본 발명은 열가소성 조성물로서, 조성물의 중량을 기준으로, (A) 40 내지 70 중량%의 방향족 폴리카보네이트 (B) 20 내지 40 중량%의 폴리에스테르 (C) 에폭시 작용기를 함유하는 적어도 하나의 화합물을 포함하는, 0.1 내지 10 중량%의 가수분해 안정화제 조성물 (D) 0 내지 15 중량%의 충격 개질제 (E) 0 내지 5 중량%의 다른 성분을 포함하고 (A) 내지 (E)의 합한 양은 100 중량%이고, 조성물은 조합하여, 23℃의 온도에서 ISO 180-1A에 따라 결정하는 경우 적어도 50 kJ/m2의 초기 노치드 아이조드 충격(initial notched Izod impact), 본 설명에 기재된 방법에 따라 결정하는 경우 적어도 70%의 노치드 아이조드 충격 보유(notched Izod impact retention), 1.8 MPa의 하중에서 ISO 75A 플랫와이즈(flatwise)에 따라 결정하는 경우 적어도 90℃의 열 변형 온도를 갖도록 선택되는, 열가소성 조성물에 관한 것이다.

    The present invention relates to a thermoplastic composition comprising, based on the weight of the composition (A) from 40 to 70 wt. % of a polycarbonate composition comprising from 0 to 50 wt. % based on the weight of the polycarbonate composition of a first polycarbonate and from 100 to 50 wt. % of a second polycarbonate, the first polycarbonate having a higher molecular weight than the second polycarbonate; (B) from 10 to 40 wt. % of a polyester composition comprising from 30 to 70 wt. % based on the weight of the polyester composition of a first polyester and from 70 to 30 wt. % of a second polyester, the first polyester having a higher intrinsic viscosity than the second polyester; (C) from 0.1 to 10 wt. % of a hydrolytic stabilizer composition comprising at least one compound containing epoxy functional groups (D) from 0 to 15 wt. % of impact modifier (E) from 0 to 5 wt. % of other components wherein, the combined amounts of (A) to (E) is 100 wt. %, and wherein the composition is selected to have, in combination, - a notched Izod impact retention of at least 70% determined in accordance with the method set out in the description, - a heat distortion temperature, determined in accordance with ISO 75A flatwise at a load of 1.8 MPa, of at least 90 °C - a melt volume rate determined in accordance with ISO 1133 (250 °C, 5.0 kg) of at least 10.0 g/10min.


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    Title :

    수안정성 열가소성 조성물


    Publication date :

    2025-06-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS



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