CN107501970A - A kind of porous light pitch damping material and its application - Google Patents
A kind of porous light pitch damping material and its application Download PDFInfo
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- CN107501970A CN107501970A CN201710941583.1A CN201710941583A CN107501970A CN 107501970 A CN107501970 A CN 107501970A CN 201710941583 A CN201710941583 A CN 201710941583A CN 107501970 A CN107501970 A CN 107501970A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2395/00—Bituminous materials, e.g. asphalt, tar or pitch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2275—Ferroso-ferric oxide (Fe3O4)
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
-
- 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
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The sheet material that the present invention proposes a kind of porous light pitch damping material and its shaping obtains, using the composition containing raw materials such as pitch, modifying agent, filler, plasticizer, foaming agent, blowing control agents, the techniques such as blended, mixing, extrusion, the damping sheets of shaping.Because it adds expanded material, therefore foaming effect can be produced in the manufacturing process of damping sheets or during user's use, sheet material is set finally to contain loose structure, play more preferable damping action and lighter, it can be widely applied to the fields such as the vehicles, plant equipment, electrical equipment, it is covered on the tabular face of items, plays the effect such as sound insulation, vibration damping, heat-insulated, reinforcement, waterproof.
Description
Technical field
The present invention relates to pitch damping material technical field, and in particular to a kind of porous light pitch damping material and its piece
The preparation method of material.
Background technology
Noise and vibration is the typical unfavorable factor of the vehicles such as automobile, plant equipment, electrical equipment etc., and damping fin uses energy
Greatly weaken this adverse effect, typically specifically damping fin is covered on the tabular face of items, the material of damping fin
Have a variety of, but pitch damping fin will be used largely because of its huge low-cost advantage.But the pitch damping fin used at present
Material, because its reasons in structure, Gu being substantially made up of finer and close powder/object, its proportion is larger, by taking automobile as an example, typically
Bicycle dosage is even up to 30Kg from 1~15Kg, a small amount of luxury models, for the increasingly strict Abgasgesetz of car industry,
Lightweight is the developing direction of automobile, and the damping material of so weight is obviously its great deficiency.
Chinese patent (Publication No. 101654561B, Patent No. 200410035402.1) individually discloses a kind of automobile-used
Pitch damping material, but porous, light structures damping materials are not directed to, also it is not directed to the critical materials of this material：Foaming
Still there is great deficiency in terms of agent, blowing control agents, its damping and proportion.
Chinese patent (Publication No. 104874376A) discloses a kind of pitch porous material, possesses loose structure, but its
Formula, technique are substantially distinguished from the present invention, and can not be applied in fields such as gas absorption, dyestuff processing applied to porous material
In damping material field.
Chinese patent (Publication No. 104452530A, Publication No. 104448865A, Publication No. 106046821A) point
Several different foamed asphalt preparation methods are not disclosed, and the above two produce steam so as to introduce a gas into pitch reality using cold water
Now foam, the latter is raw material using PE expanded beads, and its caused foam-like pitch is referred to as foamed asphalt (foamed asphalt), application
In the laying of bituminous paving, it can not apply in damping material field.
Chinese patent (Publication No. 202225494U, Publication No. 204279281U) individually discloses a kind of foamed asphalt
The structure of damping fin, but the application purpose of this structure is to fill gap/cavity between two-layered steel plates according to description, and do not carry
Go out the formula and embodiment of specific foamed asphalt damping material.
Based on this, it is necessary to a kind of damping more preferably, proportion it is lighter, therefore paste the vehicles, plant equipment, electrical equipment
And other items tabular face on, more preferable sound insulation, effectiveness in vibration suppression can be played, and have heat-insulated, reinforcement, waterproof action, energy-saving and emission-reduction concurrently
Porous light pitch damping material and its preparation scheme of formed sheet be devised.
The content of the invention
The purpose of the present invention is the pitch damping material and the deficiency of above-mentioned prior art for using at present, there is provided a kind of
Preparation scheme containing loose structure, the pitch damping material of lightweight and its formed sheet, the invention damp compared to existing pitch
Piece because it has loose structure, its damping more preferably, proportion it is lighter, therefore paste the vehicles, plant equipment, electrical equipment etc.
On the tabular face of article, more preferable sound insulation, effectiveness in vibration suppression can be played, and has heat-insulated, reinforcement, waterproof action concurrently；Simultaneously to traffic
The lightweight of instrument such as automobile can also contribute, and reach the standard of energy-saving and emission-reduction.
The present invention is achieved through the following technical solutions：A kind of porous light pitch damping material, including following components：
Wherein pitch is the one or more of asphalt, bitumen, coal tar pitch.
Further, described modifying agent be polymer, resin, natural/synthetic rubber, carbon black, inorganic salts one kind or
It is a variety of, such as SBS (SBS), EVA (ethylene-vinyl acetate copolymer), PE (poly- second
Alkene), PP (polypropylene), phenolic resin, chlorinated polyethylene resin, natural rubber, butyl rubber, nitrile rubber, butadiene-styrene rubber, chlorine
Buna, CSM, reclaimed rubber etc..
Further, the filler is carbonate, silicate and its compound, one kind in other inorganic minerals or more
Kind, such as talcum powder, mica powder, clay, asbestos powder, diatomite, cellulose fibre, aluminosilicate, kaolin, calcium carbonate, lime
Stone, marble powder, magnesia, oyster shell whiting, vermiculite etc..
Further, the plasticizer is machine oil, phthalic acid ester one or more therein.
Further, the foaming agent is organic foaming agent, the one or more of inorganic foaming agent, as blowing agent AC is (even
Nitrogen diformamide), foaming agent OBSH [4,4- oxygen double (benzene sulfonyl hydrazide)], foaming agent sodium acid NaHCO3 etc..
Further, described blowing control agents are one kind or more in zinc oxide, stearate, carbonate, phosphate
Kind；
Further, the magnetic is iron oxide magnetic powder such as ferroso-ferric oxide, one kind in cobalt-iron oxide magnetic powder or more
Kind.
Further, the porous light pitch damping material is in use, comprise the following steps：
A, it is kneaded pulling-on piece：By the appropriate heating stirring of asphalt, add filler, plasticizer, foaming agent, blowing control agents and
Magnetic enters kneader mixing, and raw material is extruded into thick piece in extruder after the completion of mixing, controls temperature to be no more than hair in this step
The blowing temperature of infusion；
B, plastotype：Thick piece in step a is further rolled into required specification sheet material, cuts as needed, coat gluing
Agent and barrier paper, standby sheet material is formed, stored；
C, apply：After the baking of processed product electrophoretic paint finishes, the standby sheet material barrier paper of gained in step b is gone
Remove, standby sheet material is covered in position needed for processed product, complete foaming process in 130 DEG C~180 DEG C environment, make pitch
Damping material is internally formed loose structure, standby sheet material hot melt is firmly covered on processed product.
Wherein, described foaming agent, blowing control agents can be actually needed the different addition opportunity, suitable of selecting according to product
Sequence, foaming agent, foaming agent controlling agent are used for adjusting blowing temperature, bubbling efficiency, total gas release, expansion density/distribution, bubble structure
Deng, so as to obtain preferable loose structure, it can also make foaming process in the preparation process of material or during the use of user,
Such as car industry, (representative temperature is 130~180 DEG C) completes foaming during body paint toasts；Or respectively material prepare,
Completed during user's use once, second time of foaming.
Further, in the step b, in addition to standby sheet material is magnetized through magnet charger.
Compared with prior art, the sheet material that pitch damping material of the present invention and its shaping obtain, possesses porous, lightweight
Feature, there is higher damping factor, lower proportion, more preferable sound insulation, effectiveness in vibration suppression can be played, while to the vehicles such as
The lightweight of automobile has obvious effect, reduces carbon emission, can preferably tackle increasingly strict emission regulation demands；It is simultaneously existing
The heat-insulated, reinforcement that has that damping fin has concurrently, waterproof and other effects.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to specific embodiment, to this
Invention is further elaborated.The specific embodiments described herein are merely illustrative of the present invention, is not used to limit
The present invention.
Embodiment 1：The sheet material that a kind of porous light pitch damping material and its shaping obtain, specifically containing following steps：
S1, raw material backup：30 parts of asphalt, 45 parts of filler 1- calcium carbonate, filler 2- aluminium silicate salts [Al2(SiO3)3]
20 parts, 5 parts of filler 3- cellulose fibres, 2 parts of plasticizer-machine oil, 3 parts of blowing agent AC (azodicarbonamide), foamed promoter 1
Part；
S2, raw material are kneaded：By the appropriate heating stirring of asphalt, filler, plasticizer, foaming agent, foaming promotion are added
Kneader mixing is entered in agent, and raw material is in blocks in extruder extrusion after the completion of mixing, in this process temperature need to be controlled to be no more than foaming agent
Blowing temperature；
S3, plastotype：The thick piece that extruder is extruded further is rolled into required specification sheet material, optionally cut, coating adhesive
Glutinous agent, barrier paper etc.；
S4, use：By taking automobile industry as an example, after the baking of car body electrophoretic paint finishes, barrier paper is removed, by damping fin
Position such as spare wheel cover upper surface needed for being covered in, during follow-up middle painting or finish paint baking (130~180 DEG C of representative temperature)
Foaming agent completes foaming process, and loose structure is internally formed in pitch damping material, at the same damping fin hot melt be firmly covered in it is standby
On tire covers face.
Embodiment 2：The sheet material that a kind of porous light pitch damping material and its shaping obtain, specifically containing following steps：
S1, raw material backup, 30 parts of asphalt, 45 parts of filler 1- calcium carbonate, filler 2- aluminium silicate salts [Al2(SiO3)3]
20 parts, 5 parts of filler 3- cellulose fibres, 2 parts of plasticizer-machine oil, 3 parts of blowing agent AC (azodicarbonamide), foamed promoter 1
Part；
S2, raw material are kneaded, and by the appropriate heating stirring of asphalt, add filler, plasticizer, foaming agent, foaming promotion
Mixer mixing is entered in agent, and control temperature such as 150 DEG C of typical case, completes foaming, raw material exists after the completion of mixing in foaming agent foam temperature
Extruder extrusion is in blocks；
S3, plastotype, the thick piece that extruder is extruded further is rolled into required specification sheet material, optionally cut, coating adhesive
Glutinous agent, barrier paper etc.；
S4, use, by taking automobile industry as an example, after the baking of car body electrophoretic paint finishes, barrier paper is removed, by damping fin
Position such as spare wheel cover upper surface needed for being covered in, during follow-up middle painting or finish paint baking (130~180 DEG C of representative temperature)
Damping fin hot melt is firmly covered on spare tyre cover.
Embodiment 3：The sheet material that a kind of porous light pitch damping material and its shaping obtain, specifically containing following steps：
S1, raw material backup, 20 parts of asphalt, 3 parts of filler 1- calcium oxide, 2 parts of filler 2- cellulose fibres, plasticising
2 parts of agent-machine oil, 4 parts of blowing agent AC (azodicarbonamide), 1 part of foamed promoter, 75 parts of magnetic-ferroferric oxide magnetic powder；
S2, raw material are kneaded, and by the appropriate heating stirring of asphalt, add filler, plasticizer, foaming agent, foaming promotion
Kneader mixing is entered in agent, magnetic, and temperature need to be controlled no more than the blowing temperature of foaming agent in this process；
S3, plastotype, the thick piece that extruder is extruded further is rolled into required specification sheet material, optionally cuts and magnetizes,
And coat adhesive, barrier paper；
S4, use, by taking automobile industry as an example, after the baking of car body electrophoretic paint finishes, barrier paper is removed, by damping fin
Position such as spare wheel cover upper surface needed for being covered in, in further middle painting or finish paint baking (130~180 DEG C of representative temperature) process
Middle foaming agent completes foaming process, is internally formed loose structure in pitch damping material, and damping fin is firmly covered in spare tyre
On cover.
Embodiment 4：The sheet material that a kind of porous light pitch damping material and its shaping obtain, specifically containing following steps：
S1, raw material backup：10 parts of asphalt, 3 parts of filler 1- calcium carbonate, filler 2- aluminium silicate salts [Al2(SiO3)3]2
Part, 0.1 part of blowing agent AC (azodicarbonamide), 0.01 part of foamed promoter；
S2, raw material are kneaded：By the appropriate heating stirring of asphalt, filler, plasticizer, foaming agent, foaming promotion are added
Kneader mixing is entered in agent, and raw material is in blocks in extruder extrusion after the completion of mixing, in this process temperature need to be controlled to be no more than foaming agent
Blowing temperature；
S3, plastotype：The thick piece that extruder is extruded further is rolled into required specification sheet material, optionally cut, coating adhesive
Glutinous agent, barrier paper etc.；
S4, use：By taking automobile industry as an example, after the baking of car body electrophoretic paint finishes, barrier paper is removed, by damping fin
Position such as spare wheel cover upper surface needed for being covered in, during follow-up middle painting or finish paint baking (130~180 DEG C of representative temperature)
Foaming agent completes foaming process, and loose structure is internally formed in pitch damping material, at the same damping fin hot melt be firmly covered in it is standby
On tire covers face.
Embodiment 5：The sheet material that a kind of porous light pitch damping material and its shaping obtain, specifically containing following steps：
S1, raw material backup：60 parts of asphalt, 65 parts of filler 1- calcium carbonate, filler 2- aluminium silicate salts [Al2(SiO3)3]
45 parts, 10 parts of filler 3- cellulose fibres, 20 parts of plasticizer-machine oil, 30 parts of blowing agent AC (azodicarbonamide), foaming promote
30 parts of agent, 90 parts of magnetic；
S2, raw material are kneaded：By the appropriate heating stirring of asphalt, filler, plasticizer, foaming agent, foaming promotion are added
Kneader mixing is entered in agent, magnetic, and raw material is in blocks in extruder extrusion after the completion of mixing, in this process temperature need to be controlled to be no more than hair
The blowing temperature of infusion；
S3, plastotype：The thick piece that extruder is extruded further is rolled into required specification sheet material, optionally cut, coating adhesive
Glutinous agent, barrier paper etc.；
S4, use：By taking automobile industry as an example, after the baking of car body electrophoretic paint finishes, barrier paper is removed, by damping fin
Position such as spare wheel cover upper surface needed for being covered in, during follow-up middle painting or finish paint baking (130~180 DEG C of representative temperature)
Foaming agent completes foaming process, and loose structure is internally formed in pitch damping material, at the same damping fin hot melt be firmly covered in it is standby
On tire covers face.
In above-described embodiment, described foaming agent, foamed promoter can select different add according to being actually needed for product
Enter opportunity, order, foaming agent, foaming agent controlling agent be used for adjusting blowing temperature, bubbling efficiency, total gas release, expansion density/point
Cloth, bubble structure etc., so as to obtaining preferable loose structure, it can also make foaming process in the preparation process of material or user makes
During, such as car industry, (representative temperature is 130~180 DEG C) completes foaming during body paint toasts；Or exist respectively
Prepared by material, completed once during user's use, second time of foaming.
Pitch damping fin prepared by embodiment 1~5, as shown in table 1, compared to existing pitch damping fin, its major technique refers to
Mark such as damping factor, proportion has a clear superiority：
Table 1
While there has been shown and described that general principle, principal character, advantage and embodiment of the invention, for ability
For the technical staff in domain, it is possible to understand that in the case where not departing from the principle, spirit, scope of the present invention, the present invention also has
Various changes and modifications, these changes, improve and will fall into scope of the claimed invention.
Claims (9)
1. a kind of porous light pitch damping material, it is characterised in that including following components：
。
A kind of 2. porous light pitch damping material according to claim 1, it is characterised in that：The modifying agent uses benzene
Ethylene-butadiene-styrene block copolymer, ethylene-vinyl acetate copolymer, resin, natural rubber, synthetic rubber, carbon black
Or the one or more in inorganic salts.
A kind of 3. porous light pitch damping material according to claim 1, it is characterised in that：Described filler is carbonic acid
The salt and its derivative of compound, silicate and its compound derivative in one or more.
A kind of 4. porous light pitch damping material according to claim 1, it is characterised in that：The plasticizer is machine
One or more in oil, phthalic acid ester.
A kind of 5. porous light pitch damping material according to claim 1, it is characterised in that：The foaming agent is organic
One or more in foaming agent or inorganic foaming agent.
A kind of 6. porous light pitch damping material according to claim 1, it is characterised in that：The blowing control agents are
One or more in zinc oxide, stearate, carbonate, phosphate.
A kind of 7. porous light pitch damping material according to claim 1, it is characterised in that：The magnetic is four oxidations
One or more in three-iron, cobalt-iron oxide magnetic powder.
8. the application of a kind of porous light pitch damping material with described in claim 1, it is characterised in that including following step
Suddenly：
A, it is kneaded pulling-on piece：By the appropriate heating stirring of asphalt, filler, plasticizer, foaming agent, blowing control agents and magnetic are added
Enter kneader mixing, raw material is extruded into thick piece in extruder after the completion of mixing, controls temperature to be no more than foaming agent in this step
Blowing temperature；
B, plastotype：By the thick piece in step a be further rolled into needed for specification sheet material, cut as needed, coat adhesive and
Barrier paper, standby sheet material is formed, stored；
C, apply：After the baking of processed product electrophoretic paint finishes, the standby sheet material barrier paper of gained in step b is removed, will
Standby sheet material is covered in position needed for processed product, completes foaming process in 130 DEG C~180 DEG C environment, damps pitch
Material internal forms loose structure, standby sheet material hot melt is firmly covered on processed product.
A kind of 9. application of porous light pitch damping material as claimed in claim 8, it is characterised in that in the step b,
Also include magnetizing to standby sheet material through magnet charger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710941583.1A CN107501970A (en) | 2017-10-11 | 2017-10-11 | A kind of porous light pitch damping material and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710941583.1A CN107501970A (en) | 2017-10-11 | 2017-10-11 | A kind of porous light pitch damping material and its application |
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| CN107501970A true CN107501970A (en) | 2017-12-22 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109423059A (en) * | 2017-08-30 | 2019-03-05 | 罗雪洁 | A kind of asphalt pavement material major ingredient is at being grouped as |
| CN110342856A (en) * | 2019-06-26 | 2019-10-18 | 中国路桥工程有限责任公司 | A kind of ground surface material based on image procossing |
| CN110372261A (en) * | 2019-07-23 | 2019-10-25 | 江苏同盟汽车零部件实业有限公司 | A kind of preparation method of width temperature range foamed asphalt damping sheet |
| CN111205781A (en) * | 2020-03-18 | 2020-05-29 | 湖北楚天导博新材料有限公司 | Vehicle natural asphalt base self-adhesion type damping fin and preparation process thereof |
| CN111635611A (en) * | 2019-08-09 | 2020-09-08 | 三友（天津）高分子技术有限公司 | Novel hot-melting damping fin and preparation method thereof |
| CN114874726A (en) * | 2022-06-20 | 2022-08-09 | 广东信力科技股份有限公司 | Lightweight damping material, lightweight damping fin and preparation method thereof |
-
2017
- 2017-10-11 CN CN201710941583.1A patent/CN107501970A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109423059A (en) * | 2017-08-30 | 2019-03-05 | 罗雪洁 | A kind of asphalt pavement material major ingredient is at being grouped as |
| CN110342856A (en) * | 2019-06-26 | 2019-10-18 | 中国路桥工程有限责任公司 | A kind of ground surface material based on image procossing |
| CN110342856B (en) * | 2019-06-26 | 2021-10-15 | 中国路桥工程有限责任公司 | Pavement material based on image processing |
| CN110372261A (en) * | 2019-07-23 | 2019-10-25 | 江苏同盟汽车零部件实业有限公司 | A kind of preparation method of width temperature range foamed asphalt damping sheet |
| CN110372261B (en) * | 2019-07-23 | 2022-02-11 | 江苏同盟汽车零部件实业有限公司 | Preparation method of wide-temperature-range foamed asphalt damping plate |
| CN111635611A (en) * | 2019-08-09 | 2020-09-08 | 三友（天津）高分子技术有限公司 | Novel hot-melting damping fin and preparation method thereof |
| CN111205781A (en) * | 2020-03-18 | 2020-05-29 | 湖北楚天导博新材料有限公司 | Vehicle natural asphalt base self-adhesion type damping fin and preparation process thereof |
| CN114874726A (en) * | 2022-06-20 | 2022-08-09 | 广东信力科技股份有限公司 | Lightweight damping material, lightweight damping fin and preparation method thereof |
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Application publication date: 20171222 |
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