WO2010041509A1 - Process for producing polyhydroxy polyester - Google Patents
Process for producing polyhydroxy polyester Download PDFInfo
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- WO2010041509A1 WO2010041509A1 PCT/JP2009/063719 JP2009063719W WO2010041509A1 WO 2010041509 A1 WO2010041509 A1 WO 2010041509A1 JP 2009063719 W JP2009063719 W JP 2009063719W WO 2010041509 A1 WO2010041509 A1 WO 2010041509A1
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- WIPO (PCT)
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- polyester
- carboxyl group
- polyhydroxy
- product
- polyhydroxypolyester
- Prior art date
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- 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
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
Abstract
Description
ポリ乳酸(ユニチカ(株) TE-4000)200gにソルビト-ル7gを加え、窒素雰囲気下で加熱溶融混合を200℃で4時間行ない、粗ポリヒドロキシポリエステル(P)(比較例1)を得た。この反応におけるポリヒドロキシポリエステルの分子量とカルボキシル基濃度の経時変化を図1に示す。反応の進行に伴い、カルボキシル基が増大し、88μモル/gとなった。 [Example 1]
7 g of sorbitol was added to 200 g of polylactic acid (Unitika Ltd. TE-4000), and the mixture was heated and melted and mixed in a nitrogen atmosphere at 200 ° C. for 4 hours to obtain a crude polyhydroxypolyester (P) (Comparative Example 1). . FIG. 1 shows changes with time in the molecular weight and carboxyl group concentration of the polyhydroxypolyester in this reaction. As the reaction progressed, the carboxyl group increased to 88 μmol / g.
P(10g)を200℃で溶融し、これにポリカルボジイミドB(V-02B:日清紡(株)、カルボジイミド当量603g/モル)を5.0質量%加えた後、1時間加熱混合した。実施例1と同様にして、得られたポリヒドロキシポリエステルの分子量及びカルボキシル基濃度を測定した。結果を表1に示す。 [Example 2]
P (10 g) was melted at 200 ° C., and polycarbodiimide B (V-02B: Nisshinbo Co., Ltd., carbodiimide equivalent 603 g / mol) was added by 5.0 mass%, followed by heating and mixing for 1 hour. In the same manner as in Example 1, the molecular weight and carboxyl group concentration of the obtained polyhydroxypolyester were measured. The results are shown in Table 1.
P(10g)を200℃で溶融し、これにポリカルボジイミドC(LA-1:日清紡(株)、カルボジイミド当量247g/モル)を2.1質量%加えた後、1時間加熱混合した。実施例1と同様にして、得られたポリヒドロキシポリエステルの分子量及びカルボキシル基濃度を測定した。結果を表1に示す。 [Example 3]
P (10 g) was melted at 200 ° C., and 2.1% by mass of polycarbodiimide C (LA-1: Nisshinbo Co., Ltd., carbodiimide equivalent 247 g / mol) was added thereto, followed by heating and mixing for 1 hour. In the same manner as in Example 1, the molecular weight and carboxyl group concentration of the obtained polyhydroxypolyester were measured. The results are shown in Table 1.
P(10g)を200℃で溶融し、これにポリカルボジイミドD(ラインへミー(株):スタバクゾールP、カルボジイミド当量360g/モル)を3.1質量%加えた後、1時間加熱混合した。実施例1と同様にして、得られたポリヒドロキシポリエステルの分子量及びカルボキシル基濃度を測定した。結果を表1に示す。 [Example 4]
P (10 g) was melted at 200 ° C., and 3.1% by mass of polycarbodiimide D (Rheinheme Co., Ltd .: stavaxol P, carbodiimide equivalent 360 g / mol) was added thereto, followed by heating and mixing for 1 hour. In the same manner as in Example 1, the molecular weight and carboxyl group concentration of the obtained polyhydroxypolyester were measured. The results are shown in Table 1.
P(10g)をクロロホルム(60ml)とメタノール(200ml)を用いて、再沈殿法による精製を行った。沈殿物をろ過により回収し、その後乾燥し樹脂(9g)を得た。実施例1と同様にして、得られたポリヒドロキシポリエステルの分子量及びカルボキシル基濃度を測定した。結果を表1に示す。 [Comparative Example 2]
P (10 g) was purified by reprecipitation using chloroform (60 ml) and methanol (200 ml). The precipitate was collected by filtration and then dried to obtain a resin (9 g). In the same manner as in Example 1, the molecular weight and carboxyl group concentration of the obtained polyhydroxypolyester were measured. The results are shown in Table 1.
P(10g)を200℃で溶融し、これにエポキシ変性アクリル樹脂E(ARUFON UG4040:東亜合成(株)社製、エポキシ当量:480g/mol)を4.1質量%加えた後、1時間加熱混合した。実施例1と同様にして、得られたポリヒドロキシポリエステルの分子量及びカルボキシ基濃度を測定した。結果を表1に示す。 [Example 5]
After melting P (10 g) at 200 ° C. and adding 4.1% by mass of epoxy-modified acrylic resin E (ARUFON UG4040: manufactured by Toagosei Co., Ltd., epoxy equivalent: 480 g / mol), heat for 1 hour. Mixed. In the same manner as in Example 1, the molecular weight and carboxy group concentration of the obtained polyhydroxypolyester were measured. The results are shown in Table 1.
The present invention includes all contents described in the claims, specification, or drawings of Japanese Patent Application No. 2008-263997 (filed on October 10, 2008) on which the priority of the present invention is based. Is included.
Claims (4)
- 2つ以上のヒドロキシ基を有する核形成ポリヒドロキシ化合物と、オキシ酸とを用いてポリエステルを成長させポリヒドロキシポリエステル及び、副生成物として、末端にカルボキシル基を有する直鎖状のポリエステルを得た後、反応系にカルボキシル基封止剤を添加し、カルボキシル基封止剤と直鎖状のポリエステルの末端のカルボキシル基とを結合させ、水酸基当量が50,000g/モル以下のポリヒドロキシポリエステルを得ることを特徴とするポリヒドロキシポリエステルの製造方法。 After growing a polyester using a nucleating polyhydroxy compound having two or more hydroxy groups and an oxyacid to obtain a polyhydroxy polyester and a linear polyester having a carboxyl group at the end as a by-product , Adding a carboxyl group blocking agent to the reaction system, and bonding the carboxyl group blocking agent and the carboxyl group at the end of the linear polyester to obtain a polyhydroxy polyester having a hydroxyl group equivalent of 50,000 g / mol or less. A process for producing a polyhydroxypolyester characterized by the above.
- オキシ酸を用いて直鎖状のポリエステルを形成した後、直鎖状のポリエステルと2つ以上のヒドロキシ基を有する核形成ポリヒドロキシ化合物とを反応させてポリヒドロキシポリエステルを得た後、反応系にカルボキシル基封止剤を添加し、カルボキシル基封止剤と残留する直鎖状のポリエステルの末端のカルボキシル基とを結合させ、水酸基当量が50,000g/モル以下のポリヒドロキシポリエステルを得ることを特徴とするポリヒドロキシポリエステルの製造方法。 After forming a linear polyester using oxyacid, a linear polyester and a nucleating polyhydroxy compound having two or more hydroxy groups are reacted to obtain a polyhydroxy polyester, and then the reaction system is used. A carboxyl group-blocking agent is added, and the carboxyl group-blocking agent is bonded to the terminal carboxyl group of the remaining linear polyester to obtain a polyhydroxy polyester having a hydroxyl group equivalent of 50,000 g / mol or less. A method for producing polyhydroxypolyester.
- カルボキシル基封止剤がカルボキシル基と結合する官能基を複数有することを特徴とする請求項1又は2記載のポリヒドロキシポリエステルの製造方法。 The method for producing a polyhydroxy polyester according to claim 1 or 2, wherein the carboxyl group-blocking agent has a plurality of functional groups that bind to the carboxyl group.
- カルボキシル基封止剤が、カルボジイミド化合物若しくはエポキシ化合物、又はカルボジイミド化合物及びエポキシ化合物であることを特徴とする請求項1から3のいずれか記載のポリヒドロキシポリエステルの製造方法。
The method for producing a polyhydroxy polyester according to any one of claims 1 to 3, wherein the carboxyl group-capping agent is a carbodiimide compound or an epoxy compound, or a carbodiimide compound and an epoxy compound.
Priority Applications (2)
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JP2010532851A JPWO2010041509A1 (en) | 2008-10-10 | 2009-08-03 | Method for producing polyhydroxypolyester |
CN200980139918.1A CN102177192B (en) | 2008-10-10 | 2009-08-03 | Process for producing polyhydroxy polyester |
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JP2008-263997 | 2008-10-10 | ||
JP2008263997 | 2008-10-10 |
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PCT/JP2009/063719 WO2010041509A1 (en) | 2008-10-10 | 2009-08-03 | Process for producing polyhydroxy polyester |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08100057A (en) * | 1994-09-29 | 1996-04-16 | Dainippon Ink & Chem Inc | Production of lactic acid copolymer |
JP2007126653A (en) * | 2005-10-31 | 2007-05-24 | Kureha Corp | Method for producing aliphatic polyester composition |
JP2008094887A (en) * | 2006-10-06 | 2008-04-24 | Mitsubishi Chemicals Corp | Sheet produced from biomass resource-derived polyester, and method for producing the same |
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CN1546549A (en) * | 2003-12-04 | 2004-11-17 | 中国科学院上海有机化学研究所 | Bio-degradability polyester block macromolecule copolymer, preparation method and uses |
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2009
- 2009-08-03 JP JP2010532851A patent/JPWO2010041509A1/en active Pending
- 2009-08-03 WO PCT/JP2009/063719 patent/WO2010041509A1/en active Application Filing
- 2009-08-03 CN CN200980139918.1A patent/CN102177192B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08100057A (en) * | 1994-09-29 | 1996-04-16 | Dainippon Ink & Chem Inc | Production of lactic acid copolymer |
JP2007126653A (en) * | 2005-10-31 | 2007-05-24 | Kureha Corp | Method for producing aliphatic polyester composition |
JP2008094887A (en) * | 2006-10-06 | 2008-04-24 | Mitsubishi Chemicals Corp | Sheet produced from biomass resource-derived polyester, and method for producing the same |
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JPWO2010041509A1 (en) | 2012-03-08 |
CN102177192A (en) | 2011-09-07 |
CN102177192B (en) | 2013-06-12 |
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