CN106186839A - A kind of cold-resistant slow release stores the preparation method of salt material filler - Google Patents
A kind of cold-resistant slow release stores the preparation method of salt material filler Download PDFInfo
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- CN106186839A CN106186839A CN201610568575.2A CN201610568575A CN106186839A CN 106186839 A CN106186839 A CN 106186839A CN 201610568575 A CN201610568575 A CN 201610568575A CN 106186839 A CN106186839 A CN 106186839A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
- C04B40/0046—Premixtures of ingredients characterised by their processing, e.g. sequence of mixing the ingredients when preparing the premixtures
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
- C04B2103/0077—Packaging material remaining in the mixture after the mixing step, e.g. soluble bags containing active ingredients
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
Abstract
The invention discloses a kind of cold-resistant slow release and store the preparation method of salt material filler, belong to cold-resistant slow release and store salt material preparing technical field.Storage salt material tolerance to cold for existing preparation is poor, persistent low temperature is the highest, it is suitable only for the half-dried district of winter-warm syndrome, winter-warm syndrome humid region, be not suitable for winter severe cold humid region and the problem in the half-dried district of winter severe cold, by collecting lactic acid bacteria in fresh fish intestinal, low temperature resistant antibacterial is prepared in screening subsequently, preparation compound with vegetable active charcoal, again by starch is combined with polylactic acid, at low ambient temperatures by low temperature resistant bacterial decomposition slow release salinity, it is notable that cold-resistant slow release prepared by the present invention stores the low temperature resistant effect of salt material filler, can be low temperature resistant to 30～25 DEG C, service life, relatively same type of material provided 15～20%, and the exposed rate of salinity is up to 98%, and preparation process is simple, safe green is pollution-free.
Description
Technical field
The invention discloses a kind of cold-resistant slow release and store the preparation method of salt material filler, belong to cold-resistant slow release and store salt material system
Standby technical field.
Background technology
Owing to the weather that winter is cold causes the frequent accumulated snow in road surface to freeze, and thus cause coefficient of road adhesion decline, vapour
The problems such as car skidding, direction out of control, cause serious traffic problems, bring the biggest impact to the coast is clear and traffic safety, because of
This, in order to reduce road accident rate, guarantee road traffic safety is with unimpeded, and improves the overall operational efficiency of road and current energy
Power, it is necessary to use various measure and means road pavement ice and snow to be purged.Avenging problem for road surface deicing, various countries are the most very
Pay attention to, and made numerous studies, explore various roads deicing method, can be divided mainly into passive type and active two big classes.
Passive type snow-removing method refers to rely on extraneous road pavement, and applying effect makes the method that ice and snow on road surfaces is removed, and can be divided into physics, change
, mechanical three classes.Active snow-removing method is the special tectonic characteristic or mechanical characteristic utilizing road surface itself to be had, it is not necessary to outer
The assosting effect on boundary, can actively remove road snow and the technology of solidifying ice under the repeated action of normal traffic load.
In recent years, actively deicing technology increasingly obtains the attention of various countries' traffic and scientific research department, new active deicing
Snow technology the most constantly emerges, and wherein, stores salt pavement technique as a kind of novel environmentally friendly active deicing
Technology, has caused the concern of domestic and international traffic study person.Store salt pavement technique to refer to by different processing technique ice
Point depressant processes, and is molded into granule or the powder of different-grain diameter, the mineral aggregate of different-grain diameter in replacing asphalt compound,
Making bituminous paving have actively deicing, but the storage salt material tolerance to cold of existing preparation is poor, persistent low temperature is the highest,
It is suitable only for the half-dried district of winter-warm syndrome, winter-warm syndrome humid region, is not suitable for winter severe cold humid region and the half-dried district of winter severe cold, so preparation one
Effective low temperature resistant storage salt material is necessary.
Summary of the invention
The technical problem that present invention mainly solves: the storage salt material tolerance to cold for existing preparation is poor, low temperature resistant holds
For a long time property is the highest, is suitable only for the half-dried district of winter-warm syndrome, winter-warm syndrome humid region, is not suitable for asking of winter severe cold humid region and the half-dried district of winter severe cold
Topic, it is provided that a kind of by collecting lactic acid bacteria in fresh fish intestinal, low temperature resistant antibacterial is prepared in screening subsequently, is combined with vegetable active charcoal
Preparation, then by starch is combined with polylactic acid, at low ambient temperatures by low temperature resistant bacterial decomposition slow release salinity, effectively
Going deicing, the storage salt material tolerance to cold solving existing preparation is poor, and persistent low temperature is the highest, is suitable only for winter-warm syndrome
Half-dried district, winter-warm syndrome humid region, be not suitable for winter severe cold humid region and the problem in the half-dried district of winter severe cold.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is:
(1) collect fresh cold water fish intestinal, 1:10 in mass ratio, fish intestinal and sterilized water are placed in sterilizing conical flask, 200～
Under 300W, oscillation treatment 10～15min, filter subsequently and collect filtrate, are prepared into cold water fish low temperature intestinal, standby；
(2) count by weight, choose 45～50 parts of glucoses, 10～15 parts of starch, 7～10 parts of potassium phosphates, 3～10 parts of sulphuric acid
Magnesium and 1～2 part of vitamin B1Being placed in beaker with 35～40 parts of agar, stirring mixing is placed in heat sterilization at 100～105 DEG C
Process 10～15min, stand subsequently and be cooled to room temperature, be prepared into solid medium；
(3) 1:10 in mass ratio, cold water fish low temperature intestinal step (1) prepared is seeded to the solid medium of above-mentioned preparation
On, cultivate 3～5 days at-30～-25 DEG C, filter subsequently and collect filtrate, be prepared into screening activation bacterium solution；
(4) collecting corn straw, cleaned and dry, at 250～300 DEG C, carbonization processes 3～5h subsequently, and standing is cooled to
Room temperature, is prepared into vegetable active charcoal, the most in mass ratio 1:1, the screening of above-mentioned preparation is activated bacterium solution and stirs with vegetable active charcoal
Mix mixing, lyophilization 6～8h at-30～-25 DEG C, it is prepared into cryofixation pyschrophile, standby；
(5) count by weight, respectively by 25～30 parts of corn starchs, 45～50 parts of polylactic resin, 5～10 parts of epoxy soybeans
Oil stirring mixing is placed in double screw extruder, and controlling double screw extruder draw ratio is 40:1, and extruder head temperature is 150
～165 DEG C, screw speed is 100r/min, after machine to be extruded is extruded completely, extruded stock blank standing is cooled to room temperature, system
For obtaining composite resin particle；
(6) count by weight, weigh cryofixation low temperature prepared by 10～15 parts of sodium chloride, 35～50 parts of steps (4) respectively
The composite resin particle of bacterium, 45～50 parts of deionized waters and 25～30 parts of above-mentioned preparations is placed in ball mill, 450～500r/
Ball milling 3～5h under min, collect subsequently ball milling slurry be placed in-30～-25 DEG C at lyophilization 6～8h, to be frozen be dried
After, it milled and sieves, collecting 100～110 mesh mixed-powders and can be prepared into a kind of cold-resistant slow release storage salt material filler.
The application process of the present invention is: Colophonium is heated at constant temperature about 45～60min at 150～160 DEG C, subsequently by above-mentioned system
Standby cold slow release stores salt material filler and is placed at 105～110 DEG C dry 2～3h, 1:2 the most in mass ratio, will be dried cold-resistant slow
Release storage salt material filler and mix 15～20min with heated asphalt stirring, stand subsequently and be laid to road.
The invention has the beneficial effects as follows:
(1) it is notable that the cold-resistant slow release that prepared by the present invention stores the low temperature resistant effect of salt material filler, can be low temperature resistant to-30～-25 DEG C, makes
There is provided 15～20% by life-span relatively same type of material, and the exposed rate of salinity is up to 98%；
(2) preparation process of the present invention is simple, and safe green is pollution-free.
Detailed description of the invention
First collect fresh cold water fish intestinal, 1:10 in mass ratio, fish intestinal and sterilized water are placed in sterilizing conical flask,
Under 200～300W, oscillation treatment 10～15min, filter subsequently and collect filtrate, are prepared into cold water fish low temperature intestinal, standby；
Count by weight, choose 45～50 parts of glucoses, 10～15 parts of starch, 7～10 parts of potassium phosphates, 3～10 parts of magnesium sulfate and 1～
2 parts of vitamin Bs1Being placed in beaker with 35～40 parts of agar, stirring mixing is placed in heat sterilization at 100～105 DEG C and processes 10
～15min, stand subsequently and be cooled to room temperature, be prepared into solid medium；1:10 in mass ratio, cold water prepared by step (1)
Fish low temperature intestinal is seeded on the solid medium of above-mentioned preparation, cultivates 3～5 days, filter subsequently also at-30～-25 DEG C
Collect filtrate, be prepared into screening activation bacterium solution；Collect corn straw, cleaned and dry, subsequently charcoal at 250～300 DEG C
Change processes 3～5h, stands and is cooled to room temperature, is prepared into vegetable active charcoal, the most in mass ratio 1:1, by the screening of above-mentioned preparation
Activation bacterium solution mixes with the stirring of vegetable active charcoal, and lyophilization 6～8h at-30～-25 DEG C is prepared into cryofixation low temperature
Bacterium, standby；Count by weight, respectively by big to 25～30 parts of corn starchs, 45～50 parts of polylactic resin, 5～10 parts of epoxies
Oleum Glycines stirring mixing is placed in double screw extruder, and controlling double screw extruder draw ratio is 40:1, and extruder head temperature is
150～165 DEG C, screw speed is 100r/min, after machine to be extruded is extruded completely, extruded stock blank standing is cooled to room
Temperature, is prepared into composite resin particle；Count by weight, weigh 10～15 parts of sodium chloride, 35～50 parts of steps (4) respectively and prepare
The composite resin particle of cryofixation pyschrophile, 45～50 parts of deionized waters and 25～30 parts of above-mentioned preparations be placed in ball mill
In, ball milling 3～5h under 450～500r/min, subsequently collect ball milling slurry be placed in-30～-25 DEG C at lyophilization 6～
8h, to be frozen be dried after, it milled and sieve, collecting 100～110 mesh mixed-powders and can be prepared into a kind of cold-resistant slow
Release storage salt material filler.
Example 1
First collect fresh cold water fish intestinal, 1:10 in mass ratio, fish intestinal and sterilized water are placed in sterilizing conical flask, at 200W
Lower oscillation treatment 10min, filters subsequently and collects filtrate, is prepared into cold water fish low temperature intestinal, standby；Count by weight,
Choose 45 parts of glucoses, 10 parts of starch, 7 parts of potassium phosphates, 3 parts of magnesium sulfate and 1 part of vitamin B1It is placed in beaker with 35 parts of agar,
Stirring mixing is placed in heat sterilization at 100 DEG C and processes 10min, stands subsequently and is cooled to room temperature, is prepared into solid medium；Press
Mass ratio 1:10, is seeded to cold water fish low temperature intestinal on the solid medium of above-mentioned preparation, cultivates 3 days at-30 DEG C, with
Rear filtration also collects filtrate, is prepared into screening activation bacterium solution；Collect corn straw, cleaned and dry, subsequently at 250 DEG C
Carbonization processes 3h, stands and is cooled to room temperature, is prepared into vegetable active charcoal, the most in mass ratio 1:1, the screening of above-mentioned preparation is lived
Change bacterium solution to mix with the stirring of vegetable active charcoal, lyophilization 6h at-30 DEG C, be prepared into cryofixation pyschrophile, standby；By weight
25 parts of corn starchs, 45 parts of polylactic resin, 5 parts of epoxy soybean oil stirring mixing are placed in twin screw by amount number meter respectively
In extruder, controlling double screw extruder draw ratio is 40:1, and extruder head temperature is 150 DEG C, and screw speed is 100r/min,
After machine to be extruded is extruded completely, extruded stock blank standing are cooled to room temperature, are prepared into composite resin particle；By weight
Meter, weighs 10 parts of sodium chloride, 35 parts of cryofixation pyschrophiles, 45 parts of deionized waters and the composite resin of 25 parts of above-mentioned preparations respectively
Granule is placed in ball mill, ball milling 3h under 450r/min, collects ball milling slurry subsequently and is placed in lyophilization 6h at-30 DEG C,
To be frozen be dried after, it milled and sieve, collecting 100 mesh mixed-powders and can be prepared into a kind of cold-resistant slow release and store salt material
Material filler.
Colophonium is heated at constant temperature about 45min at 150 DEG C, subsequently the cold slow release of above-mentioned preparation is stored salt material filler and is placed in
It is dried 2h, the most in mass ratio 1:2 at 105 DEG C, cold-resistant slow release storage salt material filler will be dried and mix with heated asphalt stirring
15min, stands subsequently and is laid to road.
Example 2
First collect fresh cold water fish intestinal, 1:10 in mass ratio, fish intestinal and sterilized water are placed in sterilizing conical flask, at 250W
Lower oscillation treatment 12min, filters subsequently and collects filtrate, is prepared into cold water fish low temperature intestinal, standby；Count by weight,
Choose 47 parts of glucoses, 12 parts of starch, 8 parts of potassium phosphates, 7 parts of magnesium sulfate and 1 part of vitamin B1It is placed in beaker with 37 parts of agar,
Stirring mixing is placed in heat sterilization at 102 DEG C and processes 12min, stands subsequently and is cooled to room temperature, is prepared into solid medium；Press
Mass ratio 1:10, is seeded to cold water fish low temperature intestinal on the solid medium of above-mentioned preparation, cultivates 4 days at-27 DEG C, with
Rear filtration also collects filtrate, is prepared into screening activation bacterium solution；Collect corn straw, cleaned and dry, subsequently at 275 DEG C
Carbonization processes 4h, stands and is cooled to room temperature, is prepared into vegetable active charcoal, the most in mass ratio 1:1, the screening of above-mentioned preparation is lived
Change bacterium solution to mix with the stirring of vegetable active charcoal, lyophilization 7h at-27 DEG C, be prepared into cryofixation pyschrophile, standby；By weight
27 parts of corn starchs, 47 parts of polylactic resin, 7 parts of epoxy soybean oil stirring mixing are placed in twin screw by amount number meter respectively
In extruder, controlling double screw extruder draw ratio is 40:1, and extruder head temperature is 157 DEG C, and screw speed is 100r/min,
After machine to be extruded is extruded completely, extruded stock blank standing are cooled to room temperature, are prepared into composite resin particle；By weight
Meter, weighs 12 parts of sodium chloride, 37 parts of cryofixation pyschrophiles, 47 parts of deionized waters and the composite resin of 27 parts of above-mentioned preparations respectively
Granule is placed in ball mill, ball milling 4h under 475r/min, collects ball milling slurry subsequently and is placed in lyophilization 7h at-27 DEG C,
To be frozen be dried after, it milled and sieve, collecting 105 mesh mixed-powders and can be prepared into a kind of cold-resistant slow release and store salt material
Material filler.
Colophonium is heated at constant temperature about 55min at 155 DEG C, subsequently the cold slow release of above-mentioned preparation is stored salt material filler and is placed in
It is dried 3h, the most in mass ratio 1:2 at 107 DEG C, cold-resistant slow release storage salt material filler will be dried and mix with heated asphalt stirring
17min, stands subsequently and is laid to road.
Example 3
First collect fresh cold water fish intestinal, 1:10 in mass ratio, fish intestinal and sterilized water are placed in sterilizing conical flask, at 300W
Lower oscillation treatment 15min, filters subsequently and collects filtrate, is prepared into cold water fish low temperature intestinal, standby；Count by weight,
Choose 50 parts of glucoses, 15 parts of starch, 10 parts of potassium phosphates, 10 parts of magnesium sulfate and 2 parts of vitamin Bs1It is placed in beaker with 40 parts of agar
In, stirring mixing is placed in heat sterilization at 105 DEG C and processes 15min, stands subsequently and is cooled to room temperature, is prepared into solid culture
Base；1:10 in mass ratio, is seeded to cold water fish low temperature intestinal on the solid medium of above-mentioned preparation, cultivates 5 at-25 DEG C
My god, filter subsequently and collect filtrate, being prepared into screening activation bacterium solution；Collect corn straw, cleaned and dry, existing subsequently
At 300 DEG C, carbonization processes 5h, stands and is cooled to room temperature, is prepared into vegetable active charcoal, the most in mass ratio 1:1, by above-mentioned preparation
Screening activation bacterium solution and vegetable active charcoal stir and mix, lyophilization 8h at-25 DEG C, be prepared into cryofixation pyschrophile,
Standby；Count by weight, respectively by 30 parts of corn starchs, 50 parts of polylactic resin, 10 parts of epoxy soybean oil stirring mixing also
Being placed in double screw extruder, controlling double screw extruder draw ratio is 40:1, and extruder head temperature is 165 DEG C, screw speed
For 100r/min, after machine to be extruded is extruded completely, extruded stock blank standing are cooled to room temperature, are prepared into composite resin
Grain；Count by weight, weigh 15 parts of sodium chloride, 50 parts of cryofixation pyschrophiles, 50 parts of deionized waters and 30 parts respectively above-mentioned
The composite resin particle of preparation is placed in ball mill, ball milling 5h under 500r/min, collects ball milling slurry subsequently and is placed in-25 DEG C
Lower lyophilization 8h, to be frozen be dried after, it milled and sieve, collecting 110 mesh mixed-powders and can be prepared into one
Cold-resistant slow release stores salt material filler.
Colophonium is heated at constant temperature about 60min at 160 DEG C, subsequently the cold slow release of above-mentioned preparation is stored salt material filler and is placed in
It is dried 3h, the most in mass ratio 1:2 at 110 DEG C, cold-resistant slow release storage salt material filler will be dried and mix with heated asphalt stirring
20min, stands subsequently and is laid to road.
Claims (1)
1. the preparation method of a cold-resistant slow release storage salt material filler, it is characterised in that concrete preparation process is:
(1) collect fresh cold water fish intestinal, 1:10 in mass ratio, fish intestinal and sterilized water are placed in sterilizing conical flask, 200～
Under 300W, oscillation treatment 10～15min, filter subsequently and collect filtrate, are prepared into cold water fish low temperature intestinal, standby；
(2) count by weight, choose 45～50 parts of glucoses, 10～15 parts of starch, 7～10 parts of potassium phosphates, 3～10 parts of sulphuric acid
Magnesium and 1～2 part of vitamin B1Being placed in beaker with 35～40 parts of agar, stirring mixing is placed in heat sterilization at 100～105 DEG C
Process 10～15min, stand subsequently and be cooled to room temperature, be prepared into solid medium；
(3) 1:10 in mass ratio, cold water fish low temperature intestinal step (1) prepared is seeded to the solid medium of above-mentioned preparation
On, cultivate 3～5 days at-30～-25 DEG C, filter subsequently and collect filtrate, be prepared into screening activation bacterium solution；
(4) collecting corn straw, cleaned and dry, at 250～300 DEG C, carbonization processes 3～5h subsequently, and standing is cooled to
Room temperature, is prepared into vegetable active charcoal, the most in mass ratio 1:1, the screening of above-mentioned preparation is activated bacterium solution and stirs with vegetable active charcoal
Mix mixing, lyophilization 6～8h at-30～-25 DEG C, it is prepared into cryofixation pyschrophile, standby；
(5) count by weight, respectively by 25～30 parts of corn starchs, 45～50 parts of polylactic resin, 5～10 parts of epoxy soybeans
Oil stirring mixing is placed in double screw extruder, and controlling double screw extruder draw ratio is 40:1, and extruder head temperature is 150
～165 DEG C, screw speed is 100r/min, after machine to be extruded is extruded completely, extruded stock blank standing is cooled to room temperature, system
For obtaining composite resin particle；
(6) count by weight, weigh cryofixation low temperature prepared by 10～15 parts of sodium chloride, 35～50 parts of steps (4) respectively
The composite resin particle of bacterium, 45～50 parts of deionized waters and 25～30 parts of above-mentioned preparations is placed in ball mill, 450～500r/
Ball milling 3～5h under min, collect subsequently ball milling slurry be placed in-30～-25 DEG C at lyophilization 6～8h, to be frozen be dried
After, it milled and sieves, collecting 100～110 mesh mixed-powders and can be prepared into a kind of cold-resistant slow release storage salt material filler.
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| CN201610568575.2A CN106186839A (en) | 2016-07-19 | 2016-07-19 | A kind of cold-resistant slow release stores the preparation method of salt material filler |
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| CN201610568575.2A CN106186839A (en) | 2016-07-19 | 2016-07-19 | A kind of cold-resistant slow release stores the preparation method of salt material filler |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786834A (en) * | 2010-01-25 | 2010-07-28 | 重庆鹏方路面工程技术研究院有限公司 | Porous salt storage aggregate and preparation method thereof |
| CN102408872A (en) * | 2011-09-20 | 2012-04-11 | 武汉理工大学 | Salt-storing deicing material special for asphalt pavement and preparation method thereof |
| CN103030314A (en) * | 2012-12-31 | 2013-04-10 | 哈尔滨工业大学 | Preparation method of bituminous mixture controlled-release complex salt filler |
| CN104327341A (en) * | 2014-11-25 | 2015-02-04 | 江苏省交通科学研究院股份有限公司 | Sustained-release type elastic de-icing additive as well as preparation method and application thereof |
-
2016
- 2016-07-19 CN CN201610568575.2A patent/CN106186839A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786834A (en) * | 2010-01-25 | 2010-07-28 | 重庆鹏方路面工程技术研究院有限公司 | Porous salt storage aggregate and preparation method thereof |
| CN102408872A (en) * | 2011-09-20 | 2012-04-11 | 武汉理工大学 | Salt-storing deicing material special for asphalt pavement and preparation method thereof |
| CN103030314A (en) * | 2012-12-31 | 2013-04-10 | 哈尔滨工业大学 | Preparation method of bituminous mixture controlled-release complex salt filler |
| CN104327341A (en) * | 2014-11-25 | 2015-02-04 | 江苏省交通科学研究院股份有限公司 | Sustained-release type elastic de-icing additive as well as preparation method and application thereof |
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Application publication date: 20161207 |