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    WOOD-BASED MATERIAL INSULATED FOR COMBUSTION RESISTANCE
    1.
    发明申请
    WOOD-BASED MATERIAL INSULATED FOR COMBUSTION RESISTANCE 审中-公开
    基于木材的绝缘材料，以防止燃烧

    公开(公告)号：WO2018031270A1

    公开(公告)日：2018-02-15

    申请号：PCT/US2017/044585

    申请日：2017-07-31

    Applicant: DOW GLOBAL TECHNOLOGIES LLC

    Inventor： STEWART, Gregory T. ,  KALINOWSKI, Matthew J. ,  PATANKAR, Kshitish A. ,  REN, Dakai ,  CRAIN, Steven P. ,  HERST, Ernest J. ,  CHENEY, Daniel W. ,  OLSON, Jeffrey K. ,  CONGLETON, Tyler G.

    IPC: E04B1/94 ,  B32B5/18 ,  B32B21/00 ,  E04C2/296 ,  E04C3/14 ,  E04C2/24 ,  C08G101/00 ,  E04C3/12

    Abstract: A fire retardant article has a wood-based material with a polyisocyanurate foam article attached thereto, where the polyisocyanurate foam article covers 90% or more of the exposed portion of the wood-based material, has a thickness greater than 1.8 centimeters, a foam core having a density of 28-128 kg/m 3 , a trimer concentration characterized by at least one of (i) a trimer level in a range of 12-25 weight-percent and (ii) a molar ratio of trimer to sum of urethane and urea in a range of 1-8, a phosphorous concentration of at least 0.3 wt%, a combined concentration of phosphorous and bromine of at least 0.5 wt%, and a vapor permeable and non-combustible facer on at least one primary surface of the foam core.

    Abstract translation: 阻燃制品具有附着有聚异氰脲酸酯泡沫制品的木基材料，其中聚异氰脲酸酯泡沫制品覆盖木质材料的暴露部分的90％或更多，其厚度 大于1.8厘米的泡沫芯，密度为28-128千克/米3的泡沫芯，三聚体浓度特征在于以下至少一种：（i）三聚体水平在12-25重量 （ii）氨基甲酸酯和脲的三聚体与总量的摩尔比为1-8，磷浓度至少为0.3重量％，磷和溴的组合浓度为至少0.5重量％，和 在泡沫芯体的至少一个主表面上的可透蒸汽且不可燃的面罩。

    POLYURETHANE FOAM FROM HIGH FUNCTIONALITY POLYISOCYANATE
    3.
    发明申请
    POLYURETHANE FOAM FROM HIGH FUNCTIONALITY POLYISOCYANATE 审中-公开
    高功能聚异氰酸酯聚氨酯泡沫塑料

    公开(公告)号：WO2017074758A1

    公开(公告)日：2017-05-04

    申请号：PCT/US2016/057636

    申请日：2016-10-19

    Applicant: DOW GLOBAL TECHNOLOGIES LLC

    Inventor： PATANKAR, Kshitish A. ,  SONNENSCHEIN, Mark F. ,  CRAIN, Steven P. ,  RHOTON, Christina A.

    IPC: C08G18/76 ,  C08G18/10 ,  C08G18/42 ,  C08G18/48

    CPC classification number: C08G18/10 ,  C08G18/4219 ,  C08G18/4829 ,  C08G18/485 ,  C08G18/7664 ,  C08G2101/0025 ,  C08G2101/005 ,  C08G2105/02 ,  C08G18/42

    Abstract: A formulation system contains: (a) a pre-polymer reaction product of a polymeric isocyanate and a polyether polyol, where: (i) the polymeric isocyanate contains five weight-percent or more methylene diphenyl diisocyanate; (ii) the polymeric isocyanate has a functionality of 3.0 or less; (iii) the polyether polyol is present in the pre-polymer at a concentration of one to 25 weight-percent; (iv) the polyol has an equivalent weight of 50 to 500 grams per equivalent; (v) the -NCO concentration of the pre-polymer is 15 to 31 weight-percent; (vi) the pre-polymer is free of isocyanate trimers; (b) a polyester polyol component containing 10 to 25 weight-percent of free glycol; and (c) a blowing agent that contains less than five weight-percent water; where the ratio of pre-polymer and polyester result in foam having a trimer content of 12 to 22 weight-percent, and an -NCO index of more than 300 and less than 700.

    Abstract translation: 制剂体系包含：（a）聚合异氰酸酯和聚醚多元醇的预聚物反应产物，其中：（i）聚合异氰酸酯含有5重量％或更多的亚甲基二苯基二异氰酸酯; （ii）聚合异氰酸酯具有3.0或更小的官能度; （iii）聚醚多元醇以1至25重量百分比的浓度存在于预聚物中; （iv）多元醇的当量重量为每当量50-500克; （v）预聚物的-NCO浓度为15至31重量％; （vi）预聚物不含异氰酸酯三聚体; （b）含有10-25重量％游离二醇的聚酯多元醇组分; 和（c）含有小于5重量百分比的水的发泡剂; 其中预聚物和聚酯的比例导致三聚物含量为12-22重量％的泡沫和-NCO指数大于300且小于700。

    POLYURETHANE FOAM FROM HIGH FUNCTIONALITY POLYISOCYANATE
    5.
    发明公开
    POLYURETHANE FOAM FROM HIGH FUNCTIONALITY POLYISOCYANATE 审中-公开

    公开(公告)号：EP3368585A1

    公开(公告)日：2018-09-05

    申请号：EP16790817.7

    申请日：2016-10-19

    Applicant: Dow Global Technologies LLC

    Inventor： PATANKAR, Kshitish A. ,  SONNENSCHEIN, Mark F. ,  CRAIN, Steven P. ,  RHOTON, Christina A.

    IPC: C08G18/76 ,  C08G18/10 ,  C08G18/42 ,  C08G18/48

    Abstract: A formulation system contains: (a) a pre-polymer reaction product of a polymeric isocyanate and a polyether polyol, where: (i) the polymeric isocyanate contains five weight-percent or more methylene diphenyl diisocyanate; (ii) the polymeric isocyanate has a functionality of 3.0 or less; (iii) the polyether polyol is present in the pre-polymer at a concentration of one to 25 weight-percent; (iv) the polyol has an equivalent weight of 50 to 500 grams per equivalent; (v) the —NCO concentration of the pre-polymer is 15 to 31 weight-percent; (vi) the pre-polymer is free of isocyanate trimers; (b) a polyester polyol component containing 10 to 25 weight-percent of free glycol; and (c) a blowing agent that contains less than five weight-percent water; where the ratio of pre-polymer and polyester result in foam having a trimer content of 12 to 22 weight-percent, and an —NCO index of more than 300 and less than 700.

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