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    • 5. 发明公开
    • SPECIAL AMINOALKYLSILANE COMPOUNDS AS BINDERS FOR COMPOSITE MATERIALS
    • SPEZIELLE AMINOALKYLSILAN-VERBINDUNGEN ALS BINDERFÜRVERBUNDWERKSTOFFE
    • EP1917310A1
    • 2008-05-07
    • EP06763492.3
    • 2006-06-02
    • Evonik Degussa GmbH
    • JENKNER, PeterSTANDKE, BurkhardMONKIEWICZ, JaroslawEDELMANN, RolandKHARAZIPOUR, AlirezaKLOESER, Lars
    • C08L97/02B27N3/00B27N3/12
    • C08L97/02C08K5/544Y10T428/24124Y10T428/249965Y10T428/249972Y10T428/253Y10T428/254Y10T428/31591C08L2666/44
    • 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) R1R2N(CHR4)aSi(R3)r(OR)3-r (I), in which groups R1 and R2 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 R1 and R2 to be optionally substituted, groups R4 are identical or different and R4 is H or methyl, a is from 1 to 10, R3 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) R7(CHR6)bSi(R5)p(OR)3-p (II), in which R7 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 R7 to be optionally substituted, groups R6 are identical or different and R6 is H or methyl, b is from 0 to 18, R5 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), as a binder, such composite materials being obtainable by - treating dried or moist cellulose- or lignocellulose-containing material with - a liquid which contains at least one aminosilane compound according to 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), - bringing the cellulose or lignocellulose material thus treated into a desired form and then hot-pressing it. The present invention furthermore relates to a corresponding process for the production of composite materials and the use of aminosilane compounds according to 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) as a binder for producing wood-based materials.
    • 氨基烷基 - 烷氧基硅烷或其与其它功能硅烷的缩合物用作基于含纤维素或木质素纤维素的材料的复合材料中的粘合剂。 基于(a)含纤维素或木质素纤维素的材料和(b)包含式R 1>(R 2)N(C(R 4))H的氨基烷基硅烷的粘合剂的复合材料(CM) (I)的其它官能的硅烷(a)(C(R 6))H(b)(R 5))的(R)R a 3(R 3)rOR 3-r(I)或缩合物 pOR 3-p(II)其中氨基可以用无机或有机酸部分或完全中和,或含有(I)或这种缩聚物的水溶液。 R 1> R 2> H,1-20C烷基(直链,支链或环状),芳基或氨基羰基(全部任意取代); R 4>,R 6> H或甲基; a:1-10; R 3> R 5> R:H或1-8C烷基(直链或支链); r,p:0,1或2; R 7> H,乙烯基,氨基,缩水甘油氧基,(甲基)丙烯酰氧基,巯基,硫烷,1-20C烷基或芳基(全部被取代) b:0-18。 通过用如上所述的液体粘合剂(b)处理干燥或潮湿的材料(a),将处理的材料放置在模具中并对其进行热压,包括用于生产CM的方法的独立权利要求。