公开(公告)号：US20220325063A1

公开(公告)日：2022-10-13

申请号：US17607967

申请日：2020-04-29

Applicant: BASF SE

Inventor： Sebastian Alexander WEISSE ,  Zeljko TOMOVIC ,  Horst BAUMGARTL ,  Werner LENZ ,  Tobias Heinz STEINKE ,  Bernhard VATH ,  Iran OTERO MARTINEZ

IPC: C08J9/40 ,  B29C45/14

Abstract: Method for lowering the formaldehyde emissions of melamine/formaldehyde polymer moldings, films or fibers by impregnating the melamine/formaldehyde polymer moldings, films or fibers with an aqueous solution of at least one formaldehyde scavenger.

公开(公告)号：US20240270921A1

公开(公告)日：2024-08-15

申请号：US18569717

申请日：2022-06-07

Applicant: BASF SE

Inventor： Alexander KOENIG ,  Bernhard VATH ,  Kai Oliver SIEGENTHALER ,  Tobias Heinz STEINKE

IPC: C08J9/35 ,  C08J3/12 ,  C08J3/28 ,  C08J9/14 ,  C08J9/16 ,  C08J9/236 ,  C08J11/06

CPC classification number: C08J9/35 ,  C08J3/12 ,  C08J3/28 ,  C08J9/141 ,  C08J9/16 ,  C08J9/236 ,  C08J11/06 ,  C08J2203/14

Abstract: The present invention provides a process for producing a melamine resin foam comprising heating and foaming an aqueous mixture M using microwave radiation, said mixture M comprising melamine resin foam particles, at least one melamine-formaldehyde precondensate, at least one curative, at least one surfactant and at least one blowing agent as well as a process for recycling melamine resin foam scrap.

公开(公告)号：US20250122349A1

公开(公告)日：2025-04-17

申请号：US18695947

申请日：2022-09-28

Applicant: BASF SE

Inventor： Alexander KOENIG ,  Bernhard VATH

IPC: C08J9/00 ,  C08J9/14

Abstract: The present invention provides a melamine resin foam comprising at least one halogen-free flame retardant selected from phosphine oxide, phosphinate or phosphonate, a process for producing a melamine resin foam comprising heating and foaming an aqueous mixture M using microwave radiation, said mixture M comprising at least one melamine-formaldehyde precondensate, at least one halogen-free flame retardant, selected from phosphine oxide, phosphinate or phosphonate, at least one curative, at least one surfactant and at least one blowing agent as well as the use of the melamine resin foam for acoustic and/or thermal insulation.

公开(公告)号：US20230225312A1

公开(公告)日：2023-07-20

申请号：US17923242

申请日：2021-05-10

Applicant: BASF SE

Inventor： Sebastian Alexander WEISSE ,  Bernhard VATH ,  Tobias Heinz STEINKE ,  Robert D. OBER

IPC: A01N25/10 ,  A61L2/235 ,  C08J9/14 ,  C08J9/00 ,  A01N25/16 ,  A01N31/02 ,  A01N59/16 ,  B08B1/00

CPC classification number: A01N25/10 ,  A61L2/235 ,  C08J9/141 ,  C08J9/0066 ,  A01N25/16 ,  A01N31/02 ,  A01N59/16 ,  B08B1/001 ,  A61L2101/02

Abstract: A method for cleaning medical equipment by scrubbing the equipment with an open-cell melamine-formaldehyde foam comprising an antibacterial active composition, and wherein the open-cell melamine-formaldehyde foam is prepared from a melamine-formaldehyde precondensate, wherein the molar ratio melamine to formaldehyde of the melamine-formaldehyde precondensate is smaller than 0.5.

公开(公告)号：US20240101745A1

公开(公告)日：2024-03-28

申请号：US17769085

申请日：2020-10-13

Applicant: BASF SE

Inventor： Sebastian Alexander WEISSE ,  Werner LENZ ,  Bernhard VATH ,  Tobias Heinz STEINKE

IPC: C08G12/32 ,  C08J9/00 ,  C08J9/14 ,  C08J9/20

CPC classification number: C08G12/32 ,  C08J9/0023 ,  C08J9/0028 ,  C08J9/141 ,  C08J9/20 ,  C08G2101/00

Abstract: Melamine-formaldehyde foam with improved weather resistance comprising 0.1 to 8 wt.-% of at least one UV stabilizer, such as benzotriazole derivatives and piperidinol derivatives and further 1 to 3 wt.-% of at least one hydrophobicization agent, such as organo-modified siloxanes and silanes and processes for producing such melamine-formaldehyde foams with improved weather resistance.

公开(公告)号：US20200270415A1

公开(公告)日：2020-08-27

申请号：US16646643

申请日：2018-08-30

Applicant: BASF SE

Inventor： Sebastian Alexander WEISSE ,  Tobias Heinz STEINKE ,  Bernhard VATH ,  Werner LENZ

IPC: C08J9/40 ,  C08J9/00 ,  C08K9/06

Abstract: A melamine/formaldehyde foam having an open-cell foam structure, with an impregnation applied to the foam structure that comprises at least one particulate phyllosilicate surface-modified with aminosilane and at least one anionically- and/or nonionically-stabilized polyurethane dispersion.

公开(公告)号：US20190276623A1

公开(公告)日：2019-09-12

申请号：US16463014

申请日：2017-11-14

Applicant: BASF SE

Inventor： Johann Martin SZEIFERT ,  Bernhard VATH ,  Tobias Heinz STEINKE ,  Bettina WESTER ,  Cecile SCHNEIDER ,  Sebastian Alexander WEISSE ,  Peter WOLF ,  Werner LENZ ,  Axel KIRSTE ,  David John PUNG ,  Megan ROBERTS

IPC: C08J9/00 ,  C08G12/32 ,  C08J9/14

Abstract: A process for producing a melamine-formaldehyde foam by heating and foaming an aqueous mixture M using microwave radiation, said mixture M comprising at least one melamine-formal-dehyde precondensate, at least one curative, at least one surfactant, at least one blowing agent and at least one linear polymer with a number average molecular weight Mn in the range from 500 to 10.000 g/mol and at least two functional groups selected from OH, NH2 or COOH as well as a melamine-formaldehyde foam obtainable by this process and its use.