CN109111754A - A kind of environment protection plant fibre foaming sound-absorbing material and preparation method thereof and drainage mold and molding machine - Google Patents
A kind of environment protection plant fibre foaming sound-absorbing material and preparation method thereof and drainage mold and molding machine Download PDFInfo
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- CN109111754A CN109111754A CN201810991627.6A CN201810991627A CN109111754A CN 109111754 A CN109111754 A CN 109111754A CN 201810991627 A CN201810991627 A CN 201810991627A CN 109111754 A CN109111754 A CN 109111754A
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- drainage
- molding machine
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- water
- sound
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- 238000000465 moulding Methods 0.000 title claims abstract description 44
- 239000000835 fiber Substances 0.000 title claims abstract description 34
- 238000005187 foaming Methods 0.000 title claims abstract description 24
- 239000011358 absorbing material Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 47
- 241000196324 Embryophyta Species 0.000 claims abstract description 31
- 241000609240 Ambelania acida Species 0.000 claims abstract description 15
- 239000010905 bagasse Substances 0.000 claims abstract description 15
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 239000010893 paper waste Substances 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- 238000010521 absorption reaction Methods 0.000 claims description 15
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 14
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 14
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- 229920002261 Corn starch Polymers 0.000 claims description 12
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 12
- 239000008120 corn starch Substances 0.000 claims description 12
- 229940099112 cornstarch Drugs 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 12
- 239000006260 foam Substances 0.000 claims description 11
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 238000000967 suction filtration Methods 0.000 claims description 9
- 229910021538 borax Inorganic materials 0.000 claims description 7
- 235000011187 glycerol Nutrition 0.000 claims description 7
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 7
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 7
- 239000004328 sodium tetraborate Substances 0.000 claims description 7
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 238000003828 vacuum filtration Methods 0.000 claims description 6
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 5
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 5
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 5
- 239000001099 ammonium carbonate Substances 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 238000002474 experimental method Methods 0.000 claims description 5
- 239000004088 foaming agent Substances 0.000 claims description 5
- 239000011268 mixed slurry Substances 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000001802 infusion Methods 0.000 claims description 2
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 4
- 239000003063 flame retardant Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 2
- 238000010907 mechanical stirring Methods 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000006213 oxygenation reaction Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 238000003756 stirring Methods 0.000 description 5
- 239000006261 foam material Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000010494 dissociation reaction Methods 0.000 description 3
- 230000005593 dissociations Effects 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- HPAVSHLOCSRBQS-UHFFFAOYSA-N CCCCCCCCCCCCCCCCCCCl(C)(C)CC1=CC=CC=C1 Chemical compound CCCCCCCCCCCCCCCCCCCl(C)(C)CC1=CC=CC=C1 HPAVSHLOCSRBQS-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- SFVFIFLLYFPGHH-UHFFFAOYSA-M stearalkonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 SFVFIFLLYFPGHH-UHFFFAOYSA-M 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—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 carbon dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/009—Use of pretreated compounding ingredients
-
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose
-
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2397/00—Characterised by the use of lignin-containing materials
- C08J2397/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/02—Cellulose; Modified cellulose
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- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2429/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2497/00—Characterised by the use of lignin-containing materials
- C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Emergency Medicine (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The present invention relates to a kind of environment protection plant fibre foaming sound-absorbing materials and preparation method thereof and drainage mold and molding machine.Environment protection plant fibre foaming sound-absorbing material waste paper and bagasse are raw material, after fiber separation, brooming, oxygenation pretreatment, and it is put into drainage and molding machine by mechanical stirring, drainage foamed material after molding is put into micro-wave oven and carries out microwave foaming, and after drying, arranging modification, the foamed material with certain pore structure can be obtained.Material price of the present invention is cheap to be easy to get, and by selected specific formula, enhances internal pore structure, not only has sound absorbing performance, while also having shock resistance, insulation, fire retardant, anticorrosive, the good characteristics such as degradable green.In addition using the mold specially designed, existing free foaming is solved the problems, such as, so that the foaming body surface obtained is uniform, center is without recess, and shape is regular.
Description
Technical field
It foams sound-absorbing material the invention discloses a kind of environment protection plant fibre, in particular to one kind can be used for absorbing sound place
The preparation method of the plant fiber foam material of reason, and process the plant fiber foamed sound-absorbing material used two set it is dedicated
Mold, water treatment plant mold and molding machine mold.
Background technique
With the fast development of China's aviation, railway, highway and urban transportation, noise has become main environment
Pollution problem.The basic method of control noise is to achieve the purpose that noise reduction by sound absorption.Most widely used at present is foam plastic
Expect that sound-absorbing material is mainly polyurethane foam plastics, although having strong sound absorber of good performance, polyurethane foam is a kind of
The thermosetting plastics that can not be dissolved can neither be melted, environmental pollution is extremely serious.Therefore plant fiber foamed sound-absorbing material
As new research hotspot, sponge as earliest sound-absorbing material, such as cotton fibriia, cane fibre board,
Just there is good sound absorbing performance within the scope of medium, high frequency.This is because fibrous inside, which has, is much distributed different hole knot
Structure, aperture is smaller, and high frequency sound absorbing performance is higher.Plant fiber foamed sound-absorbing material is added using plant fiber as primary raw material
The auxiliary agents such as foaming agent, plasticizer, nucleating agent, adhesive foam through microwave, obtain the light-weight foam material that density is small, porosity is high
Material not only has good sound absorbing performance, while also having shock resistance, insulation, fire retardant, anticorrosive, and degradable green etc. is excellent
Characteristic.
The foam process of plant fiber foam material has free from environmental pollution, production work compared with general foamed plastic
The advantages such as skill is simple, low in cost, raw material sources are wide, shockproof shock insulation, have been widely used in building, packaging, auto industry etc.
Field.Especially applied widely in packaging field, with the progress of plant fiber foamed technology, which can be used for substituting existing
The eps foam liner used on a large scale and packing.
Microwave foaming has the characteristics that uniform, efficient, and microwave radiation is to fiber with certain modifying function, and microwave adds
Hot rate is fast, penetration depth is strong, homogeneous heating, thermal gradient are minimum；Microwave foaming one-pass molding, equipment requirement is simple, convenient easy
Operation.
Summary of the invention
The object of the present invention is to provide a kind of environment protection plant fibre foaming sound-absorbing materials and preparation method thereof.
In order to achieve the above objectives, it specifically adopts the following technical scheme that:
A kind of environment protection plant fibre foaming sound-absorbing material, the component comprising following parts by weight:
Bagasse oven dry stock: 16~32 parts
Waste paper oven dry stock: 16~32 parts
Polyvinyl alcohol: 2~8 parts
Foaming agent: 8~16 parts
Cornstarch: 4~8 parts
Precipitated calcium carbonate: 3~6 parts
Borax: 0.2~0.4 part
Glycerine: 2~4 parts
Modified montmorillonoid: 1~4 part.
Further, the oven dry stock be secondary stock after naoh treatment and bagasse pulp according to mass ratio 1~
3:1 mixing gained；The foaming agent is to mix gained according to mass ratio 1:1 by ammonium hydrogen carbonate and sodium bicarbonate.
Further, the montmorillonite is with stearyl dimethyl benzyl ammonium chloride (ODBA) modified montmorillonoid K10 institute
?.
A kind of preparation method of environment protection plant fibre foaming sound-absorbing material, includes the following steps:
(1) it goes core paper, bagasse pulpboard to be torn into fritter difference water corrugated board and impregnates 3~5h, then dissociated in fluffer
5000~10000 turns, drainage is fitted into equilibrium water conten 16 in hermetic bag~for 24 hours；
(2) in mass ratio it is that 1-3:1 is mixed with bagasse pulp by gained secondary stock in step (1), takes oven dry stock quality 2% ~ 4%
Sodium hydrate solid is mixed with mixed slurry, so that mixed stock quality score is 10%~15%, in 50~70 DEG C of water-baths
10~30min is handled in pot, every 5~10min is once rubbed；
(3) polyvinyl alcohol is stirred to 30~50min in 70~90 DEG C of oil bath pans to being completely dissolved；
(4) by cornstarch in 50~70 DEG C of stirred in water bath to gelatinization；
(5) sodium hydroxide in step (2) solution is washed away, then by the cornstarch of gelatinization and dissolves and be cooled to room temperature
PVA solution is mixed with, and adds calcium carbonate, borax, modified montmorillonoid, glycerine, ammonium hydrogen carbonate and the compound hair of sodium bicarbonate
10~30 min are mixed in infusion；
(6) step (5) acquired solution is poured into drainage mold, opens Vacuum filtration device, filtered 3~10min, drainage is filled
The pedestal equipped with material is set carefully to remove；
(7) material after step (6) drainage being placed on molding machine, placement is smooth, and it is then placed in microwave and heats, middle height
Fire screen position, 10~20min；The power of the middle high fire screen position is 700W-760W；
(8) molding foamed material is taken out, 30~70 DEG C of baking ovens, dry 2~6h are put into；
(9) sound absorption testing experiment finally is carried out on standing wave tube sound absorption tester.
A kind of drainage mold and molding machine in environment protection plant fibre foaming sound-absorbing material, the water treatment plant
Including material volumetric cylinder, material volumetric cylinder is connected by bottom cover and water strainer up and down, and drainage screen cloth is provided on the water strainer；It is described
Suction filtration container is connected with below water strainer；Moisture in material enters pumping through water strainer by the drainage screen cloth on water strainer
Container is filtered, is provided with suction filtration pore on the suction filtration container, the suction filtration pore is connect with vacuum evacuation device；The bottom cover, appearance
Cylinder, filters the connection that connecting hole is designed on each part of container to be used to reinforce each section at water strainer；
The molding machine includes that material volumetric cylinder and bottom cover form pedestal, by center fixing bolt, screw rod, fixed plate, upper fixation
End nut, lower fixed end nut, fixing threaded hole form fixed device；The center fixing bolt passes through fixed plate and is connected to pressure
Column；The both ends of the fixed plate are connected with screw rod；The screw rod passes through the fixing threaded hole being opened on volumetric cylinder, and passes through upper fixation
End nut and lower fixed end nut carry out fixation pressure column.
Further, in water treatment plant, the pedestal of the material volumetric cylinder and the bottom cover as the molding machine, with institute
The fixation device and pressure column for stating molding machine can exactly match.
Further, the bottom cover, material volumetric cylinder, water strainer, suction filtration container, pressure column are by polytetrafluoroethylene (PTFE) institute
Rounding cylindrical part.
Further, the drainage screen cloth is 40 ~ 80 mesh filter clothes or strainer.
It further, is all the connection type for using seam allowance between a component of the water treatment plant.
Further, in molding machine, the screw rod is slided up and down, detachably；The pressure column is solid cylinder.
Compared with prior art, present invention has an advantage that
Plant fiber foamed sound-absorbing material of the invention has good sound absorbing performance, when with a thickness of 2CM, highest average sound absorption
Coefficient is up to 0.55；And compared with traditional sound-absorbing material, it is also equipped with lightweight, density is (0.015-0.020) g/cm, anti-impact
It hits, insulation, fire retardant, anticorrosive, the excellent performances such as degradable green.The exploitation of mold reduces free water content, to reduce
The energy consumption in drying and moulding stage avoids bursting because the porous structure that water boiling is formed is excessive, influences nucleation process；It improves
The problem of free foaming rough surface and central concave, so that the material shape after foaming is regular.
Apparatus of the present invention structure is simple, easy to operate, low production cost, and water treatment plant, will by connection vacuum plant
Free water, which pulls out, in foamed material comes, thus generated energy consumption when reducing dry, while also effectively preventing because of water boiling
The porous structure of formation is excessive and bursts, and influences nucleation process, destroys the original structure of foamed material.Material after drainage is not
Secondary transferring is needed, directly becomes the pedestal of molding machine, pressure in connection together with bottom cover with the material volumetric cylinder of water treatment plant
Column can foam with fixed device.The drainage and molding machine of plant fiber microwave foaming, unique concord design, make
Structure is simpler, the seam allowance connection between each component, so that convenient disassembly, strong flexibility, and preparation process is environment friendly and pollution-free,
Cost price is low.
Detailed description of the invention
Fig. 1 is the water treatment plant to foam for plant fiber microwave.
Wherein, 1, bottom cover；2, material volumetric cylinder；3, drainage screen cloth；4, water strainer；5, container is filtered；6, pore is filtered；7, even
Connect hole.
Fig. 2 is the molding machine to foam for plant fiber microwave.
Wherein, 1, bottom cover；2, material volumetric cylinder；8, center fixing bolt；9, screw rod；10, fixed plate；11, pressure column；12,
Upper fixing end nut；13, lower fixed end nut；14, fixing threaded hole.
Specific embodiment
In following embodiment it is used imvite modified the preparation method is as follows:
(1) it takes 10g montmorillonite to be added in 300ML water, in 50 DEG C of stirring in water bath 3h, 6.6g octadecyl dimethyl benzyl chlorine is added
Change ammonium (ODBA), continues constant temperature and stir 3h, natural cooling.
(2) step (1) mixed solution after cooling is centrifuged, is then washed with 50% ethanol solution,
Until supernatant pH value is 7.
(3) it dries, grinds, with 200 mesh sieves to get modified montmorillonoid in 80 DEG C of vacuum drying ovens.
Used drainage mold and molding machine in following embodiment, structure are following (as illustrated in figs. 1 and 2).It is described
Water treatment plant includes material volumetric cylinder 2, and about 2 material volumetric cylinder is connected by bottom cover 1 and water strainer 4, is provided on the water strainer 4
Drainage screen cloth 3；It is connected with below the water strainer 4 and filters container 5；It is provided on the suction filtration container 5 and filters pore 6, it is described
Pore 6 is filtered to connect with vacuum evacuation device；The bottom cover 1, volumetric cylinder 2, water strainer 4, filter each part of container 5 on be designed with connection
Hole 7 is with the connection for reinforcing each section；The molding machine includes that material volumetric cylinder 2 and bottom cover 1 form pedestal, is fixed by center
Bolt 8, screw rod 9, fixed plate 10, upper fixing end nut 12, lower fixed end nut 13, fixing threaded hole 14 form fixed device；Institute
It states center fixing bolt 8 and is connected to pressure column 11 across fixed plate 10；The both ends of the fixed plate 10 are connected with screw rod 9；It is described
Screw rod 9 passes through the fixing threaded hole 14 being opened on volumetric cylinder 2, and is fixed by upper fixing end nut 12 with lower fixed end nut 13
Pressure column 11.In water treatment plant, the material volumetric cylinder 2 becomes the pedestal of the molding machine with the bottom cover 1, with the molding
The fixation device and pressure column 11 of device can exactly match.The bottom cover 1, material volumetric cylinder 2, water strainer 4, filter container 5,
Pressure column 11 is by the made cylindrical parts of polytetrafluoroethylene (PTFE).The drainage screen cloth 3 is 40 ~ 80 mesh filter clothes or strainer.It is described
It is all the connection type using seam allowance between a component of water treatment plant.In molding machine, the screw rod 9 is slided up and down；It is described
Pressure column 11 is solid cylinder.
Invention device implementation process is described further with reference to the accompanying drawing:
Step 1: connecting each component according to described in attached drawing 1 in sequence, connects Vacuum filtration device, opens vacuum and takes out
Device trial operation is filtered to ensure that leakproofness is good.
Step 2: bottom cover is unloaded, and foamed material is poured into material volumetric cylinder, and bottom cover is sealed to tight, opening vacuum
Suction filtration device starts drainage.
Step 3: after the completion of drainage, water treatment plant being filtered and is opened between pore 6 and water strainer 4, careful to be inverted, and will be filtered
The network of rivers and screen cloth are removed, and molding machine is connected.
Step 4: center fixing bolt 8, fixed plate 10, pressure column 11 are fixedly connected, and pressure column is put into material and is held
In cylinder 2, screw rod 9 passes through the fixing threaded hole 14 on material volumetric cylinder 2, upper fixing end nut 12 and lower fixed end nut 13 is tightened solid
Positioning is set, according to the height of material come appropriate adjustment nut location.
Step 5: the molding machine in step 4 being put into micro-wave oven and is foamed, after foaming successfully, by upper fixing end nut
12 and lower fixed end nut 13 unscrew, slowly pressure column 11 is lifted, can be obtained the good plant fiber foam material of molding.
Embodiment 1
(1) it takes 16g that the corrugated board of core paper, bagasse pulpboard is gone to be torn into fritter and distinguish respectively and impregnates 5h in water, then in fluffer
5000 turns of dissociation, drainage are fitted into hermetic bag equilibrium water conten for 24 hours.
(2) gained secondary stock in step (1) and bagasse pulp 1:1 ratio in mass ratio are mixed, takes the sodium hydroxide of 0.64g
Solid is mixed with mixed slurry, so that mixed stock quality score is 10%, handles 30min in 70 DEG C of water-baths, often
10min is once rubbed.
(3) it takes 2.4g polyvinyl alcohol in 50ML deionized water, stirs 40min in 90 DEG C of oil bath pans.
(4) take 8g cornstarch in 70 DEG C of stirred in water bath to gelatinization.
(5) sodium hydroxide in step (2) solution is washed away, then by the cornstarch of gelatinization and dissolve and be cooled to room
The PVA solution of temperature is mixed with, and adds 3g calcium carbonate, 0.4g borax, 2g modified montmorillonoid, 3.8g glycerine, 4g bicarbonate
10min is stirred under ammonium and 4g sodium bicarbonate composite foamable agent mixing room temperature.
(6) step (5) acquired solution is poured into drainage mold, opens Vacuum filtration device, filtered 5min, drainage is filled
The pedestal equipped with material is set carefully to remove.
(7) material after step (6) drainage is placed on molding machine, placement is smooth, is then placed in microwave and heats
(M1-L213B for selecting beauty), middle high fire screen position, 15min.
(8) molding foamed material is taken out, dry 2h is put into 50 DEG C of baking ovens.
(9) sound absorption testing experiment finally is carried out on standing wave tube sound absorption tester, can directly measures average sound absorption coefficient
0.44。
Embodiment 2
(1) it takes 16g that the corrugated board of core paper, bagasse pulpboard is gone to be torn into fritter and distinguish respectively and impregnates 5h in water, then in fluffer
5000 turns of dissociation, drainage are fitted into hermetic bag equilibrium water conten for 24 hours.
(2) gained secondary stock in step (1) and bagasse pulp 1:1 ratio in mass ratio are mixed, takes the sodium hydroxide of 0.64g
Solid is mixed with mixed slurry, so that mixed stock quality score is 10%, handles 30min in 70 DEG C of water-baths, often
10min is once rubbed.
(3) it takes 4g polyvinyl alcohol in 50ML deionized water, stirs 40min in 90 DEG C of oil bath pans.
(4) take 8g cornstarch in 70 DEG C of stirred in water bath to gelatinization.
(5) sodium hydroxide in step 2 solution is washed away, then by the cornstarch of gelatinization and dissolve and be cooled to room
The PVA solution of temperature is mixed with, and adds 3g calcium carbonate, 0.4g borax, 3g modified montmorillonoid, 3.8g glycerine, 4g bicarbonate
10min is stirred under ammonium and 4g sodium bicarbonate composite foamable agent mixing room temperature.
(6) step (5) acquired solution is poured into drainage mold, opens Vacuum filtration device, filtered 5min, drainage is filled
The pedestal equipped with material is set carefully to remove.
(7) material after step (6) drainage being placed on molding machine, placement is smooth, and it is then placed in microwave and heats,
Middle high fire screen position, 15min.
(8) molding foamed material is taken out, dry 2h is put into 50 DEG C of baking ovens.
(9) sound absorption testing experiment finally is carried out on standing wave tube sound absorption tester, can directly measures average sound absorption coefficient
0.55。
Embodiment 3
(1) it takes 16g that the corrugated board of core paper, bagasse pulpboard is gone to be torn into fritter and distinguish respectively and impregnates 5h in water, then in fluffer
5000 turns of dissociation, drainage are fitted into hermetic bag equilibrium water conten for 24 hours.
(2) gained secondary stock in step (1) and bagasse pulp 1:1 ratio in mass ratio are mixed, takes the sodium hydroxide of 0.64g
Solid is mixed with mixed slurry, so that mixed stock quality score is 10%, handles 30min in 70 DEG C of water-baths, often
10min is once rubbed.
(3) it takes 4g polyvinyl alcohol in 50ML deionized water, stirs 40min in 90 DEG C of oil bath pans.
(4) take 8g cornstarch in 70 DEG C of stirred in water bath to gelatinization.
(5) sodium hydroxide in step 2 solution is washed away, then by the cornstarch of gelatinization and dissolve and be cooled to room
The PVA solution of temperature is mixed with, and adds 3g calcium carbonate, 0.4g borax, 3.8g glycerine, 4g ammonium hydrogen carbonate and 4g sodium bicarbonate
10min is stirred under composite foamable agent mixing room temperature.
(6) step (5) acquired solution is poured into drainage mold, opens Vacuum filtration device, filtered 5min, drainage is filled
The pedestal equipped with material is set carefully to remove.
(7) material after step (6) drainage being placed on molding machine, placement is smooth, and it is then placed in microwave and heats,
Middle high fire screen position, 15min.
(8) molding foamed material is taken out, dry 2h is put into 50 DEG C of baking ovens.
(9) sound absorption testing experiment finally is carried out on standing wave tube sound absorption tester, can directly measures average sound absorption coefficient
0.50。
Claims (10)
- A kind of sound-absorbing material 1. environment protection plant fibre foams, which is characterized in that the component comprising following parts by weight:Bagasse oven dry stock: 16~32 partsWaste paper oven dry stock: 16~32 partsPolyvinyl alcohol: 2~8 partsFoaming agent: 8~16 partsCornstarch: 4~8 partsPrecipitated calcium carbonate: 3~6 partsBorax: 0.2~0.4 partGlycerine: 2~4 partsModified montmorillonoid: 1~4 part.
- 2. according to claim 1 environment protection plant fibre foam sound-absorbing material, it is characterised in that: the oven dry stock be through Secondary stock after naoh treatment mixes gained according to 1~3:1 of mass ratio with bagasse pulp；The foaming agent is by ammonium hydrogen carbonate Gained is mixed according to mass ratio 1:1 with sodium bicarbonate.
- 3. environment protection plant fibre foaming sound-absorbing material according to claim 1, it is characterised in that: the montmorillonite is with ten Obtained by eight zephirans (ODBA) modified montmorillonoid K10.
- 4. the preparation method of environment protection plant fibre foaming sound-absorbing material according to claim 1, it is characterised in that:(1) it goes core paper, bagasse pulpboard to be torn into fritter difference water corrugated board and impregnates 3~5h, then dissociated in fluffer 5000~10000 turns, drainage is fitted into equilibrium water conten 16 in hermetic bag~for 24 hours；(2) in mass ratio it is that 1-3:1 is mixed with bagasse pulp by gained secondary stock in step (1), takes oven dry stock quality 2% ~ 4% Sodium hydrate solid is mixed with mixed slurry, so that mixed stock quality score is 10%~15%, in 50~70 DEG C of water-baths 10~30min is handled in pot, every 5~10min is once rubbed；(3) polyvinyl alcohol is stirred to 30~50min in 70~90 DEG C of oil bath pans to being completely dissolved；(4) by cornstarch in 50~70 DEG C of stirred in water bath to gelatinization；(5) sodium hydroxide in step (2) solution is washed away, then by the cornstarch of gelatinization and dissolves and be cooled to room temperature PVA solution is mixed with, and adds calcium carbonate, borax, modified montmorillonoid, glycerine, ammonium hydrogen carbonate and the compound hair of sodium bicarbonate 10~30 min are mixed in infusion；(6) step (5) acquired solution is poured into drainage mold, opens Vacuum filtration device, filtered 3~10min, drainage is filled The pedestal equipped with material is set carefully to remove；(7) material after step (6) drainage being placed on molding machine, placement is smooth, and it is then placed in microwave and heats, middle height Fire screen position, 10~20min；The power of the middle high fire screen position is 700W-760W；(8) molding foamed material is taken out, 30~70 DEG C of baking ovens, dry 2~6h are put into；(9) sound absorption testing experiment finally is carried out on standing wave tube sound absorption tester.
- 5. a kind of drainage mold and molding dress in a kind of foaming sound-absorbing material of environment protection plant fibre described in claim 4 It sets, which is characterized in that the water treatment plant includes material volumetric cylinder (2), and material volumetric cylinder (2) is up and down by bottom cover (1) and water strainer (4) It is connected, is provided with drainage screen cloth (3) on the water strainer (4)；It is connected with below the water strainer (4) and filters container (5)；Institute It states to filter to be provided on container (5) and filters pore (6), the suction filtration pore (6) connect with vacuum evacuation device；The bottom cover (1), Volumetric cylinder (2), filters the connection that connecting hole (7) is designed on container (5) each part to be used to reinforce each section at water strainer (4)；The molding machine includes that material volumetric cylinder (2) and bottom cover (1) form pedestal, by center fixing bolt (8), screw rod (9), is consolidated Fixed board (10), upper fixing end nut (12), lower fixed end nut (13), fixing threaded hole (14) form fixed device；The center Fixing bolt (8) passes through fixed plate (10) and is connected to pressure column (11)；The both ends of the fixed plate (10) are connected with screw rod (9)； The screw rod (9) passes through the fixing threaded hole (14) being opened on volumetric cylinder (2), and passes through upper fixing end nut (12) and lower fixing end Nut (13) comes fixation pressure column (11).
- 6. a kind of drainage and molding machine for the foaming of plant fiber microwave according to claim 4, which is characterized in that filter In water installations, the pedestal of the material volumetric cylinder (2) and the bottom cover (1) as the molding machine, with the molding machine Fixed device and pressure column (11) can exactly match.
- 7. the drainage and molding machine for the foaming of plant fiber microwave according to claim 4, which is characterized in that the bottom Lid (1), material volumetric cylinder (2), water strainer (4), suction filtration container (5), pressure column (11) are by the made cylinder of polytetrafluoroethylene (PTFE) Component.
- 8. a kind of drainage and molding machine for the foaming of plant fiber microwave according to claim 4, which is characterized in that institute Stating drainage screen cloth (3) is 40 ~ 80 mesh filter clothes or strainer.
- 9. a kind of drainage and molding machine for the foaming of plant fiber microwave according to claim 4, which is characterized in that institute Stating all is the connection type for using seam allowance between a component of water treatment plant.
- 10. a kind of drainage to foam for plant fiber microwave and molding according to claim 1 according to claim 4 Device, which is characterized in that in molding machine, the screw rod (9) is slided up and down；The pressure column (11) is solid cylinder.
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