CN108099314A - A kind of flame-retardant wood quality modified asphalt waterproof coiled material and its production method - Google Patents
A kind of flame-retardant wood quality modified asphalt waterproof coiled material and its production method Download PDFInfo
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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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
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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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- 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
- B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
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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
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific 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
- B32B27/06—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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- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- 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
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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
- B32B2307/30—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
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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
- B32B2307/552—Fatigue strength
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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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- 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
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K2201/00—Specific properties of additives
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Abstract
The present invention relates to a kind of flame-retardant wood quality modified asphalt waterproof coiled material, which is five layered structures, is followed successively by from top to bottom：Upper surface separation layer, upper flame-retardant modified bitumen layer, tire base, lower flame-retardant modified bitumen layer and lower surface separation layer；The upper flame-retardant modified bitumen layer and lower flame-retardant modified bitumen layer are made by flame-retardant modified pitch, and the flame-retardant modified pitch is to be prepared from the following raw materials in parts by weight：40 50 parts of phenolate lignin；20 25 parts of SBS modifier；50 60 parts of 90# asphalt；5 10 parts of silane coupling agent；58 parts of modified nano calcium carbonate；58 parts of polyoxyethylene polyoxy propyl alcohol amidogen ether；69 parts of citric acid；69 parts of aerosil；4.8 7.2 parts of flame-retardant mixture；35 parts of acetyl trihexyl citrate.The performances such as tearing toughness, caking property, water resistance, resistance to ag(e)ing and the high temperature resistant of the waterproof roll that present invention production obtains and saline-alkali tolerant are all greatly improved.
Description
Technical field
The present invention relates to a kind of polymer membranes, are rolled up more particularly, to a kind of flame-retardant wood quality modified asphalt waterproof
Material and its production method belong to waterproof chemistry Material Field.
Background technology
Asphalt has good caking property, ageing resistance and waterproof ability, be widely used as building the road for a long time,
The materials such as waterproof and sealing.It is domestic and international waterproof, seepage control engineering the advantages of having raw material to be easy to get for waterproofing work, is cheap etc.
In one of the material that is most widely used.
And economize on resources, environmental protection be China fundamental state policy.Lignin nature be only second to cellulose
Two big natural organic-compounds.Global pulp and paper industry can generate about 50,000,000 tons of industrial lignins every year.China's system
It is about 5,000,000,000 tons to starch paper waste discharge capacity, occupies the first place of China's all types of industries discharge capacity, pollution of the paper industry to water environment
It is the most serious.According to statistics, county of China and county's more than papermaking and paper products industry wastewater discharge account for national industrial total release
18.6%, wherein processing emission compliance amount accounts for the 49.3% of paper-making industrial waste water total release.But current paper industry accounts for arranging
The waste water for putting total amount 50% not yet carries out processing up to standard.And containing substantial amounts of lignin in paper waste, therefore annual papermaking is produced
Raw lignin is also up to 4,500,000 tons.Due to the limitation of its own some intrinsic characteristic and current economic technology condition, so far
Until, only only 6% or so industrial lignin is utilized effectively, after the concentration of most lignin as fuel burn-up or
It is directly discharged into rivers.This not only causes the significant wastage of resource, but also has seriously polluted the environment.To solve energy shortage, people
Stepping up to develop biomass alcohol fuel.In the production process of biomass ferment ethyl alcohol, lignin and cellulose and
Hemicellulose is different, after experience dilute acid pretreatment, saccharification and fermentation step, it is impossible to and fermentable sugars is converted into, is solid residue,
Necessarily lead to substantial amounts of lignin byproduct in wood-based composites biofuel production process, biology will be directly affected by efficiently using
The economic competitiveness of matter ethyl alcohol.
It is as follows that applicant retrieves the pertinent literature being modified to pitch as modifying agent by the use of lignin：
Application number：201310647897.2；Applicant：Hohai University；Denomination of invention：Lignin modified asphalt and preparation method thereof
And application；Summary：Lignin modified asphalt and its preparation method and application, the present invention are prepared by following steps：(1) it is wooden
The extraction of element；(2) lignin is refined；(3) modification of lignin；(4) by modified lignin resin obtained by step (3) and asphalt
It is placed in reaction vessel, adds in Na2S reacts 30min, post-treated to obtain lignin modified asphalt.The present invention is black from discarded papermaking
Lignin is extracted in liquid, and chemical modification is carried out to pitch using refined modified lignin, obtains lignin modified asphalt,
The corrosion resistance of modified pitch is suitable with pitch before modified, and elastic restoration ratio is high by 1.2% compared with pitch before modified,
Viscosity at identical temperature is higher than the viscosity of unmodified preceding pitch, therefore the performance phase of lignin modified asphalt and unmodified pitch
When, therefore pitch can be replaced with lignin modified asphalt, petroleum resources are not only effectively saved, but also two have been carried out to discarded black liquid
Secondary utilization.
Application number：200810011462.8；Applicant：Sinopec Group；Sinopec's stock
Fushun Petrochemical Research Institute of part Co., Ltd；Denomination of invention：A kind of lignin modified asphalt composition and preparation method thereof；It plucks
It will：The invention discloses a kind of lignin modified asphalt compositions and preparation method thereof.The bituminous composition is by 60% ~ 98%
Residual oil and/or pitch, 1% ~ 30% lignin, 0.5% ~ 10.0% stabilizer composition, wherein stabilizer is tapped oil and/or coal tar
Oil.The present invention is stabilizer using tapped oil and/or coal tar, can make lignin uniformly, be dispersed stably in pitch, can be with
Sinking speed of the lignin in pitch is substantially reduced, the stability of lignin modified asphalt is improved, is conducive to lignin modification
The industrialized production of pitch.
Two patents mentioned above, although all having carried out being modified to obtain performance more preferably lignin modification drip to pitch
Blue or green composition, but its effect is in order to which lignin is made to be stable in the presence of in pitch, lignin and pitch do not carry out chemistry
Reaction, modified asphalt composite adhesion strength be not strong.And with the development of society, more and more building fields put forward waterproof
New requirement is gone out.In architectural waterproof material, modified bituminous pitch coiled material undoubtedly accounts for very big proportion, and is subject to the weight of people
Depending on.But modified bituminous pitch coiled material belongs to combustible material, since coiled material catches fire the report of security incident is caused also to appear in the newspapers repeatly end.Cause
This, is for this defect, the present inventor practical experience and professional knowledge abundant for many years based on such waterproof roll design is engaged in,
And coordinate the utilization of scientific principle, actively it is subject to research and innovation, using the group at silane coupling agent both ends, in lignin and pitch matrix
Between form " molecular link bridge ", acted on by chemical bonding, enhance the interface binding power of lignin and pitch, and make modified drip
Green grass or young crops coupling is into the macromolecular with reactivity, and this macromolecular plays chemical crosslink reaction jointly with concrete and physics mortise and tenon is assisted
Same cementation, and flame-retardant mixture is added in lignin modified asphalt, to found a kind of flame retardant type lignin modification drip
Modified bituminous pitch coiled material is become nonflammable material by blue or green waterproof roll and its production method from combustible material, ensures coiled material in storage, fortune
Security performance during defeated and use.
The content of the invention
For above-mentioned technological deficiency, the purpose of the present invention is develop a kind of flame-retardant wood quality modified asphalt waterproof
Coiled material and its production method using the group at silane coupling agent both ends, form " molecular link between lignin and pitch matrix
Bridge " is acted on by chemical bonding, enhances the interface binding power of lignin and pitch, and makes modified pitch coupling into anti-
The macromolecular of activity is answered, this macromolecular plays chemical crosslink reaction with concrete jointly and physics mortise and tenon cooperates with cementation, and
Flame-retardant mixture is added in lignin modified asphalt, modified bituminous pitch coiled material is become into nonflammable material from combustible material, ensures volume
Security performance of the material during storage, transport and use.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of flame-retardant wood quality modified asphalt waterproof coiled material, the waterproof roll are five layered structures, are followed successively by from top to bottom：On
Surface separation layer, upper flame-retardant modified bitumen layer, tire base, lower flame-retardant modified bitumen layer and lower surface separation layer；Described
Upper flame-retardant modified bitumen layer and lower flame-retardant modified bitumen layer are made by flame-retardant modified pitch, the flame-retardant modified
Pitch is to be prepared from the following raw materials in parts by weight：40-50 parts of phenolate lignin；20-25 parts of SBS modifier；90# asphalt
50-60 parts；5-10 parts of silane coupling agent；5-8 parts of modified nano calcium carbonate；5-8 parts of polyoxyethylene polyoxy propyl alcohol amidogen ether；Citric acid
6-9 parts；6-9 parts of aerosil；4.8-7.2 parts of flame-retardant mixture；3-5 parts of acetyl trihexyl citrate.
The upper surface separation layer is one kind in polyethylene film, precoated sand or polyesters isolation film, and lower surface isolates
Layer is polyethylene film；The tire base is one in polyester fiber non-woven fabric, HDPE film, glass fiber felt or fiberglass reinforcing polyester felt
Kind.
The preparation method of the modified nano calcium carbonate is：Nano-calcium carbonate calcium powder is dry in 115~120 DEG C of dehydrations
It is dry, it is then added in high-speed mixer, stirs and heat up, 90 DEG C stop heating, add in the chelating of nano-calcium carbonate quality 2.0%
Type titanate coupling agent KR- 201, in 90 DEG C of modified 10min；Add in one by one again nano-calcium carbonate quality 2.0% stearic acid,
0.5% coconut oil and 1% technical white oil are modified 10~15 min respectively again at 90 DEG C, shut down, discharging, obtain modification and receive
Rice calcium carbonate.
The silane coupling agent for diethylenetriamine base propyl trimethoxy silicane, gamma-aminopropyl-triethoxy-silane,
γ-ethylenediamine ethyl triethoxy silicane alkane, three tert-butoxy vinyl silanes, N- methyl -3- aminopropyl trimethoxysilanes, γ -
Methyl allyl acyloxypropyl trimethoxysilane, γ-ureidopropyltriethoxysilane, (3- aminopropyls) triethoxysilicane
One or more in alkane, N- phenyl -3- TSL 8330s.
Flame-retardant wood quality modified asphalt waterproof coiled material, production method include the following steps：
1）First prepare phenolate lignin：
Sodium lignin sulfonate is added in heating reaction kettle, adds in the phenol solution of sodium lignin sulfonate weight 60%, stirring is equal
Even, the mass concentration for adding sodium lignin sulfonate weight 3-5% is the sodium hydroxide solution of 40-50%, and stirring and dissolving is warming up to
110-120 DEG C, constant temperature be stirred to react 0.8-2 it is small when after, with hydrochloric acid adjust reaction solution pH=2-3, filter, wash filter cake with boiling water
Until no free-phenol exists, phenolate lignin is obtained；Phenolate lignin is ground into granularity less than or equal to 1 li with mill
Rice；
2）Prepare modified pitch：
90# asphalt is added in reaction heating kettle according to parts by weight, after reaction temperature is heated to 140-160 DEG C,
Add in step 1）The phenolate lignin and silane coupling agent of parts by weight, after being stirred 60-90 minutes with high-speed shearing machine, then will
The temperature of reaction kettle is warming up to 175-180 DEG C, adds in the SBS modifier of parts by weight in a kettle, and stirring is melted uniformly,
Obtain mixture A；Then in parts by weight by modified nano calcium carbonate, citric acid, aerosil, flame-retardant mixture and acetyl
Trihexyl citrate is added sequentially in mixture A, using high-speed shearing machine that the material stirring of addition is uniform, mixture B；Again
The polyoxyethylene polyoxy propyl alcohol amidogen ether of parts by weight is added in into mixture B, is mixed uniformly, by all materials in reaction kettle in height
Shearing 90~110 minutes is carried out on fast cutter again, until 90# asphalt is uniformly dispersed with unclassified stores, is made fire-retardant
Type modified pitch；
3）Through forming technology of coiled material, tire base is placed in centre, by step（2）Flame-retardant modified pitch obtained is uniformly coated on
Then the upper and lower surface of tire base is covered with upper surface separation layer and lower surface separation layer, then cooled down through cooling device, count length, cut
Finished product is packed to obtain in side, winding.
The flame-retardant mixture is the mixture of dimethyl methyl phosphonate and microencapsulated powder oil, the weight ratio of the two
For 1:2.Dimethyl methyl phosphonate（DMMP）It is New Phosphorus series additive flame retardant, with stability is good, phosphorus content is high, fire-retardant
Function admirable, can be with the special advantages such as water and a variety of immiscible organic solvents, low viscosity, and additive amount is few, easy to use, and no environment is dirty
Dye is the environmentally friendly renewal product of fire retardant.This product be widely used in the preventing fires of high molecular material, it is fire-retardant on.This product is extensive
Applied in the high molecular materials such as polyurethane foam plastics, unsaturated polyester resin, epoxy resin, polyolefin and pitch, make
Self-extinguishment, lower temperature resistance, plasticity, UV stable and the antistatic property of product are superior to add the product of other fire retardants.
Microencapsulated powder oil fire retardant is also known as efficient Wrapped up Phosphorus Fire Retardant, abbreviation CRP.Red phosphorus content >=85%, 5~10 μ of red phosphorus fineness
m.Aubergine powder, relative density 2.1, bulk density 0.6g/cm3.More difficult moisture absorption, water imbibition<1.2%.Self-ignition point >=300 DEG C.
It is good with resin and rubber mix, curing or sulfuration process are not influenced, does not release ammonia, the addition as adhesive and sealant
Type halogen-free flame retardants, is a kind of Halogen, efficient, low cigarette, harmless fire retardant, and flame retardant effect reaches V-0 grades of UL94.
The reaction principle of flame-retardant modified bitumen layer of the present invention is：Silane coupling agent is functional group there are many a kind of contain
Organic matter, the hydrolyzable alkoxy grp of its one end are connected with the phenolic hydroxyl group of phenolate lignin, vinyl, amido of the other end etc.
The carboxyl of organo-functional group and pitch connects, and forms " molecular link bridge " between phenolate lignin and pitch matrix, passes through
Chemical bonding acts on, and enhances the interface binding power of lignin and pitch, and makes pitch coupling into big point with reactivity
Son, when this macromolecular is contacted with basal plane, modified pitch molecule section forms physical absorption with concrete, and has reactivity
Chemical bonding suction-operated occurs for macromolecular and concrete, generates chemical interactions, therefore the waterproof layer that is formed and concrete
Cohesive force just greatly enhances, it is difficult to by extraneous such environmental effects.The present invention is in order to make product stabilization be not easy isolation layering, also
It needs to add modified nano calcium carbonate, aerosil and antifoaming agent etc..Research shows the sodium lignin sulfonate after phenolate
Active group is more, and organic active is high, so allows between phenolate lignin and pitch there are chemical bonds, and unprocessed
Lignin and pitch between cohere by mechanical interlocked, be only physics mortise and tenon.Therefore, phenolate treated sodium lignin sulfonate
It is improved with the interface bond strength of pitch.The modified asphalt waterproof coiled material skeleton of the present invention is lignin modified asphalt, and
By rationally adding flame retardant constituent and ratio so that modified asphalt waterproof coiled material of the invention has outstanding flame retardant property,
Lignin modified asphalt and active group effectively coordinate fire retardant, on the basis of waterproof roll performance is given full play to, anti-flammability
Can be stronger, it is suitable in the high building of requirement anti-flammability.
In the present invention, add in through chelating titanate coupling agent, stearic acid, coconut oil and technical white oil is modified receives
Rice calcium carbonate, eliminates the cohesion of nano-calcium carbonate itself, and grain size becomes smaller, and distribution is more equal, contributes to nano-calcium carbonate poly- in height
Homodisperse in object, modified nano-calcium carbonate and modified pitch bulk junction is strong with joint efforts, further improves the power of product
Learn performance.Also, by inventor the study found that modified nano-calcium carbonate hydrophobic oleophilic oil, therefore by modified nano-meter caco 3
Calcium, which is added in the modified asphalt layer of the present invention, has preferable compatibility and dispersiveness.
Present invention acetyl trihexyl citrate used when preparing flame-retardant modified pitch is micro- yellow transparent oily liquid,
Heat-resisting, cold-resistant, fast light, have excellent water-resistance with the good reproductive performance of resistance to mould, plasticizing efficiency is high, is a kind of good ring
Guarantor's type nontoxic plasticizer, with the paint film very oil resistant and tallow of its plasticising.This is used to prepare using acetyl trihexyl citrate
The lignin modified asphalt of invention, which is subsequently used for production waterproof roll, can improve the water resistance and scratch-resistant of waterproof roll, increase
Extensibility, obdurability and the adhesive force of strong waterproof roll, moreover it is possible to further improve the fungicidal properties of waterproof roll.
The polyoxyethylene polyoxy propyl alcohol amidogen ether is antifoaming agent.
The citric acid is a kind of stabilizer, can increase the stability of solution, colloid, solid, mixture.It may be used also
The effects that slow down reaction, keep chemical balance, reduce surface tension, prevent light, thermal decomposition or oxygenolysis.
Aerosil（It is commonly called as fume colloidal silica）It is through a kind of made from oxyhydrogen flame pyrohydrolysis using chlorosilane
Finely, special amorphous powder body material, product purity are high, and Average primary grain size is about 7 ~ 40nm, and specific surface area 50 ~
380m2/ g, SiO2Content >=99.8%.It is a kind of multi-functional additive, is widely used in coating, can play thickening, touch
The effects that change, delustring.In the present invention, aerosil is used as thixotropic agent, because usually in the construction process, due to
The solvent volatilization of coating edge is very fast, causes surface tension uneven, liquid is easily made to be moved to edge, and network of silica
The movement of liquid can effectively be prevented and form webbing, while also prevent the sagging phenomenon of liquid in the curing process, make painting
Layer is uniformly.Meanwhile aerosil be due to that can form hydrogen bond and the middle low-shear viscosity in raising system, so as to play thickening
Act on therefore, aerosil being widely used in oleaginous system is general.After using thixotropic agent in coating, in construction
High-rate of shear under have compared with low-viscosity, coating is contributed to flow and is easy to construct；Low sheraing speed before construction and afterwards
Have under rate compared with high viscosity, can prevent pigment sedimentation and wet film sagging.In coating system, due to the small particle of aerosil
And high surface energy, they can be adsorbed on the surface of fine paint powders, and form a surface layer in powder surface, improve point of powder
Property is dissipated, therefore can be used as dispersion aids.In same coating system, when adding in aerosil can be obviously shortened scattered
Between, improve production efficiency.Aerosil can also improve the weatherability of coating, resistance to marring, improve coating and base material it
Between bond strength.Meanwhile aerosil has extremely strong ultraviolet radiation absorption, infrared light reflection characteristic, doses in coating
The middle anti-aging property that can improve coating.
Compared with prior art, the positive effect of the present invention is：
1st, the upper flame-retardant modified bitumen layer and lower flame-retardant modified of flame-retardant wood quality of the present invention and modified asphalt waterproof coiled material
Bitumen layer is made by lignin and coupling agent modified synergic pitch, when preparing lignin and coupling agent modified synergic pitch,
Using the organic active group of silane coupling agent, the hydrolyzable alkoxy grp of its one end is connected with the phenolic hydroxyl group of phenolate lignin
It connects, the carboxyl of the organo-functional groups such as vinyl, amido of the other end and pitch connects, in phenolate lignin and pitch matrix
Between form " molecular link bridge ", acted on by chemical bonding, enhance the interface binding power of lignin and pitch, and make pitch even
The macromolecular with reactivity is unified into, when this macromolecular is contacted with basal plane, modified pitch molecule section and concrete formation
Reason absorption, and with concrete chemical bonding suction-operated occurs for the macromolecular with reactivity, generates chemical interactions, therefore
The waterproof layer of formation and the cohesive force of concrete just greatly enhance, it is difficult to by extraneous such environmental effects.The modification of the present invention
Asphalt water-proof coiled material skeleton is lignin modified asphalt, and by rationally adding flame retardant constituent and ratio so that it is of the invention
Modified asphalt waterproof coiled material has outstanding flame retardant property, and lignin modified asphalt and active group effectively coordinate fire retardant,
On the basis of giving full play to waterproof roll performance, flame retardant property is stronger, is suitable in the high building of requirement anti-flammability.The present invention
In order to which product stabilization is made to be not easy isolation layering, it is also necessary to add modified nano calcium carbonate, aerosil, antifoaming agent and acetyl
Trihexyl citrate etc..
2nd, in the present invention, used flame-retardant mixture is using phosphorus content height and the methylphosphonic acid diformazan of non-environmental-pollution
Ester, and the flame retardant property that Halogen, low cigarette, harmless microencapsulated powder oil improve product is added in formula system, ensure product
In storage, transport and the security performance using process.Therefore, product flame retardant property of the invention is good, and product uses GB 8624-
2012《Classification on burning behaviour for building materials》Fire-retardant rank is evaluated, product burning behavior class can reach non-ignitable
Grade；Used fire retardant is compounding mixed high-efficiency fire retardant, has synergistic effect, achievees the effect that flame-retardant smoke inhibition, and
Its is environmentally friendly.
3rd, after the present invention is modified pitch by SBS modifier coupling agent and sodium lignin sulfonate, obtained modification
Asphaltic nature is stablized, and adhesion strength is big；And aerosil is added, improves the weatherability and ageing resistance of asphalt system
Can, modified nano calcium carbonate is added, effectively improves the storage stability and dispersion performance of modified pitch system；Add second
Acyl trihexyl citrate enhances extensibility, obdurability and the adhesive force of waterproof roll, moreover it is possible to further improve the anti-of waterproof roll
Mouldiness energy；And be used for the modified pitch waterproof roll is made, make the tearing toughness of the waterproof roll of generation, caking property, resistance to
The performances such as aqueous, resistance to ag(e)ing and high temperature resistant are all greatly improved.
4th, the flame-retardant wood quality and modified asphalt waterproof coiled material that the present invention is prepared are used in building with building basal plane
Adhesion strength is big, good water-proof effect.Flame-retardant wood quality obtained and modified pitch are used to prepare waterproof roll by the present invention
Flame-retardant modified bitumen layer and lower flame-retardant modified bitumen layer, this two layers of flame-retardant modified bitumen layer can be common with concrete
Chemical crosslink reaction and the collaboration cementation of physics mortise and tenon are played, can wriggle during cement, concrete setting and penetrate into water
In mud gel and concrete pore, reach be tightly combined, be secured, irreversible as closely linked as flesh and blood bond effect, substantially increase
The adhesion strength of waterproof roll.And flame-retardant modified bitumen layer and flame-retardant modified bitumen layer and the bonding of concrete surface are
Irreversible, adhesion strength is big, tearing toughness is high, elongation percentage is big, even if basal plane expands with heat and contract with cold generation, displacement is even opened
It splits or adhesive surface is subject to the immersion of water and acting on for hydraulic pressure for a long time, still keep bond effect.
Specific embodiment
Embodiment 1
A kind of flame-retardant wood quality modified asphalt waterproof coiled material, the waterproof roll are five layered structures, are followed successively by from top to bottom：On
Surface separation layer, upper flame-retardant modified bitumen layer, tire base, lower flame-retardant modified bitumen layer and lower surface separation layer；Described
Upper flame-retardant modified bitumen layer and lower flame-retardant modified bitumen layer are made by flame-retardant modified pitch, the flame-retardant modified
Pitch is to be prepared from the following raw materials in parts by weight：40 parts of phenolate lignin；20 parts of SBS modifier；50 parts of 90# asphalt；
5 parts of gamma-aminopropyl-triethoxy-silane；5 parts of modified nano calcium carbonate；5 parts of polyoxyethylene polyoxy propyl alcohol amidogen ether；6 parts of citric acid；
6 parts of aerosil；1.6 parts of dimethyl methyl phosphonate；3.2 parts of microencapsulated powder oil；3 parts of acetyl trihexyl citrate.
The upper surface separation layer is polyethylene film, and lower surface separation layer is polyethylene film；The tire base is poly-
Ester fiber non-woven fabrics.
The preparation method of the modified nano calcium carbonate is：Nano-calcium carbonate calcium powder is dry in 115~120 DEG C of dehydrations
It is dry, it is then added in high-speed mixer, stirs and heat up, 90 DEG C stop heating, add in the chelating of nano-calcium carbonate quality 2.0%
Type titanate coupling agent KR-201, in 90 DEG C of modified 10min；Add in one by one again nano-calcium carbonate quality 2.0% stearic acid,
0.5% coconut oil and 1% technical white oil are modified 10~15 min respectively again at 90 DEG C, shut down, discharging, obtain modification and receive
Rice calcium carbonate.
Flame-retardant wood quality modified asphalt waterproof coiled material, production method include the following steps：
1）First prepare phenolate lignin：
Sodium lignin sulfonate is added in heating reaction kettle, adds in the phenol solution of sodium lignin sulfonate weight 60%, stirring is equal
Even, the mass concentration for adding sodium lignin sulfonate weight 3% is 40% sodium hydroxide solution, and stirring and dissolving is warming up to 110
DEG C, constant temperature be stirred to react 2 it is small when after, with hydrochloric acid adjust reaction solution pH=2-3, filter, with boiling water wash filter cake until without dissociate benzene
Phenol exists, and obtains phenolate lignin；Phenolate lignin is ground into granularity less than or equal to 1 centimetre with mill；
2）Prepare modified pitch：
90# asphalt is added in reaction heating kettle according to parts by weight, after reaction temperature is heated to 140 DEG C, is added in
Step 1）The phenolate lignin and silane coupling agent of parts by weight, after being stirred 60-90 minutes with high-speed shearing machine, then will reaction
The temperature of kettle is warming up to 175 DEG C, adds in the SBS modifier of parts by weight in a kettle, and stirring melts uniformly, obtains mixture
A；Then in parts by weight by modified nano calcium carbonate, citric acid, aerosil, flame-retardant mixture and acetyl tributyl citrate three
Own ester is added sequentially in mixture A, using high-speed shearing machine that the material stirring of addition is uniform, mixture B；Again to mixture
The polyoxyethylene polyoxy propyl alcohol amidogen ether of parts by weight is added in B, is mixed uniformly, by all materials in reaction kettle in high-speed shearing machine
On carry out shearing 90~110 minutes again, until 90# asphalt is uniformly dispersed with unclassified stores, flame-retardant modified is made and drips
It is blue or green；
3）Through forming technology of coiled material, tire base is placed in centre, by step（2）Flame-retardant modified pitch obtained is uniformly coated on
Then the upper and lower surface of tire base is covered with upper surface separation layer and lower surface separation layer, then cooled down through cooling device, count length, cut
Finished product is packed to obtain in side, winding.
Embodiment 2
A kind of flame-retardant wood quality modified asphalt waterproof coiled material, the waterproof roll are five layered structures, are followed successively by from top to bottom：On
Surface separation layer, upper flame-retardant modified bitumen layer, tire base, lower flame-retardant modified bitumen layer and lower surface separation layer；Described
Upper flame-retardant modified bitumen layer and lower flame-retardant modified bitumen layer are made by flame-retardant modified pitch, the flame-retardant modified
Pitch is to be prepared from the following raw materials in parts by weight：45 parts of phenolate lignin；23 parts of SBS modifier；55 parts of 90# asphalt；
2 parts of diethylenetriamine base propyl trimethoxy silicane；γ -3 parts of ethylenediamine ethyl triethoxy silicane alkane；Three tert-butoxy vinyl silicon
3 parts of alkane；7 parts of modified nano calcium carbonate；7 parts of polyoxyethylene polyoxy propyl alcohol amidogen ether；8 parts of citric acid；8 parts of aerosil；First
1.7 parts of base dimethyl phosphonate；3.4 parts of microencapsulated powder oil；4 parts of acetyl trihexyl citrate.
The upper surface separation layer is precoated sand, and lower surface separation layer is polyethylene film；The tire base is HDPE
Film.
The preparation method of the modified nano calcium carbonate is：Nano-calcium carbonate calcium powder is dry in 115~120 DEG C of dehydrations
It is dry, it is then added in high-speed mixer, stirs and heat up, 90 DEG C stop heating, add in the chelating of nano-calcium carbonate quality 2.0%
Type titanate coupling agent KR-201, in 90 DEG C of modified 10min；Add in one by one again nano-calcium carbonate quality 2.0% stearic acid,
0.5% coconut oil and 1% technical white oil are modified 10~15 min respectively again at 90 DEG C, shut down, discharging, obtain modification and receive
Rice calcium carbonate.
Flame-retardant wood quality modified asphalt waterproof coiled material, production method include the following steps：
1）First prepare phenolate lignin：
Sodium lignin sulfonate is added in heating reaction kettle, adds in the phenol solution of sodium lignin sulfonate weight 60%, stirring is equal
Even, the mass concentration for adding sodium lignin sulfonate weight 4% is 45% sodium hydroxide solution, and stirring and dissolving is warming up to 115
DEG C, constant temperature be stirred to react 1.4 it is small when after, with hydrochloric acid adjust reaction solution pH=2-3, filter, with boiling water wash filter cake until without dissociate
Phenol exists, and obtains phenolate lignin；Phenolate lignin is ground into granularity less than or equal to 1 centimetre with mill；
2）Prepare modified pitch：
90# asphalt is added in reaction heating kettle according to parts by weight, after reaction temperature is heated to 150 DEG C, is added in
Step 1）The phenolate lignin and silane coupling agent of parts by weight, after being stirred 60-90 minutes with high-speed shearing machine, then will reaction
The temperature of kettle is warming up to 178 DEG C, adds in the SBS modifier of parts by weight in a kettle, and stirring melts uniformly, obtains mixture
A；Then in parts by weight by modified nano calcium carbonate, citric acid, aerosil, flame-retardant mixture and acetyl tributyl citrate three
Own ester is added sequentially in mixture A, using high-speed shearing machine that the material stirring of addition is uniform, mixture B；Again to mixture
The polyoxyethylene polyoxy propyl alcohol amidogen ether of parts by weight is added in B, is mixed uniformly, by all materials in reaction kettle in high-speed shearing machine
On carry out shearing 90~110 minutes again, until 90# asphalt is uniformly dispersed with unclassified stores, flame-retardant modified is made and drips
It is blue or green；
3）Through forming technology of coiled material, tire base is placed in centre, by step（2）Flame-retardant modified pitch obtained is uniformly coated on
Then the upper and lower surface of tire base is covered with upper surface separation layer and lower surface separation layer, then cooled down through cooling device, count length, cut
Finished product is packed to obtain in side, winding.
Embodiment 3
A kind of flame-retardant wood quality modified asphalt waterproof coiled material, the waterproof roll are five layered structures, are followed successively by from top to bottom：On
Surface separation layer, upper flame-retardant modified bitumen layer, tire base, lower flame-retardant modified bitumen layer and lower surface separation layer；Described
Upper flame-retardant modified bitumen layer and lower flame-retardant modified bitumen layer are made by flame-retardant modified pitch, the flame-retardant modified
Pitch is to be prepared from the following raw materials in parts by weight：50 parts of phenolate lignin；25 parts of SBS modifier；60 parts of 90# asphalt；
3 parts of gamma-methyl allyl acyloxypropyl trimethoxysilane；3 parts of γ-ureidopropyltriethoxysilane；(3- aminopropyls) three
4 parts of Ethoxysilane；8 parts of modified nano calcium carbonate；8 parts of polyoxyethylene polyoxy propyl alcohol amidogen ether；9 parts of citric acid；Gas phase titanium dioxide
9 parts of silicon；2.4 parts of dimethyl methyl phosphonate；4.8 parts of microencapsulated powder oil；5 parts of acetyl trihexyl citrate.
The upper surface separation layer is polyesters isolation film, and lower surface separation layer is polyethylene film；The tire base
For fiberglass reinforcing polyester felt.
The preparation method of the modified nano calcium carbonate is：Nano-calcium carbonate calcium powder is dry in 115~120 DEG C of dehydrations
It is dry, it is then added in high-speed mixer, stirs and heat up, 90 DEG C stop heating, add in the chelating of nano-calcium carbonate quality 2.0%
Type titanate coupling agent KR- 201, in 90 DEG C of modified 10min；Add in one by one again nano-calcium carbonate quality 2.0% stearic acid,
0.5% coconut oil and 1% technical white oil are modified 10~15 min respectively again at 90 DEG C, shut down, discharging, obtain modification and receive
Rice calcium carbonate.
Flame-retardant wood quality modified asphalt waterproof coiled material, production method include the following steps：
1）First prepare phenolate lignin：
Sodium lignin sulfonate is added in heating reaction kettle, adds in the phenol solution of sodium lignin sulfonate weight 60%, stirring is equal
Even, the mass concentration for adding sodium lignin sulfonate weight 5% is 50% sodium hydroxide solution, and stirring and dissolving is warming up to 120
DEG C, constant temperature be stirred to react 0.8 it is small when after, with hydrochloric acid adjust reaction solution pH=2-3, filter, with boiling water wash filter cake until without dissociate
Phenol exists, and obtains phenolate lignin；Phenolate lignin is ground into granularity less than or equal to 1 centimetre with mill；
2）Prepare modified pitch：
90# asphalt is added in reaction heating kettle according to parts by weight, after reaction temperature is heated to 160 DEG C, is added in
Step 1）The phenolate lignin and silane coupling agent of parts by weight, after being stirred 60-90 minutes with high-speed shearing machine, then will reaction
The temperature of kettle is warming up to 180 DEG C, adds in the SBS modifier of parts by weight in a kettle, and stirring melts uniformly, obtains mixture
A；Then in parts by weight by modified nano calcium carbonate, citric acid, aerosil, flame-retardant mixture and acetyl tributyl citrate three
Own ester is added sequentially in mixture A, using high-speed shearing machine that the material stirring of addition is uniform, mixture B；Again to mixture
The polyoxyethylene polyoxy propyl alcohol amidogen ether of parts by weight is added in B, is mixed uniformly, by all materials in reaction kettle in high-speed shearing machine
On carry out shearing 90~110 minutes again, until 90# asphalt is uniformly dispersed with unclassified stores, flame-retardant modified is made and drips
It is blue or green；
3）Through forming technology of coiled material, tire base is placed in centre, by step（2）Flame-retardant modified pitch obtained is uniformly coated on
Then the upper and lower surface of tire base is covered with upper surface separation layer and lower surface separation layer, then cooled down through cooling device, count length, cut
Finished product is packed to obtain in side, winding.
Modified nano calcium carbonate produced by the invention and unmodified nano-calcium carbonate performance are compared, are modified
Nano-calcium carbonate reduces 48.6% than unmodified nano-calcium carbonate oil factor, and settling volume reduces 57.6%, and viscosity reduces
59.9%, bulk density reduces 16.4%, illustrates modified nano-calcium carbonate oleophilic drainage, with lignin modified asphalt phase
Capacitive is good, and bulk density becomes smaller, and illustrates that modified nano-calcium carbonate dispersion performance is good, is not easy to reunite.
Flame retardant property presses GB/T 11785-2005《The combustibility of pavement measures》It is tested for the property, such as following table.
The present invention and modified asphalt product experimental data comparison such as following table：
In the present invention, used flame-retardant mixture uses phosphorus content high and the dimethyl methyl phosphonate of non-environmental-pollution, and
In formula system add in Halogen, low cigarette, harmless microencapsulated powder oil improve product flame retardant property, ensure product storage,
Transport and the security performance using process.Therefore, product flame retardant property of the invention is good, and product uses GB 8624-2012《It builds
Build material combustion grading performance method》Fire-retardant rank is evaluated, product burning behavior class can reach non-ignitable grade；Made
Fire retardant is compounding mixed high-efficiency fire retardant, has synergistic effect, achievees the effect that flame-retardant smoke inhibition, and it is to environment
It is friendly.
The flame-retardant wood quality and modified asphalt waterproof coiled material that the present invention is prepared are used in building and building basal plane
Adhesion strength is big, good water-proof effect.Flame-retardant wood quality obtained and modified pitch are used to prepare waterproof roll by the present invention
Flame-retardant modified bitumen layer and lower flame-retardant modified bitumen layer, this two layers of flame-retardant modified bitumen layer can jointly rise with concrete
Chemical crosslink reaction and the collaboration cementation of physics mortise and tenon, can wriggle during cement, concrete setting and penetrate into cement
In gel and concrete pore, reach be tightly combined, be secured, irreversible as closely linked as flesh and blood bond effect, substantially increase anti-
The adhesion strength of water coiled material.And flame-retardant modified bitumen layer and flame-retardant modified bitumen layer and the bonding of concrete surface are not
Reversible, adhesion strength is big, tearing toughness is high, elongation percentage is big, even if basal plane, which expands with heat and contract with cold, generates displacement even cracking
Or adhesive surface is subject to the immersion of water and acting on for hydraulic pressure for a long time, still keeps bond effect.
Claims (5)
1. a kind of flame-retardant wood quality modified asphalt waterproof coiled material, it is characterised in that：The waterproof roll is five layered structures, from upper
It is followed successively by under：Upper surface separation layer, upper flame-retardant modified bitumen layer, tire base, lower flame-retardant modified bitumen layer and lower surface
Separation layer；The upper flame-retardant modified bitumen layer and lower flame-retardant modified bitumen layer are made by flame-retardant modified pitch, institute
The flame-retardant modified pitch stated is to be prepared from the following raw materials in parts by weight：40-50 parts of phenolate lignin；SBS modifier 20-25
Part；50-60 parts of 90# asphalt；5-10 parts of silane coupling agent；5-8 parts of modified nano calcium carbonate；Polyoxyethylene polyoxy Propanolamine
5-8 parts of ether；6-9 parts of citric acid；6-9 parts of aerosil；4.8-7.2 parts of flame-retardant mixture；Acetyl trihexyl citrate 3-5
Part；
The flame-retardant mixture is dimethyl methyl phosphonate and the mixture of microencapsulated powder oil, and the weight ratio of the two is 1:
2。
2. flame-retardant wood quality modified asphalt waterproof coiled material according to claim 1, it is characterised in that：The upper surface
Separation layer is one kind in polyethylene film, precoated sand or polyesters isolation film, and lower surface separation layer is polyethylene film；The tire
Base is one kind in polyester fiber non-woven fabric, HDPE film, glass fiber felt or fiberglass reinforcing polyester felt.
3. flame-retardant wood quality modified asphalt waterproof coiled material according to claim 1, it is characterised in that：The modification is received
Rice calcium carbonate preparation method be：By nano-calcium carbonate calcium powder in 115~120 DEG C of dehydration and drying, high-speed mixer is then added to
In, it stirs and heats up, 90 DEG C stop heating, add in the chelating titanate coupling agent KR- of nano-calcium carbonate quality 2.0%
201, in 90 DEG C of modified 10min；Add in stearic acid, 0.5% coconut oil and 1% work of nano-calcium carbonate quality 2.0% one by one again
Industry white oil is modified 10~15 min respectively again at 90 DEG C, shuts down, and discharging obtains modified nano calcium carbonate.
4. flame-retardant wood quality modified asphalt waterproof coiled material according to claim 1, it is characterised in that：The silane is even
Connection agent is diethylenetriamine base propyl trimethoxy silicane, gamma-aminopropyl-triethoxy-silane, γ-ethylenediamine base triethoxy
Silane, three tert-butoxy vinyl silanes, N- methyl -3- aminopropyl trimethoxysilanes, gamma-methyl allyl acyloxypropyl front three
Oxysilane, γ-ureidopropyltriethoxysilane, (3- aminopropyls) triethoxysilane, N- phenyl -3- aminopropyls three
One or more in methoxy silane.
5. flame-retardant wood quality modified asphalt waterproof coiled material, it is characterised in that：Its production method includes the following steps：
1）First prepare phenolate lignin：
Sodium lignin sulfonate is added in heating reaction kettle, adds in the phenol solution of sodium lignin sulfonate weight 60%, stirring is equal
Even, the mass concentration for adding sodium lignin sulfonate weight 3-5% is the sodium hydroxide solution of 40-50%, and stirring and dissolving is warming up to
110-120 DEG C, constant temperature be stirred to react 0.8-2 it is small when after, with hydrochloric acid adjust reaction solution pH=2-3, filter, wash filter cake with boiling water
Until no free-phenol exists, phenolate lignin is obtained；Phenolate lignin is ground into granularity less than or equal to 1 li with mill
Rice；
2）Prepare modified pitch：
90# asphalt is added in reaction heating kettle according to parts by weight, after reaction temperature is heated to 140-160 DEG C,
Add in step 1）The phenolate lignin and silane coupling agent of parts by weight, after being stirred 60-90 minutes with high-speed shearing machine, then will
The temperature of reaction kettle is warming up to 175-180 DEG C, adds in the SBS modifier of parts by weight in a kettle, and stirring is melted uniformly,
Obtain mixture A；Then in parts by weight by modified nano calcium carbonate, citric acid, aerosil, flame-retardant mixture and acetyl
Trihexyl citrate is added sequentially in mixture A, using high-speed shearing machine that the material stirring of addition is uniform, mixture B；Again
The polyoxyethylene polyoxy propyl alcohol amidogen ether of parts by weight is added in into mixture B, is mixed uniformly, by all materials in reaction kettle in height
Shearing 90~110 minutes is carried out on fast cutter again, until 90# asphalt is uniformly dispersed with unclassified stores, is made fire-retardant
Type modified pitch；
3）Through forming technology of coiled material, tire base is placed in centre, by step（2）Flame-retardant modified pitch obtained is uniformly coated on
Then the upper and lower surface of tire base is covered with upper surface separation layer and lower surface separation layer, then cooled down through cooling device, count length, cut
Finished product is packed to obtain in side, winding.
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| CN111501375A (en) * | 2020-04-30 | 2020-08-07 | 青岛悦浪建筑技术有限责任公司 | Flame-retardant modified asphalt waterproof coiled material and preparation method thereof |
| CN112663349A (en) * | 2021-01-18 | 2021-04-16 | 潍坊市宇虹防水材料(集团)有限公司 | Flame-retardant modified asphalt waterproof coiled material and preparation method thereof |
| CN114395370A (en) * | 2021-12-30 | 2022-04-26 | 苏州卓宝科技有限公司 | Sizing material for improving stripping performance and construction applicability of S-CLF YC type coiled material |
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Application publication date: 20180601 |