CN108250405A - Solvent-free polyurethane resin and preparation method and application - Google Patents
Solvent-free polyurethane resin and preparation method and application Download PDFInfo
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- CN108250405A CN108250405A CN201810035967.1A CN201810035967A CN108250405A CN 108250405 A CN108250405 A CN 108250405A CN 201810035967 A CN201810035967 A CN 201810035967A CN 108250405 A CN108250405 A CN 108250405A
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- 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
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
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- 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
- C08G18/3876—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing mercapto groups
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- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
- C08G18/6644—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7628—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring containing at least one isocyanate or isothiocyanate group linked to the aromatic ring by means of an aliphatic group
- C08G18/7642—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring containing at least one isocyanate or isothiocyanate group linked to the aromatic ring by means of an aliphatic group containing at least two isocyanate or isothiocyanate groups linked to the aromatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate groups, e.g. xylylene diisocyanate or homologues substituted on the aromatic ring
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7628—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring containing at least one isocyanate or isothiocyanate group linked to the aromatic ring by means of an aliphatic group
- C08G18/765—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring containing at least one isocyanate or isothiocyanate group linked to the aromatic ring by means of an aliphatic group alpha, alpha, alpha', alpha', -tetraalkylxylylene diisocyanate or homologues substituted on the aromatic ring
-
- 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
- C09D175/06—Polyurethanes from polyesters
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Polyurethanes Or Polyureas (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to a kind of solvent-free polyurethane resins, include the raw material of following parts by weight:120 160 parts of adipic acid type polyester polyol, 15 parts of XDI, 35 45 parts of TMXDI, 13 parts of double sulfhydryl compounds, 16 parts of trimethylolpropane, 5 10 parts of 1,3 butanediol.After solvent-free polyurethane resin curing of the present invention, translucency is good, wear-resisting, safety and environmental protection in preparation process.Available for preparing two-component optical mirror plane coating, reaction system viscosity is low, is easy to construct.
Description
Technical field
The present invention relates to optical mirror slip paint field, more particularly to solvent-free polyurethane resin and preparation method thereof with answering
With.
Background technology
Optical lens surface often increases by one layer of coating, prevents minute surface from scratching.In currently existing scheme, as optical mirror slip
For the coating of coating mostly using aromatic hydrocarbon or ketone as organic solvent, solvent based product strong adhesive force obtained, light transmittance are high.But
It is that organic solvent is being produced in coating process, can cause environmental pollution.Meanwhile using organic in the environment of closed dust-free
Solvent brings hidden danger to operation the safe and healthy of employee.
The scheme that another kind prepares optical lens coating is the principle using silane hydrolyzate, prepares silicon coating material,
But the wearability of this coating is bad.
Invention content
Based on this, it is necessary in view of the above-mentioned problems, a kind of solvent-free polyurethane resin of optical mirror plane coating is provided, Gu
After change, there is high transparency, high-wearing feature, low viscosity and environmentally friendly.
It is an object of the present invention to provide a kind of solvent-free polyurethane resins.
Specific technical solution is:
A kind of solvent-free polyurethane resin includes the raw material of following parts by weight:
120-160 parts of adipic acid type polyester polyol, 1-5 parts of XDI, 35-45 parts of TMXDI, double sulfhydryl compound 1-3
Part, 1-6 parts of trimethylolpropane, 5-10 parts of 1,3 butylene glycol.
A kind of solvent-free polyurethane resin in one of the embodiments, includes the raw material of following parts by weight:
130-150 parts of adipic acid type polyester polyol, 2-3 parts of XDI, 40-45 parts of TMXDI, double sulfhydryl compound 2-3
Part, 3-6 parts of trimethylolpropane, 5-8 parts of 1,3 butylene glycol.
The weight ratio of the XDI and TMXDI is in one of the embodiments,:1:(10-20).
Double sulfhydryl compounds are glycol dimercaptosuccinate in one of the embodiments,.
In one of the embodiments, the adipic acid type polyester polyol be -3 methyl-1 of adipic acid, 5- pentadiol esters
Glycol, molecular weight 650-3000.
The solvent-free polyurethane resin is hydroxyl-terminated polyurethane resin in one of the embodiments,.
It is a further object to provide the preparation methods of above-mentioned solvent-free polyurethane resin.
Specific technical solution is:
A kind of preparation method of solvent-free polyurethane resin, includes the following steps:
Each raw material is weighed by above-mentioned parts by weight;
By the adipic acid type polyester polyol vacuum deaeration 1-3h, temperature is 100-120 DEG C;
50-70 DEG C is cooled to, the XDI is instilled dropwise in the adipic acid type polyester polyol after vacuum defoamation,
1-2h is reacted, the TMXDI and double sulfhydryl compounds is added in, is warming up to 85-125 DEG C, react 3-5h, be cooled to 60-70 DEG C, obtain
Hold NCO prepolymers;
The trimethylolpropane and 1,3-BDO are added in the end NCO prepolymers, is warming up to 110-140 DEG C,
0.5-3h is reacted, obtains solvent-free polyurethane resin.
It is a still further object of the present invention to provide a kind of optical mirror plane coating.
Specific technical solution is:
A kind of optical mirror plane coating, including component A and B component;
The component A includes the raw material of following parts by weight:
Above-mentioned solvent-free polyurethane resin 90-110 parts, 0.5-1 parts of deaeration agent, 0.1-0.5 parts of levelling agent, wetting agent
0.05-0.5 parts, 0.5-1.5 parts of thixotropic agent;
The B component includes isocyanate curing agent;
The weight ratio of the component A and the B component is 100:(1-5).
It is solvent-free solid to be selected from XDI curing agent, HDI trimer for the isocyanate curing agent in one of the embodiments,
The one or more of agent and biuret form solvent-free curing agent.
The deaeration agent is selected from byk088 in one of the embodiments,;And/or
The levelling agent is selected from byk333;And/or
The wetting agent is selected from byk dynwet 800;And/or
The thixotropic agent is selected from BYK-411.
Compared with existing scheme, the invention has the advantages that:
Above-mentioned solvent-free polyurethane resin, by the ethanedioic acid type polyester polyol for being not easy to crystallize and specific isocyanates system
Standby to form, specific isocyanates XDI and TMXDI can improve the surface strength of solvent-free polyurethane resin coating of the present invention, Gu
Coating after change is not easy mill flower;The reaction product of double sulfhydryl compounds and XDI, TMXDI has certain light absorptive, compatibility ethanedioic acid
Type polyester polyol, after curing solvent-free polyurethane resin of the present invention, translucency is good.Meanwhile the double sulfhydryl compounds of small molecule,
The addition of trimethylolpropane and 1,3-BDO is branched polyurethane resin structure of the present invention, increases polyurethane resin
Active group increases degree of functionality.And in preparation process, without using solvent, safety and environmental protection.
In addition, solvent-free polyurethane resin of the present invention can be used for preparing two-component optical mirror plane coating, reaction system viscosity
It is low, it is easy to construct.
Specific embodiment
The solvent-free polyurethane resin of the present invention is described in further detail below in conjunction with specific embodiment.
In the specific embodiment of the invention, all raw materials derive from commercially available.
- 3 methyl-1 of adipic acid, 5- pentadiol ester glycol are purchased from Kuraray Corporation, model P2010.
Deaeration agent is selected from byk088;It is purchased from byk companies, model 088.
Levelling agent is selected from byk333;It is purchased from byk companies, model 333.
Wetting agent is selected from byk dynwet 800;It is purchased from byk companies, model dynwet 800.
Thixotropic agent is selected from BYK-411;It is purchased from byk companies, model 411.
Embodiment 1
The present embodiment provides a kind of optical mirror plane coating.
Specific technical solution is:
A kind of optical mirror plane coating, including component A and B component;
The component A includes being prepared from the following raw materials in parts by weight:
100 parts of solvent-free polyurethane resin, 0.7 part of byk088,0.2 part of byk333,800 0.1 parts of byk dynwet,
1 part of BYK-411;
The raw material of B component is XDI curing agent;
The weight ratio of the component A and the B component is 100:(1-5).
Wherein, solvent-free polyurethane resin is prepared from the following raw materials in parts by weight:
- 3 methyl-1 of adipic acid, 140 parts of 5- pentadiol esters glycol, 3 parts of XDI, 40 parts of TMXDI, dimercapto acetic acid second two
3 parts of alcohol ester, 3 parts of trimethylolpropane, 8 parts of 1,3 butylene glycol.
The preparation method of above-mentioned optical mirror plane coating includes the following steps:
Each raw material is weighed by above-mentioned parts by weight;
By -3 methyl-1 of adipic acid that molecular weight is 2000,5- pentadiol ester glycol vacuum defoamation 1-3h, temperature 110
℃;
60 DEG C are cooled to, the XDI is instilled dropwise in the adipic acid type polyester polyol after vacuum defoamation, is reacted
1h adds in the TMXDI and double sulfhydryl compounds, is warming up to 85 DEG C, react 1h, is continuously heating to 125 DEG C, reacts 2h, cooling
To 65 DEG C, NCO prepolymers must be held;
The trimethylolpropane and 1,3-BDO are added in the end NCO prepolymers, is warming up to 125 DEG C, reaction
1h obtains hydroxyl-terminated polyurethane resin;
Hydroxyl-terminated polyurethane resin is added in dispersion machine, is slowly added to byk088, rotating speed 1000rad/min, is disperseed
20min reduces rotating speed to 600rad/min, addition byk dynwet 800 and byk333, and stirring 10min adds in BYK-411,
Filtering, obtains component A;
Before use, it is 100 by weight by the XDI curing agent of component A and B component:5 mixing, obtain optical mirror plane coating.
Embodiment 2
It is substantially the same manner as Example 1 the present embodiment provides a kind of optical mirror plane coating, difference lies in:
Solvent-free polyurethane resin is prepared from the following raw materials in parts by weight:
- 3 methyl-1 of adipic acid, 150 parts of 5- pentadiol esters glycol, 2 parts of XDI, 35 parts of TMXDI, dimercapto acetic acid second two
2 parts of alcohol ester, 6 parts of trimethylolpropane, 5 parts of 1,3 butylene glycol;
The preparation method of above-mentioned optical mirror plane coating is same as Example 1.
Embodiment 3
It is substantially the same manner as Example 1 the present embodiment provides a kind of optical mirror plane coating, difference lies in:
Solvent-free polyurethane resin is prepared from the following raw materials in parts by weight:
- 3 methyl-1 of adipic acid, 130 parts of 5- pentadiol esters glycol, 4 parts of XDI, 45 parts of TMXDI, dimercapto acetic acid second two
1 part of alcohol ester, 1 part of trimethylolpropane, 5 parts of 1,3 butylene glycol;
The preparation method of above-mentioned optical mirror plane coating is same as Example 1.
Embodiment 4
It is substantially the same manner as Example 1 the present embodiment provides a kind of optical mirror plane coating, difference lies in:
Solvent-free polyurethane resin is prepared from the following raw materials in parts by weight:
- 3 methyl-1 of adipic acid, 120 parts of 5- pentadiol esters glycol, 1 part of XDI, 35 parts of TMXDI, dimercapto acetic acid second two
3 parts of alcohol ester, 3 parts of trimethylolpropane, 8 parts of 1,3 butylene glycol;
The preparation method of above-mentioned optical mirror plane coating is same as Example 1.
Comparative example 1
This comparative example provides a kind of optical mirror plane coating, substantially the same manner as Example 1, difference lies in:No-solvent polyurethane
In Resin A raw material, it is not added with double sulfhydryl compounds.
Comparative example 2
This comparative example provides a kind of optical mirror plane coating, substantially the same manner as Example 1, difference lies in:No-solvent polyurethane
In Resin A raw material, XDI is replaced with into TDI.
Comparative example 3
This comparative example provides a kind of optical mirror plane coating, substantially the same manner as Example 1, difference lies in:No-solvent polyurethane
In Resin A raw material, by -3 methyl-1 of adipic acid, 5- pentadiol ester glycol replaces with polytetrahydrofuran ether.
Test example
It after preparing, is coated on glasses minute surface by the optical mirror plane coating matching while using of embodiment 1-4 and comparative example 1-3
On, after paint solidification, the performances such as light transmittance, wearability, water resistance of testing coating.Specifically test method is:
Light transmittance is tested according to international standard DIN EN ISO 13468-2;
Wearability is tested according to international standard ASTM F 2357-04;
Cross-cut methods are tested according to standard GB/T 9286;
Water resistance is tested according to standard GB/T/T 1733-1993.
With commercially available glasses coating as a control group, Shenzhen Ji Peng Science and Technology Ltd.s, model JP-1153 are purchased from.Test
The results are shown in Table 1
1 test effect of table
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of solvent-free polyurethane resin, which is characterized in that include the raw material of following parts by weight:
120-160 parts of adipic acid type polyester polyol, 1-5 parts of XDI, 35-45 parts of TMXDI, it is sulfhydryl compound 1-3 parts double, three
5-10 parts of 1-6 parts of hydroxymethyl-propane and 1,3 butylene glycol.
2. solvent-free polyurethane resin according to claim 1, which is characterized in that include the raw material of following parts by weight:
130-150 parts of adipic acid type polyester polyol, 2-3 parts of XDI, 40-45 parts of TMXDI, it is sulfhydryl compound 2-3 parts double, three
5-8 parts of 3-6 parts of hydroxymethyl-propane and 1,3 butylene glycol.
3. solvent-free polyurethane resin according to claim 1 or 2, which is characterized in that the weight of the XDI and TMXDI
Than being 1:(10-20).
4. solvent-free polyurethane resin according to claim 1 or 2, which is characterized in that double sulfhydryl compounds are two
Thioacetic acid glycol ester.
5. solvent-free polyurethane resin according to claim 1 or 2, which is characterized in that the adipic acid type polyester polyols
Alcohol be -3 methyl-1 of adipic acid, 5- pentadiol ester glycol, molecular weight 650-3000.
6. solvent-free polyurethane resin according to claim 1 or 2, which is characterized in that the solvent-free polyurethane resin
For hydroxyl-terminated polyurethane resin.
7. a kind of preparation method of claim 1-6 any one of them solvent-free polyurethane resins, which is characterized in that including with
Lower step:
Each raw material is weighed by claim 1-6 any one of them parts by weight;
By the adipic acid type polyester polyol vacuum deaeration 1-3h, temperature is 100-120 DEG C;
50-70 DEG C is cooled to, the XDI is instilled dropwise in the adipic acid type polyester polyol after vacuum defoamation, is reacted
1-2h adds in the TMXDI and double sulfhydryl compounds, is warming up to 85-125 DEG C, reacts 3-5h, be cooled to 60-70 DEG C, must hold
NCO prepolymers;
The trimethylolpropane and 1,3-BDO are added in the end NCO prepolymers, is warming up to 110-140 DEG C, reaction
0.5-3h obtains solvent-free polyurethane resin.
8. a kind of optical mirror plane coating, which is characterized in that including component A and B component;
The component A includes the raw material of following parts by weight:
90-110 parts of claim 1-6 any one of them solvent-free polyurethane resins, 0.5-1 parts of deaeration agent, levelling agent 0.1-
0.5 part, 0.05-0.5 parts of wetting agent, 0.5-1.5 parts of thixotropic agent;
The B component includes isocyanate curing agent;
The weight ratio of the component A and the B component is 100:(1-5).
9. optical mirror plane coating according to claim 8, which is characterized in that the isocyanate curing agent is consolidated selected from XDI
The one or more of agent, HDI trimer solvent-free curing agent and biuret form solvent-free curing agent.
10. optical mirror plane coating according to claim 9, which is characterized in that the deaeration agent is selected from byk088;And/or
The levelling agent is selected from byk333;And/or
The wetting agent is selected from byk dynwet 800;And/or
The thixotropic agent is selected from BYK-411.
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4680369A (en) * | 1984-04-11 | 1987-07-14 | Mitsui Toatsu Chemicals, Incorporated | Sulfur-containing polyurethane base lens resin |
CN103201305A (en) * | 2010-07-20 | 2013-07-10 | 拜耳知识产权有限责任公司 | Polyisocyanate mixtures |
CN106414538A (en) * | 2014-04-11 | 2017-02-15 | 科思创德国股份有限公司 | Composition for producing transparent polythiourethane bodies |
-
2018
- 2018-01-15 CN CN201810035967.1A patent/CN108250405A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4680369A (en) * | 1984-04-11 | 1987-07-14 | Mitsui Toatsu Chemicals, Incorporated | Sulfur-containing polyurethane base lens resin |
CN103201305A (en) * | 2010-07-20 | 2013-07-10 | 拜耳知识产权有限责任公司 | Polyisocyanate mixtures |
CN106414538A (en) * | 2014-04-11 | 2017-02-15 | 科思创德国股份有限公司 | Composition for producing transparent polythiourethane bodies |
Non-Patent Citations (1)
Title |
---|
张军瑞: ""高性能透明聚氨酯涂层的制备、结构与性能关系研究"", 《中国博士学位论文全文数据库,工程科技I辑》 * |
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