CN107984853A - A kind of lignin and coupling agent modified synergic asphalt water-proof coiled material and its production method - Google Patents
A kind of lignin and coupling agent modified synergic asphalt water-proof 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
- 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
- B32B11/00—Layered products comprising a layer of bituminous or tarry substances
- B32B11/04—Layered products comprising a layer of bituminous or tarry substances comprising such bituminous or tarry substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B11/046—Layered products comprising a layer of bituminous or tarry substances comprising such bituminous or tarry 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
- B32B11/00—Layered products comprising a layer of bituminous or tarry substances
- B32B11/10—Layered products comprising a layer of bituminous or tarry substances next to a fibrous or filamentary layer
-
- 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
-
- 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
-
- 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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- 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
-
- 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
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- 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
Abstract
The present invention relates to a kind of lignin and coupling agent modified synergic asphalt water-proof coiled material, which is five layered structures, is followed successively by from top to bottom:Upper surface separation layer, upper modified asphalt layer, tire basic unit, lower modified asphalt layer and lower surface separation layer;The upper modified asphalt layer and lower modified asphalt layer are made by modified pitch, and the 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.The performance 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 is all greatly improved, and has higher elongation at break, and manufacture craft is simple.
Description
Technical field
The present invention relates to a kind of polymer membranes, more particularly, to a kind of lignin and coupling agent modified synergic pitch
Waterproof roll 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 material 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 produce 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 above 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 contain substantial amounts of lignin in paper waste, therefore annual papermaking production
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
Untill, 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 ethanol, 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, it, which is efficiently used, to directly affect biology
The economic competitiveness of matter ethanol.
It is as follows that applicant retrieves the pertinent literature being modified as modifying agent to pitch 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 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, its elastic restoration ratio is high by 1.2% compared with pitch before modified, its
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;Pluck
Will:The invention discloses a kind of lignin modified asphalt composition 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 be stabilizer using tapped oil and/or coal tar, can make that lignin is uniform, is dispersed stably in pitch, can be with
The obvious sinking speed for reducing lignin in pitch, improves the stability of lignin modified asphalt, is conducive to lignin modification
The industrialized production of pitch.
Two patents mentioned above, are dripped although all to pitch be modified with obtaining performance more preferably lignin modification
Blue or green composition, but its effect is to make lignin 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.Therefore, for this defect, the present inventor is based on being engaged in such waterproof volume
Material design abundant for many years practical experience and professional knowledge, and coordinate the utilization of scientific principle, actively it is subject to research and innovation, to found
A kind of lignin and coupling agent modified synergic asphalt water-proof coiled material and its production method, can improve general existing lignin and change
Property bituminous composition, make its with more practicality and strengthen its adhesion strength.By constantly research, design, and through trying repeatedly
After making sample and improving, create finally with the high present invention of practical value and adhesion strength.
The content of the invention
For above-mentioned technological deficiency, the purpose of the present invention is develop a kind of lignin and coupling agent modified synergic drip
Blue or green waterproof roll and its production method, using the group at silane coupling agent both ends, form between lignin and pitch matrix and " divide
Sub-key bridge ", is acted on by chemical bonding, enhances the interface binding power of lignin and pitch, and makes modified pitch coupling into tool
There is the macromolecular of reactivity, this macromolecular plays chemical crosslink reaction with concrete jointly and physics mortise and tenon is cooperateed with to bond and made
With.
To achieve these goals, the technical solution adopted by the present invention is as follows:
A kind of lignin and coupling agent modified synergic asphalt water-proof coiled material, the waterproof roll are five layered structures, from top to bottom according to
It is secondary to be:Upper surface separation layer, upper modified asphalt layer, tire basic unit, lower modified asphalt layer and lower surface separation layer;The upper modification
Bitumen layer and lower modified asphalt layer are made by modified pitch, and the modified pitch is by the raw material system of following parts by weight
Into: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;Change
5-8 parts of nano-calcium carbonate of property;5-8 parts of polyoxyethylene polyoxy propyl alcohol amidogen ether;6-9 parts of citric acid;6-9 parts of aerosil.
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 basic unit 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 stops heating, add the chelating of nano-calcium carbonate quality 2.0%
Type titanate coupling agent KR- 201, in 90 DEG C of modified 10min;Add 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.
Lignin and coupling agent modified synergic asphalt water-proof coiled material, its production method include the following steps:
1)First prepare phenolate lignin:
Sodium lignin sulfonate is added in heating reaction kettle, adds 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 stirring reaction 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 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 the SBS modifier of parts by weight in a kettle, and stirring, melts uniformly,
Obtain mixture A;Then modified nano calcium carbonate, citric acid and aerosil are added sequentially to mixture in parts by weight
It is using high-speed shearing machine that the material stirring of addition is uniform in A, mixture B;The poly- of parts by weight is added into mixture B again
Ethylene oxide polyoxy propyl alcohol amidogen ether, is mixed uniformly, all materials in reaction kettle are carried out on high-speed shearing machine again shearing 90~
110 minutes, until 90# asphalt is uniformly dispersed with unclassified stores, modified pitch is made;
3)Through forming technology of coiled material, tire basic unit is placed in centre, by step(2)Obtained modified pitch is uniformly coated on tire basic unit
Upper and lower surface, be then covered with upper surface separation layer and lower surface separation layer, then cooled down through cooling device, count length, trimming, receipts
Roll up, pack to obtain finished product.
The reaction principle of bitumen layer of the present invention is:Silane coupling agent is a kind of organic matter for containing a variety of functional groups, its
The hydrolyzable alkoxy grp in one end is connected with the phenolic hydroxyl group of phenolate lignin, the organic functional such as the vinyl of the other end, amido
Group and the carboxyl of pitch connect, and form " molecular link bridge " between phenolate lignin and pitch matrix, pass through chemical bonding
Effect, enhances the interface binding power of lignin and pitch, and makes pitch coupling into the macromolecular with reactivity, this big
When molecule is contacted with basal plane, modified pitch molecule section and concrete form physical absorption, and the macromolecular with reactivity with
Chemical bonding suction-operated occurs for concrete, produces chemical interactions, therefore the waterproof layer and the cohesive force of concrete that are formed are just
Greatly enhance, it is difficult to by extraneous such environmental effects.The present invention is not easy isolation layering to stablize product, it is also necessary to adds
Modified nano calcium carbonate, aerosil and defoamer etc..Research shows, the sodium lignin sulfonate active group after phenolate
More, organic active is high, so allows between phenolate lignin and pitch there are chemical bonds, and undressed lignin
It is mechanical interlocked that dependence is cohered between pitch, is only physics mortise and tenon.Therefore, the sodium lignin sulfonate and pitch after phenolate processing
Interface bond strength is improved.
In the present invention, add 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 particle diameter diminishes, and distribution is more equal, contributes to nano-calcium carbonate poly- in height
Dispersed in thing, modified nano-calcium carbonate and modified pitch bulk junction is strong with joint efforts, further increases the power of product
Learn performance.Also, study and find by inventor, 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.
The polyoxyethylene polyoxy propyl alcohol amidogen ether is defoamer.
The citric acid is a kind of stabilizer, can increase the stability of solution, colloid, solid, mixture.It may be used also
To slow down reaction, chemical balance is kept, reduces surface tension, prevents light, thermal decomposition or oxygenolysis etc. from acting on.
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, its product purity are high, and Average primary particle diameter 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
Change, delustring etc. act on.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 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 due to can form hydrogen bond and the middle low-shear viscosity in raising system, so as to play thickening
Act on therefore, application of the aerosil in oleaginous system is very extensive.After using thixotropic agent in coating, in construction
High-rate of shear under have compared with low-viscosity, contribute to coating to flow and be 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 top layer in powder surface, improve point of powder
Property is dissipated, therefore can be used as dispersion aids.In same coating system, when adding 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 modified asphalt layer of lignin and coupling agent modified synergic asphalt water-proof coiled material of the present invention and lower modified asphalt layer are
It is made by lignin and coupling agent modified synergic pitch, when preparing lignin and coupling agent modified synergic pitch, utilizes silane
The organic active group of coupling agent, the hydrolyzable alkoxy grp of its one end are connected with the phenolic hydroxyl group of phenolate lignin, the other end
Vinyl, the carboxyl of the organo-functional group such as amido and pitch connect, formed between phenolate lignin and pitch matrix
" molecular link bridge ", is acted on by chemical bonding, enhances the interface binding power of lignin and pitch, and make pitch coupling into
The macromolecular of reactivity, when this macromolecular is contacted with basal plane, modified pitch molecule section forms physical absorption with concrete, and
With concrete chemical bonding suction-operated occurs for the macromolecular with reactivity, produces chemical interactions, therefore formed anti-
The cohesive force of water layer and concrete just greatly enhances, it is difficult to by extraneous such environmental effects.The present invention is in order to stablize product
It is not easy isolation layering, it is also necessary to add modified nano calcium carbonate, aerosil and defoamer etc..
2nd, SBS modifier, lignin and the coupling agent modified synergic asphalt water-proof coiled material that the present invention is prepared are used to build
With building that the adhesion strength of basal plane is big, good water-proof effect in building.The present invention drips obtained lignin and coupling agent modified synergic
Green grass or young crops is used to prepare the upper modified asphalt layer of waterproof roll and lower modified asphalt layer, this two layers of modified asphalt layer can be total to concrete
With chemical crosslink reaction and the collaboration cementation of physics mortise and tenon is played, it can wriggle and penetrate into during cement, concrete setting
In cement gel and concrete pore, reach be tightly combined, be firm, irreversible as closely linked as flesh and blood bond effect, greatly improve
The adhesion strength of waterproof roll.And upper modified asphalt layer and lower modified asphalt layer and the bonding of concrete surface are irreversible
, adhesion strength is big, tearing toughness is high, elongation percentage is big, produces displacement even if basal plane expands with heat and contract with cold or even cracks or glue
Junction is subject to the immersion of water and acting on for hydraulic pressure for a long time, still keeps bond effect.
3rd, after the present invention is modified pitch by using SBS modifier, coupling agent and sodium lignin sulfonate, obtain
Properties of Modified Asphalt is stablized, and adhesion strength is big;And aerosil is added, improves the weatherability of asphalt system and anti-ageing
Change performance, add modified nano calcium carbonate, effectively improve the storage stability and dispersion performance of modified pitch system;And incite somebody to action
The modified pitch is used for that waterproof roll is made, and makes the tearing toughness of the waterproof roll of generation, caking property, water resistance, ageing-resistant
The performance such as property and high temperature resistant is all greatly improved.
Embodiment
Embodiment 1
A kind of lignin and coupling agent modified synergic asphalt water-proof coiled material, the waterproof roll are five layered structures, from top to bottom according to
It is secondary to be:Upper surface separation layer, upper modified asphalt layer, tire basic unit, lower modified asphalt layer and lower surface separation layer;The upper modification
Bitumen layer and lower modified asphalt layer are made by modified pitch, and the modified pitch is by the raw material system of following parts by weight
Into:40 parts of phenolate lignin;20 parts of SBS modifier;50 parts of 90# asphalt;Diethylenetriamine base propyl trimethoxy silicane 5
Part;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.
The upper surface separation layer is polyethylene film, and lower surface separation layer is polyethylene film;The tire basic unit 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 stops heating, add the chelating of nano-calcium carbonate quality 2.0%
Type titanate coupling agent KR- 201, in 90 DEG C of modified 10min;Add 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.
Lignin and coupling agent modified synergic asphalt water-proof coiled material, its production method include the following steps:
1)First prepare phenolate lignin:
Sodium lignin sulfonate is added in heating reaction kettle, adds 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 stirring reaction 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
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 the SBS modifier of parts by weight in a kettle, stirring, melts uniformly, obtain mixture
A;Then modified nano calcium carbonate, citric acid and aerosil are added sequentially in mixture A in parts by weight, utilized
High-speed shearing machine is uniform by the material stirring of addition, mixture B;The polyoxyethylene that parts by weight are added into mixture B again gathers
Oxygen propyl alcohol amidogen ether, mixes uniformly, all materials in reaction kettle is carried out to shearing 90~110 minutes again on high-speed shearing machine,
Until 90# asphalt is uniformly dispersed with unclassified stores, modified pitch is made;
3)Through forming technology of coiled material, tire basic unit is placed in centre, by step(2)Obtained modified pitch is uniformly coated on tire basic unit
Upper and lower surface, be then covered with upper surface separation layer and lower surface separation layer, then cooled down through cooling device, count length, trimming, receipts
Roll up, pack to obtain finished product.
Embodiment 2
A kind of lignin and coupling agent modified synergic asphalt water-proof coiled material, the waterproof roll are five layered structures, from top to bottom according to
It is secondary to be:Upper surface separation layer, upper modified asphalt layer, tire basic unit, lower modified asphalt layer and lower surface separation layer;The upper modification
Bitumen layer and lower modified asphalt layer are made by modified pitch, and the modified pitch is by the raw material system of following parts by weight
Into:45 parts of phenolate lignin;23 parts of SBS modifier;55 parts of 90# asphalt;3 parts of gamma-aminopropyl-triethoxy-silane;γ-
3 parts of ethylenediamine ethyl triethoxy silicane alkane;Three 2 parts of tert-butoxy vinyl silanes;7 parts of modified nano calcium carbonate;Polyoxyethylene gathers
6 parts of oxygen propyl alcohol amidogen ether;7 parts of citric acid;8 parts of aerosil.
The upper surface separation layer is precoated sand, and lower surface separation layer is polyethylene film;The tire basic unit 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 stops heating, add the chelating of nano-calcium carbonate quality 2.0%
Type titanate coupling agent KR- 201, in 90 DEG C of modified 10min;Add 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.
Lignin and coupling agent modified synergic asphalt water-proof coiled material, its production method include the following steps:
1)First prepare phenolate lignin:
Sodium lignin sulfonate is added in heating reaction kettle, adds 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 stirring reaction 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
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 the SBS modifier of parts by weight in a kettle, stirring, melts uniformly, obtain mixture
A;Then modified nano calcium carbonate, citric acid and aerosil are added sequentially in mixture A in parts by weight, utilized
High-speed shearing machine is uniform by the material stirring of addition, mixture B;The polyoxyethylene that parts by weight are added into mixture B again gathers
Oxygen propyl alcohol amidogen ether, mixes uniformly, all materials in reaction kettle is carried out to shearing 90~110 minutes again on high-speed shearing machine,
Until 90# asphalt is uniformly dispersed with unclassified stores, modified pitch is made;
3)Through forming technology of coiled material, tire basic unit is placed in centre, by step(2)Obtained modified pitch is uniformly coated on tire basic unit
Upper and lower surface, be then covered with upper surface separation layer and lower surface separation layer, then cooled down through cooling device, count length, trimming, receipts
Roll up, pack to obtain finished product.
Embodiment 3
A kind of lignin and coupling agent modified synergic asphalt water-proof coiled material, the waterproof roll are five layered structures, from top to bottom according to
It is secondary to be:Upper surface separation layer, upper modified asphalt layer, tire basic unit, lower modified asphalt layer and lower surface separation layer;The upper modification
Bitumen layer and lower modified asphalt layer are made by modified pitch, and the modified pitch is by the raw material system of following parts by weight
Into:50 parts of phenolate lignin;25 parts of SBS modifier;60 parts of 90# asphalt;2 parts of N- methyl -3- aminopropyl trimethoxy silicon
Alkane, 2 parts of gamma-methyl allyl acyloxypropyl trimethoxysilanes, 2 parts of γ-ureidopropyltriethoxysilanes, 2 parts of (3- aminopropans
Base) triethoxysilane, 2 parts of N- phenyl -3- TSL 8330s;8 parts of modified nano calcium carbonate;Polyoxyethylene gathers
8 parts of oxygen propyl alcohol amidogen ether;9 parts of citric acid;9 parts of aerosil.
The upper surface separation layer is polyesters isolation film, and lower surface separation layer is polyethylene film;The tire basic unit
For glass fiber 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 stops heating, add the chelating of nano-calcium carbonate quality 2.0%
Type titanate coupling agent KR- 201, in 90 DEG C of modified 10min;Add 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.
Lignin and coupling agent modified synergic asphalt water-proof coiled material, its production method include the following steps:
1)First prepare phenolate lignin:
Sodium lignin sulfonate is added in heating reaction kettle, adds 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 stirring reaction 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
Step 1)The phenolate lignin of parts by weight and the N- methyl -3- aminopropyl trimethoxysilanes of above-mentioned parts by weight, γ-first
Base acryloxypropyl trimethoxy silane, γ-ureidopropyltriethoxysilane, (3- aminopropyls) triethoxysilane
With N- phenyl -3- TSL 8330s, after being stirred 60-90 minutes with high-speed shearing machine, then the temperature by reaction kettle
180 DEG C are warming up to, adds the SBS modifier of parts by weight in a kettle, stirring, melts uniformly, obtain mixture A;Then press
Modified nano calcium carbonate, citric acid and aerosil are added sequentially in mixture A by parts by weight, utilize high speed shear
Machine is uniform by the material stirring of addition, mixture B;The polyoxyethylene polyoxy Propanolamine of parts by weight is added into mixture B again
Ether, mixes uniformly, all materials in reaction kettle is carried out to shearing 90~110 minutes again on high-speed shearing machine, until 90# stones
Oil asphalt is uniformly dispersed with unclassified stores, and modified pitch is made;
3)Through forming technology of coiled material, tire basic unit is placed in centre, by step(2)Obtained modified pitch is uniformly coated on tire basic unit
Upper and lower surface, be then covered with upper surface separation layer and lower surface separation layer, then cooled down through cooling device, count length, trimming, receipts
Roll up, pack to obtain finished product.
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%, illustrate modified nano-calcium carbonate oleophilic drainage, is assisted with lignin and coupling agent
It is good with modified pitch compatibility, and bulk density diminishes, and illustrates that modified nano-calcium carbonate dispersion performance is good, the group of being not easy
It is poly-.
The present invention and modified asphalt product experimental data contrast such as following table:
From above-mentioned data, SBS modifier, lignin and the coupling agent modified synergic asphalt waterproofing volume that the present invention is prepared
Timber-used big, good water-proof effect with the adhesion strength of building basal plane in building.The present invention assists obtained lignin and coupling agent
The upper modified asphalt layer of waterproof roll and lower modified asphalt layer are used to prepare with modified pitch, this two layers of modified asphalt layer can be with
Concrete plays chemical crosslink reaction and the collaboration cementation of physics mortise and tenon jointly, can be compacted during cement, concrete setting
It is dynamic to penetrate into cement gel and concrete pore, reach be tightly combined, be firm, irreversible as closely linked as flesh and blood bond effect,
Substantially increase the adhesion strength of waterproof roll.And upper modified asphalt layer and lower modified asphalt layer and the bonding of concrete surface
It is irreversible, adhesion strength is big, tearing toughness is high, elongation percentage is big, even if basal plane, which expands with heat and contract with cold, produces displacement even
Cracking or adhesive surface are subject to the immersion of water and acting on for hydraulic pressure for a long time, still keep bond effect.
Claims (5)
1. a kind of lignin and coupling agent modified synergic asphalt water-proof coiled material, it is characterised in that:The waterproof roll is five laminar knots
Structure, is followed successively by from top to bottom:Upper surface separation layer, upper modified asphalt layer, tire basic unit, lower modified asphalt layer and lower surface isolation
Layer;The upper modified asphalt layer and lower modified asphalt layer are made by modified pitch, and the modified pitch is by following heavy
The raw material of amount number is made:40-50 parts of phenolate lignin;20-25 parts of SBS modifier;50-60 parts of 90# asphalt;Silane is even
Join 5-10 parts of agent;5-8 parts of modified nano calcium carbonate;5-8 parts of polyoxyethylene polyoxy propyl alcohol amidogen ether;6-9 parts of citric acid;Gas phase dioxy
6-9 parts of SiClx.
2. lignin according to claim 1 and coupling agent modified synergic asphalt water-proof coiled material, it is characterised in that:Described
Upper surface separation layer is one kind in polyethylene film, precoated sand or polyesters isolation film, and lower surface separation layer is polyethylene film;Institute
The tire basic unit stated is one kind in polyester fiber non-woven fabric, HDPE film, glass fiber felt or fiberglass reinforcing polyester felt.
3. lignin according to claim 1 and coupling agent modified synergic asphalt water-proof coiled material, it is characterised in that:Described
The preparation method of modified nano calcium carbonate is:By nano-calcium carbonate calcium powder in 115~120 DEG C of dehydration and drying, it is then added at a high speed
In mixer, stir and heat up, 90 DEG C stop heating, add the chelating titanate coupling agent of nano-calcium carbonate quality 2.0%
KR- 201, in 90 DEG C of modified 10min;Add stearic acid, 0.5% coconut oil and 1% of nano-calcium carbonate quality 2.0% one by one again
Technical white oil, at 90 DEG C again respectively be modified 10~15 min, shut down, discharging, obtain modified nano calcium carbonate.
4. lignin according to claim 1 and coupling agent modified synergic asphalt water-proof coiled material, it is characterised in that:Described
Silane coupling agent is diethylenetriamine base propyl trimethoxy silicane, gamma-aminopropyl-triethoxy-silane, γ-ethylenediamine base three
Ethoxysilane, three tert-butoxy vinyl silanes, N- methyl -3- aminopropyl trimethoxysilanes, γ-methacryloxypropyl third
Base trimethoxy silane, γ-ureidopropyltriethoxysilane, (3- aminopropyls) triethoxysilane, N- phenyl -3- amino
One or more in propyl trimethoxy silicane.
5. lignin and coupling agent modified synergic asphalt water-proof 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 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 stirring reaction 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 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 the SBS modifier of parts by weight in a kettle, and stirring, melts uniformly,
Obtain mixture A;Then modified nano calcium carbonate, citric acid and aerosil are added sequentially to mixture in parts by weight
It is using high-speed shearing machine that the material stirring of addition is uniform in A, mixture B;The poly- of parts by weight is added into mixture B again
Ethylene oxide polyoxy propyl alcohol amidogen ether, is mixed uniformly, all materials in reaction kettle are carried out on high-speed shearing machine again shearing 90~
110 minutes, until 90# asphalt is uniformly dispersed with unclassified stores, modified pitch is made;
3)Through forming technology of coiled material, tire basic unit is placed in centre, by step(2)Obtained modified pitch is uniformly coated on tire basic unit
Upper and lower surface, be then covered with upper surface separation layer and lower surface separation layer, then cooled down through cooling device, count length, trimming, receipts
Roll up, pack to obtain finished product.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111040459A (en) * | 2019-11-29 | 2020-04-21 | 广东诚泰投资有限公司 | Ageing-resistant road asphalt mixture |
CN112895527A (en) * | 2021-03-02 | 2021-06-04 | 潍坊市宇虹防水材料(集团)有限公司 | Preparation method of high-temperature-resistant modified asphalt waterproof coiled material and waterproof coiled material |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104592530A (en) * | 2015-01-05 | 2015-05-06 | 广西民族大学 | Preparation method of phenolated lignin amine cationic emulsifier |
CN106118136A (en) * | 2016-06-28 | 2016-11-16 | 安徽华宇管道制造有限公司 | A kind of processing technique of modified calcium carbonate |
CN107175870A (en) * | 2016-03-09 | 2017-09-19 | 广西金雨伞防水装饰有限公司 | Strengthen the modified asphalt waterproof coiled material and its production method of overlap edge |
-
2017
- 2017-11-21 CN CN201711168889.4A patent/CN107984853A/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104592530A (en) * | 2015-01-05 | 2015-05-06 | 广西民族大学 | Preparation method of phenolated lignin amine cationic emulsifier |
CN107175870A (en) * | 2016-03-09 | 2017-09-19 | 广西金雨伞防水装饰有限公司 | Strengthen the modified asphalt waterproof coiled material and its production method of overlap edge |
CN106118136A (en) * | 2016-06-28 | 2016-11-16 | 安徽华宇管道制造有限公司 | A kind of processing technique of modified calcium carbonate |
Non-Patent Citations (1)
Title |
---|
王中平等: "《表面物理化学》", 30 September 2015 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111040459A (en) * | 2019-11-29 | 2020-04-21 | 广东诚泰投资有限公司 | Ageing-resistant road asphalt mixture |
CN112895527A (en) * | 2021-03-02 | 2021-06-04 | 潍坊市宇虹防水材料(集团)有限公司 | Preparation method of high-temperature-resistant modified asphalt waterproof coiled material and waterproof coiled material |
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