JP2004143400A5 - - Google Patents

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JP2004143400A5
JP2004143400A5 JP2003082040A JP2003082040A JP2004143400A5 JP 2004143400 A5 JP2004143400 A5 JP 2004143400A5 JP 2003082040 A JP2003082040 A JP 2003082040A JP 2003082040 A JP2003082040 A JP 2003082040A JP 2004143400 A5 JP2004143400 A5 JP 2004143400A5
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group
molecular weight
polyoxalate
aliphatic diol
high molecular
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JP2003082040A
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JP2004143400A (en
JP4100212B2 (en
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下式（１）で表される、数平均分子量２００００〜７００００の高分子量ポリオキサレート。
Figure 2004143400
（式中、Ｒは、分岐構造或いは脂環式構造を含んでいてもよい、主鎖の炭素数が３〜１２であるアルキレン基を表し、ｎは正の整数を表し、Ｘは、水素原子、ＡｒＯＣＯＣＯ−基、又はＨＣＯ−基を表し、Ｘが水素原子を表すときは、Ｙは、−ＯＡｒ基、−ＯＲＯＨ基、又は−ＯＲＯＣＨＯ基を表し、ＸがＡｒＯＣＯＣＯ−基を表すときは、Ｙは−ＯＡｒ基又は−ＯＲＯＣＨＯ基を表し、ＸがＨＣＯ−基を表すときは、Ｙは−ＯＡｒ基又は−ＯＲＯＣＨＯ基を表す。Ａｒはアリール基を表す。）A high molecular weight polyoxalate having a number average molecular weight of 20,000 to 70,000, represented by the following formula (1).
Figure 2004143400
 (In the formula, R represents an alkylene group having 3 to 12 carbon atoms in the main chain, which may contain a branched structure or an alicyclic structure, n represents a positive integer, and X represents a hydrogen atom. , ArOCOCO- group, or HCO- group, when X represents a hydrogen atom, Y represents -OAr group, -OROH group, or -OROCHO group, and when X represents an ArOCOCO- group, Y represents Represents —OAr group or —OROCHO group, and when X represents an HCO— group, Y represents an —OAr group or —OROCHO group, and Ar represents an aryl group.) 数平均分子量が２５０００〜７００００である、請求項１記載の高分子量ポリオキサレート。  The high molecular weight polyoxalate according to claim 1, having a number average molecular weight of 25,000 to 70000. 重量平均分子量が３００００〜２０００００である、請求項１又は２記載の高分子量ポリオキサレート。  The high molecular weight polyoxalate according to claim 1 or 2, having a weight average molecular weight of 30,000 to 200,000. シュウ酸ジアリールと脂肪族ジオールを反応原料中の水分濃度を１０００ｐｐｍ未満として重縮合反応させることを特徴とする請求項１〜３のいずれか記載の高分子量ポリオキサレートの製造方法。  The method for producing a high molecular weight polyoxalate according to any one of claims 1 to 3, wherein a polycondensation reaction is carried out with diaryl oxalate and an aliphatic diol at a water concentration in the reaction raw material of less than 1000 ppm. シュウ酸ジアリールと脂肪族ジオールを、反応原料中の水分濃度を１０００ｐｐｍ未満として、シュウ酸ジアリール１モルに対して脂肪族ジオール０．９９〜１．０１モルの割合で重縮合反応させて、数平均分子量が２００００〜７００００で、末端が水酸基とアリールオキシ基又はホルメート基とであるポリオキサレートを生成させることを特徴とする高分子量ポリオキサレートの製造方法。  The number average of polyaryl oxalate and aliphatic diol was polycondensed at a ratio of 0.99 to 1.01 mole of aliphatic diol with respect to 1 mole of diaryl oxalate, with the water concentration in the reaction raw material being less than 1000 ppm. A method for producing a high molecular weight polyoxalate, comprising producing a polyoxalate having a molecular weight of 20,000 to 70,000 and having a hydroxyl group and an aryloxy group or a formate group at a terminal. シュウ酸ジアリールと脂肪族ジオールを、反応原料中の水分濃度を２０ｐｐｍ以上から１０００ｐｐｍ未満の範囲として、シュウ酸ジアリール１モルに対して脂肪族ジオール０．９９〜１．０１モルの割合で重縮合反応させて、数平均分子量が２００００〜７００００で、末端が水酸基とホルメート基とであるポリオキサレートを生成させることを特徴とする高分子量ポリオキサレートの製造方法。  Polycondensation reaction of diaryl oxalate and aliphatic diol at a ratio of 0.99 to 1.01 mole of aliphatic diol with respect to 1 mole of diaryl oxalate, with the water concentration in the reaction raw material ranging from 20 ppm to less than 1000 ppm And producing a polyoxalate having a number average molecular weight of 20,000 to 70,000 and having a hydroxyl group and a formate group at the ends.
JP2003082040A 2002-03-25 2003-03-25 Method for producing high molecular weight polyoxalate Expired - Fee Related JP4100212B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003082040A JP4100212B2 (en) 2002-03-25 2003-03-25 Method for producing high molecular weight polyoxalate

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002082601 2002-03-25
JP2002250620 2002-08-29
JP2003082040A JP4100212B2 (en) 2002-03-25 2003-03-25 Method for producing high molecular weight polyoxalate

Publications (3)

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JP2004143400A JP2004143400A (en) 2004-05-20
JP2004143400A5 true JP2004143400A5 (en) 2005-05-26
JP4100212B2 JP4100212B2 (en) 2008-06-11

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4691934B2 (en) * 2003-09-25 2011-06-01 宇部興産株式会社 High molecular weight polyoxalate resin and method for producing the same
JP2020128449A (en) * 2017-06-20 2020-08-27 東洋製罐グループホールディングス株式会社 Polyoxalate polymerization composition and molded article
KR102082862B1 (en) * 2018-02-02 2020-02-28 케이비에프(주) Foaming composition, manufacturing method of foaming extruded sheet using the same and expandable-molded article manufactured therefrom
CN115490838B (en) * 2021-10-19 2023-09-19 源创核新(北京)新材料科技有限公司 High molecular weight aliphatic polyoxalate and preparation method thereof
CN115477742B (en) * 2021-10-19 2023-12-15 源创核新(北京)新材料科技有限公司 Preparation method of terminal group modified polyoxalate
CN115584107A (en) * 2021-10-19 2023-01-10 源创核新(北京)新材料科技有限公司 Degradable agricultural film containing polyoxalate and preparation method thereof
CN115785406B (en) * 2022-07-04 2023-08-25 新倍斯(杭州)材料科技有限公司 Preparation method of kilogram-level polyethylene glycol oxalate

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