CN104293226A - Waterproof material with central core fixing structure - Google Patents
Waterproof material with central core fixing structure Download PDFInfo
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- CN104293226A CN104293226A CN201410482969.7A CN201410482969A CN104293226A CN 104293226 A CN104293226 A CN 104293226A CN 201410482969 A CN201410482969 A CN 201410482969A CN 104293226 A CN104293226 A CN 104293226A
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Abstract
The invention discloses a waterproof material with a central core fixing structure, which comprises a first isolating layer, a first adhesive layer, a high-polymer substrate layer, a second adhesive layer and a second isolating layer which are sequentially laminated, wherein the high-polymer substrate layer comprises low-density polyethylene and ethylene-vinyl acetate copolymer in a mass ratio of (400-450):(100-150). The first adhesive layer and second adhesive layer with high viscosity on the two side surfaces of the high-polymer substrate layer can be respectively bonded with the upper and lower concrete mortar layers, so that the waterproof material has high firmness and better waterproof effect after bonding. Besides, the invention also discloses a preparation method of the waterproof material with a central core fixing structure.
Description
Technical field
The present invention relates to a kind of material of construction, particularly relate to a kind of have in the water-proof material of solid cored structure.
Background technology
Water-proof material has the good feature of low temperature flexibility, self-healing property and adhesive property, can normal temperature construction, speed of application is fast and meet environmental requirement.Especially without Hot-melt construction, the sorrow of fire is removed from.Water-proof material resistance to low temperature is good, be applicable to industry and the roofing of civil building, vault, indoor, public works, water reservoir, swimming pool, subway and tunnel waterproof, protection against the tide and seal.Be particularly useful for the water-tight corrosion-proof engineering such as oil depot, chemical plant, textile mills, grain depot needing the military installations of cold construction He should not employ naked light.
Especially along with the high speed development in large, medium and small city, the whole nation, subterranean railway engineering, Tunnel of Highway, the waterproof construction engineerings such as Large Underground parking lot or market place builet below the ground engineering get more and more, the specification of quality of water-proof material and the effect of water-impervious are also improved increasingly, traditional water-proof material is after paving, because polymer base material is harder, the expansion and contraction that is heated is larger, add that As time goes on the viscosity of tackiness agent reduce gradually, particularly the sun be exposed to the sun lower steam expand, base layer motion etc., often follow-up concrete mortar is not also built, just there is hollowing and alice already in water-proof material, the problem even come off, carry out reprocessing operation not only loaded down with trivial details but also consuming time, and there is infiltration hidden danger of leaking greatly.In addition, the width of general water-proof material is limited to technical reason, width is usually designed to and is less than or equal to 1 meter, in construction, often need multiple water-proof materials to overlap the wider coverage rate of formation successively, seam lap quantity can be caused so too much, deepened infiltration hidden danger of leaking further, also reduce the globality of water-proof material simultaneously, cause the construction period longer, executive cost is higher.
Summary of the invention
Based on this, be necessary to provide a kind of water resistance better, bonding with concrete mortar more firmly, bonding with concrete mortar time the having of more convenient operation in consolidate the water-proof material of cored structure.
In having, a water-proof material for solid cored structure, comprises the first sealing coat, the first binder layer, polymer-based sheet material layers, the second binder layer and the second sealing coat that stack gradually;
Wherein, described polymer-based sheet material layers comprises Low Density Polyethylene and ethylene-vinyl acetate copolymer, and both mass ratioes are 400 ~ 450:100 ~ 150.
In one of them embodiment, the thickness of described water-proof material is 1.5mm ~ 3mm.
In one of them embodiment, the width of described water-proof material is 2m ~ 3.5m.
In one of them embodiment, described polymer-based sheet material layers also comprises siccative, look female agent and antiager.
In one of them embodiment, described siccative is plastic defoaming master batch.
In one of them embodiment, the agent of described look female is inject at least one in look mother and blowing look mother.
In one of them embodiment, described antiager is Hinered phenols antioxidant.
A preparation method for water-proof material, comprises the steps: be cascading the first sealing coat, the first binder layer, polymer-based sheet material layers, the second binder layer and the second sealing coat.
In one of them embodiment, described polymer-based sheet material layers adopts following steps preparation:
Be 400 ~ 450:100 ~ 150 in mass ratio, obtain fused solution by after Low Density Polyethylene, ethylene-vinyl acetate copolymer melting mixing, after cooling, obtain described polymer-based sheet material layers.
In one of them embodiment, describedly will obtain in the step of fused solution after Low Density Polyethylene, ethylene-vinyl acetate copolymer melting mixing, described in be blended in forcing machine and carry out.
Above-mentioned have in the water-proof material of solid cored structure by arranging the first binder layer and the second binder layer respectively in the two sides of polymer-based sheet material layers, and the viscosity of the first binder layer and the second binder layer is stronger, can be bonding with bilevel concrete mortar respectively, more firm after bonding, waterproof effect is better.In addition, time bonding, tear respectively the first sealing coat and the second sealing coat both can, more convenient operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the water-proof material of solid cored structure in having of an embodiment of the present invention;
Fig. 2 is the structural representation of the water-proof material of second embodiment of the invention;
Fig. 3 is the structural representation of the water-proof material of third embodiment of the invention;
Fig. 4 is the structural representation of the water-proof material of four embodiment of the invention;
Fig. 5 is the structural representation of the water-proof material of fifth embodiment of the invention;
Fig. 6 is the schema of the preparation method of the water-proof material of an embodiment of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar improvement when intension of the present invention, therefore the present invention is by the restriction of following public concrete enforcement.
As shown in Figure 1, in the having of an embodiment of the present invention, the water-proof material 10 of solid cored structure comprises the first sealing coat 110, first binder layer 120, polymer-based sheet material layers 130, second binder layer 140 and the second sealing coat 150 that stack gradually.
The thickness of water-proof material 10 and width are respectively 1.5mm ~ 3mm and 2m ~ 3.5m.Like this, the seam lap of water-proof material 10 when laying construction operates can be reduced, thus reduce the hidden danger of infiltration of leaking, and then the globality of water-proof material 10 is strengthened, reduce construction time, reduce construction cost.Certainly, in other embodiments, the thickness of water-proof material 10 and width also can be other values, and the thickness of water-proof material 10 and width can adjust according to actual needs.
Be appreciated that by solid cored structure in arranging polymer-based sheet material layers 130 water-proof material 10 can being made to have.
Above-mentioned water-proof material 10, can be bonding with bilevel concrete mortar respectively by arranging the first binder layer 120 and the second binder layer 140 respectively in the two sides of polymer-based sheet material layers 130, and more firm after bonding, waterproof effect is better.In addition, time bonding, tear respectively the first sealing coat 110 and the second sealing coat 150 both can, more convenient operation.
As shown in Figure 2, the water-proof material 20 of second embodiment of the invention comprise stack gradually the first sealing coat 110a, the first binder layer 120a, polymer-based sheet material layers 130a, the second binder layer 140a and the second sealing coat 150a.Two sides of polymer-based sheet material layers 130a arrange several lug bosses 131a respectively, filling slot 132a is formed between every a pair adjacent two lug boss 131a of the same side of polymer-based sheet material layers 130a, at least part of first binder layer 120a and the second binder layer 140a is embedded in filling slot 132a, bond area can be increased on the one hand, two sides that can also strengthen on the other hand polymer-based sheet material layers 130a respectively and the frictional force produced between the first binder layer 120a and the second binder layer 140a, thus make the first binder layer 120a and the second binder layer 140a more firm and be closely bonded on polymer basic unit 130a, avoid polymer-based sheet material layers 130a and between the first binder layer 120a and the second binder layer 140a, layering occurs, hollowing and alice phenomenon, and then water infiltrate first binder layer 120a and the second binder layer 140a can be stoped to flow into polymer basic unit 130a, the junction of the first binder layer 120a and the second binder layer 140a, flow out from the side of polymer basic unit 130a again, drastically increase the water resistance of water-proof material 20.
As shown in Figure 3, the water-proof material 30 of third embodiment of the invention comprise stack gradually the first sealing coat 110b, the first binder layer 120b, polymer-based sheet material layers 130b, the second binder layer 140b and the second sealing coat 150b.Polymer-based sheet material layers 130b comprises polymer base material body 131b and four limiting section 132b, every a pair limiting section 132b is fixedly installed on the both sides of polymer base material body 131b mono-side edge respectively, and limiting section 132b is vertically installed in polymer base material body 131b, that is, four limiting section 132b are arranged at four end angle places of polymer base material body 131b respectively.Stopper slot 133b is formed between every a pair limiting section 132b of the same side of polymer base material body 131b, at least part of first binder layer 120b and the second binder layer 140b is embedded in stopper slot 133b, like this, limiting section 132b can limit the first binder layer 120b and the second binder layer 140b to the lateral flow departing from polymer-based sheet material layers 130b, thus can avoid when application of adhesive or excessive compression first binder layer 120b and the second binder layer 140b, the problem of leaking glue is there is in the first binder layer 120b and the second binder layer 140b at the side of polymer-based sheet material layers 130b, and then avoid web-like packaging water-proof material 30 when tearing use, the problem that the side of multilayer flashing material 30 is inter-adhesive.In addition, limiting section 132b can also avoid the extraneous unfavorable factor such as steam, dust, oil stain to penetrate into problem the first binder layer 120b and the second binder layer 140b from the side of polymer-based sheet material layers 130b, thus greatly extends the work-ing life of water-proof material 30.
Interference is produced to during water-proof material 30 bonding concrete mortar in order to prevent limiting section 132b, such as, refer to figure, limiting section 132b in polymer base material body 131b two sides is provided with buffer zone 134b respectively and between the first sealing coat 110b and the second sealing coat 150b, be appreciated that, during water-proof material 30 bonding concrete mortar, the action of certain pressing can make the less thick of the first binder layer 120b and the second binder layer, can prevent limiting section 132b from directly contacting with concrete mortar by arranging buffer zone 134b, thus can prevent limiting section 132b from producing interference to during water-proof material 30 bonding concrete mortar.
As shown in Figure 4, the water-proof material 40 of four embodiment of the invention comprise stack gradually the first sealing coat 110c, the first binder layer 120c, polymer-based sheet material layers 140c, the second binder layer 140c and the second sealing coat 150c.The side edge of the first sealing coat 110c and the second sealing coat 150c arranges a pair first resistive portion 111c and the second resistive portion 151c respectively, first resistive portion 111c is vertically installed in the first sealing coat 110c, second resistive portion 151c is arranged at the second sealing coat 150c, and, first resistive portion 111c and the second resistive portion 151c all with polymer-based sheet material layers 140c close contact, when when manufacturing and preserve placement water-proof material 40, first resistive portion 111c and the second resistive portion 151c further can avoid Lou glue problem, when when bonding concrete mortar, because the first sealing coat 110c and the second sealing coat 150c torn by needs, also the first sealing coat 110c and the second sealing coat 150c can be avoided to affect adhesive effect.
Please refer to Fig. 1, Fig. 2, Fig. 4 and Fig. 5, the water-proof material 50 of fifth embodiment of the invention is with the distinctive points of water-proof material 10, it have employed water-proof material 20 arranges several lug bosses 131a respectively technical characteristic about two sides of polymer-based sheet material layers 130a simultaneously, and have employed water-proof material 40 arranges a pair first resistive portion 111c and the second resistive portion 151c respectively technical characteristic about the side edge of the first sealing coat 110c and the second sealing coat 150c, thus the first binder layer can be solved better and the second binder layer is bonded in polymer-based sheet material layers more securely, water-proof material is avoided to produce layering, hollowing and alice, water-proof material side is avoided to leak the technical problem of glue.Concrete structure repeats no more.
Such as, the water-proof material of an embodiment of the present invention, comprise the first sealing coat, the first binder layer, polymer-based sheet material layers, the second binder layer and the second sealing coat that stack gradually, wherein, described polymer-based sheet material layers comprises Low Density Polyethylene and ethylene-vinyl acetate copolymer, and both mass ratioes are 400 ~ 450:100 ~ 150.And for example, the thickness of described water-proof material is 1.5mm ~ 3mm.And for example, the width of described water-proof material is 2m ~ 3.5m.And for example, described polymer-based sheet material layers also comprises siccative, look female agent and antiager.And for example, described siccative is plastic defoaming master batch.And for example, the agent of described look female is inject at least one in look mother and blowing look mother.And for example, described antiager is Hinered phenols antioxidant.
And for example, the water-proof material of an embodiment of the present invention, comprises the first sealing coat, the first binder layer, polymer-based sheet material layers, the second binder layer and the second sealing coat that stack gradually.
Polymer-based sheet material layers comprises the antiager of the Low Density Polyethylene (LDPE) of 400 parts ~ 450 parts, the ethylene-vinyl acetate copolymer (EVA) of 100 parts ~ 150 parts, the siccative of 10 parts ~ 15 parts, the female agent of look of 10 parts ~ 15 parts and 0.2 part ~ 0.3 part.
Be the polymer-based sheet material layers that the Low Density Polyethylene of 400 ~ 450:100 ~ 150 and ethylene-vinyl acetate copolymer prepare by adopting mass ratio, on the one hand, this polymer-based sheet material layers possesses good stretch-proof and the mechanical property of puncture, can prevent water-proof material from being torn by foreign object or piercing through, and relative to the width of traditional water-proof material due to the restriction of polymer-based sheet material layers mechanical property, width is usually designed to and is less than or equal to 1 meter, the width of above-mentioned water-proof material can reach 2m ~ 3.5m, greatly reduce the seam lap of water-proof material when laying construction operates, on the other hand, this polymer-based sheet material layers also has good softness, at laying negative and positive angle, namely when circular arc or straight line chamfering, is convenient to the laying construction operation of water-proof material, in addition, the thermal change shrinking percentage of this polymer-based sheet material layers is also lower, in high temperature environments, such as, during solar exposure, still can bond together securely with the first binder layer and the second binder layer, thus water-proof material can be avoided to produce the problem of layering, hollowing and alice.Such as, adopt mass ratio to be the polymer-based sheet material layers that the Low Density Polyethylene of 4:1 and ethylene-vinyl acetate copolymer prepare, the over-all properties preparing water-proof material is better.
In present embodiment, siccative is plastic defoaming master batch.
In present embodiment, look female agent is inject at least one in look mother and blowing look mother
In present embodiment, antiager is Hinered phenols antioxidant.Such as, antioxidant 1010, and for example irgasfos 168.
First binder layer and the second binder layer comprise the filler of the 70# bi tumenf orr oad of 30 parts ~ 50 parts, the Atactic Polypropelene (APP) of 2 parts ~ 5 parts, the compatilizer of 10 parts ~ 20 parts, the properties-correcting agent of 5 parts ~ 10 parts, the thickening material of 10 parts ~ 20 parts, the tackifying resin of 5 parts ~ 8 parts, the oxidation inhibitor of 0.1 part ~ 0.5 part and 15 parts ~ 25 parts.
In present embodiment, compatilizer is at least one in No. 15 rubber oils and No. 35 rubber oils.
In present embodiment, properties-correcting agent is at least one in styrene-butadiene-styrene block copolymer (SBS), styrene butadiene random copolymer (SBR), vinylbenzene-isoprene-styrene block copolymer (SIS) and Hydrogenated thermoplastic's triblock copolymer (SEBS).
In present embodiment, thickening material is for reclaiming at least one in using rubber powder of waste tire and waste and old styrene butadiene rubber powder.
In present embodiment, tackifying resin is at least one in coumarone indene resin (APP) and Gum Rosin.
In present embodiment, oxidation inhibitor is four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] at least one in pentaerythritol ester, three (2,4-di-tert-butyl-phenyl) phosphorous acid esters and tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester.
In present embodiment, filler is at least one in talcum powder and water-ground limestone.
In present embodiment, sealing coat is plate at least one in silicone oil barrier film and kraft paper.
Such as, first binder layer of an embodiment of the present invention and the second binder layer comprise the filler of the 70# bi tumenf orr oad of 30 parts ~ 50 parts, the Atactic Polypropelene of 2 parts ~ 5 parts, the compatilizer of 10 parts ~ 20 parts, the styrene-butadiene-styrene block copolymer of 5 parts ~ 10 parts, the thickening material of 10 parts ~ 20 parts, the coumarone indene resin of 5 parts ~ 8 parts, the oxidation inhibitor of 0.1 part ~ 0.5 part and 15 parts ~ 25 parts.
Compatilizer in above-mentioned first binder layer and the second binder layer can promote the swelling process of styrene-butadiene-styrene block copolymer in 70# bi tumenf orr oad effectively, and it is crosslinked to make the heteroatoms in the carbon-carbon double bond functional group of styrene-butadiene-styrene block copolymer and the methylene radical active group at ortho position thereof and 70# bi tumenf orr oad and active group occur, the chemical reactions such as grafting, increase to make the polar portion of styrene-butadiene-styrene block copolymer and 70# bi tumenf orr oad, thus the consistency of styrene-butadiene-styrene block copolymer and 70# bi tumenf orr oad can be improved, reduce the surface energy of whole system, give full play to the Efficient Adhesive Promotion of coumarone indene resin, system wetting property is good, tack is high, the first binder layer and the second binder layer can be made can either to be bonded in securely in polymer-based sheet material layers, can lay more closely again and be adsorbed on construction on the surface, form good bonding interface.
In addition, by the Atactic Polypropelene that employing mass ratio is 2 ~ 5:5 ~ 10:10 ~ 20, styrene-butadiene-styrene block copolymer and thickening material, on the one hand, can guarantee that tackiness agent has good mobility under the application temperature of 150 DEG C ~ 200 DEG C, on the other hand, the force of cohesion degree after tackiness agent solidification and integral hardness can also be improved, impart the viscosity that tackiness agent is more lasting, thus make the first binder layer of the rear formation of tackiness agent solidification and the second binder layer and concrete mortar more firm adhesively, and then avoid water-proof material generation layering, the problem of hollowing and alice, water resistance is better.
Such as, the preparation method of the water-proof material of an embodiment of the present invention, comprises the steps: be cascading the first sealing coat, the first binder layer, polymer-based sheet material layers, the second binder layer and the second sealing coat.And for example, described polymer-based sheet material layers adopts following steps preparation: be 400 ~ 450:100 ~ 150 in mass ratio, obtain fused solution by after Low Density Polyethylene, ethylene-vinyl acetate copolymer melting mixing, obtain described polymer-based sheet material layers after cooling.And for example, by obtaining in the step of fused solution after Low Density Polyethylene, ethylene-vinyl acetate copolymer melting mixing, being blended in forcing machine and carrying out.
And for example, the preparation method of the water-proof material of an embodiment of the present invention, comprise the steps, at 170 DEG C ~ 190 DEG C, be 400 ~ 450:100 ~ 150:10 ~ 15:10 ~ 15:0.2 ~ 0.3 in mass ratio, obtain fused solution by after Low Density Polyethylene, ethylene-vinyl acetate copolymer, siccative, look female agent and antiager melting mixing; Described fused solution is cooled, obtains polymer base material; At 180 DEG C ~ 190 DEG C, be 30 ~ 50:10 ~ 20 in mass ratio, obtain the first mixed solution by after 70# bi tumenf orr oad and compatilizer stirring and evenly mixing; At 185 DEG C ~ 200 DEG C, be 40 ~ 70:5 ~ 10 in mass ratio, after described first mixed solution and properties-correcting agent being ground, obtain the second mixed solution; At 185 DEG C ~ 200 DEG C, be 45 ~ 80:2 ~ 5:10 ~ 20:5 ~ 8:0.1 ~ 0.5 in mass ratio, after described second mixed solution, Atactic Polypropelene, thickening material, tackifying resin and oxidation inhibitor stirring and evenly mixing, obtain the 3rd mixed solution; Be 62.1 ~ 113.5:15 ~ 25 in mass ratio, after described 3rd mixed solution and filler stirring and evenly mixing, obtain tackiness agent; The first binder layer is formed after while hot described tackiness agent being coated in the side of described polymer base material, and the first sealing coat is attached to the side of described first binder layer away from described polymer base material, then the second binder layer is formed after more described tackiness agent being coated in another side of described polymer base material while hot, and the second sealing coat is attached to described second binder layer another side away from described polymer base material, obtain described water-proof material after cooling.
The polymer-based sheet material layers of the water-proof material that the preparation method of above-mentioned water-proof material obtains has splendid physical and mechanical properties, can meet the requirement of construction work to water-proof material anti tear, stretch-proof and being folded without breaking.And the viscosity of the first binder layer of above-mentioned water-proof material and the second binder layer is comparatively strong, can be bonding with bilevel concrete mortar respectively, more firm after bonding, waterproof effect is better.In addition, time bonding, tear respectively the first sealing coat and the second sealing coat both can, more convenient operation.
As shown in Figure 6, the preparation method of the water-proof material of an embodiment of the present invention, comprises the steps:
S110: at 170 DEG C ~ 190 DEG C, be 400 ~ 450:100 ~ 150:10 ~ 15:10 ~ 15:0.2 ~ 0.3 in mass ratio, obtain fused solution by after Low Density Polyethylene, ethylene-vinyl acetate copolymer, siccative, look female agent and antiager melting mixing.
In present embodiment, by in the step of Low Density Polyethylene, ethylene-vinyl acetate copolymer, siccative, the female agent of look and antiager melting mixing, be blended in forcing machine and carry out, and the optimum configurations of forcing machine is become: extruded velocity is 500 ~ 1000r/min and extrusion capacity is >=500kg, like this, the agent of Low Density Polyethylene, ethylene-vinyl acetate copolymer, siccative, look female and antiager can be made better and quickly melting process to occur, meanwhile, fused solution also can be made to be mixed more uniformly.
S120: fused solution is cooled, obtains polymer base material.
In present embodiment, polymer base material is rectangular sheet structure.
S130: at 180 DEG C ~ 190 DEG C, is 30 ~ 50:10 ~ 20 in mass ratio, obtains the first mixed solution by after 70# bi tumenf orr oad and compatilizer stirring and evenly mixing.
S140: at 185 DEG C ~ 200 DEG C, is 40 ~ 70:5 ~ 10 in mass ratio, obtains the second mixed solution after the first mixed solution and properties-correcting agent being ground.
By by the first mixed solution and properties-correcting agent grinding, the first mixed solution and properties-correcting agent can be made to be mixed more uniformly, meanwhile, be conducive to accelerating the swelling process of properties-correcting agent in the first mixed solution.
S150: at 185 DEG C ~ 200 DEG C is 45 ~ 80:2 ~ 5:10 ~ 20:5 ~ 8:0.1 ~ 0.5 in mass ratio, after the second mixed solution, Atactic Polypropelene, thickening material, tackifying resin and oxidation inhibitor stirring and evenly mixing, obtains the 3rd mixed solution.
S160: be 62.1 ~ 113.5:15 ~ 25 in mass ratio, after the 3rd mixed solution and filler stirring and evenly mixing, obtain tackiness agent.
S170: form the first binder layer after while hot tackiness agent being coated in the side of polymer base material, and the first sealing coat is attached to the side of the first binder layer away from polymer base material, then the second binder layer is formed after tackiness agent being coated in another side of polymer base material while hot again, and the second sealing coat is attached to the second binder layer another side away from polymer base material, obtain above-mentioned water-proof material after cooling.
By two side application of adhesive successively at polymer base material formed the first binder layer and the second binder layer can avoid simultaneously on two sides of polymer base material application of adhesive cause occurring the too high problem occurring non-reversible deformation of polymer base material temperature, thus ensure that the total quality of water-proof material.
In present embodiment, after first sealing coat being attached to the step of the first binder layer away from the side of polymer base material, before forming the step of the second binder layer after tackiness agent being coated in another side of polymer base material, also comprise the steps: polymer base material 10 DEG C ~ 30 DEG C coolings.Like this, the while of can avoiding further, on two sides of polymer base material, application of adhesive causes occurring that the too high problem occurring non-reversible deformation of polymer base material temperature appears in polymer base material temperature too high causing, and further increases the total quality of water-proof material.Such as, be cooled to water flowing cooling, and for example, be cooled to ventilating and cooling.
Above-mentioned water-proof material is by arranging the first binder layer and the second binder layer respectively in the two sides of polymer-based sheet material layers, and the viscosity of the first binder layer and the second binder layer is stronger, can be bonding with bilevel concrete mortar respectively, more firm after bonding, waterproof effect is better.In addition, time bonding, tear respectively the first sealing coat and the second sealing coat both can, more convenient operation.
The polymer-based sheet material layers of the water-proof material that the preparation method of above-mentioned water-proof material obtains has splendid physical and mechanical properties, can meet the requirement of construction work to water-proof material anti tear, stretch-proof and being folded without breaking.And the advantage such as viscosity is strong, weather-proof, heat-resisting, chemical stability is good and comprehensive mechanical property is good that above-mentioned water-proof material has, may be used for the fields such as bridge tunnel waterproof.
The preparation method of above-mentioned water-proof material, not only can effectively prepare qualified water-proof material, and quite simple in operating process, is applicable to apply.
Be specific embodiment part below.
Embodiment 1
A: the preparation of polymer base material:
(1) raw-material outfit: get Low Density Polyethylene 400kg, ethylene-vinyl acetate copolymer 100kg, plastic defoaming master batch 10kg, injection look female 10kg, antioxidant 1010 0.2kg mix, and stir.
(2) starting material after stirring are conveyed into forcing machine, obtain through cross-head output, traction, cooling, rolling the polymer base material that thickness is 0.5mm.Wherein, the optimum configurations of forcing machine becomes: extruded velocity is 500r/min, extrusion capacity 500kg, and temperature is 170 DEG C.
B: the preparation of tackiness agent:
(1) 70# bi tumenf orr oad 30kg, No. 35 rubber oil 10kg are added in material-compound tank successively heat, stir and be warming up to 180 DEG C.
(2) when temperature rises to 185 DEG C, add styrene-butadiene-styrene block copolymer, and temperature is controlled to be 185 DEG C, then stir, and add in colloidal mill simultaneously and grind, stir and complete process of lapping in 1 hour.
(3) successively by Atactic Polypropelene 2kg, waste and old styrene butadiene rubber powder 10kg, coumarone indene resin 5kg and four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester 0.1kg adds in material-compound tank, and keep temperature in material-compound tank to be 185 DEG C, continue stirring 2 hours.
(4) finally add talcum powder 15kg, stir 1 hour, prepare tackiness agent, be cooled to 155 DEG C of insulations for subsequent use.
C: the preparation of water-proof material:
The tackiness agent prepared is coated on polymer base material one side, form the first binder layer, then attach the first sealing coat, after water flowing cooling, carry out drawing and evening up operation, afterwards, the tackiness agent prepared is coated in polymer base material another side one side, forms the second binder layer, then attach the second sealing coat, after water flowing cooling, then carry out cooling, draw, tuningout, rolling, packaging can obtain the water-proof material that thickness is 1.5mm.The performance of water-proof material prepared by embodiment 1 is in table 1.
Embodiment 2
A: the preparation of polymer base material:
(1) raw-material outfit: get Low Density Polyethylene 420kg, ethylene-vinyl acetate copolymer 130kg, plastic defoaming master batch 12kg, injection look female 13kg, irgasfos 168 0.25kg mix, and stir.
(2) starting material after stirring are conveyed into forcing machine, obtain through cross-head output, traction, cooling, rolling the polymer base material that thickness is 0.8mm.Wherein, the optimum configurations of forcing machine becomes: extruded velocity is 800r/min, extrusion capacity 600kg, and temperature is 180 DEG C.
B: the preparation of tackiness agent:
(1) 70# bi tumenf orr oad 45kg, No. 15 rubber oil 15kg are added in material-compound tank successively heat, stir and be warming up to 185 DEG C.
(2) when temperature rises to 190 DEG C, add vinylbenzene-isoprene-styrene block copolymer, and temperature is controlled to be 190 DEG C, then stir, and add in colloidal mill simultaneously and grind, stir and complete process of lapping in 1 hour.
(3) successively by Atactic Polypropelene 3kg, using rubber powder of waste tire 16kg, Gum Rosin 7kg and three (2,4-di-tert-butyl-phenyl) phosphorous acid ester and tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester 0.3kg adds in material-compound tank, and keep temperature in material-compound tank to be 185 DEG C, continue stirring 2 hours.
(4) finally add talcum powder 20kg, stir 1 hour, prepare tackiness agent, be cooled to 155 DEG C of insulations for subsequent use.
C: the preparation of water-proof material:
The tackiness agent prepared is coated on polymer base material one side, form the first binder layer, then attach the first sealing coat, after water flowing cooling, carry out drawing and evening up operation, afterwards, the tackiness agent prepared is coated in polymer base material another side one side, forms the second binder layer, then attach the second sealing coat, after water flowing cooling, then carry out cooling, draw, tuningout, rolling, packaging can obtain the water-proof material that thickness is 2mm.The performance of water-proof material prepared by embodiment 2 is in table 1.
Embodiment 3
A: the preparation of polymer base material:
(1) raw-material outfit: get Low Density Polyethylene 450kg, ethylene-vinyl acetate copolymer 150kg, plastic defoaming master batch 15kg, injection look female 15kg, antioxidant 1010 0.3kg mix, and stir.
(2) starting material after stirring are conveyed into forcing machine, obtain through cross-head output, traction, cooling, rolling the polymer base material that thickness is 1mm.Wherein, the optimum configurations of forcing machine becomes: extruded velocity is 1000r/min, extrusion capacity 800kg, and temperature is 190 DEG C.
B: the preparation of tackiness agent:
(1) 70# bi tumenf orr oad 50kg, No. 35 rubber oil 20kg are added in material-compound tank successively heat, stir and be warming up to 190 DEG C.
(2) when temperature rises to 200 DEG C, add styrene-butadiene-styrene block copolymer, and temperature is controlled to be 200 DEG C, then stir, and add in colloidal mill simultaneously and grind, stir and complete process of lapping in 1 hour.
(3) successively by Atactic Polypropelene 5kg, using rubber powder of waste tire 20kg, coumarone indene resin 8kg and four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester 0.5kg adds in material-compound tank, and keep temperature in material-compound tank to be 200 DEG C, continue stirring 2 hours.
(4) finally add talcum powder 25kg, stir 1 hour, prepare tackiness agent, be cooled to 155 DEG C of insulations for subsequent use.
C: the preparation of water-proof material:
The tackiness agent prepared is coated on polymer base material one side, form the first binder layer, then attach the first sealing coat, after water flowing cooling, carry out drawing and evening up operation, afterwards, the tackiness agent prepared is coated in polymer base material another side one side, forms the second binder layer, then attach the second sealing coat, after water flowing cooling, then carry out cooling, draw, tuningout, rolling, packaging can obtain the water-proof material that thickness is 3mm.The performance of water-proof material prepared by embodiment 3 is in table 1.
Wherein, the index of table 1 is wet paving P class water-proof material physical and mechanical property operative norm: GB/T23457-2009.
Table 1
In table 1, the thickness of the water-proof material of embodiment 1, embodiment 2 and embodiment 3 preparation is followed successively by 1.5mm, 2mm and 3mm, and the thickness of the polymer-based sheet material layers of the water-proof material of embodiment 1, embodiment 2 and embodiment 3 preparation is followed successively by 0.5mm, 0.8mm and 1mm.
As can be seen from Table 1, the pulling force conservation rate under the tensile property of water-proof material of embodiment 1, embodiment 2 and embodiment 3 preparation, tear strength and thermal ageing condition and percent retention of elongation are all greater than I class and II class of wet paving P class water-proof material index.
In addition, pulling force conservation rate under the tensile property of water-proof material of embodiment 1, embodiment 2 and embodiment 3 preparation, tear strength and thermal ageing condition and percent retention of elongation strengthen successively, and major cause is that the thickness of the polymer-based sheet material layers of water-proof material prepared by embodiment 1, embodiment 2 and embodiment 3 increases successively.
The water-proof material of embodiment 1, embodiment 2 and embodiment 3 preparation and the stripping strength of sand-cement slurry can reach 2.8 N/mm, 2.7 N/mm and 2.8N/mm respectively, are far longer than I class and II class of wet paving P class water-proof material index.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. in having, a water-proof material for solid cored structure, is characterized in that, comprise the first sealing coat, the first binder layer, polymer-based sheet material layers, the second binder layer and the second sealing coat that stack gradually;
Wherein, described polymer-based sheet material layers comprises Low Density Polyethylene and ethylene-vinyl acetate copolymer, and both mass ratioes are 400 ~ 450:100 ~ 150.
2. water-proof material according to claim 1, is characterized in that, the thickness of described water-proof material is 1.5mm ~ 3mm.
3. water-proof material according to claim 1, is characterized in that, the width of described water-proof material is 2m ~ 3.5m.
4. water-proof material according to claim 1, is characterized in that, described polymer-based sheet material layers also comprises siccative, look female agent and antiager.
5. water-proof material according to claim 4, is characterized in that, described siccative is plastic defoaming master batch.
6. water-proof material according to claim 4, is characterized in that, the agent of described look female is inject at least one in look mother and blowing look mother.
7. water-proof material according to claim 4, is characterized in that, described antiager is Hinered phenols antioxidant.
8. a preparation method for water-proof material, is characterized in that, comprises the steps: be cascading the first sealing coat, the first binder layer, polymer-based sheet material layers, the second binder layer and the second sealing coat.
9. the preparation method of water-proof material according to claim 8, is characterized in that, described polymer-based sheet material layers adopts following steps preparation:
Be 400 ~ 450:100 ~ 150 in mass ratio, obtain fused solution by after Low Density Polyethylene, ethylene-vinyl acetate copolymer melting mixing, after cooling, obtain described polymer-based sheet material layers.
10. the preparation method of water-proof material according to claim 9, is characterized in that, describedly will obtain in the step of fused solution after Low Density Polyethylene, ethylene-vinyl acetate copolymer melting mixing, described in be blended in forcing machine and carry out.
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