JP2003524674A5 - - Google Patents
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- JP2003524674A5 JP2003524674A5 JP2000581078A JP2000581078A JP2003524674A5 JP 2003524674 A5 JP2003524674 A5 JP 2003524674A5 JP 2000581078 A JP2000581078 A JP 2000581078A JP 2000581078 A JP2000581078 A JP 2000581078A JP 2003524674 A5 JP2003524674 A5 JP 2003524674A5
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- JP
- Japan
- Prior art keywords
- polycarbonate
- precursor polycarbonate
- solvent
- precursor
- water
- Prior art date
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- 229920000515 polycarbonate Polymers 0.000 description 23
- 239000004417 polycarbonate Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 21
- 239000002243 precursor Substances 0.000 description 17
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 239000002904 solvent Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 125000003118 aryl group Chemical group 0.000 description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical group C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
Description
【特許請求の範囲】
【請求項１】 固形無定形芳香族前駆体ポリカーボネートの結晶化度を高める方法であって、前駆体ポリカーボネートを、液体又は蒸気状態の水又はＣ1-20アルカノールであって炭酸ジアルキルを含まない１種類以上の非溶媒と、表面結晶化ポリカーボネートの形成に有効な時間、７５℃以上であって以下の関係で定義される接触温度及び接触圧力で接触させることを含んでなる方法。
Ｔc≧Ｔb−ｚ
ただし、Ｔcは接触温度（℃）であり、Ｔbは接触圧力での非溶媒の沸点（℃）であり、ｚは定数であってその値は６０である。
【請求項２】 前記前駆体ポリカーボネートがホモポリカーボネートである、請求項１記載の方法。
【請求項３】 前記前駆体ポリカーボネートがコポリカーボネートである、請求項１記載の方法。
【請求項４】 前記前駆体ポリカーボネートがコポリエステルカーボネートである、請求項３記載の方法。
【請求項５】 前駆体ポリカーボネートがビスフェノールＡホモポリカーボネート又はコポリカーボネートである、請求項１記載の方法。
【請求項６】 前記前駆体ポリカーボネートが、ゲルパーミエーションクロマトグラフィーで決定して２０００〜１００００の範囲内の重量平均分子量を有するオリゴマーである、請求項１記載の方法。
【請求項７】 前記前駆体ポリカーボネートが、ゲルパーミエーションクロマトグラフィーで測定して１００００〜３５０００の範囲内の重量平均分子量を有する、請求項１記載の方法。
【請求項８】 前記前駆体ポリカーボネートが枝分れポリカーボネートである、請求項１記載の方法。
【請求項９】 前記前駆体ポリカーボネートがリサイクルポリカーボネートである、請求項１記載の方法。
【請求項１０】 前記非溶媒が水である、請求項１記載の方法。
【請求項１１】 前記非溶媒がＣ1-5の第一級アルカノールである、請求項１記載の方法。
【請求項１２】 前記非溶媒がメタノールである、請求項１記載の方法。
【請求項１３】 前記前駆体ポリカーボネートがオリゴマーであってこれをメタノール中に押出してペレットとし、もって造粒と結晶化度向上を同時に達成する、請求項１２記載の方法。
【請求項１４】 前記非溶媒が水又は水とメタノールの混合物である、請求項１記載の方法。
【請求項１５】 固形無定形芳香族前駆体ポリカーボネートの結晶化度を高める方法であって、前駆体ポリカーボネートを、液体又は蒸気状態の水又はＣ1-20アルカノールであって炭酸ジアルキルを含まない１種類以上の非溶媒と、表面結晶化ポリカーボネートの形成に有効な時間、７５℃以上であって以下の関係で定義される接触温度及び接触圧力で接触させることを含んでなる方法。
Ｔc≧Ｔb−ｚ
ただし、Ｔcは接触温度（℃）であり、Ｔbは接触圧力での非溶媒の沸点（℃）であり、ｚは定数であってその値は２０である。
【請求項１６】 前記接触圧力が大気圧又は最高５気圧までの高圧である、請求項１５記載の方法。
【請求項１７】 固形無定形芳香族前駆体ポリカーボネートを、液体又は蒸気状態の水又はＣ1-20アルカノールであって炭酸ジアルキルを含まない１種類以上の非溶媒と、表面結晶化ポリカーボネートの形成に有効な時間、７５℃以上であって以下の関係で定義される接触温度及び接触圧力で接触させることによって前駆体ポリカーボネートの結晶化度を高め、
かくして結晶化度の向上した前駆体ポリカーボネートを固相重合によって重合する
ことを含んでなる、芳香族ポリカーボネートの製造方法。
Ｔc≧Ｔb−ｚ
ただし、Ｔcは接触温度（℃）であり、Ｔbは接触圧力での非溶媒の沸点（℃）であり、ｚは定数であってその値は６０である。
【請求項１８】 前記前駆体ポリカーボネートがビスフェノールＡホモポリカーボネート又はコポリカーボネートである、請求項１７記載の方法。
【請求項１９】 前記非溶媒が水である、請求項１７記載の方法。
【請求項２０】 前記非溶媒が水、メタノール又はこれらの混合物である、請求項１７記載の方法。
[Claims]
1. A method for increasing the crystallinity of a solid amorphous aromatic precursor polycarbonate, comprising the step of converting the precursor polycarbonate into water or C 1-20 alkanol in a liquid or vapor state and containing no dialkyl carbonate. A method comprising contacting with one or more non-solvents for a time effective to form a surface-crystallized polycarbonate at a contact temperature and contact pressure of 75 ° C. or more and defined by the following relationship:
T c ≧ T b −z
Here, T c is the contact temperature (° C.), T b is the boiling point of the non-solvent at the contact pressure (° C.), z is a constant, and its value is 60.
2. The method of claim 1, wherein said precursor polycarbonate is a homopolycarbonate.
3. The method of claim 1, wherein said precursor polycarbonate is a copolycarbonate.
4. The method of claim 3, wherein said precursor polycarbonate is a copolyestercarbonate.
5. The method of claim 1, wherein the precursor polycarbonate is bisphenol A homopolycarbonate or copolycarbonate.
6. The method of claim 1, wherein said precursor polycarbonate is an oligomer having a weight average molecular weight in the range of 2,000 to 10,000 as determined by gel permeation chromatography.
7. The method of claim 1, wherein said precursor polycarbonate has a weight average molecular weight in the range of 10,000 to 35,000 as measured by gel permeation chromatography.
8. The method of claim 1, wherein said precursor polycarbonate is a branched polycarbonate.
9. The method of claim 1, wherein said precursor polycarbonate is recycled polycarbonate.
10. The method of claim 1, wherein said non-solvent is water.
11. The method of claim 1, wherein said non-solvent is a C 1-5 primary alkanol.
12. The method of claim 1, wherein said non-solvent is methanol.
13. The method of claim 12, wherein said precursor polycarbonate is an oligomer, which is extruded into methanol to form a pellet, thereby simultaneously achieving granulation and improved crystallinity.
14. The method of claim 1, wherein said non-solvent is water or a mixture of water and methanol.
15. A method for increasing the crystallinity of a solid amorphous aromatic precursor polycarbonate, comprising: forming a precursor polycarbonate in water or C 1-20 alkanol in a liquid or vapor state and containing no dialkyl carbonate. A method comprising contacting with one or more non-solvents for a time effective to form a surface-crystallized polycarbonate at a contact temperature and contact pressure of 75 ° C. or more and defined by the following relationship:
T c ≧ T b −z
Here, T c is the contact temperature (° C.), T b is the boiling point of the non-solvent at the contact pressure (° C.), z is a constant, and its value is 20.
16. The method of claim 15, wherein said contact pressure is at atmospheric pressure or a high pressure up to 5 atm.
17. The solid amorphous aromatic precursor polycarbonate is used to form surface crystallized polycarbonate with one or more non-solvents in liquid or vapor state, water or C 1-20 alkanol, which does not contain dialkyl carbonate. Effective time, the crystallinity of the precursor polycarbonate is increased by contacting at a contact temperature and a contact pressure defined by the following relationship at 75 ° C. or higher,
A method for producing an aromatic polycarbonate, comprising polymerizing a precursor polycarbonate having an improved crystallinity by solid-phase polymerization.
T c ≧ T b −z
Here, T c is the contact temperature (° C.), T b is the boiling point of the non-solvent at the contact pressure (° C.), z is a constant, and its value is 60.
18. The method of claim 17, wherein said precursor polycarbonate is bisphenol A homopolycarbonate or copolycarbonate.
19. The method of claim 17, wherein said non-solvent is water.
20. The method of claim 17, wherein said non-solvent is water, methanol or a mixture thereof.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN1984CA1998 | 1998-11-09 | ||
| IN1984/CAL/98 | 1998-11-09 | ||
| PCT/US1999/022804 WO2000027902A1 (en) | 1998-11-09 | 1999-10-01 | Method for enhancing crystallinity of polycarbonates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003524674A JP2003524674A (en) | 2003-08-19 |
| JP2003524674A5 true JP2003524674A5 (en) | 2006-12-28 |
Family
ID=11087133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000581078A Ceased JP2003524674A (en) | 1998-11-09 | 1999-10-01 | How to increase the crystallinity of polycarbonate |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1129122A1 (en) |
| JP (1) | JP2003524674A (en) |
| KR (1) | KR20010080962A (en) |
| CN (1) | CN1198865C (en) |
| BR (1) | BR9915150A (en) |
| WO (1) | WO2000027902A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6222001B1 (en) * | 1999-08-10 | 2001-04-24 | General Electric Company | Method of crystallizing polycarbonate prepolymer |
| CN1153799C (en) * | 1999-09-22 | 2004-06-16 | 帝人株式会社 | Method of crystallizing low-molecular polycarbonate and process for producing polycarbonate resin from the same |
| US20180030239A1 (en) * | 2015-03-24 | 2018-02-01 | Sabic Global Technologies B.V. | Crystalline polycarbonate articles and methods of making the same |
| KR101840128B1 (en) | 2016-09-30 | 2018-04-26 | 롯데케미칼 주식회사 | Crystallization of Polycarbonate by Surfactants |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0794546B2 (en) * | 1987-09-28 | 1995-10-11 | 旭化成工業株式会社 | Method for producing aromatic polycarbonate and crystalline aromatic polycarbonate powder obtained thereby |
| JPH0757795B2 (en) * | 1988-12-27 | 1995-06-21 | 旭化成工業株式会社 | Process for producing aromatic polycarbonate |
| DE68928567T2 (en) * | 1988-12-27 | 1998-08-27 | Asahi Chemical Ind | POROUS CRYSTALLIZED AROMATIC POLYCARBONATE PREPOLYMER, A POROUS CRYSTALLIZED AROMATIC POLYCARBONATE AND METHOD FOR PRODUCING THE SAME |
| JP2546724B2 (en) * | 1989-03-28 | 1996-10-23 | 旭化成工業株式会社 | Polycarbonate prepolymer porous body, method for producing the same, and method for producing aromatic polycarbonate using the same |
| JP3217853B2 (en) * | 1992-05-14 | 2001-10-15 | 旭化成株式会社 | Preparation of aromatic polycarbonate prepolymer |
| JP3164668B2 (en) * | 1992-09-28 | 2001-05-08 | 出光興産株式会社 | Method for producing granular polycarbonate |
| JPH0859813A (en) * | 1994-08-23 | 1996-03-05 | Idemitsu Petrochem Co Ltd | Preparation of polycarbonate |
| JPH10130384A (en) * | 1996-10-30 | 1998-05-19 | Idemitsu Petrochem Co Ltd | Production of polycarbonate |
| US5864006A (en) * | 1997-04-08 | 1999-01-26 | The Dow Chemical Company | Method of making polycarbonate prepolymer and method of making high molecular weight polycarbonate |
| BR9804755A (en) * | 1997-11-07 | 1999-12-14 | Gen Electric | Method of preparing polycarbonates by solid-state polymerization |
-
1999
- 1999-10-01 KR KR1020017005812A patent/KR20010080962A/en not_active Application Discontinuation
- 1999-10-01 EP EP99951687A patent/EP1129122A1/en not_active Withdrawn
- 1999-10-01 BR BR9915150-2A patent/BR9915150A/en not_active IP Right Cessation
- 1999-10-01 JP JP2000581078A patent/JP2003524674A/en not_active Ceased
- 1999-10-01 WO PCT/US1999/022804 patent/WO2000027902A1/en not_active Application Discontinuation
- 1999-10-01 CN CNB998127736A patent/CN1198865C/en not_active Expired - Fee Related
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