公开(公告)号：US06068920A

公开(公告)日：2000-05-30

申请号：US136515

申请日：1998-08-19

申请人： Akihiro Funae ,  Kouichi Uchiki ,  Hideyuki Akieda ,  Yuzo Ono

发明人： Akihiro Funae ,  Kouichi Uchiki ,  Hideyuki Akieda ,  Yuzo Ono

IPC分类号： A61L17/10 ,  A61L17/12 ,  C08G63/08 ,  D01F6/84

CPC分类号： D01F6/84 ,  A61L17/105 ,  A61L17/12 ,  C08G63/08 ,  Y10T428/298

摘要： A random-block copolymer having appropriate hydrolyzability, excellent flexibility and excellent mechanical strength, a monofilament thereof, and a process for producing the copolymer. The random-block copolymer comprises from 5 to 50 mol % of a random copolymer segment containing from 20 to 80 mol % of a lactide unit (A) and from 80 to 20 mol % of a caprolactone unit (B), and from 95 to 50 mol % of a block copolymer segment containing a glycolide unit (C).

摘要翻译： 具有合适的水解性，优异的柔软性和优异的机械强度的无规嵌段共聚物，其单丝和共聚物的制造方法。 无规嵌段共聚物含有5〜50摩尔％的含有20〜80摩尔％丙交酯单元（A）和80〜20摩尔％己内酯单元（B）的无规共聚物链段，95〜 50摩尔％含有乙交酯单元（C）的嵌段共聚物片段。

公开(公告)号：US5437918A

公开(公告)日：1995-08-01

申请号：US145621

申请日：1993-11-04

申请人： Keiko Taniguchi ,  Masahiro Washino ,  Shinobu Moriya ,  Hosei Shinoda ,  Masami Ohtaguro ,  Akihiro Funae ,  Shigeru Iimuro

发明人： Keiko Taniguchi ,  Masahiro Washino ,  Shinobu Moriya ,  Hosei Shinoda ,  Masami Ohtaguro ,  Akihiro Funae ,  Shigeru Iimuro

IPC分类号： C08G63/08 ,  D04H1/42 ,  D04H3/02 ,  D04H3/14 ,  B32B1/02 ,  B32B1/08 ,  B32B1/10 ,  B32B27/02

CPC分类号： D04H3/02 ,  C08G63/08 ,  D04H1/435 ,  D04H1/4382 ,  D04H3/14 ,  Y10T428/31786 ,  Y10T442/697

摘要： A degradable non-woven fabric obtained from an web formed of lactic acid-based polymer filaments comprising of one or more lactic acid-based polymers selected from a poly (DL-lactic acid) having more than 80 mol % of L-lactic acid units, poly (DL-lactic acid) having more than 80 mol % of D-lactic acid units, L-lactic acid/hydroxycarboxylic acid copolymer having 70 mol % or more of L-lactic acid units, and D-lactic acid/hydroxycarboxylic acid copolymer having 70 mol % or more of D-lactic acid units, and a preparation process of the degradable non-woven fabric which has good dimensional stability and can be degraded and disappeared under natural environment when abandoned.

摘要翻译： 从由乳酸类聚合物长丝形成的纤维网得到的可降解无纺布，其包含一种或多种乳酸基聚合物，所述乳酸基聚合物选自具有大于80mol％的L-乳酸单元的聚（DL-乳酸） ，D-乳酸单元多于80摩尔％的聚（DL-乳酸），L-乳酸单元70摩尔％以上的L-乳酸/羟基羧酸共聚物，D-乳酸/羟基羧酸 具有70摩尔％以上的D-乳酸单元的共聚物和可降解无纺布的制备方法，其具有良好的尺寸稳定性，并且在废弃时可以在自然环境下降解和消失。

公开(公告)号：US5663288A

公开(公告)日：1997-09-02

申请号：US553979

申请日：1995-11-06

申请人： Hosei Shinoda ,  Masami Ohtaguro ,  Shigeru Iimuro ,  Akihiro Funae ,  Shinobu Moriya

发明人： Hosei Shinoda ,  Masami Ohtaguro ,  Shigeru Iimuro ,  Akihiro Funae ,  Shinobu Moriya

IPC分类号： C08K5/00 ,  C09J7/02 ,  C08G63/08

CPC分类号： C09J7/0285 ,  C08K5/005 ,  C09J7/0282 ,  C08K5/132 ,  C08K5/3475 ,  C08L2205/02 ,  C08L67/04 ,  C09J2203/306 ,  C09J2205/106 ,  C09J2467/006 ,  Y10T428/28 ,  Y10T428/2852

摘要： Articles matters which can be degraded and disappear in the natural environment are a degradable adhesive film which can be used for surface protection or indication after printing on the film surface and has an adhesive layer on one side of a substrate film obtained from a lactic acid base polymer such as polylactic acid and a lactic acid/hydroxycarboxylic acid copolymer having a molecular weight of 30,000.about.500,000, and a degradable resin composition which is excellent in weatherability and comprises 100 parts by weight of a lactic acid base polymer and 0.001.about.5 parts by weight of one or more additives selected from ultraviolet absorbers and light stabilizers.

摘要翻译： 可以在自然环境中降解和消失的物品是可降解的粘合剂膜，其可以用于在膜表面上印刷之后的表面保护或指示，并且在由乳酸碱获得的基底膜的一侧上具有粘合剂层 聚乳酸，聚乳酸，乳酸/羟基羧酸共聚物等分子量为30,000，差异为500,000，耐候性优异的可降解树脂组合物，含有100重量份乳酸基聚合物，0.001重量份 一种或多种选自紫外线吸收剂和光稳定剂的添加剂的重量。

公开(公告)号：US5489474A

公开(公告)日：1996-02-06

申请号：US113102

申请日：1993-08-30

申请人： Hosei Shinoda ,  Masami Ohtaguro ,  Shigeru Iimuro ,  Akihiro Funae ,  Shinobu Moriya

发明人： Hosei Shinoda ,  Masami Ohtaguro ,  Shigeru Iimuro ,  Akihiro Funae ,  Shinobu Moriya

IPC分类号： C08K5/00 ,  C09J7/02 ,  B32B7/10 ,  C08G63/08

CPC分类号： C09J7/0285 ,  C08K5/005 ,  C09J7/0282 ,  C08K5/132 ,  C08K5/3475 ,  C08L2205/02 ,  C08L67/04 ,  C09J2203/306 ,  C09J2205/106 ,  C09J2467/006 ,  Y10T428/28 ,  Y10T428/2852

摘要： Articles which can be degraded and disappear in the natural environment are a degradable adhesive film which can be used for surface protection or indication after printing on the film surface and has an adhesive layer on one side of a substrate film obtained from a lactic acid base polymer such as polylactic acid and a lactic acid/hydroxycarboxylic acid copolymer having a molecular weight of 30,000-500,000, and a degradable resin composition which is excellent in weatherability and comprises 100 parts by weight of a lactic acid base polymer and 0.001-5 parts by weight of one or more additives selected from ultraviolet absorbers and light stabilizers.

摘要翻译： 可以在天然环境中降解和消失的物品是可降解的粘合剂膜，其可以用于在膜表面上印刷之后的表面保护或指示，并且在由乳酸基聚合物获得的基材膜的一侧上具有粘合剂层 如聚乳酸和分子量为30,000-500,000的乳酸/羟基羧酸共聚物，以及耐候性优异的包含100重量份乳酸基聚合物和0.001-5重量份的可降解树脂组合物 的一种或多种选自紫外线吸收剂和光稳定剂的添加剂。

公开(公告)号：US5412067A

公开(公告)日：1995-05-02

申请号：US235534

申请日：1994-04-29

申请人： Hosei Shinoda ,  Masami Ohtaguro ,  Akihiro Funae ,  Shigeru Iimuro

发明人： Hosei Shinoda ,  Masami Ohtaguro ,  Akihiro Funae ,  Shigeru Iimuro

IPC分类号： C08G63/08 ,  C08G63/06

CPC分类号： C08G63/08

摘要： In the preparation of polyester by conducting ring-opening polymerization of a cyclic ester compound in the presence of a hydroxyl compound as a molecular weight regulator in the reaction system, the molecular weight of polyester can be accurately controlled in the desired range by previously estimating the amount of free carboxylic acid contained in the cyclic ester compound and controlling the amount of the hydroxyl compound on the basis of the estimated amount.

摘要翻译： 通过在反应体系中作为分子量调节剂的羟基化合物的存在下进行环状酯化合物的开环聚合来制备聚酯，通过预先估计聚酯的分子量可以精确地控制在所需范围内 环状酯化合物中所含的游离羧酸的量和基于估计量控制羟基化合物的量。