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1. 发明公开

EP3181602A4 COPOLYMER AND MOLDED ARTICLE 无效
公开(公告)号：EP3181602A4
公开(公告)日：2018-01-17
申请号：EP15832518
申请日：2015-08-12
申请人： KURARAY CO
发明人： ABE TORU , NAKAHARA ATSUHIRO , OZAWA HIROSHI
IPC分类号： C08F220/18 , C08F220/14 , C08F230/02 , C08J5/18
CPC分类号： C08F220/14 , C08J5/18 , C08F2220/1875 , C08F230/02 , C08F220/06
摘要： A copolymer comprising a structural unit (I) derived from a phosphonate monomer (1) such as diethyl methacryloyloxymethyl phosphonate and diethyl 2-methacryloyloxyethyl phosphonate, a structural unit (II) derived from a radical polymerizable monomer (2) such as methacrylic acid, acrylic acid, 8-tricyclo[5.2.1.0 2,6 ]decanyl methacrylate, and t-butyl methacrylate, and a structural unit (III) derived from methyl methacrylate, the content of phosphorus atoms derived from the phosphonate monomer (1) being not less than 1.0% by mass and less than 2.0% by mass relative to the mass of the copolymer, and a formed article comprising the copolymer.

2. 发明公开

EP2998355A4 METHACRYLIC RESIN COMPOSITION AND MOLDED BODY THEREOF 有权
标题翻译：甲基丙烯酸系树脂成型THEREOF
公开(公告)号：EP2998355A4
公开(公告)日：2017-01-25
申请号：EP14797542
申请日：2014-05-16
申请人： KURARAY CO
发明人： TAKAHASHI TORU , NAKAHARA ATSUHIRO , OZAWA HIROSHI , ABE TORU , NOMOTO YUSAKU
IPC分类号： C08L33/10 , C08L23/12 , G02B5/30
CPC分类号： C08L33/10 , C08L23/12 , C08L33/12 , C08L69/00 , C08L2201/10 , C08L2203/16 , C08L2205/025 , C08L2205/03 , G02B5/3083
摘要： A methacrylic resin [1] having a triad syndiotacticity (rr) of not less than 65% and a methacrylic resin [2] having a triad syndiotacticity (rr) of 45 to 58% are melt kneaded in a mass ratio of the methacrylic resin [1]/the methacrylic resin [2] of 40/60 to 70/30, and further melt kneaded preferably with a polycarbonate resin in a ratio of 1 to 10 parts by mass of the polycarbonate resin to the total 100 parts by mass of the methacrylic resin [1] and the methacrylic resin [2] to obtain a methacrylic resin composition.

3. 发明公开

EP3162818A1 METHACRYLIC RESIN OR METHACRYLIC RESIN COMPOSITION 有权
标题翻译： METHACRYLHARZ ODER METHACRYLHARZZUSAMMENSETZUNG
公开(公告)号：EP3162818A1
公开(公告)日：2017-05-03
申请号：EP15815952
申请日：2015-06-30
申请人： KURARAY CO
发明人： NAKAHARA ATSUHIRO , ABE TORU , TAKAHASHI TORU , OZAWA HIROSHI
IPC分类号： C08F20/18 , C08L33/12 , C08L51/04 , C08L69/00
CPC分类号： C08F20/18 , C08F120/14 , C08L33/12 , C08L51/04 , C08L2205/025 , C08L2205/03 , C08L2205/035 , C08L69/00 , C08L19/003
摘要： A methacrylic resin composition comprises not less than 90% by mass and not more than 100% by mass of a methacrylic resin [A] having: the total content of a structural unit derived from methyl methacrylate of not less than 90% by mass; a molecular weight M A of not less than 30000 and not more than 100000 in terms of polystyrene corresponding to the retention time indicating the value of the maximum strength in a chromatogram obtained by gel permeation chromatography; the area S gA of a region enclosed by an approximate curve obtained by fitting the data of a range indicating the strength of not less than 70% relative to the value of the maximum strength to a Gaussian function by the method of nonlinear least squares and the base line of the chromatogram of 45 to 80% of the area S A enclosed by the chromatogram and its base line; and the ratio Mw gA /Mn gA of a weight average molecular weight Mw gA to a number average molecular weight Mn gA of not less than 1.01 and not more than 1.20 in terms of polystyrene computed based on an approximate curve obtained by the above fitting.
摘要翻译：甲基丙烯酸类树脂组合物含有90质量％以上来自甲基丙烯酸甲酯的结构单元的合计含量为90质量％以上且100质量％以下的甲基丙烯酸类树脂[A] 以聚苯乙烯换算的分子量M A为30000以上且100000以下，相当于通过凝胶渗透色谱法得到的色谱图中表示最大强度值的保留时间; 由通过非线性最小二乘法的方法将表示相对于最大强度的值不小于70％的强度的范围的数据拟合成高斯函数而获得的近似曲线包围的区域的面积S gA和色谱图中由色谱图围绕的45％至80％色谱图的基线及其基线; 重均分子量Mw gA相对于数均分子量Mn gA的比例Mw gA / Mn gA以聚苯乙烯换算为1.01以上且1.20以上述拟合得到的近似曲线算出。

4. 发明公开

EP2998328A4 FILM 有权
公开(公告)号：EP2998328A4
公开(公告)日：2016-12-07
申请号：EP14797245
申请日：2014-05-16
申请人： KURARAY CO
发明人： TAKAHASHI TORU , NAKAHARA ATSUHIRO , OZAWA HIROSHI , ABE TORU , NOMOTO YUSAKU
IPC分类号： C08F20/12 , C08F120/14 , C08J5/18 , C08L33/10 , G02B5/30
CPC分类号： C08J5/18 , C08F120/14 , C08J2333/06 , C08J2333/12 , C08J2369/00 , C08L33/10 , C08L33/12 , C08L2205/025 , G02B5/3033 , C08L69/00
摘要： A film is obtained by forming a methacrylic resin composition conmprising 100 parts by mass of a methacrylic resin (A) and preferably 1 to 10 parts by mass of a polycarbonate resin, the methacrylic resin (A) having a triad syndiotacticity (rr) of not less than 58%, a weight average molecular weight of 50000 to 150000, a content of fraction having a molecular weight of not less than 200000 of 0.1 to 10 % by mass and a content of fraction having a molecular weight of less than 15000 of 0.2 to 5 % by mass. A polarizer protective film comprising the above film is obtained.

5. 发明公开

EP3219753A4 METHACRYLIC RESIN COMPOSITION AND MOLDED BODY 有权
公开(公告)号：EP3219753A4
公开(公告)日：2018-07-04
申请号：EP15859624
申请日：2015-11-11
申请人： KURARAY CO
发明人： HIRAOKA NOBUTAKA , ABE TORU , NAKAHARA ATSUHIRO , TAKASUKA YUUKI , OGUSHI MASAYASU
IPC分类号： C08L33/10 , C08J5/18 , C08L69/00 , C08L71/10
CPC分类号： C08J5/18 , C08J2333/10 , C08J2463/00 , C08J2469/00 , C08L33/10 , C08L69/00 , C08L71/10 , G02B1/10
摘要： A methacrylate resin composition containing a methacrylate resin and a phenoxy resin and a film consisting of the same, each having high transparency, small phase differences in a thickness direction, low heat shrinkage rate, high strength and good adhesion properties are provided. The methacrylate resin composition contains a methacrylate resin with a triad syndiotacticity (rr) of equal to or more than 58% and a phenoxy resin, and the content of the phenoxy resin per 100 parts by mass of the methacrylate resin is in a range of 0.1 to 8 parts by mass, and the total content of the methacrylate resin and phenoxy resin is 80 mass% or more.

6. 发明公开

EP3162818A4 METHACRYLIC RESIN OR METHACRYLIC RESIN COMPOSITION 有权
公开(公告)号：EP3162818A4
公开(公告)日：2018-01-24
申请号：EP15815952
申请日：2015-06-30
申请人： KURARAY CO
发明人： NAKAHARA ATSUHIRO , ABE TORU , TAKAHASHI TORU , OZAWA HIROSHI
IPC分类号： C08F20/18 , C08F120/14 , C08L33/12 , C08L51/04 , C08L69/00
CPC分类号： C08F20/18 , C08F120/14 , C08L33/12 , C08L51/04 , C08L2205/025 , C08L2205/03 , C08L2205/035 , C08L69/00 , C08L19/003
摘要： A methacrylic resin composition comprises not less than 90% by mass and not more than 100% by mass of a methacrylic resin [A] having: the total content of a structural unit derived from methyl methacrylate of not less than 90% by mass; a molecular weight M A of not less than 30000 and not more than 100000 in terms of polystyrene corresponding to the retention time indicating the value of the maximum strength in a chromatogram obtained by gel permeation chromatography; the area S gA of a region enclosed by an approximate curve obtained by fitting the data of a range indicating the strength of not less than 70% relative to the value of the maximum strength to a Gaussian function by the method of nonlinear least squares and the base line of the chromatogram of 45 to 80% of the area S A enclosed by the chromatogram and its base line; and the ratio Mw gA /Mn gA of a weight average molecular weight Mw gA to a number average molecular weight Mn gA of not less than 1.01 and not more than 1.20 in terms of polystyrene computed based on an approximate curve obtained by the above fitting.

7. 发明公开

EP2957579A4 COPOLYMER AND MOLDED BODY 失效
标题翻译：共聚物和表体
公开(公告)号：EP2957579A4
公开(公告)日：2016-07-13
申请号：EP13875306
申请日：2013-12-27
申请人： KURARAY CO
发明人： ABE TORU , NAKAHARA ATSUHIRO , KONISHI HIROYUKI , OZAWA HIROSHI
IPC分类号： C08F230/02 , C08F220/14
CPC分类号： C08F220/68 , C08F212/08 , C08F220/10 , C08F220/14 , C08F230/02 , C08F2220/1875 , C08F220/06
摘要： A copolymer comprising a structural unit (I) derived from a phosphonate monomer (1) such as diethyl methacryloyloxymethyl phosphonate, diethyl 2-methacryloyloxyethyl phosphonate and the like, and a structural unit (II) derived from a radical polymerizable monomer (2) such as methacrylic acid, acrylic acid, 8-tricyclo[5.2.1.0 2,6 ]decanyl methacrylate, t-butyl methacrylate and the like, wherein the content of phosphorus atoms from the phosphonate monomer (1) is 2.0 to 6.0 % by mass relative to the mass of the copolymer. A formed article comprising the copolymer.
摘要翻译：包含衍生自膦酸酯单体（1）的结构单元（I）的共聚物，例如甲基丙烯酰氧基甲基膦酸二乙酯，2-甲基丙烯酰氧基乙基膦酸二乙酯等，以及衍生自自由基聚合性单体（2）的结构单元（II），例如甲基丙烯酸，丙烯酸，甲基丙烯酸8-三环[5.2.1.0 2,6]癸基酯，甲基丙烯酸叔丁酯等，其中，膦酸酯单体（1）中的磷原子的含量为2.0〜6.0质量％共聚物的质量。包含该共聚物的成型制品。

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