CN105131565A - High-color-fastness thermoplastic polyurethane, thermoplastic polyurethane artificial leather and preparation method of same - Google Patents
High-color-fastness thermoplastic polyurethane, thermoplastic polyurethane artificial leather and preparation method of same Download PDFInfo
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Abstract
The invention provides high-color-fastness thermoplastic polyurethane, thermoplastic polyurethane artificial leather and a preparation method of the same. The high-color-fastness thermoplastic polyurethane is mainly prepared from following raw materials, by weight, 50-80 parts of alicyclic diisocyanate, 35-60 parts of polyester glycol, 5-15 parts of an organic dye containing active hydrogen, 5-10 parts of an amine chain extender, 0.5-2 parts of a crosslinking agent, 0.5-2 parts of a photo-stabilizer, 0.1-0.5 parts of an anti-oxidizing agent and 3-8 parts of a lubricant. The alicyclic diisocyanate is 100-2000 in molecular weight and the polyester glycol is 300-2000 in weight-average molecular weight. The color fastness of the thermoplastic polyurethane is more than fourth grade. The preparation method is simple. The prepared thermoplastic polyurethane artificial leather is excellent in color fastness too and is wide in application range.
Description
Technical field
The invention belongs to technical field of polyurethane elastomer, particularly relate to a kind of high color fastness thermoplastic polyurethane, thermoplastic polyurethane synthetic leather and preparation method thereof.
Background technology
Polyurethane elastomer is the polymer blocks polymkeric substance containing more carbamate groups on a kind of main chain.Polyurethane elastomer normally by polyethers or the polyisocyanates such as polyester polyol and TDI or MDI Reactive Synthesis prepolymer, and then with chainextender reacting generating copolymer.
Polyurethane elastomer is a kind of macromolecule polymeric material between rubber and plastics, has very high intensity and elongation, and its durometer level is wide simultaneously, has good mechanical property, wear resisting property and rebound performance.
Synthetic Leather has the strong outward appearance of soft, the soft kishke feel of gloss, have excellent with base material adhesive property, resistance to wear, the mechanical property of flex endurant, the excellence such as anti-aging, resistance to fungi is good, also possess simultaneously winter hardiness good, can wash, the excellent advantage such as honest and clean of easy to process, price, be the ideal substitute of natural leather, be widely used in the industries such as clothes, shoemaking, case and bag, furniture, physical culture.
Existing Synthetic Leather is typically employed in polyurethane slurry the mode of adding pigment or dyeing and finishing aftertreatment and carries out painted, prepares multicoloured synthetic leather material.But the coloring mode adding pigment often causes synthetic leather colour fastness poor, especially wet friction is faded seriously, and the synthetic leather color fastness of dyeing and finishing process and solvent resistance are not good.
CN104356350A discloses a kind of easy dyeing urethane resin, and this urethane resin is obtained by the raw material of following weight part: molecular weight is polyester glycol 20-40 part of 2000; Molecular weight is polyether glycol 30-50 part of 2000; Molecular weight is amino-contained polyethers 50-150 part of 1000; 1.4-butyleneglycol 15-30 part; Vulcabond 80-105 part; Dimethyl formamide 400-600 part; Butanone 100-200 part.Described urethane resin relies on the polyether glycol in raw material to improve osmotic effect to dyestuff, and relies on amino group to improve the interaction with dyestuff, but infiltration and less with the interaction of dyestuff, the finished product after dyeing, its colour fastness is still not strong, CN1644629A discloses a kind of manufacture method of the aqueous polyurethane dye for coating, fabric, leatheroid, leather: adopt graft reaction technique, dye matrix is accessed on polyurethane molecular chain by the dye matrix (as alcohols, amine dyestuff) containing reactive hydrogen and isocyanate reaction, again by chain extension, crosslinked, side hangs active group, draw the method for hydrophilizing agent, polyurethane chain is introduced cross-linking set, active group and hydrophilic radical, and after making molecular weight enough large, neutralization, emulsification, precipitation is to obtain from curable type aqueous polyurethane dye, the people such as Zhang Yue have studied high color fastness urethane dyestuff (Chinese leather, 3 phases in 2015, the research of high color fastness urethane dyestuff): first with TDI and PPG-1000 for Material synthesis base polyurethane prepolymer for use as, the urethane of terminal isocyanate group is prepared with DMPA chain extension, and with Acid Red B dyestuff, blocking modification process is carried out to it, macromole urethane dyestuff can be obtained, in preparation process, prepolymerization reaction optimum test parameter is n (-OH): n (-NCO)=1:4, adds DMPA chain extension and with dyestuff end-blocking and the total R value of the hierarchy of control is 1.2, the synthesis and characteries of the people such as Wang Chengzhong to colored polyurethane is studied (Beijing University of Chemical Technology's journal, the synthesis and characteries research of colored polyurethane, 37th volume the 4th phase in 2010), adopt 4, 4 ＇-'-diphenylmethane diisocyanate (MDI) and terminal hydroxy group Dyestuff synthesis colored polyurethane: add solvent dimethylformamide (DMF) in flask, add the MDI of metering, Reactint-Black dyestuff and polyether glycol, stirring reaction 2h at 70-75 DEG C, generate performed polymer, add chainextender hexylene glycol, 80 DEG C of reaction 1h, obtain the colored polyurethane of solid content 40%.The different colored polyurethane of dye monomer content is obtained from the ratio of polyether glycol by adjustment dyestuff.
But the colour fastness of the urethane that above method obtains is high not enough, by this urethane for the synthesis of removing from office obtained finished product discolouration phenomena also clearly.
Summary of the invention
The object of the present invention is to provide a kind of high color fastness thermoplastic polyurethane, thermoplastic polyurethane synthetic leather and preparation method thereof, every colour fastness of described thermoplastic polyurethane can reach more than 4 grades, and preparation method is simple, the artificial leather of thermoplastic polyurethane made with it has excellent colour fastness equally, applied range.
For reaching this object, the present invention by the following technical solutions:
On the one hand, the invention provides a kind of high color fastness thermoplastic polyurethane, described thermoplastic polyurethane prepares primarily of following raw material by weight:
Wherein, the molecular weight of described alicyclic diisocyanate is 100-2000, and the weight-average molecular weight of described polyester diol is 300-2000.
Described thermoplastic polyurethane prepares primarily of following raw material by weight: alicyclic diisocyanate 50-80 part, as 55 parts, 60 parts, 62 parts, 65 parts, 68 parts, 70 parts, 72 parts, 75 parts or 78 parts etc.; Polyester diol 35-60 part, as 37 parts, 40 parts, 45 parts, 50 parts, 55 parts or 58 parts etc.; Organic dye 5-15 part containing reactive hydrogen, as 7 parts, 9 parts, 10 parts, 12 parts or 14 parts etc.; Amine chain extender 5-10 part, as 5 parts, 6 parts, 7 parts, 8 parts, 9 parts or 10 parts etc.; Linking agent 0.5-2 part, as 0.8 part, 1 part, 1.2 parts, 1.5 parts or 1.8 parts etc.; Photostabilizer 0.5-2 part, as 0.8 part, 1 part, 1.2 parts, 1.5 parts or 1.8 parts etc.; Oxidation inhibitor 0.1-0.5 part, as 0.2 part, 0.3 part or 0.5 part etc.; Lubricant 3-8 part, as 4 parts, 5 parts, 6 parts, 7 parts or 8 parts etc.Wherein, the molecular weight of described alicyclic diisocyanate is 100-2000, as 200,300,450,600,800,1000,1200,1500,1700 or 1900 etc., the weight average molecular weight of described polyester diol is 300-2000, as 500,700,800,900,1000,1200,1500,1700,1800 or 1900 etc.
As preferred technical scheme, described thermoplastic polyurethane prepares primarily of following raw material by weight:
Present invention also offers a kind of preferred technical scheme, described thermoplastic polyurethane prepares primarily of following raw material by weight:
The molecular weight of described alicyclic diisocyanate is 300-800.
Preferably, the weight average molecular weight of described polyester diol is 500-1000.
The described organic dye containing reactive hydrogen is the combination of any one or at least two kinds in Acid blue B RL, orange base GR, DISPERSE YELLOW M-FL, reactive red KD-G, EX-SF DISPERSE BLUE EX-SF 300 or 63 DISPERSE Violet 63 F.
Described amine chain extender is quadrol, diethyl toluene diamine, N, N-dihydroxyl (di-isopropyl) aniline (HPA), MOCA or DMTDA (3,5-dimethythiotoluene diamine, trade names are E-300) in the combination of any one or at least two kinds.
Preferably, described linking agent is polyvalent alcohol or glycidyl ether.
Preferably, described photostabilizer is UV light absorber.
Preferably, described oxidation inhibitor is antioxidant TNP.
Preferably, described lubricant is paraffin or stearic acid.
On the other hand, present invention also offers the preparation method of thermoplastic polyurethane described above, described preparation method is: by after the mixing of the alicyclic diisocyanate of formula ratio, polyester diol, organic dye containing reactive hydrogen and linking agent at 60-90 DEG C of reaction 4-6h, obtain performed polymer; In performed polymer, add the amine chain extender of formula ratio, continue reaction 2-4h; Adding the photostabilizer of formula ratio, oxidation inhibitor and lubricant again, namely obtaining thermoplastic polyurethane through extruding.
Present invention also offers a kind of thermoplastic polyurethane synthetic leather adopting thermoplastic polyurethane as above to prepare.
Present invention also offers the preparation method of described thermoplastic polyurethane synthetic leather, described preparation method comprises successively and prepares slurry, coating and laminating, and thermoplastic foams and peels off, and described slurry prepares primarily of following raw material by weight:
Described slurry prepares primarily of following raw material by weight: thermoplastic polyurethane 25 ~ 60 parts, as 28 parts, 30 parts, 35 parts, 40 parts, 45 parts, 50 parts, 55 parts or 58 parts etc.; Aqueous Polyurethane Adhesives 10 ~ 30 parts, as 12 parts, 15 parts, 18 parts, 20 parts, 22 parts, 25 parts or 28 parts etc.; Filler 5 ~ 15 parts, as 8 parts, 10 parts, 12 parts, 13 parts or 14 parts etc.; Whipping agent 1 ~ 3 part, as 1 part, 2 parts or 3 parts etc.
The solid content of described Aqueous Polyurethane Adhesives is 20-40%, as 22%, 25%, 27%, 29%, 30%, 32%, 35% or 38% etc.
Described filler is the combination of any one or at least two kinds in light calcium carbonate, wood powder, talcum powder, kaolin or diatomite.
Preferably, described whipping agent is Cellmic C 121.
Compared with prior art, beneficial effect of the present invention is:
Dye molecule can be fixed on the molecular chain of thermoplastic polyurethane by thermoplastic polyurethane provided by the invention, and select alicyclic diisocyanate and the affinity of polyester diol increase to organic dye of specified molecular weight, thus improve the colour fastness of thermoplastic polyurethane, and then improve the colour fastness of thermoplastic polyurethane synthetic leather; Greatly, the elastic polyurethane prepared is large for alicyclic diisocyanate and polyester diol molecular flexibility.Described thermoplastic polyurethane and synthetic leather thereof can be used in automobile, building materials or Industrial materials technical field.
Embodiment
Technical scheme of the present invention is further illustrated below by embodiment.
Embodiment 1
Described thermoplastic polyurethane prepares primarily of following raw material by weight:
Wherein, the molecular weight of described alicyclic diisocyanate is 100-2000; The weight-average molecular weight of described polyester diol is 300-2000; The described organic dye containing reactive hydrogen is Acid blue B RL; Described amine chain extender is quadrol; Described linking agent is glycerol; Described photostabilizer is UV light absorber; Described oxidation inhibitor is antioxidant TNP; Described lubricant is paraffin.
The preparation method of described thermoplastic polyurethane is: the alicyclic diisocyanate of formula ratio, polyester diol, organic dye containing reactive hydrogen and linking agent are joined in reactor and carry out reaction 5h at 60 DEG C; Add amine chain extender wherein, continue reaction 2h; Reacted material, photostabilizer, oxidation inhibitor and lubricant are joined twin screw extruder extrude, granulation, obtain high color fastness thermoplastic polyurethane particle.
The above-mentioned high color fastness thermoplastic polyurethane particle prepared is utilized to prepare thermoplastic polyurethane synthetic leather:
(1) slurry is prepared
Be the Aqueous Polyurethane Adhesives of 40% by the thermoplastic polyurethane of 25 parts of powderies, 30 parts of solid contents, 15 parts of fillers and 1 part of whipping agent add stirring tank mixing, obtain pasty slurry;
(2) coating and laminating
By 380g/m
2applied amounts pasty slurry is coated in separate-type paper, at 100 DEG C, dry 1min form pulp layer, utilize roll-type rigging machine, adopt the method for gap laminating to be fitted on pulp layer by base cloth, dry at 120-150 DEG C after laminating, obtain the Ji Bu fitted with separate-type paper pulp layer;
(3) thermoplastic foaming and stripping
By the Ji Bu fitted with separate-type paper pulp layer, at 150 DEG C, dry 0.5min, transfer to Ji Bushang after making pulp layer plastify foaming, after cooling, separate-type paper is peeled off, obtain thermoplastic polyurethane synthetic leather.
Embodiment 2
Described thermoplastic polyurethane prepares primarily of following raw material by weight:
Wherein, the molecular weight of described alicyclic diisocyanate is 900-1500; The weight-average molecular weight of described polyester diol is 1000-2000; The described organic dye containing reactive hydrogen is DISPERSE YELLOW M-FL; Described amine chain extender is diethyl toluene diamine; Described linking agent is glycidyl ether; Described photostabilizer is UV light absorber; Described oxidation inhibitor is antioxidant TNP; Described lubricant is stearic acid.
The preparation method of described thermoplastic polyurethane is: the alicyclic diisocyanate of formula ratio, polyester diol, organic dye containing reactive hydrogen and linking agent are joined in reactor and carry out reaction 4h at 80 DEG C; Add amine chain extender wherein, continue reaction 3h; Reacted material, photostabilizer, oxidation inhibitor and lubricant are joined twin screw extruder extrude, granulation, obtain high color fastness thermoplastic polyurethane particle.
The above-mentioned high color fastness thermoplastic polyurethane particle prepared is utilized to prepare thermoplastic polyurethane synthetic leather:
(1) slurry is prepared
Be the Aqueous Polyurethane Adhesives of 20% by the thermoplastic polyurethane of 60 parts of powderies, 20 parts of solid contents, 10 parts of fillers and 2 parts of whipping agents add stirring tank mixing, obtain pasty slurry;
(2) coating and laminating
By 380g/m
2applied amounts pasty slurry is coated in separate-type paper, at 100 DEG C, dry 1min form pulp layer, utilize roll-type rigging machine, adopt the method for gap laminating to be fitted on pulp layer by base cloth, dry at 120-150 DEG C after laminating, obtain the Ji Bu fitted with separate-type paper pulp layer;
(3) thermoplastic foaming and stripping
By the Ji Bu fitted with separate-type paper pulp layer, at 150 DEG C, dry 0.5min, transfer to Ji Bushang after making pulp layer plastify foaming, after cooling, separate-type paper is peeled off, obtain thermoplastic polyurethane synthetic leather.
Embodiment 3
Described thermoplastic polyurethane prepares primarily of following raw material by weight:
Wherein, the molecular weight of described alicyclic diisocyanate is 1600-2000; The weight-average molecular weight of described polyester diol is 300-500; The described organic dye containing reactive hydrogen is reactive red KD-G; Described amine chain extender is N, N-dihydroxyl (di-isopropyl) aniline; Described linking agent is glycidyl ether; Described photostabilizer is UV light absorber; Described oxidation inhibitor is antioxidant TNP; Described lubricant is stearic acid.
The preparation method of described thermoplastic polyurethane is: the alicyclic diisocyanate of formula ratio, polyester diol, organic dye containing reactive hydrogen and linking agent are joined in reactor and carry out reaction 6h at 90 DEG C; Add amine chain extender wherein, continue reaction 4h; Reacted material, photostabilizer, oxidation inhibitor and lubricant are joined twin screw extruder extrude, granulation, obtain high color fastness thermoplastic polyurethane particle.
The above-mentioned high color fastness thermoplastic polyurethane particle prepared is utilized to prepare thermoplastic polyurethane synthetic leather:
(1) slurry is prepared
Be the Aqueous Polyurethane Adhesives of 30% by the thermoplastic polyurethane of 45 parts of powderies, 10 parts of solid contents, 5 parts of fillers and 3 parts of whipping agents add stirring tank mixing, obtain pasty slurry;
(2) coating and laminating
By 380g/m
2applied amounts pasty slurry is coated in separate-type paper, at 100 DEG C, dry 1min form pulp layer, utilize roll-type rigging machine, adopt the method for gap laminating to be fitted on pulp layer by base cloth, dry at 120-150 DEG C after laminating, obtain the Ji Bu fitted with separate-type paper pulp layer;
(3) thermoplastic foaming and stripping
By the Ji Bu fitted with separate-type paper pulp layer, at 150 DEG C, dry 0.5min, transfer to Ji Bushang after making pulp layer plastify foaming, after cooling, separate-type paper is peeled off, obtain thermoplastic polyurethane synthetic leather.
Embodiment 4
Described thermoplastic polyurethane prepares primarily of following raw material by weight:
Wherein, the molecular weight of described alicyclic diisocyanate is 100-300; The weight-average molecular weight of described polyester diol is 300-500; The described organic dye containing reactive hydrogen is 63 DISPERSE Violet 63 F; Described amine chain extender is DMTDA (article number is E-300); Described linking agent is glycidyl ether; Described photostabilizer is UV light absorber; Described oxidation inhibitor is antioxidant TNP; Described lubricant is paraffin.
The preparation method of described thermoplastic polyurethane is: the alicyclic diisocyanate of formula ratio, polyester diol, organic dye containing reactive hydrogen and linking agent are joined in reactor and carry out reaction 6h at 90 DEG C; Add amine chain extender wherein, continue reaction 4h; Reacted material, photostabilizer, oxidation inhibitor and lubricant are joined twin screw extruder extrude, granulation, obtain high color fastness thermoplastic polyurethane particle.
The above-mentioned high color fastness thermoplastic polyurethane particle prepared is utilized to prepare thermoplastic polyurethane synthetic leather:
(1) slurry is prepared
Be the Aqueous Polyurethane Adhesives of 30% by the thermoplastic polyurethane of 45 parts of powderies, 10 parts of solid contents, 5 parts of fillers and 3 parts of whipping agents add stirring tank mixing, obtain pasty slurry;
(2) coating and laminating
By 380g/m
2applied amounts pasty slurry is coated in separate-type paper, at 100 DEG C, dry 1min form pulp layer, utilize roll-type rigging machine, adopt the method for gap laminating to be fitted on pulp layer by base cloth, dry at 120-150 DEG C after laminating, obtain the Ji Bu fitted with separate-type paper pulp layer;
(3) thermoplastic foaming and stripping
By the Ji Bu fitted with separate-type paper pulp layer, at 150 DEG C, dry 0.5min, transfer to Ji Bushang after making pulp layer plastify foaming, after cooling, separate-type paper is peeled off, obtain thermoplastic polyurethane synthetic leather.
Comparative example 1
Described comparative example 1 is identical with embodiment 3, and unique difference is alicyclic diisocyanate to replace with aliphatic diisocyanate.
Comparative example 2
Described comparative example 2 is identical with embodiment 3, and unique difference is polyester diol to replace with polyether Glycols.
Comparative example 3
Described comparative example 3 is identical with embodiment 3, and unique difference is that the molecular weight of alicyclic diisocyanate is greater than 2000.
Comparative example 4
Described comparative example 4 is identical with embodiment 3, and unique difference is that the molecular weight of alicyclic diisocyanate is less than 100.
Comparative example 5
Described comparative example 5 is identical with embodiment 3, and unique difference is that the weight-average molecular weight of polyester diol is greater than 2000.
Comparative example 6
Described comparative example 6 is identical with embodiment 3, and unique difference is that the weight-average molecular weight of polyester diol is less than 300.
Comparative example 7
Described comparative example 7 is identical with embodiment 3, and unique difference is that the parts by weight of alicyclic diisocyanate are 45 parts.
Comparative example 8
Described comparative example 8 is identical with embodiment 3, and unique difference is that the parts by weight of alicyclic diisocyanate are 85 parts.
Comparative example 9
Described comparative example 9 is identical with embodiment 3, and unique difference is that the parts by weight of polyester diol are 30 parts.
Comparative example 10
Described comparative example 10 is identical with embodiment 3, and unique difference is that the parts by weight of polyester diol are 65 parts.
Comparative example 11
Described comparative example 11 is identical with embodiment 3, and unique difference is that the parts by weight of amine chain extender are 4 parts.
Comparative example 12
Described comparative example 12 is identical with embodiment 3, and unique difference is that the parts by weight of amine chain extender are 12 parts.
Comparative example 13
Described comparative example 13 is identical with embodiment 3, and unique difference is to use common thermoplastic polyurethane in thermoplastic polyurethane synthetic leather preparation process, and prepare in the process of slurry add 5 parts of solid contents be the aqueous color paste of 25%.
Performance test
To the Washing of the thermoplastic polyurethane synthetic leather that embodiment 1-3 and comparative example 1-13 prepares, colorfastness to rubbing, weathering color fastness and wear resistance, detected result is as shown in table 1.Wherein, Washing, colorfastness to rubbing, weathering color fastness and wear resistance are respectively according to ISO105C06:1994/Cor.2:2002 (E): textiles, and colour fastness is tested, C06 part: the colour fastness of resistance to family and commercial laundering; GB/T3920:2008: textile color stability test colour fastness to rubbing; BSENISO105X11:1996: textile color stability test color fastness to hot pressing and GB/T21196.3-2007 " Martindale used for textiles (Martindale) method is to the mensuration of fabric abrasion resistance the 3rd part: the mensuration of mass loss " measure.
Table 1
| Washing | Colorfastness to rubbing | Weathering color fastness | Wear resistance | |
| Embodiment 1 | 4 | 4 | 4-5 | 600g/550r |
| Embodiment 2 | 4-5 | 5 | 4 | 500g/550r |
| Embodiment 3 | 4-5 | 4 | 4-5 | 550g/550r |
| Embodiment 4 | 4-5 | 5 | 4-5 | 420g/550r |
| Comparative example 1 | 3 | 3-4 | 3 | 800g/550r |
| Comparative example 2 | 3-4 | 3 | 3 | 900g/550r |
| Comparative example 3 | 3 | 4 | 4 | 760g/550r |
| Comparative example 4 | 3-4 | 3 | 4 | 745g/550r |
| Comparative example 5 | 4 | 3 | 3 | 720g/550r |
| Comparative example 6 | 3-4 | 4 | 3 | 730g/550r |
| Comparative example 7 | 4 | 3-4 | 3 | 750g/550r |
| Comparative example 8 | 3-4 | 3 | 2-3 | 820g/550r |
| Comparative example 9 | 2-3 | 3 | 3-4 | 690g/550r |
| Comparative example 10 | 3 | 3 | 2-3 | 810g/550r |
| Comparative example 11 | 3-4 | 4 | 3 | 730g/550r |
| Comparative example 12 | 4 | 3-4 | 3 | 750g/550r |
| Comparative example 13 | 2-3 | 3 | 3-4 | 900g/550r |
As can be seen from Table 1, synthetic leather prepared by thermoplastic polyurethane provided by the invention has excellent colour fastness, and its formula rationally, and raw material is suitable, and the wear resistance of thermoplastic polyurethane is significantly improved.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a high color fastness thermoplastic polyurethane, is characterized in that, described thermoplastic polyurethane prepares primarily of following raw material by weight:
Wherein, the molecular weight of described alicyclic diisocyanate is 100-2000, and the weight-average molecular weight of described polyester diol is 300-2000.
2. thermoplastic polyurethane according to claim 1, is characterized in that, described thermoplastic polyurethane prepares primarily of following raw material by weight:
3. thermoplastic polyurethane according to claim 1 and 2, is characterized in that, described thermoplastic polyurethane prepares primarily of following raw material by weight:
4. according to the thermoplastic polyurethane one of claim 1-3 Suo Shu, it is characterized in that, the molecular weight of described alicyclic diisocyanate is 300-800;
Preferably, the weight-average molecular weight of described polyester diol is 500-1000.
5. according to the thermoplastic polyurethane one of claim 1-4 Suo Shu, it is characterized in that, the described organic dye containing reactive hydrogen is the combination of any one or at least two kinds in Acid blue B RL, orange base GR, DISPERSE YELLOW M-FL, reactive red KD-G, EX-SF DISPERSE BLUE EX-SF 300 or 63 DISPERSE Violet 63 F.
6. according to the thermoplastic polyurethane one of claim 1-5 Suo Shu, it is characterized in that, described amine chain extender is the combination of a kind of in quadrol, diethyl toluene diamine, N, N-dihydroxyl (di-isopropyl) aniline, MOCA or DMTDA or at least two kinds;
Preferably, described linking agent is polyvalent alcohol or glycidyl ether;
Preferably, described photostabilizer is UV light absorber;
Preferably, described oxidation inhibitor is antioxidant TNP;
Preferably, described lubricant is paraffin or stearic acid.
7. according to the preparation method of the thermoplastic polyurethane one of claim 1-6 Suo Shu, it is characterized in that, described preparation method is: by after the mixing of the alicyclic diisocyanate of formula ratio, polyester diol, organic dye containing reactive hydrogen and linking agent at 60-90 DEG C of reaction 4-6h, obtain performed polymer; In performed polymer, add the amine chain extender of formula ratio, continue reaction 2-4h; Adding the photostabilizer of formula ratio, oxidation inhibitor and lubricant again, namely obtaining thermoplastic polyurethane through extruding.
8. the thermoplastic polyurethane synthetic leather adopting the described thermoplastic polyurethane of one of claim 1-6 to prepare.
9. the preparation method of a thermoplastic polyurethane synthetic leather according to claim 8, described preparation method comprises successively and prepares slurry, coating and laminating, and thermoplastic foams and peels off, it is characterized in that, described slurry prepares primarily of following raw material by weight:
10. the preparation method of thermoplastic polyurethane synthetic leather according to claim 9, is characterized in that, the solid content of described Aqueous Polyurethane Adhesives is 20-40%;
Described filler is the combination of any one or at least two kinds in light calcium carbonate, wood powder, talcum powder, kaolin or diatomite;
Preferably, described whipping agent is Cellmic C 121.
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| CN106521985A (en) * | 2016-11-17 | 2017-03-22 | 福建宝利特科技股份有限公司 | High-color-fastness artificial leather and preparation method thereof |
| CN107540806A (en) * | 2016-06-29 | 2018-01-05 | 台湾永光化学工业股份有限公司 | Polyurethane type high molecular ultraviolet absorbent |
| CN109627409A (en) * | 2018-12-20 | 2019-04-16 | 浙江诚迅新材料有限公司 | A kind of aqueous polyurethane, dumb light aqueous polyurethane and preparation method |
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| CN106084733A (en) * | 2016-06-08 | 2016-11-09 | 苏州市雄林新材料科技有限公司 | A kind of TPU film of high color fastness and preparation method thereof |
| CN107540806A (en) * | 2016-06-29 | 2018-01-05 | 台湾永光化学工业股份有限公司 | Polyurethane type high molecular ultraviolet absorbent |
| CN106521985A (en) * | 2016-11-17 | 2017-03-22 | 福建宝利特科技股份有限公司 | High-color-fastness artificial leather and preparation method thereof |
| CN106521985B (en) * | 2016-11-17 | 2018-06-05 | 福建宝利特科技股份有限公司 | A kind of high color fastness artificial leather and preparation method thereof |
| CN109627409A (en) * | 2018-12-20 | 2019-04-16 | 浙江诚迅新材料有限公司 | A kind of aqueous polyurethane, dumb light aqueous polyurethane and preparation method |
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Application publication date: 20151209 |