Process for producing compound, catalyst component for addition polymerization, process for producing catalyst for addition polymerization, and process for producing addition polymer
申请人:Oshima Hideki
公开号:US20050222351A1
公开(公告)日:2005-10-06
There are provided (1) a process for producing a compound, which comprises the step of contacting a compound (A) defined by the formula, M
1
L
1
3
, a compound (B) defined by the formula, R
1
t-1
TH, and a compound (C) defined by the formula, R
2
t-2
TH
2
; (2) a catalyst component for addition polymerization, which comprises a compound produced by said process; (3) a process for producing a polymerization catalyst, which comprises the step of contacting said catalyst component with a transition metal compound and an optional organoaluminum compound; and (4) a process for producing an addition polymer, which comprises the step of addition polymerizing an addition polymerizable monomer in the presence of a catalyst produced by said process.
POLYCARBONATE-BASE POLYMER, PRODUCTION PROCESS, RESIN COATING FLUID PREPARED THEREFROM, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR PREPARED THEREFROM
申请人:IDEMITSU KOSAN COMPANY LIMITED
公开号:EP0837085A1
公开(公告)日:1998-04-22
A polymer comprising mainly repeating units (1) and/or repeating units (2), containing optionally terminal groups (3) and/or repeating units (4), and having a reduced viscosity [ηsp/c] of 0.2 to 10.0 dl/g as measured in a 0.5 g/dl solution thereof in methylene chloride at 20°C; a resin coating fluid containing the polymer, a charge-transfer substance and a solvent; and an electrophotographic photoreceptor containing the polymer as a binder resin in a photosensitive layer, wherein Rf1 represents a group that is composed of at least carbon atoms and fluorine atoms and bonded directly to the two oxygen atoms of the carbonate linkage in the general formula (1) without any intervening arylene group; and Rf2 represents a group that is composed of at least carbon atoms and fluorine atoms and bonded directly to one of the oxygen atoms of the carbonate linkage in the general formula (3) without any intervening arylene group.
Novel aerosol formulation containing a polar fluorinated molecule
申请人:——
公开号:US20030194378A1
公开(公告)日:2003-10-16
The present invention relates to a stable pharmaceutical aerosol formulation intended for inhalation. The formulation contains an active substance, an aerosol propellant, a polar flurorinated molecule and an excipient. The preferred propellant is HFA 134a or HFA 227 or a mixture thereof.
Metal compound, and catalyst component and catalyst for addition polymerization, and process for producing addition polymer
申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:US20040209762A1
公开(公告)日:2004-10-21
A metal compound obtained by a process comprising the step of contacting, in a specific ratio, a compound represented by the formula M
1
L
1
r
, a compound represented by the formula R
1
s-1
TH, and a compound represented by the formula R
2
4-n
J(OH)
n
; a catalyst component for addition polymerization comprising the metal compound; a catalyst for addition polymerization using the catalyst component; and a process for producing an addition polymer using the catalyst.
一种金属化合物,通过以下工艺获得,该工艺包括以下步骤:按特定比例将式 M 所代表的化合物与以下物质接触
1
L
1
r
和式 R
1
s-1
TH 所代表的化合物,以及由式 R
2
4-n
J(OH)
n
由金属化合物组成的加成聚合催化剂组分;使用该催化剂组分进行加成聚合的催化剂;以及使用该催化剂生产加成聚合物的工艺。
Process for producing modified particle, carrier or catalyst component for addition polymerization, pre-polymerized catalyst component therefor, catalyst therefor, and addition polymer
申请人:Oshima Hideki
公开号:US20050148459A1
公开(公告)日:2005-07-07
A process for producing a modified particle, a carrier or a catalyst component for addition polymerization, which comprises the steps of (1) contacting a compound (a) represented by the defined formula M
1
L
1
3
with a compound (b) represented by the defined formula R
1
t-1
TH, thereby producing a contact product, and (2) contacting the contact product with a compound (c) represented by the defined formula R
2
t-2
TH
2
in the presence of a particle (d); a process for producing a pre-polymerized catalyst component or a catalyst for addition polymerization, which comprises the steps of (1) contacting the above modified particle with a transition metal compound and optionally an organoaluminum compound, thereby producing a primary catalyst, and (2) pre-polymerizing an olefin in the presence of the primary catalyst; a process for producing a catalyst for addition polymerization, which comprises the step of contacting the above catalyst component with a transition metal compound and optionally an organoaluminum compound; and a process for producing an addition polymer, which comprises the step of addition polymerizing an addition polymerizable monomer in the presence of the above catalyst.
一种生产加成聚合用改性粒子、载体或催化剂组分的工艺,包括以下步骤 (1) 将定义式 M 所代表的化合物 (a)
1
L
1
3
与由定义式 R
1
t-1
TH 所代表的化合物 (b) 接触,从而生成接触产物,以及 (2) 将接触产物与由定义式 R
2
t-2
TH
2
一种生产预聚合催化剂组分或加成聚合催化剂的工艺,包括以下步骤:(1) 将上述改性颗粒与过渡金属化合物和可选的有机铝化合物接触,从而制得一级催化剂;(2) 在一级催化剂存在下预聚合烯烃;一种生产加成聚合催化剂的工艺,包括将上述催化剂组分与过渡金属化合物和有机铝化合物接触的步骤;以及一种生产加成聚合物的工艺,包括在上述催化剂存在下对可加成聚合的单体进行加成聚合的步骤。