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    • 2. 发明公开
    • 낮은 이온 함량 및 높은 고형분 함량을 갖는 수분산폴리우레탄 수지의 제조방법
    • 高固体和低离子含量水性聚氨酯的制备方法
    • KR1020090085805A
    • 2009-08-10
    • KR1020080011643
    • 2008-02-05
    • 현대자동차주식회사부산대학교 산학협력단
    • 윤미정정기연김병규이수경
    • C08G18/08C08G18/10C08G18/72
    • A water-dispersible polyurethane resin is provided to ensure low anion content and high particle stability, to perform water dispersion of solid portion, and to be various industrial uses such as paint adhesive, fiber-treating agent and primer. A method for manufacturing a water-dispersible polyurethane resin comprises the steps of: reacting a chain extender and a diisocyanate compound in a weight ratio of 1 : 2.5~3 to manufacture isocyanate-terminated hard segments; reacting the hard segments 100.0 parts by weight, polyol 295~310 parts by weight and diisocyanate compound 65~80 parts by weight to manufacture a hydroxyl group-terminated prepolymer I containing soft segments; reacting the prepolymer I 100.0 parts by weight, diol 2~3 parts by weight having a carboxyl group and a diisocyanate compound 2~4 parts by weight to manufacture a prepolymer II; and preparing the water-dispersible polyurethane resin by water-dispersing the prepolymer II.
    • 提供水分散性聚氨酯树脂,以确保低阴离子含量和高颗粒稳定性,进行固体部分的水分散,并可用于各种工业用途如涂料粘合剂,纤维处理剂和底漆。 制造水分散性聚氨酯树脂的方法包括以下步骤:使重量比为1:2.5〜3的扩链剂和二异氰酸酯化合物反应,制造异氰酸酯封端的硬链段; 使硬链段100.0重量份,多元醇295〜310重量份和二异氰酸酯化合物65〜80重量份反应,制造含有软链段的羟基封端的预聚物I; 使预聚物I 100.0重量份,具有羧基的2〜3重量份的二异氰酸酯化合物和2〜4重量份的二异氰酸酯化合物反应,制备预聚物II; 并通过水分散预聚物II制备水分散性聚氨酯树脂。
    • 5. 发明授权
    • 자동차 내장용 플라스틱 시트 표면의 수성 코팅방법
    • 用于电动机内部材料的塑料片的水性涂层方法
    • KR100792937B1
    • 2008-01-08
    • KR1020060088706
    • 2006-09-13
    • 현대자동차주식회사유한회사 피피지코리아
    • 한인수정기연윤미정문형기
    • B05D1/02B05D3/02
    • B05D7/04B05D5/00B05D7/546C09D5/02Y10T428/31935
    • A method for water-coating the surface of plastic sheets for interior materials of a vehicle is provided to form a coating film with good thermoforming performance by improving mechanical properties such as luster resistance, scratch resistance, and elongation. A method for water-coating the surface of plastic sheets for interior materials of a vehicle comprises a step for coating the surface of the plastic sheet with a primer composition and then heating and drying the plastic sheet, wherein the primer composition consists of chlorinated water-soluble olefin resin of 30~65wt.%, polyurethane resin of 2~10wt.%, water-soluble silicone resin of 1~5wt.%, a water-soluble stabilizer of 0.5~2wt.%, and the distilled water of 30~60wt.% and a step for applying a thermoplastic polycarbonate urethane composition on a film coated with the primer aqueous solution and then heating and drying the film coated with the thermoplastic polycarbonate urethane composition, wherein the thermoplastic polycarbonate urethane composition consists of aliphatic urethane of 40~60wt.%, aliphatic urethane modifying silicon polyol of 0.1~5wt.%, N-methyl-2-pyrrolidone of 3~5wt.%, a neutralizing agent of 0.1~1wt.%, and the distilled water of 30~60wt.%.
    • 提供一种用于对车辆内部材料的塑料片的表面进行水涂覆的方法,通过改善诸如耐光泽性,耐擦伤性和伸长率的机械性能来形成具有良好热成型性能的涂膜。 用于对车辆内部材料的塑料片的表面进行水涂覆的方法包括用底漆组合物涂覆塑料片的表面,然后加热和干燥塑料片的步骤,其中底漆组合物由氯化水 - 可溶性烯烃树脂为30〜65重量%,聚氨酯树脂为2〜10重量%,水溶性硅树脂为1〜5重量%,水溶性稳定剂为0.5〜2重量%,蒸馏水为30〜 60重量%的热塑性聚碳酸酯聚氨酯组合物,以及在涂布有底漆水溶液的薄膜上涂布热塑性聚碳酸酯聚氨酯组合物,然后加热干燥涂布有热塑性聚碳酸酯聚氨酯组合物的薄膜的步骤,其中热塑性聚碳酸酯聚氨酯组合物由40〜 60重量%,脂肪族氨基甲酸酯改性硅多元醇0.1〜5重量%,N-甲基-2-吡咯烷酮3〜5重量%,中和剂0.1〜1重量%,蒸馏水30〜60重量% 。