CN109534838A - A kind of preparation method of graphene modified pitch based composites soundproof plate - Google Patents

A kind of preparation method of graphene modified pitch based composites soundproof plate Download PDF

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Publication number
CN109534838A
CN109534838A CN201811647062.6A CN201811647062A CN109534838A CN 109534838 A CN109534838 A CN 109534838A CN 201811647062 A CN201811647062 A CN 201811647062A CN 109534838 A CN109534838 A CN 109534838A
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soundproof plate
graphene modified
based composites
modified pitch
preparation
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CN201811647062.6A
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马开梅
何平伟
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Xinghua Precision Casting And Forging Industry Research Institute Co Ltd
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Xinghua Precision Casting And Forging Industry Research Institute Co Ltd
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Priority to CN201811647062.6A priority Critical patent/CN109534838A/en
Publication of CN109534838A publication Critical patent/CN109534838A/en
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
    • C04B35/83—Carbon fibres in a carbon matrix
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/421—Boron
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422—Carbon
    • C04B2235/425—Graphite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/48—Organic compounds becoming part of a ceramic after heat treatment, e.g. carbonising phenol resins
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6562—Heating rate
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Composite Materials (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

The invention discloses a kind of preparation method of graphene modified pitch based composites soundproof plate, this method are as follows: one, using short carbon fiber, powdered carbon, graphite powder, boron powder, pitch as main raw material(s), and add suitable grapheme material；Two, Carbon fibe mixture is configured by a certain percentage；Three, press curing forms；Four, charing process；Five, cold primer-oil dipping, curing and carbonization treatment；Six, after being machined, graphene modified pitch based composites soundproof plate is made.The present invention has the characteristics that charcoal/charcoal soundproof plate of high strength & high electric-conduction and high thermal conductivity as lubricant, the wearability of boron powder and graphene as reinforcement, graphite powder as skeleton, pitch carbon matrix, powdered carbon using Carbon fibe, with waterproof, fire prevention, anti-aging, impact resistance is good, with material low energy consumption, environmental protection, discarded rear no pollution to the environment, in use, the advantages that soundproof effect is good.

Description

A kind of preparation method of graphene modified pitch based composites soundproof plate
Technical field
The invention belongs to field of new materials, and in particular to a kind of corrosion-resistant, anti-aging, low-density composite soundproof plate Material.
Background technique
Soundproof plate is a kind of plate for acting on soundproof effect.There are building sound insulation and structures sound insulation to classify.Soundproof plate The sound of not all frequency can obstruct, and object has natural reonant frequency, close to the sound of object resonance frequency, sound insulation The soundproof effect of plate significantly reduces.Soundproof plate has the difference every air-borne sound and chatter.Air-borne sound soundproof plate, that is, obstruct be The plate for the sound propagated in air.What chatter soundproof plate obstructed is in rigid member (such as armored concrete monoblock type room Room) in propagate sound plate and system.
There are some soundproof plates that rubber layer, damping material or deadening felt etc. are installed between the two plates in the market to be made into, In this way, can improve soundproof effect to a certain extent in short-term, but its soundproof effect can with the time and It gradually decreases.It is well known that the materials such as rubber in air can slowly aging, cause it to be gradually hardened and lose elasticity, thus Soundproof effect is caused to gradually decrease with the time.On the other hand, this that rubber layer or sound insulation carpet veneer are installed among two boards Way, project cost is also very high.
Existing sound insulating sheet material mostly uses organic and inorganic fiber, sponge, foamed board etc. to be made, and has the disadvantages that anti- Water, fire prevention, anti-aging, impact resistance is poor, timber height energy consumption not environmentally, it is discarded after have pollution to environment, in use, Soundproof effect is poor, while can not block the noise of lower frequency, causes practical function bad.Therefore, to solve the above problems, it is special The new technical solution of one kind is provided and carrys out meet demand.
Summary of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, to solve existing heavy-load automobile brake block heat transmitting and heat-resisting Property poor, the unstable technical problem for causing brake block coefficient of friction unstable of material, have using graphene high-intensitive, highly conductive The characteristics of property and high thermal conductivity, and good a kind of simple process, densification effects, high mechanical strength, wearability and heat-resisting are provided Excellent charcoal/charcoal heavy-load automobile brake block the preparation method of property.
To achieve the goals above, the technical scheme adopted by the invention is that: a kind of graphene modified pitch base composite wood Expect the preparation method of soundproof plate, it is characterised in that method includes the following steps:
Step 1: suitable stone is added as main raw material(s) using short carbon fiber, powdered carbon, graphite powder, boron powder, pitch Black alkene material.
Step 2: being stirred in agitator tank after material in step 1 is weighed in proportion, mixing time 4h- 12h。
Step 3: mixture in step 2 is placed in steel mold, the compression moulding on multidaylight press, and pressure is 0.5Mpa-40 Mpa。
Step 4: the semi-finished product of compression moulding in step 3 being placed in retort and carry out charing process, and carbonization temperature is 700℃-1000℃。
Step 5: the semi-finished product after charing process in step 4 are entered in Asphalt tank, carry out impregnating by pressure, and pressure is Dipping 2h-10h is carried out under 0.5MPa-4.0MPa, then carries out curing process, and solidification temperature is 100 DEG C -180 DEG C, is turned after coming out of the stove Retort charing process, carbonization temperature are 700 DEG C -1000 DEG C.
Step 6: graphene modified pitch base is made after over mechanical processing in the composite body that step 5 is come out of the stove Composite material soundproof plate.
A kind of preparation method of above-mentioned graphene modified pitch based composites soundproof plate, which is characterized in that step 1 Described in short carbon fiber length be 5mm-40mm, the granular size of powdered carbon is 100 mesh hereinafter, the granular size of graphite powder is 100 mesh are hereinafter, boron powder particles size is 500 mesh hereinafter, pitch is coal tar pitch or asphalt.
A kind of preparation method of above-mentioned graphene modified pitch based composites soundproof plate, which is characterized in that step 2 Described in Carbon fibe weight percent be 10wt%-50wt%, powdered carbon weight percent be 5wt%-20wt%, graphite powder weight hundred Divide than being 1wt%-10wt%, boron powder weight percent is 0.1wt%-5wt%, and pitch weight percent is 10wt%-60wt%, graphite Alkene additive amount is 0.05 wt%-1.0 wt%.
A kind of preparation method of above-mentioned graphene modified pitch based composites soundproof plate, which is characterized in that step 3 Described in press curing technique, heating rate is 5 DEG C/h-50 DEG C/h, and solidification temperature is 100 DEG C -180 DEG C, and soaking time is 0.5h-5.0h。
A kind of preparation method of above-mentioned graphene modified pitch based composites soundproof plate, which is characterized in that step 4 Described in carbonization heating rate be 5 DEG C/h-50 DEG C/h, soaking time 1.0h-5.0h.
A kind of preparation method of above-mentioned graphene modified pitch based composites soundproof plate, which is characterized in that step 5 Described in solidification heating rate be 5 DEG C/h-50 DEG C/h, soaking time 1.0h-5.0h, carbonization heating rate be 2 DEG C/h-30 DEG C/h, soaking time 1.0h-5.0h.
Compared with the prior art, the present invention has the following advantages:
1, compared with the technology of preparing of traditional soundproof plate, the present invention is using Carbon fibe as skeleton, pitch carbon matrix, powdered carbon conduct Reinforcement, graphite powder have high strength & high electric-conduction and high-termal conductivity as lubricant, the wearability of boron powder and graphene The features such as energy, charcoal/charcoal soundproof plate of preparation, with waterproof, fire prevention, anti-aging, impact resistance is good, with material low energy consumption, ring No pollution to the environment after protecting, being discarded, in use, the advantages that soundproof effect is good.
2, present invention process is simple, and soundproof effect is good, and is easy to produce in enormous quantities, can according to it is different require by material with Meaning carries out processing excision forming.
Detailed description of the invention
Fig. 1 is the process flow diagram that the present invention prepares graphene modified pitch based composites soundproof plate.
Specific embodiment
Embodiment 1
Step 1: suitable stone is added as main raw material(s) using short carbon fiber, powdered carbon, graphite powder, boron powder, pitch Black alkene material, short carbon fiber length are 5mm, and the granular size of powdered carbon is 120 mesh, and the granular size of graphite powder is 120 mesh, boron Powder particles size is 600 mesh, and pitch is coal tar pitch.
Step 2: being stirred in agitator tank after material in step 1 is weighed in proportion, Carbon fibe weight percent Than for 10wt%, powdered carbon weight percent is 20wt%, graphite powder weight percent is 10wt%, and boron powder weight percent is 5wt%, Pitch weight percent is 54.95wt%, and graphene additive amount is 0.05 wt%, mixing time 4h.
Step 3: mixture in step 2 is placed in steel mold, the compression moulding on multidaylight press, and pressure is 0.5Mpa, solidification heating rate are 5 DEG C/h, and solidification temperature is 100 DEG C, soaking time 0.5h.
Step 4: the semi-finished product of compression moulding in step 3 being placed in retort and carry out charing process, and carbonization temperature is 700 DEG C, carbonization heating rate is 5 DEG C/h, soaking time 1.0h.
Step 5: the semi-finished product after charing process in step 4 are entered in Asphalt tank, carry out impregnating by pressure, and pressure is Dipping 2h is carried out under 0.5MPa, then carries out curing process, and solidification temperature is 100 DEG C, and solidification heating rate is 5 DEG C/h, heat preservation Time is 1.0h, turns retort charing process after coming out of the stove, and carbonization temperature is 700 DEG C, and carbonization heating rate is 2 DEG C/h, when heat preservation Between be 1.0h.
Step 6: graphene modified pitch base is made after over mechanical processing in the composite body that step 5 is come out of the stove Composite material soundproof plate.
Embodiment 2
Step 1: suitable stone is added as main raw material(s) using short carbon fiber, powdered carbon, graphite powder, boron powder, pitch Black alkene material, short carbon fiber length are 20mm, and the granular size of powdered carbon is 200 mesh, and the granular size of graphite powder is 200 mesh, Boron powder particles size is 700 mesh, and pitch is asphalt.
Step 2: being stirred in agitator tank after material in step 1 is weighed in proportion, Carbon fibe weight percent Than for 30wt%, powdered carbon weight percent is 10wt%, graphite powder weight percent is 5wt%, and boron powder weight percent is 3wt%, Pitch weight percent is 51.9wt%, and graphene additive amount is 0.1wt%, mixing time 8h.
Step 3: mixture in step 2 is placed in steel mold, the compression moulding on multidaylight press, pressure 10Mpa, Solidification heating rate is 15 DEG C/h, and solidification temperature is 150 DEG C, soaking time 2h.
Step 4: the semi-finished product of compression moulding in step 3 being placed in retort and carry out charing process, and carbonization temperature is 800 DEG C, carbonization heating rate is 15 DEG C/h, soaking time 2.0h.
Step 5: the semi-finished product after charing process in step 4 are entered in Asphalt tank, carry out impregnating by pressure, and pressure is Dipping 5h is carried out under 1.5MPa, then carries out curing process, and solidification temperature is 150 DEG C, and solidification heating rate is 18 DEG C/h, heat preservation Time is 2.5h, turns retort charing process after coming out of the stove, and carbonization temperature is 800 DEG C, and carbonization heating rate is 15 DEG C/h, when heat preservation Between be 2.5h.
Step 6: graphene modified pitch base is made after over mechanical processing in the composite body that step 5 is come out of the stove Composite material soundproof plate.
Embodiment 3
Step 1: suitable stone is added as main raw material(s) using short carbon fiber, powdered carbon, graphite powder, boron powder, pitch Black alkene material, short carbon fiber length are 40mm, and the granular size of powdered carbon is 300 mesh, and the granular size of graphite powder is 300 mesh, Boron powder particles size is 800 mesh, and pitch is asphalt.
Step 2: being stirred in agitator tank after material in step 1 is weighed in proportion, Carbon fibe weight percent Than for 50wt%, powdered carbon weight percent is 8wt%, graphite powder weight percent is 1wt%, and boron powder weight percent is 2wt%, drip Green weight percent is 38wt%, and graphene additive amount is 1.0 wt%, mixing time 12h.
Step 3: mixture in step 2 is placed in steel mold, the compression moulding on multidaylight press, pressure 40Mpa, Solidification heating rate is 50 DEG C/h, and solidification temperature is 180 DEG C, soaking time 5h.
Step 4: the semi-finished product of compression moulding in step 3 being placed in retort and carry out charing process, and carbonization temperature is 1000 DEG C, carbonization heating rate is 50 DEG C/h, soaking time 5.0h.
Step 5: the semi-finished product after charing process in step 4 are entered in Asphalt tank, carry out impregnating by pressure, and pressure is Dipping 10h is carried out under 4.0MPa, then carries out curing process, and solidification temperature is 180 DEG C, and solidification heating rate is 50 DEG C/h, is protected The warm time is 5.0h, turns retort charing process after coming out of the stove, and carbonization temperature is 1000 DEG C, and carbonization heating rate is 30 DEG C/h, is protected The warm time is 5.0h.
Step 6: graphene modified pitch base is made after over mechanical processing in the composite body that step 5 is come out of the stove Composite material soundproof plate.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention Technical spirit any simple modification, change and equivalent structure transformation to the above embodiments, still fall within skill of the present invention In the protection scope of art scheme.

Claims (6)

1. a kind of preparation method of graphene modified pitch based composites soundproof plate, it is characterised in that this method includes following step It is rapid:
Step 1: suitable stone is added as main raw material(s) using short carbon fiber, powdered carbon, graphite powder, boron powder, pitch Black alkene material；
Step 2: being stirred in agitator tank after material in step 1 is weighed in proportion, mixing time 4h-12h；
Step 3: mixture in step 2 is placed in steel mold, the compression moulding on multidaylight press, pressure 0.5Mpa-40 Mpa；
Step 4: the semi-finished product of compression moulding in step 3 being placed in retort and carry out charing process, carbonization temperature 700 ℃-1000℃；
Step 5: the semi-finished product after charing process in step 4 are entered in Asphalt tank, carry out impregnating by pressure, and pressure is Dipping 2h-10h is carried out under 0.5MPa-4.0MPa, then carries out curing process, and solidification temperature is 100 DEG C -180 DEG C, is turned after coming out of the stove Retort charing process, carbonization temperature are 700 DEG C -1000 DEG C；
Step 6: it is compound that graphene modified pitch base is made after over mechanical processing in the composite body that step 5 is come out of the stove Material soundproof plate.
2. a kind of preparation method of graphene modified pitch based composites soundproof plate according to claim 1, feature It is, short carbon fiber length described in step 1 is 5mm-40mm, and the granular size of powdered carbon is 100 mesh hereinafter, graphite powder Granular size be 100 mesh hereinafter, boron powder particles size is 500 mesh hereinafter, pitch is coal tar pitch or asphalt.
3. a kind of preparation method of graphene modified pitch based composites soundproof plate according to claim 1, feature It is, Carbon fibe weight percent described in step 2 is 10wt%-50wt%, and powdered carbon weight percent is 5wt%-20wt%, Graphite powder weight percent is 1wt%-10wt%, and boron powder weight percent is 0.1wt%-5wt%, and pitch weight percent is 10wt%-60wt%, graphene additive amount are 0.05 wt%-1.0 wt%.
4. a kind of preparation method of graphene modified pitch based composites soundproof plate according to claim 1, feature It is, press curing technique described in step 3, heating rate is 5 DEG C/h-50 DEG C/h, and solidification temperature is 100 DEG C -180 DEG C, Soaking time is 0.5h-5.0h.
5. a kind of preparation method of graphene modified pitch based composites soundproof plate according to claim 1, feature It is, carbonization heating rate described in step 4 is 5 DEG C/h-50 DEG C/h, soaking time 1.0h-5.0h.
6. a kind of preparation method of graphene modified pitch based composites soundproof plate according to claim 1, feature It is, solidification heating rate described in step 5 is 5 DEG C/h-50 DEG C/h, soaking time 1.0h-5.0h, charing heating speed Rate is 2 DEG C/h-30 DEG C/h, soaking time 1.0h-5.0h.
CN201811647062.6A 2018-12-30 2018-12-30 A kind of preparation method of graphene modified pitch based composites soundproof plate Withdrawn CN109534838A (en)

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Application Number Priority Date Filing Date Title
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