CN106810751A - A kind of high tenacity acoustic dampening composite - Google Patents
A kind of high tenacity acoustic dampening composite Download PDFInfo
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- CN106810751A CN106810751A CN201510842279.2A CN201510842279A CN106810751A CN 106810751 A CN106810751 A CN 106810751A CN 201510842279 A CN201510842279 A CN 201510842279A CN 106810751 A CN106810751 A CN 106810751A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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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
- 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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Abstract
The invention discloses a kind of high tenacity acoustic dampening composite, it is made up of the component comprising following weight portion：Organic fiber toughened polypropylene composite 30-50 weight portions, acoustic material master batch 50-70 weight portions.Wherein, organic fiber toughened polypropylene composite includes the component with following weight portion：Polypropylene 46-67.4 weight portions, organic fiber 30-50 weight portions, compatilizer 2-3 weight portions, the weight portion of antioxidant 0.6；Acoustic material master batch includes the component with following weight portion：Polypropylene 49.7-59.7 weight portions, sound insulation packing material 40-50 weight portions, the weight portion of antioxidant 0.3.High tenacity acoustic dampening composite of the invention possesses good sound insulation value and outstanding mechanical performance, be provided simultaneously with machine-shaping convenience, product design design freedom high, excellent spring, it is resistant to chemical etching the features such as.
Description
Technical field
The present invention relates to technical field of polymer composite materials, more particularly to a kind of high tenacity acoustic dampening composite.
Background technology
Currently, noise has turned into a kind of main environmental pollution, and acoustic environment problem is increasingly by the concern and attention of people.It is one of the most frequently used, most basic technical measures in noise control engineering to carry out sound-absorbing and sound insulation treatment from appropriate material.The difference of material sound-absorbing and material sound insulation is that material sound-absorbing is conceived to the size of sound source side reflection of the acoustic energy, and target is anti-
Penetrate acoustic energy small；Material sound insulation is conceived to the size of the transmission acoustic energy of incident sound source opposite side, and target is that transmission acoustic energy is small.Sound insulation refers to sound or Noise insulati on, cut-off, separation etc. by certain article.The incident acoustic energy of the material side decibels related to the transmission acoustic energy of opposite side are exactly the sound transmission loss of the material.For acoustic material, to weaken transmission acoustic energy, stop the propagation of sound, cannot be porous as sound-absorbing material, loose, ventilative, opposite its material should be again closely knit.Sound transmission loss follows mass law principle, be exactly acoustic material the intensive surface density of unit it is bigger, sound transmission loss is bigger, and surface density is proportional with sound transmission loss.Acoustic material a great variety, relatively common have solid fragment of brick, reinforced concrete wall, plank, plasterboard, iron plate, deadening felt, fiberboard etc., but these acoustic materials generally have feature of environmental protection difference or the disadvantage such as sound insulation value is undesirable.
The content of the invention
The present invention is exactly to provide a kind of high tenacity acoustic dampening composite to solve the problems, such as above-mentioned prior art.
The purpose of the present invention is achieved through the following technical solutions：
A kind of high tenacity acoustic dampening composite, is made up of the component comprising following weight portion：
Organic fiber toughened polypropylene composite 30-50 weight portions,
Acoustic material master batch 50-70 weight portions.
Preferably, the organic fiber toughened polypropylene composite is made up of the component comprising following weight portion：
Polypropylene 46-67.4 weight portions,
Organic fiber 30-50 weight portions,
Compatilizer 2-3 weight portions,
The weight portion of antioxidant 0.6.
Preferably, the organic fiber toughened polypropylene composite also includes lubricant 0-0.4 weight portions.
Preferably, the organic fiber is fiber of the fusing point higher than 220 DEG C.
Preferably, the organic fiber is selected from pet fiber, nylon66 fiber fiber, polyphenylene sulfide
One or more in fiber, Kafra fiber.
Preferably, the compatilizer is selected from one or more in the copolymer of maleic anhydride inoculated polypropylene, glycidyl methacrylate copolymer, styrene and alkene.
Preferably, the antioxidant is selected from one or more in Hinered phenols, hindered amines, phosphite ester, thioether kind antioxidant.One or more in the preferred antioxidant 1010 of antioxidant, antioxidant 1098, irgasfos 168.
Preferably, the lubricant is selected from one or more in paraffin, polypropylene wax, Tissuemat E, amide waxe, stearic acid and its salt.One or more in the preferred zinc stearate of stearate, calcium stearate.
Preferably, the acoustic material master batch is made up of the component comprising following weight portion：
Polypropylene 49.7-59.7 weight portions,
Sound insulation packing material 40-50 weight portions,
The weight portion of antioxidant 0.3.
Preferably, the sound insulation packing material is dead acoustic barrier material, selected from one or more in glass microballoon, barium sulfate, talcum powder, graphite powder, Cab-O-sil, flake asbestos.
Preferably, the antioxidant is selected from one or more in Hinered phenols, hindered amines, phosphite ester, thioether kind antioxidant.One or more in the preferred antioxidant 1010 of antioxidant, antioxidant 1098, irgasfos 168.
A kind of preparation method of high tenacity acoustic dampening composite, comprises the following steps：
（1）Prepare organic fiber toughened polypropylene composite：By polypropylene 46-67.4 weight portions, compatilizer 2-3 weight portions, lubricant 0-0.4 weight portions, the weight portion of antioxidant 0.6 plastifying fusion under 180-220 DEG C of temperature conditionss, acrylic resin melt is obtained；Continuous organic fiber is drawn by creel; tension force is adjusted through jockey pulley; import melt impregnation die head; by acrylic resin melt impregnation; the dispersion and infiltration of continuous organic fiber are realized in die head, it is 30-50 weight portions to control the content of organic fiber by the fiber outlet of die head, after after organic fiber complete wetting and cooling and solidifying; the particle of corresponding length is cut into through pelleter according to demand, organic fiber toughened polypropylene composite is obtained；
（2）Prepare acoustic material master batch：By polypropylene
49.7-59.7 weight portions, sound insulation packing material 40-50 weight portions, the weight portion of antioxidant 0.3 is carried out mixed at high speed 5-10 minutes in being added to high-speed mixer, is then transferred in double screw extruder,
Extruded at a temperature of 180-220 DEG C and granulated, obtain acoustic material master batch；
（3）Organic fiber toughened polypropylene composite 30-50 weight portions and the blending of acoustic material master batch 50-70 weight portions is uniform.
High tenacity acoustic dampening composite of the invention can be made sheet, membranaceous, tabular, bulk, bar-shaped and various special-shaped products, for sound-insulating member, the part for especially being required to soundproof effect and toughness of material simultaneously.
Compared with prior art, the invention has the advantages that：
High tenacity acoustic dampening composite of the invention is type thermoplastic resin material, is provided simultaneously with good sound insulation value and outstanding mechanical performance, and its notch impact strength is up to 50KJ/m
More than 2.The features such as thermoplas tic resin composite is also equipped with machine-shaping convenience, various forming method, product design design freedom high, excellent spring, convenient resistant to chemical etching, coloring, recoverable simultaneously, can progressively replace timber and metal material to be used widely in soundproofing field.
Specific embodiment
The present invention is described in detail with reference to each embodiment.
Embodiment 1
By the weight portion of polypropylene 46, the ethylene-acrylate-weight portion of GMA terpolymer 3, the weight portion of lubricant polypropylene wax 0.4, the weight portion of antioxidant 1010 0.2, the weight portion of irgasfos 168 0.4 plastifying fusion under 180-200 DEG C of temperature conditionss, obtain acrylic resin melt；Continuous pet fiber is drawn by creel; tension force is adjusted through jockey pulley; import melt impregnation die head; by acrylic resin melt impregnation; the dispersion and infiltration of fiber are realized in die head, it is 50 weight portions to control the content of fiber by the fiber outlet of die head, after after organic fiber complete wetting and cooling and solidifying; the particle of 10mm length is cut into through pelleter, pet fiber toughened polypropylene composite is obtained.
By the weight portion of acrylic resin 54.7, the weight portion of glass microballoon 45, the weight portion of antioxidant 1010 0.1, antioxygen
The weight portion of agent 168 0.2 carries out mixed at high speed 8 minutes in being added to high-speed mixer, is then transferred in double screw extruder,
Extruded at a temperature of 180-220 DEG C and granulated, obtain glass microballoon sound insulation master batch.
By the weight portion of pet fiber toughened polypropylene composite 40 and the weight portion of glass microballoon sound insulation master batch 60, it is added in high-speed mixer and is well mixed.
Embodiment 2
By the weight portion of polypropylene 67.4, the weight portion of styrene-ethylene/butylene-styrene block copolymer 2, the weight portion of antioxidant 1010 0.2, the weight portion of irgasfos 168 0.4 plastifying fusion under 180-220 DEG C of temperature conditionss, acrylic resin melt is obtained；Continuous polyphenylene sulfide fibre is drawn by creel; tension force is adjusted through jockey pulley; import melt impregnation die head; by acrylic resin melt impregnation; the dispersion and infiltration of fiber are realized in die head, it is 30 weight portions to control the content of fiber by the fiber outlet of die head, after after organic fiber complete wetting and cooling and solidifying; the particle of 12mm length is cut into through pelleter, polyphenylene sulfide fibre toughened polypropylene composite is obtained.
By the weight portion of acrylic resin 59.7, the weight portion of talcum powder 40, the weight portion of antioxidant 1010 0.1, antioxidant
168 0.2 weight portions carry out mixed at high speed 5 minutes in being added to high-speed mixer, are then transferred in double screw extruder,
Extruded at a temperature of 180-210 DEG C and granulated, obtain talcum powder sound insulation master batch.
By the weight portion of polyphenylene sulfide fibre toughened polypropylene composite 50 and the weight portion of talcum powder sound insulation master batch 50, it is added in high-speed mixer and is well mixed.
Embodiment 3
By the weight portion of the polypropylene 57.2, weight portion of maleic anhydride inoculated polypropylene 2, the weight portion of lubricant stearic acid calcium 0.2, anti-
The weight portion of oxygen agent 1,098 0.2, irgasfos 168
0.4 weight portion plastifying fusion under 180-200 DEG C of temperature conditionss, obtains acrylic resin melt；Continuous nylon66 fiber fiber is drawn by creel, tension force is adjusted through jockey pulley, import melt impregnation die head, by acrylic resin melt impregnation, the dispersion and infiltration of fiber are realized in die head, fiber is controlled by the fiber outlet of die head
Content be 40 weight portions, after organic fiber complete wetting and cooling and solidifying after, be cut into 11mm through pelleter
The particle of length, obtains the fiber reinforced PP composite material of nylon66 fiber.
By the weight portion of acrylic resin 49.7, the weight portion of barium sulfate 50, the weight portion of antioxidant 1010 0.1, antioxidant
168 0.2 weight portions carry out mixed at high speed 10 minutes in being added to high-speed mixer, are then transferred in double screw extruder,
Extruded at a temperature of 180-220 DEG C and granulated, obtain barium sulfate sound insulation master batch.
By the fiber reinforced weight portion of PP composite material 30 of nylon66 fiber and the weight portion of barium sulfate sound insulation master batch 70, it is added in high-speed mixer and is well mixed.
Embodiment 4
By the weight portion of polypropylene 67, the styrene-weight portion of ethylene/butylene-styrene block copolymer 2, the weight portion of lubricant polyethylene wax 0.4, the weight portion of antioxidant 1010 0.2, the weight portion of irgasfos 168 0.4 plastifying fusion under 180-220 DEG C of temperature conditionss, obtain acrylic resin melt；Continuous Kafra fiber is drawn by creel, tension force is adjusted through jockey pulley, import melt impregnation die head, by acrylic resin melt impregnation, the dispersion and infiltration of fiber are realized in die head, by die head
It is 30 weight portions that fiber outlet controls the content of fiber, after after organic fiber complete wetting and cooling and solidifying, is cut into through pelleter
The particle of 13mm length, obtains Kafra fiber toughened polypropylene composite.
By the weight portion of acrylic resin 57.7, the weight portion of graphite powder 42, the weight portion of antioxidant 1010 0.1, antioxidant
168 0.2 weight portions carry out mixed at high speed 6 minutes in being added to high-speed mixer, are then transferred in double screw extruder,
Extruded at a temperature of 180-220 DEG C and granulated, obtain graphite powder sound insulation master batch.
By the weight portion of Kafra fiber toughened polypropylene composite 35 and the weight portion of graphite powder sound insulation master batch 65, it is added in high-speed mixer and is well mixed.
Embodiment 5
By the weight portion of polypropylene 50, the weight portion of glycidyl methacrylate copolymer 2.3, the weight portion of lubricant amide waxe 0.1, antioxidant 1010
0.2 weight portion, the weight portion of irgasfos 168 0.4 exist
Plastifying fusion under 180-210 DEG C of temperature conditionss, obtains acrylic resin melt；Continuous polyphenylene sulfide fibre is drawn by creel, tension force is adjusted through jockey pulley, import melt leaching
Stain die head, by acrylic resin melt impregnation, realizes the dispersion and infiltration of fiber, by the fiber outlet of die head in die head
The content of fiber is controlled for 47 weight portions, after after organic fiber complete wetting and cooling and solidifying, the particle of 15mm length is cut into through pelleter, obtain polyphenylene sulfide fibre toughened polypropylene composite.
By the weight portion of acrylic resin 53.7, the weight portion of flake asbestos 46, the weight portion of antioxidant 1,098 0.1, antioxidant
168 0.2 weight portions carry out mixed at high speed 8 minutes in being added to high-speed mixer, are then transferred in double screw extruder,
Extruded at a temperature of 180-210 DEG C and granulated, obtain flake asbestos sound insulation master batch.
By the weight portion of polyphenylene sulfide fibre toughened polypropylene composite 48 and the weight portion of flake asbestos sound insulation master batch 52, it is added in high-speed mixer and is well mixed.
Embodiment 6
By the weight portion of polypropylene 60, the weight portion of maleic anhydride inoculated polypropylene 2.1, the weight portion of lubricant paraffin 0.3, antioxidant
1098 0.2 weight portions, the weight portion of irgasfos 168 0.4 plastifying fusion under 180-200 DEG C of temperature conditionss, obtain polypropylene tree
Fat melt；Continuous nylon66 fiber fiber is drawn by creel, tension force is adjusted through jockey pulley, import melt impregnation die head, by acrylic resin melt impregnation, the dispersion and infiltration of fiber are realized in die head, containing for fiber is controlled by the fiber outlet of die head
It is 37 weight portions to measure, and after after organic fiber complete wetting and cooling and solidifying, 10mm is cut into through pelleter
The particle of length, obtains the fiber reinforced PP composite material of nylon66 fiber.
By the weight portion of acrylic resin 51.7, the weight portion of Cab-O-sil 48, the weight portion of antioxidant 1010 0.1, antioxidant
168 0.2 weight portions carry out mixed at high speed 10 minutes in being added to high-speed mixer, are then transferred in double screw extruder,
Extruded at a temperature of 180-220 DEG C and granulated, obtain Cab-O-sil sound insulation master batch.
By the fiber reinforced weight portion of PP composite material 42 of nylon66 fiber and the weight portion of Cab-O-sil sound insulation master batch 58, it is added in high-speed mixer and is well mixed.
Disclosed above is only several specific embodiments of the application, but the application is not limited to this, the changes that any person skilled in the art can think of, should all fall in the protection domain of the application.
Claims (9)
1. a kind of high tenacity acoustic dampening composite, it is characterised in that be made up of the component comprising following weight portion：
Organic fiber toughened polypropylene composite 30-50 weight portions, acoustic material master batch 50-70 weight portions.
2. the high tenacity acoustic dampening composite as described in claim 1, it is characterised in that the organic fiber tenacity-increased profax
Composite is made up of the component comprising following weight portion：
Polypropylene 46-67.4 weight portions,
Organic fiber 30-50 weight portions,
Compatilizer 2-3 weight portions,
The weight portion of antioxidant 0.6.
3. the high tenacity acoustic dampening composite as described in claim 2, it is characterised in that the organic fiber toughened polypropylene composite also includes lubricant 0-0.4 weight portions.
4. high tenacity acoustic dampening composite as claimed in claim 2 or claim 3, it is characterised in that the organic fiber is fiber of the fusing point higher than 220 DEG C.
5. the high tenacity acoustic dampening composite as described in claim 4, it is characterised in that the organic fiber is selected from one or more in pet fiber, nylon66 fiber fiber, polyphenylene sulfide fibre Kafra fiber.
6. high tenacity acoustic dampening composite as claimed in claim 2 or claim 3, it is characterised in that the compatilizer is selected from one or more in the copolymer of maleic anhydride inoculated polypropylene, glycidyl methacrylate copolymer, styrene and alkene；The antioxidant is selected from one or more in Hinered phenols, hindered amines, phosphite ester, thioether kind antioxidant.
7. the high tenacity acoustic dampening composite as described in claim 3, it is characterised in that the lubricant is selected from one or more in paraffin, polypropylene wax, Tissuemat E, amide waxe, stearic acid and its salt.
8. the high tenacity acoustic dampening composite as described in claim 1, it is characterised in that the acoustic material master batch is made up of the component comprising following weight portion：
Polypropylene 49.7-59.7 weight portions,
Sound insulation packing material 40-50 weight portions,
The weight portion of antioxidant 0.3.
9. the high tenacity acoustic dampening composite as described in claim 8, it is characterised in that the sound insulation packing material is dead acoustic barrier material, selected from one or more in glass microballoon, barium sulfate, talcum powder, graphite powder, Cab-O-sil, flake asbestos；It is described anti-
Oxygen agent is selected from one or more in Hinered phenols, hindered amines, phosphite ester, thioether kind antioxidant.
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| CN201510842279.2A CN106810751A (en) | 2015-11-29 | 2015-11-29 | A kind of high tenacity acoustic dampening composite |
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| CN201510842279.2A CN106810751A (en) | 2015-11-29 | 2015-11-29 | A kind of high tenacity acoustic dampening composite |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110028916A (en) * | 2019-05-09 | 2019-07-19 | 成都硕屋科技有限公司 | A kind of fire prevention dampening-adhesive agent |
| CN110372953A (en) * | 2019-07-24 | 2019-10-25 | 江苏银辉生态科技有限公司 | A kind of polypropylene nano sound insulationg board and preparation method thereof |
-
2015
- 2015-11-29 CN CN201510842279.2A patent/CN106810751A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110028916A (en) * | 2019-05-09 | 2019-07-19 | 成都硕屋科技有限公司 | A kind of fire prevention dampening-adhesive agent |
| CN110028916B (en) * | 2019-05-09 | 2020-07-14 | 成都硕屋科技有限公司 | Fireproof damping adhesive |
| CN110372953A (en) * | 2019-07-24 | 2019-10-25 | 江苏银辉生态科技有限公司 | A kind of polypropylene nano sound insulationg board and preparation method thereof |
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