CN109233721A - A kind of solar energy backboard solvent-free Adhesive composition and preparation method thereof - Google Patents
A kind of solar energy backboard solvent-free Adhesive composition and preparation method thereof Download PDFInfo
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- CN109233721A CN109233721A CN201810882553.2A CN201810882553A CN109233721A CN 109233721 A CN109233721 A CN 109233721A CN 201810882553 A CN201810882553 A CN 201810882553A CN 109233721 A CN109233721 A CN 109233721A
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- Prior art keywords
- acid
- solar energy
- solvent
- energy backboard
- adhesive composition
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- 239000000853 adhesive Substances 0.000 title claims abstract description 22
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 22
- 239000000203 mixture Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 229920000728 polyester Polymers 0.000 claims abstract description 43
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- 238000007142 ring opening reaction Methods 0.000 claims abstract description 13
- 239000003292 glue Substances 0.000 claims abstract description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 16
- 239000002253 acid Substances 0.000 claims description 16
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 claims description 16
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 claims description 12
- -1 diphenyl dicarboxylic acid Chemical compound 0.000 claims description 12
- 239000000178 monomer Substances 0.000 claims description 12
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 12
- 125000001931 aliphatic group Chemical group 0.000 claims description 10
- 239000012948 isocyanate Substances 0.000 claims description 10
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims description 9
- 229920000305 Nylon 6,10 Polymers 0.000 claims description 8
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 8
- 230000009477 glass transition Effects 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 229940051250 hexylene glycol Drugs 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 5
- 238000007500 overflow downdraw method Methods 0.000 claims description 5
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 4
- 239000001361 adipic acid Substances 0.000 claims description 4
- 235000011037 adipic acid Nutrition 0.000 claims description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 4
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 claims description 4
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 3
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical group OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 claims description 3
- PXGZQGDTEZPERC-UHFFFAOYSA-N 1,4-cyclohexanedicarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)CC1 PXGZQGDTEZPERC-UHFFFAOYSA-N 0.000 claims description 2
- ALVZNPYWJMLXKV-UHFFFAOYSA-N 1,9-Nonanediol Chemical compound OCCCCCCCCCO ALVZNPYWJMLXKV-UHFFFAOYSA-N 0.000 claims description 2
- QFGCFKJIPBRJGM-UHFFFAOYSA-N 12-[(2-methylpropan-2-yl)oxy]-12-oxododecanoic acid Chemical compound CC(C)(C)OC(=O)CCCCCCCCCCC(O)=O QFGCFKJIPBRJGM-UHFFFAOYSA-N 0.000 claims description 2
- YHFGMFYKZBWPRW-UHFFFAOYSA-N 3-methylpentane-1,1-diol Chemical compound CCC(C)CC(O)O YHFGMFYKZBWPRW-UHFFFAOYSA-N 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 239000003377 acid catalyst Substances 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 235000010290 biphenyl Nutrition 0.000 claims description 2
- 239000004305 biphenyl Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical class C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 claims description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 239000012974 tin catalyst Substances 0.000 claims description 2
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 claims description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims 2
- FNQJNAWBIIJHCV-UHFFFAOYSA-N 2-butyl-2-propylpropane-1,3-diol Chemical compound CCCCC(CO)(CO)CCC FNQJNAWBIIJHCV-UHFFFAOYSA-N 0.000 claims 1
- 150000008065 acid anhydrides Chemical class 0.000 claims 1
- 239000003205 fragrance Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 239000002904 solvent Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 10
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 description 6
- 239000005020 polyethylene terephthalate Substances 0.000 description 6
- 230000032683 aging Effects 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 150000002513 isocyanates Chemical class 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 229920002620 polyvinyl fluoride Polymers 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000012975 dibutyltin dilaurate Substances 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007719 peel strength test Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- WFLOTYSKFUPZQB-UHFFFAOYSA-N 1,2-difluoroethene Chemical group FC=CF WFLOTYSKFUPZQB-UHFFFAOYSA-N 0.000 description 1
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
- C09J167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
-
- 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
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
- C08G63/183—Terephthalic acids
-
- 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
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/199—Acids or hydroxy compounds containing cycloaliphatic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/204—Applications use in electrical or conductive gadgets use in solar cells
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Present invention discloses a kind of solar energy backboard solvent-free Adhesive compositions and preparation method thereof, it is stirred composition: cyclic polyester 40 ~ 60%, branched polyesters 10 ~ 40%, curing agent 10 ~ 30% and ring opening catalyst 0.1 ~ 1% by mass percentage by following components.The beneficial effects of the present invention are embodied in: the component forms solar energy backboard glue composition by simple technical process, being capable of large-scale industrial production.Specific combination through the invention, does not need it in use using solvent, environmental protection and energy saving.
Description
Technical field
The invention belongs to technical field of solar batteries more particularly to a kind of solvent-free environment-friendlyadhesive adhesives for solar energy backboard
Glutinous agent composition and preparation method thereof.
Background technique
In solar battery, the screening glass of rear surface of solar cell is set by adhesive, to solar battery cell
Protection and supporting role are played, which is known as backboard, and has weatherability, water-resistance, heat resistance, moisture barrier gentle
The various excellent physical properties such as body barrier property can be effectively prevented medium, especially water, oxygen, corrosivity gas-liquid etc. to too
Positive energy cell piece bring adverse effect, prevents the above degree for influencing reduction solar cell properties and degenerating, and backboard plays
Extend the effect of solar battery life.
But the resin viscosity for being generally used for adhesive is larger, cannot directly construct, for convenient for coating construction, when practical operation
It will be diluted with a large amount of solvents.Therefore, currently used for all containing a large amount of organic solvent in the glue of solar energy backboard, such as
Ethyl acetate etc. is easy to cause largely pollution and the waste of the energy in the construction process, so, it is badly in need of developing new produce instantly
Product are to solve the problems, such as this.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of solvent-free Adhesive compositions of solar energy backboard
And preparation method thereof.
The purpose of the present invention is achieved through the following technical solutions:
A kind of solvent-free Adhesive composition of solar energy backboard, is made of by mass percentage following components: cyclic polyester 40 ~
60%, branched polyesters 10 ~ 40%, curing agent 10 ~ 30% and ring opening catalyst 0.1 ~ 1%.
Preferably, the cyclic polyester molecular weight be 2000 ~ 5000, principal monomer by aromatic acid, aliphatic or
Cycloaliphatic diacid, aliphatic dihydroxy alcohol are prepared, glass transition temperature -50 ~ 10 DEG C.
Preferably, the molecular weight of the branched polyesters is 3000 ~ 7000, and glass transition temperature is -10 ~ 20 DEG C, acid value
0.5 ~ 3mgKOH/g, 20 ~ 70mgKOH/g of hydroxyl value.
Preferably, the aromatic acid be selected from terephthalic acid (TPA), M-phthalic acid, phthalic acid, naphthalene dicarboxylic acids,
Diphenyl dicarboxylic acid is one such or more than one are combined；Aliphatic or cycloaliphatic diacid are selected from: 1,4 cyclohexanedicarboxylic acid,
1,3- cyclohexane cyclohexanedimethanodibasic, succinic acid, adipic acid, azelaic acid, decanedioic acid, dodecanedioic acid, dimeric dibasic acid are one such or one
Kind combination of the above；Aliphatic dihydroxy alcohol is selected from: ethylene glycol, 1,2-PD, 1,3-PD, 1,4-butanediol, 1,5- penta 2
Alcohol, hexylene glycol, neopentyl glycol, 1,9- nonanediol, 3- methyl-pentanediol, 2- butyl 2- propyl -1,3-PD therein one
Kind or more than one combinations.
Preferably, the curing agent is aliphatic isocyanates compound, aliphatic isocyanates compound or alicyclic
Isocyanate compound.
Preferably, the ring opening catalyst is one of tin catalyst, phosphorus acid catalyst or amines catalyst.
Preferably, the preparation method of above-described a kind of solvent-free Adhesive composition of solar energy backboard, including such as
Lower step:
S1, cyclic polyester is prepared, in proportion by aromatic acid, aliphatic or cycloaliphatic diacid, aliphatic dihydroxy alcohol
Prepare cyclic polyester；
S2, preparation branched polyesters, are prepared using containing polyfunctional monomer, dihydric alcohol and binary acid by ontology fusion method
Branched polyesters；
S3, it mixes in proportion, the cyclic polyester of S1 preparation, the branched polyesters of S2 preparation and curing agent and ring opening catalyst is pressed
Cyclic polyester 40 ~ 60%, branched polyesters 10 ~ 40%, the mass percent of curing agent 10 ~ 30% and ring opening catalyst 0.1 ~ 1% are stirred
Mixing is mixed, the glue for solar energy backboard is obtained.
Preferably, in the S2 multitube energy single group body be selected from trimellitic anhydride, trimethylolpropane, trimethylolethane,
One of pentaerythrite, pyromellitic dianhydride or more than one combination.
The beneficial effects of the present invention are embodied in: the component forms solar energy backboard glue by simple technical process and combines
Object, being capable of large-scale industrial production.Specific combination through the invention, does not need it in use using solvent,
Environmental protection and energy saving.
Realization principle of the invention is based on: cyclic polyester is combined with branched polyesters, is had very well in room temperature and lower temperature
Mobility, then linear polyesters are obtained by cyclic polyester ring-opening reaction, solidification are reacted with adhesive.Simultaneously as main chain is
Polyester construction, when use, can be good at binding PVF (polyvinyl fluoride (Polyvinyl Fluoride)) film, gather inclined difluoro
Ethylene (PVD) film or PET (polyethylene terephthalate (Polyethylene Terephthalate)) film,
Make solar cell backboard that there are the characteristics such as good environment resistant erosiveness, insulating capacity.
Specific embodiment
Embodiment 1
By 45 parts of cyclic polyesters (1a), 40 parts of branched polyesters (1b), 14 parts of isocyanate curing agent N3300 and 1 part
Ring opening catalyst stannous octoate, put into container in stir, be uniformly mixed, obtain the glue for solar energy backboard.
Wherein, when being 1 based on total acid molar content, in 1a resin the molar ratio of each monomer be terephthalic acid (TPA) 0.2,
Phthalic acid 0.2, adipic acid 0.6, neopentyl glycol 0.4, hexylene glycol 0.6；Molecular weight 4000.
1b resin is to pass through ontology using monomers terephthalic acid, decanedioic acid, ethylene glycol, neopentyl glycol, trimellitic anhydride
The collateralization polyester that fusion method is prepared, molecular weight 5000,5 DEG C of glass transition temperature, acid value 1mg KOH/g, hydroxyl
Value 50mg KOH/g.
Embodiment 2
By 50 parts of cyclic polyesters (2a), 40 parts of branched polyesters (2b), 9 parts of isocyanate curing agent N3300 and 1 part
Ring opening catalyst stannous octoate puts into container and stirs, and is uniformly mixed, obtains the glue for solar energy backboard；
Wherein, when being 1 based on total acid molar content, the ratio of each monomer in 2a resin are as follows: phthalic acid 0.3, isophthalic diformazan
Sour 0.2, decanedioic acid 0.5, butanediol 0.7, hexylene glycol 0.3；Molecular weight 5000.
2b resin is molten by ontology using monomer M-phthalic acid, adipic acid, ethylene glycol, neopentyl glycol, pentaerythrite
Melt and is branched polyester obtained by method preparation, molecular weight 4000,0 DEG C of glass transition temperature, acid value 1mg KOH/g, hydroxyl value
60mg KOH/g。
Embodiment 3
By 55 parts of cyclic polyesters (3a), 30 parts of branched polyesters (3b), 14.5 parts of isocyanate curing agent N3390 and
0.5 part of ring opening catalyst dibutyl tin dilaurate puts into container and stirs, and is uniformly mixed, and obtains for solar energy backboard
Glue.
Wherein, when being 1 based on total acid molar content, the molar ratio of each monomer is in 3a resin, phthalic acid 0.3,
Decanedioic acid 0.7, neopentyl glycol 0.7, hexylene glycol 0.3；Molecular weight 4000.
3b resin is to pass through this using monomers terephthalic acid, decanedioic acid, ethylene glycol, neopentyl glycol, trimethylolpropane
Its molecular weight of collateralization polyester that body fusion method is prepared be 4000, -10 DEG C of glass transition temperature, acid value 1mg KOH/g,
Hydroxyl value 35mg KOH/g
Embodiment 4
By 40 parts of cyclic polyesters (4a), 48 parts of branched polyesters (4b), 11.5 parts of isocyanate curing agent N3390 and
0.5 part of ring opening catalyst dibutyl tin dilaurate puts into container and stirs, and is uniformly mixed, and obtains for solar energy backboard
Glue.
Wherein, when being 1 based on total acid molar content, the molar ratio of each monomer is phthalic acid 0.3,1 in 4a resin,
4- cyclohexane cyclohexanedimethanodibasic 0.25, decanedioic acid 0.45, neopentyl glycol 0.7, hexylene glycol 0.3；Molecular weight 4000.
4b resin is to pass through this using monomer M-phthalic acid, decanedioic acid, ethylene glycol, neopentyl glycol, trimethylolpropane
Its molecular weight of collateralization polyester that body fusion method is prepared be 3800, -10 DEG C of glass transition temperature, acid value 1mg KOH/g,
Hydroxyl value 40mg KOH/g.
Comparative example
Commercially available solar energy backboard glue, 50% consolidate contain, solvent ethyl acetate
The preparation of composite layer
The solar cell backboard of above-described embodiment and comparison example is applied to adhesive and is used for solar cell backboard
It is transparent.
Polyethylene terephthalate (PET) sheet material (ECOSYAR VE500, Japan are spun), sizing solid content are
10g/m2, then 10 minutes dry at 80 DEG C.Then, by transparent polyvinylidene fluoride (PVD) film of surface treatment
(Kyner Film 302PGM TR, A Kema) is placed on the adhesive coating surface of the PET sheet material, so that described
The surface of surface treatment is contacted with described adhesive coating surface, and then compound using applanation machine, press pressure is
1.0MPa, temperature 50 C, compressing time 30 minutes.While pressing, aging 2 days, obtain composite layer at 50 DEG C.
The evaluation of composite layer
1) peel strength test:
Composite layer is cut to the piece of 15mm × 200mm, using instron, at 25 DEG C, with the examination of 50mm/min
It tests speed and carries out 180 ° of disbonded tests.
Evaluation criterion:
Excellent: peel strength is 10N/15mm or more.Good: peel strength is 6N/15mm more than and less than 10N/15mm.
Difference: peel strength is 1N/15mm more than and less than 6N/15mm.
2) hydrolytic resistance is tested after high temperature and humidity:
Composite layer is cut to the piece of 15mm × 200mm, is put into pressure cooker, under 121 DEG C and 0.1MPa of pressurized environment
Exposure 25 hours is taken out, then aging 1 day under room temperature environment.Instron is reused, at 25 DEG C, with
The test speed of 50mm/min carries out 180 ° of disbonded tests.
Evaluation criterion:
Excellent: peel strength is 10N/15mm or more.Good: peel strength is 6N/15mm more than and less than 10N/15mm.
Difference: peel strength is 1N/15mm more than and less than 6N/15mm.
3) weatherability is tested:
Composite layer is cut to the piece of 50mm × 150mm, accelerated ageing survey is carried out for composite layer using xenon lamp weather-resistant tester
Examination experiment.Appearance according to ASTM G155 standard, after observing light irradiation.
Evaluation criterion:
It is excellent: without exception.It is good: slight crackle or discoloration.Difference: obvious crackle or discoloration.
4) peel strength test after illumination:
Composite layer is cut to the piece of 50mm × 150mm, accelerated ageing survey is carried out for composite layer using xenon lamp weather-resistant tester
Examination experiment.According to ASTM G155 standard, after illumination, instron is then used, at 25 DEG C, with 50mm/
The test speed of min carries out 180 ° of disbonded tests.
Evaluation criterion:
Excellent: peel strength is 9N/15mm or more.Good: peel strength is 5N/15mm more than and less than 9N/15mm.Difference:
Peel strength is 1N/15mm more than and less than 4N/15mm.
5) humidity resistance burn-in test:
Composite layer is cut to the sheet of 50mm × 150mm, is put into high temperature and humidity test case, experiment condition: humidity is
85%, temperature be 85 DEG C, the time be 1000 hours, carry out humidity resistance burn-in test, observation semblance measure film whether without
It is dusting, not blistering, while adhesive force is tested using cross-hatching, it does not fall off for qualification.
Performance comparison:
| Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example |
| Peel strength | It is excellent | It is excellent | It is excellent | It is excellent | It is excellent |
| Resistant to hydrolysis after high temperature and humidity | It is excellent | It is good | It is excellent | It is excellent | It is excellent |
| Weatherability | It is excellent | It is excellent | It is excellent | It is excellent | It is good |
| Peel strength after illumination | It is excellent | It is excellent | It is good | It is excellent | It is good |
| Humidity resistance aging | It is excellent | It is excellent | It is excellent | It is good | It is excellent |
。
By comparing above, it can be found that this method can keep excellent resistance and adhesiveness while can not use organic molten
Agent, economical environment-protective.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (8)
1. a kind of solvent-free Adhesive composition of solar energy backboard, it is characterised in that: by following components group by mass percentage
At: cyclic polyester 40 ~ 60%, branched polyesters 10 ~ 40%, curing agent 10 ~ 30% and ring opening catalyst 0.1 ~ 1%.
2. a kind of solvent-free Adhesive composition of solar energy backboard as described in claim 1, it is characterised in that: the ring-type
Molecular weight of polyesters is 2000 ~ 5000, and principal monomer is by aromatic acid, aliphatic or cycloaliphatic diacid, binary aliphatic
Alcohol is prepared, glass transition temperature -50 ~ 10 DEG C.
3. a kind of solvent-free Adhesive composition of solar energy backboard as described in claim 1, it is characterised in that: the branch
The molecular weight of polyester is 3000 ~ 7000, and glass transition temperature is -10 ~ 20 DEG C, 0.5 ~ 3mgKOH/g of acid value, hydroxyl value 20 ~
70mgKOH/g。
4. a kind of solvent-free Adhesive composition of solar energy backboard as claimed in claim 2, it is characterised in that: the fragrance
Race's binary acid be selected from terephthalic acid (TPA), M-phthalic acid, phthalic acid, naphthalene dicarboxylic acids, diphenyl dicarboxylic acid it is one such or
More than one combinations；Aliphatic or cycloaliphatic diacid are selected from: 1,4 cyclohexanedicarboxylic acid, 1,3- cyclohexane cyclohexanedimethanodibasic, fourth two
Acid, adipic acid, azelaic acid, decanedioic acid, dodecanedioic acid, dimeric dibasic acid are one such or more than one are combined；Binary aliphatic
Alcohol is selected from: ethylene glycol, 1,2-PD, 1,3-PD, 1,4-butanediol, 1,5-PD, hexylene glycol, neopentyl glycol, 1,
9- nonanediol, 3- methyl-pentanediol, 2- butyl 2- propyl -1,3- propylene glycol are one such or more than one are combined.
5. a kind of solvent-free Adhesive composition of solar energy backboard as described in claim 1, it is characterised in that: the solidification
Agent is aliphatic isocyanates compound, aliphatic isocyanates compound or alicyclic isocyanate compound.
6. a kind of solvent-free Adhesive composition of solar energy backboard as described in claim 1, it is characterised in that: the open loop
Catalyst is one of tin catalyst, phosphorus acid catalyst or amines catalyst.
7. a kind of preparation method of the solvent-free Adhesive composition of solar energy backboard as described in claim 1, feature exist
In: include the following steps:
S1, cyclic polyester is prepared, in proportion by aromatic acid, aliphatic or cycloaliphatic diacid, aliphatic dihydroxy alcohol
Prepare cyclic polyester；
S2, preparation branched polyesters, are prepared using containing polyfunctional monomer, dihydric alcohol and binary acid by ontology fusion method
Branched polyesters；
S3, it mixes in proportion, the cyclic polyester of S1 preparation, the branched polyesters of S2 preparation and curing agent and ring opening catalyst is pressed
Cyclic polyester 40 ~ 60%, branched polyesters 10 ~ 40%, the mass percent of curing agent 10 ~ 30% and ring opening catalyst 0.1 ~ 1% are stirred
Mixing is mixed, the glue for solar energy backboard is obtained.
8. a kind of preparation method of the solvent-free Adhesive composition of solar energy backboard as claimed in claim 7, feature exist
In: multitube energy single group body is selected from trimellitic anhydride, trimethylolpropane, trimethylolethane, pentaerythrite, equal benzene in the S2
One of four acid anhydrides or more than one combination.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115449246A (en) * | 2022-09-21 | 2022-12-09 | 无锡新而奇化工科技有限公司 | Preparation method of super-weather-resistant powder coating |
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