CN1093032A - Straw artificial board and preparation technology thereof - Google Patents
Straw artificial board and preparation technology thereof Download PDFInfo
- Publication number
- CN1093032A CN1093032A CN 93111728 CN93111728A CN1093032A CN 1093032 A CN1093032 A CN 1093032A CN 93111728 CN93111728 CN 93111728 CN 93111728 A CN93111728 A CN 93111728A CN 1093032 A CN1093032 A CN 1093032A
- Authority
- CN
- China
- Prior art keywords
- parts
- straw
- artificial board
- cutted
- curing agent
- 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
Abstract
The invention belongs to a kind of string artificial board and preparation technology, existing straw artificial board forms because of raw material and technological problems exists intensity not high, irregular shortcoming.The present invention is adhesive with the Lauxite being base material with the cutted straw, on the basis of urea formaldehyde resin curing agent for short sticking auxiliary agent, is flexibilizer with the dolomol, thereby has certain intensity, and have that flatness is good, the characteristics of good flame resistance.Be a kind of broad-spectrum building, industrial sheet material, have remarkable energy saving effect.
Description
The invention belongs to a kind of string artificial board and preparation technology.
The production technology of compressed straw slab and equipment thereof are initiated in Sweden, the Englishman has done further research after the World War II, many afterwards countries have all successively introduced the production technology of compressed straw slab from Britain, its technology is the rice bar to be processed into bulk add and mix chemical agent heating and make, and the destroyed and chemical glueability of rice rod fibers is relatively poor, and the sheet material plate matter of producing is looser, bending resistance, resistance to compression, waterproof, anti-corrosive properties are all relatively poor, can not do load spare, production process is many, complex process.Improve as it, Chinese patent application CN1034886A discloses a kind of production technology of compressed straw slab, but prepared sheet material adopts the technology of straw and adhesive being divided multilayer compression moulding, thereby influential to the intensity and the nail-holding ability index of this compressed straw slab.Chinese patent application CN1045727A discloses a kind of composite vegetable board and manufacturing process thereof, and wherein string comprises straw, corn, kaoliang stalk etc., but this composite plate has certain angularity, has smooth inadequately shortcoming.
The objective of the invention is, provide a kind of and have that certain intensity, flatness are good, the straw artificial board and the preparation technology thereof of good flame resistance.
Realize that providing a kind of basic technology scheme of straw artificial board in the object of the invention is that the raw material of straw artificial board of the present invention contains following component:
Base material: cutted straw
Adhesive: Lauxite
Short sticking auxiliary agent: urea formaldehyde resin curing agent
Flexibilizer: dolomol
Above-mentioned raw materials is stirred, heat by hot press, the demoulding, back pressure promptly gets straw artificial board of the present invention.
The raw material ratio range of above-mentioned straw artificial board is (weight):
100～125 parts of the cutted straws of length 0.2～10mm
80～100 parts of Lauxites
0.8～3 part of urea formaldehyde resin curing agent
3～6 parts of dolomols
The preferred feedstock ratio range of above-mentioned straw artificial board is (weight):
Length is 100 parts of 0.5～1mm cutted straws
80～100 parts of Lauxites
0.8～3 part of urea formaldehyde resin curing agent
3～6 parts of dolomols
That the further purpose of the present invention provides a kind of unit weight is less, heat insulation, sound insulation and insulating properties straw wood-based plate and preparation technology thereof preferably.
Realize providing in the above-mentioned further purpose that a kind of unit weight is less, heat insulation, sound insulation and insulating properties preferably the technical scheme of straw artificial board-second kind of a technical scheme be that the raw material proportioning of straw artificial board of the present invention is: (weight):
Length is 100～125 parts of the cutted straws of 0.2～10mm
80～100 parts of Lauxites
0.8～3 part of urea formaldehyde resin curing agent
3～6 parts of dolomols
3～8 parts in filler diatomite
Above-mentioned raw materials is stirred, heat by hot press, the demoulding, back pressure promptly gets straw artificial board of the present invention.
The preferred feedstock ratio range of the straw artificial board of above-mentioned second kind of technical scheme is (weight):
Length is 100 parts of the cutted straws of 0.5～1mm
80～100 parts of Lauxites
0.8～3 part of urea formaldehyde resin curing agent
3～6 parts of dolomols
3～8 parts in diatomite
Another further purpose of the present invention is, a kind of more high-intensity straw artificial board and preparation technology are provided.
Technical scheme-the third technical scheme that a kind of more high-intensity straw artificial board of providing of above-mentioned another further purpose is provided is that the raw material proportioning of straw artificial board of the present invention is (weight):
Length is 100～125 parts of 0.2～10mm cutted straws
80～100 parts of Lauxites
0.8～3 part of urea formaldehyde resin curing agent
3～6 parts of dolomols
3～8 parts in diatomite
Reinforcing agent length is 5～10 parts in 3～5mm alumina silicate fibre or glass fibre
Above-mentioned raw materials is stirred, by hot press heat, the demoulding, back pressure, promptly make straw artificial board of the present invention.
The preferred feedstock ratio range of the straw artificial board of above-mentioned the third technical scheme is (weight):
Length is 100 parts of the cutted straws of 0.5～1mm
80～100 parts of Lauxites
0.8～3 part of urea formaldehyde resin curing agent
3～6 parts of dolomols
3～8 parts in diatomite
Length is 5～10 parts in the alumina silicate fibre of 3～5mm or glass fibre
Urea formaldehyde resin curing agent can be ammonium chloride, oxalic acid, phosphoric acid, zinc chloride or zinc sulfate in above-mentioned three kinds of technical schemes.
Preparation technology corresponding to straw artificial board basic technology scheme is to contain following steps successively: 1. with Lauxite, urea formaldehyde resin curing agent, dolomol mixes, and obtains resin glue; 2. cutted straw and resin glue are mixed, obtain compound; 3. compound is evenly paved on the hot press template, started hot press, rising pressure to 6～8 kg/cm, the control temperature is 80～102 ℃, keeps 10～25 minutes, makes it to solidify; 4. the demoulding; 5. the sheet material back pressure is no less than 12 hours, promptly makes straw artificial board of the present invention.
Preparation method corresponding to second kind of technical scheme of the present invention is, all the other are identical with basic technology scheme preparation method, and difference is, the 2. in the step, cutted straw, resin glue and diatomite mixed, and obtains compound.
Preparation method corresponding to the third technical scheme of the present invention is, all the other are identical with the preparation method of basic technology scheme, and difference is, the 2. in the step, cutted straw, resin glue, diatomite and alumina silicate fibre or glass fibre are mixed, obtain compound.
For straw artificial board of the present invention is heated evenly in curing, in the 3. in the step of above-mentioned three kinds of preparation methods, after starting hot press, adopt the staged heating mode to make temperature progressively be increased to 90～102 ℃ by 80 ℃ of beginnings, progressively the time of Sheng Wening is 6～20 minutes, when avoiding sheet material to solidify because of the inhomogeneous problem that easily produces layering of being heated.
The present invention has positive effect: (1) because straw artificial board of the present invention is adhesive with the Lauxite, so have the premium properties of waterproof, fire-retardant, mothproof, anticorrosion, acid-fast alkali-proof after solidifying, if be filler with diatomite, then performance is better.(2) straw artificial board of the present invention uses the flexibilizer of dolomol as Lauxite, help improving resin quality, promptly in the presence of dolomol, during the resin solidification polymerization, can form the toughness bridged bond of long-chain, thereby improved toughness and percentage elongation, thus can transmit solidification internal stress and thermal stress effectively, thus reach the purpose that reduces internal stress.Can solve the biggest problem-distortion of preparation straw sheet material and the problem of distortion like this, obtain the good sheet forming of flatness.Just because of flatness of the present invention is good, thus can be in pressing process, available PVC, woodgrained paper, mould veneer and carry out disposable associating plastic compression, obtain the dalle that globality is strong, have certain aesthetic.(3) straw artificial board of the present invention is filler with diatomite, not only can reduce the unit weight of sheet material, and in the sheet material preparation process, help the dehydration of straw and resin, avoid in forming process producing bubble and influencing quality, also because its heat-insulating property is good, uniformly transfer heat when helping solidifying, thus can make the constancy of sheet material good, not yielding warpage; Also because diatomite has better lubricity, so when forming compound, the finely dispersed compound of contained component is easy to get, also because it has toughness preferably, so good-extensibility in hot-forming, make sheet metal thickness evenly, any surface finish, again because diatomite is the non-conductor of heat, sound, electricity, so that the sheet material of gained has is heat insulation preferably, sound insulation and insulating properties, plays the effect of antistatic.(4) straw artificial board of the present invention uses alumina silicate fibre or glass fibre to be reinforcing agent, can further improve the intensity of sheet material, and its MOR can be higher than medium density fibre board (MDF), uses alumina silicate fibre also to have the characteristics little to operator's skin irritation.(5) the artificial preparation of plates technology of straw of the present invention three-waste free pollution, easy to operate, product cost is low.
The present invention is further illustrated below in conjunction with embodiment.
Embodiment 1,
The component and the content of present embodiment raw material are:
Length is 100 kilograms of the cutted straws of 2 ± 0.5mm
80 kilograms of Lauxites (solid content 55 ± 5%)
2.4 kilograms of ammonium chlorides (powdery)
Dolomol (C
17H
35COOMgOOCH
35C
17
Powdery) 4.8 kilogram
Method for making is: 1. above-mentioned Lauxite, ammonium chloride, dolomol were put into 500 liter reactor stir abouts 8 minutes, made mixing of materials evenly obtain resin glue;
2. cutted straw and resin glue are put into 200 liters of HJ-200 type tilting-type mortar mixers that the beautiful Qi Jianzhushebeichang in Wuxi produces and stirred about 2 minutes, mix, obtain compound.
3. 8 kilograms of compounds are placed on the template of 150 tons of hot presses, template size is 1.5 * 0.8m, paves compound and starts hot press, and controlled pressure is 7kg/cm
2, compression ratio is 3: 1, temperature is 80 ℃, is warming up to 95 ℃ gradually in 10 minutes, makes it to solidify; 4. the demoulding; 5. sheet material is placed on the indoor level land, uses iron plate back pressure 15 hours, promptly make straw artificial board of the present invention.
Embodiment 2,
The raw material of present embodiment is formed and content is:
Length is 100 kilograms of 0.8 ± 0.2 cutted straws
90 kilograms of Lauxites (solid content 55 ± 2%)
4.5 kilograms of oxalic acid
5 kilograms of dolomols (powdery)
Above-mentioned Lauxite, oxalic acid, dolomol were put into 500 liter reactor stir abouts 10 minutes, make mixing of materials evenly obtain resin glue.All the other are identical with embodiment 1.
Embodiment 3,
The component and the content of present embodiment raw material are:
Length is 100 kilograms of the cutted straws of 0.8 ± 0.3mm
80 kilograms of Lauxites (55 ± 1%)
3 kilograms of ammonium chlorides (powdery)
3 kilograms of dolomols (powdery)
8 kilograms in diatomite (powdery)
Method for making is: all the other are identical with embodiment 1, and difference is, in 2. going on foot, cutted straw, resin glue and diatomite is put into the stirring of HJ-200 type tilting-type mortar mixer mixed in 2 minutes, obtains compound; 3. in the step 16 kilograms of compounds are being placed on the stearic template of coating release agent of 150 tons of hot presses, template size is 1.5 * 0.8m, paves compound, starts hot press, and controlled pressure is 8kg/cm
2, compression ratio is 3: 1, temperature is 80 ℃, progressively is warming up to 100 ℃ in 15 minutes, makes it to solidify.
Embodiment 4,
The component and the content of present embodiment raw material are:
Length is 100 kilograms of the cutted straws of 0.8 ± 0.3mm
75 kilograms of Lauxites (solid content 55 ± 1%)
1.5 kilograms of zinc chloride (powdery)
3.5 kilograms of dolomols (powdery)
8 kilograms in diatomite (powdery)
5 kilograms of length 4 ± 1mm alumina silicate fibres
Method for making is: all the other are identical with embodiment 3, and difference is, the 2. in the step, cutted straw, resin glue, diatomite and alumina silicate fibre are put into HJ-200 type tilting-type mortar mixer stir and mixed in 3 minutes, obtain compound.
Application examples
The scarecrow producing material that embodiment 3 obtains is tested by the method for GB11718.1～11718.10～89 standards by Ministry of Forestry's Nanjing wood-based plate quality monitoring testing station, and its physical and mechanical property sees Table 1.
Conclusion is the requirement that reaches 70 type medium density fibre board (MDF) primes in GB11718.1～11718.10 standards.
By These parameters, the present invention can be used for industries such as furniture, building, railway, vehicle, boats and ships.Be a kind of industrial plate preferably and ornament materials.The movable floor that for example can be used as computer floor, ceiling board, skirting and computer platform panel etc.
Because filler diatomite is the non-conductor of heat, sound, electricity, and acid-fast alkali-proof, therefore can be extensive use of in chemical industry, also can be used for the insulation of body of wall and end face, and the insulation of winter construction, if be used for air-conditioned house, can play the effect of energy savings.
Table 1
| Interventions Requested | Unit | Maximum | Minimum of a value | Mean value |
| Capacity | g/cm 2 | 1.28 | 1.07 | 1.21 |
| Moisture content | % | 14.2 | 11.9 | 13.0 |
| MOR | Mpa | 21.0 | 15.5 | 18.6 |
| Tensile strength (vertically) | Mpa | 1.11 | 0.46 | 0.74 |
| The modulus of elasticity in static bending | Mpa | 1970 | 1531 | 1740 |
| Thickness swelling rate | % | 3.2 | 2.2 | 2.7 |
Claims (9)
1, a kind of straw artificial board is characterized in that, its raw material contains following component:
Base material: cutted straw
Adhesive: Lauxite
Short sticking auxiliary agent: urea formaldehyde resin curing agent
Flexibilizer: dolomol
Above-mentioned raw materials is stirred, heat by hot press, the demoulding, back pressure promptly gets the straw artificial board.
2, straw artificial board according to claim 1 is characterized in that, its material component and ratio range are (weight):
Length is 100～125 parts of the cutted straws of 0.2～10mm
80～100 parts of Lauxites
0.8～3 part of urea formaldehyde resin curing agent
3～6 parts of dolomols
3, straw artificial board according to claim 2 is characterized in that, the preferable range of its material component and proportioning is (weight):
Length is 100 parts of the cutted straws of 0.5～1mm
80～100 parts of Lauxites
0.8～3 part of urea formaldehyde resin curing agent
3～6 parts of dolomols
4, straw artificial board according to claim 2 is characterized in that, its
80～100 parts of Lauxites
0.8～3 part of urea formaldehyde resin curing agent
3～6 parts of dolomols
3～8 parts in filler diatomite
Above-mentioned raw materials is stirred, heat by hot press, the demoulding, back pressure promptly gets the straw artificial board.
5, straw artificial board according to claim 4 is characterized in that, its raw material is formed and the preferable range of proportioning is (weight):
Length is 100 parts of the cutted straws of 0.5～1mm
80～100 parts of Lauxites
0.8～3 part of urea formaldehyde resin curing agent
3～6 parts of dolomols
3～8 parts in diatomite
6, straw artificial board according to claim 4 is characterized in that, its material component and ratio range are (weight):
Length is 100～125 parts of 0.2～10mm cutted straws
80～100 parts of Lauxites
0.8～3 part of urea formaldehyde resin curing agent
3～6 parts of dolomols
3～8 parts in diatomite
Reinforcing agent length is 5～10 parts in 3～5mm alumina silicate fibre or glass fibre
Above-mentioned raw materials is stirred, heat by hot press, the demoulding, back pressure promptly gets the straw artificial board.
7, straw artificial board according to claim 6 is characterized in that, the preferable range of its material component and proportioning is (weight):
Length is 100 parts of the cutted straws of 0.5～1mm
80～100 parts of Lauxites
0.8～3 part of urea formaldehyde resin curing agent
3～6 parts of dolomols
3～8 parts in diatomite
Length is 5～10 parts in the alumina silicate fibre of 3～5mm or glass fibre
8, the artificial preparation of plates technology of straw according to claim 1 is characterized in that, contains following steps successively:
1. with Lauxite, urea formaldehyde resin curing agent, dolomol mixes, and obtains resin glue;
2. cutted straw and resin glue are mixed, obtain compound;
3. compound is evenly paved on the hot press template, started hot press, rising pressure to 6～8 kg/cm, the control temperature is 80～102 ℃, keeps 10～25 minutes, makes it to solidify;
4. the demoulding;
5. with the sheet material back pressure, be no less than 12 hours.
9, the artificial preparation of plates technology of straw according to claim 8, it is characterized in that, above-mentioned the 3. in the step, start hot press after, adopt the staged heating mode to make temperature progressively be increased to 90～102 ℃ by 80 ℃ of beginnings, progressively the time of Sheng Wening is 6～20 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93111728 CN1044881C (en) | 1993-09-01 | 1993-09-01 | Artificial straw board and its manufacturing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93111728 CN1044881C (en) | 1993-09-01 | 1993-09-01 | Artificial straw board and its manufacturing technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1093032A true CN1093032A (en) | 1994-10-05 |
| CN1044881C CN1044881C (en) | 1999-09-01 |
Family
ID=4989488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93111728 Expired - Fee Related CN1044881C (en) | 1993-09-01 | 1993-09-01 | Artificial straw board and its manufacturing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1044881C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100339200C (en) * | 2005-04-04 | 2007-09-26 | 上海康拜环保科技有限公司 | Demolding method for artificial MDI glue board |
| CN1964827B (en) * | 2004-06-11 | 2010-05-12 | Gpac科技私人有限公司 | Method for forming high strength mould |
| CN102979009A (en) * | 2012-12-13 | 2013-03-20 | 苏州维艾普新材料有限公司 | Chopped glass fiber core material harmless to human body and preparation method thereof |
| CN107891503A (en) * | 2017-10-24 | 2018-04-10 | 王德善 | A kind of environment-friendly sheet and preparation method thereof |
| CN109551603A (en) * | 2018-11-26 | 2019-04-02 | 福建农林大学 | A kind of extremely-low density alumina silicate fibre composite plate and its manufacturing method |
| CN109702845A (en) * | 2018-11-29 | 2019-05-03 | 南京林业大学 | A kind of low-density is without glue stalk board, preparation method and applications |
-
1993
- 1993-09-01 CN CN 93111728 patent/CN1044881C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1964827B (en) * | 2004-06-11 | 2010-05-12 | Gpac科技私人有限公司 | Method for forming high strength mould |
| CN100339200C (en) * | 2005-04-04 | 2007-09-26 | 上海康拜环保科技有限公司 | Demolding method for artificial MDI glue board |
| CN102979009A (en) * | 2012-12-13 | 2013-03-20 | 苏州维艾普新材料有限公司 | Chopped glass fiber core material harmless to human body and preparation method thereof |
| CN107891503A (en) * | 2017-10-24 | 2018-04-10 | 王德善 | A kind of environment-friendly sheet and preparation method thereof |
| CN109551603A (en) * | 2018-11-26 | 2019-04-02 | 福建农林大学 | A kind of extremely-low density alumina silicate fibre composite plate and its manufacturing method |
| CN109702845A (en) * | 2018-11-29 | 2019-05-03 | 南京林业大学 | A kind of low-density is without glue stalk board, preparation method and applications |
| CN109702845B (en) * | 2018-11-29 | 2022-03-29 | 南京林业大学 | Low-density glue-free straw board, preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1044881C (en) | 1999-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108485102B (en) | Lignin-enhanced polyvinyl chloride wood-plastic foamed composite material and preparation method thereof | |
| CN102250476A (en) | Bamboo-fiber-based micro-foamed wood-plastic composite material and preparation method thereof | |
| CN110776301B (en) | Microwave modified inorganic cementing material, preparation method and application thereof | |
| CN106366496B (en) | A kind of PVC wood plastic foamed board and preparation method thereof | |
| CN101049706A (en) | Low-density plank, and production technique | |
| CN1760267A (en) | Technique and equipment for fabricating plastic sheet material produced from molding laminar die in low pressure | |
| CN1044881C (en) | Artificial straw board and its manufacturing technology | |
| CN1277884C (en) | Sheet molding material and its forming method | |
| CN106280185A (en) | A kind of light wood-plastic composite fiber plate and preparation method thereof | |
| CN106590005A (en) | Plastic-wood composite floor and preparation method thereof | |
| CN1037828C (en) | Artificial wood board and its producing method | |
| CN1227297C (en) | Modified composite material of woods and plastics as well as its usage and manufacturing method | |
| CN109181165A (en) | Inexpensive polyvinyl chloride soundproof plate | |
| CN1095733C (en) | Composite product | |
| CN1199715A (en) | Light fireproof acoustic decoration board and its production process | |
| CN1899782A (en) | Method for producing soft wood plate and its special soft wood plate forming machine | |
| CN1848572A (en) | Light noninflammable anti corrosion high strength electric cable bridge trough box | |
| CN1478651A (en) | New type composite board and its processing technology | |
| CN106633463A (en) | Novel artificial stone material and preparation method thereof | |
| CN1177672A (en) | Calcium-magnesium bar-shape light wall plate and production process thereof | |
| CN100480209C (en) | Production method of nano composite board | |
| CN1288200C (en) | Hard polyvinyl-chloride plastic plate and producing recipe | |
| CN110734602A (en) | Low-temperature-resistant plastic-absorbable wood-like TPE composite board and manufacturing method thereof | |
| JPS6367489B2 (en) | ||
| CN1019773B (en) | Sham wood and manufacture method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |