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1. 发明申请

US20190338104A1 POLYCARBONATE COMPOSITIONS WITH IMPROVED STABILISATION 审中-公开
公开(公告)号：US20190338104A1
公开(公告)日：2019-11-07
申请号：US15765094
申请日：2016-09-29
申请人： Covestro Deutschland AG
发明人： Andreas SEIDEL , Ralf HUFEN , Huns-Jürgen THIEM
IPC分类号： C08K5/17 , C08L69/00 , C08K3/30
摘要： The invention relates to compositions containing A) at least one polymer selected from the group of aromatic polycarbonates and aromatic polyester carbonates and B) at least one Brønsted-acidic compound selected from the group consisting of compounds of general formulae (I) and (II) (R1)y1-N—[R2-COOH]x1 (I) [HOOC—R2]x2(R1)y2N—(R3)-N(R1)y3[R2-COOH]x3 (II) wherein R1 represents optionally functionalized or heteroatom-substituted alkyl, aryl or cycloalkyl, R2 represents C1- to C8-alkylene or C2- to C8-alkylidene, R3 represents —(CH2)n—, —(CH2)n[O(CH2)n]m— or —(CH2)n[NR4(CH2)n]m—, n is an integer, m is an integer, R4 represents optionally functionalized or heteroatom-substituted alkyl, aryl or cycloalkyl, x1 is an integer between 1 and 3, x2 and x3 are respectively 1 or 2, and y1 is given by the formula y1=3−x1, y2 by the formula y2=2−x2, y3 by the formula y3=2−x3, and wherein in compounds having a plurality of radicals R1 and/or R2 these may independently of one another represent different or identical radicals having the abovementioned definitions, and also to a process for producing compositions using components A, B and optionally further components, wherein at least one of the employed components is alkaline or contains alkaline constituents, to compositions obtained by this process and to the use of the compositions for producing molded articles and to the molded articles themselves.

2. 发明申请

US20180215915A1 GALVANIZED COMPONENT WITH HIGH HEAT DISTORTION RESISTANCE 审中-公开
公开(公告)号：US20180215915A1
公开(公告)日：2018-08-02
申请号：US15742259
申请日：2016-07-04
申请人： Covestro Deutschland AG
发明人： Andreas SEIDEL , Wolfgang SCHWARTMANN , Eckhard WENZ , Peter WEIMAR
IPC分类号： C08L69/00 , C23C18/16 , C23C18/20 , C23C18/24 , C23C18/30 , C23C18/32 , C23C18/38 , C25D5/14 , C23F17/00
CPC分类号： C08L69/00 , C08L2205/025 , C08L2205/03 , C23C18/1653 , C23C18/2086 , C23C18/24 , C23C18/30 , C23C18/32 , C23C18/38 , C23F17/00 , C25D5/14 , C08L55/02 , C08L51/04
摘要： The invention relates to a composite component consisting of a plastic support and a multi-ply metal layer applied in a galvanizing operation, the plastic support being made of a thermoplastic composition consisting of A) 50 to 90 parts by weight of at least one aromatic polycarbonate, B) 10 to 50 parts by weight of at least one graft polymer comprising a diene-containing, rubber-elastic, particulate graft base and a vinyl (co)polymer shell, C) 0 to 15 parts by weight of at least one additive, where the sum of the parts by weight of components A) and B) in the composition is standardized to 100, (i) characterized in that the rubber content from component B in the composition is at least 6 wt %, (ii) characterized in that the ratio K/S of the weight fractions of butadiene-containing, rubber-elastic, particulate graft base from component B) in the composition (viz. K) to the sum of free—that is, not bound covalently to the rubber base in the graft polymer of component B)—vinyl (co)polymer from component B) and of any free vinyl (co)polymer from component C) in the composition (viz. S) is at least 1.5, (iii) characterized in that component A) comprises at least one monomer unit selected from the group consisting of monomer units described by the general formula (2) in which R4 is H, linear or branched C1-C10 alkyl, and R5 is linear or branched C1-C10 alkyl, and monomer units derived from bis(4-hydroxyphenyl) compounds and bridged via the 1,1′-position of a cyclic, optionally heteroatom-substituted hydrocarbon, (iv) characterized in that the fraction (Acyc) of monomer units derived from bis(4-hydroxyphenyl) compounds and bridged via the 1,1′-position of a cyclic, optionally heteroatom-substituted hydrocarbon, based on the sum of all bisphenol-derived monomer units in component A), is in the range from 0 to 40 wt %, and, if the fraction of monomer units derived from bis(4-hydroxyphenyl) compounds and bridged via the 1,1′-position of a cyclic, optionally heteroatom-substituted hydrocarbon, based on the sum of all bisphenol-derived monomer units in component A), is in the range

3. 发明申请

US20200325330A1 ANTI-STATIC THERMOPLASTIC MOLDING MATERIALS 审中-公开
公开(公告)号：US20200325330A1
公开(公告)日：2020-10-15
申请号：US16096965
申请日：2017-04-25
申请人： Covestro Deutschland AG
发明人： Andreas SEIDEL
IPC分类号： C08L69/00
摘要： The present invention relates to compositions comprising A) 50 to 90% by weight of at least one representative selected from the group consisting of aromatic polycarbonate, aromatic polyestercarbonate and aromatic polyester, B) 5 to 40% by weight of rubber-based graft polymer or a mixture of rubber-based graft polymer and rubber-free vinyl (co)polymer, C) 3 to 25% by weight of at least one polyether-based polymer or copolymer selected from the group consisting of polyether block polymers and polyether-based polyurethanes, D) 0.8 to 9% by weight of at least one pigment based on titanium dioxide, E) 0 to 20% by weight of one or more further additives, to the use of the compositions for producing moulded articles and to the moulded articles themselves. The invention further provides for the use of pigments based on titanium dioxide for improving toughness and electrical surface conductivity of compositions endowed with polyether-based polymers and comprising at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyestercarbonate and aromatic polyester.

4. 发明申请

US20190119491A1 ANTISTATIC AND LIGHT-STABLE THERMOPLASTIC POLYCARBONATE MOULDING COMPOUNDS 审中-公开
公开(公告)号：US20190119491A1
公开(公告)日：2019-04-25
申请号：US16096945
申请日：2017-04-25
申请人： Covestro Deutschland AG
发明人： Andreas SEIDEL , Kristina PUPOVAC
IPC分类号： C08L69/00
摘要： The invention relates to compositions comprising A) 50% to 90% by weight of at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyestercarbonate and aromatic polyester, B) 5% to 40% by weight of polymer containing B.1 at least one rubber-modified vinyl (co)polymer containing B.1.1 80% to 95% by weight, based on B.1, of at least one vinyl monomer and B.1.2 5% to 20% by weight, based on B.1, of one or more elastomeric polybutadiene-containing graft bases, where B.1 contains polybutadiene-containing rubber particles which have been grafted with the vinyl monomers B.1.1 and contain inclusions of vinyl (co)polymer consisting of the vinyl monomers B.1.1, and a vinyl (co)polymer matrix consisting of the vinyl monomers B.1.1 which is not bound to these rubber particles and is not included in rubber particles, and optionally B.2 further rubber particles grafted with vinyl monomers and composed of B.2.1 5% to 75% by weight, based on B.2, of at least one vinyl monomer and B.2.2 25% to 95% by weight, based on B.2, of one or more elastomeric graft bases, C) 3% to 25% by weight of a mixture comprising a) at least one polyether-based polymer or copolymer selected from the group consisting of polyether block polymers and polyether-based polyurethanes and b) at least one boron-containing salt, D) 0% to 2% by weight of at least one UV stabilizer selected from the group consisting of the substance classes of the benzotriazoles and triazines, E) 0% to 20% by weight of one or more further additives, wherein the compositions comprising components A) to E) have a polybutadiene content of 1% to 5% by weight, and to the use of the compositions for the production of moulded articles, and to the moulded articles themselves.

5. 发明申请

US20190352500A1 COMPOSITE COMPONENT 审中-公开
公开(公告)号：US20190352500A1
公开(公告)日：2019-11-21
申请号：US16474199
申请日：2017-12-22
申请人： Covestro Deutschland AG
发明人： Andreas SEIDEL , Sven HOBEIKA , Ralf HUFEN
IPC分类号： C08L69/00 , C08J7/04 , B29C45/00 , B29C45/16
摘要： The invention relates to a composite component that has improved bonding properties and includes a substrate (i) made of a thermoplastic polymer blend composition, and a coating (ii); in a layer located 5 to 10 μm below the boundary surface between the substrate (i) and the coating (ii), the substrate (i) has a dispersed, non-lamellar phase structure. The invention also relates to a method for manufacturing the composite component.

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