PROBLEM TO BE SOLVED: To provide a visor containing a methacrylic resin which has high heat resistance, and excellent in transparency, moist heat resistance, heat stability and molding workability.SOLUTION: A visor contains 50 to 97 mass% of a methacrylic ester monomer unit (A), 3 to 30 mass% of at least one kind of a structure unit which is selected from a group consisting of a maleimide-based structure unit, a glutaric acid anhydride structure unit, a glutarimide-based structure unit and a lactone ring structure unit and has a ring structure in a main strain (B), and 0 to 20 mass% of another vinyl-based monomer unit polymerizable with a methacrylic ester monomer (C); and contains a methacrylic resin (I) having a weight average molecular weight measured by gel permeation chromatography (GPC) of 65,000 to 300,000.SELECTED DRAWING: None

    【課題】耐熱性が高く、透明性、耐湿熱性、熱安定性、及び成型加工性にも優れている、メタクリル系樹脂を含むバイザーを提供する。【解決手段】メタクリル酸エステル単量体単位(A):50〜97質量%と、マレイミド系構造単位、グルタル酸無水物構造単位、グルタルイミド系構造単位、及びラクトン環構造単位からなる群より選ばれる少なくとも一種の、主鎖に環構造を有する構造単位(B):3〜30質量%と、メタクリル酸エステル単量体に共重合可能なその他のビニル系単量体単位(C)0〜20質量%と、を、含有し、ゲルパーミエーションクロマトグラフィー(GPC)で測定した重量平均分子量が、6.5万〜30万であるメタクリル系樹脂(I)を含むバイザー。【選択図】なし


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    Title :

    VISOR CONTAINING METHACRYLIC RESIN


    Additional title:

    メタクリル系樹脂を含むバイザー


    Contributors:

    Publication date :

    2017-02-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / 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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