication Date |
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| CN101838458A true CN101838458A (en) | 2010-09-22 |
| CN101838458B CN101838458B (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101407252A Expired - Fee Related CN101838458B (en) | 2010-04-07 | 2010-04-07 | Method for manufacturing polyurethane microporous automotive buffer block |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995409A (en) * | 2012-08-21 | 2013-03-27 | 江苏宝泽高分子材料股份有限公司 | Water-based particular downy sense scraper treating agent for synthetic leather and preparation method thereof |
| CN103289048A (en) * | 2013-06-21 | 2013-09-11 | 苏州市景荣科技有限公司 | Anti-aging polyurethane sole material |
| CN105732935A (en) * | 2014-12-10 | 2016-07-06 | 上海凯众材料科技股份有限公司 | Manufacturing method of polyurethane microporous elastomer |
| CN107602791A (en) * | 2015-04-28 | 2018-01-19 | 陈薇 | A kind of preparation method of high performance polyurethane cushion pad |
| CN108250395A (en) * | 2017-12-29 | 2018-07-06 | 浙江省三门中鑫实业有限公司 | A kind of manufacturing method of magnetic suspension train buffer stopper |
| CN111961184A (en) * | 2019-05-20 | 2020-11-20 | 万华化学集团股份有限公司 | Low-density ultraviolet radiation-resistant polyurethane sponge and preparation method thereof |
| CN112876639A (en) * | 2021-01-14 | 2021-06-01 | 广州诺森新材料科技有限公司 | Inorganic microsphere filled NDI type PUR high-performance composite microporous elastomer and preparation method thereof |
| CN113563563A (en) * | 2021-07-21 | 2021-10-29 | 北京理工大学 | Low-density fatigue-resistant microporous polyurethane elastic damping pad and preparation method thereof |
| CN115677970A (en) * | 2022-11-16 | 2023-02-03 | 万华化学（北京）有限公司 | Ionic polyurethane composition and preparation method and application thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995409A (en) * | 2012-08-21 | 2013-03-27 | 江苏宝泽高分子材料股份有限公司 | Water-based particular downy sense scraper treating agent for synthetic leather and preparation method thereof |
| CN102995409B (en) * | 2012-08-21 | 2014-07-16 | 江苏宝泽高分子材料股份有限公司 | Water-based particular downy sense scraper treating agent for synthetic leather and preparation method thereof |
| CN103289048A (en) * | 2013-06-21 | 2013-09-11 | 苏州市景荣科技有限公司 | Anti-aging polyurethane sole material |
| CN105732935A (en) * | 2014-12-10 | 2016-07-06 | 上海凯众材料科技股份有限公司 | Manufacturing method of polyurethane microporous elastomer |
| CN105732935B (en) * | 2014-12-10 | 2018-09-07 | 上海凯众材料科技股份有限公司 | A kind of preparation method of microporous polyurethane elastomer |
| CN107602791A (en) * | 2015-04-28 | 2018-01-19 | 陈薇 | A kind of preparation method of high performance polyurethane cushion pad |
| CN108250395A (en) * | 2017-12-29 | 2018-07-06 | 浙江省三门中鑫实业有限公司 | A kind of manufacturing method of magnetic suspension train buffer stopper |
| CN111961184A (en) * | 2019-05-20 | 2020-11-20 | 万华化学集团股份有限公司 | Low-density ultraviolet radiation-resistant polyurethane sponge and preparation method thereof |
| CN111961184B (en) * | 2019-05-20 | 2022-04-22 | 万华化学集团股份有限公司 | Low-density ultraviolet radiation-resistant polyurethane sponge and preparation method thereof |
| CN112876639A (en) * | 2021-01-14 | 2021-06-01 | 广州诺森新材料科技有限公司 | Inorganic microsphere filled NDI type PUR high-performance composite microporous elastomer and preparation method thereof |
| CN113563563A (en) * | 2021-07-21 | 2021-10-29 | 北京理工大学 | Low-density fatigue-resistant microporous polyurethane elastic damping pad and preparation method thereof |
| CN115677970A (en) * | 2022-11-16 | 2023-02-03 | 万华化学（北京）有限公司 | Ionic polyurethane composition and preparation method and application thereof |
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| CN101838458B (en) | 2011-11-30 |
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