CN116199969A - Composite honeycomb plate material and preparation method and application thereof - Google Patents
Composite honeycomb plate material and preparation method and application thereof Download PDFInfo
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- CN116199969A CN116199969A CN202211662775.6A CN202211662775A CN116199969A CN 116199969 A CN116199969 A CN 116199969A CN 202211662775 A CN202211662775 A CN 202211662775A CN 116199969 A CN116199969 A CN 116199969A
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- 239000000463 material Substances 0.000 title claims abstract description 73
- 239000002131 composite material Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 37
- 238000001746 injection moulding Methods 0.000 claims abstract description 119
- 239000000835 fiber Substances 0.000 claims abstract description 70
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000010455 vermiculite Substances 0.000 claims abstract description 65
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 65
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 65
- 238000002156 mixing Methods 0.000 claims abstract description 61
- 238000000034 method Methods 0.000 claims abstract description 31
- 239000002994 raw material Substances 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 238000011056 performance test Methods 0.000 claims abstract description 30
- 238000005303 weighing Methods 0.000 claims abstract description 30
- 238000001125 extrusion Methods 0.000 claims abstract description 3
- 238000001035 drying Methods 0.000 claims description 88
- 239000012856 weighed raw material Substances 0.000 claims description 29
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000004743 Polypropylene Substances 0.000 description 161
- 229920001155 polypropylene Polymers 0.000 description 161
- 230000000694 effects Effects 0.000 description 5
- 239000003365 glass fiber Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000013329 compounding Methods 0.000 description 3
- 229910021389 graphene Inorganic materials 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- -1 Polypropylene Polymers 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004482 other powder Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000011206 ternary composite Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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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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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a composite honeycomb board material, a preparation method and application thereof, and specifically comprises the following steps: weighing the dried PP, aluminum silicate fiber, vermiculite and GO according to a certain proportion, firstly adding white oil into the PP, then pouring all the weighed other raw materials and the PP into a mixing drum, and uniformly mixing; step 2: the uniform mixed material is added into a double-screw extruder through a charging barrel to be melted; step 3: blending and extruding the molten state extrusion film through an extruder, and cooling and granulating; step 4: the premix is subjected to injection molding, and performance test is performed after the premix is placed at room temperature for at least 24 hours. The sandwich board is prepared by adopting the one-step hot press molding, so that the energy loss is greatly reduced, the cost of industrial production is reduced, and the operation process is simple and easy to implement. The prepared composite material honeycomb plate can greatly improve the strength, the wear resistance, the heat resistance and the workability of the composite material while ensuring the mechanical properties.
Description
Technical Field
The invention belongs to the technical field of preparation of high polymer materials, and particularly relates to a composite honeycomb plate material, a preparation method and application thereof.
Background
With the application research of light and high-performance engineering materials, the composite material can integrate the performance advantages of various materials so as to optimize the performance of the composite material. The honeycomb plate is used as a composite material with a special sandwich structure, the upper panel and the lower panel (skin) provide high strength and rigidity, the characteristics of thinner thickness are required to be met, and the core consists of a honeycomb core with light weight and large thickness. Polypropylene (PP) has excellent physicochemical properties such as heat resistance, electrical insulation, high strength, and good abrasion resistance processability as the most widely used thermoplastic lightweight general purpose plastic. These excellent properties make PP a good choice for honeycomb sandwich panels. But the PP honeycomb sandwich panel is not flexible at high temperatures. In addition, the pure PP is easy to degrade, difficult to dye, easy to crack at low temperature, and has large product size shrinkage rate and the like. Resulting in a great limitation of the application range and the functions thereof. Therefore, in order to improve the performance of PP, the physicochemical properties thereof can be improved by compounding PP with other materials.
Glass fiber reinforced polypropylene honeycomb panels (GF/PP) are currently the most common due to the low density of Glass Fibers (GF), excellent thermal insulation and chemical stability. But GF has poor thermal conductivity, and softening and decomposition of the polymer at high temperature results in a decrease in the degree of bonding of the fiber and the matrix. The ceramic fiber has the advantages of high strength, good thermal shock resistance, chemical corrosion resistance and the like. Wherein the aluminum silicate fiber (diameter about 2-5 μm and length about 30-250 mm) has a smooth cylindrical surface with a generally circular cross section. The aluminum silicate fiber has the structural characteristics of high porosity and large pore diameter, so that the aluminum silicate fiber has excellent heat insulation performance and smaller volume density, but has poor compression resistance. Therefore, the mechanical properties of the aluminum silicate fiber after being compounded with PP still need to be further improved.
Graphene Oxide (GO) is a derivative of graphene, and the surface layer and the boundary of the graphene contain a large number of oxygen-containing groups such as hydroxyl groups, carboxyl groups and the like, so that the graphene oxide can be well combined with an organic high-molecular polymer to achieve the aim of compounding. Meanwhile, GO has extremely large specific surface area and relatively strong mechanical properties. In the process of compounding GO serving as an additive with PP and aluminum silicate fibers, the large specific surface area provided by GO can effectively disperse the adhesion material, so that the strength of the PP honeycomb plate is effectively improved. Compared with a single polymer, the ternary composite material can exert the synergistic effect, and comprehensively improve the mechanical and thermal properties and chemical stability of the material. It can be seen that GO has great potential in applications in PP honeycomb panels. However, when the content of GO is too much, GO is aggregated, so that the strength of the honeycomb panel is not improved, and the formed PP honeycomb panel is darkened and is not easy to dye. Therefore, the research on the mechanical properties and the regulation and control mechanism of the GO, PP and aluminum silicate fiber composite materials with different proportions has important significance.
To further reduce cost and noise, vermiculite may be added as a filler to the GO/PP composite. Vermiculite is a magnesium-containing hydroaluminosilicate of layered structure, which is milky white, low in density and has excellent sound absorption. After the PP, the aluminum silicate fiber, the vermiculite and the GO are compounded, the strength, the wear resistance, the heat resistance and the workability of the composite material can be greatly improved. In addition, the GO and the vermiculite can also reduce the quality of the composite material and achieve the effect of reducing noise while ensuring the mechanical properties.
Therefore, the invention provides a composite honeycomb plate material, and a preparation method and application thereof.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a composite honeycomb plate material, and a preparation method and application thereof.
The invention relates to a composite honeycomb board material, and a preparation method and application thereof, which are realized by the following technical scheme:
the invention aims to provide a composite honeycomb board material, a preparation method and application thereof, and the composite honeycomb board material comprises the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to a certain proportion, firstly adding white oil into the PP, then pouring all the other weighed raw materials in the step 1 and the PP into a mixing cylinder, covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is caused);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to be 180-200 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 180-220 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Further, the PP, aluminum silicate fiber, vermiculite and GO in step 1 are dried in advance to avoid the influence of moisture.
Further, a small amount of white oil is added in the step 2 to adhere the white oil to the surfaces of the PP resin particles, and then the mixture is fully mixed with other powder.
Further, the injection molding process in the step 4. Since the crystallinity of PP leads to a significant thermal shrinkage behavior of the material, it is necessary to select suitable dwell pressures, dwell times and injection temperatures.
Compared with the prior art, the invention has the following technical effects:
the invention takes aluminum silicate fiber and vermiculite as main raw materials, PP resin as matrix material, GO as additive, and adopts one-step hot press molding to prepare the sandwich board.
Drawings
FIG. 1 is a graph of the impact of adding GO of different mass fractions on the high temperature flexural performance of honeycomb sandwich panels according to the present invention;
FIG. 2 is a graph showing the effect of different dwell pressures on honeycomb sandwich panel strength and thickness in accordance with the present invention;
FIG. 3 is a graph showing the effect of different dwell times of the present invention on honeycomb sandwich panel strength and thickness;
FIG. 4 is a graph showing the effect of different injection molding temperatures on honeycomb sandwich panel strength and thickness according to the present invention.
Detailed Description
The following examples illustrate the invention in further detail.
Example 1
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:2, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: adding the uniform mixed material obtained in the step 2 into a charging barrelTo a twin screw extruder for melting. The temperature of the double-screw extruder in the experimental process is set to be 180-200 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 180-220 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 2
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:4, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to be 180-200 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 180-220 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 3
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to be 180-200 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 180-220 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 4
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:8, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to be 180-200 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 180-220 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 5
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:10, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to be 180-200 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 180-220 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 6
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:12, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to be 180-200 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 180-220 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 7
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:14, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to be 180-200 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 180-220 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 8
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:16, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to be 180-200 ℃, and the main temperature is setThe screw rotation speed is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 180-220 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 9
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 180-220 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 10
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 190 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 180-220 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 11
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to be 200 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 180-220 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 12
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 180 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 13
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 190 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 14
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 200 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 15
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 210 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 16
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 220 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 17
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 210 ℃, the injection molding pressure is 0.4MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 18
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. During the experimentThe temperature of the double-screw extruder is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 210 ℃, the injection molding pressure is 0.45MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 19
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 210 ℃, the injection molding pressure is 0.5MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 20
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 210 ℃, the injection molding pressure is 0.5MPa, the holding pressure is 0.5MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 21
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 210 ℃, the injection molding pressure is 0.5MPa, the holding pressure is 0.6MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 22
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 210 ℃, the injection molding pressure is 0.5MPa, the holding pressure is 0.7MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 23
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 210 ℃, the injection molding pressure is 0.5MPa, the holding pressure is 0.8MPa, and the holding time is 15-30 s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 24
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 210 ℃, the injection molding pressure is 0.5MPa, the holding pressure is 0.7MPa, and the holding time is 15s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 25
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 210 ℃, the injection molding pressure is 0.5MPa, the holding pressure is 0.7MPa, and the holding time is 20s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 26
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 210 ℃, the injection molding pressure is 0.5MPa, the holding pressure is 0.7MPa, and the holding time is 25s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Example 27
A honeycomb-combined plate material, a preparation method and application thereof specifically comprise the following steps of;
step 1: the PP, aluminum silicate fiber, vermiculite and GO are placed in a constant temperature blast drying oven for 5 hours at 70 ℃.
Step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to the proportion of 100:20:10:6, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, tightly covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed (no obvious caking is generated);
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to carry out melt extrusion. The temperature of the double-screw extruder in the experimental process is set to 180 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min.
Step 4: and (3) blending and extruding the molten state extruded film obtained in the step (3) through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours.
Step 5: and (3) carrying out injection molding on the premix obtained in the step (4), wherein the injection molding temperature is 210 ℃, the injection molding pressure is 0.5MPa, the holding pressure is 0.7MPa, and the holding time is 30s. The PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
Claims (1)
1. A composite honeycomb plate material and a preparation method and application thereof are characterized in that: the method specifically comprises the following steps of;
step 1: placing PP, aluminum silicate fiber, vermiculite and GO in a constant-temperature blast drying oven for drying at 70 ℃ for 5 hours;
step 2: weighing PP, aluminum silicate fiber, vermiculite and GO according to a certain proportion, firstly adding white oil into the PP, then pouring all the other weighed raw materials and PP in the step 1 into a mixing cylinder, covering a cover, screwing a bolt and a nut, starting a button, suspending once after about 12 seconds until a blade stops rotating, and repeating the two steps until the raw materials are uniformly mixed;
step 3: and (3) adding the uniform mixed material obtained in the step (2) into a double-screw extruder through a charging barrel to melt. The temperature of the double-screw extruder in the experimental process is set to be 180-200 ℃, and the rotating speed of the main screw is 120 r.min -1 The time was set to 12min;
step 4: blending and extruding the molten state extrusion film obtained in the step 3 through an extruder, cooling and granulating, and drying in a 70 ℃ constant-temperature blast drying oven for 5 hours;
step 5: injection molding is carried out on the premix obtained in the step 4, the injection molding temperature is 180-220 ℃, the injection molding pressure is 0.4-0.5 MPa, the holding pressure is 0.5-0.8 MPa, and the holding time is 15-30 s; the PP honeycomb plate composite material obtained by injection molding needs to be placed at room temperature for at least 24 hours and then subjected to performance test.
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| CN104275836A (en) * | 2013-07-06 | 2015-01-14 | 周挺 | Dimple-shaped honeycomb hollow plate and manufacturing method thereof |
| CN105542316A (en) * | 2016-03-16 | 2016-05-04 | 常州塑金高分子科技有限公司 | Low-odor regeneration modified material special for PP cellular board and preparation technology and application thereof |
| CN112409687A (en) * | 2020-11-12 | 2021-02-26 | 桃江县缘湘聚文化传媒有限责任公司 | Graphene oxide modified polypropylene composite material and preparation method thereof |
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