CN101248139A - Special aminoalkylsilane compounds as binders for composite materials - Google Patents
Special aminoalkylsilane compounds as binders for composite materials Download PDFInfo
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- CN101248139A CN101248139A CNA2006800309038A CN200680030903A CN101248139A CN 101248139 A CN101248139 A CN 101248139A CN A2006800309038 A CNA2006800309038 A CN A2006800309038A CN 200680030903 A CN200680030903 A CN 200680030903A CN 101248139 A CN101248139 A CN 101248139A
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- aminoalkylsilane
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Abstract
The present invention relates to composite materials based on (a) at least one cellulose- or lignocellulose-containing material and (b) at least one aminoalkylsilane of the formula (I) R<1>R<2>N(CHR<4>)aSi(R<3>)r(OR)3-r (I), in which groups R<1> and R<2> are identical or different and in each case are H or a linear, branched or cyclic C1- to C20-alkyl group or an aryl group or an aminocarbyl group, it being possible for groups R<1> and R<2> to be optionally substituted, groups R<4> are identical or different and R<4> is H or methyl, a is from 1 to 10, R<3> is H or a linear or branched C1- to C8-alkyl group, groups R are identical or different and R is H or a linear or branched C1- to C8-alkyl group and r is 0 or 1 or 2, or at least one cocondensate of at least one aminoalkylsilane of the general formula (I) and at least one further functional silane of the general formula (II) R<7>(CHR<6>)bSi(R<5>)p(OR)3-p (II), in which R<7> is H or a vinyl group or an amino group or a glycidyloxy group or an acryloyloxy group or a methacryloyloxy group or a mercapto group or a sulfane group or a linear or branched C1- to C20-alkyl group or an aryl group, it being possible for the group R<7> to be optionally substituted, groups R<6> are identical or different and R<6> is H or methyl, b is from 0 to 18, R<5> is H or a linear or branched C1- to C8-alkyl group, groups R are identical or different and R is H or a linear or branched C1- to C8-alkyl group and p is 0 or 1 or 2, it being possible for the amino functions in the cocondensate to be partly or completely neutralized with an inorganic or organic acid, or an aqueous solution which contains at least one aminoalkylsilane of the formula (I) or at least one cocondensate based on at least one aminoalkylsilane of the general formula (I) and at least one further functional silane of the general formula (II).
Description
The present invention relates to matrix material, this matrix material is based on the material of cellulose or lignocellulose with as the silicoorganic compound of tackiness agent; The preparation method of described matrix material; Purposes with special silicoorganic compound or its solution.
Silicoorganic compound form with various silane, its reaction product or corresponding preparations in the preparation of matrix material is used, described matrix material is in particular based on natural or near those materials of natural fiber, that is the material that, contains Mierocrystalline cellulose or lignocellulose.
Wood materials comprises tackiness agent and other additives of maximum 20%.The whole world tackiness agent through being usually used in wood materials is urea-formaldehyde resin (UF resin).
Yet; formaldehyde resin adherent wood materials has the successive formaldehyde emission; although it meets governing principle (EN 120 and DIBt governing principle 100; the E1 rank=0.1ppm); but remain problematic from the angle of consumer protection; because many formaldehyde that studies show that not only influence central nervous system, but also cause cancer.Recently, constantly require further to reduce permissible concentration of formaldehyde.
And, having low relatively heat impedance and moisture resistance with the wood materials of UF resin bond, this can not use it at most of special dimensions, for example, is used for load and high strength purpose and is used for outdoor field.
Except the UF resin, 10% the resol (PF resin) of also having an appointment is used to produce wood materials.
Be the material that acquisition has good machine mechanical properties and water-repellancy, used the organic isocyanate of small proportion in wood materials industry.Mainly used '-diphenylmethane diisocyanate (PMDI).Different with said system, isocyanic ester and timber form chemical compound, are and xylogen and Mierocrystalline cellulose provablely.
Yet, use PMDI to certainly lead to many shortcomings as tackiness agent.From the angle of utilisation technology, its reason is the avidity to metal, because PMDI adherent wood chip and fiber can adhere to band press (press belts) in hot pressing.Therefore, must use the band press operation of expensive special coating.
In addition, when operation PMDI, must provide and observe strict operational safety measure.
For example, be used for natural or approaching natural wood materials such as potato syrup (EP 0 613 906A1, DE 43 06 441A1, DE 43 40 517A1, DE 434 518A1) tackiness agent or bonder system, the effect of not guaranteeing to meet every kind of application standard (herein, also with reference to " Enzyme vonWei β f ulepilzen als Grundlage f ü r die Herstellung von Bindemitteln f ü rHolzwerkstoffe [the white-rot fungi enzyme is as the substrate of preparation wood materials tackiness agent] ", A.R.Kharazipour, the 121st volume, JD.Sauerl nders Verlag, Frankfurt am Main, ISBM 3-7939-5124-3).
DE 100 37 724A1 disclose the method for preparing matrix material from organic substance, used based on hydrogen-, alkyl-, thiazolinyl-, phenyl-, the glycidoxypropyl alkyl-, acryl oxygen base alkyl-and the tackiness agent of methacryloxy alkyl-functional silicone.
DE 196 47 369A1 relate to the matrix material based on glass fibre, mineral fibre or wood materials, the tackiness agent that uses is so-called nano composite material, this nano composite material prepares by sol-gel process, and especially based on colloid inorganic particle and one or more hydrolyzable organosilanes.Use therein silane can have chlorine, alkoxyl group, acetoxyl group, alkyl, thiazolinyl, aryl, glycidoxypropyl alkyl and methacryloxy alkyl as functional group.
In addition, the introduction that exceeds DE 196 47 369A1, WO 98/22536 discloses the matrix material based on vegetable material, except alkyl and thiazolinyl, can choose the possible free radical that have one or more substituting groups alkynyl, alkane propenyl and the aryl alkylene of (as halogen, alkoxyl group, hydroxyl, amino or epoxide group) also is described to sol-gel system polysiloxane wantonly, it can not be removed by hydrolysis.In addition, according to WO98/22536, the mixture that can use pure Union carbide A-162 or Union carbide A-162 and tetraalkoxysilane is as the tackiness agent of producing matrix material.
The distinct disadvantage of said system is also to have used hydrolyzable alkoxide.It has very important vapour pressure and removes alcohol as hydrolysate.In practice, in shaving board operation on the processing machine commonly used, it causes suitable smell and owing to the danger of explosive vapor.
EP 0 716 127 B1 and EP 0 716 128B1 disclose based on water contain aminoalkyl group-/alkyl-/hydroxyl-or the composition of oxyalkylsiloxane, it is particularly useful for giving fabric, leather, cellulose prods and starch product with hydrophobicity.The organic hydroxyl siloxanes of the aminoalkyl group of this water soluble or water/alcohol mixture also is called as the hydrosil system.For example, among EP 0 846 716B1, EP 0846717B1 and EP1 101 787 A2 functionalized hydrosil of fluoro-alkyl system is disclosed.
The present invention seeks to provide the matrix material that contains Mierocrystalline cellulose or lignocellulose based on other tackiness agents.
According to the present invention,, realize described purpose according to the description of this patent claim.
Therefore, found novel matrix material surprisingly, this matrix material has the character of obvious improvement and contains the material of Mierocrystalline cellulose or lignocellulose and (b) as the aminoalkylsilane of at least a formula (I) of tackiness agent based on (a) is at least a
R
1R
2N(CHR
4)
aSi(R
3)
r(OR)
3-r (I)，
Radicals R wherein
1And R
2Identical or different, and under situation separately, be H or straight chain, side chain or cyclic C
1-to C
20-alkyl or aryl or form are H
2The amino carbon back of N-(C=O)-(urea groups of generation), R
3Be the C of H or straight or branched
1-to C
8-alkyl, radicals R
4Identical or different, and R
4Be H or methyl, a is 1 to 10, and is preferred 3, and radicals R is identical or different, and R is the C of H or straight or branched
1-to C
8-alkyl, and r is 0 or 1 or 2, radicals R
1And R
2May be optional substituted, and preferred substituted be from the halogen of F, Cl, Br and I series or-(CHR
4 ')
A '-Si (R
3 ')
R '(OR ')
3-r 'The silyl of form or-(CHR
4 ')
A 'NR
1 'R
2 'The aminoalkyl group of form, for example
-(CH
2)
3Si(OCH
3)
3，
-(CH
2)
3Si(OC
2H
5)
3，
-(CH
2)
3Si(CH
3)(OCH
3)
2，
-(CH
2)
3Si(CH
3)(OC
2H
5)
2，
-(CH
2)
2NH(CH
2)
3Si(OCH
3)
3，
-(CH
2)
2NH(CH
2)
3Si(OC
2H
5)
3，
-(CH
2)
2NH(CH
2)
3Si(CH
3)(OCH
3)
2，
-(CH
2)
2NH(CH
2)
3Si(CH
3)(OC
2H
5)
2，
-(CH
2)
2NH(CH
2)
2NH(CH
2)
3Si(OCH
3)
3，
-(CH
2)
2NH(CH
2)
2NH(CH
2)
3Si(OC
2H
5)
3，
-(CH
2)
2NH(CH
2)
2NH(CH
2)
3Si(CH
3)(OCH
3)
2，
-(CH
2)
2NH(CH
2)
2NH(CH
2)
3Si(CH
3)(OC
2H
5)
2，
With branched-amino alkyl functional group, as
Only propose the several examples under the situation separately, a ' is 1 to 10, and r ' is 0 or 1 or 2, and R ', R
1', R
2', R
3', R
4' have separately and above-mentioned corresponding radicals R, R
1, R
2, R
3And R
4Identical implication,
Perhaps
At least a cocondensate of other functional silanes of the aminoalkylsilane of at least a general formula (I) and at least a general formula (II)
R
7(CHR
6)
bSi(R
5)
p(OR)
3-p (II)，
R wherein
7Be H or vinyl or amino or glycidoxypropyl or acryloxy or methacryloxy or sulfydryl or sulfane base or straight or branched C
1-to C
20-alkyl or aryl, radicals R
7May be optional substituted, radicals R
6Identical or different and R
6Be H or methyl, b is 0 to 18, and is preferred 0,1,2,3,4,8,16 or 18, R
5Be H or straight or branched C
1-to C
8-alkyl, the identical or different and R of radicals R is H or straight or branched C
1-to C
8-alkyl, and p is 0 or 1 or 2,
Amino-functional in the described cocondensate may (hereinafter be also referred to as HX or H by mineral acid or organic acid
nX, wherein n=1,2 or 3) partially or completely neutralization, X is preferably F
-, Cl
-, Br
-, I
-, NO
3 -, HSO
4 -, SO
4 2-, H
2PO
4 -, HPO
4 2-, PO
4 3-, HCOO
-Or CH
3COO
-,
Perhaps
The aqueous solution that contains at least a formula (I) aminoalkylsilane or at least a cocondensate, described cocondensate is based on the aminoalkylsilane of at least a general formula (I) and other functional silanes of at least a general formula (II),
Described matrix material can obtain by simple, economic mode, by
-use the dry or moistening cellulose of the liquid of the amino silane compounds contain at least a formula (I) or at least a cocondensate or solution-treated or the material of lignocellulose, described cocondensate is based on the aminoalkylsilane of at least a general formula (I) and other functional silanes of at least a general formula (II), and
-make the Mierocrystalline cellulose of processing like this or lignocellulosic materials become the form that needs, then it is carried out hot pressing.
Usually, understand according to general chemistry, the described cocondensate based on other functional silanes of the aminoalkylsilane of at least a general formula (I) and at least a general formula (II) can be interpreted as can be by those compounds of general formula (III) expression [(OH)
u(OR)
v(O)
wSi (R
3)
r(CHR
4)
aN (R
1) (R
2)]
x[(OH)
d(OR)
e(O)
fSi (R
5)
p(CHR
6)
bR
7]
y(III),
Wherein radicals R, R
1, R
2, R
3, R
4, R
5, R
6And R
7And a and b are corresponding to formula (I) with the implication (II), and u can be 0 to 3, v can be 0 to 3, and w can be 0 to 1.5, and d can be 0 to 3, e can be 0 to 3, f can be 0 to 1.5, and x can be 1 to 1000, and y can be 0 to 1000, r can be 0 or 1 or 2, and p can be 0 or 1 or 2, and prerequisite is (u+v+2w)=(3-r), and (d+e+2f)=(3-p), and be 1 to 2000 (x+y), preferred 2 to 1000, preferred especially 3 to 500, very particularly preferably 4 to 100, especially, (x+y) be 5 to 50.
Therefore, one or more different aminosilanes can different functional silane cocondensation with one or more.And described cocondensate can also be that segmented copolymer has the cocondensate of stochastic distribution with those.
And for example, tackiness agent used according to the invention advantageously can contain other components, as only enumerating several examples: based on water-resisting agent, fireproofing agent (for example poly phosphate) and the biocidal material and the perfume compound of paraffin or wax.
Can also use the aqueous binders that is endowed acidity and contains at least a formula (I) amino silane compounds or at least a condenses, described condenses is based on the aminoalkylsilane of at least a general formula (I) and other functional silanes of at least a general formula (II), and the result is the curing agent solution that can advantageously save as other additives.
Usually, compare with present many matrix materials, the favourable difference of matrix material of the present invention is transverse tensile strength, flexural strength that obviously improves and the swelling behavior that significantly improves.
And, to compare with UF, PF or MF adherent matrix material material, matrix material of the present invention does not send deleterious formaldehyde vapors.
In addition, the production of the bonding matrix material of the present invention (particularly wood materials) may have the dangerous and significantly reduced healthy relevant risk of processing of obvious reduction, and the product of being produced and PMDI adherent wood materials to compare character constant or better.
Particularly in the medium density fibre board (MDF) (MDF) that obtains according to the present invention, the testing of materials result surpasses EN 622-5 about maximum 147% of transverse tensile strength requirement.The swelling value that adherent MDF preserved in water after 24 hours according to the present invention is lower than described EN specification more than 50%.Therefore, aspect machinery-technological property, can advantageously MDF of the present invention be appointed as the material category that is much better than the bonding MDF of simple aminoplastics.
Therefore, the present invention relates to matrix material, this matrix material is based on (a) at least a material of Mierocrystalline cellulose or lignocellulose and (b) aminoalkylsilane of at least a formula (I) of containing
R
1R
2N(CHR
4)
aSi(R
3)
r(OR)
3-r (I)，
Radicals R wherein
1And R
2Identical or different, and under situation separately, be H or straight chain, side chain or cyclic C
1-to C
20-alkyl or aryl or amino carbon back, radicals R
1And R
2May be optional substituted, R
3Be the C of H or straight or branched
1-to C
8-alkyl, radicals R
4Identical or different and R
4Be H or methyl, a is 1 to 10, and the identical or different and R of radicals R is the C of H or straight or branched
1-to C
8-alkyl, and r is 0 or 1 or 2,
Perhaps
At least a cocondensate of other functional silanes of the aminoalkylsilane of at least a general formula (I) and at least a general formula (II)
R
7(CHR
6)
bSi(R
5)
p(OR)
3-p (II)，
R wherein
7Be H or vinyl or amino or glycidoxypropyl or acryloxy or methacryloxy or sulfydryl or sulfane base or straight or branched C
1-to C
20-alkyl or aryl, radicals R
7May be optional substituted, radicals R
6Identical or different and R
6Be H or methyl, b is 0 to 18, R
5Be H or straight or branched C
1-to C
8-alkyl, the identical or different and R of radicals R is H or straight or branched C
1-to C
8-alkyl, and p is 0 or 1 or 2,
Amino-functional in the described cocondensate may partially or completely be neutralized by mineral acid or organic acid,
Perhaps
Contain at least a formula (I) aminoalkylsilane or based on the aqueous solution of at least a cocondensate of other functional silanes of the aminoalkylsilane of at least a general formula (I) and at least a general formula (II),
As tackiness agent.
Matrix material preferred feature of the present invention is that (a) is at least a from following natural or approaching natural cellulose or lignocellulosic materials: industrial wood, forestry industrial wood, the timber, timber wood shavings (wood shavings), wood chip, xylon, wood wool, wood chip, sawdust, planing sheet, cutting blade, template sheet material (shuttering boards), thin plate waste material (veneerwaste), fragment, the chip material (for example, hemp chip or cotton bar) of yearly plant or the mixture of at least two kinds of above-mentioned materialss that used or reclaimed.
Only enumerate several examples, the filamentary material of cellulose or lignocellulose preferably derives from hardwood and cork, monkey grass (for example coconut fiber) and yearly plant, as straw, millet straw, cotton, jute, hemp.
In addition, according to component (b), matrix material of the present invention be characterized as bonding active substance general formula (I) aminoalkylsilane or based at least a cocondensate of at least a general formula (I) aminoalkylsilane and other functional silanes of at least a general formula (II), this bonding active substance preferably has at least a following aminoalkyl group that is selected from: the 3-aminopropyl, 3-amino-2-methyl propyl group, N-(2-amino-ethyl)-3-aminopropyl, N-(2-aminoalkyl group)-3-amino-2-methyl propyl group, N-[N '-(2-amino-ethyl)-2-amino-ethyl]-the 3-aminopropyl, N-[N '-(2-amino-ethyl)-2-amino-ethyl]-3-amino-2-methyl propyl group, N, N-[two (2-amino-ethyl)]-the 3-aminopropyl, N, N-[two (2-amino-ethyl)]-3-amino-2-methyl propyl group, N-(normal-butyl)-3-aminopropyl, N-(normal-butyl)-3-amino-2-methyl propyl group etc. is only listed several examples.
For formula (I) or the R (III)
1R
2N (CHR
4)
aGroup, following group is particularly preferred:
H
2N(CH
2)
3-，
H
2N (CH
2)
2NH (CH
2)
2NH (CH
2)
3-and
And, preferred according to (II) or radicals R (III)
7(CHR
6)
bBe one of following groups:
CH
3-, (n) C
3H
7-, (i) C
3H
7-, (n) C
4H
9-, (i) C
4H
9-, (n) C
8H
17-, (i) C
8H
17-, (n) C
16H
32-, (i) C
16H
32-, (n) C
18H
36-, (i) C
18H
36-, H
2N (CH
2)
3-, H
2N (CH
2)
2NH (CH
2)
3-, H
2N (CH
2) NH (CH
2)
2NH (CH
2)
3-, [H
2N (CH
2)
2]
2N (CH
2)
3-, HS (CH
2)
3-, (H
3CO)
3Si (CH
2)
3-S
x-(CH
2)
3-(wherein x=1 to 10, preferred 2,3,4 or 5), C
6H
5-, H
2C=C (CH
3) COO (CH
2)
3-and
According to component (b), this bonding active substance that is used for matrix material of the present invention according to the present invention advantageously following material moisture, do not contain the hydrolysate of alcohol substantially: the aminoalkylsilane compound of at least a general formula (I) or based at least a cocondensate of other functional silanes of the aminoalkylsilane of at least a general formula (I) and at least a general formula (II).
This hydrolysate that does not contain alcohol can have 1 to 14, preferred 3 to 12, preferred especially 4 to 10 pH, the activity substance content of the viscosity of 1mPas to 10000mPas, preferred 1mPas to 1000mPas and 0.1% weight to 80% weight of forming based on described material, preferred 1% weight to 80% weight, preferred especially 10% weight to 60% weight.For example, can measure pH, and for example, can measure viscosity according to DIN 53015 according to DIN 38404-5.
In addition, the present invention relates to can following acquisition matrix material:
-use the dry or moistening cellulose of the liquid treatment of the amino silane compounds contain at least a formula (I) or at least a cocondensate or the material of lignocellulose, described cocondensate is based on the aminoalkylsilane of at least a general formula (I) and other functional silanes of at least a general formula (II), and-make the Mierocrystalline cellulose of processing like this or lignocellulosic materials become the form that needs, then it is carried out hot pressing.
Usually, in this article among DIN 53183 and the EN 322, so-called " the wooden amount of adiabatic drying (" absolutely dry wood mass ") " measures by the material of cellulose or lignocellulose being handled under 103 ℃ to constant weight.
Through behind the commercial run of fiber separation, the wooden water capacity (hereinafter also abbreviating water capacity as) that contains the material form of xylon (for example with) of moistening Mierocrystalline cellulose or lignocellulose can surpass 100% based on the wooden amount of adiabatic drying in so-called treater.For example, according to seeds, the water capacity of the trunk of new felling is 120 ℃ to 160 ℃.
Usually, in the MDF by so-called " blowing line (blow line) " process produces, the filamentary material that uses was not dried before bonding, blew line but still directly enter from the upstream fiber sepn process with moisture state, wherein tackiness agent was added into described fiber.Dry described fiber under tacky state then.Be preferably formed about water capacity of 10% to 14%, and further be processed as MDF subsequently.
Yet, also might use the material that exsiccant contains Mierocrystalline cellulose or lignocellulose to produce matrix material.
Therefore, for example, use the exsiccant fiber, preferably use about 10% to 12% the fiber of those water capacities producing among the MDF by the mixing tank method.Usually, this material is bonding in mixing tank, further is processed into MDF then.Here, also can carry out additional drying step after the adhesion step, for example in tubular moisture eliminator pipeline.
And in the production of shaving board, preferably using exsiccant fragment, particularly those water capacities is 2% to 5% fragment.The drying of institute's materials used is mainly carried out in tube bank moisture eliminator or rotatory drier.
The invention still further relates to the method that is used for production matrix material of the present invention, by:
-use the dry or moistening cellulose of the liquid treatment of the amino silane compounds contain at least a formula (I) or at least a cocondensate or the material of lignocellulose, described cocondensate is based on the aminoalkylsilane of at least a general formula (I) and other functional silanes of at least a general formula (II), and
-make the material of processing like this become the form that needs, then it is carried out hot pressing.
For this purpose, for example, can use itself become known for producing the device or the equipment of matrix material (particularly wood materials), several examples of only giving an example, as from Siempelkamp, Binos, the operate continuously Contiroll equipment of Dieffenbacher or Metso.
The proper method that is used for handling the material (comprising tackiness agent) that contains Mierocrystalline cellulose or lignocellulose be for example brush, roller coating, spraying, dipping, overflow, injection (spraying), to blow line bonding or mixing tank is bonding (for example using the dige from L , the mixing tank process of the device of Drais or Binos)
Therefore, the material that can will contain Mierocrystalline cellulose or lignocellulose by the bonder (for example bonding rifle) with the pressurized air operation particularly advantageously sprays (working cycle in swing roller, operation preferably at room temperature or cooling down, for example at 4 ℃ to 12 ℃, particularly at about 10 ℃), described bonder suitably has the working pressure of 0bar abs. to 4bar abs. and contains formula (I) or (II) or (III) aqueous solution of aminoalkylsilane compound.Usually, so obtain roughly evenly adherent material.
In addition, in the methods of the invention, bondingly advantageously can technical scale in slot type mixing tank, ploughshear mixer, stirring mixer and by blowing line process, be undertaken.
In addition, in the methods of the invention, can be at room temperature the Mierocrystalline cellulose so handled or lignocellulosic materials advantageously be dispersed into cake (that is, particularly particle cake or pad), through combing (combed), and at maximum 250 ℃, preferred 150 ℃ to 210 ℃ temperature and 9N/mm at most
2, preferred 4N/mm
2To 7N/mm
2The pressure lower compression, continue time of the required plate thickness of maximum 300s/mm, preferred 5s/mm to 60s/mm, preferred especially 8s/mm to 40s/mm.
Yet, also can produce the article of other shapes, for example the article of extrudate or cubes part or special shape from above-mentioned cake or adherent Mierocrystalline cellulose of the present invention or lignocellulosic materials.
Yet, in addition, also can at first use 0.2N/mm
2To 0.6N/mm
2Preliminary pressure come precompressed or existing cake of precompression or jointing material.And, can be before precompressed, in the precompressed process or after the precompressed (that is, before the actual compression) adherent material (particularly cake) is preheated to for example 60 ℃ to 80 ℃.This heat of before the actual compression step, cake or jointing material being carried out and/or mechanical pretreatment can favourable promotion significantly improving of quality product subsequently.
And the formed article that obtains in shaping or compression step can advantageously carry out aftertreatment or ageing (aging).Therefore, for example, the sheetpile repertory can be deposited.For example, can frequently heat in addition by microwave technology.
Yet, also can in star cooler (star cooling turner), cool off 20 minutes to 30 minutes.
By aftertreatment, also might promote the stdn or the homogeneity of matrix material.
After the cooling, thereby obtain matrix material of the present invention, particularly shaving board, fiberboard, ultralight fiberboard (ULF), light fiberboard (LDF), medium density fibre board (MDF) (MDF), high density fiberboard (HDF), " OSB " plate (the directed batten of OSB=), veneer, laminated wood, wood substance grain (wood pellets), wooden unit (wood briquette) and comprise the Industrial buildings material of timber, promptly so-called " engineering timber " is as lamination wood strip (LSL), parallel wood strip (PSL) and lamination veneer (LVL).Above-mentioned matrix material suitably has 150kg/m
3To 1200kg/m
3Bulk density.For example, can measure bulk density according to EN 323.
At present, use three kinds of raw materials of different ratios to obtain particle.About 57% required wood raw material is provided by the industrial wood residue.Wood waste from timber processing and processing industry is called as the industrial wood residue.This comprises sawdust, planing sheet, cutting blade and template sheet material, and from the residual volume of veneer industry.About in addition 23% wood material is available from the forestry industrial wood.This is the traditional raw material of results trunk form, and it is processed into fragment or directly makes particle by whole log chipper in shaving board factory.The third part raw material comprises the timber that about 20% use is crossed or reclaimed.The product that these were to use comprises the preponderate mixture of (surpass 50% quality) of solid wood, wood materials or wooden content.In factory, make the particle of determining size from plurality of raw materials by cutter ring chipper, whole log chipper and hammer mill.After obtaining particulate material, usually it is dried to 1.5% to 3% water capacity in tube bank moisture eliminator or swivel pipe moisture eliminator.By screening and classification, particulate material is divided into upper strata particle and middle level particle, and separates possible coarse material subsequently.Then, the particulate charge of upper strata and middle layer segment can be used for bonding, and for example, molded generation shaving board.
In industrial fiber is produced, except forestry timber, generally also use industrial wooden residue as raw material.The forestry timber of peeling is in advance pulverized the generation fragment with the wooden residue of industry in chipper.By " Asplund method " these fragments are digested in 160 ℃ to 180 ℃ steam to the pressure of 12 crust at 8 crust.Through after this so-called softening operation, material enters treater.This treater is made up of two counterrotating mills, and material carries out fiber separation betwixt.The constant voltage that keeps about 11 crust in the treater.Because digestion condition relaxes, timber passes through chemical transformation hardly.This causes so provided fiber to be light color, and has high yield.
Lignocellulose generally is understood that by three kinds of main chemical wood substance component-Mierocrystalline celluloses, hemicellulose and the formed matrix components of xylogen.Usually, mix (the using the xylogen involucrum) of xylogen causes the lignifying of cell walls, thereby causes the mechanical stability and the terrestrial plant portative power that improve.Mainly obtain to be used for the lignocellulose of wood materials industry with fiber or particulate form.For example, can obtain the lignin fibre cellulose fiber from hardwood and cork.And some yearly plants (as cereal, flax or hemp) have also constituted the suitable source of lignin fibre cellulose fiber.
In addition, can obtain fiber by the Asplund method.Wherein, at first timber is pulverized and generated fragment, digestion and the last treater (it is made up of two counterrotating mills) that uses carry out fiber separation under High Temperature High Pressure then.
For obtaining particle, the timber with form of chips is fed to so-called cutter ring chipper usually, and is pulverized to make the particle with definite size therein.
In the methods of the invention, according to component (a), advantageously use at least a from the natural of following group or near natural cellulose or lignocellulosic materials: industrial wood, forestry industrial wood, used or the timber that reclaims, timber sawdust, wood chip, xylon (for example, from pine), wood wool, wood chip, particle (as sawdust), planing sheet or cutting blade, template sheet material, thin plate waste material, fragment, the chip material (for example, hemp chip or rod (wood straw)) of yearly plant or the mixture of at least two kinds of above-mentioned materialss.
In the methods of the invention, the preferred especially material that contains Mierocrystalline cellulose or lignocellulose that uses from following plant: hardwood, cork, coconut (particularly coconut fiber), cotton, flax-waste, hemp chip, bargasse, jute, sisal hemp, reed, straw or millet straw.
In addition, in the methods of the invention, according to component (b), the preferred aminoalkylsilane compound that is selected from following formula (I) that uses: 3-TSL 8330, the 3-aminopropyltriethoxywerene werene, 3-aminopropyl methyl dimethoxysilane, 3-amino-propyl group methyldiethoxysilane, 3-aminopropyl silantriol, N-(2-amino-ethyl)-3-amino-propyl trimethoxy silicane, N-(2-amino-ethyl)-3-aminopropyltriethoxywerene werene, N-(2-amino-ethyl)-3-aminopropyl silantriol, N-[N '-(2-amino-ethyl)-2-amino-ethyl]-3-aminopropyl-Trimethoxy silane, N-[N '-(2-amino-ethyl)-2-amino-ethyl]-the 3-aminopropyltriethoxywerene werene, N-[N '-(2-amino-ethyl)-2-amino-ethyl]-3-aminopropyl silantriol, N, N-[two (2-amino-ethyl)]-the 2-TSL 8330, N, N-[two (2-amino-ethyl)]-the 2-aminopropyltriethoxywerene werene, N, N-[two (2-amino-ethyl)]-2-aminopropyl silantriol, N-(normal-butyl)-3-TSL 8330, N-(normal-butyl)-3-aminopropyltriethoxywerene werene, N-(normal-butyl)-3-aminopropyl silantriol, (H
3CO)
3Si (CH
2)
3NH (CH
2)
3Si (OCH
3)
3(two-AMMO), (H
5C
2O)
3Si (CH
2)
3NH (CH
2)
3Si (OC
2H
5)
3(two-AMEO), (H
3CO)
3Si (CH
2)
3NH (CH
2)
2NH (CH
2)
2NH (CH
2)
3Si (OCH
3)
3(two-DAMO), (H
3CO)
3Si (CH
2)
3NH (CH
2)
2NH (CH
2)
2NH (CH
2)
2NH (CH
2)
2NH (CH
2)
3Si (OCH
3)
3(two-TRIAMO) or the aqueous solution of the mixture of above-mentioned at least aminoalkylsilane or at least a above-mentioned aminoalkylsilane compound
Usually, preparation contains the aqueous solution of aminoalkylsilane by the following method: wherein water (preferred softening water) is mixed mutually with hydrolyzable aminoalkylsilane, if desired, it is reacted in mild heat with under stirring.Suitably, the water of per 1 part of weight uses the aminoalkylsilane compound of at least a formula (I) of 0.001 part of weight to 999 part weight.Preferably, the water of per 1 part of weight uses the aminoalkylsilane of the formula (I) of 0.1 part of weight to 90 part weight, the aminoalkylsilane of the formula (I) of preferred especially 1 part of weight to 30 part weight, preferred more especially 5 parts of weight to 15 part weight, particularly 7 parts of weight to 10 part weight.In this reaction, also can be formed in proportion to oligomeric silane at least.In addition, can add organic acid or mineral acid and pH preferably is adjusted to 2 to 10 to this mixture or solution, several examples of described organic acid or mineral acid be formic acid, acetate, hydrochloric acid, nitric acid, sulfuric acid or phosphoric acid.In addition, can be after hydrolysis pure hydrolysate be distilled from composition and remove, if desired, then under reduced pressure, carry out.Obtained to contain the solution that does not contain alcohol substantially of the aminoalkylsilane of virtually completely hydrolysis, pure content preferably is less than 3% weight, especially preferably is less than 1% weight, more preferably less than 0.5% weight, particularly be less than 0.1% weight, that is, and under this system's detectability.Therefore, advantageously, can prepare common clarification and not contain the pure aqueous solution that contains aminoalkylsilane, for example DYNASYLAN
1151 or 1154, and can be used as tackiness agent and be used for matrix material, especially for wood materials.
In the method for the invention, preferred use the silane that is preferably based at least a general formula (II) and according to the cocondensate of formula (I) those disclosed aminosilane, the silane of its formula of (II) is from tetraethoxysilane, methyltrimethoxy silane, Union carbide A-162, the n-propyl Trimethoxy silane, the n-propyl triethoxyl silane, normal-butyl Trimethoxy silane and isobutyl-Trimethoxy silane, ne-butyltriethoxysilaneand and isobutyl-triethoxyl silane, n-octyl Trimethoxy silane and isooctyltrimethoxysi,ane, n-octyl triethoxyl silane and iso-octyl triethoxyl silane, phenyltrimethoxysila,e, phenyl triethoxysilane, vinyltrimethoxy silane, vinyltriethoxysilane, 13 fluoro-1,1,2,2-tetrahydrochysene octyl group Trimethoxy silane, 13 fluoro-1,1,2,2-tetrahydrochysene octyltri-ethoxysilane, the 3-glycidoxypropyltrimewasxysilane, 3-glycidoxypropyl triethoxyl silane, the 3-methyl allyl acyloxypropyl trimethoxysilane, 3-methacryloxypropyl triethoxyl silane, 3-sulfydryl propyl trimethoxy silicane, 3-sulfydryl propyl-triethoxysilicane.
Usually, obtain expectation oligomerization degree and influence condensation or the water of cocondensation or block cocondensation aequum by being added to, come corresponding monomer organoalkoxysilane of hydrolysis or chlorosilane, can obtain tackiness agent used according to the invention and formula (III), promptly, cocondensate or its aqueous solution, for example DYNASYLAN based at least a general formula (I) aminoalkylsilane and other functional silanes of at least a general formula (II)
2907,2909 or F 8815.Can in the presence of hydrolysis or condensation catalyst, finish this process.Also can be at thinner or solvent, particular methanol, ethanol and/or Virahol exist down, are hydrolyzed and condensation or cocondensation or block cocondensation.Usually, remove alcohol or solvent after reaction or in the reaction process at least pro rata from system, this system water is diluted to the degree of wanting.In addition, can add other components to existing composition, for example, other acid, alcohol, monomer organosilane or monomer cation amino silane.Yet, the corresponding system of suitable this purpose and the preparation of starting raw material have also been described in EP 0 716 127, EP 0 716 128, EP0 846 717, EP 0 846 716, EP 1 031 593 and EP 1 101 787.The full content integral body of the patent of mentioning here is incorporated into the application's disclosure.
The compound of formula (III) can be in proportion or is present in the aqueous system with the form of actual complete hydrolysis.And, preferably there are the straight chain or the cyclic silane oligomer of formula (III), promptly there is mainly relative short chain organo-siloxane this moment usually by M structure and D structure.But, also can (but obvious less limit ground) there be branched structure or three-dimensional structure sometimes, that is, have formula (III) organo-siloxane of T structure or Q structure.Tackiness agent used according to the invention preferably have account for said composition weight 0.5% to 95%, preferred especially 2% to 40%, preferred more especially 5% to 30%, 5% to 20% formula (III) active substance particularly, promptly based on the condenses of at least a general formula (I) aminoalkylsilane and other functional silanes of at least a general formula (II).
According to the present invention, every mole of amino-functional nitrogen contains 0 mole to 3.6 moles HCOOH or H
3CCOOH, preferred 0.5 mole of tackiness agent to 1.1 equimolar acids are further preferred.
Therefore, advantageously, can be with the compound of formula (III) cocondensate of at least a general formula (I) aminoalkylsilane and other functional silanes of at least a general formula (II) (that is, based on) and corresponding clarification usually and mobile solution (DYNASYLAN for example easily
HS 2907, HS 2909 or F 8815) mix with water with the ratio of wanting.Also the said products or material at first can be mixed optional then water and/or alcohol dilution.For example, can 1: 0.5 to 0.5: 5, preferred about 1: 1 to 0.5: 2, particularly about 1: 2 ratio mixes following mixture with water: substantially by acetate or formic acid neutral triamino alkyl/13 fluoro-1,1,2,2-tetrahydrochysene octyl group/hydroxyl siloxanes or oxyalkylsiloxane mixture, or substantially by acetate neutral 3-aminopropyl/isobutyl-/hydroxyl siloxanes or oxyalkylsiloxane mixture.
According to the present invention, the water-content of tackiness agent be preferably said composition weight 5% to 99.5%, preferred especially 50% to 98%, preferred more especially 60% to 95%, particularly 80% to 95%, the weight summation of the component separately of described material or composition is 100%.
According to the present invention, the free acid content of tackiness agent also be said composition weight＜10%, preferred 0% to 7%, preferred especially 0.001% to 5%.In other words, the so-called here free acid composition of this specification sheets does not comprise the sour composition as amino or ammonium salt existence.
In addition, this material can contain alcohol, particularly methyl alcohol, ethanol, n-propyl alcohol, Virahol, 2-methyl cellosolve or its mixture.Yet the tackiness agent that does not contain alcohol is preferred, that is, by the vapor-phase chromatography of ordinary method such as detectability＜0.1%, the limit that can detect free alcohol in this material is no more than 3% weight.
Usually, be calculated as SiO
2And based on absolutely dry Mierocrystalline cellulose or lignocellulosic materials, preferably in the methods of the invention as the bonding active substance of component (b) use maximum 15% weight, preferred 0.1% weight to 14% weight, preferred especially 3% weight to 13% weight, preferred more especially 5% weight to 12% weight formula (I) aminoalkylsilane or based at least a cocondensate of at least a general formula (I) aminoalkylsilane and other functional silanes of at least a general formula (II).
In addition, based on absolutely dry Mierocrystalline cellulose or lignocellulosic materials, can maximum 8% weight, the amount of preferred 0.01% weight to 7% weight uses wax or paraffin, as in present method except component (a) with another component (c) (b).
Usually, the invention process is as follows:
For example, in the bonder that air effect or hydraulic pressure start, use and contain at least a formula (I) or (III) tackiness agent of aminoalkyl group compound, handle the material that contains Mierocrystalline cellulose or lignocellulose by spraying.Optional material to acquisition like this adds other components, then described material is introduced in a manner known way mould and curing.For example, the material that so obtains can be in thermocompressor surface dispersion, combing and hot pressing.In this process, contain the material of Mierocrystalline cellulose or lignocellulose and the adhesive reaction and the water evaporation of existence.
Therefore, can advantageously use following material production matrix material of the present invention, wood materials particularly: the aminoalkylsilane compound of at least a general formula (I), perhaps based at least a cocondensate of at least a general formula (I) aminoalkylsilane and other functional silanes of at least a general formula (II), perhaps contain the aminoalkylsilane compound of at least a general formula (I) or based on the aqueous solution of at least a cocondensate of at least a general formula (I) aminoalkylsilane and other functional silanes of at least a general formula (II).
Especially, tackiness agent of the present invention is used for producing: shaving board, fiberboard, ultralight fiberboard, light fiberboard, medium density fibre board (MDF), high density fiberboard, OSB plate, veneer, laminated wood, wood substance grain, wooden unit, " engineering timber ", insulating material, flowerpot (plant pots) (for example, from red rotten spruce wood), molding (such as but not limited to the molding that is used for automotive interior trim).
The special aminoalkylsilane compound of the present invention and the aqueous solution thereof are particularly suitable as tackiness agent, are used to produce the wood materials that particularly has good mechanical-technological property.The production of these wood materials and use the healthy bulk storage that is safe from harm fully.Organofunctional silane with near the use of uniting of natural glue, may produce the wood materials that meets relevant European standard (EN 622-5) with machinery-technological property.
Embodiment
Embodiment 1
By industrial fiber material produce medium density fibre board (MDF) (MDF)
Used 100% pine tree fiber to produce MDF, met industrial standards as filamentary material.Fiberboard is produced in tentative MDF equipment, wherein fiber can loosen automatically, bonding, dry and disperse to make pad then.From the fiberboard of the definite size of described pad acquisition, after the precompression, this fiberboard is compressing the time that needs in electrically heated odd-numbered day optical compressor (single-daylight press) under the temperature of needs.
Made 800kg/m with hope
3The thick MDF of the 10mm of bulk density.This plate is at 195 ℃ of lower compression 24s/mm.The tackiness agent that uses is DYNASYLAN
Product DYNASYLAN
1154, HS 2907 and HS 2909.In all cases, degree of adhesion is the tackiness agent based on 12% weight of adiabatic drying fiber.
Machinery-the technological property of fiberboard test is listed in table 1.
Table 1
DYNASYLAN
The machinery of-adherent MDF-technological property relatively
| The tackiness agent that uses | Transverse tensile strength (N/mm according to EN 319 2) | The transverse tensile strength that requires (MDF) to compare with EN622-5 changes (%) | According to swelling (%) behind 24 hours of EN317 | The swelling variation in thickness (%) of comparing with EN622-5 requirement (MDF) | Formaldehyde content (mg/100g) according to EN 120 | The formaldehyde content of comparing with limit value in the DIBt governing principle 100 (1994) changes (%) |
| DYNASYLAN 1154 | 1.29 | +115 | 7.48 | -50 | - | - |
| DYNASYLAN HS 2907 | 1.22 | +103 | 7.54 | -50 | - | - |
| DYNASYLAN HS 2909 | 1.48 | +147 | 6.99 | -53 | 0.2 | -3500 |
| The UF reference 1) | 0.92 | - | 24.05 | +60 | 6.6 | -6 |
1)=degree of adhesion is 12% in all situations, does not use water-resisting agent.
Use described DYNASYLAN
The MDF of products with adhesive is characterized as very high intensity and low especially swelling value.What transverse tensile strength all was higher than EN 622-5 (MDF) specification separately surpasses 100%.In addition, also meet the specification of EN 622-5 (MDF.HLS) about swelling tensile strength and swelling thickness.Therefore, the MDF that makes also can be used for the load purpose of humid region.Several times of character that are better than UF resin bond MDF of the plate character of being measured make it use medium density fibre board (MDF) in the application with extra high material requirements.In addition, there is low-down potential health hazard, the problem that described harm for example exists in the production of these wood materials with in using subsequently in the bonding wood materials of PMDI.Also there is very important health risk in the use of organic bonding system (for example aminoplastics, as UF resin and PF resin).This problem can be by using this DYNASYLAN
System and advantageously being overcome.
Embodiment 2
Produce shaving board from industrial particulate material
The particle that is used to produce shaving board is taken from the belt scale of industrial shaving board factory immediately after drying and before bonding.By this process, it is divided into top section and middle layer segment.By bonding rifle from WALTHER PILOT, in the bonding cylinder of rotation by pressurized air (0 crust to 4 crust) with each Autoadhesive finer atomization, and be added into described particle.
Then particles dispersed is made shaving board cake and hot pressing.Under the situation of three layers of shaving board, 40% upper layer of material is used for skin, and 60% middle layer material is used for internal layer.The single-layer particle board of making is made up of layer material in 100%.
Use DYNASYLAN HS 2907 and DYNASYLAN
1154 as tackiness agent, by the middle level granules preparation have a 750kg/m
3The thick single-layer particle board of the 6mm that needs bulk density.In each case, based on the adiabatic drying particle, use 8.5% DYNASYLAN
HS 2907 and DYNASYLAN
1154 bonding described particulate materials.Shaving board continues the compression time of 40s/mm 210 ℃ of lower compression.Testing of materials the results are summarized in table 2.
Table 2
DYNASYLAN
The transverse tensile strength of bonding single-layer particle board
| The tackiness agent that uses | Transverse tensile strength (EN 319) (N/mm 2) | The transverse tensile strength of comparing with EN 312-4 changes (0.45N/mm 2) (％) |
| DYNASYLAN 1154 | 0.51 | +13 |
| DYNASYLAN HS 2907 | 0.63 | +29 |
The shaving board of all test group all meets EN 312-4 (0.45N/mm
2) and EN 312-5 (0.5N/mm
2).Therefore, show that organofunctional silane is suitable as the independent tackiness agent of shaving board.
Claims (19)
1. matrix material, this matrix material is based on (a) at least a material of Mierocrystalline cellulose or lignocellulose and (b) aminoalkylsilane of at least a formula (I) of containing
R
1R
2N(CHR
4)
aSi(R
3)
r(OR)
3-r (I)，
Radicals R wherein
1And R
2Identical or different and be H or straight chain, side chain or cyclic C in all cases
1-to C
20-alkyl or aryl or amino carbon back, radicals R
1And R
2May be optional substituted, radicals R
4Identical or different and R
4Be H or methyl, a is 1 to 10, R
3Be the C of H or straight or branched
1-to C
8-alkyl, the identical or different and R of radicals R is the C of H or straight or branched
1-to C
8-alkyl, and r is 0 or 1 or 2,
Perhaps
At least a cocondensate of other functional silanes of the aminoalkylsilane of at least a general formula (I) and at least a general formula (II)
R
7(CHR
6)
bSi(R
5)
p(OR)
3-p (II)，
R wherein
7Be H or vinyl or amino or glycidoxypropyl or acryloxy or methacryloxy or sulfydryl or sulfane base or straight or branched C
1-to C
20-alkyl or aryl, radicals R
7May be optional substituted, radicals R
6Identical or different and R
6Be H or methyl, b is 0 to 18, R
5Be H or straight or branched C
1-to C
8-alkyl, the identical or different and R of radicals R is H or straight or branched C
1-to C
8-alkyl, and p is 0 or 1 or 2,
Amino-functional in the described cocondensate may partially or completely be neutralized by mineral acid or organic acid,
Perhaps
Contain at least a formula (I) aminoalkylsilane or based on the aqueous solution of at least a cocondensate of other functional silanes of the aminoalkylsilane of at least a general formula (I) and at least a general formula (II),
As tackiness agent.
2. the matrix material of claim 1, this matrix material comprises
(a) at least a from following group natural or near the natural cellulose or the material of lignocellulose: as industrial wood, forestry industrial wood, to use or the timber that reclaims, timber wood shavings, wood chip, xylon, wood wool, wood chip, particle, template sheet material, thin plate waste material, fragment and from the particulate material of yearly plant or the mixture of at least two kinds of above-mentioned materialss.
3. claim 1 or 2 matrix material, the filamentary material of described cellulose or lignocellulose is derived from hardwood and cork, palm plant and yearly plant.
4. each matrix material of claim 1 to 3, the aminoalkylsilane compound of the formula (I) of component (b) has at least a following aminoalkyl group that is selected from: the 3-aminopropyl, 3-amino-2-methyl propyl group, N-(2-amino-ethyl)-3-aminopropyl, N-(2-aminoalkyl group)-3-amino-2-methyl propyl group, N-[N '-(2-amino-ethyl)-2-amino-ethyl]-the 3-aminopropyl, N-[N '-(2-amino-ethyl)-2-amino-ethyl]-3-amino-2-methyl propyl group, N, N-[two (2-amino-ethyl)]-the 3-aminopropyl, N, N-[two (2-amino-ethyl)]-3-amino-2-methyl propyl group, N-(normal-butyl)-3-aminopropyl or N-(normal-butyl)-3-amino-2-methyl propyl group.
5. each matrix material of claim 1 to 4, component (b) are the aminoalkylsilane compounds of at least a formula (I) or based on moisture, the hydrolysate that do not contain alcohol of at least a cocondensate of at least a general formula (I) aminoalkylsilane and other functional silanes of at least a general formula (II).
6. the matrix material of claim 5, the described hydrolysate that does not contain alcohol has 3 to 12 pH and the viscosity of 1mPas to 10000mPas when the activity substance content of forming based on described material is 0.1% weight to 80% weight, can regulate described content of active substance by the dilute with water enriched material.
7. each matrix material of claim 1 to 6, this matrix material comprises at least a following other components (c) that are selected from: based on water-resisting agent, fireproofing agent, biocidal material and the perfume compound of paraffin or wax.
8. each matrix material of claim 1 to 7, this matrix material can obtain by the following method:
-use the amino silane compounds contain at least a formula (I) or based on the liquid of at least a cocondensate of at least a general formula (I) aminoalkylsilane and other functional silanes of at least a general formula (II), handle the dry or moistening cellulose or the material of lignocellulose
-make the Mierocrystalline cellulose of processing like this or lignocellulosic materials become the form that needs, then it is carried out hot pressing.
9. one kind is used for each the method for matrix material of production claim 1 to 8, and this method comprises:
-use the amino silane compounds contain at least a formula (I) or based on the liquid of at least a cocondensate of at least a general formula (I) aminoalkylsilane and other functional silanes of at least a general formula (II), handle the dry or moistening cellulose or the material of lignocellulose
-make the material of processing like this become the form that needs, then it is carried out hot pressing.
10. the method for claim 9, wherein the material that will contain Mierocrystalline cellulose or lignocellulose by the bonder with pressurized air operation is spurted in the swing roller with the aqueous solution, and the described aqueous solution contains the amino silane compounds of at least a formula (I) or based at least a cocondensate of at least a general formula (I) aminoalkylsilane and other functional silanes of at least a general formula (II).
11. the method for claim 9 or 10 is wherein pressed SiO
2Calculate and based on absolutely dry Mierocrystalline cellulose or lignocellulosic materials, use maximum 15% weight formula (I) aminoalkylsilane or based on the cocondensate of at least a general formula (I) aminoalkylsilane and other functional silanes of at least a general formula (II), as the bonding active substance of component (b).
12. each method of claim 9 to 11 wherein based on absolutely dry Mierocrystalline cellulose or lignocellulosic materials, is used the wax of maximum 8% weight, as except component (a) with other components (c) (b).
13. each method of claim 9 to 12, wherein Mierocrystalline cellulose or the lignocellulosic materials of so handling disperses to form cake at ambient temperature, and at maximum 250 ℃ temperature and 9N/mm at most
2Time of the maximum 300s/mm of pressure lower compression.
14. each method of claim 7 to 13 is wherein used the material from the cellulose of yearly plant.
15. each method of claim 7 to 14 is wherein used the material from following plant-derived cellulose: hardwood, cork, coconut, cotton, flax-waste, hemp chip, bargasse, jute, sisal hemp, reed, straw or millet straw.
16. each method of claim 7 to 15, wherein so handle or adherent Mierocrystalline cellulose or lignocellulosic materials before compression step through overheated pre-treatment and/or mechanical pretreatment.
17. each method of claim 7 to 16, wherein to be shaped or compression step in the shaping prod that obtains carry out back adjusting.
18. the amino silane compounds of formula (I) or based on the cocondensate of at least a general formula (I) aminoalkylsilane and other functional silanes of at least a general formula (II), perhaps contain the amino silane compounds of at least a formula (I) or based on the aqueous solution of at least a cocondensate of at least a general formula (I) aminoalkylsilane and other functional silanes of at least a general formula (II), be used to prepare each the purposes of wood materials of claim 1 to 8 as tackiness agent.
19. the purposes of claim 18, be used to prepare shaving board, fiberboard, ultralight fiberboard, light fiberboard, medium density fibre board (MDF), high density fiberboard, OSB plate, veneer, laminated wood, molding, be used for the molding of automotive interior trim, industrial wooden building material, insulating material, wood substance grain, wooden unit and flowerpot.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005040682.3 | 2005-08-26 | ||
| DE102005040682 | 2005-08-26 | ||
| DE102006006654.5 | 2006-02-14 |
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| Publication Number | Publication Date |
|---|---|
| CN101248139A true CN101248139A (en) | 2008-08-20 |
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ID=39947901
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800309038A Pending CN101248139A (en) | 2005-08-26 | 2006-06-02 | Special aminoalkylsilane compounds as binders for composite materials |
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| Country | Link |
|---|---|
| CN (1) | CN101248139A (en) |
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2006
- 2006-06-02 CN CNA2006800309038A patent/CN101248139A/en active Pending
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Application publication date: 20080820 |