CN1383966A - Straw board making process - Google Patents
Straw board making process Download PDFInfo
- Publication number
- CN1383966A CN1383966A CN 02109841 CN02109841A CN1383966A CN 1383966 A CN1383966 A CN 1383966A CN 02109841 CN02109841 CN 02109841 CN 02109841 A CN02109841 A CN 02109841A CN 1383966 A CN1383966 A CN 1383966A
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- China
- Prior art keywords
- straw
- plates
- viscose glue
- core
- kilograms
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Abstract
The present invention relates to the technology of making building material. Straw board is produced through the steps of: press cracking straw and elimianting its pulp or core, drying straw to water content below 6%, weaving straw curtain with rope, spraying adhesive layer of 0.5-1 mm thickness onto the surface of the straw curtain, stakcing straw curtain of 3-9 layers crossly, hot pressing in a hot press at 1.47-2.45 MPa pressure and 100-120 deg.c temperature for 30-40 sec. trimming and natural drying.
Description
Technical field:
The invention belongs to the building material manufacturing method technical field, is a kind of method of utilizing straw to make sheet material.
Background technology:
Existing structural lumber all is to be made as raw material by timber, and timber resources more and more lacks, and is also higher with the sheet material cost that timber is made as raw material, adopts other material anxious to be solved as the problem of producing the sheet material raw material.
Summary of the invention:
The technical problem that will solve of the present invention is to disclose a kind of method that can utilize discarded crop stalk to make sheet material.
The scheme of technical solution problem of the present invention is realized by following steps:
1, straw preliminary treatment:
With the straw pressure break, remove inner marrow or core (marrow is the film of paddy and wheat class crop bar inside, and core is the flesh of corn, Chinese sorghum, sunflower class crop bar inside), dry straw remains on below 6% moisture content.
2, straw is weaved into plates with cotton rope, shape such as straw screen or mat are sprayed with viscose glue equably on the surface of plates, the thickness of viscose glue is the 0.5-1 millimeter, again three to nine plates are stacked together, the direction of adjacent plate-like bodies straw is reported to the leadship after accomplishing a task mutually, sends in the hot press pressurization 1.47-2.45Mpa then, temperature is 100-120 ℃, retention time is 30-40 second, removes burr, the air dry finished product.
Wherein viscose glue is stirred by following raw material mixing and makes:
Sugar alcohol modified urea-formaldehyde resin, polyvinyl alcohol, nbr carboxyl terminal, melamine, A-189 y mercapto propyl trimethoxy silicane, diatomite, ammonium chloride, its ratio of weight and number is:
Sugar alcohol modified urea-formaldehyde resin 80--120
Polyvinyl alcohol 3--5
Nbr carboxyl terminal 12-18
Melamine 8-12
A-189 y mercapto propyl trimethoxy silicane 1-3
Diatomite 3-6
Ammonium chloride 1-3
Viscose glue can also be formulated by following raw material:
Phenolic resins, stannous chloride, ethyl acetate, diatomite, acrylonitrile-butadiene rubber, its weight
Portion rate is:
Phenolic resins 120-160
Stannous chloride 4-8
Ethyl acetate 300-600
Diatomite 30-60
Acrylonitrile-butadiene rubber 80-100
Sheet material of the present invention can substitute wooden boards as building form, fence board, and cost is low, saves a large amount of timber.
The specific embodiment:
Example 1: with rice bar pressure break, remove inner marrow, dry straw makes moisture content remain on 4%.Straw is weaved into plates with cotton rope, shape such as straw screen or mat are sprayed with viscose glue equably on the surface of plates, the thickness of viscose glue is 0.6 millimeter, again six plates are stacked together, the direction of adjacent plate-like bodies straw is reported to the leadship after accomplishing a task mutually, sends in the hot press pressurization 2.2Mpa then, temperature is 110 ℃, retention time is 40 seconds, removes burr, the air dry finished product.
Wherein viscose glue is formulated by following raw material:
100 kilograms of sugar alcohol modified urea-formaldehyde resins, 4 kilograms of polyvinyl alcohols, 15 kilograms of nbr carboxyl terminals, 10 kilograms of melamines, 2 kilograms of A-189y mercapto propyl trimethoxy silicanes, 5 kilograms in diatomite, ammonium chloride mix for 2 kilograms to stir to be made.
Example 2: with the cornstalk pressure break, remove inner core, dry straw makes moisture content remain on 5%.Other step is with example 1.
Wherein viscose glue is formulated by following raw material:
15 kilograms in phenolic resins, 0.6 kilogram of stannous chloride, ethyl acetate 45,4 kilograms in diatomite, acrylonitrile-butadiene rubber mix for 9 kilograms to stir to be made.
Claims (1)
1, a kind of method of utilizing straw to make sheet material, finish by following steps:
(1) straw preliminary treatment:
With the straw pressure break, remove inner marrow or core, dry straw remains on below 6% moisture content;
(2) straw is weaved into plates with cotton rope, on the surface of plates, be sprayed with viscose glue equably, the thickness of viscose glue is the 0.5-1 millimeter, three to nine plates is stacked together again, and the direction of adjacent plate-like bodies straw is reported to the leadship after accomplishing a task mutually, send in the hot press then, pressurization 1.47-2.45Mpa, temperature is 100--120 ℃, the retention time is 30-40 second, remove burr, the air dry finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02109841 CN1383966A (en) | 2002-06-13 | 2002-06-13 | Straw board making process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02109841 CN1383966A (en) | 2002-06-13 | 2002-06-13 | Straw board making process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1383966A true CN1383966A (en) | 2002-12-11 |
Family
ID=4740814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02109841 Pending CN1383966A (en) | 2002-06-13 | 2002-06-13 | Straw board making process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1383966A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101342723B (en) * | 2008-02-28 | 2010-06-23 | 张培义 | Method for manufacturing sunflower artificial board of straw |
| CN101885196A (en) * | 2010-06-25 | 2010-11-17 | 王宏祥 | Method for manufacturing plant tissue packing container |
| CN101927515A (en) * | 2010-07-22 | 2010-12-29 | 万华生态板业股份有限公司 | Method for manufacturing novel plate |
| CN102172929A (en) * | 2011-01-11 | 2011-09-07 | 刘金忠 | Technique for producing wood bundle board by using straws |
| CN102172933A (en) * | 2011-01-16 | 2011-09-07 | 刘金忠 | Process for producing straw artificial board |
| CN103009454A (en) * | 2012-11-28 | 2013-04-03 | 三门峡市易兴人造板设备有限公司 | Manufacturing process for woven wheat straw board |
| CN105034089A (en) * | 2015-07-27 | 2015-11-11 | 丁岩 | Corn stalk sheet material |
| CN105773769A (en) * | 2016-04-10 | 2016-07-20 | 万华生态板业股份有限公司 | Using method for polyvinyl alcohol in straw board production |
| CN106956339A (en) * | 2017-05-04 | 2017-07-18 | 河南恒顺植物纤维板有限公司 | Straw curtain foundation wall body plate of material and preparation method thereof |
| CN110181647A (en) * | 2019-06-17 | 2019-08-30 | 南京林业大学 | A kind of preparation method of rice straw thermal insulation material |
-
2002
- 2002-06-13 CN CN 02109841 patent/CN1383966A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101342723B (en) * | 2008-02-28 | 2010-06-23 | 张培义 | Method for manufacturing sunflower artificial board of straw |
| CN101885196A (en) * | 2010-06-25 | 2010-11-17 | 王宏祥 | Method for manufacturing plant tissue packing container |
| CN101927515A (en) * | 2010-07-22 | 2010-12-29 | 万华生态板业股份有限公司 | Method for manufacturing novel plate |
| CN102172929A (en) * | 2011-01-11 | 2011-09-07 | 刘金忠 | Technique for producing wood bundle board by using straws |
| CN102172933A (en) * | 2011-01-16 | 2011-09-07 | 刘金忠 | Process for producing straw artificial board |
| CN103009454A (en) * | 2012-11-28 | 2013-04-03 | 三门峡市易兴人造板设备有限公司 | Manufacturing process for woven wheat straw board |
| CN103009454B (en) * | 2012-11-28 | 2015-07-22 | 三门峡市易兴人造板设备有限公司 | Manufacturing process for woven wheat straw board |
| CN105034089A (en) * | 2015-07-27 | 2015-11-11 | 丁岩 | Corn stalk sheet material |
| CN105773769A (en) * | 2016-04-10 | 2016-07-20 | 万华生态板业股份有限公司 | Using method for polyvinyl alcohol in straw board production |
| CN106956339A (en) * | 2017-05-04 | 2017-07-18 | 河南恒顺植物纤维板有限公司 | Straw curtain foundation wall body plate of material and preparation method thereof |
| CN110181647A (en) * | 2019-06-17 | 2019-08-30 | 南京林业大学 | A kind of preparation method of rice straw thermal insulation material |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |