CN101450988B - Transparent and high elasticity urethane elastomer and preparation method thereof - Google Patents
Transparent and high elasticity urethane elastomer and preparation method thereof Download PDFInfo
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- CN101450988B CN101450988B CN2007101951377A CN200710195137A CN101450988B CN 101450988 B CN101450988 B CN 101450988B CN 2007101951377 A CN2007101951377 A CN 2007101951377A CN 200710195137 A CN200710195137 A CN 200710195137A CN 101450988 B CN101450988 B CN 101450988B
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Abstract
The invention discloses a transparent high-elasticity polyurethane elastomer and a preparation method thereof. The elastomer is mainly prepared from raw material components comprising the following proportion: the weight proportion of a component A to a component B plus a component C is 1:1.4-2.2, wherein the weight proportion of the component B to the component C is 1:0.4-2.0; the component A comprises polyester or polyether polyol mixture; the component B comprises isocyanate prepolymer; and the component C is filler. The preparation method comprises the steps of weighing the components respectively, adding catalyst to the heated melted component A, adding the component A and the catalyst to a charging bucket A of a placer, heating and melting the component B, adding the component C to the component B, well mixing the two, adding the component C and the component B to a charging bucket B of the placer, setting mixing ratio, mixing the component A with the component B plus the component C, entering a subsequent workstage, aging a product and performing curing molding. The elastomer has the advantages of excellent properties and good elasticity.
Description
Technical field:
The present invention relates to a kind of elastic rubber material and preparation method thereof; Relate in particular to a kind of polyurethane elastomer (being called for short DPU) and preparation method thereof.
Background technology:
At present, in the existing technology, following gordian technique item is arranged: product hydrolytic resistance, high tensile power, high-tear strength, product environmental protection, nontoxic etc. in the performance of transparent high-elasticity polyurethane elastomer (PU), can not reach requirement (seeing attached list 1) simultaneously, can't under real industrialized condition, produce practical product.
Subordinate list 1
Summary of the invention:
Can not meet the requirements of technical deficiency simultaneously in order to overcome existing transparent high-elasticity polyurethane elastomer various performance parameters; The purpose of this invention is to provide and a kind ofly be mixed with into transparent high-elasticity polyurethane elastomer of excellent property and preparation method thereof by polyester or polyether glycol mixture, isocyanate prepolymer, softening agent proportioning.
For realizing that the technical scheme that the object of the invention is taked is:
A kind of transparent high-elasticity polyurethane elastomer, it is characterized in that: it is mainly by comprising that following ratio part feed composition is prepared from: the part by weight that component A and B component add component C is 1: 1.4-2.2, wherein, B component and component C part by weight are 1: 0.4-2.0; Comprise polyester or polyether glycol mixture among the component A, and to comprise hexanodioic acid in polyester or the polyether glycol mixture be polyester glycol, polycaprolactone glycol, 1-4 butyleneglycol or 1-2 propylene glycol or 1-6 hexylene glycol or TriMethylolPropane(TMP); B component comprises isocyanate prepolymer, comprises diphenylmethanediisocyanate, polyester polyol, isophorone diisocyanate in the isocyanate prepolymer; Component C is a filler, wherein comprises softening agent.
Described raw material is that the part by weight that following component: component A and B component add component C is 1: 1.5～1.9; Wherein, the part by weight of B component and component C is 1: 1.4-1.8;
The following component that comprises the weight meter in described polyester or the polyether glycol mixture: hexanodioic acid is polyester glycol 45～70, polycaprolactone glycol 18～45,1-4 butyleneglycol or 1-2 propylene glycol or 1-6 hexylene glycol or TriMethylolPropane(TMP) 7～15;
The following component that comprises the weight meter in the described isocyanate prepolymer: diphenylmethanediisocyanate 28～55, polyester polyol 26～45, isophorone diisocyanate 22～42;
The following component that includes the weight meter in the described filler: Dimethoxyethyl phthalate 25～100, auxiliary components 0～75.
Also comprise the look essence among the described component A, the part by weight of described polyester or polyether glycol mixture and look essence is 1000: 0-4;
The following component that includes the weight meter in described polyester or the polyether glycol mixture: hexanodioic acid is polyester glycol 50～68, polycaprolactone glycol 20～40,1-4 butyleneglycol or 1-2 propylene glycol or 1-6 hexylene glycol or TriMethylolPropane(TMP) 8～14, oxidation inhibitor 0.3～0.8, anti-yellow agent 2.0～6.0, hydrolysis agent 0.3～1.0, water-removal agent 0.8～1.5, catalyzer 0.1～0.5, UV light absorber 2.0～5.0;
The following component that includes the weight meter in the described isocyanate prepolymer: diphenylmethanediisocyanate 33～50, polyester polyol 28～43, isophorone diisocyanate 23～40, stopper 0.008～0.016, anti-yellow agent 0.3～0.8;
The following component that includes the weight meter in the described filler: Dimethoxyethyl phthalate 30～100, auxiliary components 70～0.
Described raw material is following component:
The part by weight of described polyester or polyether glycol mixture and look essence is 1000: 1.6～1000: 3.5;
The following component that also includes the weight meter in described polyester or the polyether glycol mixture: oxidation inhibitor 0.4～0.7, anti-yellow agent 2.3～5.0, hydrolysis agent 0.38～0.7, water-removal agent 0.9～1.4, catalyzer 0.1～0.3, UV light absorber 2.5～3.9;
The following component that also includes the weight meter in the described isocyanate prepolymer: stopper 0.009～0.014, anti-yellow agent 0.35～0.7.
Described raw material is that the part by weight that following component: component A and B component add component C is 1: 1.6; Wherein, the part by weight of polyester among the component A or polyether glycol mixture and look essence is 1000: 3.0; The part by weight of B component and component C is 1: 1.45;
The following component that includes the weight meter in described polyester or the polyether glycol mixture: hexanodioic acid is polyester glycol 65, polycaprolactone glycol 26,1-4 butyleneglycol or 1-2 propylene glycol or 1-6 hexylene glycol or TriMethylolPropane(TMP) 7～1513, oxidation inhibitor 0.6, anti-yellow agent 3.9, hydrolysis agent 0.5, water-removal agent 1.2, catalyzer 0.3, UV light absorber 3.8;
The following component that includes the weight meter in the described isocyanate prepolymer: diphenylmethanediisocyanate 36, polyester polyol 33, isophorone diisocyanate 28, stopper 0.01, anti-yellow agent 0.55;
The following component that includes the weight meter in the described filler: Dimethoxyethyl phthalate 36, auxiliary components 64.
Described oxidation inhibitor is butylation hydroxybenzene (BHT, be commonly called as 264, or 1010 or 1076), anti-yellow agent is photostabilizer 770 or photostabilizer 622, the hydrolysis agent is a carbodiimide series, and water-removal agent is a calcium oxide or to Methyl benzenesulfonyl isocyanate, catalyzer is metallic salt catalyzer or Potassium ethanoate or isocaprylic acid zinc, UV light absorber is UV-327 or UV-328 or UV-1164, and stopper is phosphoric acid or hexanodioic acid;
Described auxiliary components is dioctyl phthalate (DOP) or phthalic acid two different certain herbaceous plants with big flowers acid esters.
A kind of transparent high-elasticity method for preparing polyurethane elastic body is characterized in that: may further comprise the steps:
1, the weighting profit requires the described polyester of 1-6 or polyether glycol mixture, isocyanate prepolymer, filler, takes by weighing by weight respectively;
2, polyester or polyether glycol mixture add catalyzer behind heating and melting, and directly add among the batch can A of bottler;
3, filler is added in the isocyanate prepolymer, after thorough mixing is even, promptly add among the batch can B of bottler;
4, on the bottler board, blending ratio is set, polyester or polyether glycol mixture with just enter subsequent process after isocyanate prepolymer and filler mix and carry out product slaking and curing molding.
Described polyester or polyether glycol mixture, isocyanate prepolymer will heat before mixing and melt, and polyester or polyether glycol blended storing temperature are 80 ℃～130 ℃, and the time is 6～10 hours; The storing temperature of isocyanate prepolymer is 80 ℃～130 ℃, and the time is 6～10 hours.
Described in polyester or polyether glycol mixture in accordance with regulations ratio add auxiliary agent and look when smart: after mixing 3～10 minutes with high speed agitator, in time drop among the bottler batch can A, and tight lid, seal, vacuumize and slough moisture content; Auxiliary agent has comprised oxidation inhibitor, anti-yellow agent, hydrolysis agent, water-removal agent, catalyzer, UV light absorber; Filler is added in the isocyanate prepolymer to scale, mix 3～10 minutes with high speed agitator after, in time drop among the batch can B of bottler, and tight lid, seal, vacuumize and slough moisture content.
Described after adding polyester or polyether glycol mixture or isocyanate prepolymer each time, all need to carry out sample test and test piece, measure blending ratio, the rerum natura of testing product is to determine optimum proportion.
The invention has the beneficial effects as follows: various performance parameters can reach requirement simultaneously, excellent property, and good springiness, environment-protecting asepsis, each parameter of performance sees attached list 2.
Embodiment:
The present invention is further detailed explanation below in conjunction with embodiment.
Embodiment 1
Described raw material of the present invention is following component:
The part by weight that component A and B component add component C is 1: 1.4, and wherein, B component and component C part by weight are 1: 0.4.Component A is polyester or polyether glycol mixture, and B component is an isocyanate prepolymer, and component C is a filler.
The following component that comprises the weight meter in described polyester or the polyether glycol mixture: (unit kilogram) hexanodioic acid is polyester glycol 45, polycaprolactone glycol 18,1-4 butyleneglycol or 1-2 propylene glycol or 1-6 hexylene glycol or TriMethylolPropane(TMP) 7.
The following component that comprises the weight meter in the described isocyanate prepolymer: (unit kilogram)
Diphenylmethanediisocyanate 28, polyester polyol 26, isophorone diisocyanate 22.
The following component that includes the weight meter in the described filler: (unit kilogram)
Dimethoxyethyl phthalate (DMEP, softening agent, or KC988) 25, auxiliary components (dioctyl phthalate (DOP), i.e. DOP, or phthalic acid two different certain herbaceous plants with big flowers acid esters, i.e. DIDP) 75.
Preparation method of the present invention is:
1, gets described polyester or polyether glycol mixture, isocyanate prepolymer, filler, take by weighing by weight respectively.
2, polyester or polyether glycol mixture, isocyanate prepolymer will heat before mixing and melt, and polyester or polyether glycol blended storing temperature are 95 ℃, and the time is 6～8 hours; The storing temperature of isocyanate prepolymer is 95 ℃, and the time is 6～8 hours.
3, polyester or polyether glycol mixture add catalyzer behind heating and melting, directly add among the batch can A of bottler, and tight lid, seal, vacuumize and slough moisture content.
4, filler is added in the isocyanate prepolymer, after thorough mixing is even, promptly add among the batch can B of bottler, and tight lid, seal, vacuumize and slough moisture content.
5, on the bottler board blending ratio is set, polyester or polyether glycol mixture mix with isocyanate prepolymer and filler.
6, after adding polyester or polyether glycol mixture or isocyanate prepolymer each time, all need to carry out sample test and test piece, measure blending ratio, the rerum natura of testing product is to determine optimum proportion.
7, detect and just to enter subsequent process after qualified and carry out product slaking and curing molding.
Embodiment 2:
Described raw material of the present invention is following component:
The part by weight that component A and B component add component C is 1: 2.2, and wherein, B component and component C part by weight are 1: 2.0.Component A is polyester or polyether glycol mixture, and B component is an isocyanate prepolymer, and component C is a filler.
The following component that comprises the weight meter in described polyester or the polyether glycol mixture: (unit kilogram) hexanodioic acid is polyester glycol 70, polycaprolactone glycol 45,1-4 butyleneglycol or 1-2 propylene glycol or 1-6 hexylene glycol or TriMethylolPropane(TMP) 15.
The following component that comprises the weight meter in the described isocyanate prepolymer: (unit kilogram)
Diphenylmethanediisocyanate 55, polyester polyol 45, isophorone diisocyanate 42.
The following component that includes the weight meter in the described filler: (unit kilogram)
Dimethoxyethyl phthalate (DMEP, softening agent, or KC988) 100.
The preparation method of present embodiment 2 is with embodiment 1.
Embodiment 3:
Described raw material of the present invention is following component:
The part by weight that component A and B component add component C is 1: 1.6, and wherein, B component and component C part by weight are 1: 1.45.Component A is polyester or polyether glycol mixture, and B component is an isocyanate prepolymer, and component C is a filler.
The following component that comprises the weight meter in described polyester or the polyether glycol mixture: (unit kilogram) hexanodioic acid is polyester glycol 65, polycaprolactone glycol 26,1-4 butyleneglycol or 1-2 propylene glycol or 1-6 hexylene glycol or TriMethylolPropane(TMP) 13.
The following component that comprises the weight meter in the described isocyanate prepolymer: (unit kilogram)
Diphenylmethanediisocyanate 36, polyester polyol 33, isophorone diisocyanate 28.
The following component that includes the weight meter in the described filler: (unit kilogram)
Dimethoxyethyl phthalate (DMEP, softening agent, or KC988) 36, auxiliary components (dioctyl phthalate (DOP), i.e. DOP, or phthalic acid two different certain herbaceous plants with big flowers acid esters, i.e. DIDP) 64.
The preparation method of present embodiment 3 is with embodiment 1.
Embodiment 4:
Described raw material of the present invention is following component:
The part by weight that component A and B component add component C is 1: 1.4, and wherein, B component and component C part by weight are 1: 0.4.Component A is polyester or polyether glycol mixture, and B component is an isocyanate prepolymer, and component C is a filler.
The following component that comprises the weight meter in described polyester or the polyether glycol mixture: (unit kilogram) hexanodioic acid is polyester glycol 45, polycaprolactone glycol 18,1-4 butyleneglycol or 1-2 propylene glycol or 1-6 hexylene glycol or TriMethylolPropane(TMP) 7, oxidation inhibitor 0.3, anti-yellow agent 2.0, hydrolysis agent 0.3, catalyzer 0.1, UV light absorber 2.0.The part by weight of described polyester or polyether glycol mixture and look essence is 1000: 0.
The following component that comprises the weight meter in the described isocyanate prepolymer: (unit kilogram)
Diphenylmethanediisocyanate 28, polyester polyol 26, isophorone diisocyanate 22, stopper 0.008, anti-yellow agent 0.3.
The following component that includes the weight meter in the described filler: (unit kilogram)
Dimethoxyethyl phthalate (DMEP, softening agent, or KC988) 25, auxiliary components (dioctyl phthalate (DOP), i.e. DOP, or phthalic acid two different certain herbaceous plants with big flowers acid esters, i.e. DIDP) 75.
Described oxidation inhibitor is butylation hydroxybenzene (BHT, be commonly called as 264, or 1010 or 1076), anti-yellow agent is photostabilizer 770 or photostabilizer 622, the hydrolysis agent is a carbodiimide series, and water-removal agent is a calcium oxide or to Methyl benzenesulfonyl isocyanate, catalyzer is metallic salt catalyzer or Potassium ethanoate or isocaprylic acid zinc, UV light absorber is UV-327 or UV-328 or UV-1164, and stopper is phosphoric acid or hexanodioic acid.
Preparation method of the present invention is:
1, gets described polyester or polyether glycol mixture, isocyanate prepolymer, filler, take by weighing by weight respectively.
2, polyester or polyether glycol mixture, isocyanate prepolymer will heat before mixing and melt, and polyester or polyether glycol blended storing temperature are 95 ℃, and the time is 6～8 hours; The storing temperature of isocyanate prepolymer is 95 ℃, and the time is 6～8 hours.
3, polyester or polyether glycol mixture are behind heating and melting, in polyester or polyether glycol mixture, add auxiliary agent and look essence and catalyzer (metallic salt catalyzer) to scale, after mixing 3～6 minutes with high speed agitator, in time drop among the bottler batch can A, and tight lid, seal, vacuumize and slough moisture content; Auxiliary agent has comprised oxidation inhibitor, anti-yellow agent, hydrolysis agent, catalyzer, UV light absorber.
4, isocyanate prepolymer is behind heating and melting, and filler, auxiliary agent ratio in accordance with regulations is added in the isocyanate prepolymer, mix 3～6 minutes with high speed agitator after, in time drop among the batch can B of bottler, and tight lid, seal, vacuumize and slough moisture content; Auxiliary agent is stopper, anti-yellow agent, and filler is DMEP, auxiliary components.
5, on the bottler board blending ratio is set, polyester or polyether glycol mixture mix with isocyanate prepolymer and filler.
6, after adding polyester or polyether glycol mixture or isocyanate prepolymer each time, all need to carry out sample test and test piece, measure blending ratio, the rerum natura of testing product is to determine optimum proportion.
7, detect and just to enter subsequent process after qualified and carry out product slaking and curing molding.
Embodiment 5:
Described raw material of the present invention is following component:
The part by weight that component A and B component add component C is 1: 2.2, and wherein, B component and component C part by weight are 1: 2.0.Component A is polyester or polyether glycol mixture, and B component is an isocyanate prepolymer, and component C is a filler.The part by weight of described polyester or polyether glycol mixture and look essence is 1000: 4.
The following component that comprises the weight meter in described polyester or the polyether glycol mixture: (unit kilogram) hexanodioic acid is polyester glycol 70, polycaprolactone glycol 45,1-4 butyleneglycol or 1-2 propylene glycol or 1-6 hexylene glycol or TriMethylolPropane(TMP) 15, oxidation inhibitor 0.8, anti-yellow agent 6.0, hydrolysis agent 1.0, catalyzer 0.5, UV light absorber 5.0.
The following component that comprises the weight meter in the described isocyanate prepolymer: (unit kilogram)
Diphenylmethanediisocyanate 55, polyester polyol 45, isophorone diisocyanate 42, stopper 0.016, anti-yellow agent 0.8.
The following component that includes the weight meter in the described filler: (unit kilogram)
Dimethoxyethyl phthalate (DMEP, softening agent, or KC988) 100.
Described oxidation inhibitor is the butylation hydroxybenzene, anti-yellow agent is photostabilizer 770 or photostabilizer 622, the hydrolysis agent is a carbodiimide, water-removal agent is a calcium oxide or to Methyl benzenesulfonyl isocyanate, catalyzer is metallic salt catalyzer or Potassium ethanoate or isocaprylic acid zinc, UV light absorber is UV-327 or UV-328 or UV-1164, and stopper is phosphoric acid or hexanodioic acid.
The preparation method of present embodiment 5 is with embodiment 4.
Embodiment 6:
Described raw material of the present invention is following component:
The part by weight that component A and B component add component C is 1: 1.6, and wherein, B component and component C part by weight are 1: 1.45.Component A is polyester or polyether glycol mixture, and B component is an isocyanate prepolymer, and component C is a filler.The part by weight of described polyester or polyether glycol mixture and look essence is 1000: 3.0.
The following component that comprises the weight meter in described polyester or the polyether glycol mixture: (unit kilogram) hexanodioic acid is polyester glycol 65, polycaprolactone glycol 26,1-4 butyleneglycol or 1-2 propylene glycol or 1-6 hexylene glycol or TriMethylolPropane(TMP) 13, oxidation inhibitor 0.6, anti-yellow agent 3.9, hydrolysis agent 0.5, catalyzer 0.3, UV light absorber 3.8.
The following component that comprises the weight meter in the described isocyanate prepolymer: (unit kilogram)
Diphenylmethanediisocyanate 36, polyester polyol 33, isophorone diisocyanate 28, stopper 0.01, anti-yellow agent 0.55.
The following component that includes the weight meter in the described filler: (unit kilogram)
Dimethoxyethyl phthalate (DMEP, softening agent, or KC988) 36, auxiliary components (dioctyl phthalate (DOP), i.e. DOP, or phthalic acid two different certain herbaceous plants with big flowers acid esters, i.e. DIDP) 64.
Described oxidation inhibitor is the butylation hydroxybenzene, anti-yellow agent is photostabilizer 770 or photostabilizer 622, the hydrolysis agent is a carbodiimide, water-removal agent is a calcium oxide or to Methyl benzenesulfonyl isocyanate, catalyzer is metallic salt catalyzer or Potassium ethanoate or isocaprylic acid zinc, UV light absorber is UV-327 or UV-328 or UV-1164, and stopper is phosphoric acid or hexanodioic acid.
The preparation method of present embodiment 6 is with embodiment 4.
Embodiment 4～6 is the DPU raw material of footwear material raw material.
The property of raw material parameter such as the table 2 of technology of the present invention:
Table 2
Wherein DPU-30-A is polyester or polyether glycol mixture, and DPU-30-B is pure isocyanate prepolymer, and DPU-30-C is a softening agent.
The technical parameter such as the table 3 of technology of the present invention:
Table 3
| Technology | Data parameters |
| The raw material storing temperature, the time | 100 ℃, 6-8 hour |
| The raw material production temperature | 70-90℃ |
| Die temperature | 50-60℃ |
| Demould time | 8-13 minute |
| Raw material working lipe | ＜12 hours |
| Pressure range | ±0.5MPA |
| Blending ratio B/A | 140-220/100 |
| Stir speed (S.S.) | ＞3600 |
The detection method of product of the present invention and detected result such as table 4:
Table 4
| Test event | Testing method | Physical parameter before the hydrolysis | Physical parameter after the hydrolysis |
| The infiltration firmness | FT-02 | 5 | ----------- |
| The xanthochromia test | FT-11 | ＞3 | ----------- |
| Colour-change after the hydrolysis | GE-08 | ------- | ＞3 |
| Decompose test after the hydrolysis | GE-08 | ------- | Do not disintegrate |
| Hardness (℃) | GE-09 | 20-70 | 。。。。 |
| Elastic recoil test (%) | GE-12 | 0-70 | ------ |
| Compression set test (%) | GE-13 | 5-10 | ----- |
| Density measurement (g/cc) | GE-15 | 1.10-1.12 | 1.10-1.12 |
| Tear (N/mm) | ST-02 | 3.0-6.0 | ＞2.4 |
| Tensile test (MPa) | ST-03 | 5.0-15.0 | ＞3.5 |
| Tension set (%) | ST-03 | ＞750 | ＞800 |
Annotate:
1, cooperation ratio is based on best proportioning value, and this proportioning value can be with change different with addition of look essence, auxiliary agent kind of adding.
2, demould time can change according to the difference of temperature.
3, demould time can prolong with the increase of moulding product thickness.
4, table 1, table 4 data are the data that obtain by the testing method of ADIDAS and national standard method.
Claims (10)
1. transparent high-elasticity polyurethane elastomer, it is characterized in that: it is mainly by comprising that following ratio part feed composition is prepared from: the part by weight that component A and B component add component C is 1: 1.4-2.2, wherein, B component and component C part by weight are 1: 0.4-2.0; Comprise polyester or polyether glycol mixture among the component A, and to comprise hexanodioic acid in polyester or the polyether glycol mixture be polyester glycol, polycaprolactone glycol, 1-4 butyleneglycol or 1-2 propylene glycol or 1-6 hexylene glycol or TriMethylolPropane(TMP); B component comprises isocyanate prepolymer, comprises diphenylmethanediisocyanate, polyester polyol, isophorone diisocyanate in the isocyanate prepolymer; Component C is a filler, wherein comprises softening agent.
2. a kind of transparent high-elasticity polyurethane elastomer according to claim 1 is characterized by: described raw material is that the part by weight that following component: component A and B component add component C is 1: 1.5～1.9; Wherein, the part by weight of B component and component C is 1: 1.4-1.8;
The following component that comprises the weight meter in described polyester or the polyether glycol mixture: hexanodioic acid is polyester glycol 45～70, polycaprolactone glycol 18～45,1-4 butyleneglycol or 1-2 propylene glycol or 1-6 hexylene glycol or TriMethylolPropane(TMP) 7～15;
The following component that comprises the weight meter in the described isocyanate prepolymer: diphenylmethanediisocyanate 28～55, polyester polyol 26～45, isophorone diisocyanate 22～42;
The following component that includes the weight meter in the described filler: Dimethoxyethyl phthalate 25～100, auxiliary components 0～75.
3. a kind of transparent high-elasticity polyurethane elastomer according to claim 2 is characterized by:
Also comprise the look essence among the described component A, the part by weight of described polyester or polyether glycol mixture and look essence is 1000: 0-4;
The following component that includes the weight meter in described polyester or the polyether glycol mixture: hexanodioic acid is polyester glycol 50～68, polycaprolactone glycol 20～40,1-4 butyleneglycol or 1-2 propylene glycol or 1-6 hexylene glycol or TriMethylolPropane(TMP) 8～14, oxidation inhibitor 0.3～0.8, anti-yellow agent 2.0～6.0, hydrolysis agent 0.3～1.0, water-removal agent 0.8～1.5, catalyzer 0.1～0.5, UV light absorber 2.0～5.0;
The following component that includes the weight meter in the described isocyanate prepolymer: diphenylmethanediisocyanate 33～50, polyester polyol 28～43, isophorone diisocyanate 23～40, stopper 0.008～0.016, anti-yellow agent 0.3～0.8;
The following component that includes the weight meter in the described filler: Dimethoxyethyl phthalate 30～100, auxiliary components 70～0.
4. a kind of transparent high-elasticity polyurethane elastomer according to claim 3 is characterized by: described raw material is following component:
The part by weight of described polyester or polyether glycol mixture and look essence is 1000: 1.6～1000: 3.5;
The following component that also includes the weight meter in described polyester or the polyether glycol mixture: oxidation inhibitor 0.4～0.7, anti-yellow agent 2.3～5.0, hydrolysis agent 0.38～0.7, water-removal agent 0.9～1.4, catalyzer 0.1～0.3, UV light absorber 2.5～3.9;
The following component that also includes the weight meter in the described isocyanate prepolymer: stopper 0.009～0.014, anti-yellow agent 0.35～0.7.
5. according to claim 1 or 2 or 3 or 4 described a kind of transparent high-elasticity polyurethane elastomers, it is characterized by: described raw material is that the part by weight that following component: component A and B component add component C is 1: 1.6; Wherein, the part by weight of polyester among the component A or polyether glycol mixture and look essence is 1000: 3.0; The part by weight of B component and component C is 1: 1.45;
The following component that includes the weight meter in described polyester or the polyether glycol mixture: hexanodioic acid is polyester glycol 65, polycaprolactone glycol 26,1-4 butyleneglycol or 1-2 propylene glycol or 1-6 hexylene glycol or TriMethylolPropane(TMP) 13, oxidation inhibitor 0.6, anti-yellow agent 3.9, hydrolysis agent 0.5, water-removal agent 1.2, catalyzer 0.3, UV light absorber 3.8;
The following component that includes the weight meter in the described isocyanate prepolymer: diphenylmethanediisocyanate 36, polyester polyol 33, isophorone diisocyanate 28, stopper 0.01, anti-yellow agent 0.55;
The following component that includes the weight meter in the described filler: Dimethoxyethyl phthalate 36, auxiliary components 64.
6. according to claim 3 or 4 described a kind of transparent high-elasticity polyurethane elastomers, it is characterized by:
Described oxidation inhibitor is the butylation hydroxybenzene, anti-yellow agent is photostabilizer 770 or photostabilizer 622, the hydrolysis agent is a carbodiimide, water-removal agent is a calcium oxide or to Methyl benzenesulfonyl isocyanate, catalyzer is metallic salt catalyzer or Potassium ethanoate or isocaprylic acid zinc, UV light absorber is UV-327 or UV-328 or UV-1164, and stopper is phosphoric acid or hexanodioic acid;
Described auxiliary components is dioctyl phthalate (DOP) or phthalic acid two different certain herbaceous plants with big flowers acid esters.
7. transparent high-elasticity method for preparing polyurethane elastic body is characterized in that: may further comprise the steps:
[1], the weighting profit requires described any one polyester of 1-6 or polyether glycol mixture, isocyanate prepolymer, filler, take by weighing by weight respectively;
[2], polyester or polyether glycol mixture add catalyzer, and directly add among the batch can A of bottler behind heating and melting;
[3], filler is added in the isocyanate prepolymer, thorough mixing evenly after, promptly add among the batch can B of bottler;
[4], on the bottler board, blending ratio is set, polyester or polyether glycol mixture with just enter subsequent process after isocyanate prepolymer and filler mix and carry out product slaking and curing molding.
8. a kind of transparent high-elasticity method for preparing polyurethane elastic body according to claim 7, it is characterized by: described polyester or polyether glycol mixture, isocyanate prepolymer will heat before mixing and melt, polyester or polyether glycol blended storing temperature are 80 ℃～130 ℃, and the time is 6～10 hours; The storing temperature of isocyanate prepolymer is 80 ℃～130 ℃, and the time is 6～10 hours.
9. a kind of transparent high-elasticity method for preparing polyurethane elastic body according to claim 7, it is characterized by: in accordance with regulations ratio adds auxiliary agent and look when smart in polyester or polyether glycol mixture: after mixing 3～10 minutes with high speed agitator, in time drop among the bottler batch can A, and tight lid, seal, vacuumize and slough moisture content; Auxiliary agent has comprised oxidation inhibitor, anti-yellow agent, hydrolysis agent, water-removal agent, catalyzer, UV light absorber; Filler is added in the isocyanate prepolymer to scale, mix 3～10 minutes with high speed agitator after, in time drop among the batch can B of bottler, and tight lid, seal, vacuumize and slough moisture content.
10. a kind of transparent high-elasticity method for preparing polyurethane elastic body according to claim 7, it is characterized by: after adding polyester or polyether glycol mixture or isocyanate prepolymer each time, all need to carry out sample test and test piece, measure blending ratio, the rerum natura of testing product is to determine optimum proportion.
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| CN102585146B (en) * | 2011-12-23 | 2013-11-13 | 山东东大一诺威聚氨酯有限公司 | Polyurethane cushion |
| CN103524705B (en) * | 2013-10-29 | 2015-11-18 | 广东石油化工学院 | A kind of method for preparing polyurethane elastic body |
| 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 |
| CN105622882A (en) * | 2016-02-04 | 2016-06-01 | 福州美创美工艺品有限公司 | Light-permeable polyurethane artificial material manufacturing method and light-permeable polyurethane artificial material manufacturing composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1809604A (en) * | 2003-05-28 | 2006-07-26 | 日本聚氨酯工业株式会社 | Keypad made from thermoplastic polyurethane resin and method for forming thereof |
| WO2007041049A1 (en) * | 2005-09-30 | 2007-04-12 | Dow Global Technologies Inc. | Thermoplastic polyurethane containing structural units of polyester and polyether diols |
| CN101039976A (en) * | 2004-10-21 | 2007-09-19 | 陶氏环球技术公司 | Polyurethane elastomer of high clarity |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1809604A (en) * | 2003-05-28 | 2006-07-26 | 日本聚氨酯工业株式会社 | Keypad made from thermoplastic polyurethane resin and method for forming thereof |
| CN101039976A (en) * | 2004-10-21 | 2007-09-19 | 陶氏环球技术公司 | Polyurethane elastomer of high clarity |
| WO2007041049A1 (en) * | 2005-09-30 | 2007-04-12 | Dow Global Technologies Inc. | Thermoplastic polyurethane containing structural units of polyester and polyether diols |
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