公开(公告)号：US11136444B2

公开(公告)日：2021-10-05

申请号：US16487252

申请日：2017-02-20

Applicant: Dow Global Technologies LLC

Inventor： Jiguang Zhang ,  Shaoguang Feng ,  Michael T. Malanga ,  Zhengming Tang ,  Wenbin Yao ,  Degang Zhang ,  Ping Zhang ,  Jian Zou

IPC: C08J9/00 ,  C08G18/18 ,  C08G18/40 ,  C08G18/48 ,  C08G18/63 ,  C08G18/76 ,  C08J9/04 ,  C08K5/103 ,  C08K5/134 ,  C08G101/00

Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, at least one polyacetoacetate compound and least one antioxidant. Foams so produced emit low levels of both formaldehyde and acetaldehyde.

公开(公告)号：US11130830B2

公开(公告)日：2021-09-28

申请号：US16617311

申请日：2017-05-29

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Jiguang Zhang ,  Jian Zou ,  Yahong Zhang ,  Hongyu Chen ,  Zheng Zhang

IPC: C08L33/14 ,  C08F220/28 ,  C08F220/14 ,  C09D133/06 ,  C09D133/14 ,  C08K5/07

Abstract: A suspension process for preparing an acetoacetyl functional polymer and the acetoacetyl functional polymer made from the process suitable for aldehyde abatement.

公开(公告)号：US09963613B2

公开(公告)日：2018-05-08

申请号：US14858346

申请日：2015-09-18

Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  ROHM AND HAAS COMPANY

Inventor： Jiguang Zhang ,  Shouxue Guo ,  Yujiang Wang ,  Shaoguang Feng ,  Siyuan Jiang ,  Caifeng Wang

IPC: C09D133/14 ,  C08F283/00 ,  C08L33/12 ,  C09D133/12 ,  C08G18/48 ,  C08G18/66 ,  C08F290/06 ,  C08G18/08 ,  C08G18/10 ,  C08G18/12 ,  C08G18/32 ,  C08G18/34 ,  C08G18/42 ,  C08G18/38

CPC classification number: C09D133/14 ,  C08F283/006 ,  C08F290/067 ,  C08G18/0823 ,  C08G18/10 ,  C08G18/12 ,  C08G18/3206 ,  C08G18/348 ,  C08G18/384 ,  C08G18/4238 ,  C08G18/4825 ,  C08G18/6674 ,  C08G18/6692 ,  C08L33/12 ,  C09D133/12 ,  C08G18/672

Abstract: The present invention provides a new process of preparation for PUA with superior mechanical performance, such as elongation, and tensile strength. The process is solvent free, smooth, and robust. PU prepolymer prepared according to the present invention has low viscosity, and contains no particulate DMPA.

公开(公告)号：US20160009944A1

公开(公告)日：2016-01-14

申请号：US14858346

申请日：2015-09-18

Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  ROHM AND HAAS COMPANY

Inventor： Jiguang Zhang ,  Shouxue Guo ,  Yujiang Wang ,  Shaoguang Feng ,  Siyuan Jiang ,  Caifeng Wang

IPC: C09D133/14

CPC classification number: C09D133/14 ,  C08F283/006 ,  C08F290/067 ,  C08G18/0823 ,  C08G18/10 ,  C08G18/12 ,  C08G18/3206 ,  C08G18/348 ,  C08G18/384 ,  C08G18/4238 ,  C08G18/4825 ,  C08G18/6674 ,  C08G18/6692 ,  C08L33/12 ,  C09D133/12 ,  C08G18/672

Abstract: The present invention provides a new process of preparation for PUA with superior mechanical performance, such as elongation, and tensile strength. The process is solvent free, smooth, and robust. PU prepolymer prepared according to the present invention has low viscosity, and contains no particulate DMPA.

Abstract translation: 本发明提供了具有优异的机械性能如伸长率和拉伸强度的PUA的新制备方法。 该方法无溶剂，流畅，稳定。 根据本发明制备的PU预聚物具有低粘度，并且不含DMPA颗粒。