KR900003218A - 폴리에스테르 예비중합체를 축압시켜 제조한 다공성 정제의 고상중합 - Google Patents
폴리에스테르 예비중합체를 축압시켜 제조한 다공성 정제의 고상중합 Download PDFInfo
- Publication number
- KR900003218A KR900003218A KR1019890008791A KR890008791A KR900003218A KR 900003218 A KR900003218 A KR 900003218A KR 1019890008791 A KR1019890008791 A KR 1019890008791A KR 890008791 A KR890008791 A KR 890008791A KR 900003218 A KR900003218 A KR 900003218A
- Authority
- KR
- South Korea
- Prior art keywords
- microns
- polyester prepolymer
- solid phase
- diameter
- phase polymerization
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F18/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/80—Solid-state polycondensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/919—Sintered product
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (5)
- 상승온도에서, 저분자량의 폴리에스테르 예비중합체를 고분자량의 폴리에스테르 수지로 고상중합하는 공정에 있어서, 약841마이크론 이하의 직경을 가지는 폴리에스테르 예비중합체의 파이버를 축압시키거나 응집시켜 제조된 다공성 정제의 형태인 폴리에스테르 예비 중합체를 사용함을 특징으로 하는 공정.
- 매우 빠른 속도로 고분자량의 폴리에스테르 수지로 고상중합될 수 있는 다공정 정제에 있어서, 상기 다공성 정제가, 0.4g/dl의 농도에서 30℃의 온도에서 60 : 40의 페놀 ; 테트라클로로에탄 용매계내에서 측정하였을때 적어도 약 0.2dl/g의 고유점도를 가지는 폴리에스테르 예비중합체로 구성됨을 특징으로 하고 ; 상기 다공성 정제가 이 다공성 정제를 관통하여 외부로 뚫린 상당한 부피의 격자간격을 가지며 ; 및 상기 다공성 정제가 약 841마이크론 이하의 직경을 가지는 폴리에스테르 예비 중합체의 파이버를 축압시키거나 응집시켜 제조된 다공성 정제.
- 제2항에 있어서, 상기 파이버가 약 50마이크론 내지 약 250마이크론의 직경을 가지고 ; 상기 폴리에스테르 예비중합체가 폴리에틸렌 테레프탈 레이트이며 ; 및 상기 폴리에틸렌 테페프탈레이트가 약 0.25dl/g내지 약 0.65dl/g 범위의 고유점도를 가지는 것을 특징으로 하는 다공성 정제.
- 제1항에 있어서, 상기 폴리에스테로 예비중합체가 약 0.25내지 약 0.65dl/g 범위의 고유점도를 가지고 ; 및 상기 파이버가 약 25마이크론 내지 500마이크론의 직경을 가지는 것을 특징으로 하는 공정.
- 제4항에 있어서, 상기 고상중합을 관상 중합 반응기내에서 수행함을 특징으로 하고 ; 상기 다공성 정제가 부분적으로 막힌 상태에서 중력에 의해서 반응기의 상부로부터 바닥으로 이동하고 ; 및 불활성 가스를 반응기를 통하여 역류시키는 공정.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US229,680 | 1988-08-03 | ||
US07/229,680 US4849497A (en) | 1988-08-03 | 1988-08-03 | Solid state polymerization of porous pills made by compacting polyester prepolymers |
Publications (1)
Publication Number | Publication Date |
---|---|
KR900003218A true KR900003218A (ko) | 1990-03-26 |
Family
ID=22862254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890008791A KR900003218A (ko) | 1988-08-03 | 1989-06-26 | 폴리에스테르 예비중합체를 축압시켜 제조한 다공성 정제의 고상중합 |
Country Status (10)
Country | Link |
---|---|
US (1) | US4849497A (ko) |
EP (1) | EP0354159A1 (ko) |
JP (1) | JPH0275627A (ko) |
KR (1) | KR900003218A (ko) |
CN (1) | CN1039815A (ko) |
AU (1) | AU611353B2 (ko) |
BR (1) | BR8903074A (ko) |
MX (1) | MX165713B (ko) |
TR (1) | TR24382A (ko) |
ZA (1) | ZA894579B (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4963644A (en) * | 1989-09-18 | 1990-10-16 | The Goodyear Tire & Rubber Company | Process for crystallization of polyethylene naphthalate |
ES2070878T3 (es) * | 1989-10-13 | 1995-06-16 | Phobos Nv | Procedimiento para la produccion en continuo de resina de poliester de alto peso molecular. |
US5145742A (en) * | 1990-08-03 | 1992-09-08 | Eastman Kodak Company | Polymer pellet configuration for solid-state polymerization |
US5391694A (en) * | 1993-10-15 | 1995-02-21 | Shell Oil Company | Solid state polymerization of polyesters with low diffusion resistance prepolymer granules |
US5449701A (en) * | 1994-12-15 | 1995-09-12 | Shell Oil Company | Solid state polymerization process for foamed poly(ethylene naphthalate) |
US5750644A (en) * | 1996-10-30 | 1998-05-12 | Shell Oil Company | Process for the crystallization of polyethylene naphthalate prepolymers and the solid stating of those crystallized prepolymers |
KR19980061618A (ko) * | 1996-12-31 | 1998-10-07 | 김준웅 | 고중합도 폴리트리메틸렌테레프탈레이트의 제조방법 |
US6048922A (en) * | 1997-08-20 | 2000-04-11 | Eastman Chemical Company | Process for preparing high strength fiber reinforced composites |
US6043313A (en) | 1997-09-04 | 2000-03-28 | Eastman Chemical Company | Thermoplastic polyurethane additives for improved polymer matrix composites and methods of making and using therefor |
US6284866B1 (en) | 1999-12-07 | 2001-09-04 | Wellman, Inc. | Method of preparing modified polyester bottle resins |
ITTO20020714A1 (it) * | 2002-08-09 | 2004-02-10 | Giuliano Cavaglia | Procedimento per la polimerizzazione continua di |
ITTO20070084A1 (it) * | 2007-02-06 | 2008-08-07 | K & E Srl | Dispositivi di miscelazione radiale per reattori inclinati rotanti. |
US8945588B2 (en) | 2011-05-06 | 2015-02-03 | The University Of Chicago | Methods and compositions involving protective staphylococcal antigens, such as EBH polypeptides |
US10038726B2 (en) * | 2013-06-12 | 2018-07-31 | Visa International Service Association | Data sensitivity based authentication and authorization |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3586647A (en) * | 1968-07-10 | 1971-06-22 | Mobil Oil Corp | Solid state polycondensation with porous polyester prepolymer particles |
US3634356A (en) * | 1969-05-02 | 1972-01-11 | Fmc Corp | Solid state polymerization of polyester filaments |
UST873013I4 (en) * | 1969-10-23 | 1970-04-21 | Defensive publication | |
US4613664A (en) * | 1984-12-28 | 1986-09-23 | Toyo Boseki Kabushiki Kaisha | Process for production of polyester |
US4742151A (en) * | 1986-06-26 | 1988-05-03 | Toyo Boseki Kabushiki Kaisha | Ultra-high-molecular-weight polyesters |
US4876326A (en) * | 1987-03-26 | 1989-10-24 | The Goodyear Tire & Rubber Company | Solid state polymerization of polyester prepolymers |
US4755587A (en) * | 1987-03-26 | 1988-07-05 | The Goodyear Tire & Rubber Company | Solid state polymerization of polyester prepolymers |
US4792573A (en) * | 1988-04-01 | 1988-12-20 | The Goodyear Tire & Rubber Company | Preparation of ultra-high molecular weight polyester |
-
1988
- 1988-08-03 US US07/229,680 patent/US4849497A/en not_active Expired - Fee Related
-
1989
- 1989-06-14 EP EP89630107A patent/EP0354159A1/en not_active Withdrawn
- 1989-06-15 ZA ZA894579A patent/ZA894579B/xx unknown
- 1989-06-16 AU AU36474/89A patent/AU611353B2/en not_active Ceased
- 1989-06-23 BR BR898903074A patent/BR8903074A/pt not_active Application Discontinuation
- 1989-06-26 KR KR1019890008791A patent/KR900003218A/ko not_active Application Discontinuation
- 1989-06-27 TR TR89/0548A patent/TR24382A/xx unknown
- 1989-07-07 CN CN89103854A patent/CN1039815A/zh active Pending
- 1989-07-13 JP JP1181624A patent/JPH0275627A/ja active Pending
- 1989-07-26 MX MX016932A patent/MX165713B/es unknown
Also Published As
Publication number | Publication date |
---|---|
BR8903074A (pt) | 1990-03-06 |
US4849497A (en) | 1989-07-18 |
AU3647489A (en) | 1990-02-08 |
EP0354159A1 (en) | 1990-02-07 |
CN1039815A (zh) | 1990-02-21 |
AU611353B2 (en) | 1991-06-06 |
JPH0275627A (ja) | 1990-03-15 |
TR24382A (tr) | 1991-09-23 |
MX165713B (es) | 1992-12-01 |
ZA894579B (en) | 1990-03-28 |
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N231 | Notification of change of applicant | ||
WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |