CN110016141A - A kind of anti-scratch is from release inkjet printing UV resin and preparation method thereof - Google Patents
A kind of anti-scratch is from release inkjet printing UV resin and preparation method thereof Download PDFInfo
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- CN110016141A CN110016141A CN201910342255.9A CN201910342255A CN110016141A CN 110016141 A CN110016141 A CN 110016141A CN 201910342255 A CN201910342255 A CN 201910342255A CN 110016141 A CN110016141 A CN 110016141A
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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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
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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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/91—Polymers modified by chemical after-treatment
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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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/12—Polysiloxanes containing silicon bound to hydrogen
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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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/445—Block-or graft-polymers containing polysiloxane sequences containing polyester sequences
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- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
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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
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
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Abstract
The invention discloses a kind of anti-scratch from release inkjet printing UV resin and preparation method thereof.The silicone active body, hydroxyl rigidity hyper-branched polyester UV resin and catalyst A of anti-scratch of the invention from release inkjet printing UV resin, including end group simultaneously containing double bond and si-h bond.Rigid dissaving structure polyester core and a large amount of terminal reactive group in the present invention ensure that the hardness after resin solidification in 3H or more, has splendid anti-scratch effect.The UV resin of preparation is 100% solid content, solvent-free, environmentally protective.Without smooth auxiliary agents such as outer addition paraffin, Long carbon chain small molecule, soaps, Long carbon chain amide, organosilicons in use process, while silicone molecules segment is bonded in resin matrix, on the basis of guaranteeing high release, is used for a long time without precipitation.Resin release with higher and smoothness contain a certain amount of polar group simultaneously, guarantee that the coated film after solidifying has certain surface tension and dyne value, adhere to convenient for ink, combine high release and easy inking.
Description
Technical field
The present invention relates to UV solidified resins to synthesize field, and in particular to a kind of anti-scratch from release inkjet printing UV resin and
Preparation method.
Background technique
Since its is environmentally protective, VOC free discharge, low power consuming solidifies the advantages that quick, becomes now UV photocuring technology
Green coating material new technology with development potential.UV solidified resin has been widely used in inkjet printing industry at present,
Need to use a large amount of UV matrix resin during preparing inkjet printing UV ink.Anti-scratch inkjet printing UV coating is extensive
Apply in industries such as automobile, building materials, packing and decorating, and anti-scratch inkjet printing UV coating be typically required for good release with
Smoothness, i.e., lower surface tension or lower skin-friction coefficient.In order to reach this effect, it will usually add in ink
Add smooth auxiliary agent, such as paraffin, Long carbon chain small molecule, soaps (such as calcium stearate), Long carbon chain amide (such as stearic amide, erucic acid
Amide, oleamide) and organosilicon etc..There are various problems for these outer addition auxiliary agents, and paraffin, Long carbon chain small molecule, soaps are (such as
Calcium stearate), Long carbon chain amide (such as stearic amide, erucyl amide, oleamide) class additive and resin system it is incompatible,
Precipitation is had in use process；In addition, being unable to reach release and smooth purpose if additive amount is few, if additive amount is more, then
It will affect the transparency and appearance of coating.Organic silicon additive and UV resin system poor compatibility, long-time service have precipitation,
Influence product service life and later period stability；In addition, although organic silicon additive can reduction coating by a relatively large margin
Surface tension, improve its release and smoothness, but lower surface tension makes ink be difficult to adhere to jail in coating surface
Gu influencing the ink jet printing performance of material.
Therefore, how to prepare a kind of one-component, without the smooth auxiliary agent of outer addition functionality, while material surface being made to take into account height
The anti-scratch UV inkjet printing resin of release and ink adhesion, becomes the general character problem of urgent need to resolve in industry.
Summary of the invention
To solve problems of the prior art, the invention proposes a kind of anti-scratch from release inkjet printing UV resin
And preparation method thereof.
Anti-scratch of the invention is counted in mass ratio from release inkjet printing UV resin, comprising:
0.1-20 parts of silicone active body simultaneously containing double bond and si-h bond of end group,
80-99.9 parts of UV resin of hydroxyl rigidity hyper-branched polyester,
0.05-0.1 parts of catalyst A；
The catalyst A is that chloroplatinic acid and phosphine are coordinated one of rhodium complex.
Wherein, silicone active body of the end group simultaneously containing double bond and si-h bond is counted in mass ratio, comprising:
In addition, silicone active body of the end group simultaneously containing double bond and si-h bond the preparation method is as follows:
(1) vinyl trichlorosilane, chlorodimethyl silane, ether and water are added in reaction kettle after weighing proportionally,
It is stirred 4-6 hours under the conditions of 30-50 DEG C；
(2) it is warming up to 100-150 DEG C, decompression vacuum pumping water removal and solvent ether, obtained end group contain double bond and silicon simultaneously
The silicone active body of hydrogen bond.
In addition, the hydroxyl rigidity hyper-branched polyester UV resin the preparation method is as follows:
(1) acid anhydrides containing rigid backbone and dihydromethyl propionic acid are added in reaction kettle after weighing according to equimolar ratio, are added
Catalyst B, stirring are warming up to 90-130 DEG C in 1 hour, react 4-8 hours, are made end carboxyl super branched poly- containing rigid backbone
Ester；
(2) reaction kettle in above-mentioned steps (1) is added in (methyl) glycidyl acrylate (ether), in 90-130 DEG C of temperature
Degree is insulation reaction 2-4 hours lower, and hydroxyl rigidity hyper-branched polyester UV resin is made.
In addition, the acid anhydrides containing rigid backbone is containing phthalic anhydride, methyl tetrahydrophthalic anhydride, tetrahydrophthalic anhydride and methyl
One of enlightening nanogram acid anhydrides；
The catalyst B is triphenylphosphine, triethylamine, triethanolamine, ammonium chloride, N, N- dimethyl cyclohexyl amine, N, N '-two
Ethyl piperazidine, N-ethylmorpholine pyridine and N, one or more of N '-dimethyl pyridine.
In addition, the additive amount of the catalyst B is both acid anhydrides and dihydromethyl propionic acids containing rigid backbone gross mass
0.1%-2%.
In addition, (methyl) glycidyl acrylate (ether) is glycidyl acrylate, Glycidyl methacrylate
One of glyceride, glycidyl ether and methyl propenoic acid glycidyl ether.
In addition, the quality that (methyl) glycidyl acrylate (ether) is added is acid anhydrides and dihydroxy containing rigid backbone
The 10-35% of methylpropanoic acid gross mass.
The present invention also provides a kind of such as above-mentioned anti-scratch from the preparation method of release inkjet printing UV resin, and step is such as
Under:
Silicone active body, hydroxyl rigidity hyper-branched polyester UV resin by end group simultaneously containing double bond and si-h bond and
Reaction kettle is added in catalyst A, and stirring is warming up to 30-50 DEG C, reacts 4-6 hours, and hydroxyl is made from release hyperbranched UV tree
Rouge.
The present invention is about a kind of anti-scratch from release inkjet printing UV resin and preparation method thereof.UV resin of the invention with
Rigid dissaving structure polyester be core, prepared after terminal groups modification end group contain a large amount of double bonds, hydroxyl, siloxanes segment from
Release hyperbranched UV resin.That is, the acid anhydrides and dihydromethyl propionic acid using rigid backbone prepare end carboxyl super branched polyester, pass through
The modified acquisition hydroxyl hyper-branched polyester UV resin of (methyl) glycidyl acrylate (ether), changes by Si―H addition reaction later
Property so that end is linked siloxane molecule segment, obtain hydroxyl anti-scratch from release hyperbranched UV resin.Wherein, rigidity is hyperbranched
Structure polyester core and a large amount of terminal reactive group ensure that the hardness after resin solidification in 3H or more, with splendid scratch resistant
Flower effect.
Anti-scratch of the invention is 100% solid content from release inkjet printing UV resin, and one-component, solvent-free and VOC is green
Colour circle is protected.It helps in use process it is not necessary that outer addition paraffin, Long carbon chain small molecule, soaps, Long carbon chain amide, organosilicon etc. are smooth
Agent can be played from release, low surface friction coefficient and smooth purpose.
Meanwhile silicone molecules segment is bonded in resin matrix, and on the basis of guaranteeing high release, nothing is used for a long time
It is precipitated.Resin release with higher and smoothness contain a certain amount of polar group simultaneously, guarantee the coated film after solidifying
There are certain surface tension and dyne value, adheres to convenient for ink, combine high release and easy inking.
Specific embodiment
The description of this part be only it is exemplary and explanatory, should not there is any limitation to make to protection scope of the present invention
With.
Embodiment 1
(1) the end group silicone active body containing double bond and si-h bond simultaneously is prepared:
Vinyl trichlorosilane 2.8g, chlorodimethyl silane 45g, ether 150g and water 10g is weighed to be added in reaction kettle,
It is stirred 6 hours under the conditions of 30 DEG C；100 DEG C are warming up to, decompression vacuum pumping water removal and solvent ether, obtained end group contain double bond simultaneously
With the silicone active body of si-h bond.
(2) hydroxyl rigidity hyper-branched polyester UV resin is prepared:
It weighs dihydromethyl propionic acid 134g, phthalic anhydride 148g and triphenylphosphine 0.282g to be added in reaction kettle, stirring, 30 minutes
90 DEG C are warming up to, is reacted 8 hours, the end carboxyl super branched polyester containing rigid backbone is made；Glycidyl acrylate is added
Hydroxyl rigidity hyper-branched polyester UV resin is made in 28.2g, the insulation reaction 4 hours at a temperature of 90 DEG C.
(3) anti-scratch is prepared from release inkjet printing UV resin:
Weigh end group in above-mentioned steps (1) the silicone active body 0.1g containing double bond and si-h bond simultaneously, above-mentioned step
Suddenly reaction kettle is added in hydroxyl rigidity hyper-branched polyester the UV resin 99.9g and chloroplatinic acid 0.05g in (2), and stirring is warming up to 30
DEG C, it reacts 6 hours, hydroxyl is made from release hyperbranched UV resin.
Embodiment 2
(1) the end group silicone active body containing double bond and si-h bond simultaneously is prepared:
Vinyl trichlorosilane 3g, chlorodimethyl silane 43.7g, ether 300g and water 15g is weighed to be added in reaction kettle,
It is stirred 4 hours under the conditions of 50 DEG C；150 DEG C are warming up to, decompression vacuum pumping water removal and solvent ether, obtained hyperbranched polyorganosiloxane are living
Property body.
(2) hydroxyl rigidity hyper-branched polyester UV resin is prepared:
Dihydromethyl propionic acid 134g, methyl tetrahydrophthalic anhydride 166g and triethylamine 6g is weighed to be added in reaction kettle,
Stirring is warming up to 130 DEG C for 30 minutes, reacts 4 hours, and the end carboxyl super branched polyester containing rigid backbone is made；Methyl-prop is added
Hydroxyl rigidity hyper-branched polyester UV resin is made in olefin(e) acid ethylene oxidic ester 105g, the insulation reaction 2 hours at a temperature of 130 DEG C.
(3) anti-scratch is prepared from release inkjet printing UV resin:
Weigh end group in above-mentioned steps (1) the silicone active body 20g containing double bond and si-h bond simultaneously, above-mentioned steps
(2) reaction kettle is added in hydroxyl rigidity hyper-branched polyester UV resin 80g and chloroplatinic acid 0.1g in, and stirring is warming up to 50 DEG C, instead
It answers 4 hours, hydroxyl is made from release hyperbranched UV resin.
Embodiment 3
(1) the end group silicone active body containing double bond and si-h bond simultaneously is prepared:
It weighs vinyl trichlorosilane 3g, chlorodimethyl silane 45g, ether 300g and water 15g to be added in reaction kettle, 50
It is stirred 4 hours under the conditions of DEG C；150 DEG C are warming up to, decompression vacuum pumping water removal and solvent ether, obtained hyperbranched polyorganosiloxane are active
Body.
(2) hydroxyl rigidity hyper-branched polyester UV resin is prepared:
It weighs dihydromethyl propionic acid 134g, tetrahydrophthalic anhydride 152g and ammonium chloride 2.86g to be added in reaction kettle, stirring, 30 points
Clock is warming up to 110 DEG C, reacts 6 hours, and the end carboxyl super branched polyester containing rigid backbone is made；It is sweet that Glycidyl methacrylate is added
Hydroxyl rigidity hyper-branched polyester UV resin is made in grease 56g, the insulation reaction 3 hours at a temperature of 110 DEG C.
(3) anti-scratch is prepared from release inkjet printing UV resin:
Weigh end group in above-mentioned steps (1) the silicone active body 10g containing double bond and si-h bond simultaneously, above-mentioned steps
(2) reaction kettle is added in hydroxyl rigidity hyper-branched polyester UV resin 90g and chloroplatinic acid 0.08g in, and stirring is warming up to 40 DEG C,
Hydroxyl is made from release hyperbranched UV resin in reaction 5 hours.
Embodiment 4
(1) the end group silicone active body containing double bond and si-h bond simultaneously is prepared:
It weighs vinyl trichlorosilane 2.8g, chlorodimethyl silane 43.7g, ether 150g and water 10g and reaction kettle is added
In, it is stirred 6 hours under the conditions of 30 DEG C；100 DEG C are warming up to, decompression vacuum pumping removes water and solvent ether, and hyperbranched poly silicon oxygen is made
Alkane active body.
(2) hydroxyl rigidity hyper-branched polyester UV resin is prepared:
Dihydromethyl propionic acid 134g is weighed, methyl Di Nake acid anhydrides 178g and N, N- dimethyl cyclohexyl amine 3.12g is added anti-
It answers in kettle, stirs, be warming up within 30 minutes 110 DEG C, react 6 hours, the end carboxyl super branched polyester containing rigid backbone is made；It is added
Hydroxyl rigidity hyper-branched polyester is made in methyl propenoic acid glycidyl ether 62.4g, the insulation reaction 3 hours at a temperature of 110 DEG C
UV resin.
(3) anti-scratch is prepared from release inkjet printing UV resin:
Weigh end group in above-mentioned steps (1) the silicone active body 0.1g containing double bond and si-h bond simultaneously, above-mentioned step
Suddenly reaction kettle is added in the hydroxyl rigidity hyper-branched polyester UV resin 99.9g in (2) and phosphine coordination rhodium complex 0.05g, stirs,
30 DEG C are warming up to, is reacted 6 hours, hydroxyl is made from release hyperbranched UV resin.
Embodiment 5
(1) the end group silicone active body containing double bond and si-h bond simultaneously is prepared:
Vinyl trichlorosilane 2.9g, chlorodimethyl silane 44g, ether 200g and water 12g is weighed to be added in reaction kettle,
It is stirred 5 hours under the conditions of 40 DEG C；120 DEG C are warming up to, decompression vacuum pumping water removal and solvent ether, obtained hyperbranched polyorganosiloxane are living
Property body.
(2) hydroxyl rigidity hyper-branched polyester UV resin is prepared:
Weigh dihydromethyl propionic acid 134g, tetrahydrophthalic anhydride 152g and N, N '-diethyl piperazine 2.8g are added in reaction kettle, stir
It mixes, is warming up within 30 minutes 110 DEG C, react 6 hours, the end carboxyl super branched polyester containing rigid backbone is made；Metering system is added
Hydroxyl rigidity hyper-branched polyester UV resin is made in acid glycidyl ether 56g, the insulation reaction 3 hours at a temperature of 110 DEG C.
(3) anti-scratch is prepared from release inkjet printing UV resin:
Weigh end group in above-mentioned steps (1) the silicone active body 20g containing double bond and si-h bond simultaneously, above-mentioned steps
(2) reaction kettle is added in hydroxyl rigidity hyper-branched polyester UV resin 80g and phosphine coordination rhodium complex 0.1g in, stirs, heating
It to 50 DEG C, reacts 4 hours, hydroxyl is made from release hyperbranched UV resin.
Embodiment 6
(1) the end group silicone active body containing double bond and si-h bond simultaneously is prepared:
Vinyl trichlorosilane 2.9g, chlorodimethyl silane 44g, ether 210g and water 13g is weighed to be added in reaction kettle,
It is stirred 5 hours under the conditions of 40 DEG C；140 DEG C are warming up to, decompression vacuum pumping water removal and solvent ether, obtained hyperbranched polyorganosiloxane are living
Property body.
(2) hydroxyl rigidity hyper-branched polyester UV resin is prepared:
It weighs dihydromethyl propionic acid 134g, phthalic anhydride 148g and N-ethylmorpholine pyridine 0.282g to be added in reaction kettle, stirring,
90 DEG C are warming up within 30 minutes, is reacted 8 hours, the end carboxyl super branched polyester containing rigid backbone is made；It is sweet that acrylic acid shrink is added
Hydroxyl rigidity hyper-branched polyester UV resin is made in oily ether 28.2g, the insulation reaction 4 hours at a temperature of 90 DEG C.
(3) anti-scratch is prepared from release inkjet printing UV resin:
Weigh end group in above-mentioned steps (1) the silicone active body 10g containing double bond and si-h bond simultaneously, above-mentioned steps
(2) reaction kettle is added in hydroxyl rigidity hyper-branched polyester UV resin 90g and phosphine coordination rhodium complex 0.08g in, stirs, heating
It to 40 DEG C, reacts 5 hours, hydroxyl is made from release hyperbranched UV resin.
In order to determine the release performance and ink adhesion energy of the one-component dissaving structure UV resin prepared, by quality
Score weighs 100 parts of dissaving structure UV resin, 40 parts of solvent ethyl acetate, (1173) 4 parts of photoinitiator, after mixing evenly,
Coating on a pet film, dry 20 seconds in 80 DEG C of baking ovens, after carry out photocuring on UV solidification instrument, solidification energy 80mj/cm2,
Curing time 10 seconds, 5 μm of thickness of dry film after solidification.
The release and smoothness of film can be pressed according to its skin-friction coefficient of ASTM D1894 standard testing, ink adhesion
Its surface dynes value is tested using a dyne pen according to professional standard, the surface hardness of film is tested according to national standard GB 6739-86.
Performance after the dissaving structure UV resin solidification of the different embodiment preparations of table 1
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Coefficient of friction | 0.2 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 |
| Dyne value | 42 | 36 | 38 | 38 | 38 | 38 |
| Pencil hardness | 3H | 4H | 4H | 4H | 4H | 4H |
From the data analysis in the embodiment 1-6 of table 1 it is found that dissaving structure UV resin prepared by the present invention is solid by light
Change rear surface coefficient of friction and be below 0.3, fully meets the requirement of smoothness.Surface dynes value whole > 36, printing ink are attached
Fully meet requirement.It can be seen that anti-scratch of the invention has both high release and ink from release inkjet printing UV resin
Adhesive force.Pencil hardness all in 3H or more, meets the use purpose of anti-scratch.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of anti-scratch is from release inkjet printing UV resin, which is characterized in that the UV resin is counted in mass ratio, comprising:
0.1-20 parts of silicone active body simultaneously containing double bond and si-h bond of end group,
80-99.9 parts of UV resin of hydroxyl rigidity hyper-branched polyester,
0.05-0.1 parts of catalyst A；
The catalyst A is that chloroplatinic acid and phosphine are coordinated one of rhodium complex.
2. anti-scratch according to claim 1 is from release inkjet printing UV resin, which is characterized in that the end group contains simultaneously
There is the silicone active body of double bond and si-h bond to count in mass ratio, comprising:
3. anti-scratch according to claim 2 is from release inkjet printing UV resin, which is characterized in that the end group contains simultaneously
Have the silicone active body of double bond and si-h bond the preparation method is as follows:
(1) vinyl trichlorosilane, chlorodimethyl silane, ether and water are added in reaction kettle after weighing proportionally, 30-50
It is stirred 4-6 hours under the conditions of DEG C；
(2) it is warming up to 100-150 DEG C, decompression vacuum pumping water removal and solvent ether, obtained end group contain double bond and si-h bond simultaneously
Silicone active body.
4. anti-scratch according to claim 1 is from release inkjet printing UV resin, which is characterized in that the hydroxyl rigidity
Hyper-branched polyester UV resin the preparation method is as follows:
(1) acid anhydrides containing rigid backbone and dihydromethyl propionic acid are added in reaction kettle after weighing according to equimolar ratio, and catalysis is added
Agent B, stirring are warming up to 90-130 DEG C in 1 hour, react 4-8 hours, and the end carboxyl super branched polyester containing rigid backbone is made；
(2) reaction kettle in above-mentioned steps (1) is added in (methyl) glycidyl acrylate (ether), at a temperature of 90-130 DEG C
Insulation reaction 2-4 hours, hydroxyl rigidity hyper-branched polyester UV resin is made.
5. anti-scratch according to claim 4 is from release inkjet printing UV resin, which is characterized in that described to contain rigid backbone
Acid anhydrides be containing one of phthalic anhydride, methyl tetrahydrophthalic anhydride, tetrahydrophthalic anhydride and methyl Di Nake acid anhydrides；
The catalyst B is triphenylphosphine, triethylamine, triethanolamine, ammonium chloride, N, N- dimethyl cyclohexyl amine, N, N '-diethyl
Piperazine, N-ethylmorpholine pyridine and N, one or more of N '-dimethyl pyridine.
6. anti-scratch according to claim 4 is from release inkjet printing UV resin, which is characterized in that the catalyst B's
Additive amount is the 0.1%-2% of both acid anhydrides and dihydromethyl propionic acids containing rigid backbone gross mass.
7. anti-scratch according to claim 4 is from release inkjet printing UV resin, which is characterized in that (methyl) propylene
Acid glycidyl ester (ether) is glycidyl acrylate, glycidyl methacrylate, glycidyl ether and first
One of base glycidyl ether.
8. anti-scratch according to claim 4 is from release inkjet printing UV resin, which is characterized in that (methyl) propylene
The quality that acid glycidyl ester (ether) is added is the 10-35% of the acid anhydrides containing rigid backbone and dihydromethyl propionic acid gross mass.
9. a kind of such as described in any item anti-scratch of claim 1-8 are from the preparation method of release inkjet printing UV resin, special
Sign is that steps are as follows:
Silicone active body, hydroxyl rigidity hyper-branched polyester UV resin and catalysis by end group simultaneously containing double bond and si-h bond
Reaction kettle is added in agent A, and stirring is warming up to 30-50 DEG C, reacts 4-6 hours, and hydroxyl is made from release hyperbranched UV resin.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111072882A (en) * | 2019-12-31 | 2020-04-28 | 深圳市安品有机硅材料有限公司 | Modified waterborne polyurethane resin, coating and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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