-
公开(公告)号:US20210189056A1
公开(公告)日:2021-06-24
申请号:US17051858
申请日:2019-06-03
Applicant: Dow Global Technologies LLC
Inventor: Adebola O. Ogunniyi , Aiping Hu , Kaoru Aou , Robert S. York , Melissa M. Rose , Arne Anderson , David K. Mulkey
Abstract: Polyurethane-polyisocyanurate foams are prepared using a polyether polyol made from an alkylene oxide mixture that contains a specified proportion of ethylene oxide. The selection of proper polyol equivalent weight and ethylene oxide content leads to the production of foams having a useful combination of properties.
-
公开(公告)号:US11584822B2
公开(公告)日:2023-02-21
申请号:US17051858
申请日:2019-06-03
Applicant: Dow Global Technologies LLC
Inventor: Adebola O. Ogunniyi , Aiping Hu , Kaoru Aou , Robert S. York , Melissa M. Rose , Arne Anderson , David K. Mulkey
Abstract: Polyurethane-polyisocyanurate foams are prepared using a polyether polyol made from an alkylene oxide mixture that contains a specified proportion of ethylene oxide. The selection of proper polyol equivalent weight and ethylene oxide content leads to the production of foams having a useful combination of properties.
-