公开(公告)号：US5115067A

公开(公告)日：1992-05-19

申请号：US504105

申请日：1990-04-04

申请人： Kazuo Yagi ,  Akinori Toyota

发明人： Kazuo Yagi ,  Akinori Toyota

IPC分类号： C08J5/18 ,  C08L23/06 ,  C08L23/08 ,  C08L91/06 ,  D01F6/30

CPC分类号： D01F6/30 ,  C08J5/18 ,  C08L23/0815 ,  C08J2323/08 ,  C08L2203/12 ,  C08L2314/02 ,  C08L91/06 ,  Y10S428/902

摘要： Disclosed is a molecularly oriented molded body of an ultra-high-molecular-weight ethylene/.alpha.-olefin copolymer having an intrinsic viscosity (.eta.) of at least 5 dl/g and such a content of an .alpha.-olefin having at least 3 carbon atoms that the number of molecules of the .alpha.-olefin is 0.1 to 15 on the average per 1000 carbon atoms, wherein the molded body shows at least two crystal fusion endothermic peaks when the measurement is conducted in the restraint state by using a differential scanning calorimeter, the molded body has at least one crystal fusion endothermic peak (Tp) at a temperature higher by at least 20.degree. C. than the inherent crystal fusion temperature (Tm) of the ultra-high-molecular-weight ethylene/.alpha.-olefin copolymer determined as the main fusion endothermic peak at the time of the second elevation of the temperature, and the quantity of heat based on said crystal fusion endothermic peak (Tp) is at least 15% based on the total fusion heat quantity.

公开(公告)号：US4968765A

公开(公告)日：1990-11-06

申请号：US239685

申请日：1988-09-02

申请人： Kazuo Yagi ,  Akinori Toyota

发明人： Kazuo Yagi ,  Akinori Toyota

IPC分类号： B29C55/00 ,  D01F6/04 ,  D01F6/30 ,  D01F6/46 ,  H05K1/03

CPC分类号： D01F6/30 ,  B29C55/005 ,  B29C43/003 ,  B29K2023/06 ,  B29K2995/0077 ,  B29K2995/0088 ,  H05K1/032 ,  Y10S428/902 ,  Y10T428/2913

摘要： Disclosed is a molecularly oriented molded body of an ultra-high-molecular-weight ethylene/polyene copolymer having an intrinsic viscosity (.eta.) of at least 5 dl/g and such a content of a polyene that the number of molecules of the polyene is 0.01 to 15 on the average per 1000 carbon atoms, wherein the molded body shows at least two crystal fusion endothermic peaks when the measurement is conducted in the restraint state by using a differential scanning calorimeter, the molded body has at least one crystal fusion endothermic peak (Tp) at a temperature higher by at least 20.degree. C. than the inherent crystal fusion temperature (Tm) of the ultra-high-molecular-weight ethylene/polyene copolymer determined as the main fusion endothermic peak at the time of the second elevation of the temperature, and the quantity of heat based on said crystal fusion endothermic peak (Tp) is at least 15% based on the total fusion heat quantity.

公开(公告)号：US5807801A

公开(公告)日：1998-09-15

申请号：US856290

申请日：1997-05-14

申请人： Toshiyuki Tsutsui ,  Akinori Toyota ,  Norio Kashiwa

发明人： Toshiyuki Tsutsui ,  Akinori Toyota ,  Norio Kashiwa

IPC分类号： B01J31/00 ,  B01J37/00 ,  C08F4/60 ,  C08F4/648 ,  C08F4/655 ,  C08F4/656 ,  C08F10/00 ,  C08F9/02

CPC分类号： C08F10/00 ,  C08F210/16 ,  C08F210/18 ,  C08F4/65912 ,  Y10S526/943

摘要： Presence of a catalyst formed from (A) a transition metal compound comprising (A-1) a transition metal atom, (A-2) a hetero atom-containing ligand containing a heteroatom selected from oxygen, sulfur, nitrogen and phosphorus capable of forming a bond with the transition metal atom, and (A-3) a ligand having a conjugated .pi. electron through which the ligand can be bonded to the transition metal atom (A-1), and (B) an aluminoxane. The transition metal compound is pre-treated with (C) an organometallic compound, or (D) a halogen-containing inorganic compound of an element of Group III, IV or V of the periodic table in an organic solvent.

摘要翻译： 存在由（A）过渡金属化合物形成的催化剂，该过渡金属化合物包含（A-1）过渡金属原子，（A-2）含有能够形成的含氧，硫，氮和磷的杂原子的含杂原子的配体 与过渡金属原子的键，和（A-3）具有共轭π电子的配体，配体可以通过其与过渡金属原子（A-1）键合，和（B）铝氧烷。 过渡金属化合物在有机溶剂中用（C）有机金属化合物或（D）元素周期表第III，IV或V族元素的含卤素的无机化合物进行预处理。

公开(公告)号：US5763517A

公开(公告)日：1998-06-09

申请号：US721272

申请日：1996-09-26

申请人： Sanehiro Yamamoto ,  Kazuto Sugiyama ,  Akinori Toyota ,  Yoshikatsu Amimoto ,  Fumitoshi Ikejiri

发明人： Sanehiro Yamamoto ,  Kazuto Sugiyama ,  Akinori Toyota ,  Yoshikatsu Amimoto ,  Fumitoshi Ikejiri

IPC分类号： C08F255/02 ,  C08F255/08 ,  C08F279/00 ,  C08F283/14 ,  C08K5/13 ,  C08K5/36 ,  C08K5/372 ,  C08L23/26 ,  C08L51/04 ,  C08L51/06 ,  C08L77/00 ,  C08L77/06

CPC分类号： C08L51/06 ,  C08F255/02 ,  C08F255/08 ,  C08F279/00 ,  C08F283/14 ,  C08K5/13 ,  C08K5/372 ,  C08L51/04 ,  C08L77/00 ,  C08L77/06

摘要： The thermoplastic resin composition of the present invention comprises (A) polyamide having a melting point of not lower than 280.degree. C., particularly preferably (A-1) specific polyamide having a melting point of higher than 300.degree. C., (B) a specific modified polymer, (C) a hindered phenol type antioxidant having a molecular weight of not less than 500 and a TGA 10% weight loss temperature of not lower than 300.degree. C., and (D) a sulfur type antioxidant having a molecular weight of not less than 600 and a TGA 10% weight loss temperature of not lower than 280.degree. C. The molded product of the present invention is made of the above-mentioned thermoplastic resin composition. The thermoplastic resin composition of the invention is excellent in heat stability.

摘要翻译： 本发明的热塑性树脂组合物包含（A）熔点不低于280℃的聚酰胺，特别优选熔点高于300℃的（A-1）特定聚酰胺，（B） 特定的改性聚合物，（C）分子量不小于500的TGA 10％失重温度不低于300℃的受阻酚型抗氧化剂，（D）具有分子量 重量不低于600，TGA 10％重量减少温度不低于280℃。本发明的成型产品由上述热塑性树脂组合物制成。 本发明的热塑性树脂组合物的热稳定性优良。

公开(公告)号：US5585433A

公开(公告)日：1996-12-17

申请号：US431012

申请日：1995-04-28

申请人： Sanehiro Yamamoto ,  Toshio Kimura ,  Takasi Nakagawa ,  Akinori Toyota

发明人： Sanehiro Yamamoto ,  Toshio Kimura ,  Takasi Nakagawa ,  Akinori Toyota

IPC分类号： C08L23/08 ,  C08L65/00 ,  C08L77/00

CPC分类号： C08L65/00 ,  C08L23/08 ,  C08L77/00

摘要： The cycloolefin resin compositions of the present invention comprise:[A] cycloolefin resin selected from (a-1) a cycloolefin random copolymer having recurring units derived from a cycloolefin of a specific structure, (a-2) a ring opening (co)polymer of the cycloolefin, (a-3) a hydrogenation product of the ring opening (co)polymer and (a-4) a graft-modified product of the random copolymer (a-1), the ring opening (co)polymer (a-2) and the hydrogenation product thereof (a-3);[B] at least one of (b-1) an unmodified elastomer, (b-2) a modified elastomer, (b-3) an unmodified crystalline polyolefin and (b-4) a modified crystalline polyolefin; and[C] a polyamide resin. Molded products formed from these cycloolefin resin compositions are excellent particularly in resistance to greases.

公开(公告)号：US5247031A

公开(公告)日：1993-09-21

申请号：US606628

申请日：1990-10-31

申请人： Mamoru Kioka ,  Masao Nakano ,  Akinori Toyota

发明人： Mamoru Kioka ,  Masao Nakano ,  Akinori Toyota

IPC分类号： C08F10/00

CPC分类号： C08F10/00 ,  Y10S526/904

摘要： A catalyst component (X") obtained by treating an olefin polymerization catalyst (X) formed from (A) a solid titanium catalyst component comprising magnesium, titanium, halogen and an electron donor as essential ingredients, (B) an organoaluminum compound catalyst component, and as required, (C) an electron donor with an alpha-olefin by preliminarily polymerizing the alpha-olefin in an amount of 0.1 to 500 g per gram of the solid titanium catalyst component (A) in the presence of said catalyst (X), and contacting the treated catalyst (X') with at least 0.1 mole, per gram-atom of titanium in the treated catalyst (X'), of oxygen. A process for producing the olefin polymerization catalyst component. A catalyst (Y) for olefin polymerization formed from [I] the above catalyst component (X"), [II] an organoaluminum compound catalyst component and as required [III] an electron donor. Also provided is a process for polymerizing olefins in the presence of the olefin polymerization catalyst (Y).

摘要翻译： 通过处理由（A）包含镁，钛，卤素和电子给体的固体钛催化剂组分形成的烯烃聚合催化剂（X）获得的催化剂组分（X“）作为必要成分，（B）有机铝化合物催化剂组分 和（C）通过在所述催化剂（X）存在下，每克固体钛催化剂组分（A）预先聚合0.1至500g的α-烯烃的聚合方法，（C）具有α-烯烃的电子给体 ），并且使经处理的催化剂（X'）与经处理的催化剂（X'）中的每克原子钛至少0.1摩尔的氧接触。 一种生产烯烃聚合催化剂组分的方法。 由[I]上述催化剂组分（X“），[II]有机铝化合物催化剂组分和所需的[III]电子给体形成的用于烯烃聚合的催化剂（Y）。 还提供了在烯烃聚合催化剂（Y）存在下使烯烃聚合的方法。

公开(公告)号：US5218071A

公开(公告)日：1993-06-08

申请号：US900784

申请日：1992-06-22

申请人： Toshiyuki Tsutsui ,  Ken Yoshitsugu ,  Akinori Toyota

发明人： Toshiyuki Tsutsui ,  Ken Yoshitsugu ,  Akinori Toyota

IPC分类号： C08F4/659 ,  C08F4/6592 ,  C08F10/06 ,  C08F110/06 ,  C08F210/06 ,  C08F210/08 ,  C08F210/16

CPC分类号： C08F10/06 ,  C08F210/08 ,  C08F210/16 ,  C08F110/06 ,  C08F210/06 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65927 ,  Y10S526/943

摘要： In accordance with the present invention, there are provided ethylene copolymers composed of structural units (a) derived from ethylene and structural units (b) derived from .alpha.-olefin of 3.about.20 carbon atoms, said ethylene copolymers having[A] a density of 0.85.about.0.92 g/cm.sup.3,[B] an intrinsic viscosity [.eta.] as measured in decalin at 135.degree. C. of 0.1.about.10 dl/g,[C] a ratio (Mw/Mn) of a weight average molecular weight (Mw) to a number average molecular weight (Mn) as measured by GPC of 1.2.about.4, and[D] a ratio (MFR.sub.10 /MFR.sub.2) of MFR.sub.10 under a load of 10 kg to MFR.sub.2 under a load of 2.16 kg at 190.degree. C. of 8.about.50, and being narrow in molecular weight distribution and excellent in flowability.

摘要翻译： 根据本发明，提供由乙烯衍生的结构单元（a）和衍生自碳原子数3〜20的α-烯烃的结构单元（b）组成的乙烯共聚物，所述乙烯共聚物的[A]密度为 0.85差异0.92g / cm 3，[B]在135℃的十氢化萘中测得的特性粘度η为0.1Dd / g，[C]重均分子的比率（＆lt;上升＆Mw /＆lt;上升＆ 重量（＆Upbar＆Mw）与通过1.2差聚差4的GPC测定的数均分子量（＆amp; upbar＆Mn）和[D]在负载为10kg时MFR10的MFR 10与MFR 2的比（MFR 10 / MFR 2）在2.16 kg，在190℃为8分钟，分子量分布窄，流动性好。

公开(公告)号：US5075396A

公开(公告)日：1991-12-24

申请号：US331221

申请日：1989-03-31

申请人： Norio Kashiwa ,  Akinori Toyota ,  Mamoru Kioka

发明人： Norio Kashiwa ,  Akinori Toyota ,  Mamoru Kioka

IPC分类号： C08F4/00 ,  C08F4/46 ,  C08F4/60 ,  C08F4/64 ,  C08F4/658 ,  C08F10/00

CPC分类号： C08F10/00

摘要： A process for producing a polymer or copolymer of an olefin which comprises polymerizing or copolymerizing at least one olefin with or without a diolefin in the presence of a catalyst composed of (A) a magnesium-containing solid titanium catalyst component containing magnesium, titanium, a halogen and an electron donor as essential ingredients and (B) an organoaluminum compound catalyst component; characterized in that(1) said catalyst further comprises (C) an organic silicon compound catalyst component having an Si--O--C or Si--N--C bond, and(2) said electron donor in the catalyst component (A) is a cyclic mono- or poly-ester such as diethyl furane-3,4-dicarboxylate, di-n-butyl 3,4-dihydro-2H-pyrane-5,6-dicarboxylate, di-isobutyl pyrrole-2,3-dicarboxylic, di-n-butyl thiophene-2,3-dicarboxylate, n-octyl pyrrolidine-2,3-dicarboxylate, and so on.

公开(公告)号：US5055528A

公开(公告)日：1991-10-08

申请号：US465648

申请日：1990-01-22

申请人： Mamoru Kioka ,  Akinori Toyota ,  Norio Kashiwa

发明人： Mamoru Kioka ,  Akinori Toyota ,  Norio Kashiwa

IPC分类号： C08F4/64 ,  C08F4/42 ,  C08F4/60 ,  C08F10/06 ,  C08F210/06 ,  C08F297/08 ,  C08L23/10 ,  C08L23/16

CPC分类号： C08F297/083 ,  C08L23/10 ,  C08L2205/02 ,  C08L23/16

摘要： A process for producing a propylene polymer having good flowability with an MFR of at least 10 g/10 minutes comprises a first polymerization stage consisting of at least two steps and a subsequent second polymerization stage. It is important to control the intrinsic viscositites of a crystalline propylene polymer obtained from the first step of the first polymerization stage and a crystalline propylene polymer obtained from the final step of the first polymerization stage.

公开(公告)号：US5008356A

公开(公告)日：1991-04-16

申请号：US359131

申请日：1989-05-31

申请人： Naoshi Ishimaru ,  Toshiyuki Tsutsui ,  Akinori Toyota ,  Norio Kashiwa

发明人： Naoshi Ishimaru ,  Toshiyuki Tsutsui ,  Akinori Toyota ,  Norio Kashiwa

IPC分类号： C08F4/659 ,  C08F4/6592 ,  C08F210/00 ,  C08F210/06 ,  C08F210/14 ,  C08F232/00

CPC分类号： C08F232/00 ,  C08F210/00 ,  C08F210/06 ,  C08F210/14 ,  C08F4/65912 ,  C08F4/65927 ,  Y10S526/943

摘要： A cyclo-olefinic random copolymer composed of an alpha-olefin component having 3 to 20 carbon atoms and a cyclo-olefin component,(i) said copolymer containing 5 to 99 mole % of recurring units derived from said alpha-olefin component having 3 to 20 carbon atoms and 1 to 95 mole % of recurring units derived from said cyclo-olefin component, and(ii) said copolymer having an intrinsic viscosity [.eta.], measured in decalin at 135.degree. C., of from 0.01 to 10 dl/g; and an olefinic random copolymer composed of (A) an olefin component having 3 to 20 carbon atoms and (B) a cyclic polyene component and as required, (C) a cyclo-olefin component,(i) said copolymer containing 5 to 99 mole % of recurring units derived from said alpha-olefin component (A) having 3 to 20 carbon atoms and 1 to 95 mole % of recurring units derived from said cyclic polyene component (B) and 0 to 90 mole % of recurring units derived from said cyclo-olefin component (C), and(ii) said copolymer having an intrinsic viscosity [.eta.], measured in decalin at 135.degree. C., of from 0.01 to 10 dl/g; and a process for production thereof. Also provided is a process for producing a cyclo-olefinic random copolymer, which comprises copolymerizing an alpha-olefin and a cyclo-olefin in the presence of a catalyst formed from(A) a compound of a transition metal of Group IVB of the periodic table having as a ligand a multidentate coordination compound in which at least two conjugated cycloalkadienyl groups or substituted products thereof are bonded via a lower alkylene group, and(B) an aluminoxane.