JP5706516B2 - 押出ブロー成形のための超高ivポリエステル及びその製造方法 - Google Patents
押出ブロー成形のための超高ivポリエステル及びその製造方法 Download PDFInfo
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- JP5706516B2 JP5706516B2 JP2013505091A JP2013505091A JP5706516B2 JP 5706516 B2 JP5706516 B2 JP 5706516B2 JP 2013505091 A JP2013505091 A JP 2013505091A JP 2013505091 A JP2013505091 A JP 2013505091A JP 5706516 B2 JP5706516 B2 JP 5706516B2
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/1397—Single layer [continuous layer]
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Polyesters Or Polycarbonates (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
本発明の別の目的は、このような高IVポリエステル製品の製造方法を提供することである。
出発IV(IVst)が下記の関係を満たすポリエステル出発材料を固相重合する工程を含む:
0.65dL/g <IVst< 0.9dL/g
ここで、前記ポリエステル出発材料は、ポリエチレンテレフタレートポリマーであり、30モル%以下の量で1種以上のコモノマーを含んでもよく;前記ポリエステル出発材料は、IVst 以下で溶融重合により調製されたものであり、固相重合によるIV上昇が0.05dL/g以下であり;かつ、前記ポリエステル出発材料は樹脂粒子としての固体形態であり、該樹脂粒子は樹脂粒子形成時に潜熱結晶化に付されており、そして樹脂粒子のいかなる区間を横切ってもIVの変化が0.05dL/g以下である。
出発材料樹脂のガラス転移温度(Tg)は好ましくは75〜90℃であり、より好ましくは80〜85℃であり、そして最も好ましくは約82℃である。添加剤を含む樹脂組成物のTgは上記のものよりも最大で5℃高く又は低いガラス転移温度を有することがある。
各300lbである4つのバッチ(バッチ番号1、2、3及び6)を2.5rpmで回転しているロータリー真空ドライヤ中で110トルの真空下に1.0のIVに固相状態処理した。バッチ2及び3ではペレットの温度が210℃に達したとき、バッチ1及び6では217℃に達したときに、バッチ時間を開始した。バッチの開始時にサンプルを取り出し、また、バッチをとおして周期的にサンプルを取り出し、SSP上昇速度及びバッチの最終IVが1.0に達する時間を決定した。これらのサンプルを、ASTM D4603−03に記載される方法を用いて固有粘度について測定した。この分析の結果を図4に示す。バッチ1はMT3%IPA、バッチ2はMT6%IPA、バッチ3はWMT6%IPA及びバッチ6は3001である。
3つのMT6%IPA(バッチ番号2、4及び5)の3つのバッチを2.5rpmで回転しているロータリー真空ドライヤ中で110トルの真空下に固相状態処理した。ペレットの温度が210℃の設定温度に達したとき、バッチ時間を開始した。バッチ2は300lbであり、1.0のIVに上昇した。バッチ4は500lbであり、1.0のIVに上昇した。バッチ5は500lbであり、1.3のIVに上昇した。バッチの開始時にサンプルを取り出し、また、バッチをとおして周期的にサンプルを取り出し、SSP上昇速度及びバッチの目標IVに達する時間を決定した。これらのサンプルを、ASTM D4603−03に記載される方法を用いて固有粘度について測定した。この分析の結果を図5に示す。
各500lbである4つのバッチ(バッチ番号10、11、12及び13)を2.5rpmで回転しているロータリー真空ドライヤ中で110トルの真空下に48時間、固相状態処理した。ペレットの温度が210℃の設定温度に達したとき、バッチ時間を開始した。バッチの開始時にサンプルを取り出し、また、48時間のバッチ完了まで8時間毎にサンプルを取り出した。これらのサンプルを、ASTM D4603−03に記載される方法を用いて固有粘度について測定した。この分析の結果を図6に示す。
Claims (24)
- 次の工程を含む、最終IV(IVf)が少なくとも0.9dL/gである超高固有粘度(IV)ポリエステル樹脂の製造方法:
出発IV(IVst)が下記の関係を満たすポリエステル出発材料を固相重合する工程:
0.65dL/g <IVst< 0.9dL/g
ここで、前記ポリエステル出発材料は、ポリエチレンテレフタレートポリマーであり、30モル%以下の量で1種以上のコモノマーを含んでもよく、
前記ポリエステル出発材料は、IVst以下で溶融重合により調製されたものであり、固相重合によるIV上昇が0.05dL/g以下であり、かつ
前記ポリエステル出発材料は、樹脂粒子としての固体形態であり、該樹脂粒子は樹脂粒子形成時に潜熱結晶化に付されており、そして樹脂粒子のいかなる区間を横切ってもIVの変化が0.05dL/g以下である。 - 前記超高IVポリエステルのIVfは、1.0dL/gより大きい、請求項1記載の方法。
- 前記超高IVポリエステルのIVfは、1.1dL/gより大きい、請求項2記載の方法。
- 前記超高IVポリエステルのIVfは、1.2dL/gより大きい、請求項3記載の方法。
- 前記超高IVポリエステルのIVfは、1.3dL/gより大きい、請求項4記載の方法。
- 前記ポリエステル出発材料のIVstは、0.70〜0.85dL/gである、請求項1記載の方法。
- 前記ポリエステル出発材料のIVstは、0.72〜0.82dL/gより大きい、請求項6記載の方法。
- 前記ポリエステル出発材料の樹脂粒子は、樹脂粒子のいかなる区分を横切ってもIVの変化が0.03dL/g以下である、請求項1記載の方法。
- 前記固相重合は、190〜230℃の温度で行われる、請求項1記載の方法。
- 前記固相重合は、200〜225℃の温度で行われる、請求項9記載の方法。
- 前記固相重合は、210〜220℃の温度で行われる、請求項10記載の方法。
- 前記固相重合は、約215℃の温度で行われる、請求項11記載の方法。
- 前記1種以上のコモノマーは、ジエチレングリコール(DEG)、シクロヘキサンジメタノール(CHDM)、1,3−プロパンジオール、イソフタル酸(IPA)からなる群より選ばれる、請求項1記載の方法。
- 前記1種以上のコモノマーは、DEG及びIPAの両方である、請求項13記載の方法。
- 前記IPAは、2〜6モル%の量で存在する、請求項14記載の方法。
- 前記IPAは、8〜25モル%の量で存在する、請求項14記載の方法。
- 前記DEGは、2モル%以下の量で存在する、請求項14記載の方法。
- 請求項1記載の方法により調製される超高IVポリエステル樹脂。
- 請求項18記載の超高IVポリエステル樹脂から調製される成形品。
- 前記成形品は押出ブロー成形により調製される、請求項19記載の成形品。
- 前記成形品はサーモフォーミングにより調製される、請求項19記載の成形品。
- 前記成形品はビスフェノールAを含まない、請求項19記載の成形品。
- 前記成形品はボトル、トレー、カップ、グラス、その他の容器及び押出中空品からなる群より選ばれる、請求項19記載の成形品。
- 延伸ブロー成形、パイプ押出成形、プロファイル押出成形及び押出ブロー成形からなる群より選ばれる成形法における使用に適する、請求項18記載の超高IVポリエステル樹脂から調製されるパリソン。
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US12/760,030 US20110256331A1 (en) | 2010-04-14 | 2010-04-14 | Ultra-high iv polyester for extrusion blow molding and method for its production |
PCT/US2011/032300 WO2011130396A1 (en) | 2010-04-14 | 2011-04-13 | Ultra-high iv polyester for extrusion blow molding and method for its production |
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Also Published As
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CN102971358A (zh) | 2013-03-13 |
EP2558514A1 (en) | 2013-02-20 |
US10844168B2 (en) | 2020-11-24 |
BR112012026238A2 (pt) | 2016-07-12 |
CN102971358B (zh) | 2016-03-16 |
BR112012026238B1 (pt) | 2020-05-05 |
KR101785753B1 (ko) | 2017-10-16 |
PT2558514T (pt) | 2019-03-28 |
US9399700B2 (en) | 2016-07-26 |
EP2558514B1 (en) | 2018-12-26 |
AR081078A1 (es) | 2012-06-06 |
CA2795918A1 (en) | 2011-10-20 |
WO2011130396A1 (en) | 2011-10-20 |
CA2795918C (en) | 2018-10-02 |
US20180208715A1 (en) | 2018-07-26 |
TWI516521B (zh) | 2016-01-11 |
KR20130066608A (ko) | 2013-06-20 |
US20110256331A1 (en) | 2011-10-20 |
PL2558514T3 (pl) | 2019-06-28 |
TR201903694T4 (tr) | 2019-04-22 |
TW201141904A (en) | 2011-12-01 |
MX2012011793A (es) | 2013-02-26 |
LT2558514T (lt) | 2019-03-25 |
JP2013523995A (ja) | 2013-06-17 |
BR112012026238B8 (pt) | 2020-05-26 |
ES2715610T3 (es) | 2019-06-05 |
US20130183470A1 (en) | 2013-07-18 |
MX341188B (es) | 2016-08-09 |
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