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    • 3. 发明申请
    • LOW-EMISSION, STABILIZED POLYURETHANE
    • 低排放,稳定的聚氨酯
    • US20160137814A1
    • 2016-05-19
    • US14899923
    • 2014-06-10
    • BASF SE
    • Iran OTERO MARTINEZStefan BOKERN
    • C08K5/3435C08K5/101
    • C08K5/3435C08G18/288C08G18/2885C08G18/3885C08G18/5084C08G2290/00C08K5/101
    • The present invention relates to a process for preparing polyurethanes, in which (a) polyisocyanate, (b) polymeric compounds with groups that are reactive towards isocyanates, (c) catalysts, (d) 0.01 to 1% by weight of an aliphatic hydrocarbon (d1) having 2 to 15 carbon atoms which comprise at least one heteroatom selected from the group consisting of oxygen, nitrogen and sulfur, and at least one chlorine or bromine atom, and/or phosphoric acid ester (d2), (e) antioxidants and/or light stabilizers and optionally (f) blowing agents, (g) chain extenders and/or crosslinking agents and (h) auxiliaries and/or additives are mixed to give a reaction mixture and the reaction mixture is allowed to fully react to give the polyurethane, where the phosphoric acid ester corresponds to the general formula (R1—O)3—P═O, where the three radicals R1, independently of one another, are organic radicals which comprise one or more phenyl groups, one or more phosphoric acid groups (polyalkyl phosphate with ethylene oxide) or esters thereof and/or one or more atoms selected from the group consisting of nitrogen, oxygen, fluorine, chlorine and bromine. Furthermore, the present invention relates to polyurethanes obtainable by a process according to the invention and to the use of these polyurethanes in the interior of means of transport.
    • 本发明涉及一种制备聚氨酯的方法,其中(a)多异氰酸酯,(b)具有对异氰酸酯具有反应性的基团的聚合物,(c)催化剂,(d)0.01至1重量%的脂族烃( d1)具有2至15个碳原子,其包含至少一个选自氧,氮和硫的杂原子,以及至少一个氯或溴原子,和/或磷酸酯(d2),(e)抗氧化剂和 /或光稳定剂和任选的(f)发泡剂,(g)增链剂和/或交联剂和(h)助剂和/或添加剂混合以产生反应混合物,并使反应混合物充分反应,得到 聚氨酯,其中磷酸酯对应于通式(R1-O)3-P = O,其中三个基团R1彼此独立地是包含一个或多个苯基的有机基团,一个或多个磷酸 基团(聚烷基磷酸酯 与环氧乙烷)或其酯和/或一种或多种选自氮,氧,氟,氯和溴的原子。 此外,本发明涉及通过根据本发明的方法获得的聚氨酯和这些聚氨酯在运输工具内部的用途。
    • 7. 发明授权
    • Method of coating bare, untreated metal substrates
    • 涂覆裸露未处理金属基材的方法
    • US06838118B2
    • 2005-01-04
    • US10292051
    • 2002-11-12
    • David L. NewtonWilliam H. Plassmann
    • David L. NewtonWilliam H. Plassmann
    • B05D7/24B05D3/12B05D7/14B05D7/16C08G18/38C08G18/46C09D175/04C09D175/06C09D183/04
    • C08G18/4684B05D3/12B05D7/16C08G18/3885C09D175/04C08L75/04
    • The present invention provides a method for coating bare, untreated metal substrates wherein a coating composition comprising one or more particularly defined additives is applied directly to a bare metal substrate which has not been chemically and/or mechanically altered. The invention provides a method of coating a bare untreated metal substrate. The method requires the steps of (i) providing a bare, untreated metal substrate, the substrate being substantially free of mechanical and/or chemical alterations, (ii) applying a two-component urethane coating composition directly to the bare, untreated metal substrate so as to make a coated metal substrate, and (iii) sanding at least a portion of the coated metal substrate within one hour from the time the two-component urethane coating composition was applied to the bare, untreated metal substrate. The resulting coated metal substrate has an initial adhesion loss of less than 20% as measured by a cross hatch adhesion test per ASTM D-3359 93. The invention further provides a method of refinishing a previously coated substrate. This method requires (i) providing a substrate having thereon a previously applied and cured coating film, (ii) removing substantially all of the previously applied and cured coating film from at least a portion of the substrate so as to make a bare metal substrate substantially free of mechanical and/or chemical alterations, (iii) applying a two-component urethane coating composition directly to the bare, untreated metal substrate so as to make a coated metal substrate, and (iv) sanding at least a portion of the coated metal substrate within one hour from the time the two-component urethane coating composition was applied to the bare, untreated metal substrate, wherein the coated metal substrate has an initial adhesion loss of less than 20% as measured by a cross hatch adhesion test per ASTM D-3359 93.
    • 本发明提供了一种用于涂覆裸露未经处理的金属基材的方法,其中包含一种或多种特别限定的添加剂的涂料组合物直接施加到未经化学和/或机械改变的裸露金属基材上。 本发明提供一种涂覆裸露未经处理的金属基材的方法。 该方法需要以下步骤:(i)提供裸露的未经处理的金属基底,所述基底基本上不受机械和/或化学变化,(ii)将双组分氨基甲酸酯涂料组合物直接施加到裸露未处理的金属基底上, 以及(iii)从双组分氨基甲酸酯涂料组合物施加到裸露未处理的金属基材上起1小时内,将至少一部分涂覆的金属基材进行打磨。 所得到的涂覆金属基材通过根据ASTM D-335993的交叉填缝粘合试验测得的初始粘合损失小于20%。本发明还提供了对先前涂覆的基材进行修补的方法。 该方法需要(i)提供其上具有预先涂覆和固化的涂膜的基材,(ii)从基材的至少一部分基本上除去基本上所有先前施加和固化的涂膜,从而基本上使裸露的金属基材 没有机械和/或化学变化,(iii)将双组分氨基甲酸酯涂料组合物直接施加到裸露未处理的金属基材上,以制成涂覆的金属基材,和(iv)将至少一部分涂覆金属 从双组分氨基甲酸酯涂料组合物施加到裸露未处理的金属基材1小时内的基材,其中涂覆的金属基材的初始粘合损失小于20%,通过根据ASTM D的交叉口密封试验测量 -3359 93。