CN1231229A - Method for making rice straw fibreboard - Google Patents
Method for making rice straw fibreboard Download PDFInfo
- Publication number
- CN1231229A CN1231229A CN 98106819 CN98106819A CN1231229A CN 1231229 A CN1231229 A CN 1231229A CN 98106819 CN98106819 CN 98106819 CN 98106819 A CN98106819 A CN 98106819A CN 1231229 A CN1231229 A CN 1231229A
- Authority
- CN
- China
- Prior art keywords
- rice
- cotton
- plate
- straw
- rice straw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010902 straw Substances 0.000 title claims abstract description 22
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 9
- 235000009566 rice Nutrition 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims abstract 3
- 240000007594 Oryza sativa Species 0.000 title claims 2
- 239000000835 fiber Substances 0.000 claims abstract description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 4
- 239000011347 resin Substances 0.000 claims abstract description 4
- 229920005989 resin Polymers 0.000 claims abstract description 4
- 239000002253 acid Substances 0.000 claims abstract description 3
- 229920000742 Cotton Polymers 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000011265 semifinished product Substances 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 239000012670 alkaline solution Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 238000011010 flushing procedure Methods 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000003672 processing method Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
- 241000209094 Oryza Species 0.000 abstract description 7
- 239000003513 alkali Substances 0.000 abstract description 3
- 239000011094 fiberboard Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 238000003892 spreading Methods 0.000 abstract 1
- 210000002268 wool Anatomy 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The production method of rice straw fiberboard using rice straw as main raw material includes the following steps: procedures of pretreatment, alkalization, neutralization to make the rice straw into rice straw fibre wool, mixing it with resin adhesive and magnesium oxide according to a proper proportion, stirring, spreading for block-forming, high-temp hydraulic pressing and cutting to obtain the invented finished product with low cost, good fire-resisting and damp-proofing properties, high acid resistance and alkali resistance, high strength and extensive application. It not only can be used as decorative board material for building, but also producing furniture.
Description
The present invention relates to a kind of preparation method of rice straw fibreboard.It is that to adopt straw be primary raw material, is equipped with resin glue, the magnesia of proper proportion, extracts the rice-straw fibre cotton, makes with step such as other raw material high temperature oil pressure polymerization through processing.
Along with growth in the living standard, people improve gradually to the requirement of various furnitures, building decoration fiberboard, and the fire-resistant point of general MDF is low, a little less than the acid-alkali-resistant degree, and easy tide and cost height.The objective of the invention is to provides a kind of fire prevention, humidity resistance good for addressing the above problem, the preparation method of acid-fast alkali-proof intensity height and the simple rice straw fibreboard of technology.
The objective of the invention is to realize by following technology:
1, the rice-straw fibre cotton is extracted in processing:
(1) straw is put into water, soak and pick up after 2～3 days, slough moisture content, pour into and steam in the still, add 2.2～2.7% alkalescence (as NaOH) solution, be warming up to 150 ℃～180 ℃, 20～30 minutes, occur to rice-straw fibre is cotton;
(2) dry the rice-straw fibre cotton, add 0.4～0.8% acid solution (as H2SO4 solution) and stir 1O～15 minute, to testing fiber cotton be neutrality only, pull out, wash with clear water;
(3) drying fibrous cotton.
2, cellucotton being pulverized is the smalls shape, and same resin glue, magnesia mix to evenly, and its mixed proportion is 2.6: 2: 1, is paved into plate-like with extravagant machine.
3, with high temperature oil pressure in the plate-like semi-finished product input hydraulic press 5～6 minutes, its temperature was 350～400 ℃, cools off then 5～10 minutes.
4, with cutting machine board-like material is cut into the fibrous plate of various required specifications.
The present invention has following advantage compared with prior art:
1, adopting straw is one of primary raw material, and its wide material sources are cheap.
2, have in the cotton processing of rice-straw fibre alkalization and in and operation, make its product have good acidproof, alkali resistance.
3, various raw materials make this product warm spot height through the polymerization of high temperature oil pressure, and high temperature resistant, fire prevention, humidity resistance are good and glossy.
4, cost is low, technology is simple, and product purpose is extensive, not only can be used for building decoration, also can be used for furniture production, and is little to human body harmfulness.
Claims (5)
1, a kind of preparation method of rice straw fibreboard is characterized in that: the cotton extraction of (1) rice-straw fibre processed, and (2) raw material mixes extravagant, (3) high temperature oil pressure, the cutting of (4) plate.
2, according to the described technology of claim 1, it is characterized in that: the cotton processing method of extracting of rice-straw fibre is: straw is put into water, soak and pick up after 2～3 days, slough moisture content, pour into and steam in the still, add the alkaline solution of 2.2-2.7%, be warming up to 150～180 ℃, 20～30 minutes, occur to rice-straw fibre is cotton; Drying rice-straw fibre cotton adds 0.4～0.8% acid solution, stirred 10～15 minutes, and be only neutral to the testing fiber cotton, pull out, with clear water flushing, drying fibrous cotton.
3, according to the described technology of claim 1, it is characterized in that: raw material mixes extravagant technology and is: it is the smalls shape that cellucotton is pulverized, and same resin glue, magnesia mix in 2.6: 2: 1 ratio, are stirred to evenly, are paved into plate-like with extravagant machine.
4, according to the described technology of claim 1, it is characterized in that: the high temperature oil compression technology is: will press 5～6 minutes in the plate-like semi-finished product input hydraulic press, its temperature is 350～400 ℃, cools off then 5～10 minutes.
5, according to the described technology of claim 1, it is characterized in that: the plate cutting technique is: the fibrous plate that plate-like material is cut into all size with cutting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98106819A CN1089663C (en) | 1998-04-03 | 1998-04-03 | Method for making rice straw fibreboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98106819A CN1089663C (en) | 1998-04-03 | 1998-04-03 | Method for making rice straw fibreboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1231229A true CN1231229A (en) | 1999-10-13 |
| CN1089663C CN1089663C (en) | 2002-08-28 |
Family
ID=5219140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98106819A Expired - Fee Related CN1089663C (en) | 1998-04-03 | 1998-04-03 | Method for making rice straw fibreboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1089663C (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069220A (en) * | 1992-06-30 | 1993-02-24 | 李素贤 | A kind of degreased fibre made from rice straw |
| JP2610233B2 (en) * | 1995-03-16 | 1997-05-14 | 秀輝 清水 | Bamboo fiber plywood manufacturing method and plywood |
| US5656129A (en) * | 1995-05-31 | 1997-08-12 | Masonite Corporation | Method of producing fibers from a straw and board products made therefrom |
-
1998
- 1998-04-03 CN CN98106819A patent/CN1089663C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1089663C (en) | 2002-08-28 |
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| PB01 | Publication | ||
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| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Hu Xiaoyang Document name: Notification of registration; notice of patent for invention |
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| C57 | Notification of unclear or unknown address | ||
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Addressee: Hu Xiaoyang Document name: Deemed a waiver of a patent claim |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
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| C57 | Notification of unclear or unknown address | ||
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Addressee: Liu Yunfeng Document name: Notification of Termination of Patent Right |
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| C57 | Notification of unclear or unknown address | ||
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Addressee: Hu Xiaoyang Document name: Notification of Termination of Patent Right |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |