CN107353823A - A kind of uncured rubber asphalt waterproof coating of root-resistant puncturing - Google Patents

A kind of uncured rubber asphalt waterproof coating of root-resistant puncturing Download PDF

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Publication number
CN107353823A
CN107353823A CN201710512536.5A CN201710512536A CN107353823A CN 107353823 A CN107353823 A CN 107353823A CN 201710512536 A CN201710512536 A CN 201710512536A CN 107353823 A CN107353823 A CN 107353823A
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CN
China
Prior art keywords
coating
uncured rubber
root
asphalt waterproof
rubber asphalt
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Pending
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CN201710512536.5A
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Chinese (zh)
Inventor
徐立
孙智理
孙泽斐
吕正道
孙媛
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Beijing New Century Beijing Hi Waterproof Material Co Ltd
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Beijing New Century Beijing Hi Waterproof Material Co Ltd
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Priority to CN201710512536.5A priority Critical patent/CN107353823A/en
Publication of CN107353823A publication Critical patent/CN107353823A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D191/00Coating compositions based on oils, fats or waxes; Coating compositions based on derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18Fireproof paints including high temperature resistant paints
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D7/00Roof covering exclusively consisting of sealing masses applied in situ; Gravelling of flat roofs
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/20Recycled plastic
    • C08L2207/24Recycled plastic recycling of old tyres and caoutchouc and addition of caoutchouc particles

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Road Paving Structures (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of uncured rubber asphalt waterproof coating of root-resistant puncturing, a kind of preparing process of the uncured rubber asphalt waterproof coating of root-resistant puncturing is:Pitch is heated to 140 DEG C and squeezes into agitator tank, softening agent, rubber powder, high molecular polymer are added, is stirred 30 minutes, temperature is raised to 160 DEG C, both sides are ground into colloid mill, temperature is raised to 190 DEG C, adds specialist additive, stirs 1 hour, root-resistant puncturing agent is added when being cooled to 160~170 DEG C, stirring 1 hour, add filler and stir 1 hour, discharging.The present invention solve because base course crack stress passes to waterproof layer and caused by waterproof fault rupture, flex fatigue destroy or waterproof layer is in high-stress state premature aging the problems such as, simultaneously, due to the viscosity of the present invention, pore and the crack of basic unit can be closed well, solve the channeling water problem of waterproof layer, waterproof reliability is greatly enhanced.

Description

A kind of uncured rubber asphalt waterproof coating of root-resistant puncturing
(One)Technical field
The invention belongs to water-repellent paint field, more particularly to a kind of uncured rubber asphalt waterproof coating of root-resistant puncturing.
(Two)Background technology
The seepage of building structure is to perplex a problem of building trade for a long time, and building waterproofing technique and waterproof material are always It is the important topic that scientific research personnel puts forth effort research.China's leakage of buildings situation situation is surprising and severe.
Problems be present in existing waterproof material and waterproof construction technology:Rigidity water-proofing material is easily by basic unit's deformation Influence and cause the cracking of waterproof layer, directly affect its water-proof function;Flexible waterproof material in use, because of construction or outer Power causes basal plane or waterproof material to damage, and can cause to intake between waterproof layer and basal plane, if waterproof roll is using point paving or bar The mode of paving, then channeling water is easily caused after water inlet, once leakage of buildings phenomenon occurs, it is difficult to source be found, to maintenance Cause difficulty.And if by the way of completely spreading, although due to the bonding between waterproof material and basal plane, can play certain The effect of water is obstructed, but because material is adhered to substrate surface, what waterproof material was still shown during base course crack is zero extension:I.e. Material is set to have certain elongation percentage in itself, but when base course crack, material also destroys therewith, or only small extension, without Possesses real anti-base course crack ability.The concept of " zero extension " has in the industry cycle been recognized.In the viscous of flexible waterproof layer and basic unit In terms of knot, always in the presence of a contradiction.If waterproof layer is firmly bonded with basic unit, it has been not in drum phenomenon that advantage, which is, also not Easily there is the channeling water phenomenon under waterproof layer.Shortcoming is waterproof layer influenceed by basic unit's deformation it is big, once base course crack, waterproof layer During by action of pulling stress, the waterproof layer of crack both sides does not almost have stripping area, and tension is transmitted without normal direction both sides and can only collected In in cracking position, the crack of very little may cause waterproof layer by drawing crack;Even if not by drawing crack, the waterproof layer of location of cracks Also due to it is chronically at high-stress state and accelerated ageing, or because stretching repeatedly produces fatigue rupture.Therefore just have Take empty paving to handle in predictable location of cracks such as plate end seam etc., or waterproof layer all using empty paving, put glue or The waterproofing process of bar paving, this is also one of way that current specification is recommended.But thus generate another question again, i.e., Once waterproof layer produces minuscule hole or crack at some position and leak, channeling water phenomenon just occurs under waterproof layer, and It is difficult to find the source of seepage, very big difficulty is brought to patch work.
(Three)The content of the invention
It is an object of the invention to provide a kind of uncured rubber asphalt waterproof coating of root-resistant puncturing, it is intended to solves because of base course crack Stress passes to waterproof layer and causes waterproof fault rupture, flex fatigue to destroy or waterproof layer is in high-stress state premature aging The problem of and the problem of waterproof layer channeling water.
The present invention is achieved in that a kind of uncured rubber asphalt waterproof coating each component of root-resistant puncturing and its mass ratio For:Pitch 10%-15%, shoddy 5%-15%, softening agent 24%-45%, high molecular polymer 5%-10%, specialist additive 4%- 10%th, root-resistant puncturing agent 0.5%, filler 20%-30%.
Further, described pitch is selected from the one kind or its mixture handed in 90# pitches, 10# pitches again.
Further, described shoddy is the tire tread rubber powder of 60-80 mesh.
Further, described softening agent is naphthenic oil, aromatic naphtha, subtracts one kind or its several mixture in third fractional oil.
Further, described high molecular polymer be SBS, SBR, SIS, SEBS, APP, APAO, POE in one kind or its Several mixtures.
Further, described specialist additive is polyamide hot, one kind in modified polyamide or its mixture.
Further, described root-resistant puncturing agent is the PREVENTOL B2 root-resistant puncturing agent of German Lang Sheng chemical companies.
Further, described filler is 400 mesh coarse whitings or 400 mesh talcum powder.
A kind of preparing process of the uncured rubber asphalt waterproof coating of root-resistant puncturing is as follows:
Step 1: pitch is heated into 140 DEG C squeezes into agitator tank;
Step 2: adding softening agent, rubber powder, high molecular polymer, stir 30 minutes, temperature is raised to 160 DEG C;
Step 3: grinding both sides into colloid mill, temperature is raised to 190 DEG C, adds specialist additive, stirs 1 hour;
Step 4: adding root-resistant puncturing agent when being cooled to 160~170 DEG C, stir 1 hour, add filler and stir 1 hour;
Step 5: discharging.
A kind of construction method of the uncured rubber asphalt waterproof coating of root-resistant puncturing is as follows:
Special-shaped position:The detail sections such as the corner at negative and positive angle, plane and facade are first brushed, and thickness is advisable with 2mm, and will Coiled material cuts into respective shapes and enclosed, and full-scale construction is carried out after extra play is finished, it is ensured that Bulk coat is consistent thickness;
Large area spraying application:
Step 1: after basal plane cleans out, heating batch can is opened, material is poured into batch can heated in advance, treat that coating is whole When temperature reaches 150 DEG C of sprayable state, uniformly sprayed with special coating machine, can be thick according to different designs during spraying Degree exchanges different spray guns, waterproof layer one-shot forming, thickness 2mm;
Step 2: after having sprayed certain area, method detection coating layer thickness is surveyed using pin before paving coiled material, if thickness it is not up to standard or Person locally needs to strengthen, then takes some coating with trowel, is filled in a manner of applying scrape by hand, spraying application is preferably segmented or area Complete, 500-1000m2Constructed for a region;
Step 3: after spraying, waterproof roll is covered in time, avoids dust excessive in scene from being bonded in coating top layer and reduce painting The caking property of material and separation layer or waterproof roll, people's walking can be gone up after the complete separation layer of paving or waterproof roll.
A kind of uncured rubber asphalt waterproof coating of root-resistant puncturing of the invention has the beneficial effect that:
1st, there is random seal, absorb the characteristic of stress, basic unit's deformation crack can be filled up, will not frustrating and expand because of basic unit And waterproof layer is damaged, building structure is remained intact airtight waterproof state.
2nd, low is required to Base Smoothness, is not required to brushing base treatment agent, can be effectively in moist and submerged structure structure Middle application.
3rd, croop property is good, self-healing ability is strong, touches and glues, is difficult to peel off, even if there is sleeve pipe to penetrate, can still form stabilization Waterproof layer, within the whole service life of waterproof layer all have viscosity and self-healing ability, when waterproof layer by external force act on quilt When poking, breakdown point will not expand, and channeling water phenomenon will not also occur for waterproof layer bottom, and because the creep of the coating acts on energy Gradually breakdown point is repaired, substantially increases the reliability of waterproof layer.
4th, convenient and quick construction.Knife coating construction can be used to be constructed with spraying process, film forming, is not required to conserve, without taking immediately Processing is connect, does not influence subsequent handling, during with coiled material composite water-proof, coiled material directly can be laid on the Project Product surface layer, without Heating, cold construction operation.
5th, heat resistance is high, and 70~80 DEG C of slidings that will not trickle are consistent with the heat resistance of self-adhesive coiled material.Creep properties is good and heat-resisting Degree is again high, and this is its another distinguishing feature.
6th, it good affinity, can be combined with any material, form viscosity and stabilization waterproof coating;Good cold-resistant Property, it can be constructed under -10 DEG C of low temperature;Easy maintenance management after construction;Without solvent, belong to environment-friendly material.
(4) illustrate
Invention is further described below in conjunction with the accompanying drawings.
Fig. 1 is the testing result figure of the present invention;
(Five)Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and Examples, to this hair It is bright to be further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to It is of the invention in limiting.
The present invention is achieved in that a kind of uncured rubber asphalt waterproof coating each component of root-resistant puncturing and its mass ratio For:Pitch 10%-15%, shoddy 5%-15%, softening agent 24%-45%, high molecular polymer 5%-10%, specialist additive 4%- 10%th, root-resistant puncturing agent 0.05%-1%, filler 20%-30%.
Further, described pitch is selected from the one kind or its mixture handed in 90# pitches, 10# pitches again.
Further, described shoddy is the tire tread rubber powder of 60-80 mesh.
Further, described softening agent is naphthenic oil, aromatic naphtha, subtracts one kind or its several mixture in third fractional oil.
Further, described high molecular polymer be SBS, SBR, SIS, SEBS, APP, APAO, POE in one kind or its Several mixtures.
Further, described specialist additive is polyamide hot, one kind in modified polyamide or its mixture.
Further, described root-resistant puncturing agent is the PREVENTOL B2 root-resistant puncturing agent of German Lang Sheng chemical companies.
The blending solubilizer effect of polymer is played in root-resistant puncturing agent, forms IPN;Complementary networks polymerize Thing can more form the mixing of higher degree than simple mixing;Simple description is exactly that a polymer molecule is in melt stage meeting Around the molecule of another polymer, once cooling, is just fixed.
Further, described filler is 400 mesh coarse whitings or 400 mesh talcum powder.
A kind of preparing process of the uncured rubber asphalt waterproof coating of root-resistant puncturing is as follows:
Step 1:Pitch is heated to 140 DEG C and squeezes into agitator tank;
Step 2:Softening agent, rubber powder, high molecular polymer are added, is stirred 30 minutes, temperature is raised to 160 DEG C;
Step 3:Both sides are ground into colloid mill, temperature is raised to 190 DEG C, adds specialist additive, stirs 1 hour;
Step 4:Root-resistant puncturing agent is added when being cooled to 160~170 DEG C, is stirred 1 hour, filler is added and stirs 1 hour;
Step 5:Discharging.
A kind of construction method of the uncured rubber asphalt waterproof coating of root-resistant puncturing is as follows:
Special-shaped position:The detail sections such as the corner at negative and positive angle, plane and facade are first brushed, and thickness is advisable with 2mm, and will Coiled material cuts into respective shapes and enclosed, and full-scale construction is carried out after extra play is finished, it is ensured that Bulk coat is consistent thickness;
Large area spraying application:
Step 1: after basal plane cleans out, heating batch can is opened, material is poured into batch can heated in advance, treat that coating is whole When temperature reaches 150 DEG C of sprayable state, uniformly sprayed with special coating machine, can be thick according to different designs during spraying Degree exchanges different spray guns, waterproof layer one-shot forming, thickness 2mm;
Step 2: after having sprayed certain area, method detection coating layer thickness is surveyed using pin before paving coiled material, if thickness it is not up to standard or Person locally needs to strengthen, then takes some coating with trowel, is filled in a manner of applying scrape by hand, spraying application is preferably segmented or area Complete, 500-1000m2 is that a region is constructed;
Step 3: after spraying, waterproof roll is covered in time, avoids dust excessive in scene from being bonded in coating top layer and reduce painting The caking property of material and separation layer or waterproof roll, people's walking can be gone up after the complete separation layer of paving or waterproof roll.
Uncured rubber asphalt waterproof coating in the embodiment of the present invention is given birth to by Jiangsu Jin Ming waterproof building materials Co., Ltd Production, is detected by national building materials industrial building waterproof material product quality supervision inspection center, and testing result is as shown in Figure 1.
The present invention is not limited to the above-described embodiments, anyone should learn the present invention enlightenment under make with the present invention With same or like technical scheme, each fall within protection scope of the present invention.
The present invention be not described in detail technology, shape, construction part be known technology.

Claims (10)

  1. A kind of 1. uncured rubber asphalt waterproof coating of root-resistant puncturing, it is characterised in that described uncured rubber-asphalt waterproof Coating each component and its mass ratio are:Pitch 10%-15%, shoddy 5%-15%, softening agent 24%-45%, high molecular polymer 5%- 10%th, specialist additive 4%-10%, root-resistant puncturing agent 0.05%-1%, filler 20%-30%.
  2. A kind of 2. uncured rubber asphalt waterproof coating of root-resistant puncturing, it is characterised in that:Described uncured rubber-asphalt waterproof The preparing process of coating is as follows:
    Step 1: pitch is heated into 140 DEG C squeezes into agitator tank;
    Step 2: adding softening agent, rubber powder, high molecular polymer, stir 30 minutes, temperature is raised to 160 DEG C;
    Step 3: grinding both sides into colloid mill, temperature is raised to 190 DEG C, adds specialist additive, stirs 1 hour;
    Step 4: adding the PREVENTOL B2 root-resistant puncturing agent of German Lang Sheng chemical companies when being cooled to 160~170 DEG C, stir Mix 1 hour, add filler and stir 1 hour;
    Step 5: discharging.
  3. A kind of 3. uncured rubber asphalt waterproof coating of root-resistant puncturing, it is characterised in that described uncured rubber-asphalt waterproof The construction method of coating is as follows:
    Special-shaped position:The corner detail section at negative and positive angle, plane and facade is first brushed, and thickness is advisable with 2mm, and will volume Material cuts into respective shapes and enclosed, and full-scale construction is carried out after extra play is finished, it is ensured that Bulk coat is consistent thickness;
    Large area spraying application:
    Step 1: after basal plane cleans out, heating batch can is opened, material is poured into batch can heated in advance, treat that coating is whole When temperature reaches 150 DEG C of sprayable state, uniformly sprayed with special coating machine, can be thick according to different designs during spraying Degree exchanges different spray guns, waterproof layer one-shot forming, thickness 2mm;
    Step 2: after having sprayed certain area, method detection coating layer thickness is surveyed using pin before paving coiled material, if thickness it is not up to standard or Person locally needs to strengthen, then takes some coating with trowel, is filled in a manner of applying scrape by hand, spraying application is preferably segmented or area Complete, 500-1000m2Constructed for a region;
    Step 3: after spraying, waterproof roll is covered in time, avoids dust excessive in scene from being bonded in coating top layer and reduce painting The caking property of material and separation layer or waterproof roll, people's walking can be gone up after the complete separation layer of paving or waterproof roll.
  4. 4. uncured rubber asphalt waterproof coating as claimed in claim 1, it is characterised in that described pitch is selected from handing over again 90# pitches, one kind in 10# pitches or its mixture.
  5. 5. uncured rubber asphalt waterproof coating as claimed in claim 1, it is characterised in that described shoddy is 60-80 Purpose tire tread rubber powder.
  6. 6. uncured rubber asphalt waterproof coating as claimed in claim 1, it is characterised in that described softening agent is cycloalkanes Oil, aromatic naphtha, subtract one kind or its several mixture in third fractional oil.
  7. 7. uncured rubber asphalt waterproof coating as claimed in claim 1, it is characterised in that described high molecular polymer is One kind or its several mixture in SBS, SBR, SIS, SEBS, APP, APAO, POE.
  8. 8. uncured rubber asphalt waterproof coating as claimed in claim 1, it is characterised in that described specialist additive is poly- One kind or its mixture in acid amides PUR, modified polyamide.
  9. 9. uncured rubber asphalt waterproof coating as claimed in claim 1, it is characterised in that described root-resistant puncturing agent is moral The PREVENTOL B2 root-resistant puncturing agent of Guo Langsheng chemical companies.
  10. 10. uncured rubber asphalt waterproof coating as claimed in claim 1, it is characterised in that described filler is 400 mesh weights Calcium or 400 mesh talcum powder.
CN201710512536.5A 2017-06-29 2017-06-29 A kind of uncured rubber asphalt waterproof coating of root-resistant puncturing Pending CN107353823A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107964366A (en) * 2017-12-30 2018-04-27 天津卓宝科技有限公司 Uncured rubber asphalt waterproof coating
CN108250962A (en) * 2018-01-17 2018-07-06 河南蓝翎环科防水材料有限公司 Uncured root resistant waterproof roll and its production technology
CN112391060A (en) * 2020-11-13 2021-02-23 唐山凯伦新材料科技有限公司 Environment-friendly base layer treating agent and preparation method thereof
CN114933857A (en) * 2022-04-11 2022-08-23 青岛东方雨虹建筑材料有限公司 Root puncture-resistant water-based rubber asphalt waterproof coating and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104119799A (en) * 2014-07-14 2014-10-29 江苏津铭防水建材有限公司 Non-cured rubber asphalt waterproof paint
CN105542662A (en) * 2016-01-18 2016-05-04 北京远大洪雨防水材料有限责任公司 Non-curable root puncture-resistant waterproof coating and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104119799A (en) * 2014-07-14 2014-10-29 江苏津铭防水建材有限公司 Non-cured rubber asphalt waterproof paint
CN105542662A (en) * 2016-01-18 2016-05-04 北京远大洪雨防水材料有限责任公司 Non-curable root puncture-resistant waterproof coating and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107964366A (en) * 2017-12-30 2018-04-27 天津卓宝科技有限公司 Uncured rubber asphalt waterproof coating
CN108250962A (en) * 2018-01-17 2018-07-06 河南蓝翎环科防水材料有限公司 Uncured root resistant waterproof roll and its production technology
CN112391060A (en) * 2020-11-13 2021-02-23 唐山凯伦新材料科技有限公司 Environment-friendly base layer treating agent and preparation method thereof
CN114933857A (en) * 2022-04-11 2022-08-23 青岛东方雨虹建筑材料有限公司 Root puncture-resistant water-based rubber asphalt waterproof coating and preparation method thereof

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