CN113621305A - Environment-friendly high-viscosity polymer non-curing waterproof coating, polymer waterproof coiled material composite waterproof system and construction method thereof - Google Patents
Environment-friendly high-viscosity polymer non-curing waterproof coating, polymer waterproof coiled material composite waterproof system and construction method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4829—Polyethers containing at least three hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/665—Sheets or foils impervious to water and water vapor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
Abstract
The invention relates to an environment-friendly high-viscosity high-polymer non-curing waterproof coating, a high-polymer waterproof coiled material composite waterproof system and a construction method thereof. The environment-friendly high-viscosity high-molecular non-cured waterproof coating disclosed by the invention has the advantages of good waterproof effect, aging resistance and anti-sagging performance, excellent compatibility between the waterproof coating and a high-molecular waterproof coiled material, and good combination, and the phenomena of yellowing and aging of the high-molecular coiled material caused by common asphalt non-cured volatile matters in the industry are overcome.
Description
Technical Field
The invention relates to the technical field of building waterproofing, in particular to an environment-friendly high-viscosity polymer non-curing waterproof coating, a polymer waterproof coiled material composite waterproof system and a construction method thereof.
Background
The side wall often has concrete pouring defects such as not being compacted by vibration, cellular pitted surface and the like in the building process, so that the waterproof construction is difficult, and the waterproof effect is influenced.
Its waterproofing membrane to planting the roof needs to have resistant root system puncture function, generally adopts two kinds of modes: one is "chemical root resistance" which prevents the penetration of the root system by adding a root-resistant agent to the material, and the other is "physical root resistance" which prevents the penetration of the root system through the coiled material by the mechanical strength and hardness of the material itself. At present, the root-resisting agent independently researched and developed in China is few, most of the root-resisting agents in the market are imported abroad, the cost is high, the field detection is difficult, and consumers can not know whether effective components are really added in the purchased waterproof coiled material or whether the dosage reaches the standard; meanwhile, the root-resisting agent can be damaged by heating in the construction process and high-temperature stirring in the production process, and the excessive or insufficient dosage of the root-resisting agent can also have adverse effects on the root-resisting performance of the material.
The adhesive peeling strength of the side wall and the coiled material in the side wall waterproofing construction industry is generally low, so that the common problem that the side wall of the project is waterproof, falls off and slides is caused. For the construction of a bottom plate waterproof system, the bottom plate of the conventional coiled material is bonded with a cushion layer and is not bonded with a structural layer during the construction, so that the water channeling prevention can not be really realized.
Disclosure of Invention
The invention provides an environment-friendly high-viscosity high-polymer non-curing waterproof coating, a high-polymer waterproof coiled material composite waterproof system and a construction method thereof. The environment-friendly high-viscosity high-molecular non-cured waterproof coating disclosed by the invention has the advantages of good waterproof effect, aging resistance and anti-sagging performance, excellent compatibility between the waterproof coating and a high-molecular waterproof coiled material, and good combination, and the phenomena of yellowing and aging of the high-molecular coiled material caused by common asphalt non-cured volatile matters in the industry are overcome.
The invention is realized by the following technical scheme:
an environment-friendly high-viscosity high-molecular non-curing waterproof coating comprises a component A and a component B,
the component A is prepared from the following substances in parts by mass:
the component B is prepared from the following substances in parts by mass:
1, 4-butanediol 90-95
3 functionality polyether 4-9
0.5-1 of catalyst.
A preparation method of an environment-friendly high-viscosity polymer non-curing waterproof coating,
the preparation method of the component A comprises the following steps:
adding 2-functionality-degree polyether polyol, a dispersing agent, a plasticizer and kaolin into a reaction container, then reacting at the temperature of 115-125 ℃ and carrying out vacuum dehydration for 1.5-2.5h, then cooling to 60-80 ℃, adding isocyanate, reacting at constant temperature for 2-3h, then adding polyamide wax and a defoaming agent at the temperature of 50-65 ℃ and carrying out constant temperature reaction for 25-35 min to obtain a component A;
the preparation method of the component B comprises the following steps:
mixing and stirring 1, 4-butanediol and polyether with functionality degree of 3 for 20-40 minutes at normal temperature, adding a catalyst, and continuously stirring for 5-15 minutes to obtain the catalyst.
Further, during preparation, the component A and the component B are mixed according to the mass ratio of 30-40: 1, uniformly mixing and stirring to obtain the environment-friendly high-viscosity high-polymer non-cured waterproof coating.
A macromolecule waterproof coiled material composite waterproof system comprises a waterproof coating layer which is scraped on a base surface and a waterproof coiled material layer which is immediately pasted on the waterproof coating layer; the waterproof coating layer is the environment-friendly high-viscosity polymer non-curing waterproof coating of claim 1; the waterproof roll layer is a thermoplastic polyolefin waterproof roll or a high-density polyethylene self-adhesive film waterproof roll.
A construction method of a high-molecular waterproof coiled material composite waterproof system comprises the following steps:
a, cleaning a base surface;
step b, snapping lines on the base surface and determining the position for laying the waterproof roll;
c, trial paving of the waterproof coiled material to determine the paving direction and size of the waterproof coiled material;
d, coating the environment-friendly high-viscosity polymer non-cured waterproof coating on the position of the waterproof coiled material in a scraping manner;
e, after the environment-friendly high-viscosity polymer non-cured waterproof coating is scraped, immediately paving waterproof rolls, and enabling adjacent edges of the adjacent waterproof rolls to be mutually lapped in the paving process;
f, welding the overlapping edge of the waterproof coiled material by hot air;
and g, closing up.
B, snapping lines and determining the position for laying the waterproof coiled material, wherein an initial overlapping control line of the waterproof coiled material is arranged at a position which is 300-600mm away from the intersection line of two adjacent planes, and the snapping lines are sequentially outwards parallel from the overlapping control line;
and c, positioning and cutting the coiled materials according to the elastic line position and the initial lapping control line, wherein the long edges of two adjacent waterproof coiled materials are arranged in parallel during lapping, and the short edges of two adjacent waterproof coiled materials are not on the same straight line.
And e, after the waterproof coiled material is compositely paved, compacting and exhausting the coiled material.
And f, when the convex part exists on the base surface, arranging part of the waterproof coiled material into a sleeving part matched with the shape and size of the convex part and a connecting part arranged on the peripheral edge of the lower part of the sleeving part and parallel to the base surface, sleeving the sleeving part on the convex part, and welding the connecting part and the waterproof coiled material on the base surface by hot air.
And a, when the base surface is cleaned in the step a, cement mortar is used for making a straight circular arc surface at the joint of the base surface and the protruding structure and the joint of the two planes.
The high-molecular waterproof coiled material is a thermoplastic polyolefin waterproof coiled material or a high-density polyethylene self-adhesive film waterproof coiled material.
The environment-friendly high-viscosity polymer non-cured waterproof coating has the following advantages:
1. excellent waterproof performance, firm adhesion with the base surface and capability of forming a reliable waterproof layer.
2. The waterproof roll has excellent aging resistance, excellent mildew resistance, hydrolysis resistance and acid and alkali resistance, and can have the same service life as a high-polymer waterproof roll.
3. The material has the anti-sagging performance, and does not flow on the vertical surface on the premise of ensuring smooth construction of the material. The surface can be pasted and hung with coiled materials with certain thickness without falling.
4. The material is green and environment-friendly, does not contain organic volatile substances and free TDI, and is harmless to human bodies and the environment.
5. The construction is simple, the spraying or blade coating construction can be selected, and the operation is simple.
6. The high-molecular non-cured waterproof coating has excellent compatibility with a high-molecular waterproof coiled material, overcomes the phenomena of yellowing and aging of the high-molecular coiled material caused by common asphalt non-cured volatile matters in the industry, and can realize good bonding with the coiled material and a base surface when the high-molecular non-cured coating is not cured.
The waterproof materials adopted by the invention are all environment-friendly waterproof materials, and the environmental protection index is higher than the current national standard specification. The high-molecular non-cured waterproof coating can be applied to spraying or blade coating construction, has low requirements on a base surface, and can play a role in repairing and leveling the defects of cracks, pitted surfaces, unevenness and the like of the base surface, and meanwhile, the coating has a permeable crystallization function and can self-repair cracks below 0.4 mm. The wet paving method is adopted, the time for waiting for drying the coating is saved, the construction period is greatly shortened, the construction can be carried out particularly in rainy season, and the construction progress is not influenced. When wet paving construction is carried out on the bottom plate, the side wall, the planting top plate and the roof, a sufficient, complete and molecular-level interlocking structure is formed between the liquid flow coating and the glue layer of the high-molecular self-adhesive coiled material, and an abnormal strong occluded adhesion is generated to form a skin type full adhesion, so that pressure water can be effectively prevented from flowing between the coiled material and the main structure concrete, and the water flowing condition is prevented from being generated. During construction, at a convex part (comprising a male and female corner, a pile head, an anchor rod, a wall penetrating pipe and the like), part of the waterproof coiled material is arranged into a sleeve joint part matched with the shape and the size of the convex part and a connecting part arranged on the peripheral edge of the lower part of the sleeve joint part and parallel to a base surface, then the sleeve joint part is sleeved on the convex part, and the connecting part is welded with the waterproof coiled material on the base surface in a hot air mode. The labor cost can be greatly saved, the material loss caused by field cutting is reduced, and the welding and overlapping strength of the prefabricated part and the coiled material body is high and is more than three times that of gluing and coating. The invention relates to a waterproof structure for underground waterproof engineering, which is characterized in that the difficulty in underground waterproof engineering is the waterproofing of through joints such as construction joints, expansion joints and the like, in particular to waterproof engineering at joints of a top plate and side walls and between the side walls and a bottom plate.
Meanwhile, the peeling strength of the coating and the coiled material is high, when the coating and the coiled material are applied to the side wall, the coating and the coiled material can form an interlocking full-bonding structure, and the common problem of water-proof falling and sliding of the side wall in the industry can be eliminated. When the water-based anti-mildew agent is applied to planting roofs and roofs, the anti-mildew, anti-corrosion and root-resistant performances are more durable and stable.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
An environment-friendly high-viscosity high-molecular non-curing waterproof coating comprises a component A and a component B,
the component A is prepared from the following substances in parts by mass:
the component B is prepared from the following substances in parts by mass:
1, 4-butanediol 90
3-functional polyethers 4
Catalyst 1.
A preparation method of an environment-friendly high-viscosity polymer non-curing waterproof coating,
the preparation method of the component A comprises the following steps:
adding 2-functionality-degree polyether polyol, a dispersing agent, a plasticizer and kaolin into a reaction container, then reacting at 120 ℃ and carrying out vacuum dehydration for 2h, then cooling to 70 ℃, adding isocyanate, reacting at constant temperature for 2.5h, then adding polyamide wax and a defoaming agent at 60 ℃ and carrying out constant temperature reaction for 30 min to obtain a component A;
the preparation method of the component B comprises the following steps:
mixing and stirring 1, 4-butanediol and polyether with functionality degree of 3 for 30 minutes at normal temperature, adding a catalyst, and continuously stirring for 10 minutes to obtain the catalyst.
During preparation, the component A and the component B are mixed according to the mass ratio of 35: 1, uniformly mixing and stirring to obtain the environment-friendly high-viscosity high-polymer non-cured waterproof coating.
Example 2
An environment-friendly high-viscosity high-molecular non-curing waterproof coating comprises a component A and a component B,
the component A is prepared from the following substances in parts by mass:
the component B is prepared from the following substances in parts by mass:
1, 4-butanediol 95
3-functional polyethers 9
Catalyst 1.
A preparation method of an environment-friendly high-viscosity polymer non-curing waterproof coating,
the preparation method of the component A comprises the following steps:
adding 2-functionality-degree polyether polyol, a dispersing agent, a plasticizer and kaolin into a reaction container, then reacting at the temperature of 115 ℃ and carrying out vacuum dehydration for 2.5h, then cooling to 60 ℃, adding isocyanate, reacting at constant temperature for 3h, then adding polyamide wax and a defoaming agent at the temperature of 50 ℃ and reacting at constant temperature for 35 min to obtain the component A;
the preparation method of the component B comprises the following steps:
mixing and stirring 1, 4-butanediol and polyether with functionality degree of 3 for 20 minutes at normal temperature, adding a catalyst, and continuously stirring for 15 minutes to obtain the catalyst.
During preparation, the component A and the component B are mixed according to the mass ratio of 30: 1, uniformly mixing and stirring to obtain the environment-friendly high-viscosity high-polymer non-cured waterproof coating.
Example 3
An environment-friendly high-viscosity high-molecular non-curing waterproof coating comprises a component A and a component B,
the component A is prepared from the following substances in parts by mass:
the component B is prepared from the following substances in parts by mass:
1, 4-butanediol 92
3-functional polyethers 5
Catalyst 0.6.
A preparation method of an environment-friendly high-viscosity polymer non-curing waterproof coating,
the preparation method of the component A comprises the following steps:
adding 2-functionality-degree polyether polyol, a dispersing agent, a plasticizer and kaolin into a reaction container, then reacting at 125 ℃ and carrying out vacuum dehydration for 1.5h, then cooling to 80 ℃, adding isocyanate, reacting at constant temperature for 2h, then adding polyamide wax and a defoaming agent at 65 ℃ and reacting at constant temperature for 25 min to obtain the component A;
the preparation method of the component B comprises the following steps:
mixing and stirring 1, 4-butanediol and polyether with functionality degree of 3 for 40 minutes at normal temperature, adding a catalyst, and continuously stirring for 15 minutes to obtain the catalyst.
During preparation, the component A and the component B are mixed according to the mass ratio of 40: 1, uniformly mixing and stirring to obtain the environment-friendly high-viscosity high-polymer non-cured waterproof coating.
Example 4
The construction method of the high-molecular waterproof coiled material composite waterproof system comprises the following steps:
step a, cleaning a base surface,
step b, snapping a line and determining the position for laying the waterproof roll,
c, trial paving of the waterproof coiled material to determine the paving direction and the paving size of the waterproof coiled material,
d, blade-coating the environment-friendly high-viscosity polymer non-cured waterproof coating on the position of the waterproof coiled material (the waterproof coating adopts the waterproof coating in the embodiment 1)
E, spreading and pasting a waterproof coiled material on the environment-friendly high-viscosity polymer non-cured waterproof coating in a compounding way,
f, welding the overlapping edge of the waterproof coiled material by hot air,
and g, closing up.
Preferably, when snapping and determining the position for laying the waterproofing membrane in step b, if the position for laying the waterproofing membrane is multiple intersecting surfaces, the overlapping control line of the waterproofing membrane should be arranged at a position 300 and 600mm away from the intersecting line of the intersecting surfaces, and snapping lines are parallel outwards in sequence from the overlapping control line.
Preferably, in the step c, the coil materials are positioned and cut according to the position of the snapping line or the lap joint control line, the lap joints are carried out according to the staggered joint of the short edges, and the distance between the short edges of two adjacent coil materials is more than or equal to the length of the long edge 1/3.
Preferably, after the waterproof roll is compositely paved in the step e, the roll needs to be compacted and exhausted.
Preferably, in the step f, when the positions of the internal corner, the external corner, the pile head, the anchor rod and the wall penetrating pipe exist, the waterproof coiled material is arranged into a detail prefabricated part matched with the shapes and the sizes of the internal corner, the external corner, the pile head, the anchor rod and the wall penetrating pipe, and then the waterproof coiled material is thermally welded with the coiled material.
Preferably, when the base surface is cleaned in the step a, cement mortar is used for making a straight circular arc surface at the joint of the base surface and the protruding structure and the joint of the two planes.
Furthermore, the polymer waterproof coiled material is a thermoplastic polyolefin waterproof coiled material. (also can be a high-density polyethylene self-adhesive film waterproof roll)
Reinforcing the parts which are easy to leak, the internal and external corners and the like by adopting a cloth-two-coating method, wherein the lapping width of the long edge of the polyester mesh cloth is not less than 50mm, and the lapping width of the short edge of the polyester mesh cloth is not less than 70 mm; the lap seams of the short sides should be staggered from each other, and four layers of crisscross lap joints are not allowed to occur.
The requirements of the construction base surface are as follows:
(1) the base surface should be solid and clean, and should not have the phenomena of hollowing, loosening, sanding, cracking, unevenness and the like, otherwise, corresponding repairing measures should be taken.
(2) The water should be kept in a moist and clear state, and the dry base surface should be moistened by sprinkling water.
(3) The joint of the base surface and the protruding structure and the joint of the plane and the vertical surface are made into a straight circular arc by adopting 1:3 cement mortar, the radius R of the circular arc of the internal corner is more than or equal to 50mm, and the radius R of the circular arc of the external corner is more than or equal to 10 mm.
When the side wall is constructed, in order to avoid the unconventional on-site backfill process and prevent the coiled material from falling, the system is more reliable, the short edges of the coiled material can be nailed and fixed by U-shaped pressing strips at intervals of 2.5 meters in the vertical direction, and the smooth surface welding strips are used for covering and welding seams, so that the hidden danger of falling of the coiled material is directly eliminated.
The above embodiment is preferred:
the polyether glycol with the functionality of 2 is Wanhua chemical WANOL-C2020;
the dispersant is Guangzhou Yougu chemical YRRRC-03 dispersant;
the plasticizer is chlorinated paraffin;
the kaolin is the commercial 1250-mesh calcined kaolin;
isocyanate is Vanhua chemical group Ltd
Toluene diisocyanate; the defoaming agent is a YRXP-06 defoaming agent of Guangzhou Yoghun synthesis limited company;
the polyamide wax is PA880 from Zhejiang Huate New Material Co., Ltd;
the 1, 4-butanediol is 1, 4-butanediol of Dongyuan scientific and technological company of inner Mongolia;
the 3-functional polyether is WANOL F3135, Wawawa chemical group, Inc.;
the catalyst is dibutyltin dilaurate DY-12 manufactured by Shanghai Desheng chemical Co.
The waterproof coating materials of the examples 1 to 3 are coated on a cement base surface, a thermoplastic polyolefin waterproof coiled material is pasted after uniform coating, and a rectangular test piece with the width of 50mm is cut after curing for 168 hours. Then, a tensile test was carried out by a hand-held tensile machine at an angle of 180 ℃ to the adhesive surface and at a speed of about 200 mm/min, and a peel strength value was calculated. The waterproof coatings of examples 1 to 3 were applied to a cement base surface, and after standard curing for 168 hours, the cement base surface was placed at 65 ℃ for 2 hours, and then the cement base surface was taken out, and the presence or absence of slip, flow, and dripping of the test piece was recorded, thereby obtaining the heat resistance.
And (4) conclusion: the basic performance of the non-cured waterproof coating developed by the invention meets the requirement, the non-cured waterproof coating is better compounded with a high polymer coiled material, and the composite waterproof system can eliminate the common problem of side wall water resistance, falling and slipping in the industry.
Although the foregoing describes a specific embodiment of the present invention, rather than limiting the scope of the present invention, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention.
Claims (10)
1. An environment-friendly high-viscosity polymer non-curing waterproof coating is characterized by comprising a component A and a component B,
the component A is prepared from the following substances in parts by mass:
the component B is prepared from the following substances in parts by mass:
1, 4-butanediol 90-95
3 functionality polyether 4-9
0.5-1 of catalyst.
2. A preparation method for preparing the environment-friendly high-viscosity polymer non-cured waterproof coating material as claimed in claim 1, which is characterized by comprising the following steps:
the preparation method of the component A comprises the following steps:
adding 2-functionality-degree polyether polyol, a dispersing agent, a plasticizer and kaolin into a reaction container, then reacting at the temperature of 115-125 ℃ and carrying out vacuum dehydration for 1.5-2.5h, then cooling to 60-80 ℃, adding isocyanate, reacting at constant temperature for 2-3h, then adding polyamide wax and a defoaming agent at the temperature of 50-65 ℃ and carrying out constant temperature reaction for 25-35 min to obtain a component A;
the preparation method of the component B comprises the following steps:
mixing and stirring 1, 4-butanediol and polyether with functionality degree of 3 for 20-40 minutes at normal temperature, adding a catalyst, and continuously stirring for 5-15 minutes to obtain the catalyst.
3. The method for preparing the environmentally-friendly high-viscosity polymer non-curable waterproof coating material according to claim 1, wherein the method comprises the following steps: during preparation, the component A and the component B are mixed according to the mass ratio of 30-40: 1, uniformly mixing and stirring to obtain the environment-friendly high-viscosity high-polymer non-cured waterproof coating.
4. A macromolecule waterproof coiled material composite waterproof system is characterized by comprising a waterproof coating layer coated on a base surface in a scraping manner and a waterproof coiled material layer immediately pasted on the waterproof coating layer coated in the scraping manner; the waterproof coating layer is the environment-friendly high-viscosity polymer non-curing waterproof coating of claim 1; the waterproof roll layer is a thermoplastic polyolefin waterproof roll or a high-density polyethylene self-adhesive film waterproof roll.
5. The construction method of the polymer waterproof coiled material composite waterproof system as claimed in claim 4, characterized by comprising the following steps:
a, cleaning a base surface;
step b, snapping lines on the base surface and determining the position for laying the waterproof roll;
c, trial paving of the waterproof coiled material to determine the paving direction and size of the waterproof coiled material;
d, coating the environment-friendly high-viscosity polymer non-cured waterproof coating layer on the position of the waterproof roll in a scraping way;
e, after the environment-friendly high-viscosity polymer non-cured waterproof coating is scraped, immediately paving waterproof rolls, and enabling adjacent edges of the adjacent waterproof rolls to be mutually lapped in the paving process;
f, welding the overlapping edge of the waterproof coiled material by hot air;
and g, closing up.
6. The construction method of the polymer waterproof coiled material composite waterproof system according to claim 5, characterized in that: b, snapping lines and determining the position for laying the waterproof coiled material, wherein an initial overlapping control line of the waterproof coiled material is arranged at a position which is 300-600mm away from the intersection line of two adjacent planes, and the snapping lines are sequentially outwards parallel from the overlapping control line;
and c, positioning and cutting the coiled materials according to the elastic line position and the initial lapping control line, wherein the long edges of two adjacent waterproof coiled materials are arranged in parallel during lapping, and the short edges of two adjacent waterproof coiled materials are not on the same straight line.
7. The construction method of the polymer waterproof coiled material composite waterproof system according to claim 5, characterized in that: and e, after the waterproof coiled material is compositely paved, compacting and exhausting the coiled material.
8. The construction method of the polymer waterproof coiled material composite waterproof system according to claim 5, characterized in that: and f, when the convex part exists on the base surface, arranging part of the waterproof coiled material into a sleeving part matched with the shape and size of the convex part and a connecting part arranged on the peripheral edge of the lower part of the sleeving part and parallel to the base surface, sleeving the sleeving part on the convex part, and welding the connecting part and the waterproof coiled material on the base surface by hot air.
9. The construction method of the polymer waterproof coiled material composite waterproof system according to claim 5, characterized in that: and a, when the base surface is cleaned in the step a, cement mortar is used for making a straight circular arc surface at the joint of the base surface and the protruding structure and the joint of the two planes.
10. The construction method of the polymer waterproof coiled material composite waterproof system according to claim 5, characterized in that: the high-molecular waterproof coiled material is a thermoplastic polyolefin waterproof coiled material or a high-density polyethylene self-adhesive film waterproof coiled material.
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| CN113931389A (en) * | 2021-11-23 | 2022-01-14 | 中建八局第二建设有限公司 | Construction method of large-area exposed TPO waterproof coiled material |
| CN114369409A (en) * | 2021-12-14 | 2022-04-19 | 福建省三棵树新材料有限公司 | Non-curing polyurethane waterproof coating easy to construct |
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| CN112709380A (en) * | 2020-12-25 | 2021-04-27 | 宏源防水科技集团有限公司 | Construction method and application of coated and rolled composite waterproof system |
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| CN110003795A (en) * | 2019-03-04 | 2019-07-12 | 大禹九鼎新材料科技有限公司 | One kind exempting from the uncured water-repellent paint of heated asphalt base and its preparation and construction method |
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