公开(公告)号：US20220251338A1

公开(公告)日：2022-08-11

申请号：US17626215

申请日：2020-08-18

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael H. Mitchell ,  Benjamin J. Anderson ,  Gregg D. Dahlke ,  Tatsuo Fukushi

IPC: C08K5/372 ,  C08K5/3477 ,  C08K5/29 ,  C08K5/14 ,  C08K5/06 ,  C08F214/26

Abstract: Described herein are fluoropolymer compositions comprising a compound of Formula (I) wherein X1 is selected from O or S; L is a divalent linking group comprising at least one aromatic ring; O and X2 comprises a carbon-carbon double bond. In one embodiment, the phthalonitrile-containing compound is added to a composition comprising (i) a fluorinated elastomeric gum, wherein the fluorinated elastomeric gum comprises a fluoropolymer having a cure-site and (ii) a peroxide curing system.

公开(公告)号：US20210061983A1

公开(公告)日：2021-03-04

申请号：US16958038

申请日：2018-12-20

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael H. Mitchell ,  Miguel A. Guerra ,  Jimmie R. Baran, Jr.

IPC: C08L27/18 ,  C08L27/16 ,  C08L27/20 ,  C08L53/00 ,  C08K3/04 ,  C08K3/36 ,  C08K5/14 ,  C08K5/3492 ,  C08K9/06

Abstract: Curable compositions that include at least one fluorinated elastomeric gum; and nanoparticles functionalized with at least one compound according to formula (I): X—(CF2)n—(O)p—(CH2)m—Si—Y3 w X is Br, I, CF2═CF—O—, CH2═CHCH2—O—, CH2═CHCH2—, or CH2═CH—, n is an integer from 2 to 8, m is an integer from 2 to 5, p is 0 or 1, and Y is Cl— or —OR, where R is a linear or branched alkyl having 1 to 4 carbon atoms. In some embodiments, Y is —O(CH2)xCH3, where x is an integer from 0 to 3.

公开(公告)号：US20230026338A1

公开(公告)日：2023-01-26

申请号：US17783710

申请日：2020-12-17

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael H. Mitchell ,  Tatsuo Fukushi

IPC: C08K5/14 ,  C08K5/00

Abstract: The composition includes an amorphous fluoropolymer having at least one of bromo- or iodo-cure sites, benzoyl peroxide, and a crosslinker comprising more than one carbon-carbon double bond. Benzoyl peroxide is present in an amount of three to four parts per hundred parts of fluoropolymer in the composition, and the benzoyl peroxide is present in an amount greater than or equal to that of the crosslinker. An article made from the composition and a method of making a fluoroelastomer are also disclosed.

公开(公告)号：US11492457B2

公开(公告)日：2022-11-08

申请号：US17601779

申请日：2020-05-18

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael H. Mitchell ,  Benjamin J. Anderson ,  Gregg D. Dahlke ,  Tatsuo Fukushi

IPC: C08K5/00 ,  C08K5/315 ,  C08K5/372 ,  C08K5/46 ,  C08K5/14 ,  C08K5/3492 ,  C08K5/18 ,  C08L27/16 ,  C08L27/18

Abstract: Described herein are fluoropolymer compositions comprising a compound of Formula I wherein X1 is selected from O or S; L is a divalent linking group comprising at least one aromatic ring; and X2 is selected from the group consisting of a hydroxyl group, an amino group, a thiol group, and a nitrile group. In one embodiment, the phthalonitrile-containing compound is used to crosslink a dehydrohalogenated polymer, and optionally with a polyhydroxy curative. In another embodiment, the phthalonitrile-containing compound is added to a composition comprising (i) a fluorinated elastomeric gum, wherein the fluorinated elastomeric gum comprises a fluoropolymer having a cure-site and (ii) a peroxide curing system.

公开(公告)号：US20210253608A1

公开(公告)日：2021-08-19

申请号：US17274660

申请日：2018-12-20

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael H. Mitchell ,  Miguel A. Guerra ,  Tho Q. Nguyen

IPC: C07F7/18 ,  C07F7/12

Abstract: Functional, partially-fluorinated silane compound according to Formula (I): wherein: X is CH2=CH— or CHCH2—; R1 and R2 are linear or branched alkylenes having 1 to 4 carbon atoms; Rf is a perfluoro(alkylene) group having 1 to 8 carbon atoms and, optionally, at least one catenary heteroatom selected from the group consisting of O and N; c is equal to the number of carbon atoms in X; and Y is —Cl or —OR, wherein R is a linear or branched alkyl having 1 to 4 carbon atoms. In some embodiments, Y is —O(CH2)xCH3 wherein x is an integer from 0 to 3 are described. Methods of making and using such functional, partially-fluorinated silane compounds are also described

公开(公告)号：US10590224B2

公开(公告)日：2020-03-17

申请号：US15742202

申请日：2016-07-11

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael H. Mitchell ,  Denis Duchesne ,  Tatsuo Fukushi ,  Werner M. A. Grootaert ,  Larry A. Last ,  Peter J. Scott ,  Karl D. Weilandt

IPC: C08F299/02 ,  C08F293/00 ,  C08F16/24 ,  C08F214/22 ,  C08F214/26 ,  C08F214/28 ,  C08K5/14

Abstract: Described herein is a millable fluorinated block copolymer having at least one A block and at least one B block, wherein the A block is a semi-crystalline segment comprising repeating divalent monomeric units derived from TFE, HFP and VDF; and the B block is a segment comprising repeating dilvalent monomeric units derived from HFP and VDF; and wherein the millable fluorinated block copolymer has a modulus of 0.1 to 2.5 MPa at 100° C.

公开(公告)号：US20190352444A1

公开(公告)日：2019-11-21

申请号：US16477006

申请日：2018-01-12

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael H. Mitchell ,  Denis Duchesne ,  Tatsuo Fukushi ,  Larry A. Last ,  Peter J. Scott ,  Karl D. Weilandt

IPC: C08F293/00

Abstract: There is provided a curable composition comprising a fluorinated block copolymer having (a) at least one A block, wherein the A block is a semi-crystalline segment comprising repeating divalent monomeric units derived from at least a fluorinated monomer; and (b) at least one B block, wherein the B block is a segment comprising repeating divalent monomeric units that comprises at least a fluorinated monomer and a nitrile-containing cure-site monomer.

公开(公告)号：US12084561B2

公开(公告)日：2024-09-10

申请号：US17296564

申请日：2019-12-04

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Michael H. Mitchell ,  Benjamin J. Anderson ,  Gregg D. Dahlke ,  Tatsuo Fukushi

IPC: C08K5/315 ,  C08F214/18 ,  C08F214/22 ,  C08F214/28 ,  C08J5/18 ,  C09K3/10

CPC classification number: C08K5/315 ,  C08F214/184 ,  C08F214/22 ,  C08F214/28 ,  C08J5/18 ,  C09K3/1009 ,  C08F2800/20 ,  C08J2327/16 ,  C08J2327/20 ,  C09K2200/0637

Abstract: Described herein are fluoropolymer compositions comprising a bis phthalonitrile-containing compound. In one embodiment, the bis phthalonitrile-containing compound is used to crosslink a dehydrohalogenated polymer, and optionally with a polyhydroxy curative. In another embodiment, the bis phthalonitrile-containing compound is added to a composition comprising (i) a fluorinated elastomeric gum, wherein the fluorinated elastomeric gum comprises a fluoropolymer having a cure-site and (ii) a peroxide curing system.

公开(公告)号：US20240132643A1

公开(公告)日：2024-04-25

申请号：US18546103

申请日：2022-02-23

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Tatsuo Fukushi ,  Miguel A. Guerra ,  Klaus Hintzer ,  Joshua E. Malinsky ,  Michael H. Mitchell ,  Justin T. Roop ,  Steffen Vowinkel

IPC: C08F214/26 ,  C08L27/18

CPC classification number: C08F214/262 ,  C08L27/18

Abstract: The process includes providing an aqueous mixture including perfluorinated monomers, a fluoroalkyl sulfinic acid or salt thereof, and an oxidizing agent capable of oxidizing the fluoroalkyl sulfinic acid or salt thereof and polymerizing the perfluorinated Nmonomers under free radical conditions to provide an aqueous dispersion of the fluoropolymer. The fluoroalkyl group has from one to three carbon atoms. The amount of perfluorooctanoic acid or salt thereof in the aqueous dispersion of the fluoropolymer as polymerized is not more than 25 nanograms per gram of the fluoropolymer. A fluoropolymer made by the process is also described.

公开(公告)号：US20220227718A1

公开(公告)日：2022-07-21

申请号：US17615127

申请日：2020-06-22

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Miguel A. Guerra ,  Tatsuo Fukushi ,  Michael H. Mitchell ,  Zai-Ming Qiu

IPC: C07D251/24

Abstract: Described herein are compounds according to Formula (I) wherein each Rf is independently selected from a perfluorinated divalent group comprising 2 to 12 carbon atoms; and m is an integer independently selected from 1 to 3. A method of making the compound from a hydroxy-containing vinyl ether and excess ammonia is disclosed. In one embodiment, the hydroxy-functionalized triazine compound is used in a curable fluoropolymer composition and cured to form articles.