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公开(公告)号:US20240384032A1
公开(公告)日:2024-11-21
申请号:US18691907
申请日:2022-09-06
Applicant: BASF SE
Inventor: Rolf MINKWITZ , Afsaneh NABIFAR , Paul NEUMANN , Florian RICHTER , Alexander PANCHENKO
Abstract: The present invention relates to a copolyamide (CoPA) produced by polymerizing a lactam (A) and a monomer mixture (M), where the monomer mixture (M) comprises 1,5-diamino-3-oxapentane. The present invention further relates to a polymer film comprising the at least one copolyamide (CoPA), to a process for producing the polymer film, and to the use of the polymer film (P) as a packaging film.
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公开(公告)号:US20190040216A1
公开(公告)日:2019-02-07
申请号:US16075388
申请日:2017-01-31
Applicant: BASF SE
Inventor: Johannes Klaus SPRAFKE , Rolf MINKWITZ , Walter GOETZ
Abstract: The present invention relates to a polymer film (P) containing a polyamide composition (PC) that comprises an amorphous polyamide (A) and a semicrystalline polyamide (B) and to a method for producing the polymer film (P). The present invention further relates to a method for packaging food products with the polymer film (P).
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公开(公告)号:US20200047397A1
公开(公告)日:2020-02-13
申请号:US16342736
申请日:2017-10-24
Applicant: BASF SE
Inventor: Rolf MINKWITZ , Silke BIEDASEK , Rony KNIERIM , Frank HERBOTH
Abstract: The present invention relates to a process for producing a polymer film (P) comprising a polyamide composition (PC) by extruding the polyamide composition (PC) through an annular die and then stretching the tube thus obtained by blowing in air. The present invention further relates to the polymer film (P) obtainable by the process of the invention and to a process for packaging foodstuffs with the polymer film (P).
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公开(公告)号:US20190269075A1
公开(公告)日:2019-09-05
申请号:US16332986
申请日:2017-09-05
Applicant: BASF SE
Inventor: Rolf MINKWITZ , Frank REIL , Martina SCHOEMER , Johannes Klaus SPRAFKE
Abstract: The present invention relates to an agricultural film (AF) comprising at least one copolyamide, wherein the copolyamide has been prepared by polymerizing at least one lactam and a monomer mixture (M). The present invention further relates to a process for producing the agricultural film (AF) and to the use of the agricultural film (AF) as mulch film, as silage film, as greenhouse film or as silo film.
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公开(公告)号:US20190224902A1
公开(公告)日:2019-07-25
申请号:US16333105
申请日:2017-09-05
Applicant: BASF SE
Inventor: Walter GOETZ , Rolf MINKWITZ , Rolf-Egbert GRUETZNER , Florian RICHTER
Abstract: The present invention relates to a process for producing a polymer film (P) comprising at least one copolyamide by extrusion of the copolyamide through a ring die and subsequent stretching of the tube thus obtained by blowing in air. The present invention further relates to the polymer film (P) obtainable by the process of the invention and to a process for packing foods.
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公开(公告)号:US20240389606A1
公开(公告)日:2024-11-28
申请号:US18691939
申请日:2022-09-06
Applicant: BASF SE
Inventor: Rolf MINKWITZ , Florian RICHTER
IPC: A22C13/00
Abstract: The present invention relates to a tubular casing (S) for food produced by polymerizing a lactam (A) and a monomer mixture (M), where the monomer mixture (M) comprises 1,5-diamino-3-oxapentane. The present invention further relates to the use of the tubular casing as a packaging casing, particularly a sausage casing.
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7.
公开(公告)号:US20190194392A1
公开(公告)日:2019-06-27
申请号:US16331415
申请日:2017-09-05
Applicant: BASF SE
Inventor: Rolf MINKWITZ , Andreas Thomas HAEDLER
CPC classification number: C08G69/265 , B29C48/022 , B29C48/08 , B29K2077/00 , B32B27/08 , B32B27/34 , C08G69/14 , C08G69/26 , C08G69/28 , C08G69/34 , C08G69/36 , C08J5/18 , C08J2377/06
Abstract: The present invention relates to a polymer film (P) contacting at least one copolyamide. The copolyamide is prepared by polymerizing a first monomer mixture (M1), containing at least one C4-C12 dicarboxylic acid and at least one C4-C12 diamine, and a second monomer mixture (M2) containing at least one C32-C40 dimer acid and at least one C4-C12 diamine. The present invention further relates to a process for producing the polymer film (P) and to the use of the polymer film (P) for high-temperature applications.
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公开(公告)号:US20240376265A1
公开(公告)日:2024-11-14
申请号:US18691912
申请日:2022-09-06
Applicant: BASF SE
Inventor: Rolf MINKWITZ , Florian RICHTER
Abstract: The present invention relates to a copolyamide (CoPA) produced by polymerizing a first monomer mixture (M1) and a second monomer mixture (M2), where the second monomer mixture (M2) comprises 1,5-diamino-3-oxapentane. The present invention further relates to polymer film comprising the at least one copolyamide (CoPA) and to a process for producing the polymer film.
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9.
公开(公告)号:US20230407007A1
公开(公告)日:2023-12-21
申请号:US18038037
申请日:2021-11-15
Applicant: BASF SE
Inventor: Rolf MINKWITZ , Silke BIEDASEK , Thomas KONSCHOLKA , Cesar G. ORTIZ
CPC classification number: C08G69/16 , C08J5/18 , C08J2377/02
Abstract: A process for continuously preparing copolyamides by copolymerizing at least one lactam (A) and monomers (M), comprising the steps of a) mixing at least one lactam (A) with monomers (M) at a temperature of 60 to 150° C. and b) passing the mixture obtained in step a) from the top downward through a vertical polymerization tube at polyamide-forming temperatures to obtain a copolyamide, wherein the monomers (M) comprise at least one C32-C40 dimer acid (B1) and at least one C4-C12 diamine (B2) and optionally at least one C4-C20 diacid (B3).
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公开(公告)号:US20210032405A1
公开(公告)日:2021-02-04
申请号:US16980241
申请日:2019-03-06
Applicant: BASF SE
Inventor: Eric S NOON , Joao COSTA , Patrick Stephen GALE , Michael Daniel DOYLE , Rolf MINKWITZ
IPC: C08G69/36 , B32B27/34 , B32B15/088 , B32B15/09 , B32B15/20 , B32B27/32 , B32B7/12 , B65D65/40 , C09D177/08 , C08K3/08
Abstract: A laminated multilayer polymer containing film (P) comprises at least one layer comprising at least one copolyamide wherein the copolyamide is prepared by polymerizing the following components: (A) 15% to 84% by weight of at least one lactam, (B) 16% to 85% by weight of a monomer mixture (M) comprising the following components: (B1) at least one C32-C40 dimer acid and (B2) at least one C4-C12 diamine, where the percentages by weight of components (A) and (B) are each based on the sum total of the percentages by weight of components (A) and (B) and wherein the laminated multilayer polymer containing film (P) comprises at least one further layer, where the at least one further layer is selected from the group consisting of (i) at least one further polymer (FP) selected from the group consisting of polyolefins, poly(ethylene-vinyl alcohols), poly(ethylene-vinyl acetates), polyethylene terephthalates, polyvinylidene chlorides, maleic anhydride-grafted polyolefins, polyesters and ionomers and (ii) aluminum metal and/or tin metal.
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