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    • 83. 发明申请
    • Coating agents and a process for the preparation of multi-layer coatings
    • 涂层剂和多层涂料的制备方法
    • US20040170767A1
    • 2004-09-02
    • US10791996
    • 2004-03-03
    • E.I. du Pont de Nemours and Company
    • Carmen FlosbachKerstin KarpinskiStefanie MattenWalter Schubert
    • B05D001/36B05D003/02
    • C09D175/06C08G18/4233C08G18/792C08L61/28C09D167/00C08L2666/16
    • Coating agents with resin solids of (a) 10 wt-% to 80 wt-% of a non-aromatic polyester polyol, (b) 0 wt-% to 70 wt-% of at least one constituent selected from the group consisting of hydroxyl-functional binders that are different from polyester polyol (a), hydroxyl-functional reactive thinners and combinations thereof, and (c) 20 wt-% to 60 wt-% of at least one cross-linking agent for the hydroxyl-functional components (a) and (b), wherein the polyester polyol (a) has a calculated molecular mass from 600 to 1400, an acid value from 0 to 30 mg KOH/g and an hydroxyl value from 250 to 600 mg KOH/g with a calculated hydroxyl functionality from 4.5 to 10, and is composed of components which comprise (a1) hydroxyl components comprising 0 wt-% to 20 wt-% of at least one diol and 80 wt-% to 100 wt-% of at least one polyol having 3 to 6 hydroxyl groups, (a2) carboxyl components comprising 0 wt-% to 20 wt-% of at least one monocarboxylic acid and 80 wt-% to 100 wt-% of at least one dicarboxylic acid, and optionally (a3) at least one hydroxycarboxylic acid component, the sum of the percentages by weight of components (a) to (c), of components (a1) and of components (a2) being 100% in each case.
    • 具有(a)10重量%至80重量%的非芳族聚酯多元醇的树脂固体的涂料剂,(b)0重量%至70重量%的选自羟基的至少一种成分 不同于聚酯多元醇(a)的功能性粘合剂,羟基官能反应性稀释剂及其组合,和(c)20重量%至60重量%的至少一种用于羟基官能组分的交联剂 a)和(b),其中聚酯多元醇(a)的计算分子量为600〜1400,酸值为0〜30mgKOH / g,羟值为250〜600mgKOH / g, 羟基官能度为4.5至10,并且由包含(a1)包含0重量%至20重量%的至少一种二醇和80重量%至100重量%的至少一种多元醇的羟基组分的组分组成,所述多元醇具有 3至6个羟基,(a2)包含0重量%至20重量%的至少一种一元羧酸和80重量%至100重量%的至少一种二羧酸的羧基组分 酸和任选地(a3)至少一种羟基羧酸组分,组分(a1)和组分(a2)中组分(a)至(c)的重量百分比之和为每种情况下为100%。
    • 84. 发明授权
    • Coating composition
    • 涂料组成
    • US06677424B2
    • 2004-01-13
    • US10040820
    • 2002-01-07
    • Hans-Jünrgen FiggeGeorg WiggerMarita Schilling
    • Hans-Jünrgen FiggeGeorg WiggerMarita Schilling
    • C08G1880
    • C09D175/04C08G18/0823C08G18/12C08G18/4233C08G18/6659C09D175/06C08G18/2865C08G18/792C08G18/3275C08G18/807
    • The invention relates to a coating composition comprising at least one OH-functional binder component and at least one component compound, functioning as a crosslinking agent, which has NCO groups blocked with a pyrazole compound. It is characterized in that the component compound which functions as a crosslinking agent is obtainable by a) polymerizing a polyol or a mixture of polyols having a number-average molecular weight in the range from 300-5000 by adding a polyisocyanate compound A or a mixture of polyisocyanate compounds A to give a polyurethane prepolymer, b) chain-extending the polyurethane prepolymer by adding a chain extender compound, to give a polyurethane polymer having free OH groups, c) reacting the OH-containing polyurethane polymer from b) with a polyisocyanate B or a mixture of polyisocyanates B to give a polyisocyanate-polyurethane polymer, and d) free isocyanate groups of the polyisocyanate-polyurethane polymer having been blocked with the pyrazole compound or a mixture of pyrazole compounds.
    • 本发明涉及一种包含至少一种OH-官能的粘合剂组分和至少一种组分化合物的涂料组合物,其作用为具有用吡唑化合物封闭的NCO基团的交联剂。 其特征在于用作交联剂的组分化合物可通过以下方式得到:a)通过加入多异氰酸酯化合物A或其混合物使多元醇或数均分子量为300-5000的多元醇的混合物聚合, 的多异氰酸酯化合物A,得到聚氨酯预聚物,b)通过加入扩链剂化合物链延伸聚氨酯预聚物,得到具有游离OH基团的聚氨酯聚合物,c)使来自b)的含OH聚氨酯聚合物与多异氰酸酯 B或多异氰酸酯B的混合物,得到多异氰酸酯 - 聚氨酯聚合物,以及d)被吡唑化合物或吡唑化合物混合物封闭的多异氰酸酯 - 聚氨酯聚合物的游离异氰酸酯基团。
    • 87. 发明授权
    • Magnetic recording medium
    • 磁记录介质
    • US06500551B1
    • 2002-12-31
    • US09509024
    • 2000-03-21
    • Hiroshi HashimotoYuichiro MurayamaKatsuhiko Meguro
    • Hiroshi HashimotoYuichiro MurayamaKatsuhiko Meguro
    • G11B5702
    • G11B5/716C08G18/0828C08G18/3206C08G18/3212C08G18/3234C08G18/4233C08G18/4238G11B5/7021Y10S428/90Y10T428/31609
    • The magnetic recording medium of the invention comprises a substrate and a magnetic layer stacked thereon and composed of a dispersion of a ferromagnetic powder in a binder, and is characterized in that the binder contains a polyurethane resin 1 obtained by polymerization of a diol compound having a cyclic structure and a long-chain form of alkyl chain with a diisocyanate compound. Preferably, the polyurethane resin contains as diol components a dimer diol and an aliphatic diol having a medium-chain form of alkyl branched chain. The polyurethane resin may comprise a polyether polyol having a cyclic structure. A dibasic acid in the polyester polyol may contain an aliphatic dibasic acid, the diol component may contain an aliphatic diol that does not include a cyclic structure having an alkyl branched chain, and an chain extender may include a polyester polyol comprising an aliphatic diol having an alkyl branched chain.
    • 本发明的磁记录介质包括基板和层叠在其上的磁性层,由铁磁粉末在粘合剂中的分散体组成,其特征在于,所述粘合剂含有聚氨酯树脂1,其通过聚合具有 环状结构和长链形式的烷基链与二异氰酸酯化合物。 优选地,聚氨酯树脂作为二醇组分含有二聚体二醇和具有中链链烷基支链的脂肪族二醇。 聚氨酯树脂可以包含具有环状结构的聚醚多元醇。 聚酯多元醇中的二元酸可以含有脂族二元酸,二醇成分可以含有不包含具有烷基支链的环状结构的脂族二醇,扩链剂可以包含含有脂肪族二醇的聚酯多元醇, 烷基支链。