KR100870531B1 - 폴리테트라메틸렌에테르글리콜의 제조방법 - Google Patents
폴리테트라메틸렌에테르글리콜의 제조방법 Download PDFInfo
- Publication number
- KR100870531B1 KR100870531B1 KR1020070044177A KR20070044177A KR100870531B1 KR 100870531 B1 KR100870531 B1 KR 100870531B1 KR 1020070044177 A KR1020070044177 A KR 1020070044177A KR 20070044177 A KR20070044177 A KR 20070044177A KR 100870531 B1 KR100870531 B1 KR 100870531B1
- Authority
- KR
- South Korea
- Prior art keywords
- catalyst
- ether glycol
- polytetramethylene ether
- tungsten phosphide
- ptmg
- Prior art date
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Classifications
-
- 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
- C08G63/82—Preparation processes characterised by the catalyst used
-
- 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
-
- 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
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/40—Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds, other than from esters thereof
- C08G63/42—Cyclic ethers; Cyclic carbonates; Cyclic sulfites; Cyclic orthoesters
-
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Polyethers (AREA)
Abstract
Description
촉매 | PTMG | |||
반응전화율 (%) | 수평균분자량 (Mn) | 색상 (APHA) | ||
실시예 1 | 텅스텐 포스파이드 | 76.5 | 1650 | 2 |
실시예 2 | 텅스텐 포스파이드/ 알루미나 | 62.2 | 1620 | 2 |
실시예 3 | 텅스텐포스파이드/ 실리카 | 61.3 | 1600 | 3 |
실시예 4 | 텅스텐포스파이드/ 타이타니아 | 63.5 | 1615 | 2 |
비교예 1 | 실리카-알루미나 | 58.2 | 1610 | 3 |
비교예 2 | 제올라이트 | 49.9 | 1580 | 3 |
비교예 3 | 텅스텐포스파이드 (무수아세트산 제외) | 51.3 | 1550 | 3 |
Claims (3)
- 테트라히드로푸란(THF)으로부터 폴리테트라메틸렌에테르글리콜(PTMG) 또는 폴리테트라메틸렌에테르글리콜 공중합체를 제조하는 방법에 있어서,암모늄텅스텐옥사이드 수용액과 암모늄하이드로젠포스페이트 수용액을 혼합하여 제조된 텅스텐 포스파이드(WP)를 촉매로 사용하고, 무수아세트산을 조촉매로 사용하며, 상기 텅스텐 포스파이드의 양은 테트라히드로푸란 단량체에 대하여 10 내지 30중량%인 것을 특징으로 하는 제조방법.
- 청구항 1에 있어서, 텅스텐 포스파이드 촉매는 단독으로 사용하거나, 실리카, 타이타니아 또는 알루미나 같은 지지체에 담지시켜 사용하는 것을 특징으로 하는 제조방법.
- 청구항 1에 있어서, 상기 조촉매로 사용된 무수아세트산의 양은 테트라히드로푸란 단량체에 대하여 4 내지 10 중량%인 것을 특징으로 하는 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070044177A KR100870531B1 (ko) | 2007-05-07 | 2007-05-07 | 폴리테트라메틸렌에테르글리콜의 제조방법 |
CN2008100848161A CN101302289B (zh) | 2007-05-07 | 2008-03-27 | 制备聚四亚甲基醚二醇的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070044177A KR100870531B1 (ko) | 2007-05-07 | 2007-05-07 | 폴리테트라메틸렌에테르글리콜의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080098830A KR20080098830A (ko) | 2008-11-12 |
KR100870531B1 true KR100870531B1 (ko) | 2008-11-26 |
Family
ID=40112402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070044177A KR100870531B1 (ko) | 2007-05-07 | 2007-05-07 | 폴리테트라메틸렌에테르글리콜의 제조방법 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR100870531B1 (ko) |
CN (1) | CN101302289B (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010046899A (ko) * | 1999-11-16 | 2001-06-15 | 조정래 | 폴리테트라메틸렌 에테르 글리콜 디에스테르의 제조방법 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19735330A1 (de) * | 1997-08-14 | 1999-02-18 | Basf Ag | Verfahren zur Herstellung von Polytetrahydrofuran mit niedriger Farbzahl |
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2007
- 2007-05-07 KR KR1020070044177A patent/KR100870531B1/ko active IP Right Grant
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2008
- 2008-03-27 CN CN2008100848161A patent/CN101302289B/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010046899A (ko) * | 1999-11-16 | 2001-06-15 | 조정래 | 폴리테트라메틸렌 에테르 글리콜 디에스테르의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
CN101302289A (zh) | 2008-11-12 |
CN101302289B (zh) | 2011-04-27 |
KR20080098830A (ko) | 2008-11-12 |
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