公开(公告)号：US20200339727A1

公开(公告)日：2020-10-29

申请号：US16769562

申请日：2018-12-06

申请人： SHELL OIL COMPANY

发明人： Arvind KUMAR ,  Pranaya Man Singh PRADHAN

IPC分类号： C08G18/08 ,  C08G18/48 ,  C08G18/76 ,  C08K5/00 ,  C08K5/134

摘要： The invention relates to a process for preparing a polyurethane foam comprising reacting a polyether polyol and a polyisocyanate in the presence of a blowing agent and an antioxidant, wherein: the antioxidant consists of one or two or more phenolic antioxidants, wherein the one or more phenolic antioxidants contain no atoms other than carbon, hydrogen and oxygen, and the amount of the one or more phenolic antioxidants is of from 2,300 to less than 10,000 parts per million by weight (ppmw) based on the polyether polyol; the isocyanate index is higher than 100; the maximum temperature during the preparation of the polyurethane foam is higher than 140° C.; and the density of the polyurethane foam is lower than 25 kg/m3.

公开(公告)号：US20180072838A1

公开(公告)日：2018-03-15

申请号：US15564475

申请日：2016-04-06

申请人： SHELL OIL COMPANY

发明人： Pranaya Man Singh PRADHAN ,  Eswaramurthi NACHIAPPAN ,  Michiel Barend ELEVELD

IPC分类号： C08G18/48 ,  C08G18/76 ,  C08G65/26

CPC分类号： C08G18/485 ,  C08G18/4866 ,  C08G18/7614 ,  C08G65/2609 ,  C08G65/2663 ,  C08G2101/00 ,  C08G2101/005 ,  C08G2101/0083

摘要： A polyether polyol containing composite metal cyanide complex catalyst residue, said polyether polyol having a functionality in the range of from 2.9 to 4.5, a hydroxyl value in the range of from 28 to 42 and containing in the range of from 8 to 60 wt % ethylene oxide moieties randomly distributed throughout the polyether chains.

公开(公告)号：US20170298172A1

公开(公告)日：2017-10-19

申请号：US15516914

申请日：2015-10-05

申请人： SHELL OIL COMPANY

发明人： Pranaya Man Singh PRADHAN ,  Mohandoss VRISHABADOSS ,  Arvind KUMAR ,  Prem Kumar DHANAPAL

IPC分类号： C08G18/48 ,  C08G18/18 ,  C08G18/76

CPC分类号： C08G18/4804 ,  C08G18/1808 ,  C08G18/1833 ,  C08G18/2063 ,  C08G18/3275 ,  C08G18/4816 ,  C08G18/4829 ,  C08G18/632 ,  C08G18/6688 ,  C08G18/7621

摘要： A process for making a polyurethane foam, comprising combining, at an isocyanate index of at most 120: (a) a polyol component comprising (i) from 10 to 70 parts by weight of a first polyol having a number average molecular weight of 2000 to 12000 Dalton, and a functionality of 2 to 6; and (ii) from 90 to 30 parts by weight of a second polyol having a number average molecular weight of 300 to 1500 Dalton, a functionality of 2 to 6, and a hydroxyl value of 100 to 600 mg KOH/g; (b) an amine catalyst consisting of: (i) from 0.2 to 0.6 pphp of triethylenediamine, and optionally from 0.05 to 0.20 pphp bis(dimethylaminoethyl)ether; or (ii) an amount of one or more tertiary amines having a catalytic gelling and/or blowing activity equivalent to (i); and (c) foam-forming reactants comprising an aromatic polyisocyanate, to obtain the foam.

公开(公告)号：US20170002128A1

公开(公告)日：2017-01-05

申请号：US15106844

申请日：2014-12-19

申请人： SHELL OIL COMPANY

发明人： Michiel Barend ELEVELD ,  Pranaya Man Singh PRADHAN ,  Eswaramurthi NACHIAPPAN

IPC分类号： C08G18/48 ,  C08J9/00 ,  C08G18/24 ,  C08G18/38 ,  C08G18/18

CPC分类号： C08G18/4895 ,  C08G18/165 ,  C08G18/18 ,  C08G18/244 ,  C08G18/3275 ,  C08G18/3851 ,  C08G18/4866 ,  C08G18/6685 ,  C08G18/6688 ,  C08G18/7621 ,  C08G2101/0008 ,  C08G2101/0083 ,  C08J9/0038 ,  C08J2205/06 ,  C08J2375/08

摘要： A process for making a flame retardant polyurethane foam, the process comprising reacting a PO based polyol with foam-forming reactants to provide said polyurethane foam, wherein said polyol is prepared by ring-opening polymerization of alkylene oxide in the presence of a composite metal cyanide complex catalyst, and wherein said polyol is either free from EO moieties or comprises EO moieties in an amount of at most 1% w/w.

摘要翻译： 一种制备阻燃聚氨酯泡沫的方法，所述方法包括使PO基多元醇与形成泡沫的反应物反应以提供所述聚氨酯泡沫，其中所述多元醇通过在复合金属氰化物存在下环氧烷的开环聚合制备 复合催化剂，并且其中所述多元醇不含EO部分或包含至多1％w / w的量的EO部分。