CN108058452B - Root-resistant puncture-resistant waterproof coiled material for planted roof and production method thereof - Google Patents
Root-resistant puncture-resistant waterproof coiled material for planted roof and production method thereof Download PDFInfo
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- CN108058452B CN108058452B CN201711168122.1A CN201711168122A CN108058452B CN 108058452 B CN108058452 B CN 108058452B CN 201711168122 A CN201711168122 A CN 201711168122A CN 108058452 B CN108058452 B CN 108058452B
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- 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
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/12—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- 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
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/06—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
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- 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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
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- 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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/582—Tearability
- B32B2307/5825—Tear resistant
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- 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
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
- B32B2419/06—Roofs, roof membranes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2248—Oxides; Hydroxides of metals of copper
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C08K2201/011—Nanostructured additives
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention relates to a root-resistant puncture-resistant waterproof roll for a planted roof and a production method thereof, wherein the waterproof roll is of a five-layer structure and sequentially comprises the following components from top to bottom: the upper surface isolation layer, the upper modified asphalt layer, the base layer, the lower modified asphalt layer and the lower surface isolation layer; the upper modified asphalt layer and the lower modified asphalt layer are made of modified asphalt. The root penetration resistant waterproof coiled material produced by the invention has the advantages of greatly improved properties such as root penetration resistance, tear strength, adhesion, waterproofness, aging resistance and the like, higher elongation at break, simple manufacturing process and capability of overcoming the defects of complex manufacturing, weak adhesion property and the like of the conventional waterproof coiled material. The waterproof coiled material produced by the invention is used in buildings, the bonding strength of the waterproof coiled material and a building base surface is high, the waterproof and root penetration resistant effects are good, the water seepage and water leakage phenomena of the waterproof coiled material are effectively prevented, and the waterproof coiled material has the double functions of preventing water and plant root penetration.
Description
Technical Field
The invention relates to a building waterproof material, in particular to a root-penetration-resistant waterproof coiled material for a planted roof and a production method thereof, belonging to the field of waterproof chemical materials.
Background
With the improvement of the existing building technology, the demand of waterproof materials for building engineering is increased, and the requirement on quality is also increased. Along with the progress of various engineering constructions, people are always troubled by the problems of water seepage and water leakage of roofs, floors and basements, so that various waterproof materials emerge from the beginning of waterproof engineering, the waterproof industry develops vigorously, and the waterproof coiled material is widely applied to the building industry and is one of important building materials.
Along with the urban development, commercial buildings and civil buildings are greatly increased, and the greening area is greatly reduced. Therefore, green buildings, planting and greening buildings and ecological buildings are already mentioned as important development schedules. At present, roof gardens are becoming the preferred option for developers and architects around the world to improve living conditions and living environments. However, since the roots and stems of plants in the planted roof system have strong penetrating power and often penetrate through waterproof materials to cause building leakage, the problem of not only waterproofing but also damage to the waterproof coiled material caused by the invasion of the roots of the plants into the coiled material is solved when a garden is built on the roof. Roof gardens have high requirements for waterproof rolls, which are not only waterproof, but also capable of resisting the invasion of plant roots into the rolls for a long time. However, the modified asphalt waterproof material commonly used is easily penetrated by the roots of plants in use, which causes roof leakage, and thus the requirement cannot be met. Therefore, people are also continuously researching on the waterproof coiled material for building planting and greening to improve the root penetration resistance.
In the aspect of root penetration resistant waterproof rolls for building planting and greening, relevant documents such as: the Chinese patent with the application number of 201310738653.5 discloses a planted roof root-resistant waterproof coiled material and a production processing technology thereof, wherein the planted roof root-resistant waterproof coiled material comprises 28-30 parts of asphalt, 2-6 parts of SBS, 3-6 parts of SBR, 16-7 parts of APP, 15-23 parts of mixed grease, 3-6 parts of a flame retardant, 10-13 parts of migration-resistant plasticizer, 23-24 parts of polyvinyl chloride resin, 8-10 parts of silicate cement powder, 1.0-1.2 parts of nano zinc oxide, 1-5 parts of dibasic lead phosphite, 2-8 parts of ternary vinyl chloride resin, 1-5 parts of ABS resin, 15-22 parts of antifreeze 909 type adhesive, 10-12 parts of polypropylene fiber and 0.8-1.2 parts of chemical root-resistant agent. The invention has the advantages of bearing plant root hair puncture, keeping waterproof for a long time, preventing root puncture, not influencing the normal growth of plants, forming a high-strength waterproof layer, having strong pressure water resistance, puncture resistance, fatigue resistance and high tensile strength, having large degree of originality of the SBS modified asphalt coating layer, strong adaptability to base shrinkage and cracking, excellent high and low temperature resistance, adaptability to cold and hot areas, corrosion resistance, mildew resistance and good weather resistance. For another example, chinese patent application No. CN201310069167.9 discloses an enhanced root penetration resistant waterproof roll and a production process thereof, wherein the enhanced root penetration resistant waterproof roll comprises, by weight, 2-5 parts of a flame retardant, 15-20 parts of a migration resistant plasticizer, 60-75 parts of a polyvinyl chloride resin, 2-8 parts of epoxidized soybean oil, 1-5 parts of dibasic lead phosphite, 1-5 parts of tribasic lead phosphite, 2-8 parts of E-881 modified chlorine-vinegar copolymer resin, and 1-5 parts of an epoxy resin. The invention has the advantages of stronger impact resistance and corrosion resistance, capability of meeting the system requirements of planting vegetation in the current buildings, difficult penetration by plant root tips in the use process, good waterproof effect, no pollution to the environment in the production, construction or use processes, uniform texture and long service life.
Although both of the above-mentioned documents have an effect of improving the root penetration resistance of the asphalt waterproof roll, the raw materials used for preparing the root penetration resistance waterproof roll in the first document are expensive and have high cost, and the asphalt waterproof layer of the modified asphalt waterproof roll adopting the metal base in the second document has no root resistance, so that the safety coefficient of the whole root resistance is greatly reduced, the post-treatment of the root resistance of the lap joint part is required in the construction, and the construction cost is increased. In the waterproof roll, the properties of the waterproof roll, such as waterproofness, adhesiveness, stretchability, etc., are also important factors for the overall waterproofing work. For example, the waterproof coiled material has low tensile strength; the integrity of the paving is also poor; after construction, a great leakage risk exists; the construction process is troublesome, the adhesive property is poor, the coiled material and the base layer cannot be combined and tightly bonded, and the manufacturing process is complicated. Therefore, the production of the modified asphalt root penetration resistant waterproof coiled material which is low in cost, strong in root penetration resistance and more excellent in various properties plays an important role in the development of the building industry.
Disclosure of Invention
The invention aims to provide a root puncture resistant waterproof coiled material for a planted roof and a production method thereof aiming at the defects of the prior art, the root puncture resistant waterproof coiled material for the planted roof has good performances of waterproofness, stretchability, cohesiveness, salt and alkali resistance and the like, is low in cost, has strong impact resistance and corrosion resistance, can bear plant root and hair puncture, prevents root puncture, and does not influence the normal growth of plants.
In order to realize the purpose, the method adopts the following technical scheme:
the utility model provides a plant roofing with resistant root puncture type waterproofing membrane, this waterproofing membrane is five-layer structure, and from the top down is in proper order: the upper surface isolation layer, the upper modified asphalt layer, the base layer, the lower modified asphalt layer and the lower surface isolation layer; the upper modified asphalt layer and the lower modified asphalt layer are prepared from modified asphalt, and the modified asphalt is prepared from the following raw materials in parts by weight: 70-75 parts of No. 90 petroleum asphalt; 20-25 parts of naphthenic oil; 10-15 parts of SBS modifier; 5-10 parts of SIS styrene-isoprene-styrene block copolymer; 10-15 parts of phenolated lignin; 1-2 parts of polyvinyl alcohol; 2-4 parts of gamma-ethylenediamine-based triethoxysilane; 1-3 parts of a chemical root-resisting agent; 1-3 parts of tributyl citrate; 0.3-0.5 part of antioxidant; 0.1-0.3 part of ultraviolet absorbent; 1-3 parts of sodium carboxymethylcellulose; 20-25 parts of modified nano calcium carbonate.
According to the root puncture resistant waterproof roll for the planted roof, the upper surface isolation layer is one of a polyethylene film, precoated sand or a PET isolation film, and the lower surface isolation layer is a polyethylene film; the base layer is a copper foil base.
According to the root penetration resistant waterproof roll for the planted roof, the chemical root-resisting agent is copper oxide powder, the antioxidant is propyl gallate, and the ultraviolet absorbent is 2-hydroxy-4-methoxybenzophenone or ultraviolet absorbent UV-531.
According to the root penetration resistant waterproof roll for the planted roof, the preparation method of the phenolated lignin comprises the following steps: adding sodium lignosulfonate into a heating reaction kettle, adding a phenol solution which is 60% of the weight of the sodium lignosulfonate, uniformly stirring, adding a sodium hydroxide solution which is 3-5% of the weight of the sodium lignosulfonate and has a mass concentration of 40-50%, stirring and dissolving, heating to 110-120 ℃, stirring at a constant temperature for reacting for 0.8-2 hours, adjusting the pH =2-3 of a reaction solution by using hydrochloric acid, performing suction filtration, washing a filter cake by using boiling water until no free phenol exists, obtaining phenolated lignin, and grinding the phenolated lignin into particles with the particle size of less than or equal to 1 cm by using a grinder.
The root-penetration-resistant waterproof roll for the planted roof is characterized in that the preparation method of the modified nano calcium carbonate comprises the following steps: dehydrating and drying nano calcium carbonate powder at 115-120 ℃, adding the nano calcium carbonate powder into a high-speed mixer, stirring and heating, stopping heating at 90 ℃, adding a chelating titanate coupling agent KR-201 accounting for 2.0% of the mass of the nano calcium carbonate, and modifying for 10min at 90 ℃; and then adding stearic acid accounting for 2.0 percent of the mass of the nano calcium carbonate, coconut oil accounting for 0.5 percent of the mass of the nano calcium carbonate and industrial white oil accounting for 1 percent of the mass of the nano calcium carbonate one by one, respectively modifying for 10-15 min at 90 ℃, stopping the machine, and discharging to obtain the modified nano calcium carbonate.
The production method of the root-resistant puncture-type waterproof roll for the planted roof comprises the following steps:
(1) firstly, preparing modified asphalt:
①, adding 90# petroleum asphalt and naphthenic oil into a reaction kettle according to parts by weight, heating the reaction temperature to 150-160 ℃, adding phenolated lignin and gamma-ethylenediamine triethoxysilane, and stirring for 80-90 minutes by using a high-speed shearing machine;
②, heating the temperature of the reaction kettle to 170-175 ℃, adding an SBS modifier and an SIS styrene-isoprene-styrene segmented copolymer into the reaction kettle, stirring and melting uniformly;
③ adding polyvinyl alcohol, a chemical root-resisting agent, tributyl citrate, an antioxidant, an ultraviolet absorbent, sodium carboxymethylcellulose and modified nano calcium carbonate into a reaction kettle, uniformly stirring, and shearing all the materials in the reaction kettle again for 90-100 minutes on a high-speed shearing machine until the 90# petroleum asphalt and other materials are uniformly dispersed to prepare modified asphalt;
(2) pumping the prepared modified asphalt into a front end soaking tank of a production line, unfolding a base course layer on the production line and guiding the base course layer into the soaking tank, soaking the modified asphalt, performing thickness control by using a thickness control roller, respectively forming an upper modified asphalt layer and a lower modified asphalt layer on the upper surface and the lower surface of the base course layer, respectively covering an upper surface isolation layer and a lower surface isolation layer on the upper modified asphalt layer and the lower modified asphalt layer, cooling by cooling equipment, length counting, edge cutting, rolling and packaging to obtain a finished product.
The modified nano calcium carbonate used in the invention mainly plays a role of a filler in the modified asphalt prepared in the invention, the fillers such as kaolin, calcium carbonate, talcum powder and the like used in the modified asphalt used for producing the waterproof coiled material in the past are not modified, and the modified nano calcium carbonate has obvious defects when being filled in various polymers: the surface is hydrophilic and oleophobic, and the internal dispersibility in the polymer is poor; secondly, the bonding force with the high polymer body is poor, and only the function of capacity increase can be achieved. The fillers used in the past have hydrophilic and oleophobic surfaces and poor compatibility and dispersibility with polymers, and can influence the performance of the prepared modified asphalt when being used for filling the asphalt. The modified nano calcium carbonate is obtained by modifying the nano calcium carbonate powder, so that the agglomeration force among particles is reduced, the lipophilicity is increased, the compatibility and the dispersibility of the calcium carbonate and a polymer are improved, the chemical affinity is enhanced, the modified nano calcium carbonate can be uniformly dispersed in the whole emulsion system and is good in dispersibility, and the defects of filling the asphalt with the filler used in the past are overcome.
The tributyl citrate used in the preparation of the modified asphalt is colorless transparent liquid, has good mould-resistant reproductive performance, is heat-resistant, cold-resistant, light-resistant and water-resistant, has high plasticizing efficiency and small volatility, is a good environment-friendly nontoxic plasticizer, and a paint film plasticized by the plasticizer is very resistant to oil and animal fat. The tributyl citrate is used for preparing the modified asphalt and then used for producing the waterproof roll material, so that the water resistance and the scratch resistance of the waterproof roll material can be improved, the extensibility, the toughness and the adhesive force of the waterproof roll material can be enhanced, and the mildew resistance of the waterproof roll material can be further improved. The sodium carboxymethylcellulose used in the invention is CMC-Na for short, is a cellulose derivative with the glucose polymerization degree of 100-2000-one, plays the role of an anti-settling agent and a dispersing agent in the modified asphalt prepared by the invention, and can ensure that solid components are uniformly distributed in the whole system, so that the prepared modified asphalt is not layered for a long time. The raw materials used in the modified asphalt prepared by the invention; both SBS modifiers and SIS styrene-isoprene-styrene block copolymers are commercially available.
The invention has the beneficial effects that:
1. the invention relates to an upper modified asphalt layer and a lower modified asphalt layer of a root-piercing-resistant waterproof coiled material for a planted roof, which are prepared from modified asphalt, wherein during the preparation of the modified asphalt, added gamma-ethylenediamine-based triethoxysilane is a compound containing a plurality of functional groups in the molecule, one end of the gamma-ethylenediamine-based triethoxysilane is connected with the phenolic hydroxyl group of the added phenolic lignin as another raw material, and organic functional groups such as vinyl, amino and the like at the other end are connected with the carboxyl of the asphalt, so that a molecular bond bridge is formed between the phenolic lignin and an asphalt matrix, the interface bonding force of the lignin and the asphalt is enhanced through chemical bonding, the asphalt is coupled into macromolecules with reaction activity, when the macromolecules are contacted with a base surface, the molecule segments of the modified asphalt form physical adsorption with the concrete, and the macromolecules with the reaction activity generate chemical bonding adsorption with the concrete, chemical force is generated, so that the bonding force between the formed waterproof layer and the concrete is greatly enhanced, and the waterproof layer is hardly influenced by external environmental factors. And researches show that the phenolized sodium lignosulfonate has a plurality of active groups and high organic activity, so that chemical bond combination exists between the phenolized lignin and the asphalt, and the untreated lignin and the asphalt are bonded by mechanical interlocking and are only physical mortises and tenons. Therefore, the interfacial bonding strength between the phenolized sodium lignin sulfonate and the asphalt is improved.
2. The base layer of the invention is a copper foil base, by virtue of the action of copper ions, the meristem of the root system top near the waterproof layer is inhibited, the root system is controlled not to produce to the waterproof layer any more, meanwhile, the chemical root-resisting agent for inhibiting the growth of the plant root system is also added in the modified asphalt prepared by the invention, the growth of the root system top cuticle can be promoted, the damage of the root system to the waterproof layer is inhibited, and the plant production is not influenced.
3. The root-penetration-resistant waterproof roll for the planted roof, which is prepared by the invention, is used in a building, and has high bonding strength with a building base surface and good waterproof effect. The prepared modified asphalt is used for preparing an upper modified asphalt layer and a lower modified asphalt layer of the waterproof coiled material, the two modified asphalt layers and concrete can jointly play a role in chemical crosslinking reaction and physical mortise and tenon cooperative bonding, and can creep and infiltrate into cement gel and concrete capillary holes in the process of cement and concrete solidification, so that the effects of tight, firm and irreversible bone and meat connection bonding are achieved, and the bonding strength of the waterproof coiled material is greatly improved. And the bonding between the upper modified asphalt layer and the lower modified asphalt layer and the concrete base surface is irreversible, the bonding strength is high, the tearing strength is high, the elongation is high, and even if the base surface generates displacement caused by expansion and contraction or even cracks or the bonding surface is soaked by water and is under the action of water pressure for a long time, the bonding effect is still kept.
4. According to the invention, the modified asphalt is modified by substances such as SBS modifier, SIS styrene-isoprene-styrene block copolymer, phenolic lignin, chemical root inhibitor, gamma-ethylenediamine triethoxy silane, antioxidant and ultraviolet absorbent, the property of the obtained modified asphalt is stable, and various performances are improved; the added modified nano calcium carbonate has high dispersibility, and the storage stability of a modified asphalt system is effectively improved; the modified asphalt is used for preparing a waterproof coiled material, the properties of the produced root penetration resistance type waterproof coiled material, such as root penetration resistance, tear strength, cohesiveness, waterproofness, aging resistance and the like, are greatly improved, the elongation at break is higher, and the service life of the waterproof coiled material is prolonged; and the manufacturing process is simple, and the defects of complex manufacturing, weak bonding property and the like of the conventional waterproof roll are overcome. The waterproof coiled material prepared by the invention is used in buildings, has high bonding strength with the base surface of the building, good waterproof and root penetration resistant effects, effectively prevents the water seepage and water leakage of the waterproof coiled material, has low cost, outstanding oil resistance and flexibility resistance, and is nontoxic, safe, environment-friendly and pollution-free.
Detailed Description
Example 1
The utility model provides a plant roofing with resistant root puncture type waterproofing membrane, this waterproofing membrane is five-layer structure, and from the top down is in proper order: the upper surface isolation layer, the upper modified asphalt layer, the base layer, the lower modified asphalt layer and the lower surface isolation layer;
the upper surface isolation layer and the lower surface isolation layer are both polyethylene films; the base layer is a copper foil base;
the upper modified asphalt layer and the lower modified asphalt layer are prepared from modified asphalt, and the modified asphalt is prepared from the following raw materials in parts by weight: 70 parts of No. 90 petroleum asphalt; 20 parts of naphthenic oil; 10 parts of SBS modifier; 5 parts of SIS styrene-isoprene-styrene block copolymer; 10 parts of phenolic lignin; 1 part of polyvinyl alcohol; 2 parts of gamma-ethylenediamine triethoxy silane; 1 part of chemical root-resisting agent copper oxide powder; 1 part of tributyl citrate; 0.3 part of antioxidant propyl gallate; 0.1 part of ultraviolet absorbent 2-hydroxy-4-methoxybenzophenone; 1 part of sodium carboxymethyl cellulose; 20 parts of modified nano calcium carbonate.
The preparation method of the phenolated lignin comprises the following steps: adding sodium lignosulfonate into a heating reaction kettle, adding a phenol solution with the weight of 60% of the sodium lignosulfonate, uniformly stirring, adding a sodium hydroxide solution with the mass concentration of 50% and the weight of 3% of the sodium lignosulfonate, stirring and dissolving, heating to 110 ℃, stirring at constant temperature for reaction for 2 hours, adjusting the pH of the reaction solution to be 2-3 by using hydrochloric acid, performing suction filtration, washing a filter cake by using boiling water until no free phenol exists, obtaining phenolated lignin, and grinding the phenolated lignin into particles with the particle size of less than or equal to 1 cm by using a grinder.
The preparation method of the modified nano calcium carbonate comprises the following steps: dehydrating and drying nano calcium carbonate powder at 115-120 ℃, adding the nano calcium carbonate powder into a high-speed mixer, stirring and heating, stopping heating at 90 ℃, adding a chelating titanate coupling agent KR-201 accounting for 2.0% of the mass of the nano calcium carbonate, and modifying for 10min at 90 ℃; and then adding stearic acid accounting for 2.0 percent of the mass of the nano calcium carbonate, coconut oil accounting for 0.5 percent of the mass of the nano calcium carbonate and industrial white oil accounting for 1 percent of the mass of the nano calcium carbonate one by one, respectively modifying for 10-15 min at 90 ℃, stopping the machine, and discharging to obtain the modified nano calcium carbonate.
The production method of the root-resistant puncture-type waterproof roll for the planted roof comprises the following steps:
(1) firstly, preparing modified asphalt:
① adding 90# petroleum asphalt and naphthenic oil into a reaction kettle according to the parts by weight, heating the reaction temperature to 150 ℃, adding phenolated lignin and gamma-ethylenediamine triethoxy silane, and stirring for 90 minutes by a high-speed shearing machine;
②, heating the temperature of the reaction kettle to 170-175 ℃, adding an SBS modifier and an SIS styrene-isoprene-styrene segmented copolymer into the reaction kettle, stirring and melting uniformly;
③ adding polyvinyl alcohol, a chemical root-resisting agent, tributyl citrate, an antioxidant, an ultraviolet absorbent, sodium carboxymethylcellulose and modified nano calcium carbonate into a reaction kettle, uniformly stirring, and shearing all the materials in the reaction kettle again for 90-100 minutes on a high-speed shearing machine until the 90# petroleum asphalt and other materials are uniformly dispersed to prepare modified asphalt;
(2) pumping the prepared modified asphalt into a front end soaking tank of a production line, unfolding a base course layer on the production line and guiding the base course layer into the soaking tank, soaking the modified asphalt, performing thickness control by using a thickness control roller, respectively forming an upper modified asphalt layer and a lower modified asphalt layer on the upper surface and the lower surface of the base course layer, respectively covering an upper surface isolation layer and a lower surface isolation layer on the upper modified asphalt layer and the lower modified asphalt layer, cooling by cooling equipment, length counting, edge cutting, rolling and packaging to obtain a finished product.
Example 2
The utility model provides a plant roofing with resistant root puncture type waterproofing membrane, this waterproofing membrane is five-layer structure, and from the top down is in proper order: the upper surface isolation layer, the upper modified asphalt layer, the base layer, the lower modified asphalt layer and the lower surface isolation layer;
the upper surface isolation layer is coated sand, and the lower surface isolation layer is a polyethylene film; the base layer is a copper foil base;
the upper modified asphalt layer and the lower modified asphalt layer are prepared from modified asphalt, and the modified asphalt is prepared from the following raw materials in parts by weight: 73 parts of No. 90 petroleum asphalt; 22 parts of naphthenic oil; 12 parts of SBS modifier; 9 parts of SIS styrene-isoprene-styrene block copolymer; 13 parts of phenolated lignin; 1.5 parts of polyvinyl alcohol; 3 parts of gamma-ethylenediamine triethoxy silane; 2 parts of chemical root-resisting agent copper oxide powder; 2 parts of tributyl citrate; 0.4 part of antioxidant propyl gallate; UV-5310.2 parts of an ultraviolet absorbent; 2 parts of sodium carboxymethyl cellulose; 23 parts of modified nano calcium carbonate.
The preparation method of the phenolated lignin comprises the following steps: adding sodium lignosulfonate into a heating reaction kettle, adding a phenol solution with the weight of 60% of the sodium lignosulfonate, uniformly stirring, adding a sodium hydroxide solution with the mass concentration of 45% and the weight of 4% of the sodium lignosulfonate, stirring and dissolving, heating to 115 ℃, stirring at constant temperature for reaction for 1.5 hours, adjusting the pH of the reaction solution to be 2-3 by using hydrochloric acid, performing suction filtration, washing a filter cake by using boiling water until no free phenol exists, obtaining phenolated lignin, and grinding the phenolated lignin into particles with the particle size of less than or equal to 1 cm by using a grinder.
The preparation method of the modified nano calcium carbonate is consistent with that in example 1.
The production method of the root-resistant puncture-type waterproof roll for the planted roof comprises the following steps:
(1) firstly, preparing modified asphalt:
① adding 90# petroleum asphalt and naphthenic oil into a reaction kettle according to the parts by weight, heating the reaction temperature to 155 ℃, adding phenolated lignin and gamma-ethylenediamine triethoxy silane, and stirring for 85 minutes by a high-speed shearing machine;
②, heating the temperature of the reaction kettle to 170-175 ℃, adding an SBS modifier and an SIS styrene-isoprene-styrene segmented copolymer into the reaction kettle, stirring and melting uniformly;
③ adding polyvinyl alcohol, a chemical root-resisting agent, tributyl citrate, an antioxidant, an ultraviolet absorbent, sodium carboxymethylcellulose and modified nano calcium carbonate into a reaction kettle, uniformly stirring, and shearing all the materials in the reaction kettle again for 90-100 minutes on a high-speed shearing machine until the 90# petroleum asphalt and other materials are uniformly dispersed to prepare modified asphalt;
(2) pumping the prepared modified asphalt into a front end soaking tank of a production line, unfolding a base course layer on the production line and guiding the base course layer into the soaking tank, soaking the modified asphalt, performing thickness control by using a thickness control roller, respectively forming an upper modified asphalt layer and a lower modified asphalt layer on the upper surface and the lower surface of the base course layer, respectively covering an upper surface isolation layer and a lower surface isolation layer on the upper modified asphalt layer and the lower modified asphalt layer, cooling by cooling equipment, length counting, edge cutting, rolling and packaging to obtain a finished product.
Example 3
The utility model provides a plant roofing with resistant root puncture type waterproofing membrane, this waterproofing membrane is five-layer structure, and from the top down is in proper order: the upper surface isolation layer, the upper modified asphalt layer, the base layer, the lower modified asphalt layer and the lower surface isolation layer;
the upper surface isolation layer is a PET isolation film, and the lower surface isolation layer is a polyethylene film; the base layer is a copper foil base;
the upper modified asphalt layer and the lower modified asphalt layer are prepared from modified asphalt, and the modified asphalt is prepared from the following raw materials in parts by weight: 75 parts of No. 90 petroleum asphalt; 25 parts of naphthenic oil; 15 parts of SBS modifier; 10 parts of SIS styrene-isoprene-styrene block copolymer; 15 parts of phenolated lignin; 2 parts of polyvinyl alcohol; 4 parts of gamma-ethylenediamine triethoxy silane; 3 parts of chemical root-resisting agent copper oxide powder; 3 parts of tributyl citrate; 0.5 part of antioxidant propyl gallate; 0.3 part of ultraviolet absorbent 2-hydroxy-4-methoxybenzophenone; 3 parts of sodium carboxymethyl cellulose; 25 parts of modified nano calcium carbonate.
The preparation method of the phenolated lignin comprises the following steps: adding sodium lignosulfonate into a heating reaction kettle, adding a phenol solution with the weight of 60% of the sodium lignosulfonate, uniformly stirring, adding a sodium hydroxide solution with the weight of 5% of the sodium lignosulfonate and the mass concentration of 40%, stirring and dissolving, heating to 120 ℃, stirring at constant temperature for reaction for 0.8 hour, adjusting the pH of the reaction solution to be 2-3 by using hydrochloric acid, performing suction filtration, washing a filter cake by using boiling water until no free phenol exists, obtaining phenolated lignin, and grinding the phenolated lignin into particles with the particle size of less than or equal to 1 cm by using a grinder.
The preparation method of the modified nano calcium carbonate is consistent with that in example 1.
The production method of the root-resistant puncture-type waterproof roll for the planted roof comprises the following steps:
(1) firstly, preparing modified asphalt:
① adding 90# petroleum asphalt and naphthenic oil into a reaction kettle according to the parts by weight, heating the reaction temperature to 160 ℃, adding phenolated lignin and gamma-ethylenediamine triethoxy silane, and stirring for 80 minutes by a high-speed shearing machine;
②, heating the temperature of the reaction kettle to 170-175 ℃, adding an SBS modifier and an SIS styrene-isoprene-styrene segmented copolymer into the reaction kettle, stirring and melting uniformly;
③ adding polyvinyl alcohol, a chemical root-resisting agent, tributyl citrate, an antioxidant, an ultraviolet absorbent, sodium carboxymethylcellulose and modified nano calcium carbonate into a reaction kettle, uniformly stirring, and shearing all the materials in the reaction kettle again for 90-100 minutes on a high-speed shearing machine until the 90# petroleum asphalt and other materials are uniformly dispersed to prepare modified asphalt;
(2) pumping the prepared modified asphalt into a front end soaking tank of a production line, unfolding a base course layer on the production line and guiding the base course layer into the soaking tank, soaking the modified asphalt, performing thickness control by using a thickness control roller, respectively forming an upper modified asphalt layer and a lower modified asphalt layer on the upper surface and the lower surface of the base course layer, respectively covering an upper surface isolation layer and a lower surface isolation layer on the upper modified asphalt layer and the lower modified asphalt layer, cooling by cooling equipment, length counting, edge cutting, rolling and packaging to obtain a finished product.
Quality detection
1. The properties of the modified nano calcium carbonate and the unmodified nano calcium carbonate prepared by the invention are tested by experiments, and the results are as follows: compared with unmodified nano calcium carbonate, the oil absorption value of the modified nano calcium carbonate is reduced by 48.6 percent, the sedimentation volume is reduced by 57.6 percent, the viscosity is reduced by 59.9 percent, and the bulk density is reduced by 16.4 percent. The modified nano calcium carbonate is oleophylic and hydrophobic, has good compatibility with other raw materials used for preparing the modified asphalt, and has reduced bulk density, thus the modified nano calcium carbonate has good dispersibility and is not easy to agglomerate.
2. The root-piercing-resistant waterproof roll for the planted roof, which is produced in embodiments 1 to 3 of the present invention, is subjected to test determination, and the maximum peak tension, the maximum peak elongation, the low-temperature flexibility, the water impermeability and the seam peel strength of the root-piercing-resistant waterproof roll are analyzed and compared with the industry standard (refer to GB 12952-2011), and the results are shown in table 1:
as can be seen from the analysis of table 1, the waterproof rolls produced in examples 1 to 3 all meet the use requirements of the industrial standard, and the root penetration resistance test shows that the product of the present invention has good root penetration resistance, and the detection results are compared with various performance data of the common modified asphalt waterproof roll products in the market, so that the properties of the present invention, such as low temperature flexibility, aging resistance, elongation, etc., are improved.
Claims (1)
1. The utility model provides a plant roofing with resistant root puncture type waterproofing membrane which characterized in that, this waterproofing membrane is five-layer structure, and from the top down is in proper order: the upper surface isolation layer, the upper modified asphalt layer, the base layer, the lower modified asphalt layer and the lower surface isolation layer; the upper modified asphalt layer and the lower modified asphalt layer are prepared from modified asphalt, and the modified asphalt is prepared from the following raw materials in parts by weight: 70-75 parts of No. 90 petroleum asphalt; 20-25 parts of naphthenic oil; 10-15 parts of SBS modifier; 5-10 parts of SIS styrene-isoprene-styrene block copolymer; 10-15 parts of phenolated lignin; 1-2 parts of polyvinyl alcohol; 2-4 parts of gamma-ethylenediamine-based triethoxysilane; 1-3 parts of a chemical root-resisting agent; 1-3 parts of tributyl citrate; 0.3-0.5 part of antioxidant; 0.1-0.3 part of ultraviolet absorbent; 1-3 parts of sodium carboxymethylcellulose; 20-25 parts of modified nano calcium carbonate;
the upper surface isolation layer is one of a polyethylene film, precoated sand or a PET isolation film, and the lower surface isolation layer is a polyethylene film; the base layer is a copper foil base;
the chemical root-resisting agent is copper oxide powder, the antioxidant is propyl gallate, and the ultraviolet absorbent is 2-hydroxy-4-methoxybenzophenone or ultraviolet absorbent UV-531;
the preparation method of the phenolated lignin comprises the following steps: adding sodium lignosulfonate into a heating reaction kettle, adding a phenol solution which is 60% of the weight of the sodium lignosulfonate, uniformly stirring, adding a sodium hydroxide solution which is 3-5% of the weight of the sodium lignosulfonate and has a mass concentration of 40-50%, stirring and dissolving, heating to 110-120 ℃, stirring at a constant temperature for reacting for 0.8-2 hours, adjusting the pH =2-3 of a reaction solution by using hydrochloric acid, performing suction filtration, washing a filter cake by using boiling water until no free phenol exists, obtaining phenolated lignin, and grinding the phenolated lignin into a product with the granularity of less than or equal to 1 cm by using a grinder;
the preparation method of the modified nano calcium carbonate comprises the following steps: dehydrating and drying nano calcium carbonate powder at 115-120 ℃, adding the nano calcium carbonate powder into a high-speed mixer, stirring and heating, stopping heating at 90 ℃, adding a chelating titanate coupling agent KR-201 accounting for 2.0% of the mass of the nano calcium carbonate, and modifying for 10min at 90 ℃; adding stearic acid accounting for 2.0 percent of the mass of the nano calcium carbonate, coconut oil accounting for 0.5 percent of the mass of the nano calcium carbonate and industrial white oil accounting for 1 percent of the mass of the nano calcium carbonate one by one, respectively modifying for 10-15 min at 90 ℃, stopping the machine, and discharging to obtain modified nano calcium carbonate;
the production method of the root-resistant puncture-type waterproof roll for the planted roof comprises the following steps:
(1) firstly, preparing modified asphalt:
① adding 90# petroleum asphalt and naphthenic oil into a reaction kettle according to the parts by weight, heating the reaction temperature to 150 ℃ and 160 ℃, adding phenolated lignin and gamma-ethylenediamine triethoxysilane, and stirring for 80-90 minutes by a high-speed shearing machine;
② heating the temperature of the reaction kettle to 170-175 ℃, adding SBS modifier and SIS styrene-isoprene-styrene segmented copolymer into the reaction kettle, stirring and melting uniformly;
③ adding polyvinyl alcohol, a chemical root-resisting agent, tributyl citrate, an antioxidant, an ultraviolet absorbent, sodium carboxymethylcellulose and modified nano calcium carbonate into a reaction kettle, uniformly stirring, and shearing all the materials in the reaction kettle again for 90-100 minutes on a high-speed shearing machine until the 90# petroleum asphalt and other materials are uniformly dispersed to prepare modified asphalt;
(2) pumping the prepared modified asphalt into a front end soaking tank of a production line, unfolding a base course layer on the production line and guiding the base course layer into the soaking tank, soaking the modified asphalt, performing thickness control by using a thickness control roller, respectively forming an upper modified asphalt layer and a lower modified asphalt layer on the upper surface and the lower surface of the base course layer, respectively covering an upper surface isolation layer and a lower surface isolation layer on the upper modified asphalt layer and the lower modified asphalt layer, cooling by cooling equipment, length counting, edge cutting, rolling and packaging to obtain a finished product.
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| CN109355926A (en) * | 2018-09-25 | 2019-02-19 | 四川杨氏达防水材料有限公司 | Planted roof root resistance puncture resistant waterproof roll and preparation method |
| CN110356066B (en) * | 2019-08-15 | 2021-10-26 | 广西禹杰防水防腐材料有限公司 | SBS modified asphalt root-resistant waterproof coiled material and production method thereof |
| CN111423736A (en) * | 2020-04-26 | 2020-07-17 | 郑州航空工业管理学院 | Preparation method of nano carbon powder, SBS (styrene butadiene styrene) and rubber powder composite modified asphalt |
| CN112078214B (en) * | 2020-08-27 | 2022-06-28 | 上海建材集团防水材料有限公司 | Preparation method of waterproof roll resistant to penetration of plant root system |
| CN112266601A (en) * | 2020-10-15 | 2021-01-26 | 雷小卫 | Chemical root-resisting agent, preparation method thereof and waterproof roll containing chemical root-resisting agent |
| CN112571885A (en) * | 2020-12-09 | 2021-03-30 | 河北宇阳泽丽防水材料有限公司 | Double-base double-lap-joint modified asphalt root-puncture-resistant waterproof coiled material and preparation method thereof |
| CN115257075B (en) * | 2022-08-08 | 2022-12-27 | 潍坊市宇虹防水材料(集团)有限公司 | Copper child base root resistance waterproofing membrane |
| CN117601542B (en) * | 2024-01-17 | 2024-03-26 | 新大运防水科技(唐山)有限公司 | Impervious asphalt waterproof coiled material and preparation method thereof |
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