CN114161805A - Preparation method of polymer waterproof type cement-based cloth composite hard polyurethane insulation board - Google Patents

Preparation method of polymer waterproof type cement-based cloth composite hard polyurethane insulation board Download PDF

Info

Publication number
CN114161805A
CN114161805A CN202111484692.8A CN202111484692A CN114161805A CN 114161805 A CN114161805 A CN 114161805A CN 202111484692 A CN202111484692 A CN 202111484692A CN 114161805 A CN114161805 A CN 114161805A
Authority
CN
China
Prior art keywords
cement
polymer waterproof
polymer
insulation board
polyurethane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111484692.8A
Other languages
Chinese (zh)
Inventor
白鸿国
李铁钟
高树峰
张弛
吴强
刘立明
易志伟
赵邦灏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Zhuyongjianjian Building Materials Technology Co ltd
China Railway Design Corp
Original Assignee
Hubei Zhuyongjianjian Building Materials Technology Co ltd
China Railway Design Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei Zhuyongjianjian Building Materials Technology Co ltd, China Railway Design Corp filed Critical Hubei Zhuyongjianjian Building Materials Technology Co ltd
Priority to CN202111484692.8A priority Critical patent/CN114161805A/en
Publication of CN114161805A publication Critical patent/CN114161805A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • C08J9/365—Coating
    • 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
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C09D1/06—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement
    • C09D1/08—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement with organic additives
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B32B2037/243—Coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/0076—Curing, vulcanising, cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/0084—Foaming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7246—Water vapor barrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/73—Hydrophobic
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/0037—Materials containing oriented fillers or elements
    • C04B2111/00379—Materials containing oriented fillers or elements the oriented elements being fibres
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C08J2375/08—Polyurethanes from polyethers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mining & Mineral Resources (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Aftertreatments Of Artificial And Natural Stones (AREA)

Abstract

The invention relates to the technical field of tunnel heat preservation in cold regions, and discloses a preparation method of a polymer waterproof type cement-based cloth composite rigid polyurethane heat preservation plate, wherein polymer waterproof type cement slurry is coated on the surface of alkali-free glass fiber mesh cloth; and then pouring polyurethane black and white materials between the two layers of waterproof cement-based cloth, foaming and curing to obtain the polymer waterproof cement-based cloth composite rigid polyurethane insulation board, wherein the polymer waterproof cement paste is prepared by adding certain water, acrylic polymer, silane impregnant and permeable crystallization waterproof coating in the cement mixing process and mixing. The preparation method of the polymer waterproof type cement-based cloth composite rigid polyurethane insulation board is simple in production flow operation, has the effects of fire prevention, flame retardance, water prevention, seepage prevention and protection of the surface layer of the polyurethane insulation board, obviously prolongs the service life of the polyurethane insulation board, and simplifies part of construction procedures of a tunnel insulation layer in a cold region by compounding waterproof measures on the insulation board.

Description

Preparation method of polymer waterproof type cement-based cloth composite hard polyurethane insulation board
Technical Field
The invention relates to the technical field of cold region tunnel heat insulation, in particular to a preparation method of a polymer waterproof type cement-based cloth composite rigid polyurethane heat insulation board.
Background
The tunnel construction in severe cold district needs to set up heat preservation and waterproof layer in order to prevent because of the various freeze injury that infiltration, ponding lead to between first support and two linings, for example the frost heaving can let the volume increase 9% of ponding give tunnel support huge pressure, changes the stress environment in tunnel, endangers the stability and the security in tunnel.
The existing heat preservation layer commonly used rigid polyurethane closed-cell foam heat preservation plate is easy to collide with and cause breakage and bruise in the process of getting on or off the vehicle or transporting and installing, the steam permeability of the heat preservation layer used as a heat preservation material is 3 percent, namely under the humid condition, the water absorption rate is 3 percent, when the heat preservation layer is used in a cold area, the frost heaving happens when the medium temperature is lower than 0 ℃, and the heat preservation structure can be irreversibly damaged after the frost heaving because the compression strength of the heat preservation layer is low, thereby influencing the heat preservation effect. If the cyclic frost heaving of the tunnel is carried out for several years, the heat insulation effect is damaged completely, so that the polymer waterproof type cement-based cloth composite hard polyurethane heat insulation plate for tunnel heat insulation waterproof construction is urgently needed to be provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a polymer waterproof type cement-based cloth composite hard polyurethane insulation board and a preparation method thereof, and solves the problems that the existing insulation board for the tunnel is easy to damage, loses the insulation effect due to water seepage and has short service life in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a preparation method of a polymer waterproof type cement-based cloth composite rigid polyurethane insulation board specifically comprises the following steps:
(1) uniformly coating polymer waterproof cement mortar on the surface of the alkali-free glass fiber mesh fabric, and drying and curing to obtain polymer waterproof cement base fabric;
(2) fixedly mounting the polymer waterproof type cement-based cloth prepared in the step (1) into the upper end and the lower end of a production line machine head respectively, drawing the cloth to an oven, reserving a heat-insulating layer placing space between the two layers, injecting polyurethane black and white materials between the two layers of polymer waterproof type cement-based cloth by a special casting machine, foaming, curing and molding to obtain a polyurethane heat-insulating plate, spraying polymer waterproof type cement mortar on four side surfaces of the polyurethane heat-insulating plate, drying and curing to form an independent waterproof type monomer-polymer waterproof type cement-based cloth composite hard polyurethane heat-insulating plate for each heat-insulating plate;
the polymer waterproof cement mortar is prepared by the following method:
uniformly mixing 3-8 parts by weight of cement-based permeable crystallization waterproof coating, 5-20 parts by weight of cement, 60-120 parts by weight of water, 1-10 parts by weight of acrylic polymer and 0.1-1 part by weight of silane impregnant.
Further, the cement is 425# Portland cement; the silane impregnant is isobutyl triethoxy silane impregnant; the acrylic polymer is polyacrylic acid.
Further, the polymer waterproof cement mortar is prepared by the following method:
4.7 parts by weight of cement-based permeable crystalline waterproof coating, 12 parts by weight of cement, 80 parts by weight of water, 3 parts by weight of acrylic polymer and 0.3 part by weight of silane impregnant are mixed in a polymer waterproof cement mortar pool for 10 minutes to obtain the polymer waterproof cement mortar.
Further, the polyurethane black and white material is obtained by uniformly mixing the polyurethane rigid foam combined polyether and the polymeric MDI according to the mass ratio of 1: 1.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
1. according to the invention, the polymer waterproof type cement-based cloth is used as the protective layer of the insulation board, so that the surface strength of the insulation board can be obviously increased, and the surface layer of the insulation board is prevented from being damaged by foreign matters; the insulation board is easy to collide in the processes of getting on or off the vehicle or transporting and installing the insulation board, so that the fracture and the bruise are caused, and the polymer waterproof type cement base cloth can be compounded to prevent the collision and the fracture; the polymer waterproof type cement base cloth is formed by compounding non-combustible material cement and alkali-free glass fiber mesh cloth, and after being compounded with the heat insulation plate, the polymer waterproof type cement base cloth can block a fire source from igniting flammable heat insulation combustion, and has fireproof and flame-retardant effects.
2. The cement-based permeable crystallization waterproof coating is an active substance with a molecular structure of active silicon, has small molecular weight, contains hydrophobic molecules, is soluble in water, can be subjected to condensation polymerization crystallization in a humid environment, can well fill defects and gaps in a cement base, has good impermeability, achieves a good waterproof effect, makes up the defect that a cement-based alkali-free glass fiber mesh fabric cannot be waterproof, and enables water vapor to not permeate into a polyurethane insulation board; after the film-forming agent is added into the polymer acrylic acid, a high-molecular waterproof coating is synthesized, has high freeze-thaw stability and high film-forming stability, and can play a good waterproof role and a good freeze-thaw resistance stabilizing role when being coated on the surface of a cement-based structure; the silane impregnation is a penetrating impregnant with excellent performance, has a small molecular structure, deeply penetrates the capillary hole wall of the concrete to react with hydrated cement to form a polysiloxane interpenetrating network structure, endows the microstructure on the surface of the concrete with long-term hydrophobicity through firm chemical bonding reaction, keeps the function of breathing and ventilation, greatly reduces the invasion of water, harmful chloride ions and the like, and ensures that the concrete structure is prevented from being corroded. When the freeze thawing occurs, the water vapor can not damage the heat insulation structure of the heat insulation plate, so that the heat insulation plate continuously generates a heat insulation effect, and the safety of the cold area tunnel is protected.
3. The preparation method disclosed by the invention is reasonable in formula and simple to operate, the alkali-free glass fiber mesh cloth is compounded with the polymer waterproof cement mortar and compounded on the rigid polyurethane insulation board, so that fireproof, waterproof and breakage-proof multidirectional protection is provided for the polyurethane insulation board, the service life of the insulation board is obviously prolonged, the occurrence of cold region tunnel freeze injury is effectively prevented, the defects of frost heaving deformation failure and short service life of the traditional insulation board are avoided, and the construction is easy.
Drawings
FIG. 1 is a schematic view of the composition of a polyurethane board and a polymer waterproof cement-based fabric according to the present invention, wherein the 1-polyurethane insulation board; 2-polymer waterproof cement-based cloth.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples, which are not intended to limit the scope of the invention.
As shown in fig. 1, the polymer waterproof type cement-based cloth composite rigid polyurethane insulation board comprises a polyurethane insulation board 1 and polymer waterproof type cement-based cloth 2 positioned on the upper surface and the lower surface of the polyurethane insulation board, and the preparation method of the polymer waterproof type cement-based cloth composite rigid polyurethane insulation board specifically comprises the following steps:
(1) the polymer waterproof cement mortar is injected into a cement mortar pool, cement mortar is obtained through vibration, the cement mortar is evenly paved on a conveying belt, the conveying belt which is fully paved with the cement mortar is continuously pushed through traction, the alkali-free glass fiber gridding cloth is pressed on the conveying belt which is fully paved with the cement mortar through a roller press, the conveying belt is pulled into a drying oven, the drying and curing are carried out for 10 minutes, and the polymer waterproof cement base cloth 2 is obtained through rewinding and bundling.
(2) The method comprises the following steps of (1) respectively and fixedly installing two bundles of polymer waterproof type cement-based cloth 2 packaged in bundles prepared in the step (1) to the upper end and the lower end of a machine head of a production line, dividing the two bundles into an upper layer and a lower layer, drawing the two layers to an oven, reserving a heat preservation layer placing space between the two layers, injecting polyurethane black and white materials between the two layers of polymer waterproof type cement-based cloth by a special casting machine, foaming, curing and forming to obtain a polyurethane heat preservation plate 1, spraying polymer waterproof type cement mortar on four exposed side surfaces of the polyurethane heat preservation plate, drying and curing to enable each heat preservation plate to form an independent waterproof type monomer-polymer waterproof type cement-based cloth composite hard polyurethane heat preservation plate.
The prepared insulation board is detected to have the thermal conductivity coefficient of 0.024w/m.k and the water absorption of 0%.
The polymer waterproof cement mortar is prepared by the following method:
4.7 parts of cement-based permeable crystalline waterproof coating (Liwei LV-5), 12 parts of 425# Portland cement, 80 parts of water, 3 parts of polyacrylic acid and 0.3 part of silane impregnant (isobutyl triethoxy silane impregnant) are mixed in a polymer waterproof cement slurry pool for 10 minutes to obtain the polymer waterproof cement slurry.
The polyurethane black and white material is obtained by mixing polyurethane rigid foam combined polyether and polymeric MDI according to the mass ratio of 1: 1.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (3)

1. A preparation method of a polymer waterproof type cement-based cloth composite hard polyurethane insulation board is characterized by comprising the following steps: the preparation method comprises the following steps:
(1) uniformly coating polymer waterproof cement mortar on the surface of the alkali-free glass fiber mesh fabric, and drying and curing to obtain polymer waterproof cement base fabric;
(2) fixedly mounting the polymer waterproof type cement-based cloth prepared in the step (1) into the upper end and the lower end of a machine head of a production line respectively through an upper layer and a lower layer, drawing the cloth to an oven, reserving a heat-insulating layer placing space between the two layers of polymer waterproof type cement-based cloth, injecting polyurethane black and white materials between the two layers of polymer waterproof type cement-based cloth through a special casting machine, foaming, curing and molding to obtain a polyurethane heat-insulating plate, spraying polymer waterproof type cement mortar on four side surfaces of the polyurethane heat-insulating plate, drying and curing to obtain the polymer waterproof type cement-based cloth composite rigid polyurethane heat-insulating plate;
the polymer waterproof cement mortar is prepared by the following method:
uniformly mixing 3-8 parts by weight of cement-based permeable crystallization waterproof coating, 5-20 parts by weight of cement, 60-120 parts by weight of water, 1-10 parts by weight of acrylic polymer and 0.1-1 part by weight of silane impregnant.
2. The method of claim 1, wherein: the cement is 425# Portland cement; the silane impregnant is isobutyl triethoxy silane impregnant; the acrylic polymer is polyacrylic acid.
3. The method of claim 1, wherein: the polyurethane black and white material is obtained by uniformly mixing polyurethane rigid foam combined polyether and polymeric MDI according to the mass ratio of 1: 1.
CN202111484692.8A 2021-12-07 2021-12-07 Preparation method of polymer waterproof type cement-based cloth composite hard polyurethane insulation board Pending CN114161805A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111484692.8A CN114161805A (en) 2021-12-07 2021-12-07 Preparation method of polymer waterproof type cement-based cloth composite hard polyurethane insulation board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111484692.8A CN114161805A (en) 2021-12-07 2021-12-07 Preparation method of polymer waterproof type cement-based cloth composite hard polyurethane insulation board

Publications (1)

Publication Number Publication Date
CN114161805A true CN114161805A (en) 2022-03-11

Family

ID=80483897

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111484692.8A Pending CN114161805A (en) 2021-12-07 2021-12-07 Preparation method of polymer waterproof type cement-based cloth composite hard polyurethane insulation board

Country Status (1)

Country Link
CN (1) CN114161805A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000272950A (en) * 1999-03-24 2000-10-03 Yamax Corp Waterproof engineering method for permeated water leakage in concrete structure
CN103104046A (en) * 2013-02-01 2013-05-15 万华节能科技集团股份有限公司 Building wall insulation composite board and preparation method thereof
CN203487645U (en) * 2013-06-06 2014-03-19 多维联合集团有限公司 External-wall insulation plate
CN107226657A (en) * 2017-07-10 2017-10-03 重庆市胡特建材有限公司 A kind of fiber-reinforced modified cement insulation board and its preparation technology
CN206625381U (en) * 2017-04-06 2017-11-10 营口象圆新材料工程技术有限公司 It is a kind of it is for building every acid, alkali, water composite insulation boards
CN113402912A (en) * 2021-07-06 2021-09-17 中建材中岩科技有限公司 Silane waterproof material for concrete protection and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000272950A (en) * 1999-03-24 2000-10-03 Yamax Corp Waterproof engineering method for permeated water leakage in concrete structure
CN103104046A (en) * 2013-02-01 2013-05-15 万华节能科技集团股份有限公司 Building wall insulation composite board and preparation method thereof
CN203487645U (en) * 2013-06-06 2014-03-19 多维联合集团有限公司 External-wall insulation plate
CN206625381U (en) * 2017-04-06 2017-11-10 营口象圆新材料工程技术有限公司 It is a kind of it is for building every acid, alkali, water composite insulation boards
CN107226657A (en) * 2017-07-10 2017-10-03 重庆市胡特建材有限公司 A kind of fiber-reinforced modified cement insulation board and its preparation technology
CN113402912A (en) * 2021-07-06 2021-09-17 中建材中岩科技有限公司 Silane waterproof material for concrete protection and preparation method thereof

Similar Documents

Publication Publication Date Title
US20160108612A1 (en) External insulation wall for mechanically-anchored inorganic modified foam insulation board with grid reinforcement
EP3778481A1 (en) Method for manufacturing aerogel blanket
CN106978886A (en) Protect concrete waterproof system and its construction method
CN112679937B (en) Mining high-antistatic composite spraying leaking stoppage material and preparation method thereof
CN114161805A (en) Preparation method of polymer waterproof type cement-based cloth composite hard polyurethane insulation board
CN113754376A (en) Building heat-preservation moisture-permeable plastering mortar and preparation method thereof
KR101448253B1 (en) Intumescence fireproof coating composition with ligneous cellulose fiber
KR100496509B1 (en) Complex waterproofing structure and method by penetrative silicate waterproofing agent and heat-protection, dew condensation-protection
KR102193438B1 (en) Silica aerogel blanket with low dust and method for preparing the same
CN114988812B (en) Anti-crack concrete for arch dam construction and construction process thereof
CN110409642A (en) A kind of A grades of insulation boards of inorganic compounding polyphenyl
KR102623027B1 (en) Aerogel blanket
CN214461279U (en) Waterproof, dampproof and mildewproof structure for old basement
KR100502278B1 (en) Coating compositions that manufactured by organic-inorganic crosslinked polymer for the protection of concrete structure and its manufacture method
CN113209539B (en) Coal mine composite colloid fire prevention and extinguishing material and preparation method thereof
KR20130143535A (en) A composite of organic.inorganic composite water-proofing materials by using modified polymer and manufacturing method thereof
CN109438862B (en) Preparation method of waterproof sealing adhesive tape with high sealing performance
KR100547389B1 (en) Organic-inorganic cross-linked composite polymer coating composition and manufacturing method for strengthening interfacial adhesion of new and old concrete
CN104562706B (en) A kind of POM fiber with anti-carbonization function
CN106146040A (en) A kind of siliceous concrete protectant
KR20170014711A (en) Composition of Moisture-preventing agent for inorganic thermal insulation materials, Inorganic thermal insulation materials improved thermal conductivity and Manufacturing method thereof
KR102001000B1 (en) Fire resistance method for concrete structure and the fire resistance material
KR102398289B1 (en) Repairing layer for crack of concrete structure using putty
CN109796148A (en) A kind of anti-crack water-proof agent for concrete and preparation method thereof
KR102190889B1 (en) Method for preparing silica aerogel blanket with high thermal insulation and high strength

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20220311