公开(公告)号：US10982036B2

公开(公告)日：2021-04-20

申请号：US16429472

申请日：2019-06-03

Applicant: Saudi Aramco Technologies Company

Inventor： Scott D. Allen ,  Wayne R. Willkomm

IPC: C08G18/08 ,  C08G18/76 ,  C08G18/16 ,  C08G18/18 ,  C08G18/20 ,  C08G18/24 ,  C08G64/02 ,  C08G64/18 ,  C08G64/34 ,  C08G18/44 ,  C08G18/10

Abstract: The present invention encompasses polyurethane compositions comprising aliphatic polycarbonate chains. In one aspect, the present invention encompasses polyurethane foams, thermoplastics and elastomers derived from aliphatic polycarbonate polyols and polyisocyanates wherein the polyol chains contain a primary repeating unit having a structure: In another aspect, the invention provides articles comprising the inventive foam and elastomer compositions as well as methods of making such compositions.

公开(公告)号：US20210106718A1

公开(公告)日：2021-04-15

申请号：US17069239

申请日：2020-10-13

Applicant: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM

Inventor： YI HONG ,  Kytai NGUYEN ,  Philippe ZIMMERN ,  Jun LIAO

IPC: A61L24/04 ,  A61L24/00 ,  C08G18/18 ,  C08G18/22 ,  C08G18/24 ,  C08G18/30 ,  C08G18/32 ,  C08G18/77

Abstract: A tissue adhesive composition comprises a biodegradable adhesive; nanoparticles; and a tissue regenerative agent. Methods of adhering tissue comprise applying a film of the tissue adhesive composition to a first surface of a first biological tissue; contacting a second surface of a second biological tissue with the first surface of the first biological tissue, wherein the film of the composition is positioned between and in contact with both the first surface and the second surface.

公开(公告)号：US20210079294A1

公开(公告)日：2021-03-18

申请号：US16573511

申请日：2019-09-17

Applicant: Saudi Arabian Oil Company

Inventor： Rajesh Kumar Saini ,  Mohammad Haque ,  Mohammed Sayed

IPC: C09K8/80 ,  C09K8/62 ,  C08G18/58 ,  C08G18/54 ,  C08G18/28 ,  C08G18/65 ,  C08G18/18 ,  C08G18/76 ,  C09D175/12 ,  E21B43/267

Abstract: Methods for producing proppants with a fluorinated polyurethane proppant coating are provided. The methods include coating the proppant particles with a strengthening agent, a strengthening agent, and a resin to produce proppants with fluorinated polyurethane proppant coating. Additionally, a proppant comprising a proppant particle and a fluorinated polyurethane proppant coating is provided. The fluorinated polyurethane proppant coating includes a strengthening agent, a strengthening agent, and a resin. The fluorinated polyurethane proppant coating coats the proppant particle. Additionally, a method for increasing a rate of hydrocarbon production from a subsurface formation through the use of the proppants is provided.

公开(公告)号：US20210047548A1

公开(公告)日：2021-02-18

申请号：US16966936

申请日：2019-01-30

Applicant: BASF SE

Inventor： Olaf Jacobmeier ,  Sabrina Kronig ,  Antje Huskobla ,  Christian Renner ,  Peter Huntemann

IPC: C09J175/08 ,  C09J5/08 ,  C09J11/04 ,  C08G18/48 ,  C08G18/76 ,  C08G18/18 ,  C08J9/12 ,  B32B7/12 ,  B32B5/02 ,  B32B37/12

Abstract: Described herein is a process for producing composite elements comprising thermal insulation material (B), adhesive (C), and optionally at least one outer layer (A), where the thermal insulation material (B) is bonded with the adhesive (C). Also described herein are composite elements formed from thermal insulation material (B) and adhesive (C) and optionally at least one outer layer (A), producible by such a process. Also described herein is a method of using the adhesive (C) for the bonding of thermal insulation materials (B).

公开(公告)号：US20210024681A1

公开(公告)日：2021-01-28

申请号：US16980905

申请日：2019-03-19

Applicant: Covestro Intellectual Property GmbH & Co. KG

Inventor： Matthaeus Gossner ,  Veronica-Alina Faerber ,  Lutz Brassat

IPC: C08G18/12 ,  C08J9/00 ,  C08G18/16 ,  C08G18/18 ,  C08G18/20 ,  C08G18/24 ,  C08G18/44 ,  C08G18/48 ,  C08G18/76 ,  C08K5/10

Abstract: The invention relates to a method for producing polyurethane soft foams, in particular open-cell polyurethane soft foams based on polyether carbonate polyol and toluylene diisocyanate, wherein the resulting polyurethane soft foams have similar properties to the already known polyurethane soft foams and they are simpler and more sustainable in terms of their production.

公开(公告)号：US10900592B2

公开(公告)日：2021-01-26

申请号：US15791597

申请日：2017-10-24

Applicant: MINOVA INTERNATIONAL LIMITED

Inventor： Frederick Cybulski ,  Cody Hildreth ,  Peter Shelley Mills ,  Stephen C. Tadolini

IPC: F16L1/06 ,  F16L1/028 ,  F16L3/02 ,  C08G101/00 ,  C08J9/00 ,  C08G18/38 ,  C08G18/18 ,  C08G18/76 ,  F16L3/12 ,  F16L1/026

Abstract: Disclosed is a method and system for supporting a pipeline in a trench. The disclosure is directed to the placement of urea-silicate sprayable or pumpable foams into trenches to provide pipeline pillow supports during placement of the pipeline and to form trench breakers in the trench prior to the trench being backfilled. The pillow supports and trench breakers inhibit erosion of the trench prior to and after being backfilled. The urea-silicate foam material has an open cell content of at least 50% to resist floatation, is non-flammable and electrically conductive. Also disclosed is use of supports for placement between the urea-silicate foam and the bottom of the trench to aid in utilization of the urea-silicate foams in cold weather conditions and in trenches with steeply sloped bottoms. Preferably the supports are biodegradable and electrically conductive when wet.

公开(公告)号：US10829584B2

公开(公告)日：2020-11-10

申请号：US15763586

申请日：2016-09-19

Applicant: BASF SE

Inventor： Yeonsuk K. Roh ,  Steven E. Wujcik

IPC: C08G18/18 ,  C08G18/40 ,  C08G18/48 ,  C08G18/63 ,  C08G18/76 ,  C08J9/12 ,  C08G101/00

Abstract: A high-resiliency polyurethane foam comprises the reaction product of an isocyanate and an isocyanate-reactive component. The isocyanate-reactive component comprises a first polyether polyol in an amount of greater than about 5 parts by weight and a second polyether polyol in an amount of less than about 80 parts by weight, with parts by weight based on the total weight of the isocyanate-reactive component. The high-resiliency polyurethane foam has a resilience of about 45 to about 70% when tested in accordance with ASTM D3574-11. A method of forming a high-resiliency polyurethane foam includes the steps of providing the isocyanate and the isocyanate-reactive component and reacting the isocyanate and the isocyanate-reactive component.

公开(公告)号：US20200339733A1

公开(公告)日：2020-10-29

申请号：US16396864

申请日：2019-04-29

Applicant: Covestro LLC

Inventor： Shawn G. Rider ,  Brandon W. Parks ,  Carson C. Miller

IPC: C08G18/48 ,  C08G18/50 ,  C08G18/20 ,  C08G18/18 ,  C08G18/76 ,  C08J9/08 ,  C08J9/14 ,  F25D23/06 ,  B32B15/04 ,  B32B15/20 ,  B32B5/18

Abstract: Disclosed are polyurethane-foam forming compositions, rigid polyurethane foams and methods for their production, as well as to composite articles comprising such foams sandwiched between facer substrates, including use of such composite elements for floor insulating elements for refrigerated tractor trailers. The rigid polyurethane foams are produced from an isocyanate-reactive composition comprising: (1) a polyol blend; (2) a hydrochlorofluoroolefin; and (3) a tertiary amine catalyst composition.

公开(公告)号：US20200339732A1

公开(公告)日：2020-10-29

申请号：US16956313

申请日：2018-12-21

Applicant: Econic Technologies LTD

Inventor： Michael Kember ,  Rakibul Kabir ,  Mark Andrews

IPC: C08G18/44 ,  C08G18/48 ,  C08G18/76 ,  C08G18/22 ,  C08G18/18 ,  C08K3/016

Abstract: A rigid foam including the reaction product of an (poly)isocyanate, and a polyethercarbonate polyol copolymer is described. The polyethercarbonate polyol copolymer is derived from the copolymerisation of one or more epoxides with CO2, wherein the total-CO2— content of the polyethercarbonate polyol copolymer is between 1 and 40 wt %, the carbonate linkages are

公开(公告)号：US10766994B2

公开(公告)日：2020-09-08

申请号：US15534814

申请日：2015-01-13

Applicant: HUNTSMAN PETROCHEMICAL LLC

Inventor： Ernest L. Rister, Jr. ,  Haibo Zhao ,  Robert A. Grigsby, Jr. ,  Robert B. Moore

IPC: C07C209/80 ,  C08G18/18 ,  C08G18/48 ,  C08G18/76 ,  C08G18/50 ,  C08G18/32 ,  C07C209/84 ,  C08G101/00

Abstract: The present disclosure provides a method for reducing the aldehyde content in an amine catalyst by treating the amine catalyst with a treating agent selected from a non-cyclic amide substituted with an isocyanate reactive group, a guanidine substituted with an isocyanate reactive group, a polyether amine adducted with a urea compound or a guanidine compound, a free radical scavenger and a mixture thereof. The treated amine catalyst may then be used in the production of polyurethane materials which exhibit reduced aldehyde emissions.