公开(公告)号：US09988348B1

公开(公告)日：2018-06-05

申请号：US15615765

申请日：2017-06-06

Applicant: KING SAUD UNIVERSITY

Inventor： Yahia Nasser Mabkhot Gabr ,  Jamal Mohammed Ali Khaled ,  Mujeeb Abdullah Saeed Sultan ,  Salim S. Al-Showiman ,  Naiyf Sultan Helial Alaloi Alharbi ,  Hazem Ahmed Ghabbour

IPC: C07C329/00 ,  A61K31/265

CPC classification number: C07C329/00 ,  A61K31/265 ,  A61K2121/00

Abstract: A method for preparing a trithiocarbonate derivative compound includes reacting ethyl cyanoacetate, carbon disulfide (CS2) and ethyl chloroacetate in the presence of potassium carbonate (K2CO3) in an organic solvent to produce 2,2′-(thiocarbonylbis(sulfanediyl))diacetate compound, represented by the structural formula:

公开(公告)号：US08709543B2

公开(公告)日：2014-04-29

申请号：US13417532

申请日：2012-03-12

Applicant: John Ta-Yuan Lai ,  Anthony D. Pajerski ,  Ronald P. Shea

Inventor： John Ta-Yuan Lai ,  Anthony D. Pajerski ,  Ronald P. Shea

IPC: B05D3/12 ,  C08G18/00

CPC classification number: C07C329/00 ,  C07C329/16 ,  C07C333/22 ,  C08G18/44 ,  Y10T428/249991 ,  Y10T428/31605 ,  Y10T442/20

Abstract: Thiocarbonate compounds are reacted with various polyols to introduce hydroxyl end groups thereto which can be subsequently reacted with urethane forming compounds to form various polyurethanes including block copolymers thereof.

Abstract translation: 硫代碳酸酯化合物与各种多元醇反应以向其中引入羟基端基，其随后可与氨基甲酸酯形成化合物反应以形成包括其嵌段共聚物的各种聚氨酯。

公开(公告)号：US20120171914A1

公开(公告)日：2012-07-05

申请号：US13417532

申请日：2012-03-12

Applicant: John Ta-Yuan Lai ,  Anthony D. Pajerski ,  Ronald P. Shea

Inventor： John Ta-Yuan Lai ,  Anthony D. Pajerski ,  Ronald P. Shea

IPC: B32B5/02 ,  B32B3/06 ,  A61K47/34 ,  B32B27/40 ,  C08G18/28 ,  C08L75/04

CPC classification number: C07C329/00 ,  C07C329/16 ,  C07C333/22 ,  C08G18/44 ,  Y10T428/249991 ,  Y10T428/31605 ,  Y10T442/20

Abstract: Thiocarbonate compounds are reacted with various polyols to introduce hydroxyl end groups thereto which can be subsequently reacted with urethane forming compounds to form various polyurethanes including block copolymers thereof.

Abstract translation: 硫代碳酸酯化合物与各种多元醇反应以向其中引入羟基端基，其随后可与氨基甲酸酯形成化合物反应以形成包括其嵌段共聚物的各种聚氨酯。

公开(公告)号：US20110186773A1

公开(公告)日：2011-08-04

申请号：US13084775

申请日：2011-04-12

Applicant: Jean-Marc SUAU ,  Christian JACQUEMET

Inventor： Jean-Marc SUAU ,  Christian JACQUEMET

IPC: C09K3/00 ,  C07C329/00

CPC classification number: C07C329/00 ,  C04B24/161 ,  C04B24/2652 ,  C04B2103/40 ,  C08F2/38 ,  C08F4/00 ,  C08F220/06

Abstract: The invention relates to novel sulphur compounds, to the production thereof by a method carried out in an aqueous medium and the use thereof in the form of transfer agents in a method for controlled radical polymerisation of acrylic acid and/or acrylic acid with water-soluble monomers in water. The thus obtained polymers are usable in the form of dispersing agents or grinding aid agents and/or aid agents for combined grinding of mineral materials in an aqueous suspension and in the form of dispersing agents directly incorporated into aqueous formulations containing mineral materials.

Abstract translation: 本发明涉及通过在水性介质中进行的方法及其在转移剂形式中的用途来制备新型硫化合物，所述方法用于将丙烯酸和/或丙烯酸与水溶性的自由基聚合的方法 单体在水中。 由此获得的聚合物可以以分散剂或研磨助剂和/或辅助剂的形式用于矿物材料在水性悬浮液中的组合研磨，并以分散剂的形式直接掺入到含有矿物材料的水性制剂中。

公开(公告)号：US07956211B2

公开(公告)日：2011-06-07

申请号：US10594520

申请日：2005-03-23

Applicant: Jean-Marc Suau ,  Christian Jacquemet

Inventor： Jean-Marc Suau ,  Christian Jacquemet

IPC: C07C327/36

CPC classification number: C07C329/00 ,  C04B24/161 ,  C04B24/2652 ,  C04B2103/40 ,  C08F2/38 ,  C08F4/00 ,  C08F220/06

Abstract: The invention relates to novel sulphur compounds, to the production thereof by a method carried out in an aqueous medium and the use thereof in the form of transfer agents in a method for controlled radical polymerization of acrylic acid and/or acrylic acid with water-soluble monomers in water. The thus obtained polymers are usable in the form of dispersing agents or grinding aid agents and/or aid agents for combined grinding of mineral materials in an aqueous suspension and in the form of dispersing agents directly incorporated into aqueous formulations containing mineral materials.

Abstract translation: 本发明涉及新的硫化合物，通过在水性介质中进行的方法及其在转移剂形式中的用途在丙烯酸和/或丙烯酸与水溶性的自由基聚合方法中的应用 单体在水中。 由此获得的聚合物可以以分散剂或研磨助剂和/或辅助剂的形式用于矿物材料在水性悬浮液中的组合研磨，并以分散剂的形式直接掺入到含有矿物材料的水性制剂中。

公开(公告)号：US07666962B2

公开(公告)日：2010-02-23

申请号：US11805949

申请日：2007-05-25

Applicant: Tam Phuong Le ,  Graeme Moad ,  Ezio Rizzardo ,  San Hoa Thang

Inventor： Tam Phuong Le ,  Graeme Moad ,  Ezio Rizzardo ,  San Hoa Thang

IPC: C08F2/00

CPC classification number: C08K5/38 ,  C07C327/36 ,  C07C329/00 ,  C07F9/4065 ,  C08F2/38 ,  C08F12/08 ,  C08F293/00 ,  C08F293/005 ,  C08L25/06

Abstract: This invention concerns a free radical polymerization process, selected chain transfer agents employed in the process and polymers made thereby, in which the process comprises preparing polymer of general Formula (A) and Formula (B) comprising contacting: (i) a monomer selected from the group consisting of vinyl monomers (of structure CH2=CUV), maleic anhydride, N-alkylmaleimide, N-arylmaleimide, dialkyl fumarate and cyclopolymerizable monomers; (ii) a thiocarbonylthio compound selected from Formula (C) and Formula (D) having a chain transfer constant greater than about 0.1; and (iii) free radicals produced from a free radical source; the polymer of Formula (A) being made by contacting (i), (ii) C and (iii) and that of Formula (B) by contacting (i), (ii) D, and (iii); and (iv) controlling the polydispersity of the polymer being formed by varying the ratio of the number of molecules of (ii) to the number of molecules of (iii); wherein Q, R, U, V, Z, Z′, m, p and q am as defined in the text.

Abstract translation: 本发明涉及自由基聚合方法，该方法中使用的选择的链转移剂和由此制备的聚合物，其中该方法包括制备通式（A）和式（B）的聚合物，其包括：（i）选自 由乙烯基单体（结构CH 2 = CUV），马来酸酐，N-烷基马来酰亚胺，N-芳基马来酰亚胺，富马酸二烷基酯和可环化聚合的单体组成的组; （ii）选自式（C）和式（D）的硫代羰基硫代化合物，其链转移常数大于约0.1; 和（iii）自由基产生的自由基; 式（A）的聚合物通过使（i），（ii）D和（iii）接触而使（i），（ii）C和（iii）与式（B） 和（iv）通过改变（ii）的分子数与（iii）的分子数之比来控制形成的聚合物的多分散性; 其中如文中所定义的Q，R，U，V，Z，Z'，m，p和q am。

公开(公告)号：US07632966B2

公开(公告)日：2009-12-15

申请号：US11578268

申请日：2005-05-11

Applicant: William Brown Farnham

Inventor： William Brown Farnham

IPC: C07C327/00 ,  C07C329/00 ,  C01B31/00

CPC classification number: C08F2/38 ,  C07C329/00

Abstract: This invention provides an efficient method for synthesizing trithiocarbonate RAFT agents, RSC(S)SR′, that can be used in the living polymerization of methacrylates and other olefinic monomers. This invention also provides an efficient method of synthesizing bis(alkylsulfanylthiocarbonyl) disulfides that are useful as intermediates in the synthesis of trithiocarbonate RAFT agents.

Abstract translation: 本发明提供了可用于甲基丙烯酸酯和其它烯烃单体的活性聚合中的三硫代碳酸酯RAFT试剂RSC（S）SR'的有效方法。 本发明还提供了合成双（烷基硫烷基硫代羰基）二硫化物的有效方法，其可用作合成三硫代碳酸酯RAFT试剂的中间体。

公开(公告)号：US07498456B2

公开(公告)日：2009-03-03

申请号：US11688891

申请日：2007-03-21

Applicant: John Ta-Yuan Lai

Inventor： John Ta-Yuan Lai

IPC: C07C329/00 ,  C07C321/00 ,  C07C315/00 ,  C08F12/30

CPC classification number: C07C329/00 ,  C07C329/16 ,  C07C329/18 ,  C07C333/24 ,  C08F2/38 ,  C08F4/04 ,  C08F20/18 ,  C08G75/28

Abstract: Dithiocarbonate derivatives are disclosed, along with a process for preparing the same. The dithiocarbonate compounds can be utilized as initators, chain transfer agents and/or terminators in controlled free radical polymerizations. The dithiocarbonates can be used to produce polymers having narrow molecular weight distribution. Advantageously, the compounds of the present invention can also introduce functional groups into the resulting polymers. The dithiocarbonate compounds have low odor and are substantially colorless.

Abstract translation: 公开了二硫代碳酸酯衍生物及其制备方法。 二硫代碳酸酯化合物可以用作引发剂，链转移剂和/或终止剂在受控的自由基聚合中。 二硫代碳酸酯可用于制备具有窄分子量分布的聚合物。 有利地，本发明的化合物还可以将官能团引入所得的聚合物中。 二硫代碳酸酯化合物具有低气味，基本上无色。

公开(公告)号：US20080214773A1

公开(公告)日：2008-09-04

申请号：US12036533

申请日：2008-02-25

Applicant: John Ta-Yuan Lai

Inventor： John Ta-Yuan Lai

IPC: C08G75/28 ,  C07C333/18

CPC classification number: C08F112/08 ,  C07C329/00 ,  C07C329/16 ,  C07C329/18 ,  C07C333/24 ,  C08F2/38 ,  C08F20/18 ,  C08F220/18 ,  C08G75/28

Abstract: Dithiocarbonate derivatives are disclosed, along with a process for preparing the same. The dithiocarbonate compounds can be utilized as initators, chain transfer agents and/or terminators in controlled free radical polymerizations. The dithiocarbonates can be used to produce polymers having narrow molecular weight distribution. Advantageously, the compounds of the present invention can also introduce functional groups into the resulting polymers. The dithiocarbonate compounds have low odor and are substantially colorless.

Abstract translation: 公开了二硫代碳酸酯衍生物及其制备方法。 二硫代碳酸酯化合物可以用作引发剂，链转移剂和/或终止剂在受控的自由基聚合中。 二硫代碳酸酯可用于制备具有窄分子量分布的聚合物。 有利地，本发明的化合物还可以将官能团引入所得的聚合物中。 二硫代碳酸酯化合物具有低气味，基本上无色。

公开(公告)号：US07230063B1

公开(公告)日：2007-06-12

申请号：US11583624

申请日：2006-10-19

Applicant: Dane Kenton Parker

Inventor： Dane Kenton Parker

IPC: C08F12/08 ,  C08F2/38 ,  C07C381/00

CPC classification number: C07D213/32 ,  B60C1/00 ,  C07C329/00 ,  C08F2/38 ,  C08F12/08 ,  C08F236/06 ,  C08F236/08

Abstract: The present invention is directed to a free radical control agent of the structural formula: wherein R1 is a divalent alkyl group of 1 to 12 carbon atoms, R2 and R3 are each independently hydrogen or an alkyl group of 1 to 12 carbon atoms, and R4 is —OH or —COOH, with the proviso that the total carbon atoms of R1, R2, and R3 is no greater than 12; and wherein Y represents a functional group that is capable of activating a vinylic carbon toward free radical addition.

Abstract translation: 本发明涉及以下结构式的自由基控制剂：其中R 1是1至12个碳原子的二价烷基，R 2和R 2， SO 3各自独立地为氢或1至12个碳原子的烷基，R 4为-OH或-COOH，条件是R' SUP> 1，R 2和R 3不大于12; 并且其中Y表示能够将乙烯基碳活化成自由基添加的官能团。