CN101805569B - Transparent butyl hot-melt sealant and preparation method thereof - Google Patents
Transparent butyl hot-melt sealant and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a transparent butyl hot-melt sealant, which is prepared with the following raw materials in parts by weight: 1-20 of butyl rubber, 10-80 of polyisobutylene, 5-30 of plasticizer, 3-10 of tackifier, 3-10 of softener, 0.1-5 of stabilizer, 5-30 of filler and 0.1-5 of adhesion promoting agent. The matching use of the butyl rubber and the polyisobutylene with different molecular weights facilitates the improvement of the strength and workability of the transparent butyl hot-melt sealant. The filler is selected from fumed silica or precipitated silica, which ensures the appearance transparency of the product. Due to the addition of the stabilizer and the strict control of the production process, the appearance transparency and the physical and chemical properties of the product are enhanced. The use of the active group substituted alkoxy silane as a coupling agent improves the adhesion of the product to glass, aluminum and other substrates.
Description
Technical field
The invention belongs to the sealer technical field, be specifically related to a kind of transparent butyl hot-melt sealant and preparation method thereof.
Background technology
Glass curtain wall is a kind of construction wall trailing of novelty, is the notable feature in modern high-rise building epoch.Along with the continuous development of science and technology and the people pursuit to U.S.A, glass curtain wall obtains application more and more widely in the every field of building.Many architects adopt glass curtain wall, in order to expand the visual field, draw scape and enter the room; Make the space have more extensibility, interactive and fluency; Make buildings have penetrating sense and associative perception, require minimum blocking, can not realize this requirement and there is frame curtain wall (comprising full glass curtain wall and point supported curtain wall).The overwhelming majority of glass curtain wall use at present is a double glazing; Particularly the point supported curtain wall major part adopts transparent white glass and silver-gray aluminium alloy extrusions; For exigent owner, if adopt traditional black or dark sealer to be difficult to reach the globality effect of curtain wall and visual attractive in appearance.White is being sought by present many curtain wall enterprise or transparent sealer satisfies this requirement.At present, the thermally melting butyl sealant product that occurs on the market, its color mostly is black or dark color.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the prior art, provide a kind of double glazing with transparent butyl hot-melt sealant and preparation method thereof.
Transparent butyl hot-melt sealant of the present invention, its starting material component and ratio of weight and number thereof are for example following:
Butyl rubber 1～20
Polyisobutene 10～80
Softening agent 5～30
Tackifier 3～10
Tenderizer 3～10
Stablizer 0.1～5
Filler 5～30
Adhesion promoters 0.1～5.
The sticking equal molecular-weight average of the butyl rubber described in the transparent butyl hot-melt sealant of the present invention is 300000～500000.Like EXXON Company products 065,268 etc.
The sticking equal molecular-weight average of described polyisobutene is 30000～100000.Like Nippon Oil(Nippon Mitsubishi Oil) Company products 5T, BASF AG's product B 10, B12, B15 etc.
Described softening agent is any one in phthalate, alkyl sulfonates and the lower molecular weight polybutylenes.Like DEP, DOP, PB450, PB2400 etc.
Described tackifier are any one in tree oil lipid, styrenic block copolymer, alkene footpath multipolymer, rosin tree lipid or the resol class.
Described tenderizer is NO, aromatic hydrocarbon oil, X-former wet goods.
Described stablizer comprises UV light absorber and oxidation inhibitor, and wherein UV light absorber is salicylate class, benzophenone class, benzotriazole category etc.As: UV Absorber BAD, UV-9, UV-531, UV-327 etc.; Oxidation inhibitor is tertiary butyl phenols.As: Irganox 1010, Irganox 168, Irganox245 etc.
Described filler is aerosil or precipitated silica.
Described adhesion promoters is γ-An Bingjisanjiayangjiguiwan, N-(β-aminoethyl)-γ-An Bingjisanjiayangjiguiwan, γ-mercaptopropyl trimethoxysilane, γ-[(2,3)-epoxy third oxygen] propyl trimethoxy silicane, two-(3-triethoxysilylpropyltetrasulfide) polysulfide etc.
Preparing method in the sealer of the present invention is: after under 130 ℃～160 ℃ of high temperature, in kneader, adding butyl rubber, polyisobutene, softening agent, tackifier, tenderizer, UV light absorber, oxidation inhibitor successively; Blend is 30～60 minutes under vacuum protection; Add filler again; Vacuum protection descends mixing 60 minutes, adds the mixing of adhesion promoters vacuum after 30 minutes then, is uniformly dispersed and transparent butyl hot-melt sealant.
Compare with prior art, beneficial effect of the present invention is following:
1. adopt the butyl rubber and the polyisobutene of different molecular weight to be used, be beneficial to the intensity and the workability that improve transparent butyl hot-melt sealant.
2. filler is selected aerosil or precipitated silica for use, has guaranteed the appearance transparence of product.
2. adding stablizer, and strict control production technique improves the appearance transparence of product and the physicochemical property of product.
3. adopt the substituted organoalkoxysilane of reactive group as coupling agent, improved the adhesiveproperties of product base materials such as glass, aluminium.
Embodiment
Through embodiment the present invention is described further below, but and does not limit the present invention in any way.
Embodiment 1
Transparent butyl hot-melt sealant of the present invention, its starting material component and ratio of weight and number thereof are for example following:
Butyl rubber (268) 8.6
Polyisobutene (5T) 40.4
Softening agent (PB450) 16.2
Tackifier (hydrogenated petroleum resin E-5380) 5.2
Tenderizer (NO YT-12) 3.8
Stablizer uv-absorbing agent (benzophenone class UV-531) 0.35
Oxidation inhibitor (tertiary butyl phenols Irganox 1010) 0.95
Filler (aerosil LM-150) 24
Adhesion promoters (N-(β-aminoethyl)-γ-An Bingjisanjiayangjiguiwan) 0.5.
During preparation; After under 150 ℃～180 ℃ of high temperature, in kneader, adding butyl rubber, polyisobutene, softening agent, tackifier, tenderizer, UV light absorber, oxidation inhibitor successively; Blend is 30～60 minutes under vacuum protection; Add filler again, vacuum protection descends mixing 60 minutes, adds the mixing of adhesion promoters vacuum after 30 minutes then, is uniformly dispersed and transparent butyl hot-melt sealant.
Embodiment 2
Transparent butyl hot-melt sealant of the present invention, its starting material component and ratio of weight and number thereof are for example following:
Butyl rubber (065) 1
Polyisobutene (B15) 10
Softening agent (phthalate DOP) 5
Tackifier (tree oil lipid E-2105) 3
Tenderizer (NO YT-12) 3
Stablizer uv-absorbing agent (salicylate class BAD) 0.05
Oxidation inhibitor (tertiary butyl phenols Irganox 1010) 0.05
Filler (aerosil LM-150) 5
Adhesion promoters (N-(β-aminoethyl)-γ-An Bingjisanjiayangjiguiwan) 0.1.
During preparation; After under 150 ℃ of high temperature, in kneader, adding butyl rubber, polyisobutene, softening agent, tackifier, tenderizer, UV light absorber, oxidation inhibitor successively; Blend is 60 minutes under vacuum protection; Add filler again, vacuum protection descends mixing 60 minutes, adds the mixing of adhesion promoters vacuum after 30 minutes then, is uniformly dispersed and transparent butyl hot-melt sealant.
Embodiment 3
Transparent butyl hot-melt sealant of the present invention, its starting material component and ratio of weight and number thereof are for example following:
Butyl rubber (268) 3
Polyisobutene (5T) 20
Softening agent (phthalate DOP) 8
Tackifier (tree oil lipid E-2105) 4
Tenderizer (NO YT-12) 4
Stablizer uv-absorbing agent (salicylate class BAD) 0.3
Oxidation inhibitor (tertiary butyl phenols Irganox 1010) 0.7
Filler (aerosil LM-150) 10
Adhesion promoters (N-(β-aminoethyl)-γ-An Bingjisanjiayangjiguiwan) 1.
During preparation; After under 180 ℃ of high temperature, in kneader, adding butyl rubber, polyisobutene, softening agent, tackifier, tenderizer, UV light absorber, oxidation inhibitor successively; Blend is 30 minutes under vacuum protection; Add filler again, vacuum protection descends mixing 60 minutes, adds the mixing of adhesion promoters vacuum after 30 minutes then, is uniformly dispersed and transparent butyl hot-melt sealant.
Embodiment 4
Transparent butyl hot-melt sealant of the present invention, its starting material component and ratio of weight and number thereof are for example following:
Butyl rubber (268) 5
Polyisobutene (5T) 30
Softening agent (alkyl sulfonates DOS) 10
Tackifier (styrenic block copolymer SIS-1204) 5
Tenderizer (aromatic hydrocarbon oil FTY-1215) 5
Stablizer uv-absorbing agent (benzophenone class UV-531) 0.5
Oxidation inhibitor (tertiary butyl phenols Irganox 168) 1.5
Filler (aerosil LM-150) 15
Adhesion promoters (γ-An Bingjisanjiayangjiguiwan) 2.
During preparation; After under 160 ℃ of high temperature, in kneader, adding butyl rubber, polyisobutene, softening agent, tackifier, tenderizer, UV light absorber, oxidation inhibitor successively; Blend is 40 minutes under vacuum protection; Add filler again, vacuum protection descends mixing 60 minutes, adds the mixing of adhesion promoters vacuum after 30 minutes then, is uniformly dispersed and transparent butyl hot-melt sealant.
Embodiment 5
Transparent butyl hot-melt sealant of the present invention, its starting material component and ratio of weight and number thereof are for example following:
Butyl rubber (268) 8
Polyisobutene (5T) 40
Softening agent (alkyl sulfonates DOS) 12
Tackifier (styrenic block copolymer SIS-1204) 6
Tenderizer (aromatic hydrocarbon oil FTY-1215) 6
Stablizer uv-absorbing agent (benzophenone class UV-531) 1
Oxidation inhibitor (tertiary butyl phenols Irganox 168) 2
Filler (aerosil LM-150) 20
Adhesion promoters (γ-An Bingjisanjiayangjiguiwan) 3.
During preparation; After under 170 ℃ of high temperature, in kneader, adding butyl rubber, polyisobutene, softening agent, tackifier, tenderizer, UV light absorber, oxidation inhibitor successively; Blend is 40 minutes under vacuum protection; Add filler again, vacuum protection descends mixing 60 minutes, adds the mixing of adhesion promoters vacuum after 30 minutes then, is uniformly dispersed and transparent butyl hot-melt sealant.
Embodiment 6
Transparent butyl hot-melt sealant of the present invention, its starting material component and ratio of weight and number thereof are for example following:
Butyl rubber (268) 10
Polyisobutene (5T) 50
Softening agent (lower molecular weight polybutylenes PB2400) 15
Tackifier (alkene footpath multipolymer EVA4201) 7
Tenderizer (transformer oil 45# transformer oil) 7
Stablizer uv-absorbing agent (benzotriazole category UV-327) 2
Oxidation inhibitor (tertiary butyl phenols Irganox1010) 2
Filler (precipitated silica 325A) 25
Adhesion promoters (γ-mercaptopropyl trimethoxysilane) 4.
The preparation method who repeats embodiment 5 is uniformly dispersed and transparent butyl hot-melt sealant.
Embodiment 7
Transparent butyl hot-melt sealant of the present invention, its starting material component and ratio of weight and number thereof are for example following:
Butyl rubber (268) 13
Polyisobutene (5T) 60
Softening agent (lower molecular weight polybutylenes PB450) 18
Tackifier (alkene footpath multipolymer EVA4201) 8
Tenderizer (transformer oil 45# transformer oil) 8
Stablizer uv-absorbing agent (benzotriazole category UV-327) 2
Oxidation inhibitor (tertiary butyl phenols Irganox1010) 3
Filler (precipitated silica 325A) 30
Adhesion promoters (γ-mercaptopropyl trimethoxysilane) 5.
The preparation method who repeats embodiment 5 is uniformly dispersed and transparent butyl hot-melt sealant.
Embodiment 8
Transparent butyl hot-melt sealant of the present invention, its starting material component and ratio of weight and number thereof are for example following:
Butyl rubber (268) 15
Polyisobutene (5T) 70
Softening agent (lower molecular weight polybutylenes PB2400) 20
Tackifier (rosin tree lipid RGR-2) 9
Tenderizer (aromatic hydrocarbon oil FTY-1215) 10
Stablizer uv-absorbing agent (benzotriazole category UV-327) 1.5
Oxidation inhibitor (tertiary butyl phenols Irganox1010) 1
Filler (precipitated silica 325A) 23
Adhesion promoters (γ-[(2,3)-epoxy third oxygen] propyl trimethoxy silicane) 3.5.
The preparation method who repeats embodiment 5 is uniformly dispersed and transparent butyl hot-melt sealant.
Embodiment 9
Transparent butyl hot-melt sealant of the present invention, its starting material component and ratio of weight and number thereof are for example following:
Butyl rubber (268) 18
Polyisobutene (5T) 80
Softening agent (alkyl sulfonates DOS) 25
Tackifier (rosin tree lipid RGR-2) 10
Tenderizer (aromatic hydrocarbon oil FTY-1215) 9
Stablizer uv-absorbing agent (salicylate class BAD) 1.5
Oxidation inhibitor (tertiary butyl phenols Irganox1010) 2
Filler (precipitated silica 325A) 28
Adhesion promoters (γ-[(2,3)-epoxy third oxygen] propyl trimethoxy silicane) 1.5.
The preparation method who repeats embodiment 5 is uniformly dispersed and transparent butyl hot-melt sealant.
Embodiment 10
Transparent butyl hot-melt sealant of the present invention, its starting material component and ratio of weight and number thereof are for example following:
Butyl rubber (268) 20
Polyisobutene (5T) 65
Softening agent (phthalate DOP) 30
Tackifier (resol class 2246) 6
Tenderizer (aromatic hydrocarbon oil FTY-1215) 7
Stablizer uv-absorbing agent (salicylate class BAD) 1.5
Oxidation inhibitor (tertiary butyl phenols Irganox1010) 1
Filler (precipitated silica 325B) 18
Adhesion promoters (two-(3-triethoxysilylpropyltetrasulfide) polysulfide) 2.5.
The preparation method who repeats embodiment 5 is uniformly dispersed and transparent butyl hot-melt sealant.
The comparative example 1
Transparent butyl hot-melt sealant, its starting material component and ratio of weight and number thereof are for example following:
Butyl rubber (268) 8.6
Polyisobutene (5T) 40.4
Softening agent (PB450) 16.2
Hydrogenated petroleum resin E-5380 5.2
Tenderizer (FTY-1215) 3.8
Aerosil LM-150 24
N-(β-aminoethyl)-γ-An Bingjisanjiayangjiguiwan 0.5.
Add the stablizer except saving, repeat similar step, and obtain finely dispersed butyl hot-melt sealant like embodiment 1.
The comparative example 2
Transparent butyl hot-melt sealant, its starting material component and ratio of weight and number thereof are for example following:
Butyl rubber (268) 8.6
Polyisobutene (5T) 40.4
Softening agent (PB450) 16.2
Hydrogenated petroleum resin E-5380 5.2
Tenderizer FTY-1215 3.8
Light calcium carbonate PD-90 50
Stablizer uv-absorbing agent (salicylate class) BAD 1.5
Oxidation inhibitor (tertiary butyl phenols) Irganox1010 2
N-(β-aminoethyl)-γ-An Bingjisanjiayangjiguiwan 0.5.
Except changing filling kind, repeat similar step, and obtain finely dispersed butyl hot-melt sealant like embodiment 1.
The comparative example 3
Transparent butyl hot-melt sealant, its starting material component and ratio of weight and number thereof are for example following:
Butyl rubber (268) 8.6
Polyisobutene (5T) 40.4
Softening agent (PB450) 16.2
Hydrogenated petroleum resin E-5380 5.2
Tenderizer FTY-1215 3.8
Light calcium carbonate PD-90 50
Stablizer uv-absorbing agent (salicylate class) BAD 1.5
Oxidation inhibitor (tertiary butyl phenols) Irganox1010 2
Add the adhesion promoters except saving, repeat similar step, and obtain finely dispersed butyl hot-melt sealant like embodiment 1.
Weight part in the foregoing description and the Comparative Examples is unit with the kilogram.
The following sealer that in embodiment 1～10 and comparative example 1～3, obtains of estimating, the result lists in table 1.
Performance test is all by JC/T914-2003 " double glazing is used butyl hot-melt sealant " determination of test method.
Table 1 embodiment of the invention product and Comparative Examples performance of products test result
1.: sample 20% interfacial failure.
Claims (1)
1. transparent butyl hot-melt sealant is characterized in that its feed composition and parts by weight thereof are following:
The sticking equal molecular-weight average of described butyl rubber is 300000～500000;
The sticking equal molecular-weight average of described polyisobutene is 30000～100000;
Described softening agent is any one in phthalate, alkyl sulfonates or the lower molecular weight polybutylenes;
Described tackifier are any one in tree oil lipid, styrenic block copolymer, olefin copolymer, rosin tree lipid or the resol class;
Described tenderizer is any one in NO, aromatic hydrocarbon oil or the transformer oil;
Described stablizer comprises UV light absorber and oxidation inhibitor, and wherein UV light absorber is selected from salicylate class, benzophenone class, benzotriazole category UV light absorber, and oxidation inhibitor is the tert-butyl phenol kind antioxidant;
Described filler is aerosil or precipitated silica;
Described adhesion promoters is any one in γ-An Bingjisanjiayangjiguiwan, N-(β-aminoethyl)-γ-An Bingjisanjiayangjiguiwan, γ-mercaptopropyl trimethoxysilane, γ-[(2,3)-epoxy third oxygen] propyl trimethoxy silicane or two-(3-triethoxysilylpropyltetrasulfide) polysulfide.
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| CN101805569A (en) | 2010-08-18 |
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