公开(公告)号：US20150018512A1

公开(公告)日：2015-01-15

申请号：US14373955

申请日：2013-02-04

Applicant: Dow Global Technologies LLC

Inventor： William H. Heath ,  Harpreet Singh ,  Amarnath Singh ,  Jorge Jimenez ,  Qiuyun Xu

IPC: C08G64/30

CPC classification number: C08G64/305 ,  C08G63/64

Abstract: Polyester-co-carbonate polyols and methods for producing the same are provided. The method comprises reacting one or more alcohols having an OH functionality of two or more with one or more organic diacids to form a reaction mixture, adding a first amount of dialkyl carbonate to the reaction mixture to remove water remaining from the reaction mixture by azeotropic drying, adding a transesterification catalyst to the dialkyl carbonate containing reaction mixture and adding a second amount of dialkyl carbonate to the catalyst containing reaction mixture.

Abstract translation: 提供了聚酯 - 碳酸酯多元醇及其制备方法。 该方法包括将一种或多种具有两个或多个OH官能团的醇与一种或多种有机二酸反应以形成反应混合物，向反应混合物中加入第一量的碳酸二烷基酯以通过共沸干燥除去残留在反应混合物中的水 向含碳酸二烷基酯的反应混合物中加入酯交换催化剂，并向含催化剂的反应混合物中加入第二量的碳酸二烷基酯。

公开(公告)号：US20160130466A1

公开(公告)日：2016-05-12

申请号：US14893657

申请日：2014-06-25

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Subodh P Jagtap ,  Marcin Grigoriew ,  Harpreet Singh ,  William H. Heath ,  Amarnath Singh

IPC: C09D175/04 ,  B05D3/00

CPC classification number: C09D175/04 ,  B05D3/007 ,  C08G18/10 ,  C08G18/44 ,  C08G18/3814

Abstract: A method for forming a polyurethane coating on an industrial roller includes applying a coating that is a product of a coating forming reaction mixture, which includes a prepolymer component and a curative component, to an industrial roller. The prepolymer component includes a polycarbonate prepolymer, which is a product of a prepolymer forming reaction mixture that includes an isocyanate component and a polycarbonate polyol, and the prepolymer component is present in the coating forming reaction mixture in an amount from 30 wt % to 80 wt %, based on a total weight of the coating forming reaction mixture. The curative component includes a chlorinated aromatic diamine curative agent, and the curative component is present in the coating forming reaction mixture in an amount from 5 wt % to 20 wt %, based on the total weight of the coating forming reaction mixture. Further, the coating is cured to form a polyurethane coating layer on the industrial roller.

Abstract translation: 用于在工业辊上形成聚氨酯涂层的方法包括将包含预聚物组分和固化组分的涂层形成反应混合物的产物的涂层施加到工业辊上。 预聚物组分包括聚碳酸酯预聚物，其是预聚物形成反应混合物的产物，其包含异氰酸酯组分和聚碳酸酯多元醇，并且预聚物组分以30重量％至80重量％的量存在于涂料形成反应混合物中 ％，基于涂料形成反应混合物的总重量。 固化剂组分包括氯化芳族二胺固化剂，并且固化组分以涂料形成反应混合物的总重量计为5重量％至20重量％的量存在于涂料形成反应混合物中。 此外，涂层被固化以在工业辊上形成聚氨酯涂层。

公开(公告)号：US20150031815A1

公开(公告)日：2015-01-29

申请号：US14357262

申请日：2012-12-04

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Harpreet Singh ,  Viviano Bertolone ,  Orazio Rubulotta ,  Jorge Jimenez ,  William H. Heath ,  Amarnath Singh ,  William A. Koonce

IPC: C09J175/06 ,  C09J163/04

CPC classification number: C09J175/06 ,  C08G18/10 ,  C08G18/12 ,  C08G18/4009 ,  C08G18/4018 ,  C08G18/4045 ,  C08G18/4202 ,  C08G18/44 ,  C08G63/64 ,  C09J163/04 ,  C09J175/04

Abstract: A two-component curable adhesive or sealant composition is provided. The first component may comprise a mixture of at least one polyol selected from the group comprising a polyester polyol, a polyester-polycarbonate copolymer polyol, and combinations thereof, a resin, and optionally a solvent. The second component may comprise a prepolymer obtained by reacting a polyester-polycarbonate copolymer polyol which is the reaction product of a polyester polyol which is the reaction product of one or more organic acids, and one or more glycols having a functionality of two or more and one or more polycarbonate polyols, at least one organic polyisocyanate component, and at least one chain extending agent and optionally a solvent. Alternatively, the first component may comprise a polyester-polycarbonate copolymer polyol, a resin, and optionally a solvent. The second component may comprise a polyisocyanate curative and optionally a solvent. The cured adhesive exhibits improved hydrolytic properties while maintaining excellent processability and adhesive properties.

Abstract translation: 提供了双组分可固化的粘合剂或密封剂组合物。 第一组分可以包含选自包含聚酯多元醇，聚酯 - 聚碳酸酯共聚物多元醇及其组合的组中的至少一种多元醇，树脂和任选的溶剂的混合物。 第二组分可以包含通过使作为一种或多种有机酸的反应产物的聚酯多元醇与一种或多种具有两个或多个官能度的二元醇的反应产物的聚酯 - 聚碳酸酯共聚物多元醇和 一种或多种聚碳酸酯多元醇，至少一种有机多异氰酸酯组分和至少一种扩链剂和任选的溶剂。 或者，第一组分可以包含聚酯 - 聚碳酸酯共聚物多元醇，树脂和任选的溶剂。 第二组分可以包含多异氰酸酯固化剂和任选的溶剂。 固化的粘合剂表现出改善的水解性能，同时保持优异的加工性能和粘合性能。

公开(公告)号：US20240066499A1

公开(公告)日：2024-02-29

申请号：US18260872

申请日：2022-03-21

Applicant: Dow Global Technologies LLC

Inventor： Yujun Liu ,  Xue Chen ,  Stephen W. King ,  Towhid Hasan ,  Jerrod Ruddick ,  James York ,  Amarnath Singh

IPC: B01J20/26 ,  B01J20/10 ,  B01J20/281 ,  B01J20/34

CPC classification number: B01J20/262 ,  B01J20/103 ,  B01J20/281 ,  B01J20/34 ,  B01J2220/56 ,  B01J2220/60

Abstract: The present invention describes a method to remove metals present in a mixture comprising one or more organic amines comprising the step of contacting the mixture with a silica-polyethyleneimine adsorbent.

公开(公告)号：US20140100348A1

公开(公告)日：2014-04-10

申请号：US14119072

申请日：2012-06-14

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Kamesh R. Vyakaranam ,  Ling Zhang ,  Venkat S. Minnikanti ,  Rajat Duggal ,  William A. Koonce ,  Amarnath Singh ,  Phillip S. Athey

IPC: C08G18/10

CPC classification number: C08G18/10 ,  C08G18/289 ,  C08G18/718 ,  C08G18/7621 ,  C08G2190/00 ,  C08G18/4825 ,  C08G18/4829

Abstract: Methods of producing a composition comprising a crosslinkable silane-terminated polymer having at least one cross-linkable silyl group in each molecule are provided. The method may comprise providing a polymer having at least one unsaturated group and at least one alcohol hydroxyl group in each molecule and having a number average molecular weight between about 100 and about 5,000, adding to the polymer a compound having a hydrogen-silicon bond and a crosslinkable silyl group in each molecule and a hydrosilylation catalyst to thereby carry out a hydrosilylation reaction to form a composition comprising hydrosilylated polymers, wherein the hydrosilylation reaction has a hydrosilylation efficiency greater than 50% as determined by 1H-NMR, capping the hydrosilylated polymers by adding the hydrosilylated polymer to at least one isocyanate at an index of between about 100 and about 250, and reacting the isocyanate capped hydrosilylated polymer with a polyol having a nominal functionality of at least 2 to form the composition comprising a crosslinkable silane-terminated polymer.

Abstract translation: 提供了包含在每个分子中具有至少一个可交联甲硅烷基的可交联硅烷封端的聚合物的组合物的方法。 该方法可以包括提供在每个分子中具有至少一个不饱和基团和至少一个醇羟基并且数均分子量在约100和约5,000之间的聚合物，向聚合物中加入具有氢 - 硅键的化合物和 每个分子中的可交联甲硅烷基和氢化硅烷化催化剂，由此进行氢化硅烷化反应以形成包含氢化硅烷化聚合物的组合物，其中氢化硅烷化反应的氢化硅烷化效率大于50％，如通过1 H-NMR确定的，氢化硅烷化聚合物由 将氢化硅烷化聚合物以约100至约250的指数加入到至少一种异氰酸酯中，并使异氰酸酯封端的硅烷化聚合物与标称官能度至少为2的多元醇反应，以形成包含可交联硅烷封端的聚合物的组合物。

公开(公告)号：US20150025217A1

公开(公告)日：2015-01-22

申请号：US14379576

申请日：2013-03-13

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： William H. Heath ,  Harpreet Singh ,  Amarnath Singh ,  Jorge Jimenez ,  Qiuyun Xu

IPC: C08G64/30

CPC classification number: C08G64/305 ,  C08G64/0208

Abstract: Embodiments of the invention provide for methods of producing a polycarbonate polyol. The method includes charging a vessel with butanediol, charging the vessel with a polymerization catalyst, and adding to the vessel dimethyl carbonate at a rate of at least 2.0 g of DMC per minute per kg of BDO to produce polycarbonate polyol at a polycarbonate polyol yield of at least 80% of a theoretical yield.

Abstract translation: 本发明的实施方案提供了生产聚碳酸酯多元醇的方法。 该方法包括用丁二醇装入容器，用聚合催化剂装入容器，并以每千克BDO每分钟至少2.0克DMC的速率向容器中加入容器中，以聚碳酸酯多元醇的产率制备聚碳酸酯多元醇 至少80％的理论产量。

公开(公告)号：US20140352904A1

公开(公告)日：2014-12-04

申请号：US14374056

申请日：2013-02-27

Applicant: Dow Global Technologies LLC

Inventor： Harpreet Singh ,  William H. Heath ,  Amarnath Singh ,  Asfar N. Chowdhury ,  Marcin Grigoriew ,  Kaoru Aou

IPC: C08G18/44 ,  C08G18/48 ,  D21F1/00 ,  C08G18/76

CPC classification number: C08G18/44 ,  C08G18/10 ,  C08G18/12 ,  C08G18/324 ,  C08G18/4018 ,  C08G18/4854 ,  C08G18/7621 ,  C08G18/7671 ,  D21F1/0027 ,  D21F3/0227 ,  C08G18/6685 ,  C08G18/6651

Abstract: Embodiments of the invention provide for paper mill equipment that can better withstand the conditions of a paper Mill. Embodiments encompass paper mill equipment that incorporate a polyurethane layer having a hysteresis value of less than 70% and a permanent set of less than 30%. The polyurethane layer includes a polyurethane produced by curing a mixed composition. The mixed composition includes at least a urethane prepolymer (A) and at least a curing agent (B) having an active hydrogen group (H). The urethane prepolymer (A) has at least one terminal isocyanate group and is obtained by reacting at least a polyisocyanate compound (a) with at least a polycarbonate diol compound (b) having a number average molecular weight of at least 1500 g/mol. The curing agent (B) includes at least an amine compound. The elastomer compositions are also useful to coat the acid pickling roller in the steel industry.

Abstract translation: 本发明的实施例提供了能够更好地承受造纸厂的条件的造纸设备。 实施例包括结合具有小于70％的滞后值和小于30％的永久变形的聚氨酯层的造纸设备。 聚氨酯层包括通过固化混合组合物制备的聚氨酯。 混合组合物至少包含氨基甲酸酯预聚物（A）和至少具有活性氢基（H）的固化剂（B）。 氨基甲酸酯预聚物（A）具有至少一个末端异氰酸酯基团，并且通过使至少多异氰酸酯化合物（a）与数均分子量为至少1500g / mol的至少一种聚碳酸酯二醇化合物（b）反应而获得。 固化剂（B）至少包含胺化合物。 弹性体组合物也可用于涂覆钢铁工业中的酸洗辊。