公开(公告)号：EP1857503B1

公开(公告)日：2010-10-06

申请号：EP06713289.4

申请日：2006-02-08

申请人： KURARAY CO., LTD.

发明人： MAKI, Hideki ,  TANIMOTO, Seiji ,  NAKAMAE, Masato

IPC分类号： C08L33/06 ,  C08F2/24 ,  C08L25/10 ,  C08L29/04 ,  C09D5/02 ,  C09D7/12 ,  C09D125/10 ,  C09D129/04 ,  C09D133/06

CPC分类号： C09D129/04 ,  C08F2/24 ,  C08L29/04 ,  C08L33/06 ,  C09D5/02 ,  C09D133/06 ,  C08L2666/04

摘要： [PROBLEMS] To provide an aqueous emulsion having excellent mechanical stability, pigment compatibility and, when formed into a film, capable of providing excellent film transparency and solvent resistance; and a coating prepared using the aqueous emulsion. [MEANS FOR SOLVING PROBLEMS] An aqueous emulsion comprising: a polymer comprising at least one monomer unit selected from the group consisting of a (meth)acrylate ester monomer unit, a styrene monomer unit and a diene monomer unit as a dispersoid; and (A) a vinyl alcohol polymer having 1.9 mol% or more of a 1,2-glycol bond and a saponification degree of 70 mol% or higher and (B) a surfactant as dispersants, the ratio of (A)/(B) being 50/50 to 95/5 by weight and the average particle diameter of the particles dispersed in the emulsion being 0.5 μm or smaller. A coating prepared using the aqueous emulsion.

公开(公告)号：EP2022813B1

公开(公告)日：2013-07-24

申请号：EP07742517.1

申请日：2007-04-26

申请人： Kuraray Co., Ltd.

发明人： TANIMOTO, Seiji ,  ISOUE, Koichiro ,  TOKOH, Makio ,  MIURA, Tamotsu

IPC分类号： C09D129/14 ,  C09D5/03 ,  C09D177/00

CPC分类号： C08L59/04 ,  C08K3/013 ,  C08K5/0041 ,  C08L77/02 ,  C08L77/04 ,  C09D5/03 ,  C09D5/031 ,  C09D129/14 ,  C09D159/04 ,  Y10T428/31855 ,  C08L2666/20 ,  C08L2666/28 ,  C08L2666/54

摘要： The present invention provides a polyvinyl acetal powder which is excellent in flowability during the coating process when it is applied to a powder coating material. This polyvinyl acetal powder enables to obtain a coating film having good impact resistance and uniformity of thickness (uniformity of coating film thickness). The present invention also provides a powder coating material using the polyvinyl acetal powder. Specifically, the present invention is a polyvinyl acetal powder having an average particle diameter of 10 to 150 µm, a maximum particle diameter of 250 µm or less, and a melt flow rate of 1 to 200 g/10 min. as measured in accordance with JIS K7210: 1999. The present invention also is a powder coating material containing this polyvinyl acetal powder.

公开(公告)号：EP2022813A1

公开(公告)日：2009-02-11

申请号：EP07742517.1

申请日：2007-04-26

申请人： Kuraray Co., Ltd.

发明人： TANIMOTO, Seiji ,  ISOUE, Koichiro ,  TOKOH, Makio ,  MIURA, Tamotsu

IPC分类号： C08J3/12 ,  C09D5/03 ,  C09D7/12 ,  C09D129/14 ,  C09D177/00

CPC分类号： C08L59/04 ,  C08K3/013 ,  C08K5/0041 ,  C08L77/02 ,  C08L77/04 ,  C09D5/03 ,  C09D5/031 ,  C09D129/14 ,  C09D159/04 ,  Y10T428/31855 ,  C08L2666/20 ,  C08L2666/28 ,  C08L2666/54

摘要： The present invention provides a polyvinyl acetal powder which is excellent in flowability during the coating process when it is applied to a powder coating material. This polyvinyl acetal powder enables to obtain a coating film having good impact resistance and uniformity of thickness (uniformity of coating film thickness). The present invention also provides a powder coating material using the polyvinyl acetal powder. Specifically, the present invention is a polyvinyl acetal powder having an average particle diameter of 10 to 150 µm, a maximum particle diameter of 250 µm or less, and a melt flow rate of 1 to 200 g/10 min. as measured in accordance with JIS K7210: 1999. The present invention also is a powder coating material containing this polyvinyl acetal powder.

摘要翻译： 本发明提供一种聚乙烯醇缩醛粉末，其在涂布到粉末涂料时在涂布过程中流动性优异。 该聚乙烯醇缩醛粉末能够得到耐冲击性和厚度均匀性（涂膜均匀性）的涂膜。 本发明还提供了使用聚乙烯醇缩醛粉末的粉末涂料。 具体地说，本发明是平均粒径为10〜150μm，最大粒径为250μm以下，熔体流动速率为1〜200g / 10分钟的聚乙烯醇缩醛粉末。 根据JIS K7210：1999测量。本发明还是含有该聚乙烯醇缩醛粉末的粉末涂料。

公开(公告)号：EP1857503A1

公开(公告)日：2007-11-21

申请号：EP06713289.4

申请日：2006-02-08

申请人： KURARAY CO., LTD.

发明人： MAKI, Hideki ,  TANIMOTO, Seiji ,  NAKAMAE, Masato

IPC分类号： C08L33/06 ,  C08F2/24 ,  C08L25/10 ,  C08L29/04 ,  C09D5/02 ,  C09D7/12 ,  C09D125/10 ,  C09D129/04 ,  C09D133/06

CPC分类号： C09D129/04 ,  C08F2/24 ,  C08L29/04 ,  C08L33/06 ,  C09D5/02 ,  C09D133/06 ,  C08L2666/04

摘要： [Object] To provide an aqueous emulsion which is excellent in mechanical stability and pigment compatibility and further is excellent in film transparency and solvent resistance, and a coating by the use thereof. [Solution Means] The object is achieved by the aqueous emulsion including a polymer having at least one monomer unit selected from the group consisting of a (meth)acrylate ester monomer unit, a styrene monomer unit and a diene monomer unit as a dispersoid, further including a vinyl alcohol polymer (A) having 1.9 mol% or more 1,2-glycol bond and a saponification degree of 70 mol% or more and a surfactant (B) as dispersants, wherein a weight ratio of (A) / (B) is 50/50 to 95/5 and an average particle diameter of dispersed particles is 0.5 µm or less, and the coating by the use thereof.

摘要翻译： 本发明提供机械稳定性和颜料相容性优异的水性乳液，并且还具有优异的膜透明性和耐溶剂性，以及通过其使用的涂层。 [解决方案]本发明的目的是通过包含具有至少一种选自（甲基）丙烯酸酯单体单元，苯乙烯单体单元和作为分散质的二烯单体单元的单体单元的聚合物的水性乳液，进一步 包括具有1.9摩尔％以上的1,2-二醇键，皂化度为70摩尔％以上的乙烯醇系聚合物（A）和作为分散剂的表面活性剂（B），其中（A）/（B ）为50/50〜95/5，分散粒子的平均粒径为0.5μm以下，通过使用涂布。

公开(公告)号：EP1754751A1

公开(公告)日：2007-02-21

申请号：EP05739363.9

申请日：2005-05-16

申请人： Kuraray Co., Ltd., Kurashiki Plant

发明人： TANIMOTO, Seiji ,  FUJIWARA, Naoki

IPC分类号： C08L29/04 ,  C08K5/092 ,  C08L57/10

CPC分类号： C08F261/04 ,  C08K5/092 ,  C08L33/14 ,  C08L51/003 ,  C08L63/00 ,  C09D129/04 ,  C09D151/003 ,  C08L2666/02 ,  C08L2666/04

摘要： Disclosed is a polyvinyl alcohol aqueous dispersion having excellent storage stabilitywhich is capable of forming a coating film with excellent water resistance and transparency even when it is dried at room temperature. Also disclosed are a composition and a coating agent for paper. Specifically disclosed is an aqueous dispersion of a resin which is composed of a polymer containing at least 20 weight% of a vinyl monomer unit (A) having an epoxy group and a vinyl alcohol polymer (B) while having a weight ratio (A)/(B) of 2/100-200/100. The weight ratio of (A) bonded to (B) is not less than 50% relative to the total weight of (A), and the average particle size of the resin determined by dynamic light scattering is not more than 500 nm.

摘要翻译： 本发明提供一种即使在室温下干燥，也能够形成耐水性和透明性优异的涂膜，且保存稳定性优异的聚乙烯醇水性分散液。 还公开了用于纸张的组合物和涂布剂。 具体而言，公开了一种树脂的水性分散体，其由包含至少20重量％的具有环氧基的乙烯基单体单元（A）和乙烯醇聚合物（B）的聚合物构成，同时具有重量比（A）/ （B）2 / 100-200 / 100。 与（B）结合的（A）的重量比相对于（A）的总重量不少于50％，并且通过动态光散射测定的树脂的平均粒径不超过500nm。