CN106519625A - Sound-absorption light-weight polycarbonate expanded plastic and preparing method thereof - Google Patents
Sound-absorption light-weight polycarbonate expanded plastic and preparing method thereof Download PDFInfo
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- 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
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- 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
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Abstract
The invention belongs to the technical field of automotive interiors, and discloses sound-absorption light-weight polycarbonate expanded plastic and a preparing method thereof. Raw materials for preparing the polycarbonate expanded plastic comprise, by weight, 80-120 parts of polycarbonate, 10-20 parts of glass fiber cloth, 6-10 parts of expanded vermiculite, 6-10 parts of nanometer diatomite, 4-8 parts of aluminum hydroxide, 1-2 parts of azodicarbonamide, 1-3 parts of calcium carbonate, 1-2 parts of potassium pyrophosphate, 0.2-0.4 part of a foam stabilizer, 4-6 parts of mica powder, 15-25 parts of low density polyethylene, 8-16 parts of poly-p-phenylene terephthalamide pulp, 4-8 parts of chitosan, 0.3-0.6 part of a titanate coupling agent, 0.3-0.5 part of methyl triethoxysilane, 0.2-0.5 part of sodium lignin sulfonate and 10-20 parts of acrylic emulsion. The sound-absorption light-weight polycarbonate expanded plastic is even in bubble, low in density and light in weight, and has good sound-absorption performance and good mechanical properties.
Description
Technical field
The invention belongs to technical field of automotive trim, is related to a kind of sound-absorbing lightweight Merlon foamed plastic, the present invention
Further relate to the preparation method of the sound-absorbing lightweight Merlon foamed plastic.
Background technology
Merlon is a kind of unformed, odorless, tasteless, nontoxic thermoplastic polymer, be a kind of molecular structure it is special,
The thermoplastic engineering resin of high comprehensive performance.At present, its application is developed rapidly, in the application in five large-engineering resins,
It is number two, is only second to the application of nylon.Contain phenyl ring and carbonic ether structure on the cruel strand of poly- carbonic acid, therefore, its molecule
Chain rigidity is very big.Due to the cruel this special molecular structure of poly- carbonic acid, the cruel many unique power of poly- carbonic acid are determined
The performance of the aspects such as, calorifics, optics.Merlon water white transparency, weak acid resistant, resistance to weak base, resistance to neutral oil, heat-resisting, shock resistance,
There is good mechanical performance in commonly used temperature.
As one of environmental protection and the demand of energy-conservation, trend of development of automobile are exactly lightweight.The lightweight of automobile be exactly
On the premise of ensureing automobile intensity and security performance, the complete vehicle quality of automobile is reduced as far as possible, so as to improve the power of automobile
Property, fuel consumption is reduced, exhaust pollution is reduced.Because Merlon has foregoing advantage, high comprehensive performance is being built
In building the fields such as daylighting, vehicle glass and aircraft, military protective material, market potential is huge, such as electrical instrumentation disk, automobile instrument
Disk, car light, transparency window material etc..So the light-weighted makrolon material of exploitation can meet the requirement of automotive light weight technology.
Cycle start and travel during in-car can produce various dynamic noises, these noises directly concern drives people
The comfort level of member and hearing health, excessive noise can even disturb the attention of driver, affect safe driving, therefore effectively
Reduce the noise in compartment, quiet construction, health driving and take environment being particularly important.And in-car noise master will be reduced
The design of car body to be depended on itself, material and interior trim sound-absorbing material, the sound insulation and noise reduction material for wherein designing high-quality is most
It is common while a kind of and more efficient noise reduction means.
The content of the invention
The invention aims to solve deficiency of the prior art mentioned above, there is provided a kind of sound-absorbing lightweight gathers
Carbonic ester foamed plastic, prepared sound-absorbing lightweight Merlon Bubbles of Foaming Plastics is uniform, density is low, light weight, has
Good sound absorption qualities and mechanical property.
It is that, up to above-mentioned purpose, the present invention is adopted the following technical scheme that：
A kind of sound-absorbing lightweight Merlon foamed plastic, make the Merlon foamed plastic raw material include it is following heavy
Each composition of amount number：Merlon 80-120 parts, glass fabric 10-20 parts, expanded vermiculite 6-10 parts, nano diatomite 6-
10 parts, aluminium hydroxide 4-8 parts, azodicarbonamide 1-2 parts, Calcium Carbonate 1-3 part, potassium pyrophosphate 1-2 parts, foam stabiliser 0.2-
0.4 part, mica powder 4-6 parts, Low Density Polyethylene 15-25 parts, Fanglun slurry cake 8-16 parts, shitosan 4-8 parts, titanate coupling agent
0.3-0.6 parts, MTES 0.3-0.5 parts, sodium lignin sulfonate 0.2-0.5 parts, acrylic emulsion 10-20 parts.
Preferably, the raw material for making the Merlon foamed plastic includes each composition of following parts by weight：Merlon
80 parts, 10 parts of glass fabric, 6 parts of expanded vermiculite, 6 parts of nano diatomite, 4 parts of aluminium hydroxide, 1 part of azodicarbonamide, carbon
1 part of sour calcium, 1 part of potassium pyrophosphate, 0.2 part of foam stabiliser, 4 parts of mica powder, 15 parts of Low Density Polyethylene, 8 parts of Fanglun slurry cake, shell
4 parts of polysaccharide, 0.3 part of titanate coupling agent, 0.3 part of MTES, 0.2 part of sodium lignin sulfonate, acrylic emulsion
10 parts.
Preferably, the raw material for making the Merlon foamed plastic includes each composition of following parts by weight：Merlon
120 parts, 20 parts of glass fabric, 10 parts of expanded vermiculite, 10 parts of nano diatomite, 8 parts of aluminium hydroxide, 2 parts of azodicarbonamide,
3 parts of Calcium Carbonate, 2 parts of potassium pyrophosphate, 0.4 part of foam stabiliser, 6 parts of mica powder, 25 parts of Low Density Polyethylene, Fanglun slurry cake 16
Part, 8 parts of shitosan, 0.6 part of titanate coupling agent, 0.5 part of MTES, 0.5 part of sodium lignin sulfonate, acrylic acid
20 parts of emulsion.
Preferably, the raw material for making the Merlon foamed plastic includes each composition of following parts by weight：Merlon
100 parts, 15 parts of glass fabric, 8 parts of expanded vermiculite, 8 parts of nano diatomite, 6 parts of aluminium hydroxide, 1.5 parts of azodicarbonamide,
2 parts of Calcium Carbonate, 1.5 parts of potassium pyrophosphate, 0.3 part of foam stabiliser, 5 parts of mica powder, 20 parts of Low Density Polyethylene, Fanglun slurry cake 12
Part, 6 parts of shitosan, 0.5 part of titanate coupling agent, 0.4 part of MTES, 0.35 part of sodium lignin sulfonate, propylene
15 parts of yogurt liquid.
It is a further object of the present invention to provide a kind of preparation method of sound-absorbing lightweight Merlon foamed plastic, the system
Preparation Method is comprised the following steps：
(1) glass fabric ear material is weighed, is cleaned to without mud, dirt etc., is dried to no moisture, then will be dried
Glass fabric ear material is sent into segment cutter and carries out cutting, is cut into the segment material that length is 4-5cm；
(2) the glass fabric segment material as obtained by proportioning weighs step (1), feeding microwave dryer carry out microwave and do
Dry, microwave drying temperature is 150-200 DEG C, and the time is 1-3min；
(3) the glass fabric segment material after step (2) microwave drying is sent into into nano-level grinder, is ground, obtains glass
Glass fiber dust；
(4) expanded vermiculite, mica powder are crushed, and is crossed 80 mesh sieves, after mix homogeneously, be 10- with mass fraction
20% sodium hydrate aqueous solution ultrasonic agitation immersion 2h, washs to neutrality, drying for standby；
(5) expanded vermiculite after step (4) process, mica powder gross weight are designated as into 1 part, add methyltriethoxy silane
Alkane, sodium lignin sulfonate and appropriate distilled water, after ultrasonic agitation 30min, by all materials microwave drying, then micronizing is extremely
Superfine powder, it is standby；
(6) superfine powder obtained in step (5) is added with nano diatomite, aluminium hydroxide, Fanglun slurry cake, acrylic emulsion
In high-speed mixer, with the speed stirring 30min of 600-800r/min at 150 DEG C, it is subsequently adding shitosan and continues stirring
10min, it is standby；
(7) by the beginning of glass fibre powder obtained in step (3) and Merlon, Low Density Polyethylene, titanate coupling agent
After mixed, send in high-speed mixer, add material obtained in step (6), high-speed stirred 10-20min at 110-140 DEG C is standby
With；
(8) mixed material obtained in step (7) is sent in double screw extruder and extrudes, add azo in extrusion
Diformamide, Calcium Carbonate, potassium pyrophosphate, foam stabiliser, extrusion, dehydration obtain final product the sound-absorbing lightweight Merlon foaming
Plastics.
Preferably, in step (4), the mass fraction of sodium hydrate aqueous solution is 15%.
Preferably, step (7) high speed mixer high-speed stirred speed is 1500-2000r/min.
Preferably, step (7) high speed mixer high-speed stirred speed is 1700r/min.
Compared with prior art, beneficial effects of the present invention are：
(1) the sound-absorbing lightweight Merlon Bubbles of Foaming Plastics of present invention production is uniform, low, light weight with density
Feature, with Merlon as major ingredient, by filled glass fiber, Fanglun slurry cake, Low Density Polyethylene, has adhered to traditional poly- carbonic acid
The advantage of ester material, and its mechanical property is improved, tensile strength, elongation at break, elastic modelling quantity are good, and have
Good sound absorption qualities, are a kind of automobile-used sound-absorbing materials of novel practical.
(2) it is raw material that the present invention chooses discarded glass fabric leftover bits and pieces, turns waste into wealth, has both reduced cost of material,
Recycling economy, further improves thermostability, the corrosion resistance of Merlon, improves toughness, the resisting fatigue of Merlon
Property and low-temperature cracking-resistance, substantially increase the performance of Merlon, in preparation method, glass fibre segment material are now carried out micro-
After ripple dried, then carry out nano-milled, after microwave drying treatment so that segment material becomes fragile, then when nano-milled, will subtract
Lack milling time and reach required granularity, save the production time.
(3) present invention is by adjusting formula and modified technique, by expanded vermiculite, the modified micronizing of mica powder after, and receive
Rice kieselguhr, aluminium hydroxide, Fanglun slurry cake, acrylic emulsion mixing, are then coated with shitosan, are incorporated into Merlon
Sound-absorbing effect and the intensity of Merlon foamed plastic in foamed plastic, can be significantly improved, sound-absorbing material is solved well
The problem that intensity and sound absorption qualities can not get both, makes obtained Merlon foamed plastic both have good sound absorption qualities, and
There is good intensity, while the above-mentioned raw materials after so processing have good dispersion between other raw materials in preparation process
Property and associativity.
(4) cooperated as foaming agent using azodicarbonamide, Calcium Carbonate in the present invention, produced in preparation process
Bubble is fine and closely woven, size is homogeneous, make obtained Merlon foamed plastic that there is microcellular structure, and hole be uniform, porosity is high.
(5) present invention prepare sound-absorbing lightweight Merlon foamed plastic density is low, light weight, be it is a kind of have it is good
The sound-absorbing material of mechanical property, and the inorganic filler of larger proportion is employed, its production cost is reduced, extensively can be pushed away
Extensively.
Specific embodiment
For the present invention is better described, technical scheme is readily appreciated, the present invention is entered below by embodiment
One step is described in detail.But following embodiments is only the simple example of the present invention, the right of the present invention is not represented or limits
Protection domain, protection scope of the present invention are defined by claims.
Embodiment 1
A kind of sound-absorbing lightweight Merlon foamed plastic, make the Merlon foamed plastic raw material include it is following heavy
Each composition of amount number：80 parts of Merlon, 10 parts of glass fabric, 6 parts of expanded vermiculite, 6 parts of nano diatomite, aluminium hydroxide
4 parts, 1 part of azodicarbonamide, 1 part of Calcium Carbonate, 1 part of potassium pyrophosphate, 0.2 part of foam stabiliser, 4 parts of mica powder, low-density gather
15 parts of ethylene, 8 parts of Fanglun slurry cake, 4 parts of shitosan, 0.3 part of titanate coupling agent, 0.3 part of MTES, lignin
0.2 part of sodium sulfonate, 10 parts of acrylic emulsion.
The preparation method of the sound-absorbing lightweight Merlon foamed plastic is comprised the following steps：
(1) glass fabric ear material is weighed, is cleaned to without mud, dirt etc., is dried to no moisture, then will be dried
Glass fabric ear material is sent into segment cutter and carries out cutting, is cut into the segment material that length is 4-5cm；
(2) the glass fabric segment material as obtained by proportioning weighs step (1), feeding microwave dryer carry out microwave and do
Dry, microwave drying temperature is 150-200 DEG C, and the time is 1-3min；
(3) the glass fabric segment material after step (2) microwave drying is sent into into nano-level grinder, is ground, obtains glass
Glass fiber dust；
(4) expanded vermiculite, mica powder are crushed, and is crossed 80 mesh sieves, after mix homogeneously, be 10% with mass fraction
Sodium hydrate aqueous solution ultrasonic agitation soaks 2h, washs to neutrality, drying for standby；
(5) expanded vermiculite after step (4) process, mica powder gross weight are designated as into 1 part, add methyltriethoxy silane
Alkane, sodium lignin sulfonate and appropriate distilled water, after ultrasonic agitation 30min, by all materials microwave drying, then micronizing is extremely
Superfine powder, it is standby；
(6) superfine powder obtained in step (5) is added with nano diatomite, aluminium hydroxide, Fanglun slurry cake, acrylic emulsion
In high-speed mixer, with the speed stirring 30min of 600r/min at 150 DEG C, it is subsequently adding shitosan and continues stirring 10min,
It is standby；
(7) by the beginning of glass fibre powder obtained in step (3) and Merlon, Low Density Polyethylene, titanate coupling agent
After mixed, send in high-speed mixer, add material obtained in step (6), stirred with 1500r/min speed at 110-140 DEG C
10-20min, it is standby；
(8) mixed material obtained in step (7) is sent in double screw extruder and extrudes, add azo in extrusion
Diformamide, Calcium Carbonate, potassium pyrophosphate, foam stabiliser, extrusion, dehydration obtain final product the sound-absorbing lightweight Merlon foaming
Plastics.
Embodiment 2
A kind of sound-absorbing lightweight Merlon foamed plastic, make the Merlon foamed plastic raw material include it is following heavy
Each composition of amount number：120 parts of Merlon, 20 parts of glass fabric, 10 parts of expanded vermiculite, 10 parts of nano diatomite, hydrogen-oxygen
Change 8 parts of aluminum, 2 parts of azodicarbonamide, 3 parts of Calcium Carbonate, 2 parts of potassium pyrophosphate, 0.4 part of foam stabiliser, 6 parts of mica powder, low close
Degree 25 parts of polyethylene, 16 parts of Fanglun slurry cake, 8 parts of shitosan, 0.6 part of titanate coupling agent, 0.5 part of MTES,
0.5 part of sodium lignin sulfonate, 20 parts of acrylic emulsion.
The preparation method of the sound-absorbing lightweight Merlon foamed plastic is comprised the following steps：
(1) glass fabric ear material is weighed, is cleaned to without mud, dirt etc., is dried to no moisture, then will be dried
Glass fabric ear material is sent into segment cutter and carries out cutting, is cut into the segment material that length is 4-5cm；
(2) the glass fabric segment material as obtained by proportioning weighs step (1), feeding microwave dryer carry out microwave and do
Dry, microwave drying temperature is 150-200 DEG C, and the time is 1-3min；
(3) the glass fabric segment material after step (2) microwave drying is sent into into nano-level grinder, is ground, obtains glass
Glass fiber dust；
(4) expanded vermiculite, mica powder are crushed, and is crossed 80 mesh sieves, after mix homogeneously, be 20% with mass fraction
Sodium hydrate aqueous solution ultrasonic agitation soaks 2h, washs to neutrality, drying for standby；
(5) expanded vermiculite after step (4) process, mica powder gross weight are designated as into 1 part, add methyltriethoxy silane
Alkane, sodium lignin sulfonate and appropriate distilled water, after ultrasonic agitation 30min, by all materials microwave drying, then micronizing is extremely
Superfine powder, it is standby；
(6) superfine powder obtained in step (5) is added with nano diatomite, aluminium hydroxide, Fanglun slurry cake, acrylic emulsion
In high-speed mixer, with the speed stirring 30min of 800r/min at 150 DEG C, it is subsequently adding shitosan and continues stirring 10min,
It is standby；
(7) by the beginning of glass fibre powder obtained in step (3) and Merlon, Low Density Polyethylene, titanate coupling agent
After mixed, send in high-speed mixer, add material obtained in step (6), stirred with 2000r/min speed at 110-140 DEG C
10-20min, it is standby；
(8) mixed material obtained in step (7) is sent in double screw extruder and extrudes, add azo in extrusion
Diformamide, Calcium Carbonate, potassium pyrophosphate, foam stabiliser, extrusion, dehydration obtain final product the sound-absorbing lightweight Merlon foaming
Plastics.
Embodiment 3
A kind of sound-absorbing lightweight Merlon foamed plastic, make the Merlon foamed plastic raw material include it is following heavy
Each composition of amount number：100 parts of Merlon, 15 parts of glass fabric, 8 parts of expanded vermiculite, 8 parts of nano diatomite, hydroxide
It is 6 parts of aluminum, 1.5 parts of azodicarbonamide, 2 parts of Calcium Carbonate, 1.5 parts of potassium pyrophosphate, 0.3 part of foam stabiliser, 5 parts of mica powder, low
20 parts of density polyethylene, 12 parts of Fanglun slurry cake, 6 parts of shitosan, 0.5 part of titanate coupling agent, MTES 0.4
Part, 0.35 part of sodium lignin sulfonate, 15 parts of acrylic emulsion.
The preparation method of the sound-absorbing lightweight Merlon foamed plastic is comprised the following steps：
(1) glass fabric ear material is weighed, is cleaned to without mud, dirt etc., is dried to no moisture, then will be dried
Glass fabric ear material is sent into segment cutter and carries out cutting, is cut into the segment material that length is 4-5cm；
(2) the glass fabric segment material as obtained by proportioning weighs step (1), feeding microwave dryer carry out microwave and do
Dry, microwave drying temperature is 150-200 DEG C, and the time is 1-3min；
(3) the glass fabric segment material after step (2) microwave drying is sent into into nano-level grinder, is ground, obtains glass
Glass fiber dust；
(4) expanded vermiculite, mica powder are crushed, and is crossed 80 mesh sieves, after mix homogeneously, be 15% with mass fraction
Sodium hydrate aqueous solution ultrasonic agitation soaks 2h, washs to neutrality, drying for standby；
(5) expanded vermiculite after step (4) process, mica powder gross weight are designated as into 1 part, add methyltriethoxy silane
Alkane, sodium lignin sulfonate and appropriate distilled water, after ultrasonic agitation 30min, by all materials microwave drying, then micronizing is extremely
Superfine powder, it is standby；
(6) superfine powder obtained in step (5) is added with nano diatomite, aluminium hydroxide, Fanglun slurry cake, acrylic emulsion
In high-speed mixer, with the speed stirring 30min of 700r/min at 150 DEG C, it is subsequently adding shitosan and continues stirring 10min,
It is standby；
(7) by the beginning of glass fibre powder obtained in step (3) and Merlon, Low Density Polyethylene, titanate coupling agent
After mixed, send in high-speed mixer, add material obtained in step (6), stirred with 1700r/min speed at 110-140 DEG C
10-20min, it is standby；
(8) mixed material obtained in step (7) is sent in double screw extruder and extrudes, add azo in extrusion
Diformamide, Calcium Carbonate, potassium pyrophosphate, foam stabiliser, extrusion, dehydration obtain final product the sound-absorbing lightweight Merlon foaming
Plastics.
Embodiment 4
A kind of sound-absorbing lightweight Merlon foamed plastic, make the Merlon foamed plastic raw material include it is following heavy
Each composition of amount number：120 parts of Merlon, 15 parts of glass fabric, 10 parts of expanded vermiculite, 6 parts of nano diatomite, hydroxide
5 parts of aluminum, 1.5 parts of azodicarbonamide, 1.5 parts of Calcium Carbonate, 1.5 parts of potassium pyrophosphate, 0.2 part of foam stabiliser, 6 parts of mica powder,
20 parts of Low Density Polyethylene, 10 parts of Fanglun slurry cake, 8 parts of shitosan, 0.5 part of titanate coupling agent, MTES 0.4
Part, 0.3 part of sodium lignin sulfonate, 20 parts of acrylic emulsion.
The preparation method of the sound-absorbing lightweight Merlon foamed plastic is comprised the following steps：
(1) glass fabric ear material is weighed, is cleaned to without mud, dirt etc., is dried to no moisture, then will be dried
Glass fabric ear material is sent into segment cutter and carries out cutting, is cut into the segment material that length is 4-5cm；
(2) the glass fabric segment material as obtained by proportioning weighs step (1), feeding microwave dryer carry out microwave and do
Dry, microwave drying temperature is 150-200 DEG C, and the time is 1-3min；
(3) the glass fabric segment material after step (2) microwave drying is sent into into nano-level grinder, is ground, obtains glass
Glass fiber dust；
(4) expanded vermiculite, mica powder are crushed, and is crossed 80 mesh sieves, after mix homogeneously, be 12% with mass fraction
Sodium hydrate aqueous solution ultrasonic agitation soaks 2h, washs to neutrality, drying for standby；
(5) expanded vermiculite after step (4) process, mica powder gross weight are designated as into 1 part, add methyltriethoxy silane
Alkane, sodium lignin sulfonate and appropriate distilled water, after ultrasonic agitation 30min, by all materials microwave drying, then micronizing is extremely
Superfine powder, it is standby；
(6) superfine powder obtained in step (5) is added with nano diatomite, aluminium hydroxide, Fanglun slurry cake, acrylic emulsion
In high-speed mixer, with the speed stirring 30min of 600-800r/min at 150 DEG C, it is subsequently adding shitosan and continues stirring
10min, it is standby；
(7) by the beginning of glass fibre powder obtained in step (3) and Merlon, Low Density Polyethylene, titanate coupling agent
After mixed, send in high-speed mixer, add material obtained in step (6), stirred with 1600r/min speed at 110-140 DEG C
10-20min, it is standby；
(8) mixed material obtained in step (7) is sent in double screw extruder and extrudes, add azo in extrusion
Diformamide, Calcium Carbonate, potassium pyrophosphate, foam stabiliser, extrusion, dehydration obtain final product the sound-absorbing lightweight Merlon foaming
Plastics.
Embodiment 5
A kind of sound-absorbing lightweight Merlon foamed plastic, make the Merlon foamed plastic raw material include it is following heavy
Each composition of amount number：110 parts of Merlon, 20 parts of glass fabric, 6 parts of expanded vermiculite, 10 parts of nano diatomite, hydroxide
6 parts of aluminum, 1 part of azodicarbonamide, 3 parts of Calcium Carbonate, 2 parts of potassium pyrophosphate, 0.3 part of foam stabiliser, 5 parts of mica powder, low-density
15 parts of polyethylene, 16 parts of Fanglun slurry cake, 7 parts of shitosan, 0.4 part of titanate coupling agent, 0.3 part of MTES, wood
0.4 part of quality sodium sulfonate, 15 parts of acrylic emulsion.
The preparation method of the sound-absorbing lightweight Merlon foamed plastic is comprised the following steps：
(1) glass fabric ear material is weighed, is cleaned to without mud, dirt etc., is dried to no moisture, then will be dried
Glass fabric ear material is sent into segment cutter and carries out cutting, is cut into the segment material that length is 4-5cm；
(2) the glass fabric segment material as obtained by proportioning weighs step (1), feeding microwave dryer carry out microwave and do
Dry, microwave drying temperature is 150-200 DEG C, and the time is 1-3min；
(3) the glass fabric segment material after step (2) microwave drying is sent into into nano-level grinder, is ground, obtains glass
Glass fiber dust；
(4) expanded vermiculite, mica powder are crushed, and is crossed 80 mesh sieves, after mix homogeneously, be 18% with mass fraction
Sodium hydrate aqueous solution ultrasonic agitation soaks 2h, washs to neutrality, drying for standby；
(5) expanded vermiculite after step (4) process, mica powder gross weight are designated as into 1 part, add methyltriethoxy silane
Alkane, sodium lignin sulfonate and appropriate distilled water, after ultrasonic agitation 30min, by all materials microwave drying, then micronizing is extremely
Superfine powder, it is standby；
(6) superfine powder obtained in step (5) is added with nano diatomite, aluminium hydroxide, Fanglun slurry cake, acrylic emulsion
In high-speed mixer, with the speed stirring 30min of 800r/min at 150 DEG C, it is subsequently adding shitosan and continues stirring 10min,
It is standby；
(7) by the beginning of glass fibre powder obtained in step (3) and Merlon, Low Density Polyethylene, titanate coupling agent
After mixed, send in high-speed mixer, add material obtained in step (6), stirred with 1800r/min speed at 110-140 DEG C
10-20min, it is standby；
(8) mixed material obtained in step (7) is sent in double screw extruder and extrudes, add azo in extrusion
Diformamide, Calcium Carbonate, potassium pyrophosphate, foam stabiliser, extrusion, dehydration obtain final product the sound-absorbing lightweight Merlon foaming
Plastics.
Performance test
The absorptance of the sound-absorbing lightweight Merlon foamed plastic of the present invention is 1.29, and the present invention is also to embodiment 1-
The mechanical property of the sound-absorbing lightweight Merlon foamed plastic prepared by 5 is tested, and testing standard and test result are such as
Shown in table 1.
1 mechanical experimental results of table
| Density g/cm3 | Tensile strength MPa | Izod notched impact strength MPa | |
| Embodiment 1 | 0.812 | 39.8 | 75 |
| Embodiment 2 | 0.891 | 42.5 | 86 |
| Embodiment 3 | 0.783 | 43.9 | 95 |
| Embodiment 4 | 0.841 | 37.8 | 96 |
| Embodiment 5 | 0.812 | 42.9 | 84 |
Above-mentioned test result shows that the density of the sound-absorbing lightweight Merlon foamed plastic prepared by the present invention is in 1g/
cm3Hereinafter, density is less, while with good sound absorption qualities and mechanical property.
The above is the preferred embodiment of the present invention, its object is to allow person skilled in the art to understand the present invention
Content is simultaneously carried out, it is noted that for those skilled in the art, without departing from the principle of the invention
Under the premise of, addition, the selection of concrete mode of the equivalence replacement to raw material selected by the present invention and auxiliary element can also be made,
Or to each particular technique feature described in above-mentioned specific embodiment, in the case of reconcilable, by any conjunction
Suitable mode is combined, and the addition of these equivalence replacements and auxiliary element, combination of particular technique feature etc. are also considered as this
The protection domain of invention.
Claims (8)
1. a kind of sound-absorbing lightweight Merlon foamed plastic, it is characterised in that make the raw material of the Merlon foamed plastic
Including each composition of following parts by weight：Merlon 80-120 parts, glass fabric 10-20 parts, expanded vermiculite 6-10 parts, receive
Rice kieselguhr 6-10 parts, aluminium hydroxide 4-8 parts, azodicarbonamide 1-2 parts, Calcium Carbonate 1-3 part, potassium pyrophosphate 1-2 parts, foam
Stabilizer 0.2-0.4 parts, mica powder 4-6 parts, Low Density Polyethylene 15-25 parts, Fanglun slurry cake 8-16 parts, shitosan 4-8 parts, titanium
Acid esters coupling agent 0.3-0.6 parts, MTES 0.3-0.5 parts, sodium lignin sulfonate 0.2-0.5 parts, propylene yogurt
Liquid 10-20 parts.
2. a kind of sound-absorbing lightweight Merlon foamed plastic as claimed in claim 1, it is characterised in that make the poly- carbonic acid
The raw material of ester foaming plastics includes each composition of following parts by weight：80 parts of Merlon, 10 parts of glass fabric, expanded vermiculite
6 parts, 6 parts of nano diatomite, 4 parts of aluminium hydroxide, 1 part of azodicarbonamide, 1 part of Calcium Carbonate, 1 part of potassium pyrophosphate, foam stabilization
0.2 part of agent, 4 parts of mica powder, 15 parts of Low Density Polyethylene, 8 parts of Fanglun slurry cake, 4 parts of shitosan, 0.3 part of titanate coupling agent, first
0.3 part of ethyl triethoxy silicane alkane, 0.2 part of sodium lignin sulfonate, 10 parts of acrylic emulsion.
3. a kind of sound-absorbing lightweight Merlon foamed plastic as claimed in claim 1, it is characterised in that make the poly- carbonic acid
The raw material of ester foaming plastics includes each composition of following parts by weight：120 parts of Merlon, 20 parts of glass fabric, expansion trematodiasiss
10 parts of stone, 10 parts of nano diatomite, 8 parts of aluminium hydroxide, 2 parts of azodicarbonamide, 3 parts of Calcium Carbonate, 2 parts of potassium pyrophosphate, foam
0.4 part of stabilizer, 6 parts of mica powder, 25 parts of Low Density Polyethylene, 16 parts of Fanglun slurry cake, 8 parts of shitosan, titanate coupling agent 0.6
Part, 0.5 part of MTES, 0.5 part of sodium lignin sulfonate, 20 parts of acrylic emulsion.
4. a kind of sound-absorbing lightweight Merlon foamed plastic as claimed in claim 1, it is characterised in that make the poly- carbonic acid
The raw material of ester foaming plastics includes each composition of following parts by weight：100 parts of Merlon, 15 parts of glass fabric, expansion trematodiasiss
8 parts of stone, 8 parts of nano diatomite, 6 parts of aluminium hydroxide, 1.5 parts of azodicarbonamide, 2 parts of Calcium Carbonate, 1.5 parts of potassium pyrophosphate, bubble
0.3 part of foam stabilizers, 5 parts of mica powder, 20 parts of Low Density Polyethylene, 12 parts of Fanglun slurry cake, 6 parts of shitosan, titanate coupling agent
0.5 part, 0.4 part of MTES, 0.35 part of sodium lignin sulfonate, 15 parts of acrylic emulsion.
5. the preparation method of a kind of sound-absorbing lightweight Merlon foamed plastic described in any one of claim 1-4, its feature
It is to comprise the following steps：
(1) glass fabric ear material is weighed, is cleaned to without mud, dirt etc., is dried to no moisture, then by dried glass
Fiber cloth ear material is sent into segment cutter and carries out cutting, is cut into the segment material that length is 4-5cm；
(2) the glass fabric segment material as obtained by proportioning weighs step (1), sending into microwave dryer carries out microwave drying, micro-
Ripple baking temperature is 150-200 DEG C, and the time is 1-3min；
(3) the glass fabric segment material after step (2) microwave drying is sent into into nano-level grinder, is ground, obtains glass fibers
Dimension powder；
(4) expanded vermiculite, mica powder are crushed, and is crossed 80 mesh sieves, after mix homogeneously, be 10-20%'s with mass fraction
Sodium hydrate aqueous solution ultrasonic agitation soaks 2h, washs to neutrality, drying for standby；
(5) expanded vermiculite after step (4) process, mica powder gross weight are designated as into 1 part, add MTES, wood
Quality sodium sulfonate and appropriate distilled water, after ultrasonic agitation 30min, by all materials microwave drying, then micronizing is to ultra micro
Powder, it is standby；
(6) superfine powder obtained in step (5) is added at a high speed with nano diatomite, aluminium hydroxide, Fanglun slurry cake, acrylic emulsion
In mixer, with the speed stirring 30min of 600-800r/min at 150 DEG C, it is subsequently adding shitosan and continues stirring 10min,
It is standby；
(7) after mixing at the beginning of glass fibre powder obtained in step (3) and Merlon, Low Density Polyethylene, titanate coupling agent,
Send in high-speed mixer, add material obtained in step (6), high-speed stirred 10-20min at 110-140 DEG C is standby；
(8) mixed material obtained in step (7) is sent in double screw extruder and extrudes, add azo diformazan in extrusion
Amide, Calcium Carbonate, potassium pyrophosphate, foam stabiliser, extrusion load mould, and being re-fed into vulcanizing press carries out crosslinked foaming, send out
After the completion of bubble, the sound-absorbing lightweight Merlon foamed plastic is obtained final product.
6. a kind of preparation method of sound-absorbing lightweight Merlon foamed plastic as claimed in claim 5, it is characterised in that step
Suddenly in (4), the mass fraction of sodium hydrate aqueous solution is 15%.
7. a kind of preparation method of sound-absorbing lightweight Merlon foamed plastic as claimed in claim 5, it is characterised in that step
Suddenly (7) high speed mixer high-speed stirred speed is 1500-2000r/min.
8. a kind of preparation method of sound-absorbing lightweight Merlon foamed plastic as claimed in claim 7, it is characterised in that step
Suddenly (7) high speed mixer high-speed stirred speed is 1700r/min.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964154A (en) * | 2017-12-08 | 2018-04-27 | 郑州艾莫弗信息技术有限公司 | Good automotive interior material of a kind of acoustically effective and preparation method thereof |
| CN108412242A (en) * | 2018-03-23 | 2018-08-17 | 苏州龙行洲实业有限公司 | A kind of secure telephone pavilion shell that sound absorption is durable |
| CN108752896A (en) * | 2018-05-28 | 2018-11-06 | 赵锋 | A kind of method that polycarbonate plastic recycling prepares sound-absorbing material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964154A (en) * | 2017-12-08 | 2018-04-27 | 郑州艾莫弗信息技术有限公司 | Good automotive interior material of a kind of acoustically effective and preparation method thereof |
| CN108412242A (en) * | 2018-03-23 | 2018-08-17 | 苏州龙行洲实业有限公司 | A kind of secure telephone pavilion shell that sound absorption is durable |
| CN108752896A (en) * | 2018-05-28 | 2018-11-06 | 赵锋 | A kind of method that polycarbonate plastic recycling prepares sound-absorbing material |
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