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。