CN106398257A - Environment-friendly and lightweight sound-damping sheet - Google Patents
Environment-friendly and lightweight sound-damping sheet Download PDFInfo
- Publication number
- CN106398257A CN106398257A CN201610794806.1A CN201610794806A CN106398257A CN 106398257 A CN106398257 A CN 106398257A CN 201610794806 A CN201610794806 A CN 201610794806A CN 106398257 A CN106398257 A CN 106398257A
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- environment
- materials
- fermentation
- straw
- sound insulation
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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
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/14—Fungi; Culture media therefor
- C12N1/16—Yeasts; Culture media therefor
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a production method of an environment-friendly and lightweight sound-damping sheet. The production method comprises the steps of (1) preparing raw materials, namely preparing plant straw crushed aggregate fermented dry powders: mixing up corn straws and sunflower straws in a weight ratio of 2: 1, crushing the above materials into powders, adding the pure water at a normal temperature, uniformly mixing up above materials, inoculating a microorganism fermentation agent at a proportion of 0.8% relative to the inoculation amount, subjecting obtained materials to fermentation at the temperature of 38 DEG C for 50-65 hours, drying obtained materials till the water content thereof to be smaller than 3% after the fermentation process, and grinding obtained materials into fine powders, wherein the weight ratio of the pure water to the straws is 0.8:1; (2) uniformly mixing up the plant straw crushed aggregate fermented dry powders, a flame retardant, trehalose and corn starch; (3) adding epoxy resin and a curing agent into a mixture obtained in the step (2), uniformly stirring the above materials, and subjecting the materials to hot pressing so as to prepare the sound-damping sheet.
Description
Technical field
The invention belongs to building materials manufacture field, particularly to a kind of environment-friendly light sound panel and its production technology.
Background technology
At present, most probably above defening effect is unqualified for China's Urban House, and most people has the bad body of house sound insulation
Test, such as：Need to have heard the dim sound of speech of next-door neighbor, indistinct telephone bell, sigh sigh prolixity upstairs during rest in the evening
The footsteps of prolixity, the sound that gurgles rushing toilet, the chatter of tap, sound insulation detection is walked haltingly.
For many years the residential architecture such as China's house, apartment due to using Light Wall roof suspended ceiling material it is impossible to effectively every
From vibrate transaudient cause sound insulation problem to be always resident to complain one of most problems to housing quality, because floor insulates against sound too
Difference, causes levels resident family to quarrel, get along well, and because party wall sound insulation is poor, causes left and right neighbours to be at odds, becomes society and ask
Topic.
In fact it is not only residential architecture, office, teaching, hospital, physical culture etc. are built, have corresponding requirements to sound insulation, much
The noisy sound of the public aisle in hotel or next room usually affects the rest of passenger in room.Good sound insulation environment is green
One of key character of building.
The internal partition wall generally adopting is by light materials such as air-entrained concrete building block, hollow brick, plasterboard, foam concrete blocks
Composition.But it is poor to there is sound insulation value in this technique, not environmentally the shortcomings of.
The present invention is intended to provide a kind of environment-friendly light sound panel and its production technology, its selection natural environmental-protective, to environment friend
Good, and there is good soundproof effect, mechanical index is also very excellent, has wide market prospects.
Content of the invention
The present invention is directed to the defect that prior art exists it is therefore intended that a kind of environment-friendly light sound panel and its production technology,
Its selection natural environmental-protective, environmentally friendly, and there is good soundproof effect, mechanical index is also very excellent, has wide
Market prospects.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of environment-friendly light sound insulation board production technology is it is characterised in that its step is as follows：
(1) prepare raw material according to following weight portion：
The preparation method of described straw particle fermentation dry powder is：
Maize straw, sunflower straw are compared 2 according to weight：1 ratio mixing, is ground into powder, adds stalk weight
0.8 times of normal temperature pure water, and even, then according to the ratio microbe inoculation leavening of inoculum concentration 0.8%, keeping temperature 38
DEG C, 50-65 hour of fermenting, fermentation ends post-drying to moisture content is less than 3%, grinds to form fine powder；
The composition of described microbe leaven is：Compare S. cervisiae according to bacterial strain quantity：Bacillus licheniformis is：1:
1.5 proportions become 1.2*106The leavening of bacterial strain/ml；
(2) by straw particle fermentation dry powder, fire retardant, trehalose, cornstarch mixes；
(3) epoxy resin and curing agent are added in the mixture that in step, (2) obtain, stir, make through hot pressing
Sound insulating sheet material.
Advantages of the present invention：
The invention provides a kind of environment-friendly light sound panel and its production technology, its selection natural environmental-protective, novelty uses
Biofermentation technique, environmentally friendly, and there is good soundproof effect, mechanical index is also very excellent, have wide
Market prospects.
Specific embodiment
The sheet material of the embodiment of the present invention is all made 35mm thickness and is tested.
Embodiment 1：
A kind of environment-friendly light sound insulation board production technology is it is characterised in that its step is as follows：
(1) prepare raw material according to following weight portion：
The preparation method of described straw particle fermentation dry powder is：
Maize straw, sunflower straw are compared 2 according to weight：1 ratio mixing, is ground into powder, adds stalk weight
0.8 times of normal temperature pure water, and even, then according to the ratio microbe inoculation leavening of inoculum concentration 0.8%, keeping temperature 38
DEG C, ferment 50 hours, fermentation ends post-drying to moisture content is less than 3%, grinds to form fine powder；
The composition of described microbe leaven is：Compare S. cervisiae according to bacterial strain quantity：Bacillus licheniformis is：1:
1.5 proportions become 1.2*106The leavening of bacterial strain/ml；
(2) by straw particle fermentation dry powder, fire retardant, trehalose, cornstarch mixes；
(3) epoxy resin and curing agent are added in the mixture that in step, (2) obtain, stir, make through hot pressing
Sound insulating sheet material.
Test result：
| Project | Test result |
| Compression strength | 15N/mm2 |
| Bending strength | 5N/mm2 |
| Unit weight | 320kg/m3 |
| Oise insulation factor | 180dB |
Embodiment 2：
A kind of environment-friendly light sound insulation board production technology is it is characterised in that its step is as follows：
(1) prepare raw material according to following weight portion：
The preparation method of described straw particle fermentation dry powder is：
Maize straw, sunflower straw are compared 2 according to weight：1 ratio mixing, is ground into powder, adds stalk weight
0.8 times of normal temperature pure water, and even, then according to the ratio microbe inoculation leavening of inoculum concentration 0.8%, keeping temperature 38
DEG C, ferment 65 hours, fermentation ends post-drying to moisture content is less than 3%, grinds to form fine powder；
The composition of described microbe leaven is：Compare S. cervisiae according to bacterial strain quantity：Bacillus licheniformis is：1:
1.5 proportions become 1.2*106The leavening of bacterial strain/ml；
(2) by straw particle fermentation dry powder, fire retardant, trehalose, cornstarch mixes；
(3) epoxy resin and curing agent are added in the mixture that in step, (2) obtain, stir, make through hot pressing
Sound insulating sheet material.
Test result：
| Project | Test result |
| Compression strength | 19N/mm2 |
| Bending strength | 2N/mm2 |
| Unit weight | 320kg/m3 |
| Oise insulation factor | 260dB |
Embodiment 3：
A kind of environment-friendly light sound insulation board production technology is it is characterised in that its step is as follows：
(1) prepare raw material according to following weight portion：
The preparation method of described straw particle fermentation dry powder is：
Maize straw, sunflower straw are compared 2 according to weight：1 ratio mixing, is ground into powder, adds stalk weight
0.8 times of normal temperature pure water, and even, then according to the ratio microbe inoculation leavening of inoculum concentration 0.8%, keeping temperature 38
DEG C, ferment 60 hours, fermentation ends post-drying to moisture content is less than 3%, grinds to form fine powder；
The composition of described microbe leaven is：Compare S. cervisiae according to bacterial strain quantity：Bacillus licheniformis is：1:
1.5 proportions become 1.2*106The leavening of bacterial strain/ml；
(2) by straw particle fermentation dry powder, fire retardant, trehalose, cornstarch mixes；
(3) epoxy resin and curing agent are added in the mixture that in step, (2) obtain, stir, make through hot pressing
Sound insulating sheet material.
Test result：
| Project | Test result |
| Compression strength | 18N/mm2 |
| Bending strength | 3N/mm2 |
| Unit weight | 330kg/m3 |
| Oise insulation factor | 190dB |
Embodiment 4：
A kind of environment-friendly light sound insulation board production technology is it is characterised in that its step is as follows：
(1) prepare raw material according to following weight portion：
The preparation method of described straw particle fermentation dry powder is：
Maize straw, sunflower straw are compared 2 according to weight：1 ratio mixing, is ground into powder, adds stalk weight
0.8 times of normal temperature pure water, and even, then according to the ratio microbe inoculation leavening of inoculum concentration 0.8%, keeping temperature 38
DEG C, ferment 62 hours, fermentation ends post-drying to moisture content is less than 3%, grinds to form fine powder；
The composition of described microbe leaven is：Compare S. cervisiae according to bacterial strain quantity：Bacillus licheniformis is：1:
1.5 proportions become 1.2*106The leavening of bacterial strain/ml；
(2) by straw particle fermentation dry powder, fire retardant, trehalose, cornstarch mixes；
(3) epoxy resin and curing agent are added in the mixture that in step, (2) obtain, stir, make through hot pressing
Sound insulating sheet material.
Test result：
| Project | Test result |
| Compression strength | 15N/mm2 |
| Bending strength | 4N/mm2 |
| Unit weight | 320kg/m3 |
| Oise insulation factor | 207dB |
Embodiment 5：
Comparative example, is not fermented：
A kind of environment-friendly light sound insulation board production technology is it is characterised in that its step is as follows：
(1) prepare raw material according to following weight portion：
The preparation method of described straw particle fermentation dry powder is：
Maize straw, sunflower straw are compared 2 according to weight：1 ratio mixing, is ground into powder, dries to moisture content
Less than 3%；
(2) by straw particle, fire retardant, trehalose, cornstarch mixes；
(3) epoxy resin and curing agent are added in the mixture that in step, (2) obtain, stir, make through hot pressing
Sound insulating sheet material.
Test result：
| Project | Test result |
| Compression strength | 15N/mm2 |
| Bending strength | 2N/mm2 |
| Unit weight | 350kg/m3 |
| Oise insulation factor | 60dB |
As can be seen here, with respect to control group, the unique zymotechnique of the present invention is unforeseeable to be greatly improved pressure resistance
Degree and sound transmission loss.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (3)
1. a kind of environment-friendly light sound insulation plate producing process is it is characterised in that its step is as follows：
（1）Prepare raw material according to following weight portion：
Straw particle fermentation dry powder：300-350 part；
Epoxy resin：50 parts；
Fire retardant:2 parts；
Trehalose:3-8 part；
Cornstarch:0.5 part；
The preparation method of described straw particle fermentation dry powder is：
Maize straw, sunflower straw are compared 2 according to weight：1 ratio mixing, is ground into powder, adds 0.8 times of stalk weight
Normal temperature pure water, and even, then according to the ratio microbe inoculation leavening of inoculum concentration 0.8%, 38 DEG C of keeping temperature, fermentation
50-65 hour, fermentation ends post-drying to moisture content is less than 3%, grinds to form fine powder；
（2）By straw particle fermentation dry powder, fire retardant, trehalose, cornstarch mixes；
（3）Epoxy resin and curing agent are added in step（2）In the mixture obtaining, stir, make sound insulation through hot pressing
Sheet material.
2. the environment-friendly light sound insulation plate producing process described in claim 1 it is characterised in that：
The composition of described microbe leaven is：Compare S. cervisiae according to bacterial strain quantity：Bacillus licheniformis is：1:1.5
Proportions become 1.2*106The leavening of bacterial strain/ml.
3. the environment-friendly light sound panel that the method described in any one of claim 1-2 prepares.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610794806.1A CN106398257A (en) | 2016-08-31 | 2016-08-31 | Environment-friendly and lightweight sound-damping sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610794806.1A CN106398257A (en) | 2016-08-31 | 2016-08-31 | Environment-friendly and lightweight sound-damping sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106398257A true CN106398257A (en) | 2017-02-15 |
Family
ID=58001247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610794806.1A Pending CN106398257A (en) | 2016-08-31 | 2016-08-31 | Environment-friendly and lightweight sound-damping sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106398257A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108947575A (en) * | 2018-07-13 | 2018-12-07 | 贵州紫云月华新材料有限公司 | A kind of heat-insulated plasterboard and its production method |
| CN109049279A (en) * | 2018-07-13 | 2018-12-21 | 贵州紫云月华新材料有限公司 | A kind of production method of sound insulation gypsum plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195232A (en) * | 2007-12-28 | 2008-06-11 | 深圳市神竹科技有限公司 | Rice-wheat haulm plywood and process technique thereof |
| CN101224965A (en) * | 2008-01-21 | 2008-07-23 | 北京格物创道科技发明有限公司 | Biomass composite material wall modules and processing technology thereof |
| CN102294729A (en) * | 2011-06-23 | 2011-12-28 | 周亚文 | Manufacturing method of straw brick |
| CN103834187A (en) * | 2012-11-27 | 2014-06-04 | 浙江沃锦机械有限公司 | Sound insulation board and production method thereof |
-
2016
- 2016-08-31 CN CN201610794806.1A patent/CN106398257A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195232A (en) * | 2007-12-28 | 2008-06-11 | 深圳市神竹科技有限公司 | Rice-wheat haulm plywood and process technique thereof |
| CN101224965A (en) * | 2008-01-21 | 2008-07-23 | 北京格物创道科技发明有限公司 | Biomass composite material wall modules and processing technology thereof |
| CN102294729A (en) * | 2011-06-23 | 2011-12-28 | 周亚文 | Manufacturing method of straw brick |
| CN103834187A (en) * | 2012-11-27 | 2014-06-04 | 浙江沃锦机械有限公司 | Sound insulation board and production method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108947575A (en) * | 2018-07-13 | 2018-12-07 | 贵州紫云月华新材料有限公司 | A kind of heat-insulated plasterboard and its production method |
| CN109049279A (en) * | 2018-07-13 | 2018-12-21 | 贵州紫云月华新材料有限公司 | A kind of production method of sound insulation gypsum plate |
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Application publication date: 20170215 |