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1. 发明专利

JP2006291144A Water-absorbing elastic body 审中-公开
标题翻译：吸水弹性体
公开(公告)号：JP2006291144A
公开(公告)日：2006-10-26
申请号：JP2005117441
申请日：2005-04-14
申请人： Mitsui Chemicals Inc , 三井化学株式会社
发明人： KITSUKA HISAFUMI , SHINODA NORIMASA , KASHIMA TAKESHI
IPC分类号： C08L67/00 , A01G27/00 , A61F13/49 , A61F13/53 , A61L15/60 , B01J20/26 , C08L77/00 , C08L79/08
摘要： PROBLEM TO BE SOLVED: To provide a polymer composition which exhibits excellent mechanical strength and high water-absorption during use, and exhibits excellent degradability after disposal.
SOLUTION: The polymer composition comprises a cross-linked aliphatic polyester and a cross-linked polyamino acid. Specifically, the cross-linked aliphatic polyester contains a polymer unit expressed by general formula (1) -(CH
2 CH
2 O-)
n - (wherein, n is 2-10). In another embodiment of the polymer composition, the polyster is expressed by the formula (1) wherein n is 2-3, and a cross-linked polyaspartic acid is used as the cross-linked polyamino acid. The polymer composition can be produced by mixing and cross-linking the aliphatic polyester containing an aliphatic unsaturated polybasic acid, and the cross-linked polyamino acid.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种在使用中表现出优异的机械强度和高吸水性的聚合物组合物，并且在处理后表现出优异的降解性。解决方案：聚合物组合物包含交联的脂族聚酯和交联的聚氨基酸。具体地说，交联脂肪族聚酯含有由通式（1）表示的聚合物单元 - （CH 2 CH O - ） n - （其中，n为2-10）。在聚合物组合物的另一个实施方案中，聚酯由式（1）表示，其中n为2-3，交联聚天冬氨酸用作交联聚氨基酸。聚合物组合物可以通过混合和交联含有脂族不饱和多元酸的脂族聚酯和交联的聚氨基酸来制备。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2004259573A Electrical insulating material 有权
公开(公告)号：JP2004259573A
公开(公告)日：2004-09-16
申请号：JP2003048431
申请日：2003-02-26
申请人： Mitsui Chemicals Inc , 三井化学株式会社
发明人： TAZANE YOSHIRO , SHINODA NORIMASA , KASHIMA TAKESHI , KATO KOZO
IPC分类号： C08L67/04 , C08L101/16 , H01B3/42 , H01B3/44
摘要： PROBLEM TO BE SOLVED: To provide an electrical insulating material for high-voltage with a high dielectric breakdown voltage and flexibility.
SOLUTION: The high-voltage use electrical insulating material includes a resin composition composed of 1 to 50 wt.% of aliphatic polyester having 0 to 20 mol% of repetition structural units including aliphatic unsaturated bonds, with a melting point and glass transition temperature (Tg) of 25°C or less, and 99 to 50 wt.% of polylactic acid group resin having Tg of 35°C or more. The electrical insulating material is excellent in an electric insulation property, so that it can be widely utilized in various fields.
COPYRIGHT: (C)2004,JPO&NCIPI

3. 发明专利

JP2006089750A Biodegradable elastomer 有权
标题翻译：生物可降解弹性体
公开(公告)号：JP2006089750A
公开(公告)日：2006-04-06
申请号：JP2005299656
申请日：2005-10-14
申请人： Mitsui Chemicals Inc , 三井化学株式会社
发明人： KASHIMA TAKESHI , HIGUCHI CHOJIRO , MINAZU HIROSHI , AJIOKA MASANOBU
IPC分类号： C08G63/91 , A01K85/00 , C08L101/16
摘要： PROBLEM TO BE SOLVED: To provide a biodegradable elastomer which is perfectly degraded under the natural environment, compost condition or hydrolyzable condition in spite of not containing a food raw material as a base polymer, has the same softness and transparency as those of conventional elastomers obtained by adding plasticizers to polyvinyl chloride or polyvinyl acetate, and can be used for biodegradable soft lures.
SOLUTION: This method for producing a biodegradable elastomer having a hardness of ≤80 is characterized by cross-linking an aliphatic polyester which is an amorphous polymer having a glass transition temperature of ≤25°C or a crystal polymer having a melting point of ≤25°C, is obtained by polycondensing an aliphatic unsaturated polybasic acid or a mixture of the aliphatic unsaturated polybasic acid with an aliphatic polybasic acid as a polybasic acid with an aliphatic polyhydric alcohol, contains the aliphatic unsaturated polybasic acid as a polymer constituent, and has a weight-average mol. wt. of ≥15,000.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供在天然环境下完全降解的生物可降解弹性体，尽管不含作为基础聚合物的食品原料，堆肥条件或水解条件具有与以下相同的柔软度和透明度通过将增塑剂添加到聚氯乙烯或聚乙酸乙烯酯中获得的常规弹性体，并且可用于可生物降解的软诱剂。解决方案：制造硬度为≤80的生物可降解弹性体的方法的特征在于将作为玻璃化转变温度≤25℃的无定形聚合物的脂族聚酯或具有熔点的结晶聚合物通过使脂肪族不饱和多元酸或脂肪族不饱和多元酸与作为多元酸的脂族多元酸与脂肪族多元醇的混合物缩聚而得到，含有脂肪族不饱和多元酸作为聚合物成分，并具有重均分子量。重量。 ≥15,000。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2004002683A Biodegradable resin composition and molded product thereof 有权
公开(公告)号：JP2004002683A
公开(公告)日：2004-01-08
申请号：JP2003025475
申请日：2003-02-03
申请人： Mitsui Chemicals Inc , 三井化学株式会社
发明人： SHINODA NORIMASA , KASHIMA TAKESHI , KUROKI TAKAYUKI , TAKEHARA AKINOBU , OBUCHI SEIJI
IPC分类号： C08L67/06 , C08F299/02 , C08G69/40 , C08J5/18 , C08K5/00 , C08K5/05 , C08K5/09 , C08K5/14 , C08L1/12 , C08L29/04 , C08L67/00 , C08L67/02 , C08L67/04 , C08L77/00 , C08L77/08 , C08L101/00 , C08L101/12 , C08L101/16
CPC分类号： C08L67/02 , C08G69/40 , C08J5/18 , C08J2367/04 , C08K5/00 , C08K5/14 , C08L1/12 , C08L29/04 , C08L67/00 , C08L67/04 , C08L67/06 , C08L77/00 , C08L101/00 , C08L2201/06 , C08L2666/02 , C08L2666/14
摘要： PROBLEM TO BE SOLVED: To provide a resin composition capable of desirably used for a biodegradable material which is excellent in flexibility, heat resistance, and transparency, does not suffer from bleed of low-molecular-weight compounds such as a plasticizer, and undergoes little change in properties with time. SOLUTION: The biodegradable resin composition is (AA) a resin composition comprising (A) an aliphatic polyester or an aliphatic polyamide, (B) a plastic having a melting point or a glass transition temperature (Tg) of -10°C or higher, and (C) a radical generator, wherein the compositional ratio among component A, component B, and component C is such that, based on the total weight of the components, component A accounts for 1-98.995 wt.%, component B accounts for 98.995-1 wt.%, and the radical generator C accounts for 0.005-5 wt.%, and (a) an aliphatic unsaturated polybasic acid is contained as a polymer constituent of at least either component A or component B. COPYRIGHT: (C)2004,JPO

5. 发明专利

DE602005027814D1 COPOLYMER ENTHALTENDE ZUSAMMENSETZUNG AUF BASIS VON ALIPHATISCHEM POLYESTERHARZ 未知
公开(公告)号：DE602005027814D1
公开(公告)日：2011-06-16
申请号：DE602005027814
申请日：2005-02-09
申请人： MITSUI CHEMICALS INC
发明人： SHINODA HOSEI , KASHIMA TAKESHI , ENNA MASAHIRO , KOJOH SHINICHI , KANEKO HIDEYUKI , MATSUO SHINGO , KAWAHARA NOBUO , MATSUGI TOMOAKI , MATSUDA YUICHI , ONOGI TAKAYUKI , KAGEYAMA FUMIO
IPC分类号： C08L67/00 , C08L23/00 , C08L23/02 , C08L51/06 , C08L53/00 , C08L67/02 , C08L69/00

6. 发明专利

DE69430291T2 未知
公开(公告)号：DE69430291T2
公开(公告)日：2002-10-24
申请号：DE69430291
申请日：1994-11-15
申请人： MITSUI CHEMICALS INC
发明人： KAMEOKA TAIJI , KASHIMA TAKESHI , AJIOKA MASANOBU , YAMAGUCHI AKIHIRO , SUZUKI KAZUHIKO
IPC分类号： B32B27/10 , B32B27/36 , C08G63/16 , C08G63/60 , C08G63/81 , C08L67/00 , C08L67/02 , D04H1/42 , D04H13/00 , D06N7/04 , B32B23/08
摘要： Formed products such as foams, fabrics for industrial materials, filaments, nonwoven fabrics, composite materials and films which are degradable after use with ease in the natural environment are prepared by using a high molecular weight aliphatic polyester obtained by direct polycondensation of an aliphatic polyhydric alcohol with aliphatic polybasic acid or additionally hydroxycarboxylic acid or oligomers of these materials in a reaction mixture containing a solvent. Foams have excellent thermal insulation and strength; fabrics are excellent in thermal insulation, strength and elongation and can be used for industrial materials; filaments have sufficient strength, flexibility and degradability in a living body and can be used for bioabsorbable surgical filament and fishing lines; nonwoven fabrics can be obtained by bonding a web of filaments and have excellent strength and feeling; composite materials can be prepared by adhering or impregnating fiber, paper, film and others of cellulosics and have excellent strength and water resistance, good flexibility and folding resistance, simultaneously have degradability in the natural environment, and can dissolve polymer films on the surface with ease under alkaline conditions to recover cellulosics alone; and films are excellent in heat resistance and strength.

7. 发明专利

DE69610727T2 未知
公开(公告)号：DE69610727T2
公开(公告)日：2001-05-23
申请号：DE69610727
申请日：1996-03-12
申请人： MITSUI CHEMICALS INC
发明人： HIGUCHI CHOJIRO , SUIZU HIROSHI , TAKAGI MASATOSHI , KASHIMA TAKESHI , TERADO YUJI , KITADA IKUMI , AJIOKA MASANOBU , YAMAGUCHI AKIHIRO , KAMEOKA TAIJI
IPC分类号： C08B3/16 , C08B13/00 , C08B31/02 , C08G63/664 , C08G63/672 , C08G63/81 , C08B3/00
摘要： The invention is a preparation process of a degradable copolymer comprising carrying out dehydration polycondensation of polysaccharide (A) with one or more compounds (B) selected from the group consisting of: (b1) hydroxycarboxylic acid, (b2) polyhydroxycarboxylic acid, (b3) aliphatic polyhydric alcohol arid aliphatic polybasic acid, and (b4) aliphatic polyester derived from aliphatic polyhydric alcohol and aliphatic polybasic acid. According to the process of the invention, a copolymer having a high molecular weight, excellent toughness, transparency and heat resistance, and additionally having a high melt tension can be obtained with a reaction time less than a half of the conventional process. The copolymer obtained by the invention is a material suited for injection molding, extrusion, calendaring, blow forming, balloon forming, vacuum forming and foaming. Particularly, the copolymer obtained by the invention has a high melt tension and thus the molten copolymer is difficult to sag and flow and can be processed with ease into foams and blow bottles.

8. 发明专利

DE69610727D1 未知
公开(公告)号：DE69610727D1
公开(公告)日：2000-11-30
申请号：DE69610727
申请日：1996-03-12
申请人： MITSUI CHEMICALS INC
发明人： HIGUCHI CHOJIRO , SUIZU HIROSHI , TAKAGI MASATOSHI , KASHIMA TAKESHI , TERADO YUJI , KITADA IKUMI , AJIOKA MASANOBU , YAMAGUCHI AKIHIRO , KAMEOKA TAIJI
IPC分类号： C08B3/16 , C08B13/00 , C08B31/02 , C08G63/664 , C08G63/672 , C08G63/81 , C08B3/00
摘要： The invention is a preparation process of a degradable copolymer comprising carrying out dehydration polycondensation of polysaccharide (A) with one or more compounds (B) selected from the group consisting of: (b1) hydroxycarboxylic acid, (b2) polyhydroxycarboxylic acid, (b3) aliphatic polyhydric alcohol arid aliphatic polybasic acid, and (b4) aliphatic polyester derived from aliphatic polyhydric alcohol and aliphatic polybasic acid. According to the process of the invention, a copolymer having a high molecular weight, excellent toughness, transparency and heat resistance, and additionally having a high melt tension can be obtained with a reaction time less than a half of the conventional process. The copolymer obtained by the invention is a material suited for injection molding, extrusion, calendaring, blow forming, balloon forming, vacuum forming and foaming. Particularly, the copolymer obtained by the invention has a high melt tension and thus the molten copolymer is difficult to sag and flow and can be processed with ease into foams and blow bottles.

9. 发明专利

DE69434579D1 未知
公开(公告)号：DE69434579D1
公开(公告)日：2006-01-26
申请号：DE69434579
申请日：1994-03-30
申请人： MITSUI CHEMICALS INC
发明人： KASHIMA TAKESHI , KAMEOKA TAIJI , HIGUCHI CHOJIRO , AJIOKA MASANOBU , YAMAGUCHI AKIHIRO
IPC分类号： C08G63/16 , C08G63/60 , C08G63/81
摘要： A preparation process of aliphatic polyester having a weight average molecular weight of 15,000 or more by conducting a direct polycondensation reaction of an aliphatic polyhydric alcohol or a mixed aliphatic polyhydric alcohol and an aliphatic polybasic acid or a mixed aliphatic polybasic acid, or additionally a hydroxycarboxylic acid or a mixed hydroxycarboxylic acid or an oligomer of the hydroxycarboxylic acid in a reaction mixture containing an organic solvent. The aliphatic polyester thus obtained contains an extremely small amount of impurities, has low color and can exhibit satisfactory strength in the form of films, filaments and other shaped articles.

10. 发明专利

DE69716815T2 未知
公开(公告)号：DE69716815T2
公开(公告)日：2003-07-03
申请号：DE69716815
申请日：1997-06-03
申请人： MITSUI CHEMICALS INC
发明人： HIGUCHI CHOJIRO , TAKAGI MASATOSHI , KASHIMA TAKESHI , AJIOKA MASANOBU , TERADO YUJI
IPC分类号： C08F2/46 , C08G63/52 , C08G63/676 , C08G63/81
摘要： The invention provides a biodegradable aliphatic polyester elastomer which has rubber-like elasticity, hardness of 80 or less in accordance with ASTM D 676-58T, and elastic modulus from 1 x 10 Pa to 1 x 10 Pa at 25 DEG C, and decomposes with ease in the natural environment, under composting conditions or under hydrolysis conditions. The biodegradable aliphatic elastomer of the invention can be obtained by crosslinking aliphatic polyester containing aliphatic unsaturated polybasic acid as a polymer constituting ingredient and having a weight average molecular weight of 15,000 or more.

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