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1. 发明申请

WO2022240932A1 RHEOLOGY MODIFIED OLEFIN-BASED POLYMER COMPOSITION AND METHOD FOR MAKING IT 审中-公开
公开(公告)号：WO2022240932A1
公开(公告)日：2022-11-17
申请号：PCT/US2022/028687
申请日：2022-05-11
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： MUNRO, Jeffrey C. , BAWISKAR, Santosh S. , LI PI SHAN, Colin , WILLIAMSON, Alexander , KARJALA, Teresa P.
IPC分类号： C08J3/28 , C08J3/24 , C08J2323/08
摘要： A process to form a rheology modified composition, the process comprising applying radiation, and optionally heat, to a composition that comprises at least the following component: a) an olefin-based polymer comprising a total unsaturation ≥ 0.20 /1000C; and wherein the radiation is applied using an electron beam (e-beam) at a dosage selected from 0.1 MRad to 1.5 MRad; and wherein component a is selected from a telechelic polyolefin of the formula A1L1L2A2, an unsaturated polyolefin of the formula A1L1, or an ethylene/alpha-olefin interpolymer. A process to form a rheology modified composition, the process comprising applying heat, and optionally radiation, to a composition that comprises at least the following components: a) an olefin-based polymer, as described above, comprising a total unsaturation ≥ 0.20 /1000C; b) from 1.0 to 100 ppm of a peroxide, based on the weight of the composition.

2. 发明申请

WO2020263681A1 CONTROLLED LONG CHAIN BRANCHING IN EPDM BY POST-REACTOR MODIFICATION 审中-公开
公开(公告)号：WO2020263681A1
公开(公告)日：2020-12-30
申请号：PCT/US2020/038468
申请日：2020-06-18
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： BAWISKAR, Santosh S. , LI, Guang Ming , HUANG, Tianzi
IPC分类号： C08F210/18 , C08J3/28
摘要： The present disclosure provides a process. In an embodiment, the process includes providing a neat ethylene/propylene/non-conjugated polyene terpolymer (n-terpolymer) having a Mooney viscosity (ML (1 +4) at 125C) less than 100 Mooney units (MU). The process includes exposing the n-terpolymer to electron beam radiation at a dosage from 0.2 megaRad (MRad) to 1.3 MRad. The process includes forming a branched ethylene/propylene/non-conjugated polyene terpolymer (b-terpolymer) having a Mooney viscosity ML (1 +4) at 125C from 25 MU to 135 MU.

3. 发明申请

WO2018093673A1 TIE LAYER COMPOSITIONS AND MULTILAYER FILMS INCORPORATING SAME 审中-公开
公开(公告)号：WO2018093673A1
公开(公告)日：2018-05-24
申请号：PCT/US2017/061043
申请日：2017-11-10
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： HANSEN, Sydney E. , WALTHER, Brian W. , BROWN, Hayley A. , BAWISKAR, Santosh S.
IPC分类号： B32B7/12 , B32B25/08 , B32B25/14 , B32B27/08 , B32B27/18 , B32B27/30 , B32B27/32 , C08L23/06 , C08L23/08
摘要： Embodiments are directed to a tie layer composition comprising functionalized polyethylene, styrene block copolymer, base polyethylene, and antioxidant co-stabilizers, wherein the antioxidant co-stabilizers comprise at least one oxygen scavenger, at least one peroxy free radical scavenger, and at least one alkyl free radical scavenger. Further embodiments are directed to multilayer films or sheets which include the tie layer composition.

4. 发明申请

WO2023049485A1 THERMOPLASTIC POLYOLEFIN COMPOSITION WITH REACTIVE COMPATIBILIZATION 审中-公开
公开(公告)号：WO2023049485A1
公开(公告)日：2023-03-30
申请号：PCT/US2022/044816
申请日：2022-09-27
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： MUNRO, Jeffrey C. , ALLEN, Mark P. , BAWISKAR, Santosh S.
IPC分类号： C08L23/12 , C08L23/14 , C08L51/06 , C08F210/16
摘要： The present disclosure provides a composition. In an embodiment, the composition includes (A) a nonfunctionalized propylene-based polymer, (B) a functionalized propylene-based polymer, and (C) a functionalized ethylene-based polymer. The functionalized propylene-based polymer (B) and the functionalized ethylene-based polymer (C) each have a different functional group, the functional group selected from the group consisting of an anhydride and an amine.

5. 发明申请

WO2022178344A1 MODIFIED LOW DENSITY POLYETHYLENE RESINS AND METHOD FOR MAKING THE SAME 审中-公开
公开(公告)号：WO2022178344A1
公开(公告)日：2022-08-25
申请号：PCT/US2022/017133
申请日：2022-02-21
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： DONG, Yifan Y. , BAWISKAR, Santosh S. , KARJALA, Teresa P. , JAIN, Pradeep , KARDOS, Lori L. , BISCOGLIO, Michael B. , O'BRIEN, John P. , BAUGH III, Daniel W.
IPC分类号： C08L23/16
摘要： Irradiation of low-density polyethylene resins with an electron beam produces modified polyethylene resins that have significantly improved melt strength and retain useful melt-index and have few cross-linked gels, if the starting LDPE resin and the level of irradiation are properly selected.

6. 发明申请

WO2022115378A1 POLYMER BLENDS HAVING INCREASED TEMPERATURE RESISTANCE 审中-公开
公开(公告)号：WO2022115378A1
公开(公告)日：2022-06-02
申请号：PCT/US2021/060333
申请日：2021-11-22
申请人： DOW GLOBAL TECHNOLOGIES LLC.
发明人： BAWISKAR, Santosh S. , DE GARAVILLA, James R. , HUANG, Jessica Ye , PARADKAR, Rajesh P. , PREJEAN, George , SEHANOBISH, Kalyan , MORRIS, Barry A.
IPC分类号： C08L23/08 , C08L51/06 , C08F8/42
摘要： Embodiments of polymer blends may include a first polymer composition and a second polymer composition. The first polymer composition may include a polyolefin having a thermal transition temperature of at least 100° C and a graftable monomer having at least one acid or anhydride functional group grafted onto the polyolefin. The second polymer composition may include an E/X/Y ethylene interpolymer, wherein E is an ethylene monomer and comprises greater than 50 wt.% of the interpolymer, X is an α,β-unsaturated C3-C8 carboxylic acid and comprises greater than 0 to 25 wt.% of the interpolymer, and Y is an optional comonomer comprising C1-C8 alkyl acrylate.

7. 发明申请

WO2020046936A1 APPARATUS AND METHOD FOR GRANULATING LOW VISCOSITY MATERIALS 审中-公开
公开(公告)号：WO2020046936A1
公开(公告)日：2020-03-05
申请号：PCT/US2019/048344
申请日：2019-08-27
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： BAWISKAR, Santosh S. , ZOGG JR., Michael J. , LI, Guang Ming , JIN, Yi , SCHILHAB, Lonnie
IPC分类号： B29B9/10 , B01J2/26 , C08F2/01 , C08F10/06
摘要： An apparatus to batch or continuously form solid polymer particles, the apparatus comprising the following components: A) at least one pastillation unit comprising a pastillation head, said unit used to form discrete molten polymer particles from a polymer melt; B) a moving belt to receive and transfer the discrete molten polymer particles from the pastillation head; C) a means to transfer water onto the moving belt, such that the water comes into contact with the discrete molten polymer particles on the moving belt to form the solid polymer particles; and wherein the water of component C is sprayed onto the discrete molten polymer particles, such that the ratio of "the rate of water spray" to "the discharge rate" is ≥ 3.0; and wherein the belt residence time is ≤ 50 seconds.

8. 发明申请

WO2019196051A1 FUNCTIONALIZED ETHYLENE/ALPHA-OLEFIN INTERPOLYMERS WITH HIGH GRAFT LEVELS 审中-公开
公开(公告)号：WO2019196051A1
公开(公告)日：2019-10-17
申请号：PCT/CN2018/082781
申请日：2018-04-12
申请人： DOW GLOBAL TECHNOLOGIES LLC , MA, Wanfu , BAWISKAR, Santosh S. , JIN, Yi , ZHANG-WATSON, Ling , MCLENNAGHAN, Allan Walter , HENSCHKE, Olaf
发明人： MA, Wanfu , BAWISKAR, Santosh S. , JIN, Yi , ZHANG-WATSON, Ling , MCLENNAGHAN, Allan Walter , HENSCHKE, Olaf
IPC分类号： C08F8/00 , C08L51/00 , C08F255/00
摘要： A composition comprising an acid and/or anhydride grafted ethylene/alpha-olefin interpolymer that comprises the following properties: A) number of grafts per polymer chain ≥ 1.80, and B) melt viscosity (at 177℃) ≤ 50,000 mPa.s.

9. 发明申请

WO2019183871A1 RESINS FOR USE AS TIE LAYER IN MULTILAYER STRUCTURE AND MULTILAYER STRUCTURES COMPRISING THE SAME 审中-公开
公开(公告)号：WO2019183871A1
公开(公告)日：2019-10-03
申请号：PCT/CN2018/081027
申请日：2018-03-29
申请人： DOW GLOBAL TECHNOLOGIES LLC , ZHENG, Yong , BAWISKAR, Santosh S. , WALTHER, Brian , BISCOGLIO, Michael B. , LIU, Andong
发明人： ZHENG, Yong , BAWISKAR, Santosh S. , WALTHER, Brian , BISCOGLIO, Michael B. , LIU, Andong
IPC分类号： C08L23/06 , C08L23/04 , C08L23/08 , C08L51/06 , B32B27/36 , B32B27/32 , B32B27/30 , C08K5/42
摘要： The disclosure relates to a tie resin formulation for use as a tie layer in a multilayer structure. The resin includes a first polyolefin grafted with an ethylenically unsaturated carboxylic acid, an ethylenically unsaturated acid derivative or a combination thereof, and having a density of 0.857 to 0.885 g/cm 3 , and 0.001 to 0.20 weight percent (wt.%) of a catalyst comprising at least one Lewis acid, where the resin includes the catalyst and up to 99.999 wt. % of the first polyolefin, where the wt. % is based on a total weight of the resin.

10. 发明申请

WO2018071507A1 METHOD TO PRODUCE FUNCTIONALIZED ETHYLENE-BASED POLYMERS 审中-公开
标题翻译：生产功能化乙烯基聚合物的方法
公开(公告)号：WO2018071507A1
公开(公告)日：2018-04-19
申请号：PCT/US2017/056090
申请日：2017-10-11
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： BAWISKAR, Santosh S. , JOHNSON, Gregory E.
IPC分类号： B29B9/06 , C08F255/02
摘要： A process to form a "functionalized ethylene-based polymer" from a first composition comprising an ethylene-based polymer and at least one polar compound, and at least one peroxide, said process comprising at least the following: a) thermally treating the first composition, in at least one extruder comprising at least one barrel, to form the functionalized ethylene-based polymer; b) extruding the functionalized ethylene-based polymer, in melt form, to form an extrudate; c) cooling the extrudate; and d) pelletizing the extrudate; and wherein the "efficiency of the peroxide consumption, after the thermal treatment, is ≥ 91 wt% within the at least one extruder; and wherein the "normalized feed rate" at which the process is run is ≥ 0.0018 (lbs/hr)/(mm) 3 ; and wherein, for step c), after the extrudate exits the extruder, and before the extrudate is pelletized, the extrudate is cooled in a cooling medium to a pelletization temperature, T pel in °C), ≤the crystallization temperature T c (in °C) of the functionalized ethylene-based polymer.
摘要翻译：形成“官能化的基于乙烯的聚合物”的方法包括：由包含基于乙烯的聚合物和至少一种极性化合物的第一组合物和至少一种过氧化物组成，所述方法至少包括以下步骤：a）在至少一个包含至少一个桶的挤出机中热处理第一组合物，形成官能化的基于乙烯的聚合物; b）以熔融形式挤出官能化的基于乙烯的聚合物以形成挤出物; c）冷却挤出物; 和d）将挤出物造粒; 并且其中在所述热处理之后，所述过氧化物消耗的效率在所述至少一个挤出机内≥91wt％并且其中“归一化进料速率” 在此过程运行≥0.0018（磅/小时）/（毫米）<3>; 并且其中对于步骤c），在挤出物离开挤出机之后并且在将挤出物造粒之前，将挤出物在冷却介质中冷却至成粒温度，T in℃， ≤官能化乙烯基聚合物的结晶温度T℃（℃）。

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