CN106189802B - A kind of solvent-free high non-yellow stain polyurethane mirror surface resin and preparation method thereof thoroughly of UV solidification - Google Patents
A kind of solvent-free high non-yellow stain polyurethane mirror surface resin and preparation method thereof thoroughly of UV solidification Download PDFInfo
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- CN106189802B CN106189802B CN201610547032.2A CN201610547032A CN106189802B CN 106189802 B CN106189802 B CN 106189802B CN 201610547032 A CN201610547032 A CN 201610547032A CN 106189802 B CN106189802 B CN 106189802B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/671—Unsaturated compounds having only one group containing active hydrogen
- C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/042—Acrylic polymers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
Abstract
The invention discloses a kind of solvent-free high non-yellow stain polyurethane mirror surface resins thoroughly of UV solidification, belong to mirror surface leather technical field comprising the component of following mass percent is made: two degree of functionality polyurethane 20.5-40.6%, trifunctional reactive diluent 25.0-35.0%, two functional group reactive diluent 30.8-47.6%, photoinitiator 1.0-5.0%, levelling agent 0.1-0.4% and defoaming agent 0.1-0.4%.A kind of UV of the invention solidifies the environment-friendly polyurethane mirror surface resin that solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly is entirely free of any organic solvent, and physical property is more than dry method veneer and moisture-curable mirror surface, and production efficiency is high, can be formed with instantaneous solidification；The process synthesis of preparation method of the invention is a kind of solventfree resin, in process of production without any organic solvent emission, without any organic solvent in the solvent-free mirror surface leather of gained, VOC content is extremely low, tie layer resins are not necessarily to using a cutter painting coating process, reduce the technological process of production, reduces production and cost of material, and without any organic solvent emission.
Description
Technical field
The invention belongs to mirror surface leather technical fields, and in particular to a kind of solvent-free high non-yellow stain polyurethane mirror surface thoroughly of UV solidification
Resin and preparation method thereof.
Background technique
With the increasingly raising of our people's living standard, demand of the people to the consumer goods is more and more wider, therefore high transparency
High performance luggage, shoes demand are increasing.
Traditional mirror surface leather mainly by two ways prepare, one kind is exactly dry method veneer, by solvent type slurry scratch in
Above mirror surface paper, dry out solvent uses solvent type bottom material to be bonded bass again, which largely uses the poisonous and harmful solvent such as DMF.Phase
Than with mirror surface leather is done by dry method veneer, the resulting mirror surface leather planarization of moisture-curable and brightness will be higher by very much, therefore high
The mirror surface leather at end, which is substantially through moisture-curable, to be prepared, but the production process environment of moisture-curable is very severe, and
And efficiency is extremely low, preparation method is by showering to leather surface, standing makes solvent natural after the dilution of solvent type slurry increasing amount solvent
Volatilization, 90% solvent are evaporate into air, need the cool system of room temperature 24 hours, and production process needs dedusting, it is necessary to and it is closed,
It cannot divulge information, operator be injured and its huge, simultaneously because entire space is full of inflammable and explosive solvent, therefore risk
Also greatly, in addition from being to react solidification with water by isocyanates due to moisture-curable product, product resistance to low temperature is poor,
The product that shoes etc. require low temperature complications can not be done.Therefore in today of people's growing interest health and environmental protection, one kind is developed
Solvent-free height without any organic solvent, pollution-free, high efficiency, low energy consumption and physical properties excellent is thoroughly without xanthochromia mirror surface leather tree
Rouge is very significant.
Resin is coated in base fabric by UV curing method in the prior art to be solidified, then carries out veneer with water-base resin, is had
There is the features such as curing efficiency is high, environmental-friendly, low energy consumption, but does not simply fail to accomplish high lens using the method for water-base resin veneer
Upper leather effect, and increase energy consumption and cost.
Summary of the invention
Goal of the invention: the purpose of the present invention is to provide a kind of solvent-free high non-yellow stain polyurethane mirror surface resins thoroughly of UV solidification
It is entirely free of the environment-friendly polyurethane mirror surface resin of any organic solvent, physical property is more than dry method veneer and moisture-curable mirror
Face, production efficiency is high, can be formed with instantaneous solidification.It is a further object of the present invention to provide the preparation methods of the resin.
Technical solution: for achieving the above object, the present invention adopts the following technical scheme:
A kind of solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly of UV solidification, includes the following components'mass percentage system
At: two degree of functionality polyurethane 20.5-40.6%, trifunctional reactive diluent 25.0-35.0%, two functional group's reactive diluents
30.8-47.6%, photoinitiator 1.0-5.0%, levelling agent 0.1-0.4% and defoaming agent 0.1-0.4%；Wherein, described two
Degree of functionality polyurethane, which includes the following components'mass percentage, to be made: polycaprolactone diols 22.8-52.6%, aliphatic isocyanide
Acid esters 26.5-58.5%, catalyst 0.01-0.03%, hydroxy acrylate 15.0-25.0% and polymerization inhibitor 0.3-1.0%.
The polycaprolactone diols is selected from Capa 2054, Capa 2043, PCL 205, PCL 205U and PCLL
Any one or the combination of several of them in 205AL.
Aliphatic isocyanates any one or the combination of several of them in IPDI, H12MDI and HDI.
The catalyst is selected from TEGOKAT 722, TEGOCAT 716, BICAT 8108, BICAT 8220, Borchi
Any one or the combination of several of them in Kat24, Borchi Kat243 and BicatZ.
The hydroxy acrylate is selected from hydroxy-ethyl acrylate, hydroxypropyl acrylate, hydroxyethyl methacrylate and first
Any one or the combination of several of them in base hydroxypropyl acrylate.
The polymerization inhibitor is in p-hydroxyanisole, di-t-butyl hydroquinone, 2,5- di-tert-butyl hydroquinone
Any one or the combination of several of them.
The photoinitiator is Darocur-1173 and/or Irgacure 184.
The levelling agent be selected from BYK-UV3510, BYK-UV3500, TEGO Flow300, TEGO Rad 2200N and
Any one or the combination of several of them in TEGO Rad 2100.
The trifunctional reactive diluent is ethoxylated trimethylolpropane triacrylate；Two functions
Group's reactive diluent is selected from 1,6 hexanediyl esters, neopentylglycol diacrylate and tripropylene glycol diacrylate
Any one or the combination of several of them.
Defoaming agent any one or the combination of several of them in BYK1790, BYK056A and BYK066N.
The method that the preparation UV solidifies solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly includes the following steps:
1) two degree of functionality polyurethane are prepared
Aliphatic isocyanates are put into reaction kettle, are warming up to 60-65 DEG C, polycaprolactone diols is added dropwise, is added dropwise
After put into catalyst, 65-70 DEG C keeps the temperature 2 hours, measurement nco value lower than 0.2% after investment polymerization inhibitor be warming up to 80-85 DEG C of addition
Hydroxy acrylate adds catalyst after being added dropwise, 80-85 DEG C keeps the temperature 3 hours, after detection NCO is qualified, cooling packaging；
2) the solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly of preparation UV solidification
By two degree of functionality polyurethane, two degree of functionality reactive diluents, three-functionality-degree reactive diluent, levelling agent, defoaming agent
It mixes in proportion, then deaeration, packs.
The utility model has the advantages that compared with prior art, a kind of solvent-free high non-yellow stain polyurethane mirror surface thoroughly of UV solidification of the invention
Resin largely has the acrylic resin of double bond by introducing on polyurethane resin molecule segment, so that product has propylene
The crystalistic sense of acid has the flexibility of polyurethane again, and cunning is done on surface and resistance to low temperature is good, and it is low to overcome moisture-curable mirror surface leather
Temperature flexibility difference cannot be used for the defect in collar domain；Solidify using UV, since free radical polymerization is very rapid, product coating
Several seconds curing moldings after ultraviolet lighting, the method for production efficiency far super dry method veneer and moisture-curable, additionally, due to solidification
Rapidly, the humidity of workshop and dust removing effects are required also low；The process synthesis of preparation method of the invention is a kind of nothing
Solvent Resin, in process of production without any organic solvent emission, without any organic solvent, VOC in the solvent-free mirror surface leather of gained
Content is extremely low, using a cutter painting coating process be not necessarily to tie layer resins, reduce the technological process of production, reduce production and raw material at
This, and without any organic solvent emission.
Specific embodiment
With reference to embodiment, the present invention is furture elucidated.
Solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly, first synthesizes two degree of functionality polyurethane, then synthesized mirror resin.Two
Degree of functionality polyurethane includes the following components'mass percentage: polycaprolactone diols 22.8-52.6%, aliphatic isocyanates
26.5-58.5%, catalyst 0.01-0.03%, hydroxy acrylate 15.0-25.0% and polymerization inhibitor 0.3-1.0%.
Mirror surface resin includes the following components'mass percentage: two degree of functionality polyurethane 20.5-40.6%, trifunctional are living
Property diluent 25.0-35.0%, two functional group reactive diluent 30.8-47.6%, photoinitiator 1.0-5.0%, levelling agent
0.1-0.4% and defoaming agent 0.1-0.4%.
Polycaprolactone diols is in Capa 2054, Capa 2043, PCL 205, PCL 205U and PCLL 205AL
Any one or the combination of several of them.
Aliphatic isocyanates are selected from that IPDI (isophorone and isocyanates), (hydrogenated diphenyl methane two is different by H12MDI
Cyanate) and HDI (hexamethylene diisocyanate) in any one or the combination of several of them.
Catalyst be selected from TEGOKAT 722, TEGOCAT 716, BICAT 8108, BICAT 8220, Borchi Kat24,
Any one or the combination of several of them in Borchi Kat243 and BicatZ.
Hydroxy acrylate is selected from hydroxy-ethyl acrylate, hydroxypropyl acrylate, hydroxyethyl methacrylate and metering system
Any one or the combination of several of them in sour hydroxypropyl acrylate.
Polymerization inhibitor is any one in p-hydroxyanisole, di-t-butyl hydroquinone, 2,5- di-tert-butyl hydroquinone
Kind or several combinations.
Photoinitiator is Darocur-1173 and/or Irgacure 184.
Levelling agent is selected from BYK-UV3510, BYK-UV3500, TEGO Flow300, TEGO Rad 2200N and TEGO Rad
Any one or the combination of several of them in 2100.
Trifunctional reactive diluent is ethoxylated trimethylolpropane triacrylate (TMPTA).
Two functional group's reactive diluents are selected from 1,6 hexanediyl esters (HDDA), neopentylglycol diacrylate
(NPGDA) any one or the combination of several of them and in tripropylene glycol diacrylate (TPGDA).Defoaming agent be selected from BYK1790,
Any one or the combination of several of them in BYK056A and BYK066N.
A kind of solvent-free high non-yellow stain polyurethane mirror surface process for preparing resins thoroughly of UV solidification, includes following steps:
1) prepared by two degree of functionality polyurethane:
Aliphatic isocyanates are put into reaction kettle, are warming up to 60-65 DEG C, polycaprolactone diols is added dropwise, is added dropwise
After put into catalyst, 65-70 DEG C keeps the temperature 2 hours, measures NCO (isocyanate group in chemical material) value, puts into polymerization inhibitor after qualified
Agent is warming up to 80-85 DEG C of addition hydroxy acrylate, and catalyst is added after being added dropwise, and 80-85 DEG C keeps the temperature 3 hours, detects NCO
After qualification, cooling packaging；
2) solvent-free mirror surface resin preparation:
By two degree of functionality polyurethane, two degree of functionality reactive diluents, three-functionality-degree reactive diluent, levelling agent, defoaming agent
It mixes in proportion, then deaeration, packs；
3) solid by UV light in use, solvent-free mirror surface resin is scratched 0.1mm-0.3mm on the plain weave leather for posting face
Solvent-free high non-yellow stain polyurethane mirror surface leather thoroughly can be obtained in the solidification of change machine.
Embodiment 1
The preparation of two degree of functionality polyurethane: putting into reaction kettle for 301g aliphatic isocyanates IPDI, be warming up to 60-65 DEG C,
516g polycaprolactone diols Capa2054 is added dropwise, 0.1g catalyst TEGOKAT 722,65-70 DEG C of guarantor are put into after being added dropwise
Temperature 2 hours, measure nco value, lower than 0.5% after investment polymerization inhibitor hydroxyanisol 6g be warming up to 80-85 DEG C of addition 184g propylene
Sour hydroxyl ethyl ester adds 0.2g catalyst TEGOKAT 722 after being added dropwise, 80-85 DEG C keeps the temperature 3 hours, and detection nco value is lower than
0.2%, cooling packaging.
Solvent-free mirror surface resin preparation: by two degree of functionality polyurethane 222g, two degree of functionality reactive diluent neopentyl glycols two
Acrylate (NPGDA) 278g, three-functionality-degree reactive diluent ethoxylated trimethylolpropane triacrylate (TMPTA)
456g, initiator Darocur-1173 40g, levelling agent BYK-UV3500 2g, defoaming agent BYK066N 2g are uniformly mixed, then take off
Bubble, packaging.
Solvent-free mirror surface resin is scratched into 0.1mm-0.3mm on the plain weave leather for posting face by resulting, it is solid by UV light
The solidification of change machine.Resulting solvent-free height is thoroughly high without xanthochromia mirror surface leather production efficiency, is free of any organic solvent, and physical property is complete
Entirely up to mirror surface leather requirement, especially low temperature flexibility can achieve -10 DEG C, not rupture for 100,000 times；120 degree of heat-resisting post yellowings for 24 hours
Grade is more than level Four；Color inhibition test for 24 hours is more than level Four.
Embodiment 2
The preparation of two degree of functionality polyurethane: 375g aliphatic isocyanates H12MDI is put into reaction kettle, is warming up to 60-65
DEG C, 425g polycaprolactone diols Capa 2043 is added dropwise, 0.1g catalyst TEGOCAT 716,65-70 is put into after being added dropwise
DEG C heat preservation 2 hours, measure nco value less than 0.5% after investment polymerization inhibitor di-t-butyl hydroquinone 6g be warming up to 80-85 DEG C plus
Enter 200g hydroxypropyl acrylate, 0.2g catalyst TEGOCAT 716 is added after being added dropwise, 80-85 DEG C keeps the temperature 3 hours, detection
Nco value is lower than 0.2%, cooling packaging.
Solvent-free mirror surface resin preparation: by two degree of functionality polyurethane 306g, two degree of functionality reactive diluent neopentyl glycols two
Acrylate (NPGDA) 295g, three-functionality-degree reactive diluent ethoxylated trimethylolpropane triacrylate (TMPTA)
355g, initiator Darocur-1173 40g, levelling agent BYK-UV3510 2g, defoaming agent BYK1790 2g are uniformly mixed, then take off
Bubble, packaging.
Solvent-free mirror surface resin is scratched into 0.1mm-0.3mm on the plain weave leather for posting face by resulting, it is solid by UV light
The solidification of change machine.Resulting solvent-free height is thoroughly high without xanthochromia mirror surface leather production efficiency, is free of any organic solvent, and physical property is complete
Entirely up to mirror surface leather requirement, especially low temperature flexibility can achieve -10 DEG C, not rupture for 100,000 times；120 degree of heat-resisting post yellowings for 24 hours
Grade is more than level Four；Color inhibition test for 24 hours is more than level Four.
Embodiment 3
The preparation of two degree of functionality polyurethane: 426g aliphatic isocyanates H12MDI is put into reaction kettle, is warming up to 60-65
DEG C, 342g polycaprolactone diols PCL 205 is added dropwise, 0.1g catalyst BICAT 8108,65-70 DEG C of guarantor are put into after being added dropwise
Temperature 2 hours, investment polymerization inhibitor 6g is warming up to 80-85 DEG C of addition 232g hydroxyethyl methacrylate second after measurement nco value is lower than 0.5%
Ester adds 0.2g catalyst BICAT 8108 after being added dropwise, 80-85 DEG C keeps the temperature 3 hours, after detection nco value is lower than 0.2%,
Cooling packaging.
Solvent-free mirror surface resin preparation: by two degree of functionality polyurethane 381g, two degree of functionality reactive diluent tripropylene glycols two
Acrylate (TPGDA) 257g, three-functionality-degree reactive diluent ethoxylated trimethylolpropane triacrylate (TMPTA)
318g, initiator Darocur-1173 4g, levelling agent TEGO Flow300 2g, defoaming agent BYK056A 2g are uniformly mixed, then
Deaeration, packaging.
Solvent-free mirror surface resin is scratched into 0.1mm-0.3mm on the plain weave leather for posting face by resulting, it is solid by UV light
The solidification of change machine.Resulting solvent-free height is thoroughly high without xanthochromia mirror surface leather production efficiency, is free of any organic solvent, and physical property is complete
Entirely up to mirror surface leather requirement, especially low temperature flexibility can achieve -10 DEG C, not rupture for 100,000 times；120 degree of heat-resisting post yellowings for 24 hours
Grade is more than level Four；Color inhibition test for 24 hours is more than level Four.
Claims (9)
1. the preparation method that a kind of UV solidifies solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly, it is characterised in that: UV solidification
Solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly, which includes the following components'mass percentage, to be made: two degree of functionality polyurethane
20.5-40.6%, trifunctional reactive diluent 25.0-35.0%, two functional group reactive diluent 30.8-47.6%, light draw
Send out agent 1.0-5.0%, levelling agent 0.1-0.4% and defoaming agent 0.1-0.4%；Wherein, the two degree of functionality polyurethane include
The component of following mass percent is made: polycaprolactone diols 22.8-52.6%, aliphatic isocyanates 26.5-58.5%,
Catalyst 0.01-0.03%, hydroxy acrylate 15.0-25.0% and polymerization inhibitor 0.3-1.0%；The trifunctional activity
Diluent is ethoxylated trimethylolpropane triacrylate；Two functional group's reactive diluents are selected from 1,6 hexylene glycols
Any one or the combination of several of them in diacrylate, neopentylglycol diacrylate and tripropylene glycol diacrylate；Preparation
Method includes the following steps:
1) two degree of functionality polyurethane are prepared
Aliphatic isocyanates are put into reaction kettle, are warming up to 60-65 DEG C, polycaprolactone diols is added dropwise, is thrown after being added dropwise
Enter catalyst, 65-70 DEG C keeps the temperature 2 hours, and investment polymerization inhibitor is warming up to 80-85 DEG C of addition hydroxyl after measurement nco value is lower than 0.2%
Acrylate adds catalyst after being added dropwise, 80-85 DEG C keeps the temperature 3 hours, after detection NCO is qualified, cooling packaging；
2) the solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly of preparation UV solidification
By two degree of functionality polyurethane, two degree of functionality reactive diluents, three-functionality-degree reactive diluent, photoinitiator, levelling agent, disappear
Infusion mixes in proportion, then deaeration, packaging.
2. the solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly of UV solidification according to claim 1, it is characterised in that: described
Polycaprolactone diols it is any one in Capa 2054, Capa 2043, PCL 205, PCL 205U and PCLL 205AL
Kind or several combinations.
3. the solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly of UV solidification according to claim 1, it is characterised in that: described
Aliphatic isocyanates in IPDI, H12MDI and HDI any one or the combination of several of them.
4. the solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly of UV solidification according to claim 1, it is characterised in that: described
Catalyst be selected from TEGOKAT 722, TEGOCAT 716, BICAT 8108, BICAT 8220, Borchi Kat24, Borchi
Any one or the combination of several of them in Kat243 and BicatZ.
5. the solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly of UV solidification according to claim 1, it is characterised in that: described
Hydroxy acrylate be selected from hydroxy-ethyl acrylate, hydroxypropyl acrylate, hydroxyethyl methacrylate and methacrylic acid hydroxypropyl
Any one or the combination of several of them in ester.
6. the solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly of UV solidification according to claim 1, it is characterised in that: described
Polymerization inhibitor be selected from p-hydroxyanisole, di-t-butyl hydroquinone, any one in 2,5- di-tert-butyl hydroquinone or several
The combination of kind.
7. the solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly of UV solidification according to claim 1, it is characterised in that: described
Photoinitiator be Darocur-1173 and/or Irgacure 184.
8. the solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly of UV solidification according to claim 1, it is characterised in that: described
Levelling agent be selected from BYK-UV3510, BYK-UV3500, TEGO Flow300, TEGO Rad 2200N and TEGO Rad 2100
Middle any one or the combination of several of them.
9. the solvent-free high non-yellow stain polyurethane mirror surface resin thoroughly of UV solidification according to claim 1, it is characterised in that: described
Defoaming agent in BYK1790, BYK056A and BYK066N any one or the combination of several of them.
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|---|---|---|---|
| CN201610547032.2A CN106189802B (en) | 2016-07-13 | 2016-07-13 | A kind of solvent-free high non-yellow stain polyurethane mirror surface resin and preparation method thereof thoroughly of UV solidification |
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| CN201610547032.2A CN106189802B (en) | 2016-07-13 | 2016-07-13 | A kind of solvent-free high non-yellow stain polyurethane mirror surface resin and preparation method thereof thoroughly of UV solidification |
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| CN106189802B true CN106189802B (en) | 2018-12-25 |
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| CN107160750A (en) * | 2017-04-14 | 2017-09-15 | 安徽宝博合成革有限公司 | A kind of aqueous/solvent-free minute surface Synthetic Leather preparation technology |
| CN109440483A (en) * | 2018-09-11 | 2019-03-08 | 东莞市雄林新材料科技股份有限公司 | A kind of high scratch resistance mirror surface super fiber leather and preparation method thereof |
| ES2913237T3 (en) | 2018-12-21 | 2022-06-01 | Ivoclar Vivadent Ag | Compositions for manufacturing fracture-resistant dental workpieces by stereolithography |
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