Polyolefin adhesive compositions and methods for preparing the same
    1.
    发明授权
    Polyolefin adhesive compositions and methods for preparing the same 有权
    聚烯烃粘合剂组合物及其制备方法

    公开(公告)号:US09260635B2

    公开(公告)日:2016-02-16

    申请号:US14378011

    申请日:2013-02-28

    摘要: A blended multimodal polymer product is disclosed that comprises a first polymer, wherein the first polymer is a homopolymer of propylene or a propylene copolymer having an ethylene or a C4 to C10 olefin comonomer; and a second polymer, wherein the second polymer is a propylene homopolymer and a propylene copolymer having an ethylene or a C4 to C10 olefin comonomer, and wherein the first polymer and second polymer have a difference in heat of fusion of about 25 J/g or more. Methods for making such a polymer product using at least two reactors in parallel and for separating a propylene-based polymer from a solvent using a liquid-phase separator are also disclosed.

    摘要翻译: 公开了一种混合多峰聚合物产品,其包含第一聚合物,其中第一聚合物是丙烯的均聚物或具有乙烯或C 4至C 10烯烃共聚单体的丙烯共聚物; 和第二聚合物,其中所述第二聚合物是丙烯均聚物和具有乙烯或C 4至C 10烯烃共聚单体的丙烯共聚物,并且其中所述第一聚合物和第二聚合物的熔融热差别为约25J / g或 更多。 还公开了使用至少两个平行的反应器制造这种聚合物产物并使用液相分离器从溶剂中分离丙烯类聚合物的方法。

    Polyalkylene materials
    2.
    发明授权
    Polyalkylene materials 有权
    聚亚烷基材料

    公开(公告)号:US07879143B2

    公开(公告)日:2011-02-01

    申请号:US11352715

    申请日:2006-02-13

    摘要: The disclosure provides, in various embodiments, a method for fractionating a polyalkylene, and the fractionated polyalkylene produced thereby. The method includes, for example, separating, from a starting polyalkylene, a first portion of a polyalkylene having a Mw less than the Mw of the starting polyalkylene. Also included are carriers, phase change inks and toners comprising the fractionated polyalkylene, such as the first portion of a polyalkylene.

    摘要翻译: 在各种实施方案中,本公开提供了一种用于分馏聚亚烷基的方法和由此产生的分馏的聚亚烷基。 该方法包括例如从起始聚亚烷基中分离具有小于起始聚亚烷基的Mw的Mw的聚亚烷基的第一部分。 还包括载体,相变油墨和包含分馏的聚亚烷基的调色剂,例如聚亚烷基的第一部分。

    PROCESS FOR PREPARING POLYALPHA-OLEFINS
    4.
    发明公开

    公开(公告)号:US20240352159A1

    公开(公告)日:2024-10-24

    申请号:US18682304

    申请日:2022-08-10

    摘要: The invention relates to a process for preparing polyalpha-olefins using a catalyst composition comprising a reaction product of an organometallic complex and a co-catalyst, wherein the comprising an organometallic complex is represented by the general formula: LMXn wherein: (i) ‘L’ is an organic ligand; (ii) ‘M’ is a transition metal having a valency of ‘p’, wherein the metal ‘M’ is selected from Ti, Zr, and Hf; (iii) ‘X’ is an anionic ligand to the metal ‘M’, and wherein ‘X’ is selected from the group consisting of halogens, alkyls, aralkyls, alkoxides, amides, and combinations thereof; (iv) ‘n’ is the number of ‘X’ groups and equals p-2.

    1-butene polymers composition
    6.
    发明授权
    1-butene polymers composition 有权
    1-丁烯聚合物组合物

    公开(公告)号:US07799871B2

    公开(公告)日:2010-09-21

    申请号:US11632616

    申请日:2005-06-10

    摘要: A 1-butene polymer composition comprising: a) from 5% by weight to 95% by weight of an atactic 1-butene-based polymer, having the following features: distribution of molecular weight Mw/Mn equal to or lower than 4; rr triads, measured by 13C-NMR comprised between 5% and 50%; no enthalpy of fusion detectable at a differential scanning calorimeter (DSC); intrinsic viscosity (IV) measured in tetrahydronaphtalene (THN) at 135° C. comprised between 0.85 dl/g and 5.0 dl/g; and infrared crystallinity lower than 0.5%; b) from 5% by weight to 95% by weight of an isotactic 1-butene-based polymer having the following features: isotactic pentads (mmmm) measured by 13C-NMR, higher than 80%; melting point higher than 80° C.; and intrinsic viscosity (IV) measured in tetrahydronaphtalene (THN) at 135° C. comprised between 0.1 dl/g and 5 dl/g.

    摘要翻译: 1-丁烯聚合物组合物,其包含:a)5重量%至95重量%的无规立构1-丁烯基聚合物,具有以下特征:分子量Mw / Mn等于或低于4的分布; 通过13 C-NMR测量的rr三单元组在5%和50%之间; 在差示扫描量热仪(DSC)上可检测不到融合焓; 在135℃下在四氢萘(THN)中测得的特性粘度(Ⅳ)为0.85dl / g至5.0dl / g; 红外结晶度低于0.5%; b)5重量%至95重量%的具有以下特征的全同立构1-丁烯基聚合物:通过13 C-NMR测量的全同立构五单元组(mmmm)高于80%; 熔点高于80℃。 在135℃下在四氢萘(THN)中测得的特性粘度(IV)为0.1dl / g至5dl / g。

    Method for producing a modified propylene polymer
    8.
    发明授权
    Method for producing a modified propylene polymer 失效
    改性丙烯聚合物的制造方法

    公开(公告)号:US07795353B2

    公开(公告)日:2010-09-14

    申请号:US11270453

    申请日:2005-11-10

    IPC分类号: C08F110/04

    摘要: Disclosed is a method for producing a modified propylene polymer, the method comprising heating a mixture of 100 parts by weight of a propylene polymer (A) defined below and from 0.1 to 50 parts by weight of an ethylenically unsaturated bond-containing monomer (B) in the presence of from 0.01 to 20 parts by weight of an organic peroxide (C); propylene polymer (A) being a propylene polymer composed of from 0.5 to 90% by weight of a propylene polymer component (A1) having an intrinsic viscosity [η], as measured in tetralin at 135° C., of from 5 dl/g to 15 dl/g and from 10 to 99.5% by weight of a propylene polymer component (A2) having an intrinsic viscosity [η], as measured in tetralin at 135° C., of not less than 0.1 dl/g but less than 5 dl/g.

    摘要翻译: 公开了一种制备改性丙烯聚合物的方法,该方法包括加热100重量份下文定义的丙烯聚合物(A)和0.1-50重量份含烯属不饱和键的单体(B)的混合物, 在有机过氧化物(C)为0.01〜20重量份的情况下, 丙烯聚合物(A)是丙烯聚合物,其由0.5至90重量%的丙烯聚合物组分(A1)在135℃下在四氢化萘中测得的特性粘度[η]为5dl / g至15dl / g和10至99.5wt%的在135℃下在四氢化萘中测得的特性粘度[η]的丙烯聚合物组分(A2)不小于0.1dl / g,但 小于5dl / g。

    Terminally-substituted polymeric compositions from cationically
polymerizable monomers and initiators
    9.
    发明授权
    Terminally-substituted polymeric compositions from cationically polymerizable monomers and initiators 失效
    来自阳离子可聚合单体和引发剂的末端取代的聚合物组合物

    公开(公告)号:US5336745A

    公开(公告)日:1994-08-09

    申请号:US700980

    申请日:1991-05-16

    CPC分类号: C08F4/00 C08F2/38

    摘要: A method is provided for the direct synthesis of novel polymeric materials functionalized with desirable nitrogen-containing functional groups such as terminal azido, cyano, carbonylamino or thiocarbonylamino groups. Polymerization and functionalization occur in a substantially simultaneous manner. All necessary reactants for the functionalization are present when polymerization is initiated. The nitrogen-containing functional group is provided as a part of a molecule having a release moiety which is preferably resonance stabilized or of tertiary alkyl type and which acts to aid the nitrogen-containing species in functioning as a leaving group.

    摘要翻译: 提供了一种用于直接合成用所需含氮官能团如末端叠氮基,氰基,羰基氨基或硫代羰基氨基官能化的新型聚合物的方法。 聚合和官能化基本上同时发生。 当开始聚合时,存在用于官能化的所有必需的反应物。 提供含氮官能团作为分子的一部分,其具有优选共振稳定的或叔烷基型的释放部分,并且用于帮助含氮物质起到离去基团的作用。

    Process for producing syndiotactic polyolefins
    10.
    发明授权
    Process for producing syndiotactic polyolefins 失效
    间同立构聚烯烃的制备方法

    公开(公告)号:US5334677A

    公开(公告)日:1994-08-02

    申请号:US792974

    申请日:1991-11-15

    摘要: The invention provides a metallocene catalyst for use in preparing syndiotactic polyolefins. The catalyst comprises a bridged metallocene in which one of the cyclopentadienyl rings is substituted in a substantially different manner from the other ring. It was discovered that this type of catalyst is highly syndiospecific, and it also produces a polymer with a novel microstructure. The invention further includes the use of one or more of the catalysts in a polymerization process. The catalyst is generally described by the formulaR"(CpR.sub.n)(CpR'.sub.m)MeQ.sub.kwherein each Cp is a cyclopentadienyl or substituted cyclopentadienyl ring; each R.sub.n and R'.sub.m is the same or different and is a hydrocarbyl radicals having 1-20 carbon atoms; R" is a structural bridge between the two Cp rings imparting stereorigidity to the catalyst; Me is a group 4b, 5b, or 6b metal from the Periodic Table of Elements; each Q is a hydrocarbyl radical having 1-20 carbon atoms or is a halogen; 0.ltoreq.k.ltoreq.3; 0.ltoreq.n.ltoreq.4; 1.ltoreq.m.ltoreq.4; and wherein R'.sub.m is selected such that (CpR'.sub.m) is a sterically different ring than (CpR.sub.n).

    摘要翻译: 本发明提供用于制备间同立构聚烯烃的茂金属催化剂。 该催化剂包括其中一个环戊二烯基环以与另一个环基本不同的方式被取代的桥连茂金属。 发现这种催化剂具有高度的同分子特异性,并且还产生具有新颖微观结构的聚合物。 本发明还包括在聚合过程中使用一种或多种催化剂。 催化剂通常由式R“(CpRn)(CpR'm)MeQk描述,其中每个Cp是环戊二烯基或取代的环戊二烯基环; 每个Rn和R'm相同或不同,是具有1-20个碳原子的烃基; R“是赋予催化剂立体刚性的两个Cp环之间的结构桥; Me是元素周期表中的4b,5b或6b族金属; 每个Q是具有1-20个碳原子的烃基或是卤素; 0