CN102911638B - Reaction bonding type node sealant and preparation method thereof - Google Patents

Reaction bonding type node sealant and preparation method thereof Download PDF

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Publication number
CN102911638B
CN102911638B CN201210446551.1A CN201210446551A CN102911638B CN 102911638 B CN102911638 B CN 102911638B CN 201210446551 A CN201210446551 A CN 201210446551A CN 102911638 B CN102911638 B CN 102911638B
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mixture
agent
pitch
asphalt
properties
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CN102911638A (en
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卢桂才
朱方伍
陈立斌
赵晓岚
陆善庆
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Xiniupi Waterproof Technology Co., Ltd.
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GUANGXI GOLDEN UMBRELLA WATERPROOFING CO Ltd
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Abstract

The invention provides a reaction bonding type node sealant and a preparation method thereof. The sealant comprises asphalt, modifiers, an emulsifier, a crosslinking agent, thickeners, a reinforcing agent and water. In the formula system, more appropriate modifiers are adopted compared with the prior art, so that a rubber asphalt mixture can achieve good emulsification effect, elasticity and strength of a sealing layer after drying are greatly improved, and the sealing effect can be good and lasting; the chemical linkage effect with concrete is formed by using the crosslinking agent, and bonding force with the concrete is improved; and a lot of thickeners are used for adjusting the stickness of the sealant system, so that the reaction bonding type node sealant can better adhere to the surface of a pentatricopeptide repeats (PPR) or polyvinyl chloride (PVC) pipe, and good sealing at positions where PPR or PVC water supply and drainage pipes are connected with base surfaces of concrete.

Description

Reaction bonded type node sealing compound and preparation method thereof
Technical field
The present invention relates to water-tight field, particularly relate to a kind of reaction bonded type node sealing compound and preparation method thereof.
Background technology
At present, differ greatly at PPR or the PVC supplying drainage at building kitchen and toilet passing through floors position and the linear expansivity of concrete floor, under normal temperature, concrete is 1 × 10 -5/ DEG C, PPR or PVC are (6 ~ 7) × 10 -5/ DEG C, after seasonal cold and hot freeze-thaw cycle several times, supplying drainage and concrete floor junction are easy to occur gap, therefore, during the construction of building kitchen and toilet water supply and sewerage pipeline, when passing through floors position PPR or the construction of PVC supplying drainage, need to carry out water-tight process.Existing water-tight treatment technology has following several modes:
Modifying asphalt encapsulation process, adopt modifying asphalt to build after hot melt under optimal temperature, complicated operation during this construction technology, temperature controls with coating process very crucial.First, when hot-melt asphalt, temperature control is just right, if temperature is too high, pitch mobility is excessively good, and pitch can be made cannot to adhere to on PPR or PVC, cannot realize sealing, and when temperature is more than 100 DEG C, easily damage; If temperature is too low, pitch and PPR or PVC and concrete adhesion property all can not reach requirement.Second is that when constructing, gimmick wants exactissima diligentia, coating is very even, often to carry out for several times above coating repeatedly, this is because modifying asphalt and PPR or PVC and concrete adhesiving effect not ideal enough, only have and made up by gimmick of constructing.
The process of asphalt mixture sealing compound, what utilize unfilled bitumen, fibre object and solvent is mixed with into sealing compound, sealing cream becomes the character of viscous liquid state under having normal temperature, the envelope that can be directly used in cement and pipeline junction is coated with, the roof leakage maintenance product of 208-Wet Patch plates of such as U.S. Henry company.Such sealing compound, but such sealing compound has used the organic solvent of low volatility as solvent, and time of drying is slow, often needs the time of fortnight more than could drying, and when basal plane humidity, because cannot adhere to basal plane, and can not construct; And because main component is pitch and fibre object composition, after drying, sealing ply does not have elasticity, and intensity is poor, inadequate durable.
Polyurethane sealant, take urethane as main component, can directly use at normal temperatures, shortcoming be with PPR or PVC and concrete adhesiving effect not ideal enough, and cannot to construct when basal plane is moist.
Silicone sealant, with water glass and the material such as organosilicon, silicone structure polymkeric substance for main component, with PPR or PVC and concrete adhesiving effect better, but its poor stability, can not be lasting under solar radiation or dampness, easily come off, intensity is also poor, can not meet construction requirement.
Polyacrylic resin sealing compound take crylic acid resin as main component, and its preparation technology's more complicated, needs the modification carrying out high request, be prepared into water-borne acrylic resin, be then prepared into emulsion.Polyacrylic resin sealing compound can be constructed on moisture substrate, but itself and PPR or PVC and concrete adhesiving effect poor.
In sum, also there is many deficiencies in encapsulation process technology when PPR or the PVC supplying drainage of prior art at passing through floors position is constructed, and is badly in need of finding a kind of preparation technology simple, easy construction, water-tight performance is good, and intensity is high, bonding force is strong, long-lived new waterproof sealing prod.
Summary of the invention
The present invention aims to provide a kind of reaction bonded type node sealing compound and preparation method thereof, and this reaction bonded type node sealing compound preparation technology is simple, easy construction, and water-tight performance is good, and intensity is high, and bonding force is strong, durable in use.
Reaction bonded type node sealing compound of the present invention is prepared from by the raw material comprising following weight part:
Pitch 30-50 part properties-correcting agent 15-20 part emulsifying agent 0.5-3 part
Linking agent 0.5-3 part thickening material 0.5-3 part water 30-50 part
Wherein
Pitch is petroleum pitch;
Properties-correcting agent is the mixture of one or more than one in thermoplastic elastomer asphalt modifier, rubber pitch modifier; Emulsifying agent is cation asphalt emulgent;
Linking agent is the mixture of the one or more than one in silane coupling agent, titanate coupling agent and aluminate coupling agent;
Thickening material is wilkinite, sodium polyacrylate, sodium alginate, polyvinyl alcohol, ether of cellulose, polyacrylamide, Silica hydrogel, one or more mixture of gelatin.
Reaction bonded type node sealing compound of the present invention, its preferred version is prepared from by the raw material comprising following weight part:
Pitch 30-50 part properties-correcting agent 15-20 part emulsifying agent 0.5-3 part
Linking agent 0.5-3 part thickening material 0.5-3 part water 30-50 part
Wherein
Pitch is petroleum pitch, and model is No. 70 to No. 120;
Properties-correcting agent is the mixture of one or more than one in polystyrene-type thermoplastic elastomers, polyolefins thermoplastic elastomer, polyvinyl chloride analog thermoplastic elastomer, polyurethane-type thermoplastic's elastomerics, rubber pitch modifier;
Emulsifying agent is alkyl polyamine class asphalt emulsifier, quaternary ammonium salt asphalt emulsifier, oxidation amine asphalt emulsifier, amide group amine asphalt emulsifier, imidazoline type asphalt emulsifier or wooden amine asphalt emulsifying agent;
Linking agent is the mixture of the one or more than one in silane coupling agent, titanate coupling agent and aluminate coupling agent;
Thickening material is wilkinite, sodium polyacrylate, sodium alginate, polyvinyl alcohol, ether of cellulose, polyacrylamide, Silica hydrogel, one or more mixture of gelatin.
Reaction bonded type node sealing compound of the present invention, can add other complementary composition, improve its performance further; Also directly can be prepared from by above-mentioned formula, not increase other complementary composition.
Described properties-correcting agent is one or more mixtures in SBS asphalt modifier, SBR asphalt modifier, APP asphalt modifier, isoprene-isobutylene rubber asphalt modifier or bituminous neoprene properties-correcting agent.
Described SBS modifier, for belonging to styrene analog thermoplastic elastomer material, is vinylbenzene-divinyl-styrene triblock copolymer.
Described SBR properties-correcting agent is styrene-butadiene rubber, by divinyl and styrene copolymerized obtained.
Described APP asphalt modifier is thermoplastic resin, Atactic Polypropelene.
Described isoprene-isobutylene rubber asphalt modifier is butyl material, is obtained by divinyl and isoprene copolymer.
Described bituminous neoprene properties-correcting agent is chloroprene rubber material, the elastomerics be made up through letex polymerization of chlorbutadiene.
Described emulsifying agent is the mixture of one or more than one in alkyl dimethyl hydroxyethyl ammonium chloride, alkyl hydroxy amide group polyamines, cetyl trimethylammonium bromide, octadecyl trimethyl ammonium chloride, tallow alkyl amide group polyamines, N-alkyl trimethyl ammonium chloride, N-alkyl trimethylene diamine, stearic acid alkylamidoalkyl polyamines, xylogen amine, bi-quaternary ammonium salt.
Described linking agent is the mixture of one or more than one in vinyltriethoxysilane, aminopropyltriethoxywerene werene, tetra isopropyl two (dioctyl phosphito acyloxy) titanic acid ester, two (trolamine) metatitanic acid diisopropyl ester, distearyl acyl-oxygen aluminum isopropoxide acid esters, N-β (aminoethyl)-γ-aminopropyltrimethoxysilane.
The consumption of described thickening material can more preferably 1 ~ 3 part.
The consumption of described emulsifying agent can more preferably 1 ~ 3 part.
The preparation method of reaction bonded type node sealing compound of the present invention comprises the following steps and pitch and properties-correcting agent is stirred 1 ~ 3h at 120-180 DEG C, makes it abundant melting mixing, obtains mixture A; Use colloidal mill to grind mixture A, obtain mixture B; Start mulser, mixture B and latex rubber agent are added to mulser simultaneously, by asphalt mixture emulsification, are prepared into emulsion, then add thickening material, linking agent, stir, to obtain final product.
Among each above-mentioned technical scheme, the toughener of 1 ~ 30 part can also be added, described toughener is the mixture of the one or more than one in dicalcium powder, process white, white carbon black, kaolin, polypropylene fibre, glass fibre, talcum powder or titanium dioxide, to promote the tensile strength of integral sealing lotion system.
Reaction bonded type node sealing compound of the present invention after adding toughener, its preparation method comprises the following steps and pitch and properties-correcting agent is stirred 1 ~ 3h at 120-180 DEG C, makes it abundant melting mixing, obtains mixture A; Use colloidal mill to grind mixture A, obtain mixture B; Start mulser, mixture B and latex rubber agent are added to mulser simultaneously, by asphalt mixture emulsification, are prepared into emulsion, then add thickening material, linking agent and toughener, stir, to obtain final product.
Asphalt emulsifier is a kind of tensio-active agent, and basic effect is exactly the surface tension reducing water, thus rubber asphalt compound particles and water are coupled together.Rubber asphalt mixture and water objectionable intermingling, directly rubber asphalt mixture is distributed in water and needs to overcome huge interfacial tension, the energy applied is very large, and the specific surface area being dispersed into very little particle is very large, the rubber asphalt emulsifying mixture system produced is made to have very high energy state, so be difficult to stable storage, the surface tension of water when therefore preparing rubber asphalt emulsifying mixture, must be reduced.
In general, increase the interfacial tension that emulsifying agent can reduce water and rubber asphalt mixture, thus reduce the energy state of emulsion, increase emulsion intercalation method.But contriver finds that the ratio only increasing emulsifying agent can not solve emulsion intercalation method problem completely, contriver is through great many of experiments, find the thermoplastic elastomer class asphalt modifier or the rubber pitch modifier that coordinate sufficient quantity, better emulsifying effectiveness can be obtained.Therefore, present invention employs thermoplastic elastomer asphalt modifier or the rubber pitch modifier of sufficient quantity more more than prior art, make rubber asphalt mixture can realize good emulsifying effect, and make overall emulsion intercalation method better, more be convenient to store, and the sealing ply after making to construct can be dry rapidly, after general construction, a few hours just can meet the demands, and add the facility of construction; Simultaneously, find through overtesting, the ratio of rubber modifier promotes, also rubber asphalt emulsifying mixture system is made to combine better, add the adhesiving effect of reaction bonded type node sealing compound relative to PPR or PVC, concrete surface, substantially improve dry after the elasticity of sealing ply and intensity, make sealing effectiveness can be more good and lasting.
Linking agent is added in formula system of the present invention, this composition serves vital effect for lift-off seal lotion system to concrete bonding force, be one of core technology in the present invention, contriver have passed through a large amount of screening experiments and determines this crosslinker component.Its principle is as follows: because concrete has building stones and the blended solidification of cement to form, generate hydrated calcium silicate (C-S-H gel) and calcium hydroxide after hydrated cementitious, and surface is containing a large amount of active Si-OH group and electronegative containing oxygen mineral compound.Silane coupling agent, titanate coupling agent and aluminate coupling agent can with the binding material generation chemical reactions in sealing compound, particular functional modification is carried out to waterproof sealing cream, make binding material can be formed and stablize irreversible chemical covalent bonds with the active hydroxy group of concrete surface and containing oxygen mineral compound generation chemical crosslink reaction, form ionic linkage by the electrostatic interaction between zwitterion simultaneously, i.e. chemisorption, thus produce intensity large, stablize irreversible chemical bonding." bridge " effect with reactive bioactive molecule numerous just because of these and " tractive " effect, the bonding force of sealing compound system and concrete surface is made to be far longer than the bonding force of water and concrete surface, so arrive the moment of concrete surface and aggregate contact in sealing compound system by bridge, by squeeze larger for generation one, this squeeze removes the moisture extrusion that concrete surface adsorbs, make way for the compositions such as modifying asphalt, the moisture content be extruded is assembled mutually, is coalesced as continuous aqueous phase.So mutually adsorb between sealing compound system, spread, permeate, be finally fused together, interface disappears.Concrete surface is wrapped completely by sealing compound system, and forms chemical action between, the final film forming one deck high bond strength, makes sealing layer of paste form the same combination of skin with concrete surface, has very high peel strength.
Relatively large thickening material is have employed in formula system of the present invention, the main purpose of utilization thickening material is the viscosity in order to adjust suitable reaction bonded type node sealing compound system, what make that reaction bonded type node sealing compound can be good adheres to more smooth PPR or PVC on the surface, realizes the good sealing of PPR or PVC supplying drainage and concrete floor junction.
Among formula system of the present invention, a certain amount of toughener can also be added, be promoted the tensile strength of whole sealing compound system by toughener.
Embodiment
Embodiment 1
Pitch 3000g properties-correcting agent 1500g emulsifying agent 40g
Linking agent 50g thickening material 50g water 3000g
Its medium pitch is No. 70 petroleum pitch;
Wherein properties-correcting agent is SBS asphalt modifier;
Emulsifying agent is alkyl dimethyl hydroxyethyl ammonium chloride;
Linking agent is vinyltriethoxysilane;
Thickening material is sodium polyacrylate;
Pitch and properties-correcting agent are stirred 1h at 120 DEG C, makes it abundant melting mixing, obtain mixture A; Use colloidal mill to grind mixture A, obtain mixture B; Start mulser, mixture B and latex rubber agent are added to mulser simultaneously, by asphalt mixture emulsification, are prepared into emulsion, then add thickening material and linking agent, stir, to obtain final product.
Embodiment 2
Pitch 5000g properties-correcting agent 2000g emulsifying agent 300g
Linking agent 100g thickening material 300g water 5000g
Its medium pitch is No. 120 petroleum pitch;
Wherein properties-correcting agent is SBR asphalt modifier;
Emulsifying agent is alkyl hydroxy amide group polyamines;
Linking agent is aminopropyltriethoxywerene werene;
Thickening material is wilkinite;
The preparation method of reaction bonded type node sealing compound of the present invention comprises the following steps: pitch and properties-correcting agent are stirred 3h at 180 DEG C, makes it abundant melting mixing, obtain mixture A; Use colloidal mill to grind mixture A, obtain mixture B; Start mulser, mixture B and latex rubber agent are added to mulser simultaneously, by asphalt mixture emulsification, are prepared into emulsion, then add thickening material and linking agent, stir, to obtain final product.
Embodiment 3
Pitch 4000g properties-correcting agent 1800g emulsifying agent 200g
Linking agent 60g thickening material 100g water 4000g
Its medium pitch is No. 90 petroleum pitch;
Wherein properties-correcting agent is APP asphalt modifier;
Emulsifying agent is cetyl trimethylammonium bromide;
Linking agent is tetra isopropyl two (dioctyl phosphito acyloxy) titanic acid ester;
Thickening material is ether of cellulose;
The preparation method of reaction bonded type node sealing compound of the present invention comprises the following steps: pitch and properties-correcting agent are stirred 2h at 150 DEG C, makes it abundant melting mixing, obtain mixture A; Use colloidal mill to grind mixture A, obtain mixture B; Start mulser, mixture B and latex rubber agent are added to mulser simultaneously, by asphalt mixture emulsification, are prepared into emulsion, then add thickening material and linking agent, stir, to obtain final product.
Embodiment 4
Pitch 5000g properties-correcting agent 1500g emulsifying agent 150g
Linking agent 80g thickening material 150g water 5000g
Wherein
Pitch is No. 90 petroleum pitch;
Properties-correcting agent is isoprene-isobutylene rubber asphalt modifier;
Emulsifying agent is octadecyl trimethyl ammonium chloride;
Linking agent is two (trolamine) metatitanic acid diisopropyl ester;
Thickening material is sodium alginate;
The preparation method of reaction bonded type node sealing compound of the present invention comprises the following steps: pitch and properties-correcting agent are stirred 2.5h at 140 DEG C, makes it abundant melting mixing, obtain mixture A; Use colloidal mill to grind mixture A, obtain mixture B; Start mulser, mixture B and latex rubber agent are added to mulser simultaneously, by asphalt mixture emulsification, are prepared into emulsion, then add thickening material and linking agent, stir, to obtain final product.
Embodiment 5
Pitch 3000g properties-correcting agent 2000g emulsifying agent 300g
Linking agent 100g thickening material 250g water 3500g
Wherein
Pitch is No. 100 petroleum pitch;
Properties-correcting agent is bituminous neoprene properties-correcting agent;
Emulsifying agent is tallow alkyl amide group polyamines;
Linking agent is distearyl acyl-oxygen aluminum isopropoxide acid esters;
Thickening material is the mixture of polyvinyl alcohol and polyacrylamide 2:1;
The preparation method of reaction bonded type node sealing compound of the present invention comprises the following steps: pitch and properties-correcting agent are stirred 2.1h at 150 DEG C, makes it abundant melting mixing, obtain mixture A; Use colloidal mill to grind mixture A, obtain mixture B; Start mulser, mixture B and latex rubber agent are added to mulser simultaneously, by asphalt mixture emulsification, are prepared into emulsion, then add toughener, thickening material and linking agent, stir, to obtain final product.
Embodiment 6
Pitch 4000g properties-correcting agent 1900g emulsifying agent 60g
Linking agent 70g thickening material 80g water 3200g
Wherein
Pitch is No. 120 petroleum pitch;
Properties-correcting agent is the mixture of SBS asphalt modifier and SBR asphalt modifier 1:1;
Emulsifying agent is N-alkyl trimethyl ammonium chloride;
Linking agent is the mixture of vinyltriethoxysilane and distearyl acyl-oxygen aluminum isopropoxide acid esters 1:1;
Thickening material is the mixture of ether of cellulose and sodium polyacrylate 1:6;
The preparation method of reaction bonded type node sealing compound of the present invention comprises the following steps: pitch and properties-correcting agent are stirred 1.5h at 160 DEG C, makes it abundant melting mixing, obtain mixture A; Use colloidal mill to grind mixture A, obtain mixture B; Start mulser, mixture B and latex rubber agent are added to mulser simultaneously, by asphalt mixture emulsification, are prepared into emulsion, then add toughener, thickening material and linking agent, stir, to obtain final product.
Embodiment 7
Pitch 3100g properties-correcting agent 1550g emulsifying agent 80g toughener 700g
Linking agent 50g thickening material 70g water 4500g
Wherein
Pitch is the mixture of No. 70 petroleum pitch and No. 90 petroleum pitch 3:1;
Properties-correcting agent is the mixture of APP asphalt modifier and isoprene-isobutylene rubber asphalt modifier 1:3;
Emulsifying agent is the mixture of N-alkyl trimethylene diamine and alkyl dimethyl hydroxyethyl ammonium chloride 1:1;
Linking agent is the mixture of vinyltriethoxysilane and two (trolamine) metatitanic acid diisopropyl ester 2:1;
Toughener is the mixture of titanium dioxide and dicalcium powder 1:1;
Thickening material is the mixture of sodium alginate, polyvinyl alcohol and polyacrylamide 2:3:5;
The preparation method of reaction bonded type node sealing compound of the present invention comprises the following steps: pitch and properties-correcting agent are stirred 1.7h at 170 DEG C, makes it abundant melting mixing, obtain mixture A; Use colloidal mill to grind mixture A, obtain mixture B; Start mulser, mixture B and latex rubber agent are added to mulser simultaneously, by asphalt mixture emulsification, are prepared into emulsion, then add toughener, thickening material and linking agent, stir, to obtain final product.
Embodiment 8
Pitch 3300g properties-correcting agent 1600g emulsifying agent 210g toughener 300g
Linking agent 70g thickening material 110g part water 4300g
Wherein
Pitch is the mixture of No. 90 petroleum pitch and No. 120 pitch 1:1;
Properties-correcting agent is the mixture of APP asphalt modifier and bituminous neoprene properties-correcting agent 2:3;
Emulsifying agent is the mixture of bi-quaternary ammonium salt and tallow alkyl amide group polyamines 1:2;
Toughener is glass fibre;
Linking agent is the mixture of aminopropyltriethoxywerene werene and N-β (aminoethyl)-γ-aminopropyltrimethoxysilane 3:2;
Thickening material is the mixture of Silica hydrogel and sodium polyacrylate 1:4;
The preparation method of reaction bonded type node sealing compound of the present invention comprises the following steps: pitch and properties-correcting agent are stirred 1.2h at 165 DEG C, makes it abundant melting mixing, obtain mixture A; Use colloidal mill to grind mixture A, obtain mixture B; Start mulser, mixture B and latex rubber agent are added to mulser simultaneously, by asphalt mixture emulsification, are prepared into emulsion, then add toughener, thickening material and linking agent, stir, to obtain final product.
Embodiment 9
Pitch 4400g properties-correcting agent 1750g emulsifying agent 130g toughener 1500g
Linking agent 90g thickening material 150g water 3900g
Wherein
Pitch is the mixture of No. 100 petroleum pitch and No. 70 petroleum pitch 5:1;
Properties-correcting agent is the mixture of isoprene-isobutylene rubber asphalt modifier, SBS asphalt modifier and SBR asphalt modifier 1:1:1;
Emulsifying agent is the mixture of xylogen amine, stearic acid alkylamidoalkyl polyamines and N-alkyl trimethyl ammonium chloride 1:2:1;
Toughener is the mixture of polypropylene fibre and glass fibre 1:3;
Linking agent is N-β (aminoethyl)-γ-aminopropyltrimethoxysilane;
Thickening material is the mixture of methylcellulose gum, carboxymethyl cellulose sodium and sodium alginate 1:1:2;
The preparation method of reaction bonded type node sealing compound of the present invention comprises the following steps: pitch and properties-correcting agent are stirred 2.2h at 162 DEG C, makes it abundant melting mixing, obtain mixture A; Use colloidal mill to grind mixture A, obtain mixture B; Start mulser, mixture B and latex rubber agent are added to mulser simultaneously, by asphalt mixture emulsification, are prepared into emulsion, then add toughener, thickening material and linking agent, stir, to obtain final product.
Embodiment 10
Pitch 4600g properties-correcting agent 1950g emulsifying agent 120g toughener 3000g
Linking agent 130g thickening material 90g part water 4800g
Wherein
Pitch is No. 120 petroleum pitch;
Properties-correcting agent is the mixture of bituminous neoprene properties-correcting agent and isoprene-isobutylene rubber asphalt modifier 1:1;
Emulsifying agent is the mixture of stearic acid alkylamidoalkyl polyamines, tallow alkyl amide group polyamines and bi-quaternary ammonium salt 2:1:1;
Toughener is the mixture of polypropylene fibre, titanium dioxide and dicalcium powder 1:2:4;
Linking agent is the mixture of aminopropyltriethoxywerene werene and vinyltriethoxysilane 3:1;
Thickening material is the mixture of sodium polyacrylate, poly-ether of cellulose and polyacrylamide 1:1:3;
The preparation method of reaction bonded type node sealing compound of the present invention comprises the following steps: pitch and properties-correcting agent are stirred 2.4h at 172 DEG C, makes it abundant melting mixing, obtain mixture A; Use colloidal mill to grind mixture A, obtain mixture B; Start mulser, mixture B and latex rubber agent are added to mulser simultaneously, by asphalt mixture emulsification, are prepared into emulsion, then add toughener, thickening material and linking agent, stir, to obtain final product.
Embodiment 11
Pitch 4800g properties-correcting agent 1565g emulsifying agent 60g toughener 2500g
Linking agent 110g thickening material 100g part water 4800g
Wherein
Pitch is No. 100 petroleum pitch;
Properties-correcting agent is the mixture of SBS asphalt modifier and SBR asphalt modifier 2:5;
Emulsifying agent is cetyl trimethylammonium bromide and octadecyl trimethyl ammonium chloride 1:1 mixture;
Toughener is the mixture of white carbon black, dicalcium powder and talcum powder 1:3:3;
Linking agent is the mixture of aminopropyltriethoxywerene werene, vinyltriethoxysilane and N-β (aminoethyl)-γ-aminopropyltrimethoxysilane 1:2:1;
Thickening material is the mixture of sodium polyacrylate, poly-ether of cellulose and polyacrylamide 1:2:1;
The preparation method of reaction bonded type node sealing compound of the present invention comprises the following steps: pitch and properties-correcting agent are stirred 2.4h at 172 DEG C, makes it abundant melting mixing, obtain mixture A; Use colloidal mill to grind mixture A, obtain mixture B; Start mulser, mixture B and latex rubber agent are added to mulser simultaneously, by asphalt mixture emulsification, are prepared into emulsion, then add toughener, thickening material and linking agent, stir, to obtain final product.
Embodiment 12
Nanning shed deckhead, in August, 2012 constructs, and have gutter drain gully, wall pipe, have the nodes such as PVC ventilating water pipe, construction environment is moister, adopts reaction bonded type waterproof sealing cream to carry out node encapsulation process.Its construction process is as follows: by the rubbish of position of joints, laitance, dust etc. are cleaned out, with hairbrush by sealing compound brushing and position of joints, gauge control is at 2-3mm, make to react sticky sealing compound and slowly infiltrate concrete pore, form tenon structure, increase the contact area with basal plane, adsorptive power strengthens, formed stablize irreversible chemical covalent bonds with the active hydroxy group of concrete surface and containing oxygen mineral compound generation chemical crosslink reaction, form ionic linkage by the electrostatic interaction between zwitterion simultaneously, i.e. chemisorption, thus it is large to produce intensity, stablize irreversible chemical bonding, greatly increase the cohesive strength with basal plane.Have passed through the test of instrumentation, with cement concrete cohesive strength > 0.5MPa, thermotolerance 90 DEG C is without gliding, tensile strength > 0.4MPa, excellent property, through the test in rainy season of 3 months, does not find that there is seepage and seminess.And common waterproof sealing cream is because construction environment is moister, causes bonding bad, even cannot construct, have impact on waterproof effect.

Claims (10)

1. a reaction bonded type node sealing compound, is characterized in that it is prepared from by the raw material comprising following weight part:
Pitch 30-50 part properties-correcting agent 15-20 part emulsifying agent 0.5-3 part
Linking agent 0.5-3 part thickening material 0.5-3 part water 30-50 part
Wherein
Pitch is petroleum pitch;
Properties-correcting agent is the mixture of one or more than one in thermoplastic elastomer asphalt modifier, rubber pitch modifier; Emulsifying agent is cation asphalt emulgent;
Linking agent is the mixture of the one or more than one in silane coupling agent, titanate coupling agent and aluminate coupling agent;
Thickening material is wilkinite, sodium polyacrylate, sodium alginate, polyvinyl alcohol, ether of cellulose, polyacrylamide, Silica hydrogel, one or more mixture of gelatin.
2. reaction bonded type node sealing compound as claimed in claim 1, is characterized in that it is prepared from by the raw material comprising following weight part:
Pitch 30-50 part properties-correcting agent 15-20 part emulsifying agent 0.5-3 part
Linking agent 0.5-3 part thickening material 0.5-3 part water 30-50 part
Wherein
Pitch is petroleum pitch, and model is No. 70 to No. 120;
Properties-correcting agent is the mixture of one or more than one in polystyrene-type thermoplastic elastomers, polyolefins thermoplastic elastomer, polyvinyl chloride analog thermoplastic elastomer, polyurethane-type thermoplastic's elastomerics, rubber pitch modifier;
Emulsifying agent is alkyl polyamine class asphalt emulsifier, quaternary ammonium salt asphalt emulsifier, oxidation amine asphalt emulsifier, amide group amine asphalt emulsifier, imidazoline type asphalt emulsifier or wooden amine asphalt emulsifying agent;
Linking agent is the mixture of the one or more than one in silane coupling agent, titanate coupling agent and aluminate coupling agent;
Thickening material is wilkinite, sodium polyacrylate, sodium alginate, polyvinyl alcohol, ether of cellulose, polyacrylamide, Silica hydrogel, one or more mixture of gelatin.
3. reaction bonded type node sealing compound as claimed in claim 2, is characterized in that: described properties-correcting agent is one or more mixtures in SBS asphalt modifier, SBR asphalt modifier, APP asphalt modifier, isoprene-isobutylene rubber asphalt modifier or bituminous neoprene properties-correcting agent.
4. reaction bonded type node sealing compound as claimed in claim 2, is characterized in that: described emulsifying agent is the mixture of one or more than one in alkyl dimethyl hydroxyethyl ammonium chloride, alkyl hydroxy amide group polyamines, cetyl trimethylammonium bromide, octadecyl trimethyl ammonium chloride, tallow alkyl amide group polyamines, N-alkyl trimethyl ammonium chloride, N-alkyl trimethylene diamine, stearic acid alkylamidoalkyl polyamines, xylogen amine, bi-quaternary ammonium salt.
5. reaction bonded type node sealing compound as claimed in claim 2, is characterized in that: described linking agent is the mixture of one or more than one in vinyltriethoxysilane, aminopropyltriethoxywerene werene, tetra isopropyl two (dioctyl phosphito acyloxy) titanic acid ester, two (trolamine) metatitanic acid diisopropyl ester, distearyl acyl-oxygen aluminum isopropoxide acid esters, N-β (aminoethyl)-γ-aminopropyltrimethoxysilane.
6. reaction bonded type node sealing compound as claimed in claim 2, is characterized in that: the consumption of described thickening material is 1 ~ 3 part.
7. reaction bonded type node sealing compound as claimed in claim 2, is characterized in that: the consumption of described emulsifying agent is 1 ~ 3 part.
8. as the reaction bonded type node sealing compound of claim 1 ~ 7 as described in any one, it is characterized in that: the toughener also comprising 1 ~ 30 part, described toughener is the mixture of the one or more than one in dicalcium powder, process white, white carbon black, kaolin, polypropylene fibre, glass fibre, talcum powder or titanium dioxide.
9., as the emulsified bitumen waterproof sealing cream of claim 1 ~ 7 as described in any one, it is characterized in that its preparation method comprises the following steps: pitch and properties-correcting agent are stirred 1 ~ 3h at 120-180 DEG C, makes it abundant melting mixing, obtain mixture A; Use colloidal mill to grind mixture A, obtain mixture B; Start mulser, mixture B and latex rubber agent are added to mulser simultaneously, by asphalt mixture emulsification, are prepared into emulsion, then add thickening material and linking agent, stir, to obtain final product.
10. emulsified bitumen waterproof sealing cream as claimed in claim 8, is characterized in that its preparation method comprises the following steps: pitch and properties-correcting agent are stirred 1 ~ 3h at 120-180 DEG C, makes it abundant melting mixing, obtain mixture A; Use colloidal mill to grind mixture A, obtain mixture B; Start mulser, mixture B and latex rubber agent are added to mulser simultaneously, by asphalt mixture emulsification, are prepared into emulsion, then add thickening material, linking agent and toughener, stir, to obtain final product.
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