公开(公告)号：US10604626B2

公开(公告)日：2020-03-31

申请号：US14908795

申请日：2014-07-28

Applicant: Dow Global Technologies LLC

Inventor： Xinrui Yu ,  Yiyong He ,  John W. Hull, Jr. ,  Paul Foley

IPC: C08G71/04

Abstract: A first process to produce polycarbamate comprising providing urea in liquid form; and adding the liquid urea to a polyol is provided. A second process for producing polycarbamate comprising adding solid urea to a polyol in liquid form to form a reaction mixture is provided. Also provided is a reaction product produced by the first process or second process.

公开(公告)号：US10131746B2

公开(公告)日：2018-11-20

申请号：US14912160

申请日：2014-08-15

Applicant: Dow Global Technologies LLC

Inventor： Xinrui Yu ,  Yiyong He ,  John W. Hull, Jr. ,  Daryoosh Beigzadeh ,  Duane R. Romer ,  Thomas P. Clark ,  Peter Margl ,  Congcong Lu

IPC: C08G71/00 ,  C08G71/04 ,  C08G65/333 ,  C09D175/04 ,  C09D175/12

Abstract: A process to prepare polycarbamate comprising adding urea to a polyol in the presence of at least one catalyst selected from the group consisting of compounds having the following formula MmZn; wherein M is a tetravalent metal, and Z is an anionic functionality or a functionality capable of forming a covalent bond with M and wherein n times a valence number of Z equals X and m times four equals Y wherein the absolute value of X equals the absolute value of Y is provided. Also provided are a polycarbamate produced according to the process and a coating composition comprising the polycarbamate.

公开(公告)号：US09683082B2

公开(公告)日：2017-06-20

申请号：US14908843

申请日：2014-07-28

Applicant: Dow Global Technologies LLC

Inventor： Xinrui Yu ,  Yiyong He ,  Ronald H. Leng

IPC: C09D175/12 ,  C08G71/04 ,  B01J19/24 ,  C08G65/333 ,  C09D161/24

CPC classification number: C08G71/04 ,  B01J19/24 ,  B01J2219/00164 ,  B01J2219/24 ,  C08G65/33303 ,  C09D161/24 ,  C09D175/12

Abstract: A process to produce polycarbamate comprising providing urea in liquid form; and adding the urea in liquid form to a polyol in a reduced gradient profile to form polycarbamate product is provided. Also provided are: (a) a reaction product of the process and (b) an apparatus for operating the process.

公开(公告)号：US20180009947A1

公开(公告)日：2018-01-11

申请号：US15712181

申请日：2017-09-22

Applicant: Dow Global Technologies LLC

Inventor： Xinrui Yu ,  Yiyong He ,  John W. Hull, JR. ,  Paul Foley

IPC: C08G71/04 ,  C08G65/333

CPC classification number: C08G71/04 ,  C08G65/33303

Abstract: A first process to produce polycarbamate comprising providing urea in liquid form; and adding the liquid urea to a polyol is provided. A second process for producing polycarbamate comprising adding solid urea to a polyol in liquid form to form a reaction mixture is provided. Also provided is a reaction product produced by the first process or second process.

公开(公告)号：US20160222164A1

公开(公告)日：2016-08-04

申请号：US14912160

申请日：2014-08-15

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Xinrui Yu ,  Yiyong He ,  John W. Hull, JR. ,  Daryoosh Beigzadeh ,  Duane R. Romer ,  Thomas P. Clark ,  Peter Margl ,  Congcong Lu

IPC: C08G71/04 ,  C09D175/12

CPC classification number: C08G71/04 ,  C08G65/33306 ,  C08G65/33324 ,  C09D175/04 ,  C09D175/12

Abstract: A process to prepare polycarbamate comprising adding urea to a polyol in the presence of at least one catalyst selected from the group consisting of compounds having the following formula MmZn; wherein M is a tetravalent metal, and Z is an anionic functionality or a functionality capable of forming a covalent bond with M and wherein n times a valence number of Z equals X and m times four equals Y wherein the absolute value of X equals the absolute value of Y is provided. Also provided are a polycarbamate produced according to the process and a coating composition comprising the polycarbamate.

Abstract translation: 一种制备聚氨酯的方法，包括在至少一种选自具有下式MmZn的化合物的催化剂存在下将多元醇加入到多元醇中; 其中M是四价金属，Z是阴离子官能团或能够与M形成共价键的官能团，并且其中Z的数量等于X和m的四倍等于Y，其中X的绝对值等于绝对值 提供了Y值。 还提供了根据该方法制备的聚氨酯和包含聚氨酯的涂料组合物。

公开(公告)号：US10717817B2

公开(公告)日：2020-07-21

申请号：US15980769

申请日：2018-05-16

Applicant: Dow Global Technologies LLC

Inventor： Xinrui Yu ,  Yiyong He ,  John W. Hull, Jr. ,  Daryoosh Beigzadeh ,  Duane R. Romer ,  Thomas P. Clark ,  Peter Margl ,  Congcong Lu

IPC: C08G71/04 ,  C08G65/333 ,  C09D175/12 ,  C08L75/12

Abstract: A process to prepare polycarbamate comprising adding urea to a polyol in the presence of at least one catalyst selected from the group consisting of compounds having the following formula MmZn; wherein M is a divalent metal, and Z is an anionic functionality or a functionality capable of forming a covalent bond with M and wherein n times a valence number of Z equals X and m times two equals Y wherein the absolute value of X equals the absolute value of Y is provided. Also provided are a polycarbamate produced according to the process and a coating composition comprising the polycarbamate.

公开(公告)号：US10005723B2

公开(公告)日：2018-06-26

申请号：US14912157

申请日：2014-08-15

Applicant: Dow Global Technologies LLC

Inventor： Xinrui Yu ,  Yiyong He ,  John W. Hull, Jr. ,  Daryoosh Beigzadeh ,  Duane Romer ,  Thomas Clark ,  Peter Margl ,  Congcong Lu

IPC: C07C271/00 ,  C07C269/00 ,  C08G65/333 ,  C08G71/04 ,  C07C271/10 ,  C09D7/12 ,  C09D175/04 ,  C09D7/63

CPC classification number: C07C269/00 ,  C07C271/10 ,  C08G65/33303 ,  C08G65/33324 ,  C08G71/04 ,  C09D7/63 ,  C09D175/04

Abstract: A process to prepare polycarbamate comprising adding urea to a polyol in the presence of at least one catalyst selected from the group consisting of compounds having the following formula MmZn; wherein M is a trivalent metal, and Z is an anionic functionality or a functionality capable of forming a covalent bond with M and wherein n times a valence number of Z equals X and m times three equals Y wherein the absolute value of X equals the absolute value of Y is provided. Also provided are a polycarbamate produced according to the process and a coating composition comprising the polycarbamate.

公开(公告)号：US20160194447A1

公开(公告)日：2016-07-07

申请号：US14908795

申请日：2014-07-28

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Xinrui Yu ,  Yiyong He ,  John W. Hull, JR. ,  Paul Foley

IPC: C08G71/04

CPC classification number: C08G71/04

Abstract: A first process to produce polycarbamate comprising providing urea in liquid form; and adding the liquid urea to a polyol is provided. A second process for producing polycarbamate comprising adding solid urea to a polyol in liquid form to form a reaction mixture is provided. Also provided is a reaction product produced by the first process or second process.

Abstract translation: 生产聚氨酯的第一种方法，包括提供液态尿素; 并提供液态尿素至多元醇。 提供了生产聚氨酯的第二种方法，其包括将固体尿素加入到液体形式的多元醇中以形成反应混合物。 还提供了通过第一工艺或第二工艺生产的反应产物。

公开(公告)号：US09006379B2

公开(公告)日：2015-04-14

申请号：US13955612

申请日：2013-07-31

Applicant: Dow Global Technologies LLC

Inventor： Xinrui Yu ,  Yiyong He ,  Ronald B. Leng

IPC: C08G12/34 ,  C08G63/668 ,  C08G65/333 ,  C08G71/04 ,  C08G63/685

CPC classification number: C08G71/04 ,  C08G63/668 ,  C08G63/6852 ,  C08G65/33303

Abstract: A process to produce polycarbamate comprising providing urea in liquid form; and adding the urea in liquid form to a polyol in a reduced gradient profile to form polycarbamate product is provided. Also provided are: (a) a reaction product of the process and (b) an apparatus for operating the process.

Abstract translation: 一种生产聚氨酯的方法，包括以液体形式提供尿素; 并提供液体形式的脲以减少的梯度曲线形式制成多元醇以形成聚氨酯。 还提供了：（a）该方法的反应产物和（b）用于操作该方法的装置。

公开(公告)号：US10343983B2

公开(公告)日：2019-07-09

申请号：US15986271

申请日：2018-05-22

Applicant: Dow Global Technologies LLC

Inventor： Xinrui Yu ,  Yiyong He ,  John W. Hull, Jr. ,  Daryoosh Beigzadeh ,  Duane R. Romer ,  Thomas P. Clark ,  Peter Margl ,  Congcong Lu

IPC: C09D7/63 ,  C07C269/00 ,  C08G65/333 ,  C08G71/04 ,  C07C271/10 ,  C09D175/04

Abstract: A polycarbamate comprising having less than 5 wt % total of biuret, cyanuric acid, and polyallophanate; and has a Gardner level of equal or greater than 3 is provided. A coating comprising the polycarbamate is also provided.