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    Use of mono-substituted succinic anhydride
    6.
    发明授权
    Use of mono-substituted succinic anhydride 有权

    公开(公告)号：US11505678B2

    公开(公告)日：2022-11-22

    申请号：US16347807

    申请日：2017-11-06

    Applicant: OMYA INTERNATIONAL AG

    Inventor： Samuel Rentsch ,  Matthias Welker ,  Michael Knerr

    IPC: C08K13/02 ,  C08J3/20 ,  C08K3/26 ,  C08K5/1539 ,  C09C1/02

    Abstract: The use of at least one mono-substituted succinic anhydride is described before or during compounding of a polymer composition including at least one polymer as polymer component and at least one calcium carbonate-based material as filler. The use of the at least one mono-substituted succinic anhydride can reduce the polymer decomposition during processing and/or can decrease the melt flow rate of such a compounded polymer composition by at least 10%. The use can also increase the viscosity of such a compounded polymer composition by at least 10%, in comparison to the same polymer composition that has been treated the same way in the absence of any mono-substituted succinic anhydride, wherein the polymer composition does not include polylactic acid.

    Process for preparing a surface treated filler material product with mono-substituted succinic anhydride(s) and a mixture of aliphatic linear or branched carboxylic acids comprising stearic acid
    7.
    发明授权
    Process for preparing a surface treated filler material product with mono-substituted succinic anhydride(s) and a mixture of aliphatic linear or branched carboxylic acids comprising stearic acid 有权

    公开(公告)号：US11441037B2

    公开(公告)日：2022-09-13

    申请号：US16620550

    申请日：2018-06-12

    Applicant: OMYA INTERNATIONAL AG

    Inventor： Francesco Pullega ,  Pierre Blanchard ,  Tazio Fornera ,  Matthias Welker

    IPC: C08K3/26 ,  C09C1/02 ,  C08K9/04

    Abstract: The present invention relates to a process for preparing a surface treated filler material product with mono-substituted succinic anhydride(s) and a mixture of aliphatic linear or branched carboxylic acids comprising stearic acid, a surface treated filler material product, a polymer composition, a fiber and/or filament and/or film and/or thread and/or sheet and/or pipe and/or profile and/or mold and/or, injection molds and/or blow mold comprising the surface treated filler material product and/or the polymer composition, an article comprising the surface treated filler material product and/or the polymer composition and/or the fiber and/or filament and/or film and/or thread and/or sheet and/or pipe and/or profile and/or mold and/or injection mold and/or blow mold as well as the use of at least one mono-substituted succinic anhydride and/or salty reaction product(s) thereof in combination with a mixture of aliphatic linear or branched carboxylic acids comprising stearic acid and/or salty reaction product(s) thereof, for improving the flowability of a surface treated filler material product and for improving the dispersion of the calcium carbonate in the polymer matrix of a polymer composition.

    USE OF MONO-SUBSTITUTED SUCCINIC ANHYDRIDE
    9.
    发明申请
    USE OF MONO-SUBSTITUTED SUCCINIC ANHYDRIDE 审中-公开

    公开(公告)号：US20200325302A1

    公开(公告)日：2020-10-15

    申请号：US16305499

    申请日：2017-07-13

    Applicant: Omya International AG

    Inventor： Samuel Rentsch ,  Matthias Welker ,  Christopher Pichler ,  Martin Brunner ,  Michael Knerr ,  Tazio Fornera

    IPC: C08K5/1539 ,  C08K3/26 ,  C09C1/02 ,  C08K9/04 ,  C08L67/04

    Abstract: The present invention refers to the use of at least one mono-substituted succinic anhydride before or during extrusion of a polymer composition comprising polylactic acid as polymer component and at least one calcium carbonate-comprising material as filler, to reduce the polymer decomposition during processing and/or to decrease the melt flow rate of such an extruded polymer as well as a method for reducing the polymer decomposition during processing and decreasing the melt flow rate of a polymer composition comprising polylactic acid as polymer component and at least one calcium carbonate-comprising material as filler, the use of a polymer composition obtainable by a process comprising the steps of a) providing at least one polylactic acid as polymer component, b) providing at least one calcium carbonate-comprising material as filler, c) providing at least one mono-substituted succinic anhydride and d) contacting the components of a), b) and c) in any order and e) extruding the contacted components of step d) as well as an article comprising a polymer composition obtainable by the aforementioned process.

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