ISOCYANATE TRIMERISATION CATALYST SYSTEM, A PRECURSOR FORMULATION, A PROCESS FOR TRIMERISING ISOCYANATES, RIGID POLYISOCYANURATE/POLYURETHANE FOAMS MADE THEREFROM, AND A PROCESS FOR MAKING SUCH FOAMS

    公开(公告)号:US20110201709A1

    公开(公告)日:2011-08-18

    申请号:US13125465

    申请日:2009-11-09

    摘要: The instant invention provides an isocyanate trimerisation catalyst system, a precursor formulation, a process for trimerising isocyanates, rigid foams made therefrom, and a process for making such foams. The trimerisation catalyst system comprises: (a) an imidazolium or imidazolinium cation; and (b) an isocyanate-trimer inducing anion; wherein said trimerisation catalyst system has a trimerisation activation temperature in the range of equal to or less than 73° C. The precursor formulation comprises: (1) at least 25 percent by weight of polyol, based on the weight of the precursor formulation; (2) less than 15 percent by weight of a trimerisation catalyst system, based on the weight of the precursor formulation, comprising; (a) an imidazolium or imidazolinium cation; and (c) an isocyanate-trimer inducing anion; wherein said trimerisation catalyst system has a trimerisation activation temperature in the range of equal to or less than 73° C.; and (3) optionally one or more surfactants, one or more flame retardants, water, one or more antioxidants, one or more auxiliary blowing agents, one or more urethane catalysts, one or more auxiliary trimerisation catalysts, or combinations thereof. The process for trimerisation of isocyanates comprises the steps of: (1) providing one or more monomers selected from the group consisting of an isocyanate, a diisocyanate, a triisocyanatetriisocyanate, oligomeric isocyanate, a salt of any thereof, and a mixture of any thereof; (2) providing a trimerisation catalyst system comprising; (a) an imidazolium or imidazolinium cation; and (b) an isocyanate-trimer inducing anion; (c) wherein said trimerisation catalyst system has a trimerisation activation temperature in the range of equal to or less than 73° C.; (3) trimerising said one or more monomers in the presence of said trimerisation catalyst; (4) thereby forming an isocyanurate trimer. The process for making the PIR foam comprises the steps of: (1) providing one or more monomers selected from the group consisting of an isocyanate, a diisocyanate, a triisocyanatetriisocyanate, oligomeric isocyanate, a salt of any thereof, and a mixture any thereof; (2) providing polyol; (3) providing a trimerisation catalyst system comprising; (a) an imidazolium or imidazolinium cation; and (b) an isocyanate-timer inducing anion; wherein said trimerisation catalyst system has a trimerisation activation temperature in the range of equal to or less than 73° C.; and (4) optionally providing one or more surfactants, one or more flame retardants, water, one or more antioxidants, one or more auxiliary blowing agents, one or more urethane catalysts, one or more auxiliary trimerisation catalysts, or combinations thereof; (5) contacting said one or more monomers, and said polyol, and optionally said one or more surfactants, and optionally said one or more flame retardants, and optionally said water, and optionally said one or more antioxidants, and optionally said one or more auxiliary blowing agents in the presence of said trimerisation catalyst system and optionally said one or more urethane catalysts, and optionally said one or more auxiliary trimerisation catalysts; (6) thereby forming said polyisocyanurate/polyurethane rigid foam. The PIR foam comprises the reaction product of one or more monomers selected from the group consisting of an isocyanate, a diisocyanate, a triisocyanatetriisocyanate, oligomeric isocyanate, a salt of any thereof, and a mixture any thereof with polyol in the presence of a trimerisation catalyst system comprising an imidazolium or imidazolinium cation, and an isocyanate-trimer inducing anion, and optionally one or more surfactants, optionally one or more flame retardants, optionally water, optionally one or more antioxidants, optionally one or more auxiliary blowing agents, optionally one or more additional urethane catalysts, and optionally one or more auxiliary trimerisation catalysts, or optionally combinations thereof, wherein the trimerisation catalyst system has a trimerisation activation temperature in the range of equal to or less than 73° C. The PIR foam comprises the reaction product of one or more monomers selected from the group consisting of an isocyanate, a diisocyanate, a triisocyanatetriisocyanate, oligomeric isocyanate, a salt of any thereof, and a mixture any thereof with polyol in the presence of a trimerisation catalyst system comprising an imidazolium or imidazolinium cation, and an isocyanate-trimer inducing anion, and optionally one or more surfactants, optionally one or more flame retardants, optionally water, optionally one or more antioxidants, optionally one or more auxiliary blowing agents, optionally one or more additional polyurethane catalysts, and optionally one or more auxiliary trimerisation catalysts, or optionally combinations thereof, wherein the PIR foam has a polyisocyanurate trimer ratio (Abs1410/Abs1595) of at least 5 at a depth of 12 mm from the rising surface of the rigid foam, measured via ATR-FTIR spectroscopy.

    Process of rheology modification of polymers
    15.
    发明授权
    Process of rheology modification of polymers 有权
    聚合物流变改性工艺

    公开(公告)号:US06552129B2

    公开(公告)日:2003-04-22

    申请号:US10013152

    申请日:2001-12-10

    IPC分类号: C08F800

    摘要: The invention includes a process of reacting a poly(sulfonyl azide) with a polymer comprising steps (a) forming a first admixture of a first amount of a first polymer or in a liquid which does not require removal from the polymer and a poly(sulfonyl azide); (b) then forming a second admixture of the first admixture with a second amount of at least one second polymer; and (c) heating the second admixture at least to the decomposition temperature of the coupling agent for a time sufficient to result in coupling of polymer chains. The invention further includes all compositions obtainable by processes of the invention as well as blends of those compositions with one or more polymers of compositions different from the first or second polymer or the product of a process of the invention. Additionally the invention includes articles made from compositions of the invention, and shaping those articles particularly by processes which comprise shaping the compositions in a melted state into an article, more preferably when the process comprises thermoforming, injection molding, extrusion, casting, blow molding, foaming or blowing as well as the use of the compositions in those processes.

    摘要翻译: 本发明包括使聚(磺酰基叠氮化物)与聚合物反应的方法,包括步骤(a)形成第一量的第一聚合物的第一混合物或不需要从聚合物中除去的液体和聚(磺酰基 叠氮化物); (b)然后形成第一混合物与第二量的至少一种第二聚合物的第二混合物; 和(c)至少加热第二混合物至偶联剂的分解温度足以导致聚合物链偶联的时间。 本发明还包括可通过本发明的方法获得的所有组合物以及这些组合物与一种或多种不同于第一或第二聚合物或本发明方法的产物的组合物的一种或多种聚合物的共混物。 另外,本发明包括由本发明的组合物制成的制品,特别是通过包括将熔融状态的组合物成型成制品的方法成型,更优选当该方法包括热成型,注射成型,挤出,铸造,吹塑成型, 发泡或吹塑以及在这些方法中使用组合物。

    Crosslinking of polymers and foams thereof
    16.
    发明授权
    Crosslinking of polymers and foams thereof 失效
    聚合物和泡沫的交联

    公开(公告)号:US06325956B2

    公开(公告)日:2001-12-04

    申请号:US09140004

    申请日:1998-08-26

    IPC分类号: B29C4402

    摘要: The invention includes a process comprising (a) forming a polymeric admixture including at least one polyolefin which has been prepared using a single site catalyst and at least a crosslinking amount of at least one poly(sulfonyl azide) crosslinking agent; (b) shaping the resulting admixture; and (c) heating the resulting shaped admixture to a temperature at least the decomposition temperature of the crosslinking agent. The steps take place in any sequence and optionally include substeps. The single site catalyst is preferably a constrained geometry or metallocene catalyst, but optionally another transition metal catalyst which is not a traditional Ziegler Natta Ti/MgCl2 catalyst such as a vanadium catalyst. The invention further includes all compositions obtainable by the process of the invention as well as all articles formed from these compositions. The articles are preferably thermoformed, compression molded, injection molded, extruded, cast, blow molded, blown, profile extruded, spun, foamed or molded of any composition of the invention. The invention includes a use of any composition of the invention in any process of thermoforming, injection molding, extrusion, casting, blow molding, spinning, blowing, profile extrusion, foaming, compression molding or a combination thereof.

    摘要翻译: 本发明包括一种方法,其包括(a)形成包含至少一种聚烯烃的聚合物混合物,所述聚合物混合物已经使用单中心催化剂和至少交联量的至少一种聚(磺酰基叠氮化物)交联剂制备; (b)成型所得混合物; 和(c)将所得成形的混合物加热至至少交联剂的分解温度的温度。 步骤以任何顺序进行,并且可选地包括子步骤。 单中心催化剂优选为约束几何形状或茂金属催化剂,但可选地为不是传统的齐格勒 - 纳塔Ti / MgCl 2催化剂如钒催化剂的另一种过渡金属催化剂。 本发明还包括通过本发明的方法获得的所有组合物以及由这些组合物形成的所有制品。 制品优选是由本发明的任何组合物进行热成型,压塑,注射成型,挤出,铸造,吹塑,吹塑,型材挤出,纺丝,发泡或模制的。 本发明包括在热成型,注射成型,挤出,铸造,吹塑,纺丝,吹塑,型材挤出,发泡,压缩成型或其组合的任何方法中使用本发明的任何组合物。

    Resin transfer molding process for composites
    17.
    发明授权
    Resin transfer molding process for composites 失效
    复合材料的树脂传递模塑工艺

    公开(公告)号:US5730922A

    公开(公告)日:1998-03-24

    申请号:US679324

    申请日:1996-07-12

    摘要: A laminate has at least two layers, at least one of which comprises a polymer having more than one perfluorocyclobutane group. Such polymers impart qualities of environmental or protection, chemical and solvent resistance, hydrolytic stability, lubricity, low dielectric, hydrostatic stability, weatherability, flame resistance, chemical resistance, hydrolytic stability, lubricity, environmental protection, scratch resistance, solvent resistance, surface passivation, water repellancy, lower surface refractive index, lower surface coefficient of friction, fluid barrier properties, oil repellancy, thermal stability, and/or reduced moisture pick-up. Additionally, the coatings are optically clear, easy to apply either neat, in a solvent or otherwise, have relatively low cure temperatures for their temperature resistance, and exhibit insulating and planarizing capabilities.

    摘要翻译: 层压体具有至少两层,其中至少一层包含具有多于一个全氟环丁烷基团的聚合物。 这些聚合物赋予环境或保护性,耐化学性和耐溶剂性,水解稳定性,润滑性,低电介质,静水稳定性,耐候性,阻燃性,耐化学性,水解稳定性,润滑性,环境保护,耐刮擦性,耐溶剂性,表面钝化, 防水性,下表面折射率,较低的表面摩擦系数,流体阻隔性,拒油性,热稳定性和/或降低的吸湿性。 此外,涂层是光学透明的,易于在溶剂中施用,或者以其它方式施加,其耐温度具有相对低的固化温度,并且具有绝缘和平坦化能力。