CN112442327B - Super-weather-resistant bi-component adhesive for building interior and exterior decoration - Google Patents

Super-weather-resistant bi-component adhesive for building interior and exterior decoration Download PDF

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Publication number
CN112442327B
CN112442327B CN201910796303.1A CN201910796303A CN112442327B CN 112442327 B CN112442327 B CN 112442327B CN 201910796303 A CN201910796303 A CN 201910796303A CN 112442327 B CN112442327 B CN 112442327B
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super
adhesive
building interior
resistant
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CN112442327A (en
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虞明东
张如红
王世哲
吴小娟
丁万强
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Shanghai Weikai Optoelectronic New Materials Co Ltd
Shanghai Chengying New Material Co Ltd
Jiangsu Chengying New Material Co Ltd
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Shanghai Weikai Optoelectronic New Materials Co Ltd
Shanghai Chengying New Material Co Ltd
Jiangsu Chengying New Material Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J163/00Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08Macromolecular additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

The invention discloses an ultra-weather-resistant bi-component adhesive for building interior and exterior decoration, which consists of a main agent and a curing agent, wherein the main agent comprises the following components: polyester resin, modified epoxy resin, modified acrylic resin, an antioxidant, a light stabilizer, a catalyst and a solvent; the curing agent comprises the following components: an isocyanate polymer. Compared with the prior art, the adhesive disclosed by the invention has the advantages that the light stability, hydrolysis resistance and yellowing resistance are improved by introducing the modified epoxy resin and the modified acrylic resin into the system; the adhesive can be cured at room temperature, and is convenient for building construction; the adhesive of the invention can bond various materials and has wide adaptability.

Description

Super-weather-resistant bi-component adhesive for building interior and exterior decoration
Technical Field
The invention belongs to the technical field of adhesives, and particularly relates to an ultra-weather-resistant bi-component adhesive for building interior and exterior decoration.
Background
With the rapid development of modern high and new technologies, the material technology is also rapidly developed. As the use environment of the material is more and more complicated, the requirement of people on the material is higher and higher.
Plastics and metals, which soon have been used outdoors, change their appearance and degrade their performance, such as conventional sheet metal: building materials made of aluminum plates, steel plates, galvanized plates and the like are easy to be corroded and rusted, are unsafe and are not beautiful; common polymer materials: polyvinyl chloride, polystyrene, glass fiber reinforced plastic and the like quickly turn yellow outdoors, the transparency is reduced, and even cracks can occur. These outdoor materials are not environmentally friendly and have various problems in long-term use. The composite material has excellent performance and plays an important role in modern buildings.
The composite membrane structure is a structural system which perfectly combines buildings and structures. The novel energy-saving and energy-saving type solar water heater has the advantages of free and light modeling, simplicity and easiness in manufacturing, rapidness in installation, energy conservation, safety and the like, so that the novel energy-saving and energy-saving type solar water heater is widely applied all over the world. The structure is especially suitable for the fields of large stadiums, swimming pools, public leisure and entertainment squares, exhibition places and the like. In this structure, the adhesive plays an important role. In harsh outdoor environments, some adhesives on the market yellow and become brittle, resulting in cracking, loss of strength, and unsightly appearance of the composite film.
Disclosure of Invention
The invention aims to provide the super-weather-resistant bi-component adhesive for building interior and exterior decorations, aiming at the defects that the composite film is cracked, loses strength, is not attractive and the like due to yellowing and embrittlement of the adhesive in the prior art in a severe outdoor environment. The adhesive has the characteristics of super weather resistance, no need of high-temperature curing, and capability of bonding most materials in the market.
The purpose of the invention is realized by the following technical scheme:
the invention provides an ultra-weather-resistant bi-component adhesive for building interior and exterior decoration, which consists of a main agent and a curing agent, wherein the main agent comprises the following components in percentage by weight based on the total weight of the main agent:
Figure BDA0002181048500000011
Figure BDA0002181048500000021
the curing agent comprises the following components in percentage by weight based on the total weight of the curing agent:
isocyanate polymer: 60-100%;
solvent: 0 to 40 percent.
Preferably, the polyester resin is a saturated aliphatic polyester polyol or a hydroxyl-modified polyolefin; the saturated aliphatic polyester polyol comprises one or more of saturated polyester polyols such as poly adipic acid-hexanediol-butanediol ester, poly adipic acid-neopentyl glycol-ethylene glycol ester, poly sebacic acid-adipic acid-butanediol ester and the like; the polyolefin in the hydroxyl modified polyolefin comprises one or more of polyethylene, polypropylene, polybutadiene and other polyolefin-like resins.
Preferably, the modified epoxy resin is a heterocyclic glycidyl epoxy resin modified by organic silicon. This is a class of high performance epoxy resins containing heterocyclic rings. The glycidyl group is directly attached to the heterocycle, and thus has excellent heat resistance, weather resistance and electrical properties. The introduced heterocyclic ring can be triazine ring, hydantoin ring (five-membered diazacyclo), oxazine ring (six-membered heterocyclic ring containing nitrogen and oxygen) and other heterocyclic rings with stable structures.
Preferably, the modified acrylic resin is an organosilicon modified acrylic resin. The organosilicon modified acrylic resin is selected, so that the compatibility with the used epoxy can be increased, and the siloxane group can form a silicon hydroxyl group with the hydroxyl group on the surface of the corona substrate, thereby generating excellent bonding performance.
Preferably, the antioxidant is a hindered phenol antioxidant. The hindered phenol antioxidant is 2, 6-di-tert-butyl-4-methylphenol, 2' -methylenebis- (4-methyl-6-tert-butylphenol), 1,3, 5-tri (4-tert-butyl-3-hydroxy-2, 6-dimethylbenzyl) -1,3, 5-triazine-2, 4,6- (1H,3H,5H) -trione, and n-octadecyl beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, 3, 5-di-tert-butyl-4-hydroxy-benzoic acid hexadecyl ester, tris (2, 4-tert-butylphenyl) phosphite and one or more of 2, 2' -methylene-bis- (4-methyl-6-tert-butyl) phenol.
Preferably, the light stabilizer is at least one of salicylates, benzophenones, benzotriazoles, substituted acrylonitriles, triazines, oxamides, organo-nickel complexes and hindered amines.
Preferably, the catalyst is one or more of dibutyltin dilaurate, stannous octoate, triethylene diamine and triethanolamine.
Preferably, the solvents in the main agent and the curing agent are respectively selected from one or more of ethyl acetate, butyl acetate, butanone, toluene and xylene.
Preferably, the isocyanate polymer is at least one of hexamethylene diisocyanate, isophorone diisocyanate, hydrogenated phenylmethane diisocyanate trimer or polymer. The isocyanate is aliphatic isocyanate polymer, and the substance has excellent ageing resistance, yellowing resistance and weather resistance. The preparation method is widely used for preparing non-yellowing adhesive products.
The invention also provides application of the super-weather-resistant bi-component adhesive for building interior and exterior decorations in soft foam polyvinyl chloride (PVC), an ethylene-tetrafluoroethylene copolymer film (ETFE), a polyvinylidene fluoride film (PVDF), a polytetrafluoroethylene film (PTFE), a polyethylene terephthalate film (PET) or a thermoplastic polyolefin film (TPO) for bonding and inking.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the adhesive, the organic silicon modified heterocyclic glycidyl epoxy resin and the organic silicon modified acrylic resin are introduced, so that the adhesive is endowed with excellent weather resistance; the cured resin is not embrittled, shed or yellowed after long-term outdoor use; when the thickness of the adhesive layer is 7-10 um, the peeling force is 5.8-7.6N/10 mm after the double 85 test of 2000H;
2. the adhesive can be rapidly cured at room temperature, so that the curing time and curing temperature are shortened, and the building construction is facilitated;
3. the adhesive has wide applicability to bonding materials, and has good bonding force to polyvinyl chloride (PVC) of soft foam, ethylene-tetrafluoroethylene copolymer membrane (ETFE), polyvinylidene fluoride membrane (PVDF), polytetrafluoroethylene membrane (PTFE), polyethylene terephthalate membrane (PET) and thermoplastic polyolefin membrane (TPO).
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1
The embodiment relates to an ultra-weather-resistant bi-component adhesive for building interior and exterior decorations, which comprises the following main agents: 5% of polyhexamethylene adipate-butylene glycol ester, 30% of organic silicon modified triazine ring type glycidyl epoxy resin, 14.15% of organic silicon modified acrylic resin, 0.5% of 2, 6-di-tert-butyl-4-methylphenol, 0.3% of UV-207, 0.05% of dibutyltin dilaurate and 50% of ethyl acetate. The curing agent comprises the following components: 60% hexamethylene diisocyanate, 40% ethyl acetate.
The method comprises the following steps:
1. mixing all the raw materials of the main agent, and stirring at a high speed for 1h until the mixture is uniform;
2. filtering with 500 mesh filter cloth, and packaging.
3. Mixing the materials according to 30/1, stirring at high speed for 30min, standing for 10min for removing bubbles, compounding PVC/PVDF, and standing at room temperature for 4 days.
Example 2
The embodiment relates to an ultra-weather-resistant bi-component adhesive for building interior and exterior decorations, which comprises the following main agents: 10% of polyhexamethylene glycol adipate, 20% of organic silicon modified oxazine ring type glycidyl epoxy resin, 19.77% of organic silicon modified acrylic resin, 0.05% of 2, 2' -methylene bis- (4-methyl-6-tert-butylphenol), 0.15% of UV-207, 0.03% of stannous octoate and 50% of ethyl acetate. The curing agent comprises the following components: 100% hexamethylene diisocyanate.
The procedure is similar to example 1, except that the glue is dispensed according to 18/1.
Example 3
The embodiment relates to an ultra-weather-resistant bi-component adhesive for building interior and exterior decorations, which comprises the following main agents: 7% of poly sebacic acid-adipic acid-ethylene glycol ester, 22.69% of organic silicon modified oxazine ring type glycidyl epoxy resin, 20% of organic silicon modified acrylic resin, 0.25% of tris (2, 4-tert-butylphenyl) phosphite, 0.05% of UV-207, 0.01 part of dibutyltin dilaurate, and 50% of ethyl acetate. The curing agent comprises the following components: 80% hexamethylene diisocyanate, 20% ethyl acetate.
The procedure is similar to example 1, except that the glue is dispensed according to 22/1.
Example 4
The embodiment relates to an ultra-weather-resistant bi-component adhesive for building interior and exterior decorations, which comprises the following main agents: 9.69 percent of poly adipic acid-hexanediol-butanediol ester, 30 percent of organic silicon modified triazine ring type glycidyl epoxy resin, 10 percent of organic silicon modified acrylic resin, 0.25 percent of 2, 6-di-tert-butyl-4-methylphenol, 0.05 percent of UV-320, 0.01 part of triethylene diamine and 50 percent of ethyl acetate. The curing agent comprises the following components: 80% of hexamethylene diisocyanate and 20% of ethyl acetate.
The procedure is similar to example 1, except that the glue is dispensed according to 22/1.
Comparative example 1
The formulation and method are essentially the same as in example 1, except that: the content of the triazine ring type glycidyl epoxy resin without organic silicon modification, the acrylic resin without organic silicon modification and the poly adipic acid-hexanediol-butanediol ester is 49.15 percent.
Comparative example 2
The formulation and method are essentially the same as in example 1, except that: the content of the poly adipic acid-hexanediol-butanediol ester in the triazine ring type glycidyl epoxy resin without organic silicon modification is 35 percent.
Comparative example 3
The formulation and method are essentially the same as in example 1, except that: the organic silicon modified glycidyl epoxy resin without heterocyclic rings is adopted to replace organic silicon modified triazine ring type glycidyl epoxy resin.
Comparative example 4
The formulation and method are essentially the same as in example 1, except that: the content of the poly adipic acid-hexanediol-butanediol ester in the acrylic resin without organic silicon modification is 19.15 percent.
TABLE 1 test results comparison table
Figure BDA0002181048500000051
As can be seen from the data in Table 1, the examples are higher in both initial strength and strength after accelerated aging than the comparative examples under the same test conditions. The yellowing value delta b of the examples under ultraviolet aging is smaller than that of the comparative examples;
the foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.

Claims (8)

1. The super-weather-resistant bi-component adhesive for the interior and exterior decoration of the building is composed of a main agent and a curing agent, and is characterized in that the main agent comprises the following components in percentage by weight based on the total weight of the main agent:
Figure FDA0003572745400000011
the polyester resin is saturated aliphatic polyester polyol and is one or more of poly adipic acid-hexanediol-butanediol ester, poly adipic acid-neopentyl glycol-ethylene glycol ester, poly sebacic acid-adipic acid-ethylene glycol ester and poly sebacic acid-adipic acid-butanediol ester;
the modified epoxy resin is organosilicon modified heterocyclic glycidyl epoxy resin, and the introduced heterocyclic ring is triazine ring, hydantoin ring or oxazine ring;
the curing agent comprises the following components in percentage by weight based on the total weight of the curing agent:
isocyanate polymer: 60-100%;
solvent: 0 to 40 percent.
2. The super weather-resistant two-component adhesive for building interior and exterior trim according to claim 1, wherein the modified acrylic resin is a silicone modified acrylic resin.
3. The super weatherable two-part adhesive for building interior and exterior trim according to claim 1, wherein the antioxidant is 2, 6-di-tert-butyl-4-methylphenol, 2' -methylenebis- (4-methyl-6-tert-butylphenol), 1,3, 5-tris (4-tert-butyl-3-hydroxy-2, 6-dimethylbenzyl) -1,3, 5-triazine-2, 4,6- (1H,3H,5H) -trione, n-octadecyl beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, hexadecyl 3, 5-di-tert-butyl-4-hydroxy-benzoate, tris (2, 4-tert-butylphenyl) phosphite, tris (4-tert-butylphenyl) phosphite, or mixtures thereof, 2, 2' -methylene-bis- (4-methyl-6-tert-butyl) phenol.
4. The super weatherable two-component adhesive for building interior and exterior trim according to claim 1, wherein the light stabilizer is at least one of salicylates, benzophenones, benzotriazoles, substituted acrylonitriles, triazines, oxalamides, organic nickel complexes and hindered amines.
5. The super weather-resistant two-component adhesive for building interior and exterior decoration according to claim 1, wherein the catalyst is one or more of dibutyltin dilaurate, stannous octoate, triethylene diamine and triethanolamine.
6. The super weather-resistant two-component adhesive for building interior and exterior trim according to claim 1, wherein the solvents in the main agent and the curing agent are respectively selected from one or more of ethyl acetate, butyl acetate, butanone, toluene and xylene.
7. The super weatherable two-part adhesive for building interior and exterior trim according to claim 1, wherein the isocyanate polymer is at least one of hexamethylene diisocyanate, isophorone diisocyanate, hydrogenated phenylmethane diisocyanate trimer, and hydrogenated phenylmethane diisocyanate polymer.
8. Use of the super weatherable bicomponent adhesive according to claim 1 for interior and exterior construction applications in flexible foam-bonded polyvinyl chloride, ethylene-tetrafluoroethylene copolymer film, polyvinylidene fluoride film, polytetrafluoroethylene film, polydimethyl terephthalate film or thermoplastic polyolefin film.
CN201910796303.1A 2019-08-27 2019-08-27 Super-weather-resistant bi-component adhesive for building interior and exterior decoration Active CN112442327B (en)

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CN117551411B (en) * 2024-01-12 2024-04-26 山东凯恩新材料科技有限公司 Epoxy resin modified anti-corrosion polyester hot melt adhesive and preparation method thereof

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CN109735279A (en) * 2018-12-11 2019-05-10 上海维凯光电新材料有限公司 Yellowing-resistant adhesive for solar energy backboard

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011055887A1 (en) * 2009-11-05 2011-05-12 (주)덕산테코피아 Conductive adhesive, method for manufacturing same, and electronic device including the conductive adhesive
CN105255418A (en) * 2015-11-04 2016-01-20 无锡嘉联电子材料有限公司 Preparation method of high-transparency flexible epoxy resin adhesive
CN105602484A (en) * 2015-12-31 2016-05-25 东莞市卓艺印刷制品有限公司 Transfer printing film special for ceramics and preparation method of transfer printing film
CN109504334A (en) * 2018-10-16 2019-03-22 奥美医疗用品股份有限公司 A kind of organic-silicon-modified adhesive of low acid value and preparation method thereof
CN109735279A (en) * 2018-12-11 2019-05-10 上海维凯光电新材料有限公司 Yellowing-resistant adhesive for solar energy backboard

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