CN103304862A - Waterproof sealing paste producing chemical crosslinking and physical mortising with cement - Google Patents
Waterproof sealing paste producing chemical crosslinking and physical mortising with cement Download PDFInfo
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- CN103304862A CN103304862A CN2013102769095A CN201310276909A CN103304862A CN 103304862 A CN103304862 A CN 103304862A CN 2013102769095 A CN2013102769095 A CN 2013102769095A CN 201310276909 A CN201310276909 A CN 201310276909A CN 103304862 A CN103304862 A CN 103304862A
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- waterproof sealing
- tenon
- cement
- chemically crosslinked
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- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 53
- 239000004568 cement Substances 0.000 title claims abstract description 38
- 238000010382 chemical cross-linking Methods 0.000 title abstract 2
- 229920000126 latex Polymers 0.000 claims abstract description 22
- 239000010426 asphalt Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000945 filler Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000006071 cream Substances 0.000 claims description 38
- 230000001804 emulsifying effect Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 17
- -1 titanic acid ester Chemical class 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 12
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 12
- 239000004816 latex Substances 0.000 claims description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 229920006174 synthetic rubber latex Polymers 0.000 claims description 8
- 239000004902 Softening Agent Substances 0.000 claims description 7
- 239000000839 emulsion Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000008719 thickening Effects 0.000 claims description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- TVWTZAGVNBPXHU-FOCLMDBBSA-N dioctyl (e)-but-2-enedioate Chemical compound CCCCCCCCOC(=O)\C=C\C(=O)OCCCCCCCC TVWTZAGVNBPXHU-FOCLMDBBSA-N 0.000 claims description 5
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 125000004423 acyloxy group Chemical group 0.000 claims description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- JBSLOWBPDRZSMB-FPLPWBNLSA-N dibutyl (z)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C/C(=O)OCCCC JBSLOWBPDRZSMB-FPLPWBNLSA-N 0.000 claims description 4
- 150000004002 naphthaldehydes Chemical class 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 4
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- JBSLOWBPDRZSMB-BQYQJAHWSA-N dibutyl (e)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C\C(=O)OCCCC JBSLOWBPDRZSMB-BQYQJAHWSA-N 0.000 claims description 3
- 235000011187 glycerol Nutrition 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 235000010413 sodium alginate Nutrition 0.000 claims description 3
- 239000000661 sodium alginate Substances 0.000 claims description 3
- 229940005550 sodium alginate Drugs 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- ALVYUZIFSCKIFP-UHFFFAOYSA-N triethoxy(2-methylpropyl)silane Chemical compound CCO[Si](CC(C)C)(OCC)OCC ALVYUZIFSCKIFP-UHFFFAOYSA-N 0.000 claims description 3
- 239000005083 Zinc sulfide Substances 0.000 claims description 2
- MOVRNJGDXREIBM-UHFFFAOYSA-N aid-1 Chemical compound O=C1NC(=O)C(C)=CN1C1OC(COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)CO)C(O)C1 MOVRNJGDXREIBM-UHFFFAOYSA-N 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- RISLXYINQFKFRL-UHFFFAOYSA-N dibutyl nonanedioate Chemical compound CCCCOC(=O)CCCCCCCC(=O)OCCCC RISLXYINQFKFRL-UHFFFAOYSA-N 0.000 claims description 2
- 239000003995 emulsifying agent Substances 0.000 claims description 2
- 239000011301 petroleum pitch Substances 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 claims description 2
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims 1
- 229920002472 Starch Polymers 0.000 claims 1
- 239000001110 calcium chloride Substances 0.000 claims 1
- 229910001628 calcium chloride Inorganic materials 0.000 claims 1
- 150000002170 ethers Chemical class 0.000 claims 1
- 239000008107 starch Substances 0.000 claims 1
- 235000019698 starch Nutrition 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 abstract description 12
- 239000005060 rubber Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 8
- 238000001179 sorption measurement Methods 0.000 abstract description 6
- 230000009257 reactivity Effects 0.000 abstract 3
- 239000013538 functional additive Substances 0.000 abstract 2
- 229920002521 macromolecule Polymers 0.000 abstract 2
- 230000001808 coupling effect Effects 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 239000002562 thickening agent Substances 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 38
- 239000004567 concrete Substances 0.000 description 16
- 238000010276 construction Methods 0.000 description 16
- 150000001875 compounds Chemical class 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 9
- 239000004033 plastic Substances 0.000 description 9
- 238000005303 weighing Methods 0.000 description 8
- 229920001296 polysiloxane Polymers 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000003566 sealing material Substances 0.000 description 5
- 229920002319 Poly(methyl acrylate) Polymers 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 230000001680 brushing effect Effects 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 4
- 239000007822 coupling agent Substances 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 229920003051 synthetic elastomer Polymers 0.000 description 4
- 239000005061 synthetic rubber Substances 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 235000010216 calcium carbonate Nutrition 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000004588 polyurethane sealant Substances 0.000 description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
- 239000004590 silicone sealant Substances 0.000 description 3
- 235000010215 titanium dioxide Nutrition 0.000 description 3
- 108010010803 Gelatin Proteins 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 235000019241 carbon black Nutrition 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- TVWTZAGVNBPXHU-NXVVXOECSA-N dioctyl (z)-but-2-enedioate Chemical class CCCCCCCCOC(=O)\C=C/C(=O)OCCCCCCCC TVWTZAGVNBPXHU-NXVVXOECSA-N 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 2
- 238000004375 physisorption Methods 0.000 description 2
- 230000036555 skin type Effects 0.000 description 2
- UXFQFBNBSPQBJW-UHFFFAOYSA-N 2-amino-2-methylpropane-1,3-diol Chemical compound OCC(N)(C)CO UXFQFBNBSPQBJW-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- VHUCVIFTAJKQRR-UHFFFAOYSA-N propan-1-amine trimethoxysilane Chemical compound CO[SiH](OC)OC.C(CC)N VHUCVIFTAJKQRR-UHFFFAOYSA-N 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Sealing Material Composition (AREA)
Abstract
The invention provides waterproof sealing paste producing chemical crosslinking and physical mortising with cement. The sealing paste is characterized by comprising the following raw materials in parts by weight: 40-60 parts of synthesized rubber latex, 20-30 parts of rubber modified emulsified asphalt, 1-2 parts of a functional additive, 10-30 parts of filler, 0.5-5 parts of plasticizer, 1-3 parts of a thickener and 2-5 parts of water. A principle is that part of molecules in the synthesized rubber and the asphalt are coupled into macromolecules with reactivity under the coupling effect of the functional additive; when the macromolecules are contacted with a basic surface, the non-reactivity molecule sections of the rubber and the asphalt form a physical adsorption effect with the basic surface, and the reactivity molecule sections react with the basic surface to form a chemical bonding effect so as to generate a powerful bonding force; and the bonding effect is difficultly influenced by outside environment factors after the bonding operation is finished. Therefore, the sealing paste is very excellent in waterproof performance.
Description
Technical field
The present invention relates to a kind of waterproof sealing cream, particularly can with the sealing compound of cement or concrete surface generation chemisorption power.
Background technology
Waterproof sealing cream is a kind of in the water-proof material, filling, the sealing material of the seam areas such as structural joint, construction joint, plate seam, door and window seam and each category node that be that design is upward had a mind to arrange, produce in the construction.Waterproof sealing cream is normal unites use with other water-proof materials such as waterproof roll, waterproof paint, makes buildings reach the waterproof effect of excellence.Waterproof sealing cream mainly contains polyurethane sealant, silicone sealant, polyacrylic resin sealing compound, poly-sulphur sealing compound, synthetic rubber base sealing compound, modifying asphalt sealing compound etc.Polyurethane sealant, silicone sealant and poly-sulphur sealing compound production cost are high, seldom are applied to large-area engineering, and they can't construct under wet environment, and construction cost is higher.The materials such as synthetic rubber base sealing compound, modifying asphalt sealing adopt organic solvent as solvent, and time of drying is long, and rate of drying is slow, the volatilization of organic solvent can cause environmental pollution, and in the situation that the basal plane humidity because can't adhere to basal plane, and can't construct.Above-mentioned sealing material and the cohesive force of basal plane mainly are to pass through physisorption, therefore cohesive force is smaller and have a bonding reversibility, expanded with heat and contract with cold for a long time, external environment factor and the impacts of material oneself factor such as hydraulic pressure, acid-alkali salt erosion, material aging, water-proof material can lose bonding and hollowing and obscission occur with basal plane, causes altering water, leaks.
Summary of the invention
The objective of the invention is to develop a kind of waterproof sealing cream, its molecule can with cement or the effect of concrete surface generation chemical bonding, by physical adsorption and chemical bonding effect, improved the cohesive force of water-proof material and basal plane, waterproof layer and basal plane form the waterproof construction of skin-type, greatly reduce the phenomenon of altering water, leaking, and waterproof sealing cream of the present invention can construct under moist basal plane environment, easy construction, efficient are high.
Principle of the present invention is as raw material take synthetic rubber latex and modified rubber emulsified bitumen, add functional aid, coupled action by functional aid, the macromole that makes synthetic rubber molecule and asphaltene molecule coupling become to have reactive behavior, when this macromole contacts with cement or concrete surface, rubber molecule and asphaltene molecule section and basal plane form physical adsorption, and macromole and the adsorption of basal plane generation chemical bonding with reactive behavior, produce very strong chemical interactions, therefore the cohesive force of water-proof material and cement or concrete surface just strengthens greatly, is difficult to be arrived by extraneous such environmental effects.Waterproof sealing cream of the present invention is water-based, therefore can in the basal plane construction of humidity, in order to make the layering of the stable difficult segregation of product, also need to add thickening material, softening agent, filler etc.
Detailed technology scheme of the present invention is:
With the waterproof sealing cream of cement generation chemically crosslinked and physics mortise and tenon, comprise that the raw material of following parts by weight forms:
Synthetic rubber latex 40～60; Modified rubber emulsified bitumen 20～30;
Functional aid 1～2; Thickening material 1～3;
Filler 10～30; Softening agent 0.5～5;
Water 2～5;
Consider that winter north weather is colder, for not affecting product construction and storage in the winter time, also add the antifreezing agent of 0.5～2 parts by weight, described antifreezing agent is the composition of any or they in ethylene glycol, 1,3-PD or the glycerine.
Described modified rubber emulsified bitumen is that solid content is 50 ± 2% SBS modified emulsifying asphalt, styrene-butadiene rubber(SBR) modified emulsifying asphalt, chloroprene rubber modified emulsifying drop.
Described synthetic rubber latex solid content is a kind of in 50 ± 2% styrene butadiene rubber latex, chloroprene rubber latex, SBS rubber latex or the polyacrylate(s) or their composition;
Described functional aid is to have vinyl, hydroxyl, the coupling agent of amino or carboxyl, hydroxyl is particularly arranged, the polysiloxane coupling agent of amino or carboxyl-reactive functional group, poly-naphthaldehyde sulfonate sodium or their mixture, polysiloxane coupling agent comprises: the hydroxyl alkyl polysiloxane, the carboxyl polysiloxane, the derivative of dimethyl siloxane or cyclohexyl methyl siloxanes, such as poly-methyl ethoxy silane, the fatty amide alkyl silane, two kinds of carboxyl polysiloxane or 3-aminopropan Trimethoxy silane or they, two or more mixtures, the active group that produces after their hydrolysis can play with cement or concrete synergistic effect (the Chemical Bonding and Physical Crosslinking Synergism of chemically crosslinked-physics mortise and tenon, be called for short CPS) additive (Chinese patent of inventor's application: application (patent) number: CN200910114456.X, title: carry out the waterproof roll of chemically crosslinked and the collaborative bonding of physics mortise and tenon with concrete; Open (bulletin) number: CN101694114A applies for (patent right) people: Guangxi Jiyusan Waterproof Decoration Co., Ltd. address: WangZhou Road, Nanning City, Guangxi Zhuang Autonomous nationality District 267-1 contriver: Lu Guicai; Wu Shengjiang; Zhu Fangwu; Guo Wenxiong) disclose wherein two kinds: poly-methyl ethoxy silane and poly-naphthaldehyde sulfonate sodium.Through overtesting, we find except these two kinds of compounds, coupling agent with hydroxyl, amino or carboxyl, particularly isobutyl triethoxy silane, 3-aminopropyl triethoxysilane, distearyl acyl-oxygen sec.-propyl Aluminate, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester all have and can carry out chemically crosslinked and the collaborative cohesive action of physics mortise and tenon with cement and concrete.
Described synthetic rubber latex solid content is the composition of any or they in 40～60% styrene butadiene rubber latex, chloroprene rubber latex, SBS rubber latex or the polyacrylate(s);
To be petroleum pitch, emulsifying agent and water through high-speed emulsifying machine process described emulsified bitumen that to obtain solid content be that 40～70% emulsion or solid content are any in 40～60% SBS modified emulsifying asphalt, styrene-butadiene rubber(SBR) modified emulsifying asphalt or the chloroprene rubber modified emulsifying asphalt.
Described thickening material is a kind of in wilkinite, polyacrylamide, sodium polyacrylate, Xylo-Mucine, sodium alginate or the association type urethane or their composition.
Described filler is a kind of in white carbon black, titanium dioxide, barium sulfate, potter's clay, zinc sulfide white, light calcium carbonate or the water-ground limestone or their composition.
Described softening agent is any one or more mixture in dibutyl fumarate, dioctyl fumarate, dibutyl maleinate, dioctyl maleate or the dibutyl azelate.
Above-mentioned preparation method with waterproof sealing cream cement generation chemically crosslinked and physics mortise and tenon is:
(1) normal temperature is respectively put into a tank to two kinds of emulsions, stirs first;
(2) synthetic rubber latex stirs the lower modified rubber emulsified bitumen that adds, add functional aid after adding the modified rubber emulsified bitumen, add softening agent, stir, add at last filler, thickening material is according to the environment for use needs interpolation antifreezing agent of product, stir, namely obtain the waterproof sealing cream with cement generation chemically crosslinked and physics mortise and tenon.
The positively effect that the present invention produces: by the coupled action of functional aid, the molecule that makes synthetic rubber molecule and asphaltene molecule coupling become to have greatly reactive behavior, when this macromole contacts with basal plane, rubber molecule and asphaltene molecule section and basal plane form physical adsorption, and have the molecule of reactive behavior and the bonding action of basal plane generation chemical bond, produce very strong adsorption, so the cohesive force of waterproof sealing cream and basal plane is very strong, is not easy to be subject to the impact of extraneous factor; Add synthetic rubber latex and softening agent, overcome conventional seals material unit elongation shortcoming low, easy to crack, improved snappiness, the cohesiveness of material, the material unit elongation is high, and tear resistance is strong.Waterproof sealing cream of the present invention is water-based, can construct easy construction at moist basal plane.
Embodiment
Embodiment 1
Preparation method with the waterproof sealing cream of cement generation chemically crosslinked and physics mortise and tenon:
(1) in two tanks, takes by weighing respectively 40 parts of neoprene latex latex rubbers and 20 parts of SBS modified emulsifying asphalts, stir;
(2) stirring is lower joins 20 parts of SBS modified emulsifying asphalts in 40 parts of neoprene latex latex rubbers, then add 1 part of isobutyl triethoxy silane, add 0.5 part of dibutyl fumarate, stir, add 30 parts of water-ground limestones, stir, add at last 1 part of association type urethane, thickening is carried out in stirring, obtains the waterproof sealing cream with cement generation chemically crosslinked and physics mortise and tenon.
Embodiment 2
Preparation method with the waterproof sealing cream of cement generation chemically crosslinked and physics mortise and tenon:
(1) in two tanks, takes by weighing respectively 50 parts of styrene butadiene rubber latexes and 25 parts of styrene-butadiene rubber(SBR) modified emulsifying asphalts, stir;
(2) stirring is lower adds 25 parts of styrene-butadiene rubber(SBR) modified emulsifying asphalts in 50 parts of styrene butadiene rubber latexes, then add 1.5 parts of 3-aminopropyl triethoxysilanes, add 2 parts of dioctyl maleates, stir, add again 20 parts of light calcium carbonates, stir, add at last 2 parts of wilkinites and 0.5 part of ethylene glycol, stir, obtain the waterproof sealing cream with cement generation chemically crosslinked and physics mortise and tenon.
Embodiment 3
Preparation method with the waterproof sealing cream of cement generation chemically crosslinked and physics mortise and tenon:
(1) in two tanks, takes by weighing respectively 60 parts of SBS rubber latexs and 30 parts of chloroprene rubber modified emulsifying asphalts, stir;
(2) stirring is lower adds 30 parts of chloroprene rubber modified emulsifying asphalts in 60 parts of SBS rubber latexs, then add 2 parts of distearyl acyl-oxygen sec.-propyl Aluminates, add 5 parts of dibutyl maleinates, stir, add 10 parts of white carbon blacks and 1 part of 1,3-PD, 2 parts of gelatin, stir, obtain the waterproof sealing cream with cement generation chemically crosslinked and physics mortise and tenon.
Embodiment 4
Preparation method with the waterproof sealing cream of cement generation chemically crosslinked and physics mortise and tenon:
(1) in two tanks, takes by weighing respectively 52 parts of polymethyl acrylate emulsions and 26 parts of modified rubber emulsified bitumens, stir;
(2) stirring is lower adds 52 parts of polymethyl acrylate emulsions in 26 parts of modified rubber emulsified bitumens, then add 1.4 parts of sec.-propyls three (dioctylphyrophosphoric acid acyloxy) titanic acid ester, add 3 parts of dibutyl azelates, stir, add 18 parts of heavy titanium dioxides, 1 part 1, ammediol and 1 part of glycerine, 1.5 part sodium polyacrylate stirs, and obtains the waterproof sealing cream with cement generation chemically crosslinked and physics mortise and tenon.
Embodiment 5
Method for making with the waterproof sealing cream of cement generation chemically crosslinked and physics mortise and tenon:
(1) in two tanks, takes by weighing respectively 30 parts of neoprene latex latex rubbers and 40 parts of emulsified bitumens, stir;
(2) stirring is lower adds 40 parts of emulsified bitumens to 30 parts of neoprene latex latex rubbers, then add 1 part of poly-naphthaldehyde sulfonate sodium, add 1 part of dioctyl fumarate, stir, add 30 parts of water-ground limestones, 0.5 part of polyacrylamide, 0.5 part of sodium alginate, stir, obtain the waterproof sealing cream with cement generation chemically crosslinked and physics mortise and tenon.
Embodiment 6
Method for making with the waterproof sealing cream of cement generation chemically crosslinked and physics mortise and tenon:
(1) in two tanks, takes by weighing respectively 25 parts of styrene butadiene rubber latexes and 50 parts of emulsified bitumens, stir;
(2) stirring is lower adds 50 parts of emulsified bitumens to 25 parts of styrene butadiene rubber latexes, then add 2.5 parts of 3-aminopropyl triethoxysilanes, add 2 parts of dioctyl maleates, stir, add 25 parts of light calcium carbonates, 0.5 part of polyacrylamide, 2 parts of wilkinites, 8 parts of water stir, and obtain the waterproof sealing cream with cement generation chemically crosslinked and physics mortise and tenon
Embodiment 7
Method for making with the waterproof sealing cream of cement generation chemically crosslinked and physics mortise and tenon:
(1) in two tanks, takes by weighing respectively 20 parts of SBS rubber latexs and 60 parts of emulsified bitumens, stir;
(2) stirring is lower adds 60 parts of emulsified bitumens to 20 parts of SBS rubber latexs, then add 4 parts of distearyl acyl-oxygen sec.-propyl Aluminates, add 3 parts of dibutyl maleinates, stir, add 20 parts of potter's clay, 2 parts of association type urethane, 2 parts of gelatin, 6 parts of water stir, and obtain the waterproof sealing cream with cement generation chemically crosslinked and physics mortise and tenon
Embodiment 8
Method for making with the waterproof sealing cream of cement generation chemically crosslinked and physics mortise and tenon:
(1) in two tanks, takes by weighing respectively 22 parts of polymethyl acrylate emulsions and 48 parts of emulsified bitumens, stir;
(2) stirring is lower adds 22 parts of polymethyl acrylate emulsions in 48 parts of emulsified bitumens, then add 2.4 parts of sec.-propyls three (dioctylphyrophosphoric acid acyloxy) titanic acid ester, add 3 parts of dibutyl azelates, stir, add 18 parts of heavy titanium dioxides, 2 parts of wilkinites, 0.5 part Xylo-Mucine, 5 parts of water stir, and obtain the waterproof sealing cream with cement generation chemically crosslinked and physics mortise and tenon.
Detection method according to GB/T 13477.1～13477.20--2002 " construction sealing materials testing method " the inside is tested the main performance index of the waterproof sealing cream of of the present invention and cement generation chemically crosslinked and physics mortise and tenon, and the result is as shown in table 1 below:
| Project | Elongation at break/% | Elongation at break/% after the immersion | Elastic restoration ratio/% | Volumetric shrinkage/% | With cement concrete cohesive strength/MPa |
| Embodiment 1 | 385 | 330 | 86 | 17 | 0.60 |
| Embodiment 2 | 373 | 314 | 88 | 18 | 0.58 |
| Embodiment 3 | 250 | 220 | 73 | 20 | 0.51 |
| Embodiment 4 | 405 | 383 | 92 | 15 | 0.68 |
| Embodiment 5 | 315 | 289 | 82 | 18 | 0.55 |
| Embodiment 6 | 303 | 271 | 74 | 20 | 0.51 |
| Embodiment 7 | 278 | 252 | 71 | 24 | 0.46 |
| Embodiment 8 | 265 | 233 | 70 | 21 | 0.41 |
Find out from the data of table 1, the waterproof sealing cream main performance index with cement generation chemically crosslinked and physics mortise and tenon of the present invention meets 12.5E type technical requirement among the JC/T881-2001 " concrete construction seam seal gum " fully.
The Performance Ratio of table 2 product of the present invention and fast-selling on the market sealing material
| Project | Execution conditions | Cohesive strength/Mpa with concrete surface | Extension at break degree/% | Practicality |
| Product of the present invention | But construct under the wet environment, basal plane needn't clean | 0.5～0.7 | 300～400 | Cost is low, and the non-volatility organic solvent is good with smooth surface object bondings such as plastics tubing, metallic conduits, and is applicable wide |
| Polyurethane sealant | Basal plane must be dry, and cleaning | 0.3～0.5 | 200～300 | Cost is moderate, and raw materials for production are volatile carcinogenic substance, and is poor with smooth surface object bondings such as plastics tubing, metallic conduits, easily peels off |
| 208-Wet Patch of U.S. Henry company | Basal plane must be dry, and cleaning | 0.3～0.4 | 10～30 | Cost is moderate, contains volatile organic solvent, and is poor with smooth surface object bondings such as plastics tubing, metallic conduits, easily peels off, and do not have toughness, and tack time is of a specified duration |
| Silicone sealant | But construct under the wet environment, basal plane needn't clean | 0.3～0.4 | 100～150 | Cost is high, and the organic acid that produces in the solidification process can corrode basal plane, and is poor with smooth surface object bondings such as plastics tubing, metallic conduits, easily peel off, |
To have cohesive strength high for product of the present invention and on the market sealing material as seen from Table 2, easy construction, cost is low, the advantages such as applied range, particularly be applied between plastic conduit and the plastic conduit, between plastic conduit and the concrete, between the metallic substance, node between metallic substance and plastics or the concrete, the sealing in slit, this have benefited from product of the present invention except with various material contact surface generation physisorption power, activity chemistry group in the product of the present invention can with contact surface generation chemisorption power, thereby it is large to produce intensity, stable, irreversible chemical bonding, greatly increase the cohesive strength with basal plane, formed the waterproof construction of skin-type with basal plane, water resistance is very outstanding.
The constructional method of the waterproof sealing cream of of the present invention and cement generation chemically crosslinked and physics mortise and tenon:
(1) base treatment: basal plane solid smooth, without floating dust, without greasy dirt.Dry basal plane water in advance wetting effect is better, or at the basal plane lean concrete grout of filming, just can when treating the lean concrete grout initial set.Pipe root limit or drain gully etc. will be smeared into circular arc with the basic unit seam crossing, and arc radius is preferably 5cm.
(2) brushing sealing compound: sealing compound evenly is applied in the node positions such as crack, pipe root, gutter, eaves gutter, negative and positive angle with hairbrush or slurry cutter, generally brushes 2-3 all over finishing, gauge control is at 1.5～2.5mm;
Wide 10cm is smeared at pipe root node circumference place, and the pipe root is smeared high 5cm, but the reinforcement tire sills such as brushing process paving grid cloth, non-woven fabrics are made enhancement process, and brushing should adopt the method for scumbling multipass to carry out.
(3) maintenance: guarantee ventilation, drying after the construction, strengthen finished product protection, solidified fully in general 2-3 days after the brushing, stuffy or wet environment, then can prolong set time.
(4) follow-up construction: when the water-tight layer is done follow-up construction, must after coating is solidified fully, carry out.
The scope of application of the waterproof sealing cream of of the present invention and cement generation chemically crosslinked and physics mortise and tenon: all types of plastic, metal tube root limit, the water encapsulation process with the node such as concrete structure lap-joint that falls mouthful, and the encapsulation process at the node positions such as distress in concrete, seam, construction joint, movement joint; Be applicable to indoor, roofing modular repair mending-leakage.
Claims (5)
1. with the waterproof sealing cream of cement generation chemically crosslinked and physics mortise and tenon, it is characterized in that, comprise the raw material of following parts by weight:
Synthetic rubber latex 20～60;
Emulsified bitumen 20～60;
Functional aid 1～4;
Thickening material 1～3;
Filler 10～30;
Softening agent 0.5～5;
Water 2～10;
Described synthetic rubber latex solid content is the composition of any or they in 40～60% styrene butadiene rubber latex, chloroprene rubber latex, SBS rubber latex or the polyacrylate(s);
To be petroleum pitch, emulsifying agent and water through high-speed emulsifying machine process described emulsified bitumen that to obtain solid content be that 40～70% emulsion or solid content are any in 40～60% SBS modified emulsifying asphalt, styrene-butadiene rubber(SBR) modified emulsifying asphalt or the chloroprene rubber modified emulsifying asphalt;
Described functional aid is any in isobutyl triethoxy silane, 3-aminopropyl triethoxysilane, distearyl acyl-oxygen sec.-propyl Aluminate, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester or the poly-naphthaldehyde sulfonate sodium.
2. the waterproof sealing cream of according to claim 1 and cement generation chemically crosslinked and physics mortise and tenon, it is characterized in that, the antifreezing agent that also comprises 0～0.5 parts by weight, described antifreezing agent are any one or more mixture of glycerine, ethylene glycol, 1,3-PD or calcium chloride.
3. the waterproof sealing cream of according to claim 1 and cement generation chemically crosslinked and physics mortise and tenon, it is characterized in that, described thickening material is a kind of in wilkinite, polyacrylamide, sodium polyacrylate, Xylo-Mucine, starch ethers, sodium alginate or the association type urethane or their composition.
4. the waterproof sealing cream of according to claim 1 and cement generation chemically crosslinked and physics mortise and tenon, it is characterized in that, described filler is any one or more the mixture in white carbon black, titanium dioxide, barium sulfate, potter's clay, zinc sulfide white, light calcium carbonate or the water-ground limestone.
5. the waterproof sealing cream of according to claim 1 and cement generation chemically crosslinked and physics mortise and tenon, it is characterized in that, described softening agent is any one or more mixture in dibutyl fumarate, dioctyl fumarate, dibutyl maleinate, dioctyl maleate or the dibutyl azelate.
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