본 발명은, 중합체 상 P1 및 상이한 중합체 상 P2 및 P3을 포함하는 분산된 입자 형태의 필름-형성 중합체를 포함하는 진동 완화용 수성 중합체 분산액을 제공하며, 상기 중합체 분산액은 자유 라디칼 유화 중합에 의해 수득된다. 다양한 중합체 상 내의 중합체의 유리 전이 온도의 차이를 조절하는 것은, -10 내지 65℃의 온도 범위에 걸쳐 200 헤르츠(Hz)의 진동수에서 결정할 때, 40℃ 이상의 온도 범위에 걸쳐 0.1 이상의 완화 손실 인자에 의해 결정되는 효과적인 소음 완화를 제공한다. 다양한 단량체 부하물의 중합에 쇄 전달제를 사용하는 것은 생성 진동 완화 코팅의 우수한 외관을 제공한다.

    The present invention provides an aqueous polymer dispersion for vibration damping comprising a film-forming polymer in the form of dispersed particles comprising a polymer phase P1 and different polymer phases P2 and P3; the polymer dispersion obtained by free radical emulsion polymerization. Controlling the difference in glass transition temperatures of the polymers in the various polymer phases results in effective sound damping as determined by a Damping Loss Factor of at least 0.1 over a temperature range of at least 40° C. determined at a frequency of 200 Hz over a temperature range of −10 to 65° C. Use of a chain transfer agent in the polymerization of the various monomer charges results in good appearance in the resultant vibration damping coating.


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    Title :

    AQUEOUS VIBRATION DAMPING COMPOSITIONS


    Additional title:

    수성 진동 완화 조성물


    Publication date :

    2017-06-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    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 / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C08J Verarbeitung , WORKING-UP / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C09D Überzugsmittel, z.B. Anstrichstoffe, Firnisse oder Lacke , COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



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