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    Melamin-verstärkte UF-Leime mit bis zu 0,9% Melamin für die Herstellung von mitteldichten Faserplatten
    2.
    发明申请
    Melamin-verstärkte UF-Leime mit bis zu 0,9% Melamin für die Herstellung von mitteldichten Faserplatten 有权
    Melamin-verstärkteUF-Leime mit bis zu 0,9％Melaminfürdie Herstellung von mitteldichten Faserplatten

    公开(公告)号：US20130331541A1

    公开(公告)日：2013-12-12

    申请号：US13852427

    申请日：2013-03-28

    Applicant: BASF SE

    Inventor： Michael Finkenauer ,  Konrad Roschmann ,  Ralph Lunkwitz ,  Stephan Weinkötz

    IPC: C09J161/30

    CPC classification number: C09J161/30 ,  B27N3/002 ,  C08G12/38 ,  C08L97/02 ,  C08L61/30

    Abstract: The present invention relates to a process for producing melamine-urea-formaldehyde resins with up to 0.9% of melamine by reacting a) urea which comprises from 0 to 10% by weight of one or more compounds A, formaldehyde, and melamine in the presence of a base at a pH of from 7.5 to 11, at a temperature of from 20 to 120° C., and at a pressure of from 0.1 to 10 bar, b) and then carrying out reaction in the presence of an acid which optionally comprises urea with from 0 to 10% by weight of one or more compounds A, at a temperature of from 60 to 180° C., and at a pressure of from 0.1 to 10 bar, and c) and then adding urea which comprises from 0 to 10% by weight of one or more compounds A, which comprises carrying out b) at a pH of from 4 to 5.9.

    Abstract translation: 本发明涉及一种通过使a）含有0-10重量％的一种或多种化合物A，甲醛和三聚氰胺的脲在存在下生成具有高达0.9％三聚氰胺的三聚氰胺 - 脲 - 甲醛树脂的方法 的碱为7.5至11，温度为20至120℃，压力为0.1至10巴，b）然后在酸的存在下进行反应，所述酸可任选地 包括含有0至10重量％的一种或多种化合物A的脲，在60至180℃的温度和0.1至10巴的压力下，和c）然后加入包含 0至10重量％的一种或多种化合物A，其包括在4至5.9的pH下进行b）。

    Melamine-reinforced UF glues with up to 0.9% of melamine for producing medium-density fiberboard
    4.
    发明授权
    Melamine-reinforced UF glues with up to 0.9% of melamine for producing medium-density fiberboard 有权
    三聚氰胺增强UF胶与高达0.9％的三聚氰胺生产中密度纤维板

    公开(公告)号：US09080086B2

    公开(公告)日：2015-07-14

    申请号：US13852427

    申请日：2013-03-28

    Applicant: BASF SE

    Inventor： Michael Finkenauer ,  Konrad Roschmann ,  Ralph Lunkwitz ,  Stephan Weinkötz

    IPC: C08G12/12 ,  C09J161/30 ,  C08G12/00

    CPC classification number: C09J161/30 ,  B27N3/002 ,  C08G12/38 ,  C08L97/02 ,  C08L61/30

    Abstract: The present invention relates to a process for producing melamine-urea-formaldehyde resins with up to 0.9% of melamine by reacting a) urea which comprises from 0 to 10% by weight of one or more compounds A, formaldehyde, and melamine in the presence of a base at a pH of from 7.5 to 11, at a temperature of from 20 to 120° C., and at a pressure of from 0.1 to 10 bar, b) and then carrying out reaction in the presence of an acid which optionally comprises urea with from 0 to 10% by weight of one or more compounds A, at a temperature of from 60 to 180° C., and at a pressure of from 0.1 to 10 bar, and c) and then adding urea which comprises from 0 to 10% by weight of one or more compounds A, which comprises carrying out b) at a pH of from 4 to 5.9.

    Abstract translation: 本发明涉及一种通过使a）含有0-10重量％的一种或多种化合物A，甲醛和三聚氰胺的脲在存在下生成具有高达0.9％三聚氰胺的三聚氰胺 - 脲 - 甲醛树脂的方法 的碱为7.5至11，温度为20至120℃，压力为0.1至10巴，b）然后在酸的存在下进行反应，所述酸可任选地 包括含有0至10重量％的一种或多种化合物A的脲，在60至180℃的温度和0.1至10巴的压力下，和c）然后加入包含 0至10重量％的一种或多种化合物A，其包括在4至5.9的pH下进行b）。

    PROCESS FOR PREPARATION OF AMINOPLAST SOLUTIONS
    5.
    发明申请
    PROCESS FOR PREPARATION OF AMINOPLAST SOLUTIONS 审中-公开
    制备氨基酸解决方案的方法

    公开(公告)号：US20150045500A1

    公开(公告)日：2015-02-12

    申请号：US14451948

    申请日：2014-08-05

    Applicant: BASF SE

    Inventor： Michael FINKENAUER ,  Evelyn Fuchs ,  Ralph Lunkwitz ,  Oliver Reese ,  Konrad Roschmann ,  Michael Schmidt ,  Martin Reif ,  Stephan Weinkötz

    IPC: C08G12/12 ,  C08J5/00 ,  C09J161/24

    CPC classification number: C08G12/12 ,  C08G12/00 ,  C08J5/005 ,  C08J2361/24 ,  C09J161/24

    Abstract: The present invention relates to processes for discontinuously or continuously preparing aminoplast solutions by condensation of aminoplast formers with formaldehyde in a serial cascade of at least three stirred tank apparatus A, B, and C, which involves a) in apparatus A, reacting a mixture comprising formaldehyde and urea in a molar ratio of 2.3:1 to 2.9:1 and water at a pH of 6 to 8, set by means of a base, at a temperature of 80 to 85° C., where apparatus A consists of one or more, i.e., one to ten, preferably one to five, more preferably one to three, more particularly one or two stirred tanks in parallel or in series, very preferably of one stirred tank, b) in apparatus B, reacting said mixture at a molar ratio of formaldehyde to urea of 1.9:1 to 2.6:1, where apparatus B consists of one or more stirred tanks, wherein the molar ratio of formaldehyde to urea is lowered, optionally by further addition of urea, in stages to not less than 1.9:1, at a pH of 3.5 to 5.5, which is kept virtually constant, at a temperature of 100 to 105° C., and with a mean residence time of 10 to 90 minutes in the entire apparatus B, c) in apparatus C, at a temperature of 90 to 100° C., raising the pH to at least 5.9 and lowering the molar ratio of formaldehyde to urea to 1.7:1 to 1.4:1, where apparatus C consists of one or more stirred tanks, and d) by adding urea, at temperatures of 15 to 100° C., setting a final molar ratio of formaldehyde to urea of 0.7:1 to 1.28:1 and a pH of at least 7.

    Abstract translation: 本发明涉及通过在至少三个搅拌罐装置A，B和C的串联级联中将氨基塑料形成物与甲醛缩合而不连续或连续制备氨基塑料溶液的方法，其涉及a）在装置A中，使包含 甲醛和尿素的摩尔比为2.3:1至2.9:1，pH为6至8的水通过碱在80至85℃的温度下设定，其中装置A由一个或多个 更优选地，即一至十个，优选一至五个，更优选一至三个，更特别地一个或两个平行或串联的搅拌槽，非常优选一个搅拌槽，b）在设备B中，使所述混合物在 甲醛与尿素的摩尔比为1.9:1至2.6:1，其中装置B由一个或多个搅拌槽组成，其中甲醛与尿素的摩尔比降低，任选地通过进一步加入尿素分级至不小于 1.9：1，pH 3.5〜5.5，保持v 在100至105℃的温度下，在装置C中的整个装置B，c）中的平均停留时间为10至90分钟，温度为90至100℃，升温 pH至至少5.9，并将甲醛与尿素的摩尔比降低至1.7：1至1.4：1，其中装置C由一个或多个搅拌槽组成，d）在15至100℃的温度下加入尿素。 ，将甲醛与尿素的最终摩尔比设定为0.7:1至1.28:1，pH至少为7。

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