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    • 1. 发明申请
    • (METH)ACRYLATE COPOLYMER FOR SYRUP AND RESIN COMPOSITION THEREOF
    • (METH)丙烯酸酯共聚物,用于其SYRUP和树脂组合物
    • US20100022733A1
    • 2010-01-28
    • US12515757
    • 2007-11-19
    • Tsuyoshi OtaShinichi YukimasaYutaka ObataTomoaki Takebe
    • Tsuyoshi OtaShinichi YukimasaYutaka ObataTomoaki Takebe
    • C08F230/08C08F220/10C08F220/26
    • C08F265/04C08F220/10C08F220/26C08F265/06C08F285/00C08F290/06C08F290/061C08F290/068C08L51/003C08F220/16C08L2666/02
    • The present invention provides a copolymer for syrup, characterized by being formed from (A) 1 to 60 mass % of at least one (meth)acrylate compound selected from among a (meth)acrylate-modified silicone oil, an alkyl (meth)acrylate, a monoalkylene glycol (meth)acrylate, and a polyalkylene glycol (meth)acrylate, and (B) 99 to 40 mass % of a (meth)acrylate compound having a C≧6 alicyclic hydrocarbon group bonded thereto via an ester bond; a (meth)acrylate composition containing a (meth)acrylate monomer and 1 to 60 mass % of the (meth)acrylate copolymer for syrup; and a cured product of the composition. The (meth)acrylate copolymer for syrup of the present invention has excellent solubility, particularly in a (meth)acrylate compound having an alicyclic ester substituent, and a (meth)acrylate resin composition containing the copolymer provides a stable cured product having high transparency and high resistance to UW rays and heat. Thus, the cured product is suitably used as a material for lenses, illumination devices, automobiles, displays, optical-semiconductors, etc.
    • 本发明提供一种用于糖浆的共聚物,其特征在于由(A)1至60质量%的至少一种(甲基)丙烯酸酯改性硅油,(甲基)丙烯酸烷基酯 ,(甲基)丙烯酸单亚烷基二醇酯和(甲基)丙烯酸聚亚烷基二醇酯,(B)99〜40质量%的通过酯键与C> = 6脂环式烃基结合的(甲基)丙烯酸酯化合物; 含有(甲基)丙烯酸酯单体和1〜60质量%的(甲基)丙烯酸酯共聚物的(甲基)丙烯酸酯组合物, 和该组合物的固化产物。 本发明的用于糖浆的(甲基)丙烯酸酯共聚物具有优异的溶解性,特别是在具有脂环族酯取代基的(甲基)丙烯酸酯化合物中,含有共聚物的(甲基)丙烯酸酯树脂组合物提供了具有高透明度的稳定的固化产物, 对UW射线和热量的高抗性。 因此,固化物适合用作透镜,照明装置,汽车,显示器,光半导体等的材料。
    • 2. 发明申请
    • Optical Semiconductor Sealing Material
    • 光学半导体封装材料
    • US20080097072A1
    • 2008-04-24
    • US11718855
    • 2005-11-09
    • Tomoaki TakebeTsuyoshi OtaYutaka ObataHiroyuki Higuchi
    • Tomoaki TakebeTsuyoshi OtaYutaka ObataHiroyuki Higuchi
    • C08G63/00
    • C08F220/10C08F220/18C08F220/28C09J133/14H01L31/0203
    • The present invention provides an optical semiconductor sealing material comprising a radically polymerized polymer of a methacrylate ester having an alicyclic hydrocarbon group containing 7 or more carbon atoms e.g. an adamantyl group, a norbornyl group or a dicyclopentanyl group; and an optical semiconductor sealing material comprising a radically polymerized polymer of 50 to 97 mass % of the methacrylate ester and 3 to 50 mass % of acrylate ester having a hydroxyl group. The optical semiconductor sealing material of the present invention is highly transparent and stable to UV light and thus does not undergo yellowing. In addition, the material exhibits excellent compatibility between heat resistance and refractive index, does not undergo deformation or cracking during heating processes such as reflow soldering, and shows high processability. The material can be preferably used as a sealing material for light-emitting elements and light-receiving elements of optical semiconductor devices (semiconductor light-emitting devices).
    • 本发明提供一种光学半导体密封材料,其包含具有含有7个或更多个碳原子的脂环族烃基的甲基丙烯酸酯的自由基聚合的聚合物,例如 金刚烷基,降冰片基或二环戊基; 以及包含50〜97质量%的甲基丙烯酸酯的自由基聚合物和3〜50质量%的具有羟基的丙烯酸酯的光学半导体密封材料。 本发明的光半导体密封材料高度透明,对紫外光稳定,因此不会发黄。 此外,该材料在耐热性和折射率之间表现出优异的相容性,在诸如回流焊接的加热过程中不会发生变形或开裂,并且显示出高加工性。 该材料可以优选用作光半导体器件(半导体发光器件)的发光元件和光接收元件的密封材料。
    • 5. 发明申请
    • RESIN FOR OPTICAL COMPONENT, RAW MATERIAL COMPOSITION USED FOR RESIN FOR OPTICAL COMPONENT, AND OPTICAL COMPONENT
    • 光学元件用树脂,用于光学元件的树脂的原料组合物和光学组分
    • US20100324246A1
    • 2010-12-23
    • US12667166
    • 2008-06-30
    • Yutaka ObataTakeshi IwasakiTomoaki Takebe
    • Yutaka ObataTakeshi IwasakiTomoaki Takebe
    • C08F120/18C08F230/08
    • C08F220/68C08F222/1006G02B1/04C08L33/10C08L33/08C08L67/00
    • Provided are a resin for an optical component, which has heat resistance, does not suffer from yellowing because of its stability against heat, and is excellent in transparency and workability; a raw material composition used for the resin for an optical component; and an optical component. Specifically, provided is a resin for an optical component containing a (meth)acrylate compound unit (A1), in which a hydrocarbon group containing an adamantane structure is ester-bonded, and a (meth)acrylate compound unit (B1) having a polyfunctional group, which is other than the unit (A1). Also, provided is a raw material composition used for a resin for an optical component, which contains a (meth)acrylate compound (A2) in which a hydrocarbon group containing an adamantane structure is ester-bonded, and a (meth)acrylate compound (B2) having a polyfunctional group, which is other than the compound (A2). Further, provided is an optical component which is obtained by polymerizing and molding the raw material composition.
    • 提供一种光学部件用树脂,其具有耐热性,耐热稳定性不会发黄,并且透明性和加工性优异; 用于光学部件的树脂的原料组合物; 和光学部件。 具体地说,提供了含有(甲基)丙烯酸酯化合物单元(A1)的含有金刚烷结构的烃基酯键合的光学部件用树脂和具有多官能团的(甲基)丙烯酸酯化合物单元(B1) 组(A1)。 另外,作为光学部件用树脂,使用含有金刚烷结构的烃基进行酯键合的(甲基)丙烯酸酯化合物(A2)和(甲基)丙烯酸酯化合物( B2)具有不同于化合物(A2)的多官能团。 此外,提供了通过聚合和成型原料组合物而获得的光学部件。
    • 6. 发明授权
    • Crystalline polypropylene and its moldings and films
    • 结晶聚丙烯及其模制品和薄膜
    • US06639038B2
    • 2003-10-28
    • US09963591
    • 2001-09-27
    • Itaru KuramotoYutaka ObataTsuyoshi OtaToshio IsozakiJunichi AmanoTakashi Sumitomo
    • Itaru KuramotoYutaka ObataTsuyoshi OtaToshio IsozakiJunichi AmanoTakashi Sumitomo
    • C08F11006
    • C08F110/06C08F2500/17C08F2500/03C08F2500/26
    • A first crystalline polypropylene of the present invention satisfies the relationships of the following formulae (1) and (2): &agr;≦−0.42×ln(Mp)+7.3  (1),and Tm>1.85×ln(Mp)+144.5  (2), wherein &agr; is a 0° C. soluble content (% by weight) as measured through programmed-temperature fractionation, Mp is a peak molecular weight in a molecular weight distribution curve as measured through gel permeation chromatography, and Tm is a melting point (° C.) as measured through differential scanning calorimetry. A second crystalline polypropylene of the present invention satisfies the relationship given in the following formula (3): &agr;≦1.11[&eegr;]−0.42+1.40  (3) wherein &agr; is the same as above and [&eegr;] an intrinsic viscosity (dl/g) as measured in a tetralin solvent at 135° C. Moldings and films made of the first or second crystalline polypropylene are highly rigid and have good heat resistance and good scratch resistance.
    • 本发明的第一结晶聚丙烯满足下式(1)和(2)的关系:其中α为通过程序温度分馏法测定的0℃可溶成分(重量%),Mp为峰 通过凝胶渗透色谱法测定的分子量分布曲线中的分子量,Tm是通过差示扫描量热法测定的熔点(℃)。 本发明的第二结晶聚丙烯满足下式(3)中给出的关系:其中α与上述相同,η在135℃下在四氢化萘溶剂中测得的特性粘度(dl / g) 由第一或第二结晶聚丙烯制成的模制品和薄膜是高度刚性的并且具有良好的耐热性和良好的耐擦伤性。
    • 9. 发明申请
    • OPTICAL SEMICONDUCTOR SEALING MATERIAL
    • 光学半导体密封材料
    • US20120305982A1
    • 2012-12-06
    • US13587250
    • 2012-08-16
    • Tomoaki TAKEBETsuyoshi OtaYutaka ObataHiroyuki Higuchi
    • Tomoaki TAKEBETsuyoshi OtaYutaka ObataHiroyuki Higuchi
    • H01L33/56
    • C08F220/10C08F220/18C08F220/28C09J133/14H01L31/0203
    • The present invention provides an optical semiconductor sealing material comprising a radically polymerized polymer of a methacrylate ester having an alicyclic hydrocarbon group containing 7 or more carbon atoms, e.g. an adamantyl group, a norbornyl group, or a dicyclopentanyl group; and an optical semiconductor sealing material comprising a radically polymerized polymer of 50 to 97 mass % of the methacrylate ester and 3 to 50 mass % of acrylate ester having a hydroxyl group. The optical semiconductor sealing material of the present invention is highly transparent and stable to UV light and thus does not undergo yellowing. In addition, the material exhibits excellent compatibility between heat resistance and refractive index, does not undergo deformation or cracking during heating processes such as reflow soldering, and shows high processability. The material can be preferably used as a sealing material for light-emitting elements and light-receiving elements of optical semiconductor devices (semiconductor light-emitting devices).
    • 本发明提供一种光学半导体密封材料,其包含具有含有7个或更多个碳原子的脂环族烃基的甲基丙烯酸酯的自由基聚合的聚合物, 金刚烷基,降冰片基或二环戊基; 以及包含50〜97质量%的甲基丙烯酸酯的自由基聚合物和3〜50质量%的具有羟基的丙烯酸酯的光学半导体密封材料。 本发明的光半导体密封材料高度透明,对紫外光稳定,因此不会发黄。 此外,该材料在耐热性和折射率之间表现出优异的相容性,在诸如回流焊接的加热过程中不会发生变形或开裂,并且显示出高加工性。 该材料可以优选用作光半导体器件(半导体发光器件)的发光元件和光接收元件的密封材料。