CN105273160A - Transparent yellowing-resistance polyurethane elastomer and preparation method thereof - Google Patents
Transparent yellowing-resistance polyurethane elastomer and preparation method thereof Download PDFInfo
- Publication number
- CN105273160A CN105273160A CN201410355759.1A CN201410355759A CN105273160A CN 105273160 A CN105273160 A CN 105273160A CN 201410355759 A CN201410355759 A CN 201410355759A CN 105273160 A CN105273160 A CN 105273160A
- Authority
- CN
- China
- Prior art keywords
- weight
- polyurethane elastomer
- component
- yellowing
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920003225 polyurethane elastomer Polymers 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000004383 yellowing Methods 0.000 claims abstract description 29
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 239000005056 polyisocyanate Substances 0.000 claims abstract description 14
- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 14
- 229920005862 polyol Polymers 0.000 claims abstract description 14
- 150000003077 polyols Chemical class 0.000 claims abstract description 14
- 239000004970 Chain extender Substances 0.000 claims abstract description 9
- 125000003118 aryl group Chemical group 0.000 claims abstract description 9
- 150000003384 small molecules Chemical group 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 33
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 30
- 229920000642 polymer Polymers 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 238000005987 sulfurization reaction Methods 0.000 claims description 11
- 238000010792 warming Methods 0.000 claims description 11
- 239000003863 metallic catalyst Substances 0.000 claims description 8
- 125000002524 organometallic group Chemical group 0.000 claims description 8
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims description 7
- 229910052797 bismuth Inorganic materials 0.000 claims description 7
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 7
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 7
- NNOZGCICXAYKLW-UHFFFAOYSA-N 1,2-bis(2-isocyanatopropan-2-yl)benzene Chemical compound O=C=NC(C)(C)C1=CC=CC=C1C(C)(C)N=C=O NNOZGCICXAYKLW-UHFFFAOYSA-N 0.000 claims description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 6
- 229920005906 polyester polyol Polymers 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 5
- 235000019437 butane-1,3-diol Nutrition 0.000 claims description 5
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical group CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 5
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 claims description 4
- PISLZQACAJMAIO-UHFFFAOYSA-N 2,4-diethyl-6-methylbenzene-1,3-diamine Chemical compound CCC1=CC(C)=C(N)C(CC)=C1N PISLZQACAJMAIO-UHFFFAOYSA-N 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 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical group OCCCCO WERYXYBDKMZEQL-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
- 239000003054 catalyst Substances 0.000 abstract description 11
- 239000000203 mixture Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 45
- 229910052757 nitrogen Inorganic materials 0.000 description 18
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- -1 diphenyl cyanoacrylates Chemical class 0.000 description 10
- 229910001873 dinitrogen Inorganic materials 0.000 description 9
- 238000007599 discharging Methods 0.000 description 9
- 229920001451 polypropylene glycol Polymers 0.000 description 9
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 4
- HIFVAOIJYDXIJG-UHFFFAOYSA-N benzylbenzene;isocyanic acid Chemical class N=C=O.N=C=O.C=1C=CC=CC=1CC1=CC=CC=C1 HIFVAOIJYDXIJG-UHFFFAOYSA-N 0.000 description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 3
- PBWHJRFXUPLZDS-UHFFFAOYSA-N (1-Ethylpropyl)benzene Chemical compound CCC(CC)C1=CC=CC=C1 PBWHJRFXUPLZDS-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- XJRAOMZCVTUHFI-UHFFFAOYSA-N isocyanic acid;methane Chemical class C.N=C=O.N=C=O XJRAOMZCVTUHFI-UHFFFAOYSA-N 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- IYXGSMUGOJNHAZ-UHFFFAOYSA-N Ethyl malonate Chemical class CCOC(=O)CC(=O)OCC IYXGSMUGOJNHAZ-UHFFFAOYSA-N 0.000 description 1
- PNKUSGQVOMIXLU-UHFFFAOYSA-N Formamidine Chemical compound NC=N PNKUSGQVOMIXLU-UHFFFAOYSA-N 0.000 description 1
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- YCWSUKQGVSGXJO-NTUHNPAUSA-N nifuroxazide Chemical group C1=CC(O)=CC=C1C(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 YCWSUKQGVSGXJO-NTUHNPAUSA-N 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 235000019633 pungent taste Nutrition 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- WBYWAXJHAXSJNI-VOTSOKGWSA-M trans-cinnamate Chemical class [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention provides a transparent yellowing-resistance polyurethane elastomer, which comprises a prepolymer component and a curing agent component according to a weight ratio of the prepolymer component to the curing agent component of 100:7-12, wherein the prepolymer component comprises, by weight, 80-90 parts of polyol, 8-10 parts of an aliphatic polyisocyanate, and 8-10 parts of an aromatic polyisocyanate, and the curing agent component comprises, by weight, 99-100 parts of a small molecule chain extender, and 1-10 parts of an organic metal catalyst. The present invention further provides a preparation method of the transparent yellowing-resistance polyurethane elastomer. According to the present invention, the method has characteristics of simple process and production cost reducing; and the produced polyurethane elastomer has significantly improved yellowing resistance and is stable, the surface hardness can be randomly adjusted in the range of Shore 75A-100A through the composition ratio, and the prepared products having various sizes have characteristics of good transparency, no bubble residue, and excellent mechanical property maintaining after long-term use.
Description
Technical field
The present invention relates to a kind of polyurethane elastomer and preparation method thereof, particularly relate to a kind of transparent yellowing-resistant polyurethane elastomer and preparation method thereof, belong to field of polymer chemical industry.
Background technology
Urethane is a kind of important synthetic resins, and because of the advantage such as wear resistance, oil-proofness, mechanical property of its excellence, application is very extensive, such as, be used as the wheel of inline skate.The skating shoe wheel structure of usual urethane contains a large amount of phenyl ring, in use procedure, under the action of uv light, the large π key on phenyl ring and contiguous isocyanate group conjugation, form quinoid structure, because this quinoid structure has color so cause polyurethane wheel easily to turn yellow.The patent No. is antistatic thermoplastic polyurethane in the Chinese patent of 200880024867.3, and UV light absorber disclosed in this patent has cinnamate derivative, diphenyl cyanoacrylates, formamidine, toluenyl malonic ester class, diaryl fourth two hydro carbons, triazines, benzotriazole category.Although these organic uv absorbers can reach good color inhibition effect, these organic molecules easily move in urethane, persistence and less stable, and have certain toxicity and pungency.Be not suitable for the interpolation being used as urethane ice skate wheel, quality product is not had a good guarantee.
Summary of the invention
The present invention is directed to ice skate, slide plate polyurethane transparent wheel used, under even in everyday situations, use the defect of not color inhibition, a kind of transparent yellowing-resistant polyurethane elastomer and preparation method thereof is provided.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of transparent yellowing-resistant polyurethane elastomer, be made up of performed polymer component and curing agent component, the part by weight of described performed polymer component and described curing agent component is 100:7 ~ 12, described performed polymer part comprises 80 ~ 90 weight polyol, 8 ~ 10 parts by weight of fatty race polyisocyanates and 8 ~ 10 parts by weight of aromatic polyisocyanates, and described curing agent component comprises 99 ~ 100 weight part small molecule chain extenders and 1 ~ 10 weight part organo-metallic catalyst.
Preferably, described polyvalent alcohol be relative molecular weight 400 ~ 6000, functionality be 2 or 3 or 4 polyether glycol or polyester polyol; Wherein preferably functionality is polyether glycol or the polyester polyol of 2 or 3, and more preferably functionality is polyether glycol or the polyester polyol of 3.
Preferably, in described performed polymer part, the mass percentage of isocyanate group is 5% ~ 15%.
Preferably, described aliphatic polyisocyante is one or more in hexamethylene diisocyanate, xylylene diisocyanate, tetramethylxylylene diisocyanate, isophorone diisocyanate.
Preferably, described aromatic polyisocyanate is tolylene diisocyanate or diphenylmethanediisocyanate or the two combination.
Preferably, described small molecule chain extender is Isosorbide-5-Nitrae butyleneglycol, ethylene glycol, 1,3 butyleneglycols, 1, one or more in 8 ethohexadiols, diethyl toluene diamine, disulfide group tolylene diamine, TriMethylolPropane(TMP).
Preferably, described organo-metallic catalyst is one or more in organotin, organic zinc, organo-bismuth, Organic leadP.
Present invention also offers a kind of transparent yellowing-resistant method for preparing polyurethane elastic body, comprise the following steps:
1) component A is prepared: be fed in reaction vessel by 80 ~ 90 weight polyol, stirring is warming up to 80 DEG C ~ 85 DEG C, add 8 ~ 10 parts by weight of fatty race polyisocyanates and 8 ~ 10 parts by weight of aromatic polyisocyanates again, keep temperature 80 DEG C ~ 85 DEG C reaction 1 ~ 3 hour, again under 0.05Mpa ~ 0.1Mpa, 80 DEG C ~ 85 DEG C environment, stir degassed 0.5 ~ 2 hour, sealing saves as component A;
2) prepare B component: dropped in reaction vessel by 99 ~ 100 weight part small molecule chain extenders, then add 1 ~ 10 weight part organo-metallic catalyst, stir 1 ~ 3 hour at normal temperatures and pressures, sealing saves as B component;
3) mixing cured: described component A mixed by weight 100:7 ~ 12 with described B component, mixing temperature is 80 DEG C ~ 110 DEG C, cast, sulfuration 0.5 ~ 2 hour at 80 DEG C ~ 110 DEG C, obtained transparent yellowing-resistant polyurethane elastomer.
Preferably, described polyvalent alcohol is relative molecular weight 400 ~ 6000, functionality is 2 or 3 or 4 polyether glycol or polyester polyol, described aliphatic polyisocyante is one or more in hexamethylene diisocyanate, xylylene diisocyanate, tetramethylxylylene diisocyanate, isophorone diisocyanate, and described aromatic polyisocyanate is tolylene diisocyanate or diphenylmethanediisocyanate or the two combination.
Preferably, described small molecule chain extender is 1,4 butyleneglycols, ethylene glycol, 1,3 butyleneglycols, 1, one or more in 8 ethohexadiols, diethyl toluene diamine, disulfide group tolylene diamine, TriMethylolPropane(TMP), described organo-metallic catalyst is one or more in organotin, organic zinc, organo-bismuth, Organic leadP.
Compared with prior art, of the present invention have following beneficial effect: contrast traditional polyurethane elastomer, anti-yellowing property is significantly improved, and more stable; Polyurethane elastomer surface hardness can be regulated arbitrarily by composition ratio in shore 75A ~ 100A scope; The goods being prepared into various size all have good transparency, and bubble-free remains; Life-time service also can keep excellent mechanical property, can not burst apart in surface, bulk comes off; Reduce production cost, improve production efficiency.
Embodiment
Below in conjunction with specific embodiment, a kind of transparent yellowing-resistant polyurethane elastomer of the present invention and preparation method thereof is described in further detail, but protection orientation of the present invention is not limited to following examples.
Embodiment 1
1) prepare performed polymer component: be 2000 by 82.59 weight part relative molecular weights, functionality be 2 polyoxypropylene polyol be fed in reactor, stir at ambient pressure and be warming up to 80 DEG C ~ 85 DEG C, add 8.86 parts by weight of toluene vulcabond and 8.55 weight part isophorone diisocyanates again, keep temperature 80 DEG C ~ 85 DEG C, be filled with nitrogen gas stirring reaction 2 ~ 2.5 hours, again under vacuum tightness is 0.05Mpa ~ 0.1Mpa, the environment of 80 DEG C ~ 85 DEG C, stir degassed 0.5 hour, be down to normal pressure, be cooled to 60 DEG C, nitrogen-filled seal is preserved;
2) prepare curing agent component: be fed in reactor by 99 weight part diethyl toluene diamines under normal temperature, then add 1 weight part organic bismuth catalyst, be uniformly mixed 1 hour, discharging, nitrogen-filled seal is preserved;
3) mixing cured: described performed polymer component is mixed by weight 100:10 with described curing agent component, mixing temperature is 80 DEG C ~ 110 DEG C, cast, sulfuration 1 hour at 80 DEG C ~ 110 DEG C, the demoulding obtains the transparent yellowing-resistant polyurethane elastomer that surface hardness is shore 82A.
Embodiment 2
1) prepare performed polymer component: be 3000 by 80.59 weight part relative molecular weights, functionality be 3 polyoxypropylene polyol be fed in reactor, stir at ambient pressure and be warming up to 80 DEG C ~ 85 DEG C, add 9.86 parts by weight of toluene vulcabond and 9.55 weight part isophorone diisocyanates again, keep temperature 80 DEG C ~ 85 DEG C, be filled with nitrogen gas stirring reaction 2 ~ 2.5 hours, again under vacuum tightness is 0.05Mpa ~ 0.1Mpa, the environment of 80 DEG C ~ 85 DEG C, stir degassed 0.5 hour, be down to normal pressure, be cooled to 60 DEG C, nitrogen-filled seal is preserved;
2) prepare curing agent component: be fed in reactor by 99 weight part diethyl toluene diamines under normal temperature, then add 1 weight part organic bismuth catalyst, be uniformly mixed 1 hour, discharging, nitrogen-filled seal is preserved;
3) mixing cured: described performed polymer component is mixed by weight 100:12 with described curing agent component, mixing temperature is 80 DEG C ~ 110 DEG C, cast, sulfuration 1 hour at 80 DEG C ~ 110 DEG C, the demoulding obtains the transparent yellowing-resistant polyurethane elastomer that surface hardness is shore 85A.
Embodiment 3
1) prepare performed polymer component: be 6000 by 90 weight part relative molecular weights, functionality be 4 polyoxypropylene polyol be fed in reactor, stir at ambient pressure and be warming up to 80 DEG C ~ 85 DEG C, add 10 weight part diphenylmethanediisocyanates and 10 weight part tetramethylxylylene diisocyanate again, keep temperature 80 DEG C ~ 85 DEG C, be filled with nitrogen gas stirring reaction 2.5 ~ 3 hours, again under vacuum tightness is 0.05Mpa ~ 0.1Mpa, the environment of 80 DEG C ~ 85 DEG C, stir degassed 2 hours, be down to normal pressure, be cooled to 60 DEG C, nitrogen-filled seal is preserved;
2) prepare curing agent component: be fed in reactor by 100 weight part disulfide group tolylene diamines under normal temperature, then add 10 weight part organolead catalysts, be uniformly mixed 3 hours, discharging, nitrogen-filled seal is preserved;
3) mixing cured: described performed polymer component is mixed by weight 100:12 with described curing agent component, mixing temperature is 80 DEG C ~ 110 DEG C, cast, sulfuration 2 hours at 80 DEG C ~ 110 DEG C, the demoulding obtains the transparent yellowing-resistant polyurethane elastomer that surface hardness is shore 100A.
Embodiment 4
1) prepare performed polymer component: be 400 by 80 weight part relative molecular weights, functionality be 2 polyoxypropylene polyol be fed in reactor, stir at ambient pressure and be warming up to 80 DEG C ~ 85 DEG C, add 8 weight part diphenylmethanediisocyanates and 8 weight part tetramethylxylylene diisocyanate again, keep temperature 80 DEG C ~ 85 DEG C, be filled with nitrogen gas stirring reaction 1 ~ 1.5 hour, again under vacuum tightness is 0.05Mpa ~ 0.1Mpa, the environment of 80 DEG C ~ 85 DEG C, stir degassed 0.5 hour, be down to normal pressure, be cooled to 60 DEG C, nitrogen-filled seal is preserved;
2) prepare curing agent component: be fed in reactor by 99 weight part TriMethylolPropane(TMP)s under normal temperature, then add 1 weight part organozinc catalyst, be uniformly mixed 1 hour, discharging, nitrogen-filled seal is preserved;
3) mixing cured: described performed polymer component is mixed by weight 100:7 with described curing agent component, mixing temperature is 80 DEG C ~ 110 DEG C, cast, sulfuration 0.5 hour at 80 DEG C ~ 110 DEG C, the demoulding obtains the transparent yellowing-resistant polyurethane elastomer that surface hardness is shore 75A.
Embodiment 5
1) prepare performed polymer component: be 2000 by 83.34 weight part relative molecular weights, functionality be 2 polyoxypropylene polyol be fed in reactor, stir at ambient pressure and be warming up to 80 DEG C ~ 85 DEG C, add 8.85 weight part diphenylmethanediisocyanates and 8.81 weight part xylylene diisocyanates again, keep temperature 80 DEG C ~ 85 DEG C, be filled with nitrogen gas stirring reaction 1.5 ~ 2 hours, again under vacuum tightness is 0.05Mpa ~ 0.1Mpa, the environment of 80 DEG C ~ 85 DEG C, stir degassed 1 hour, be down to normal pressure, be cooled to 60 DEG C, nitrogen-filled seal is preserved;
2) prepare curing agent component: be fed in reactor by 99.2 weight part Isosorbide-5-Nitrae butyleneglycols under normal temperature, then add 2.8 weight part organotin catalysts, be uniformly mixed 2 hours, discharging, nitrogen-filled seal is preserved;
3) mixing cured: described performed polymer component is mixed by weight 100:8 with described curing agent component, mixing temperature is 80 DEG C ~ 110 DEG C, cast, sulfuration 1 hour at 80 DEG C ~ 110 DEG C, the demoulding obtains the transparent yellowing-resistant polyurethane elastomer that surface hardness is shore 78A.
Embodiment 6
1) prepare performed polymer component: be 3000 by 84.55 weight part relative molecular weights, functionality be 3 polyoxypropylene polyol be fed in reactor, stir at ambient pressure and be warming up to 80 DEG C ~ 85 DEG C, add 9.16 parts by weight of toluene vulcabond and 8.29 weight part xylylene diisocyanates again, keep temperature 80 DEG C ~ 85 DEG C, be filled with nitrogen gas stirring reaction 1.5 ~ 2 hours, again under vacuum tightness is 0.05Mpa ~ 0.1Mpa, the environment of 80 DEG C ~ 85 DEG C, stir degassed 1.5 hours, be down to normal pressure, be cooled to 60 DEG C, nitrogen-filled seal is preserved;
2) prepare curing agent component: be fed in reactor by 99.6 weight part 1,3 butyleneglycols under normal temperature, then add 5.4 weight part organolead catalysts, be uniformly mixed 2.5 hours, discharging, nitrogen-filled seal is preserved;
3) mixing cured: described performed polymer component is mixed by weight 100:9 with described curing agent component, mixing temperature is 80 DEG C ~ 110 DEG C, cast, sulfuration 1.5 hours at 80 DEG C ~ 110 DEG C, the demoulding obtains the transparent yellowing-resistant polyurethane elastomer that surface hardness is shore 90A.
Embodiment 7
1) prepare performed polymer component: be 3000 by 87.31 weight part relative molecular weights, functionality be 3 polyoxypropylene polyol be fed in reactor, stir at ambient pressure and be warming up to 80 DEG C ~ 85 DEG C, add 9.22 parts by weight of toluene vulcabond and 9.47 weight part hexamethylene diisocyanates again, keep temperature 80 DEG C ~ 85 DEG C, be filled with nitrogen gas stirring reaction 2 ~ 2.5 hours, again under vacuum tightness is 0.05Mpa ~ 0.1Mpa, the environment of 80 DEG C ~ 85 DEG C, stir degassed 1.5 hours, be down to normal pressure, be cooled to 60 DEG C, nitrogen-filled seal is preserved;
2) prepare curing agent component: be fed in reactor by 99.4 weight part ethylene glycol under normal temperature, then add 7.6 weight part organozinc catalyst, be uniformly mixed 2 hours, discharging, nitrogen-filled seal is preserved;
3) mixing cured: described performed polymer component is mixed by weight 100:11 with described curing agent component, mixing temperature is 80 DEG C ~ 110 DEG C, cast, sulfuration 1 hour at 80 DEG C ~ 110 DEG C, the demoulding obtains the transparent yellowing-resistant polyurethane elastomer that surface hardness is shore 96A.
Embodiment 8
1) prepare performed polymer component: be 2000 by 88.78 weight part relative molecular weights, functionality be 2 polyoxypropylene polyol be fed in reactor, stir at ambient pressure and be warming up to 80 DEG C ~ 85 DEG C, add 8.65 weight part methane diisocyanates and 9.57 weight part hexamethylene diisocyanates again, keep temperature 80 DEG C ~ 85 DEG C, be filled with nitrogen gas stirring reaction 1 ~ 1.5 hour, again under vacuum tightness is 0.05Mpa ~ 0.1Mpa, the environment of 80 DEG C ~ 85 DEG C, stir degassed 1 hour, be down to normal pressure, be cooled to 60 DEG C, nitrogen-filled seal is preserved;
2) prepare curing agent component: be fed in reactor by 99.4 weight part 1,8 ethohexadiols under normal temperature, then add 7.6 weight part organotin catalysts, be uniformly mixed 2 hours, discharging, nitrogen-filled seal is preserved;
3) mixing cured: described performed polymer component is mixed by weight 100:10.5 with described curing agent component, mixing temperature is 80 DEG C ~ 110 DEG C, cast, sulfuration 2 hours at 80 DEG C ~ 110 DEG C, the demoulding obtains the transparent yellowing-resistant polyurethane elastomer that surface hardness is shore 94A.
Embodiment 9
1) performed polymer component is prepared: be 3000 by 89.17 weight part relative molecular weights, functionality be 3 polyoxypropylene polyol be fed in reactor, stir at ambient pressure and be warming up to 80 DEG C ~ 85 DEG C, add the mixture of 8.74 weight part methane diisocyanates and tolylene diisocyanate and the mixture of 8.19 weight part hexamethylene diisocyanates and isophorone diisocyanate again, keep temperature 80 DEG C ~ 85 DEG C, be filled with nitrogen gas stirring reaction 2.5 ~ 3 hours, be 0.05Mpa ~ 0.1Mpa in vacuum tightness again, under the environment of 80 DEG C ~ 85 DEG C, stir degassed 1.5 hours, be down to normal pressure, be cooled to 60 DEG C, nitrogen-filled seal is preserved,
2) curing agent component is prepared: be fed in reactor by the mixture of 99.5 weight part ethylene glycol and TriMethylolPropane(TMP) under normal temperature, add the mixture of 9.5 weight part organic bismuth catalysts and organozinc catalyst again, be uniformly mixed 2.5 hours, discharging, nitrogen-filled seal is preserved;
3) mixing cured: described performed polymer component is mixed by weight 100:8.5 with described curing agent component, mixing temperature is 80 DEG C ~ 110 DEG C, cast, sulfuration 2 hours at 80 DEG C ~ 110 DEG C, the demoulding obtains the transparent yellowing-resistant polyurethane elastomer that surface hardness is shore 91A.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a transparent yellowing-resistant polyurethane elastomer, is characterized in that, is made up of performed polymer component and curing agent component, and the part by weight of described performed polymer component and described curing agent component is 100:7 ~ 12,
Described performed polymer part comprises 80 ~ 90 weight polyol, 8 ~ 10 parts by weight of fatty race polyisocyanates and 8 ~ 10 parts by weight of aromatic polyisocyanates,
Described curing agent component comprises 99 ~ 100 weight part small molecule chain extenders and 1 ~ 10 weight part organo-metallic catalyst.
2. transparent yellowing-resistant polyurethane elastomer according to claim 1, is characterized in that, described polyvalent alcohol is relative molecular weight 400 ~ 6000, functionality is 2 or 3 or 4 polyether glycol or polyester polyol.
3. transparent yellowing-resistant polyurethane elastomer according to claim 1, is characterized in that, in described performed polymer part, the mass percentage of isocyanate group is 5% ~ 15%.
4. transparent yellowing-resistant polyurethane elastomer according to claim 1, it is characterized in that, described aliphatic polyisocyante is one or more in hexamethylene diisocyanate, xylylene diisocyanate, tetramethylxylylene diisocyanate, isophorone diisocyanate.
5. transparent yellowing-resistant polyurethane elastomer according to claim 1, is characterized in that, described aromatic polyisocyanate is tolylene diisocyanate or diphenylmethanediisocyanate or the two combination.
6. transparent yellowing-resistant polyurethane elastomer according to claim 1, it is characterized in that, described small molecule chain extender is Isosorbide-5-Nitrae butyleneglycol, ethylene glycol, 1,3 butyleneglycols, 1, one or more in 8 ethohexadiols, diethyl toluene diamine, disulfide group tolylene diamine, TriMethylolPropane(TMP).
7. transparent yellowing-resistant polyurethane elastomer according to claim 1, is characterized in that, described organo-metallic catalyst is one or more in organotin, organic zinc, organo-bismuth, Organic leadP.
8. a transparent yellowing-resistant method for preparing polyurethane elastic body, is characterized in that, comprises the following steps:
1) component A is prepared: be fed in reaction vessel by 80 ~ 90 weight polyol, stirring is warming up to 80 DEG C ~ 85 DEG C, add 8 ~ 10 parts by weight of fatty race polyisocyanates and 8 ~ 10 parts by weight of aromatic polyisocyanates again, keep temperature 80 DEG C ~ 85 DEG C reaction 1 ~ 3 hour, again under 0.05Mpa ~ 0.1Mpa, 80 DEG C ~ 85 DEG C environment, stir degassed 0.5 ~ 2 hour, sealing saves as component A;
2) prepare B component: dropped in reaction vessel by 99 ~ 100 weight part small molecule chain extenders, then add 1 ~ 10 weight part organo-metallic catalyst, stir 1 ~ 3 hour at normal temperatures and pressures, sealing saves as B component;
3) mixing cured: described component A mixed by weight 100:7 ~ 12 with described B component, mixing temperature is 80 DEG C ~ 110 DEG C, cast, sulfuration 0.5 ~ 2 hour at 80 DEG C ~ 110 DEG C, obtained transparent yellowing-resistant polyurethane elastomer.
9. transparent yellowing-resistant method for preparing polyurethane elastic body according to claim 8, it is characterized in that, described polyvalent alcohol is relative molecular weight 400 ~ 6000, functionality is 2 or 3 or 4 polyether glycol or polyester polyol, described aliphatic polyisocyante is one or more in hexamethylene diisocyanate, xylylene diisocyanate, tetramethylxylylene diisocyanate, isophorone diisocyanate, and described aromatic polyisocyanate is tolylene diisocyanate or diphenylmethanediisocyanate or the two combination.
10. transparent yellowing-resistant method for preparing polyurethane elastic body according to claim 1, it is characterized in that: described small molecule chain extender is 1,4 butyleneglycols, ethylene glycol, 1,3 butyleneglycols, 1, one or more in 8 ethohexadiols, diethyl toluene diamine, disulfide group tolylene diamine, TriMethylolPropane(TMP), described organo-metallic catalyst is one or more in organotin, organic zinc, organo-bismuth, Organic leadP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410355759.1A CN105273160B (en) | 2014-07-24 | 2014-07-24 | A kind of transparent yellowing-resistant polyurethane elastomer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410355759.1A CN105273160B (en) | 2014-07-24 | 2014-07-24 | A kind of transparent yellowing-resistant polyurethane elastomer and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105273160A true CN105273160A (en) | 2016-01-27 |
| CN105273160B CN105273160B (en) | 2018-05-08 |
Family
ID=55143046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410355759.1A Expired - Fee Related CN105273160B (en) | 2014-07-24 | 2014-07-24 | A kind of transparent yellowing-resistant polyurethane elastomer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105273160B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106543400A (en) * | 2016-08-29 | 2017-03-29 | 山东方鼎安全玻璃科技有限公司 | A kind of TPU materials of high transparency non yellowing |
| CN106750103A (en) * | 2017-02-24 | 2017-05-31 | 耿佃勇 | Polyurethane operation pallet and preparation method thereof |
| CN106750102A (en) * | 2017-02-24 | 2017-05-31 | 耿佃勇 | Polyurethane elastomer stirring set and preparation method thereof |
| CN106832186A (en) * | 2017-01-06 | 2017-06-13 | 陕西科技大学 | One kind mixing diisocyanate type urethane and preparation method thereof |
| CN109535385A (en) * | 2018-11-26 | 2019-03-29 | 新疆天地金阳环保新材料有限公司 | The preparation method of base polyurethane prepolymer for use as, preparation method and environmentally friendly polyureas sports ground surface layer |
| CN110712355A (en) * | 2019-10-12 | 2020-01-21 | 东莞市米儿塑胶原料有限公司 | Dynamic manufacturing method of high-light-transmittance yellowing-resistant TPU |
| CN113150232A (en) * | 2021-05-11 | 2021-07-23 | 太原工业学院 | Preparation method of MDI-based high-transparency polyurethane elastomer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030125135A1 (en) * | 2001-11-13 | 2003-07-03 | Satoshi Iwami | Golf Ball |
| CN101096408A (en) * | 2006-06-26 | 2008-01-02 | 山东东大一诺威聚氨酯有限公司 | Yellowing-resistant transparent polyurethane elastomer combined material and using method thereof |
| CN103275300A (en) * | 2013-05-31 | 2013-09-04 | 东莞市精伦实业有限公司 | Yellowing-resistant and uvioresistant polyurethane elastomer and preparation method thereof |
| CN103524705A (en) * | 2013-10-29 | 2014-01-22 | 广东石油化工学院 | Preparation method for polyurethane elastomers |
-
2014
- 2014-07-24 CN CN201410355759.1A patent/CN105273160B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030125135A1 (en) * | 2001-11-13 | 2003-07-03 | Satoshi Iwami | Golf Ball |
| CN101096408A (en) * | 2006-06-26 | 2008-01-02 | 山东东大一诺威聚氨酯有限公司 | Yellowing-resistant transparent polyurethane elastomer combined material and using method thereof |
| CN103275300A (en) * | 2013-05-31 | 2013-09-04 | 东莞市精伦实业有限公司 | Yellowing-resistant and uvioresistant polyurethane elastomer and preparation method thereof |
| CN103524705A (en) * | 2013-10-29 | 2014-01-22 | 广东石油化工学院 | Preparation method for polyurethane elastomers |
Non-Patent Citations (2)
| Title |
|---|
| 傅明源等: "《聚氨酯弹性体及其应用 第三版》", 31 January 2006, 化学工业出版社 * |
| 刘益军: "《聚氨酯树脂及其应用》", 31 January 2012, 化学工业出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106543400A (en) * | 2016-08-29 | 2017-03-29 | 山东方鼎安全玻璃科技有限公司 | A kind of TPU materials of high transparency non yellowing |
| CN106832186A (en) * | 2017-01-06 | 2017-06-13 | 陕西科技大学 | One kind mixing diisocyanate type urethane and preparation method thereof |
| CN106750103A (en) * | 2017-02-24 | 2017-05-31 | 耿佃勇 | Polyurethane operation pallet and preparation method thereof |
| CN106750102A (en) * | 2017-02-24 | 2017-05-31 | 耿佃勇 | Polyurethane elastomer stirring set and preparation method thereof |
| CN109535385A (en) * | 2018-11-26 | 2019-03-29 | 新疆天地金阳环保新材料有限公司 | The preparation method of base polyurethane prepolymer for use as, preparation method and environmentally friendly polyureas sports ground surface layer |
| CN109535385B (en) * | 2018-11-26 | 2020-01-17 | 新疆天地金阳环保新材料有限公司 | Polyurethane prepolymer, preparation method thereof and preparation method of environment-friendly polyurea sports ground surface layer |
| CN110712355A (en) * | 2019-10-12 | 2020-01-21 | 东莞市米儿塑胶原料有限公司 | Dynamic manufacturing method of high-light-transmittance yellowing-resistant TPU |
| CN113150232A (en) * | 2021-05-11 | 2021-07-23 | 太原工业学院 | Preparation method of MDI-based high-transparency polyurethane elastomer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105273160B (en) | 2018-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105273160A (en) | Transparent yellowing-resistance polyurethane elastomer and preparation method thereof | |
| JP6993232B2 (en) | Polyurethane | |
| CN102604583B (en) | Steam-resistant solvent-free laminating adhesive and preparation method thereof | |
| RU2591699C2 (en) | Lining and membrane based on mdi from prepolymers, characterised by very low content of free monomeric isocyanates | |
| CN101531861A (en) | Two component spray polyurea waterproof paint and preparation method and construction method of same | |
| CN105308087B (en) | 1 liquid moisture curable polyurethane composition | |
| CN107523205B (en) | A kind of quick-setting underwater shock resistance coating | |
| CA3074424A1 (en) | Urethane acrylate hybrid structure adhesives | |
| CA2555645A1 (en) | Paintable two-component polyurethane sealant | |
| CN108164991B (en) | Polyurethane elastomer composite material for tire filling and preparation method and application thereof | |
| EP3560969B1 (en) | Curable composition | |
| JPS62164713A (en) | Two-stage production of polyurethane and/or polyurea elastomer using chain extender mixture | |
| JP2016509102A (en) | Low gloss, high solid content polyurea coating | |
| AU2014318649B2 (en) | Thixotropic polyol compositions containing dispersed urethane-modified polyisocyanurates | |
| CN108913007A (en) | A kind of greasy dirt mattess oil rub resistance primer resin and its synthetic method | |
| CN106103528A (en) | Come from the block prepolymer of natural oil and there is the acrylic acid acrylic sol composition of described block prepolymer | |
| KR20120052387A (en) | Soft polyurethane foam and manufacturing method therefor | |
| JP6748636B2 (en) | Timepiece member, timepiece, and method for manufacturing timepiece member | |
| Romanov et al. | Polyureas—a new promising class of binders for adhesives, sealants, and coatings | |
| CN104449540B (en) | For PVC film surface polyurethane adhesive compositions | |
| US20130018147A1 (en) | Polyurethane/polyurea spray elastomers | |
| CN107652939B (en) | High-viscosity polyurethane low-hardness adhesive for coiled material and preparation method thereof | |
| US20070032583A1 (en) | Moisture-curable polyurethane composition with improved storage stability and method for preparing the same | |
| TW200918603A (en) | Polyisocyanate mixtures, processes for preparing the same and uses therefore | |
| JP2009520068A (en) | Fast-curing aliphatic RIM elastomer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190624 Address after: 523000 Building No.1, No.11, Jinchuan Second Road, Xiegang Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN JINGLUN INDUSTRIAL Co.,Ltd. Address before: 518000 Main Building of Nord Financial Center, Futian Central District, Fuzhong Third Road, Futian District, Shenzhen City, Guangdong Province 9J Patentee before: SHENZHEN XIANGDONGXING PLASTIC MOLD Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 |