公开(公告)号：US20250145823A1

公开(公告)日：2025-05-08

申请号：US18500709

申请日：2023-11-02

Applicant: Covestro LLC

Inventor： Brandon W. Parks

IPC: C08L75/04 ,  C08K5/01 ,  C08K5/07 ,  C08K5/098 ,  C08K5/17

Abstract: Polyurethane foam-forming compositions, methods of producing polyurethane foams, polyurethane foams produced from such compositions made by such methods, as well as isocyanate-reactive compositions. The polyurethane foam-forming compositions include (a) a polyol, (b) catalyst composition comprising a tertiary amine and a metal carboxylate, (c) a blowing agent composition comprising a physical blowing agent and water, (d) a β-dicarbonyl compound, and (e) a polyisocyanate.

公开(公告)号：US11732100B2

公开(公告)日：2023-08-22

申请号：US17810388

申请日：2022-07-01

Applicant: Covestro LLC

Inventor： Rick L. Adkins ,  Brandon W. Parks ,  Steve L. Aprahamian ,  Carson C. Miller ,  Emily E. Connor

IPC: C08J9/08 ,  C08G18/12 ,  C08G18/18 ,  C08G18/20 ,  C08G18/30 ,  C08G18/38 ,  C08G18/42 ,  C08G18/48 ,  C08G18/50 ,  C08G18/76 ,  C08J9/14

CPC classification number: C08J9/08 ,  C08G18/12 ,  C08G18/1808 ,  C08G18/1816 ,  C08G18/2036 ,  C08G18/30 ,  C08G18/3819 ,  C08G18/4244 ,  C08G18/4816 ,  C08G18/4829 ,  C08G18/5024 ,  C08G18/5027 ,  C08G18/7664 ,  C08J9/141 ,  C08G2110/005 ,  C08G2110/0025 ,  C08J2203/02 ,  C08J2203/14 ,  C08J2203/184 ,  C08J2205/052 ,  C08J2205/10 ,  C08J2207/00 ,  C08J2375/04

Abstract: Polyol premixes and thermally insulating rigid polyurethane foams, such as those that can be used as a thermal insulation medium in the construction of refrigerated storage devices, are disclosed. A polymer polyol having a OH number of greater than 260 mg KOH/g is utilized. The resulting polyurethane foams can exhibit improved thermal insulation properties without sacrificing other important physical and processing properties.

公开(公告)号：US11161931B2

公开(公告)日：2021-11-02

申请号：US16296937

申请日：2019-03-08

Applicant: COVESTRO LLC

Inventor： Brandon W. Parks ,  Rick L. Adkins ,  Anthony R. Loveday

IPC: C08G18/64 ,  C08G18/18 ,  C08G18/20 ,  C08G18/40 ,  C08G18/48 ,  C08J9/14

Abstract: Polyol blends are disclosed that include a saccharide-initiated polyether polyol, an aromatic polyester polyol, and a polyalkylene polyamine-initiated polyether polyol. Also disclosed are foam-forming compositions containing such polyol blends, rigid foams made using such polyurethane foam-forming compositions, and methods for producing such foams, including use of such foams as panel insulation.

公开(公告)号：US11407874B2

公开(公告)日：2022-08-09

申请号：US16594183

申请日：2019-10-07

Applicant: Covestro LLC

Inventor： Rick L. Adkins ,  Brandon W. Parks ,  Steve L. Aprahamian ,  Carson C. Miller ,  Emily E. Connor

IPC: C08J9/08 ,  C08G18/12 ,  C08G18/18 ,  C08G18/20 ,  C08G18/30 ,  C08G18/38 ,  C08G18/42 ,  C08G18/48 ,  C08G18/50 ,  C08G18/76 ,  C08J9/14

Abstract: Polyol premixes and thermally insulating rigid polyurethane foams, such as those that can be used as a thermal insulation medium in the construction of refrigerated storage devices, are disclosed. A polymer polyol having a OH number of greater than 260 mg KOH/g is utilized. The resulting polyurethane foams can exhibit improved thermal insulation properties without sacrificing other important physical and processing properties.

公开(公告)号：US20220235168A1

公开(公告)日：2022-07-28

申请号：US17155479

申请日：2021-01-22

Applicant: Covestro LLC

Inventor： Michelle L. Montgomery ,  Paul O. Barley ,  Brandon W. Parks

IPC: C08G18/08 ,  C08G18/18 ,  B29C44/34 ,  B29C44/58 ,  C08G18/48 ,  C08G18/38 ,  C08G18/50 ,  C08G18/24 ,  C08G18/76

Abstract: A process for making a molded flexible foam. The processes includes: (a) depositing a foam-forming reaction mixture onto a surface of a mold cavity, and (b) allowing the foam-forming reaction mixture to react in the mold cavity. The foam-forming reaction mixture includes: (1) a polyisocyanate present in an amount of less than 45% by weight, based on the total weight of the reaction mixture; (2) an isocyanate-reactive composition; (3) a blowing agent; and (4) a catalyst. The isocyanate-reactive composition includes: (i) at least 50% by weight, based on the total weight of polyol in the isocyanate-reactive composition, of a polyether polyol having a functionality of greater than 2, an oxyethylene content of 0 to 50% by weight, based on the total weight of the polyether polyol, more than 50 mol % of primary OH groups and an OH number of 8 to 112 mg KOH/g; and (ii) a component comprising: (A) an amine-initiated polyether polyol (II), wherein amine-initiated polyether polyol (II) has an OH number of at least 500 mg KOH/g and a functionality of 2.5 to 4, and wherein amine-initiated polyether polyol (II) is present in an amount of greater than 0 and no more than 10% by weight, based on the total weight of polyol in the isocyanate-reactive composition; (B) a CO2-producing carbamic acid which is present in an amount of greater than 0 and no more than 10% by weight, based on the total weight of polyol in the isocyanate-reactive composition; or (C) both (A) and (B).

公开(公告)号：US11339260B2

公开(公告)日：2022-05-24

申请号：US16528962

申请日：2019-08-01

Applicant: Covestro LLC

Inventor： Albert Magnotta ,  Brandon W. Parks ,  Ronald A. Cageao

IPC: C08J5/24 ,  C08G18/24 ,  C08G18/48 ,  C08G18/50 ,  C08G18/73 ,  B29C70/52 ,  C08G18/32 ,  C08G18/66 ,  C08G18/80 ,  C08J5/04 ,  C08G18/08

Abstract: Pultrusion processes for producing fiber reinforced polyurethane composites are described. The processes utilize a polyurethane-forming reaction mixture comprises a chelated organometallic/metalorganic catalyst. Polyurethane-forming reaction mixtures suitable for use in such processes are also described.

公开(公告)号：US20200283561A1

公开(公告)日：2020-09-10

申请号：US16296872

申请日：2019-03-08

Applicant: COVESTRO LLC

Inventor： Brandon W. Parks

IPC: C08G18/48 ,  C08G18/50 ,  C08G18/20 ,  C08G18/18

Abstract: Disclosed are HCFO-containing isocyanate-reactive compositions, foam-forming compositions containing such isocyanate-reactive compositions, rigid PUR-PIR foams made using such foam-forming compositions, and methods for producing such foams, including use of such foams as insulation in discontinuous foam panel applications. The isocyanate-reactive composition can exhibit a long shelf life, be shelf-stable, and produce a foam with good physical properties.

公开(公告)号：US11970565B2

公开(公告)日：2024-04-30

申请号：US18214598

申请日：2023-06-27

Applicant: Covestro LLC

Inventor： Michael H. Bell ,  Brandon W. Parks ,  Eric C. Giles

IPC: C08G18/40 ,  C08G18/20 ,  C08G18/76 ,  C08J9/08 ,  C08J9/12 ,  C08J9/14 ,  C08L67/03

CPC classification number: C08G18/4018 ,  C08G18/2081 ,  C08G18/7685 ,  C08J9/08 ,  C08J9/125 ,  C08J9/144 ,  C08L67/03 ,  C08J2375/06 ,  C08J2375/08

Abstract: HCFO-containing isocyanate-reactive compositions, foam-forming compositions containing such isocyanate-reactive compositions, rigid PUR-PIR foams made using such foam-forming compositions, and methods for producing such foams, including use of such foams as insulation in discontinuous foam panel applications. The isocyanate-reactive composition includes a polyol blend, a blowing agent composition, and a tertiary amine catalyst. The polyol blend includes: (1) an aromatic polyester polyol having a functionality of 1.5 to less than 2.5 and an OH number of 150 to 360 mg KOH/g; (2) an aromatic polyester polyol having a functionality of at least 2.5 and an OH number greater than 360 mg KOH/g, which is present in an amount of at least 10% by weight, based on the total weight of the aromatic polyester polyol in the polyol blend; and (3) an amine-initiated polyether polyol having an OH number of at least 500 mg KOH/g and a functionality of 2.5 to 4. The blowing agent composition includes a hydrochlorofluoroolefin and a carbon dioxide generating chemical blowing agent.

公开(公告)号：US11732081B2

公开(公告)日：2023-08-22

申请号：US17341898

申请日：2021-06-08

Applicant: Covestro LLC

Inventor： Michael H. Bell ,  Brandon W. Parks ,  Eric C. Giles

IPC: C08G18/40 ,  C08G18/20 ,  C08G18/76 ,  C08J9/08 ,  C08J9/12 ,  C08J9/14 ,  C08L67/03

CPC classification number: C08G18/4018 ,  C08G18/2081 ,  C08G18/7685 ,  C08J9/08 ,  C08J9/125 ,  C08J9/144 ,  C08L67/03 ,  C08J2375/06 ,  C08J2375/08

Abstract: HCFO-containing isocyanate-reactive compositions, foam-forming compositions containing such isocyanate-reactive compositions, rigid PUR-PIR foams made using such foam-forming compositions, and methods for producing such foams, including use of such foams as insulation in discontinuous foam panel applications. The isocyanate-reactive composition includes a polyol blend, a blowing agent composition, and a tertiary amine catalyst. The polyol blend includes: (1) an aromatic polyester polyol having a functionality of 1.5 to less than 2.5 and an OH number of 150 to 360 mg KOH/g; (2) an aromatic polyester polyol having a functionality of at least 2.5 and an OH number greater than 360 mg KOH/g, which is present in an amount of at least 10% by weight, based on the total weight of the aromatic polyester polyol in the polyol blend; and (3) an amine-initiated polyether polyol having an OH number of at least 500 mg KOH/g and a functionality of 2.5 to 4. The blowing agent composition includes a hydrochlorofluoroolefin and a carbon dioxide generating chemical blowing agent.

公开(公告)号：US20230183413A1

公开(公告)日：2023-06-15

申请号：US17546116

申请日：2021-12-09

Applicant: Covestro LLC

Inventor： Brandon W. Parks

IPC: C08G18/40 ,  C08G18/76 ,  C08J9/14 ,  C08J9/00 ,  C08J9/08

CPC classification number: C08G18/4018 ,  C08G18/7692 ,  C08J9/147 ,  C08J9/0095 ,  C08J9/08 ,  C08G2101/00

Abstract: Polyurethane foam-forming compositions, methods of producing polyurethane foams, polyurethane foams produced from such compositions made by such methods, as well as isocyanate-reactive compositions. The polyurethane foam-forming compositions include a polyol blend, a blowing agent composition, and a polyisocyanate. The polyol blend includes an aromatic amine-initiated polyether polyol, a saccharide-initiated polyether polyol, and an aromatic polyester polyol and has a content of —C2H4O— units of 3 to 6% by weight, based on the total weight of the polyurethane foam-forming composition. The blowing agent composition includes a hydrochlorofluoroolefin and a carbon dioxide-generating chemical blowing agent.