公开(公告)号：US11680159B2

公开(公告)日：2023-06-20

申请号：US17022290

申请日：2020-09-16

申请人： DDP SPECIALTY ELECTRONIC MATERIALS US, LLC

发明人： Wenyi Huang ,  Mark Alan Barger ,  Gary D. Parsons ,  Ioannis V. Bletsos

IPC分类号： C08L23/16 ,  C08F210/16 ,  C08L23/12 ,  C08L53/00 ,  B29D7/01 ,  B29D99/00 ,  B29C55/00 ,  B29C55/04 ,  B29L31/00 ,  B29K23/00

CPC分类号： C08L23/16 ,  B29C55/005 ,  B29C55/04 ,  B29D7/01 ,  B29D99/005 ,  C08L23/12 ,  C08L53/00 ,  B29K2023/12 ,  B29K2023/16 ,  B29L2031/712 ,  C08F210/16 ,  C08L2203/02 ,  C08L2203/162 ,  C08L2203/30

摘要： Microporous polymer films and methods of making same are disclosed. The microporous polymer film comprises: one or more polypropylene copolymer, said polypropylene copolymer comprising one or more polypropylene homopolymer chain segments and one or more ethylene-containing copolymer chain segments; wherein the microporous polymer film comprises: (i) polypropylene homopolymer chain segments in total amount of from 50-82 wt. %, based on the weight of the microporous polymer film; (ii) one or more ethylene-containing copolymer chain segments in total amount of from 18-50 wt. %, based on the weight of the microporous polymer film, wherein at least a portion of the ethylene-containing copolymer chain segments comprises polymerized units of ethylene in an amount of at least 45 wt. %, based on the weight of the ethylene-containing copolymer chain segments.

公开(公告)号：US11674026B2

公开(公告)日：2023-06-13

申请号：US17205438

申请日：2021-03-18

申请人： DDP SPECIALTY ELECTRONIC MATERIALS US, LLC

发明人： Wenyi Huang ,  William Ripmeester

IPC分类号： C08L23/12 ,  C08L23/16 ,  C08J5/18

CPC分类号： C08L23/12 ,  C08J5/18 ,  C08L23/16 ,  C08J2323/12 ,  C08J2323/16 ,  C08J2423/12 ,  C08J2423/16 ,  C08L2203/162

摘要： Microporous polymer films and methods of making same are disclosed. The microporous polymer film comprises:



(a) 50 to 95 weight percent of polypropylene copolymer comprising (i) polypropylene homopolymer chain segments in total amount of from 50-82 wt. %, and (ii) ethylene-containing copolymer chain segments in total amount of from 18-50 wt. %; wherein at least a portion of the ethylene-containing copolymer chain segments comprise polymerized units of ethylene in an amount of at least 45 wt. % of the ethylene-containing copolymer chain segments; and
(b) 5 to 50 weight percent of ethylene-propylene elastomer, wherein at least 45 weight percent of the polymerized units in the ethylene-propylene elastomer are units of ethylene.

公开(公告)号：US20220111617A1

公开(公告)日：2022-04-14

申请号：US17478266

申请日：2021-09-17

申请人： DDP SPECIALTY ELECTRONIC MATERIALS US, LLC

发明人： Wenyi Huang ,  Ernest Herst ,  Mark Beach

IPC分类号： B32B7/12 ,  B32B15/01

摘要： A composite panel comprises first and second metallic sheets each having an inner and outer surface, a silicone-based primer coating on the inner surface of the first and second metallic sheets and an organosilicon adhesive contacting the primer coating on both the first and second metallic sheets, wherein the adhesive has a gross heat of combustion (Q-PCS) of no greater than 1.4 MJ/m2. The panel is compliant with specification EN 13501-6:2018, classification A1.

公开(公告)号：US11939445B2

公开(公告)日：2024-03-26

申请号：US17516016

申请日：2021-11-01

申请人： DDP SPECIALTY ELECTRONIC MATERIALS US, LLC

发明人： Wenyi Huang ,  Shari Kram ,  Mark Rickard ,  Ravi B Shankar

IPC分类号： C08J3/22 ,  C08J3/20 ,  C08J9/00 ,  C08J9/12 ,  C08J9/14 ,  C08L25/06

CPC分类号： C08J9/0061 ,  C08J3/201 ,  C08J3/226 ,  C08J9/0095 ,  C08J9/122 ,  C08J9/125 ,  C08J9/146 ,  C08L25/06 ,  C08J2201/03 ,  C08J2203/06 ,  C08J2203/10 ,  C08J2203/142 ,  C08J2363/04 ,  C08J2425/06 ,  C08L2201/02 ,  C08L2203/14

摘要： A masterbatch composition suitable for use as a flame retardant in extruded polymer foams, and process for manufacturing the same, and extruded foams containing same; the composition comprising: (a) 20 to 40 parts by weight base resin comprising styrene homopolymer or copolymer; (b) 1 to 16 parts by weight acid scavenger comprising an epoxy-based compound; (c) 2 to 6 parts by weight antioxidant comprising an alkyl or aryl phosphite; and (d) 45 to 60 parts by weight flame retardant comprising a non-hexabromocyclododecane (HBCD) brominated polymer or copolymer, wherein the amounts of (a), (b), (c), and (d) total 100 parts by weight; and (e) 0.6 to 10 parts by weight of pH moderator, based on 100 parts of (a) base resin plus (e) water soluble pH moderator.

公开(公告)号：US11752732B2

公开(公告)日：2023-09-12

申请号：US17478266

申请日：2021-09-17

申请人： DDP SPECIALTY ELECTRONIC MATERIALS US, LLC

发明人： Wenyi Huang ,  Ernest Herst ,  Mark Beach

IPC分类号： B32B7/12 ,  B32B15/01

CPC分类号： B32B7/12 ,  B32B15/016 ,  B32B2250/02 ,  B32B2255/06 ,  B32B2255/26 ,  B32B2607/00

摘要： A composite panel comprises first and second metallic sheets each having an inner and outer surface, a silicone-based primer coating on the inner surface of the first and second metallic sheets and an organosilicon adhesive contacting the primer coating on both the first and second metallic sheets, wherein the adhesive has a gross heat of combustion (Q-PCS) of no greater than 1.4 MJ/m2. The panel is compliant with specification EN 13501-6:2018, classification A1.

公开(公告)号：US11525045B2

公开(公告)日：2022-12-13

申请号：US16832559

申请日：2020-03-27

申请人： DDP Specialty Electronic Materials US, LLC.

发明人： Michal Elizabeth Porter ,  Mark Alan Barger ,  Yiyong He ,  Stéphane Costeux ,  Gerald F Billovits ,  Wenyi Huang ,  Edoardo Nicoli

IPC分类号： C08G63/64 ,  C08J9/14 ,  C08G63/672

摘要： Chemically modified polyesters, foamable compositions thereof that form low density foams, and methods of making the foamable compositions and foams are disclosed. The compositions comprise an amorphous copolyester, or amorphous co-polyesterpolycarbonate or amorphous co-polyesterpolyether or combination thereof. Additionally, uses for the low density foams are disclosed.