公开(公告)号：US10815321B2

公开(公告)日：2020-10-27

申请号：US16095412

申请日：2017-04-21

Applicant: Dow Global Technologies LLC

Inventor： Cornelis F J Den Doelder ,  Stefan Hinrichs ,  Eva-Maria Kupsch ,  Otto J. Berbee ,  Rajesh P. Paradkar ,  Bernard A. Fehr ,  Carmelo Declet Perez

IPC: C08F10/02 ,  C08J5/00 ,  C09D123/06 ,  C08F110/02

Abstract: A process for producing an ethylene-based polymer comprises polymerizing, by the presence of at least one free-radical initiator and using a high pressure tubular polymerization process, a reaction mixture containing ethylene and at least one CTA system comprising one or more CTA components to produce the ethylene-based polymer. The free-radical initiator is dissolved in a solvent comprising a saturated hydrocarbon to form an initiator solution which is added to the polymerization using an initiator feed line to an initiator injection pump. At least 50 wt % of the solvent has i) a dry point of less than or equal to 160° C. and ii) an initial boiling point of greater than or equal to 100° C. The polymerization process has a ratio of inlet pressure to first peak temperature of less than or equal to 9 Bar/° C. At least one CTA make-up stream is fed into the polymerization process, wherein less than or equal to 30 wt % of the at least one CTA make-up stream comprises one or more saturated hydrocarbon CTA(s) with a maximum carbon atom number of 6 per molecule.

公开(公告)号：US20160002496A1

公开(公告)日：2016-01-07

申请号：US14763517

申请日：2014-03-21

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Kaoru Aou ,  Juan Carlos Medina ,  Rajesh P. Paradkar ,  Dwight D. Latham

IPC: C09D175/08

CPC classification number: C09D175/08 ,  C08G18/003 ,  C08G18/022 ,  C08G18/092 ,  C08G18/10 ,  C08G18/1875 ,  C08G18/3206 ,  C08G18/7664 ,  C08G2105/02 ,  C08G2125/00 ,  C08G2261/60 ,  C08G18/302

Abstract: Polyisocyanurate or polyurethane-isocyanurate polymers are made by curing an aromatic polyisocyanate or a mixture of at least one aromatic polyisocyanate and at least one polyol having a hydroxyl equivalent weight of up to 200 in which the isocyanate index is at least 2.00, in the presence of at least one isocyanate trimerization catalyst, to form a polyisocyanurate or polyurethane-isocyanurate polymer having a glass transition temperature of at least 100° C., and then exposing the polyisocyanurate or polyurethane-isocyanurate polymer formed step a) to water under superatmospheric pressure at a temperature of at least 70° C.

Abstract translation: 聚异氰脲酸酯或聚氨酯 - 异氰脲酸酯聚合物是通过将芳族多异氰酸酯或至少一种芳族多异氰酸酯与至少一种羟基当量重量至多为200的多元醇（其中异氰酸酯指数为至少2.00）的混合物在 至少一种异氰酸酯三聚催化剂，以形成玻璃化转变温度为至少100℃的聚异氰脲酸酯或聚氨酯 - 异氰脲酸酯聚合物，然后在超大气压下将形成步骤a）的聚异氰脲酸酯或聚氨酯 - 异氰脲酸酯聚合物暴露于水中， 温度至少为70℃

公开(公告)号：US12077618B2

公开(公告)日：2024-09-03

申请号：US17291408

申请日：2019-11-11

Applicant: Dow Global Technologies LLC

Inventor： Bharat I. Chaudhary ,  Bruce Michael Hasch ,  Sarat Munjal ,  Christopher Eddy ,  Kevin Paul Rogers ,  Rajesh P. Paradkar ,  Arkady Krasovskiy ,  Manish Talreja ,  Saurav S. Sengupta

IPC: C08F210/02 ,  C08L23/08 ,  H01B3/44

CPC classification number: C08F210/02 ,  C08L23/0892 ,  H01B3/441 ,  C08F2800/20 ,  C08F2810/20 ,  C08F2810/50 ,  C08L2312/08

Abstract: A copolymer of ethylene and hydrolysable silane includes from 0.1 wt % to 5.0 wt % hydrolysable silane groups and has a Mz(abs)/Mw(abs) of less than or equal to 9.5; a ratio of Mz(abs)/Mw(abs) to polydispersity of less than or equal to 1.5; a polydispersity of 6.6 or greater; a Density×Polydispersity of 6.0 or greater; or an Amorphous Content at Room Temperature×Polydispersity of 360 or greater. Methods for forming a moisture-crosslinkable polymer composition include forming a copolymer of ethylene and hydrolysable silane at a polymerization temperature of greater than or equal to 180° C. to less than or equal to 400° C. at a pressure from 5,000 psi to 50,000 psi; and adding a silanol condensation catalyst to the copolymer of ethylene and hydrolysable silane.

公开(公告)号：US20220259341A1

公开(公告)日：2022-08-18

申请号：US17631033

申请日：2020-07-27

Applicant: Dow Global Technologies LLC

Inventor： Arkady L. Krasovskiy ,  Yifan Y. Dong ,  Alexandra E. Frankel ,  Ivan A. Konstantinov ,  Sarat Munjal ,  Sean W. Ewart ,  Rajesh P. Paradkar ,  Daniel W. Baugh

IPC: C08F210/02

Abstract: The present disclosure provides an ethylene-based polymer. The ethylene-based polymer is formed from reacting, under polymerization conditions, ethylene monomer and bisallyl maleate (“BAIIM”). The present ethylene-based polymer with ethylene monomer and bisallyl maleate branching agent is interchangeably referred to as “BAIIM-PE.”

公开(公告)号：US20160122582A1

公开(公告)日：2016-05-05

申请号：US14896444

申请日：2014-07-09

Applicant: Dow Global Technologies LLC

Inventor： Kaoru Aou ,  Juan Carlos Medina ,  Rajesh P. Paradkar ,  Dwight Latham ,  Michelle Tipps-Thomas

IPC: C09D175/08 ,  C09D5/00 ,  C09D175/04

CPC classification number: C09D175/08 ,  C08G18/092 ,  C08G18/10 ,  C08G18/163 ,  C08G18/1875 ,  C08G18/246 ,  C08G18/302 ,  C08G18/409 ,  C08G18/4825 ,  C08G18/4841 ,  C08G18/7664 ,  C08G18/794 ,  C08G2125/00 ,  C08G2261/60 ,  C08J5/04 ,  C08J2375/04 ,  C09D5/00 ,  C09D175/04

Abstract: A method for exposing a substrate to water under superatmospheric pressure at a temperature of at least 70° C. includes (a) applying a reaction mixture to a substrate, which reaction mixture has an isocyanate index of at least 10 and includes an aromatic polyisocyanate component, a polyol component having a polyol with a hydroxyl equivalent weight of at least 500, and a catalyst component having an isocyanate trimerization catalyst, and at least partially curing the reaction mixture to form a polyisocyanurate or polyurethane-isocyanurate polymer having a glass transition temperature of at least 80° C., and (b) exposing the substrate and the polyisocyanurate or polyurethane-isocyanurate polymer to water under superatmospheric pressure at a temperature of at least 70° C.

Abstract translation: 一种在超过大气压下在至少70℃的温度下将基材暴露于水的方法包括（a）将反应混合物施加到基材上，该反应混合物的异氰酸酯指数至少为10，并且包括芳族多异氰酸酯组分 具有羟基当量重量至少为500的多元醇的多元醇组分和具有异氰酸酯三聚催化剂的催化剂组分，并且至少部分固化该反应混合物以形成玻璃化转变温度为的聚异氰脲酸酯或聚氨酯 - 异氰脲酸酯聚合物 至少80℃，和（b）在超大气压下在至少70℃的温度下将基材和聚异氰脲酸酯或聚氨酯 - 异氰脲酸酯聚合物暴露于水中。