CN114032038A - Anti-ultraviolet anti-yellowing resin composition and preparation process thereof - Google Patents
Anti-ultraviolet anti-yellowing resin composition and preparation process thereof Download PDFInfo
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- CN114032038A CN114032038A CN202111500073.3A CN202111500073A CN114032038A CN 114032038 A CN114032038 A CN 114032038A CN 202111500073 A CN202111500073 A CN 202111500073A CN 114032038 A CN114032038 A CN 114032038A
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- 238000004383 yellowing Methods 0.000 title claims abstract description 38
- 239000011342 resin composition Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000011347 resin Substances 0.000 claims abstract description 25
- 229920005989 resin Polymers 0.000 claims abstract description 25
- 239000004611 light stabiliser Substances 0.000 claims abstract description 24
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 23
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 23
- -1 graphite alkyne Chemical class 0.000 claims abstract description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 20
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 14
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 13
- 239000010439 graphite Substances 0.000 claims abstract description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 10
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 9
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 9
- 229910052714 tellurium Inorganic materials 0.000 claims abstract description 9
- 239000000178 monomer Substances 0.000 claims abstract description 4
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 claims description 18
- 239000004593 Epoxy Substances 0.000 claims description 16
- 150000001412 amines Chemical class 0.000 claims description 16
- 150000003505 terpenes Chemical class 0.000 claims description 16
- 235000007586 terpenes Nutrition 0.000 claims description 16
- 208000005156 Dehydration Diseases 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 230000018044 dehydration Effects 0.000 claims description 9
- 238000006297 dehydration reaction Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 239000002530 phenolic antioxidant Substances 0.000 claims description 2
- MOVRCMBPGBESLI-UHFFFAOYSA-N prop-2-enoyloxysilicon Chemical compound [Si]OC(=O)C=C MOVRCMBPGBESLI-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000011049 filling Methods 0.000 abstract description 2
- 229920000297 Rayon Polymers 0.000 abstract 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract 1
- 239000004925 Acrylic resin Substances 0.000 description 16
- 229920000178 Acrylic resin Polymers 0.000 description 16
- QSRJVOOOWGXUDY-UHFFFAOYSA-N 2-[2-[2-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoyloxy]ethoxy]ethoxy]ethyl 3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C)=CC(CCC(=O)OCCOCCOCCOC(=O)CCC=2C=C(C(O)=C(C)C=2)C(C)(C)C)=C1 QSRJVOOOWGXUDY-UHFFFAOYSA-N 0.000 description 14
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000565 sealant Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- GRJISGHXMUQUMC-UHFFFAOYSA-N silyl prop-2-enoate Chemical compound [SiH3]OC(=O)C=C GRJISGHXMUQUMC-UHFFFAOYSA-N 0.000 description 3
- 239000007822 coupling agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006701 autoxidation reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- SITVSCPRJNYAGV-UHFFFAOYSA-L tellurite Chemical compound [O-][Te]([O-])=O SITVSCPRJNYAGV-UHFFFAOYSA-L 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
Abstract
The invention relates to an anti-ultraviolet and anti-yellowing resin composition and a preparation process thereof, wherein the resin composition comprises the following components in parts by weight: 15-25 parts of ethyl carbamate, 70-90 parts of acrylate polymer, 0.2-0.6 part of antioxidant, 0.05-0.32 part of light stabilizer, 0.3-2.8 parts of photoinitiator, 0.1-0.3 part of cross-linking agent, 3-7 parts of viscose resin, 4-5 parts of acrylic monomer, 0.2-0.8 part of silane coupling agent and 0.02-0.5 part of monomer or combination of MXene, graphene, graphite alkyne and tellurium alkene, and the components are mixed by a stirrer, nitrogen filling and shading to obtain a sticky mixture.
Description
Technical Field
The invention relates to the technical field of anti-yellowing compositions, and in particular relates to an anti-ultraviolet anti-yellowing resin composition and a preparation process thereof.
Background
The transparent sealant product is mainly used for the joint or bonding sealing of glass daylighting roofs, bathroom glass, home decoration kitchens and bathrooms and the like. The transparent sealant product is in relatively humid and indoor and outdoor illumination environments for a long time, so that high requirements are put on the appearance and weather resistance of the sealant, and the sealant not only needs to have excellent weather resistance, but also needs to have high yellowing resistance.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention provides the ultraviolet-resistant and yellowing-resistant resin composition and the preparation process thereof, and the resin composition has stronger yellowing resistance.
The technical solution adopted by the invention is as follows:
the ultraviolet-resistant and yellowing-resistant resin composition comprises the following components in parts by weight:
70-90 parts of acrylate polymer (acrylic resin);
0.2-0.6 part of antioxidant;
0.05-0.32 part of light stabilizer;
0.3-2.8 parts of a photoinitiator;
0.1-0.3 part of cross-linking agent;
3-7 parts of tackifying resin;
4-5 parts of 2-ethylhexyl acrylate;
0.2-0.8 part of silane coupling agent;
15-25 parts of ethyl carbamate;
0.02-0.5 part of one or more of MXene, graphene, graphite alkyne and tellurium alkene.
Preferably, the weight average molecular weight Mw of the acrylate polymer is 15 to 65 ten thousand.
Preferably, the antioxidant is a highly semi-hindered phenolic antioxidant of an epoxy nature.
Preferably, the light stabilizer is a hindered amine light stabilizer.
Preferably, the photoinitiator is a high-efficiency non-yellowing ultraviolet photoinitiator.
Preferably, the cross-linking agent is a trifunctional monomer.
Preferably, the tackifying resin is a terpene resin.
Preferably, the silane coupling agent is one or more of an epoxy silane coupling agent and an acryloyloxy silane coupling agent.
The preparation process of the ultraviolet-resistant and yellowing-resistant resin composition comprises the following steps:
s1, under the irradiation of no light, stirring and mixing the following components at 40-60 ℃ and 200mmHg under the condition of charging nitrogen at 150-180 r/min: 0.2-0.6 part of antioxidant; 0.05-0.32 part of light stabilizer; 0.3-2.8 parts of a photoinitiator; 0.1-0.3 part of cross-linking agent; 3-7 parts of tackifying resin; 4-5 parts of 2-ethylhexyl acrylate; 0.2-0.8 part of silane coupling agent; 15-25 parts of ethyl carbamate; 0.02-0.5 part of one or more of MXene, graphene, graphite alkyne and tellurium alkene;
s2, carrying out dehydration treatment under the condition of 60mmHg for 8-13 hours in total;
and S3, cooling, defoaming, and injecting into a sealed barrel under the condition of no ultraviolet ray.
The invention has the beneficial effects that:
the functions of the components of the invention are as follows:
70-90 parts of acrylate polymer (acrylic resin) to improve the performance of the coating film.
0.2-0.6 part of antioxidant, and can resist oxidation and increase yellowing resistance.
0.05-0.32 part of light stabilizer, which is realized by capturing and removing free radicals to cut off the reaction of the autoxidation chain.
0.3-2.8 parts of photoinitiator, which is used for initiating the UV polymerization reaction of the unsaturated prepolymerization system.
0.1-0.3 part of cross-linking agent, which can be used as reactive diluent, has high activity, proper viscosity and excellent dissolving power. And can endow the cured film with good flexibility, reduce the shrinkage rate of the cured film and improve the adhesive force to the base material.
3-7 parts of tackifying resin, and has the advantages of light color, low odor, high hardness, high adhesive force, good oxidation resistance and thermal stability, good compatibility and solubility, and the like.
0.02-0.5 part of one or more of MXene, graphene, graphite alkyne and telluroene, wherein the MXene, graphene, graphite alkyne and telluroene are all two-dimensional structures, and the MXene, graphene, graphite alkyne and telluroene have excellent ultraviolet nonlinear characteristics, which means that the materials can absorb a certain amount of ultraviolet rays immediately under the irradiation of the ultraviolet rays. When the ultraviolet intensity is higher than the threshold value, the two-dimensional structure material reverses and blocks the absorption of excessive ultraviolet.
According to the invention, the proportion of the cross-linking agent and the tackifying resin is reasonably matched, so that the MXene, the graphene, the graphite alkyne and the tellurium alkene are conveniently distributed in the composition, the antioxidant, the MXene, the graphene, the graphite alkyne and the tellurium alkene jointly ensure the yellowing resistance of the composition, and the anti-ultraviolet, heat-resistant and low-yellowing characteristics are also realized under the condition of ensuring moderate and stable adhesive force.
Detailed Description
The invention is further illustrated below:
example 1
The embodiment provides an ultraviolet-resistant and yellowing-resistant resin composition, which comprises the following components in parts by weight:
70 parts of acrylate polymer (acrylic resin).
Irganox 245 from Pasteur is 0.2 parts.
0.05 part of hindered amine light stabilizer.
0.3 part of photoinitiator with the model of DAROCU1R 73.
0.1 part of trifunctional aziridine crosslinking agent.
And 3 parts of terpene resin.
4 parts of 2-ethylhexyl acrylate.
0.2 part of epoxy silane coupling agent.
15 parts of ethyl carbamate.
MXene0.02 parts.
The weight average molecular weight Mw of the acrylate polymer was 15 ten thousand.
The preparation process of the ultraviolet-resistant and yellowing-resistant resin composition comprises the following steps:
s1, under no light irradiation, stirring at 40 deg.C and 200mmHg under nitrogen charging at 150r/min, mixing the following components: 70 parts of acrylic resin, 0.2 part of Irganox 245 from Basf company, 0.05 part of hindered amine light stabilizer, 0.3 part of photoinitiator with the model of DAROCU1R73, 0.1 part of trifunctional aziridine crosslinking agent, 3 parts of terpene resin, 4 parts of 2-ethylhexyl acrylate, 0.2 part of epoxy silane coupling agent, 15 parts of ethyl carbamate and 0.02 part of MXene.
S2, dehydration treatment is performed under the condition of 60mmHg for 8 hours in total.
And S3, cooling, defoaming, and injecting into a sealed barrel under the condition of no ultraviolet ray.
Example 2
The embodiment provides an ultraviolet-resistant and yellowing-resistant resin composition, which comprises the following components in parts by weight:
and 75 parts of acrylate polymer (acrylic resin).
Irganox 245 from Pasteur is 0.3 parts.
0.15 part of hindered amine light stabilizer.
1.0 part of photoinitiator type DAROCU1R 73.
0.15 part of trifunctional aziridine crosslinking agent.
And 4 parts of terpene resin.
4.2 parts of 2-ethylhexyl acrylate.
0.3 part of acryloyloxysilane coupling agent.
And 18 parts of ethyl carbamate.
0.1 part of graphene.
The weight average molecular weight Mw of the acrylate polymer was 25 ten thousand.
The preparation process of the ultraviolet-resistant and yellowing-resistant resin composition comprises the following steps:
s1, mixing the following components under the condition of no light irradiation, 45 ℃ and 200mmHg pressure and nitrogen charging at 160r/min under stirring: 75 parts of acrylic resin, 0.3 part of Irganox 245 from Basf company, 0.15 part of hindered amine light stabilizer, 1.0 part of photoinitiator with the model of DAROCU1R73, 0.15 part of trifunctional aziridine crosslinking agent, 4 parts of terpene resin, 4.2 parts of acrylic acid-2-ethylhexyl ester, 0.3 part of acryloyloxysilane coupling agent, 18 parts of ethyl carbamate and 0.1 part of graphene.
S2, dehydration treatment is carried out under the condition of 60mmHg, and the total time is 9 hours.
And S3, cooling, defoaming, and injecting into a sealed barrel under the condition of no ultraviolet ray.
Example 3
The embodiment provides an ultraviolet-resistant and yellowing-resistant resin composition, which comprises the following components in parts by weight:
and 80 parts of acrylate polymer (acrylic resin).
Irganox 245 from Pasteur is 0.4 parts.
0.2 part of hindered amine light stabilizer.
1.5 parts of a photoinitiator type DAROCU1R 73.
0.2 part of trifunctional aziridine crosslinking agent.
And 5 parts of terpene resin.
4.5 parts of 2-ethylhexyl acrylate.
0.4 part of epoxy silane coupling agent.
And 20 parts of ethyl carbamate.
0.2 part of graphdine.
The weight average molecular weight Mw of the acrylate polymer was 30 ten thousand.
The preparation process of the ultraviolet-resistant and yellowing-resistant resin composition comprises the following steps:
s1, under no light irradiation, stirring at 50 deg.C and 200mmHg under nitrogen charging at 170r/min, mixing the following components: 80 parts of acrylic resin, 0.4 part of Irganox 245 from Basf company, 0.2 part of hindered amine light stabilizer, 1.5 parts of photoinitiator with the model of DAROCU1R73, 0.2 part of trifunctional aziridine crosslinking agent, 5 parts of terpene resin, 4.5 parts of 2-ethylhexyl acrylate, 0.4 part of epoxy silane coupling agent, 20 parts of ethyl carbamate and 0.2 part of graphyne.
S2, dehydration treatment is performed under the condition of 60mmHg for a total of 11 hours.
S3, cooling, defoaming, and injecting into a sealed barrel under the condition of no ultraviolet ray
Example 4
The embodiment provides an ultraviolet-resistant and yellowing-resistant resin composition, which comprises the following components in parts by weight:
90 parts of acrylate polymer (acrylic resin).
Irganox 245 from Pasteur is 0.6 parts.
0.32 part of hindered amine light stabilizer.
2.8 parts of a photoinitiator type DAROCU1R 73.
0.3 part of trifunctional aziridine crosslinking agent.
And 7 parts of terpene resin.
5 parts of 2-ethylhexyl acrylate.
0.8 part of epoxy silane coupling agent.
And 25 parts of ethyl carbamate.
0.5 part of tellurine.
The weight average molecular weight Mw of the acrylate polymer was 65 ten thousand.
The preparation process of the ultraviolet-resistant and yellowing-resistant resin composition comprises the following steps:
s1, mixing the following components under the condition of no light irradiation, 60 ℃ and 200mmHg pressure and charging nitrogen at 180r/min under stirring: 90 parts of acrylic resin, 0.6 part of Irganox 245 from Basf company, 0.32 part of hindered amine light stabilizer, 2.8 parts of photoinitiator with the model of DAROCU1R73, 0.3 part of trifunctional aziridine crosslinking agent, 7 parts of terpene resin, 5 parts of 2-ethylhexyl acrylate, 0.8 part of epoxy silane coupling agent, 25 parts of ethyl carbamate and 0.5 part of tellurite.
S2, dehydration treatment is performed under the condition of 60mmHg, and the total time is 13 hours.
And S3, cooling, defoaming, and injecting into a sealed barrel under the condition of no ultraviolet ray.
Example 5
The embodiment provides an ultraviolet-resistant and yellowing-resistant resin composition, which comprises the following components in parts by weight:
90 parts of acrylate polymer (acrylic resin).
Irganox 245 from Pasteur is 0.6 parts.
0.32 part of hindered amine light stabilizer.
2.8 parts of a photoinitiator type DAROCU1R 73.
0.3 part of trifunctional aziridine crosslinking agent.
And 7 parts of terpene resin.
5 parts of 2-ethylhexyl acrylate.
0.8 part of epoxy silane coupling agent.
And 25 parts of ethyl carbamate.
0.5 part of MXene, graphene, graphite alkyne and tellurium alkene with equal mass.
The weight average molecular weight Mw of the acrylate polymer was 65 ten thousand.
The preparation process of the ultraviolet-resistant and yellowing-resistant resin composition comprises the following steps:
s1, mixing the following components under the condition of no light irradiation, 60 ℃ and 200mmHg pressure and charging nitrogen at 180r/min under stirring: 90 parts of acrylic resin, 0.6 part of Irganox 245 from Basf company, 0.32 part of hindered amine light stabilizer, 2.8 parts of photoinitiator with the model of DAROCU1R73, 0.3 part of trifunctional aziridine crosslinking agent, 7 parts of terpene resin, 5 parts of 2-ethylhexyl acrylate, 0.8 part of epoxy silane coupling agent, 25 parts of ethyl carbamate and 0.5 part of MXene, graphene, graphite alkyne and tellurium alkene with equal mass.
S2, dehydration treatment is performed under the condition of 60mmHg, and the total time is 13 hours.
And S3, cooling, defoaming, and injecting into a sealed barrel under the condition of no ultraviolet ray.
Comparative example 1
The embodiment provides an ultraviolet-resistant and yellowing-resistant resin composition, which comprises the following components in parts by weight:
70 parts of acrylate polymer (acrylic resin).
Irganox 245 from Pasteur is 0.2 parts.
0.05 part of hindered amine light stabilizer.
0.3 part of photoinitiator with the model of DAROCU1R 73.
0.05 part of trifunctional aziridine crosslinking agent.
And 1 part of terpene resin.
4 parts of 2-ethylhexyl acrylate.
0.2 part of epoxy silane coupling agent.
15 parts of ethyl carbamate.
0.01 part of graphdine.
The weight average molecular weight Mw of the acrylate polymer was 15 ten thousand.
The preparation process of the ultraviolet-resistant and yellowing-resistant resin composition comprises the following steps:
s1, under no light irradiation, stirring at 40 deg.C and 200mmHg under nitrogen charging at 150r/min, mixing the following components: 70 parts of acrylic resin, 0.2 part of Irganox 245 from Pasteur, 0.05 part of hindered amine light stabilizer, 0.3 part of photoinitiator with the model of DAROCU1R73, 0.05 part of trifunctional aziridine crosslinking agent, 1 part of terpene resin, 4 parts of acrylic acid-2-ethylhexyl ester, 0.2 part of epoxy silane coupling agent, 15 parts of ethyl carbamate and 0.01 part of graphite alkyne.
S2, dehydration treatment is performed under the condition of 60mmHg for 8 hours in total.
And S3, cooling, defoaming, and injecting into a sealed barrel under the condition of no ultraviolet ray.
Comparative example 2
The embodiment provides an ultraviolet-resistant and yellowing-resistant resin composition, which comprises the following components in parts by weight:
90 parts of acrylate polymer (acrylic resin).
Irganox 245 from Pasteur is 0.6 parts.
0.32 part of hindered amine light stabilizer.
2.8 parts of a photoinitiator type DAROCU1R 73.
0.3 part of trifunctional aziridine crosslinking agent.
And 7 parts of terpene resin.
5 parts of 2-ethylhexyl acrylate.
0.8 part of epoxy silane coupling agent.
And 25 parts of ethyl carbamate.
The weight average molecular weight Mw of the acrylate polymer was 65 ten thousand.
The preparation process of the ultraviolet-resistant and yellowing-resistant resin composition comprises the following steps:
s1, mixing the following components under the condition of no light irradiation, 60 ℃ and 200mmHg pressure and charging nitrogen at 180r/min under stirring: 90 parts of acrylic resin, 0.6 part of Irganox 245 from Basf company, 0.32 part of hindered amine light stabilizer, 2.8 parts of photoinitiator with the model of DAROCU1R73, 0.3 part of trifunctional aziridine crosslinking agent, 7 parts of terpene resin, 5 parts of acrylic acid-2-ethylhexyl ester, 0.8 part of epoxy silane coupling agent and 25 parts of ethyl carbamate.
S2, dehydration treatment is performed under the condition of 60mmHg, and the total time is 13 hours.
And S3, cooling, defoaming, and injecting into a sealed barrel under the condition of no ultraviolet ray.
Performance comparison and Effect evaluation
The above-mentioned comparative examples and examples employ instruments
Elevated temperature conditions 85 ℃ x500 hours (H): FYL-YS-151L thermostatic equipment of Beijing Fuyi medical equipment company.
Testing instrument
1. And (5) testing the bonding performance.
2. And (3) measuring the film thickness: and measuring by using a micrometer.
3. Measurement of light transmittance, Haze (Haze): the haze meter was made using a donyo seiko machine.
4. Measurement of refractive index (25 ℃): a PAL-BX/RI two-scale full-range refractometer from ATAGO company is adopted.
5. Binding power: japan Shimadzu import tensile tester AGS-X.
6. Step filling (visual inspection): the observation point of the attaching bubble returning performance is a section difference part, and whether bubbles are generated or not is observed.
The results of the YI value, adhesion and the like of the resin compositions obtained in examples 1 to 5 and comparative examples 1 to 2 and the resin composition as a comparative example are shown in the following tables:
while there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (9)
1. The ultraviolet-resistant and yellowing-resistant resin composition is characterized by comprising the following components in parts by weight:
70-90 parts of an acrylate polymer;
0.2-0.6 part of antioxidant;
0.05-0.32 part of light stabilizer;
0.3-2.8 parts of a photoinitiator;
0.1-0.3 part of cross-linking agent;
3-7 parts of tackifying resin;
4-5 parts of 2-ethylhexyl acrylate;
0.2-0.8 part of silane coupling agent;
15-25 parts of ethyl carbamate;
0.02-0.5 part of one or more of MXene, graphene, graphite alkyne and tellurium alkene.
2. The ultraviolet light and yellowing resistant resin composition according to claim 1, wherein the acrylate polymer has a weight average molecular weight Mw = 15-65 ten thousand.
3. The UV-resistant, yellowing-resistant resin composition according to claim 1, wherein the antioxidant is a highly semi-hindered phenolic antioxidant of epoxy nature.
4. The ultraviolet light and yellowing resistant resin composition according to claim 1, wherein the light stabilizer is a hindered amine light stabilizer.
5. The UV-resistant, yellowing-resistant resin composition according to claim 1, wherein the photoinitiator is a high efficiency, non-yellowing UV photoinitiator.
6. The UV-resistant and yellowing-resistant resin composition according to claim 1, wherein the cross-linking agent is a trifunctional functional monomer.
7. The UV-resistant yellowing-resistant resin composition according to claim 1, wherein the tackifying resin is a terpene resin.
8. The ultraviolet and yellowing resistant resin composition according to claim 1, wherein the silane coupling agent is one or more of an epoxy silane coupling agent and an acryloxy silane coupling agent.
9. The preparation process of the ultraviolet-resistant and yellowing-resistant resin composition is characterized by comprising the following steps of:
s1, under the irradiation of no light, stirring and mixing the following components at 40-60 ℃ and 200mmHg under the condition of charging nitrogen at 150-180 r/min: 0.2-0.6 part of antioxidant; 0.05-0.32 part of light stabilizer; 0.3-2.8 parts of a photoinitiator; 0.1-0.3 part of cross-linking agent; 3-7 parts of tackifying resin; 4-5 parts of 2-ethylhexyl acrylate; 0.2-0.8 part of silane coupling agent; 15-25 parts of ethyl carbamate; 0.02-0.5 part of one or more of MXene, graphene, graphite alkyne and tellurium alkene;
s2, carrying out dehydration treatment under the condition of 60mmHg for 8-13 hours in total;
and S3, cooling, defoaming, and injecting into a sealed barrel under the condition of no ultraviolet ray.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115029096A (en) * | 2022-07-28 | 2022-09-09 | 电子科技大学 | Preparation method of low-temperature semi-molten MXene-based composite conductive adhesive |
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| CN102408839A (en) * | 2010-09-20 | 2012-04-11 | Lg化学株式会社 | Adhesive for a polarizing plate, and polarizing plate comprising same |
| CN111004587A (en) * | 2019-12-19 | 2020-04-14 | 苏州赛伍应用技术股份有限公司 | OCA optical adhesive tape and preparation method and application thereof |
| CN112831278A (en) * | 2019-11-25 | 2021-05-25 | Ｋｃｃ公司 | Photocurable resin composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408839A (en) * | 2010-09-20 | 2012-04-11 | Lg化学株式会社 | Adhesive for a polarizing plate, and polarizing plate comprising same |
| CN112831278A (en) * | 2019-11-25 | 2021-05-25 | Ｋｃｃ公司 | Photocurable resin composition |
| CN111004587A (en) * | 2019-12-19 | 2020-04-14 | 苏州赛伍应用技术股份有限公司 | OCA optical adhesive tape and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115029096A (en) * | 2022-07-28 | 2022-09-09 | 电子科技大学 | Preparation method of low-temperature semi-molten MXene-based composite conductive adhesive |
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