PROCESS FOR PREPARATION OF AMINOPLAST SOLUTIONS
    14.
    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

    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。

    LIGNOCELLULOSIC MATERIALS WITH EXPANDED PLASTICS PARTICLES PRESENT IN NONUNIFORM DISTRIBUTION IN THE CORE
    15.
    发明申请
    LIGNOCELLULOSIC MATERIALS WITH EXPANDED PLASTICS PARTICLES PRESENT IN NONUNIFORM DISTRIBUTION IN THE CORE 有权
    核心中非扩散分布中出现的具有膨胀的塑料颗粒的LignocellULOSIC材料

    公开(公告)号:US20130177757A1

    公开(公告)日:2013-07-11

    申请号:US13724005

    申请日:2012-12-21

    Applicant: BASF SE

    Abstract: The invention is directed to lignocellulosic materials having a core and two outer layers, containing in the core A) lignocellulose particles; B) expanded plastics particles having a bulk density in the range from 10 to 150 kg/m3, C) one or more binders selected from the group consisting of aminoplast resin, phenoplast resin, and organic isocyanate having at least two isocyanate groups, and D) optionally additives and in the outer layers E) lignocellulose particles, F) one or more binders selected from the group consisting of aminoplast resin, phenol-formaldehyde resin, and organic isocyanate having at least two isocyanate groups, and where the lignocellulose particles of the outer layers E comprise at least 25% by weight of lignocellulosic chips and the expanded plastics particles B are present in nonuniform distribution in the core.

    Abstract translation: 本发明涉及具有芯和两个外层的木质纤维素材料,其包含在芯A)木质纤维素颗粒中; B)膨胀密度在10至150kg / m 3范围内的膨胀塑料颗粒,C)一种或多种选自氨基塑料树脂,酚醛树脂和具有至少两个异氰酸酯基团的有机异氰酸酯的粘合剂,D )任选的添加剂和外层E)木质纤维素颗粒,F)一种或多种选自氨基塑料树脂,酚醛树脂和具有至少两个异氰酸酯基团的有机异氰酸酯的粘合剂,其中木质纤维素颗粒 外层E包含至少25重量%的木质纤维素片,并且发泡塑料颗粒B以不均匀分布存在于芯中。

    Lignocellulosic materials with expanded plastics particles present in nonuniform distribution in the core
    16.
    发明授权
    Lignocellulosic materials with expanded plastics particles present in nonuniform distribution in the core 有权
    具有发泡塑料颗粒的木质纤维素材料在核心中以不均匀分布存在

    公开(公告)号:US09266308B2

    公开(公告)日:2016-02-23

    申请号:US13724005

    申请日:2012-12-21

    Applicant: BASF SE

    Abstract: The invention is directed to lignocellulosic materials having a core and two outer layers, containing in the core A) lignocellulose particles; B) expanded plastics particles having a bulk density in the range from 10 to 150 kg/m3, C) one or more binders selected from the group consisting of aminoplast resin, phenoplast resin, and organic isocyanate having at least two isocyanate groups, and D) optionally additives and in the outer layers E) lignocellulose particles, F) one or more binders selected from the group consisting of aminoplast resin, phenol-formaldehyde resin, and organic isocyanate having at least two isocyanate groups, and where the lignocellulose particles of the outer layers E comprise at least 25% by weight of lignocellulosic chips and the expanded plastics particles B are present in nonuniform distribution in the core.

    Abstract translation: 本发明涉及具有芯和两个外层的木质纤维素材料,其包含在芯A)木质纤维素颗粒中; B)膨胀密度在10至150kg / m 3范围内的膨胀塑料颗粒,C)一种或多种选自氨基塑料树脂,酚醛树脂和具有至少两个异氰酸酯基团的有机异氰酸酯的粘合剂,D )任选的添加剂和外层E)木质纤维素颗粒,F)一种或多种选自氨基塑料树脂,酚醛树脂和具有至少两个异氰酸酯基团的有机异氰酸酯的粘合剂,其中木质纤维素颗粒 外层E包含至少25重量%的木质纤维素片,并且发泡塑料颗粒B以不均匀分布存在于芯中。

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