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    MEHRSCHICHTIGE LIGNOCELLULOSEHALTIGE FORMKÖRPER MIT GERINGER FORMALDEHYDEMISSION
    47.
    发明公开
    MEHRSCHICHTIGE LIGNOCELLULOSEHALTIGE FORMKÖRPER MIT GERINGER FORMALDEHYDEMISSION 有权
    MEHRSCHICHTIGE LIGNOCELLULOSEHALTIGE FORMKORPER MIT GERINGER FORMALDEHYDEMISSION

    公开(公告)号：EP2614117A1

    公开(公告)日：2013-07-17

    申请号：EP11749170.4

    申请日：2011-08-29

    Applicant: BASF SE

    Inventor： KÄSMAYR, Daniel ,  ROSCHMANN, Konrad ,  SCHMIDT, Michael ,  FINKENAUER, Michael ,  KALBE, Michael ,  WEINKÖTZ, Stephan

    IPC: C08L97/02 ,  C09J133/02 ,  C08L33/02

    CPC classification number: C08L97/02 ,  B27N3/02 ,  B32B5/30 ,  B32B21/02 ,  B32B21/042 ,  B32B2260/025 ,  B32B2260/046 ,  B32B2262/067 ,  B32B2264/065 ,  C08F212/08 ,  C08L61/22 ,  C08L2205/03 ,  C08L75/00 ,  C08L61/24 ,  C08L91/06 ,  C08F220/14 ,  C08F2220/1825 ,  C08F2220/281 ,  C08F2220/325

    Abstract: A multilayer lignocellulose-containing molding comprising A) a middle layer or a plurality of middle layers comprising lignocellulose-containing particles which is/are obtainable by using a binder (a) and B) a covering layer or a plurality of covering layers comprising lignocellulose-containing particles which is/are obtainable by using a binder (b), the binder (a) being selected from the group consisting of (a1) formaldehyde resins and (a2) an organic isocyanate having at least two isocyanate groups; the binder (b) comprising the following components: an aqueous component (I) comprising (i) a polymer A which is composed of the following monomers: a) from 70 to 100% by weight of at least one ethylenically unsaturated mono- and/or dicarboxylic acid (monomer(s) A1) and b) from 0 to 30% by weight of at least one further ethylenically unsaturated monomer which differs from the monomers A1 (monomer(s) A2) optionally (ii) a low molecular weight crosslinking agent having at least two functional groups which are selected from the group consisting of hydroxyl, carboxyl and derivatives thereof, primary, secondary and tertiary amine, epoxy, aldehyde, an organic isocyanate having at least two isocyanate groups as component (II) and, optionally, a component (III), as an aqueous dispersion, comprising one or more polymer(s) M which is/are composed of the following monomers: a) from 0 to 50% by weight of at least one ethylenically unsaturated monomer which comprises at least one epoxide and/or at least one hydroxyalkyl group (monomer(s) M1) and b) from 50 to 100% by weight of at least one further ethylenically unsaturated monomer which differs from the monomers M1 (monomer(s) M2) and, optionally, customary additives as component (IV), and the binder (b) optionally comprises a formaldehyde scavenger.

    Abstract translation: 一种多层含木素纤维素的模制品，其包含A）中间层或多个包含含木质纤维素颗粒的中间层，其可通过使用粘合剂（a）获得，和B） （a）选自由（a1）甲醛树脂和（a2）具有至少两个异氰酸酯基团的有机异氰酸酯组成的组中的粘合剂（a） （i）包含（i）由以下单体组成的聚合物A：a）70-100重量％的至少一种烯键式不饱和单 - 和/ 或二羧酸（单体A1）和b）0-30重量％的至少一种不同于单体A1（单体A2）的其他烯键式不饱和单体，任选地（ii）低分子量交联 具有至少两个选自羟基，羧基及其衍生物，伯胺，仲胺和叔胺，环氧基，醛，具有至少两个异氰酸酯基团的有机异氰酸酯作为组分（II）的有机异氰酸酯和任选的 作为水分散体的组分（III），其包含一种或多种由以下单体组成的聚合物M：a）0至50重量％的至少一种烯键式不饱和单体，其包含 至少一个环氧化物和/或at 至少一种羟烷基（单体M1）和b）50-100重量％的至少一种不同于单体M1（单体M2）的其他烯键式不饱和单体和任选常规添加剂作为组分 （IV），并且粘合剂（b）任选地包含甲醛清除剂。

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