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    Cellulose acetates and process for producing the cellulose acetates
    3.
    发明授权
    Cellulose acetates and process for producing the cellulose acetates 有权
    乙酸纤维素和乙酸纤维素的生产方法

    公开(公告)号：US06803458B2

    公开(公告)日：2004-10-12

    申请号：US10239628

    申请日：2002-09-20

    申请人： Toru Ozaki ,  Hirofumi Sasai ,  Hiroki Taniguchi ,  Michiyo Nakai ,  Shinsuke Suzuki

    发明人： Toru Ozaki ,  Hirofumi Sasai ,  Hiroki Taniguchi ,  Michiyo Nakai ,  Shinsuke Suzuki

    IPC分类号： C08B306

    CPC分类号： C08B3/06

    摘要： The present invention provides a cellulose acetate satisfying at least one requirement selected from the following requirements (A), (B) and (C), provided that the case where (B) alone is satisfied is excluded. Requirement (A): Bright spotty matters in sizes of 20 &mgr;m or more are not more than 20 units/mm3. Requirement (B): Blocking constant (K) is not more than 60. Requirement (C): The ratio (G′/G″) of storage modulus (G′) to loss modulus (G″) at a measuring frequency of 0.016 Hz is not more than 0.2.

    摘要翻译： 本发明提供满足以下要求（A），（B）和（C）中至少一个要求的乙酸纤维素乙酸酯，只要满足（B）的情况即被排除。要求（A）：亮点 尺寸为20um或更大的物质不超过20单位/ mm 3。要求（B）：阻塞常数（K）不大于60.要求（C）：比例（G'/ G“ 在0.016Hz的测量频率下的储能模量（G'）与损耗模量（G“）不大于0.2。

    ALIPHATIC COPOLYMER, PRODUCTION PROCESS, ALIPHATIC POLYESTER RESIN COMPOSITION, VARIOUS USES, COATING COMPOSITION, AND AGRICULTURAL OR HORTICULTURAL PARTICULATE COMPOSITION COMPRISING DEGRADABLE COATING FILM
    4.
    发明授权
    ALIPHATIC COPOLYMER, PRODUCTION PROCESS, ALIPHATIC POLYESTER RESIN COMPOSITION, VARIOUS USES, COATING COMPOSITION, AND AGRICULTURAL OR HORTICULTURAL PARTICULATE COMPOSITION COMPRISING DEGRADABLE COATING FILM 失效
    二次共聚物，生产方法，聚氨酯树脂组合物，各种用途，涂料组合物和包含可降解涂料膜的农业或农业颗粒组合物

    公开(公告)号：US06509440B1

    公开(公告)日：2003-01-21

    申请号：US09600242

    申请日：2000-09-14

    申请人： Masanori Sakane ,  Michiyo Nakai ,  Kunio Shimizu ,  Yasuteru Kajikawa ,  Masaaki Ito

    发明人： Masanori Sakane ,  Michiyo Nakai ,  Kunio Shimizu ,  Yasuteru Kajikawa ,  Masaaki Ito

    IPC分类号： C08L6700

    CPC分类号： C08G63/78 ,  C08G18/4277 ,  C08G18/4286 ,  C08G18/631 ,  C08G18/728 ,  C08G63/00 ,  C08G63/08 ,  C08G63/912 ,  C08G2230/00 ,  C09D167/04 ,  C09D175/04 ,  Y10T428/164 ,  C08L2666/02

    摘要： In the present invention, there are obtained aliphatic polyesters having a controlled thermal decomposing property, hydrolizability, and biodegradability, in which OH terminals and COOH terminals are decreased to 50% and 30%, respectively, through a ring-opening polymerization of a lactone and lactide by a mono alcohol having a high boiling point or a metal alkoxide, or by further decreasing both terminals through combining produced polymer terminals with a diisocyanate and, from a composition containing the polyesters, there is obtained a particle-state composition for agriculture and gardening in which a duration period of a fertilizing effect can be controlled, and which is not remained in soil by decomposition. From a resin primarily containing fatty acid cellulose ester derivatives, there are obtained a base film for a marking film which does not include a problem such as volatilization and migration of a plasticizer and a picture image formable heat-sensitive transfer recording material which is excellent in strippability, coloring concentration, and brightness, a conductive coating composition which is excellent in storage stability, adhesion, and conductivity, a single-liquid type coating and a moisture-curable graft copolymer, and a coating composition which have a non toxicity and nonirritating property and which are excellent in dryability. A copolymer in which average chain length in lactone and lactide units are controlled is excellent in heat resistance and impact resistance.

    摘要翻译： 在本发明中，通过内酯的开环聚合，得到具有受控的热分解性，水解性和生物降解性的脂肪族聚酯，其中OH末端和COOH末端分别降低至50％和30％ 通过具有高沸点的单醇或金属醇盐的丙交酯，或者通过将产生的聚合物末端与二异氰酸酯组合而进一步减少两个末端，并且从含有聚酯的组合物获得农业和园艺的颗粒状组合物 可以控制施肥持续时间，并且不会被分解留在土壤中。 从主要含有脂肪酸纤维素酯衍生物的树脂，得到不含有增塑剂的挥发，迁移，图像形成性热敏转印记录材料等的问题的标记膜用基膜， 剥离性，着色浓度和亮度，保存稳定性，粘合性和导电性优异的导电性涂料组合物，单液型涂布和湿润性接枝共聚物，以及具有非毒性和无刺激性的涂料组合物 并且其干燥性优异。 控制内酯和丙交酯单元的平均链长的共聚物的耐热性和耐冲击性优异。