[특허]Polymer compositions and methods of making and using same

[미국특허] Polymer compositions and methods of making and using same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C08F-210/16 C08F-010/14 F16L-009/127 F16L-009/12 C08F-004/659 C08F-004/6592
출원번호	US-0051173 (2016-02-23)
등록번호	US-9637573 (2017-05-02)
발명자 / 주소	Hlavinka, Mark L. Yang, Qing Beaulieu, William B. Deslauriers, Paul J.
출원인 / 주소	Chevron Phillips Chemical Company LP
대리인 / 주소	Conley Rose, P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 238

초록 ▼

A polymer reactor-blend comprising at least a first component having a polydispersity index of greater than about 20 and is present in an amount of from about 1 wt. % to about 99 wt. % based on the total weight of the polymer and a second component having a polydispersity index of less than about 20 and is present in an amount of from about 1 wt. % to about 99 wt. % based on the total weight of the polymer wherein a molecular weight distribution of the second component lies within a molecular weight distribution of the first component.

대표청구항 ▼

1. An extruded polymer reactor-blend having a density of greater than about 0.95 g/ml and a tensile natural draw ratio of from about 540% to about 600% wherein the reactor-blend comprises at least a first component and a second component and wherein one of the components has a molecular weight distribution of greater than about 20. 2. The blend of claim 1 having a tensile natural draw ratio of less than about 580%. 3. The blend of claim 1 wherein the polymer comprises ethylene and a comonomer. 4. The blend of claim 1 wherein the comonomer comprises 1-butene, 1-hexene, 1-octene, or combinations thereof. 5. The blend of claim 1 having a weight average molecular weight of from about 50 kg/mol to about 1000 kg/mol. 6. The blend of claim 1 having a polydispersity index of greater than about 15. 7. The blend of claim 1 wherein the reactor blend was prepared using a catalyst system comprising at least one imine (bis)phenolate transition metal complex and a chemically treated solid oxide. 8. A pipe fabricated from the blend of claim 1 having a PE-100 designation or greater. 9. An extruded polymer reactor-blend having a density of equal to or less than about 0.95 g/ml and a PENT failure time of greater than about 800 h determined in accordance with ASTM F1473 using a 3.8 MPa stress wherein the polyethylene reactor-blend was prepared using a catalyst system comprising at least one imine (bis)phenolate transition metal complex, wherein the reactor-blend comprises at least a first component and a second component and wherein one of the components has a molecular weight distribution of greater than about 20. 10. The blend of claim 9 having a PENT failure time of greater than about 1500 h determined in accordance with ASTM F1473 using a 3.8 MPa stress. 11. The blend of claim 9 wherein the polymer comprises ethylene and a comonomer. 12. A polyethylene reactor-blend having a density of equal to or less than about 0.95 g/ml and a tensile natural draw ratio of from about 540% to about 600% wherein the polyethylene reactor-blend was prepared using a catalyst system comprising at least one imine (bis)phenolate transition metal complex, wherein the reactor-blend comp rises at least a first component and a second component and wherein one of the components has a molecular weight distribution of greater than about 20. 13. The blend of claim 12 wherein the transition metal comprises Ti, Zr, or Hf. 14. The blend of claim 12 having a tensile natural draw ratio of less than about 580%. 15. The blend of claim 12 having a PENT failure time of greater than 800 h determined in accordance with ASTM F1473 using a 3.8 MPa stress. 16. The blend of claim 12 having a PENT failure time of greater than 1500 h determined in accordance with ASTM F1473 using a 3.8 MPa stress. 17. The blend of claim 12 further comprising a comonomer. 18. The blend of claim 17 wherein the comonomer comprises 1-butene, 1-hexene, 1-octene, or combinations thereof. 19. The blend of claim 12 having a weight average molecular weight of from about 50 kg/mol to about 1000 kg/mol. 20. The blend of claim 12 having a polydispersity index of greater than about 15.

이 특허에 인용된 특허 (238) 인용/피인용 타임라인 분석

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Whiteker Gregory T. ; Smith Jack A., Olefin polymerization catalysts, their production and use.
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Nordquest Kim W. (Rocky Mount NC), Olefin polymerization over pi-olefin complex of chromium supported on aluminophosphate.
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Noshay ; Allen ; Karol ; Frederick John, Olefin polymerization process and catalyst therefor.
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McDaniel Max P. ; Benham Elizabeth A., Olefin polymerization processes and products thereof.
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McDaniel Max P. (Bartlesville OK) Pitzer Emory W. (Bartlesville OK) Boggs Elizabeth A. (Bartlesville OK) Norwood Donald D. (Bartlesville OK) Bailey Fay W. (Bartlesville OK), Olefin polymerization using chromium on fluorided aluminophosphate.
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Palackal Syriac J. (Bartlesville OK) Alt Helmut G. (Bayreuth DEX) Patsidis Konstantinos (Bayreuth OH DEX) Hill Tara G. (Fairfield OH) Hawley Gil R. (Dewey OK) Chu Peter P. (Bartlesville OK) Welch M. , Olefin polymerization using silyl-bridged metallocenes.
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McDaniel Max P. (Bartlesville OK) Smith Paul D. (Seabrook TX) Norwood Donald D. (Bartlesville OK), Olefin polymers prepared by polymerization with treated alumina supported chromium.
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Small, Brooke L.; Hope, Kenneth D.; Yang, Qing; Masino, Albert P.; McDaniel, Max P.; Buck, Richard M.; Beaulieu, William B.; Baralt, Eduardo J.; Netemeyer, Eric J.; Kreischer, Bruce, Oligomerization of alpha olefins using metallocene-SSA catalyst systems and use of the resultant polyalphaolefins to prepare lubricant blends.
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Sone Makoto (Mie JPX) Yano Akihiro (Yokkaichi JPX), Organic transition metal compound having p 상세보기

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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