Process for the preparation of 3-acetoxy-2-methylbenzoyl chloride
    1.
    发明授权
    Process for the preparation of 3-acetoxy-2-methylbenzoyl chloride 失效
    3-乙酰氧基-2-甲基苯甲酰氯的制备方法

    公开(公告)号:US6051732A

    公开(公告)日:2000-04-18

    申请号:US114604

    申请日:1998-07-13

    摘要: The present invention relates to a process for the preparation of 3-acetoxy-2-methylbenzoyl chloride by reacting an alkali metal salt of 3-aminonaph-thalene-1,5-disulfonic acid with alkali metal hydroxide and water in the weight ratio 1:(1 to 1.6):(1 to 1.6) at 220 to 320.degree. C. to give the dialkali metal salt of the 3-hydroxy-2-methylbenzoic acid, separating off insoluble constituents from the reaction mixture, then adjusting the reaction mixture to a pH of 11.5 to 13.5 by addition of acid and reacting with acetic anhydride at -5 to +25.degree. C., precipitating the 3-acetoxy-2-methylbenzoic acid by addition of acid, separating off the 3-acetoxy-2-methylbenzoic acid and reacting it with an inorganic acid chloride to give 3-acetoxy-2-methylbenzoyl chloride.

    摘要翻译: 本发明涉及通过使3-氨基萘酚-1,5-二磺酸的碱金属盐与碱金属氢氧化物和水的重量比1:1的反应制备3-乙酰氧基-2-甲基苯甲酰氯的方法。 (1至1.6):(1至1.6)在220至320℃下反应,得到3-羟基-2-甲基苯甲酸的二碱金属盐,从反应混合物中分离不溶成分,然后将反应混合物调至 通过加入酸,pH为11.5至13.5,并在-5至+25℃下与乙酸酐反应,通过加入酸沉淀3-乙酰氧基-2-甲基苯甲酸,分离出3-乙酰氧基-2-甲基苯甲酸 酸并与无机酰氯反应,得到3-乙酰氧基-2-甲基苯甲酰氯。

    Process for the preparation of 3-hydroxy-2-methylbenzoic acid and
3-acetoxy-2-methylbenzoic
    2.
    发明授权
    Process for the preparation of 3-hydroxy-2-methylbenzoic acid and 3-acetoxy-2-methylbenzoic 失效
    3-羟基-2-甲基苯甲酸和3-乙酰氧基-2-甲基苯甲酸的制备方法

    公开(公告)号:US5910605A

    公开(公告)日:1999-06-08

    申请号:US19864

    申请日:1998-02-06

    摘要: The invention relates to a process for the preparation of 3-hydroxy-2-methylbenzoic acid and 3-acetoxy-2-methylbenzoic acid, which comprises reacting 3-chloro-2-methylphenol (3) with benzyl chloride to give 2-benzyloxy-6-chlorotoluene (4) subjecting this to a Grignard reaction with magnesium to give (3-benzyloxy-2-methylphenyl)magnesium chloride (5) reacting this with CO.sub.2 to give 3-benzyloxy-2-methylbenzoic acid (6) hydrogenating this or its alkali metal salts in the presence of a hydrogenation catalyst to give 3-hydroxy-2-methylbenzoic acid (2) and optionally acetylating this to give 3-acetoxy-2-methylbenzoic acid.

    摘要翻译: 本发明涉及3-羟基-2-甲基苯甲酸和3-乙酰氧基-2-甲基苯甲酸的制备方法,其包括使3-氯-2-甲基苯酚(3)与苄基氯反应,得到2-苄氧基-2-甲基苯甲酸, 6-氯甲苯(4)将其与镁进行格氏反应,得到(3-苄氧基-2-甲基苯基)氯化镁(5),使其与CO 2反应,得到3-苄氧基-2-甲基苯甲酸(6) 其碱金属盐在氢化催化剂存在下反应,得到3-羟基-2-甲基苯甲酸(2),并任选将其乙酰化得到3-乙酰氧基-2-甲基苯甲酸。

    Coatings containing polysilazanes for metal and polymer surfaces
    3.
    发明授权
    Coatings containing polysilazanes for metal and polymer surfaces 有权
    含有金属和聚合物表面聚硅氮烷的涂料

    公开(公告)号:US08309228B2

    公开(公告)日:2012-11-13

    申请号:US11991718

    申请日:2006-08-25

    IPC分类号: B32B15/04 B05D3/02 C08L83/04

    摘要: The invention relates to the use of polysilazanes as a permanent coating on metal and polymer surfaces for preventing corrosion, increasing scratch resistance and to facilitate easier cleaning. The invention comprises a solution of a polysilazane or a blend of polysilazanes of the general formula 1 —(SiR′R″—NR′″)n—  (1) where R′, R″ and R′″ are identical or different and independently of one another represent hydrogen or an optionally substituted alkyl, aryl, vinyl or (trialkoxysilyl)alkyl group and n represents a whole number and is calculated in such a way that the polysilazane has a numerical average molecular weight of 150 to 150 000 g/mol, in a solvent. The invention also relates to a method for producing the coating.

    摘要翻译: 本发明涉及聚硅氮烷作为永久性涂层在金属和聚合物表面上的用途,以防止腐蚀,增加耐刮擦性和便于清洗。 本发明包括聚硅氮烷或通式1-(SiR'R“-NR”“)n - (1)的聚硅氮烷的共混物,其中R',R”和R“”相同或不同且独立地 彼此表示氢或任选取代的烷基,芳基,乙烯基或(三烷氧基甲硅烷基)烷基,n表示整数,并且以这样的方式计算,即聚硅氮烷的数均分子量为150至150000g / mol ,在溶剂中。 本发明还涉及一种生产该涂层的方法。

    Use of Polysilazanes for Coating Metal Strips
    4.
    发明申请
    Use of Polysilazanes for Coating Metal Strips 有权
    使用聚硅氮烷涂覆金属带

    公开(公告)号:US20080014461A1

    公开(公告)日:2008-01-17

    申请号:US11667654

    申请日:2005-10-25

    摘要: A coating for metals containing a polysilazane solution or a mixture of polysilazanes of general formula (1) —(SiR′R″—NR″)n— (1) wherein R′, R″, R″′ are identical or different and independently represent hydrogen or an optionally substituted alkyl-, aryl-, vinyl or (trialkoxysilyl)alkyl radical, wherein n is a whole number and n is dimensioned in such a way that polysilazane has an average molecular weight of 150-150,000 g/mol, in a solvent and at least one catalyst. The invention also relates to a method for the production of the coating.

    摘要翻译: 含有聚硅氮烷溶液或通式(1) - (SiR'R“-NR”') - (1)的聚硅氮烷的混合物的金属涂层,其中R',R“ R“'相同或不同,并且独立地表示氢或任选取代的烷基 - ,芳基 - ,乙烯基或(三烷氧基甲硅烷基)烷基,其中n是整数,并且n的尺寸设计使聚硅氮烷具有平均值 分子量为150-150,000g / mol,在溶剂和至少一种催化剂中。 本发明还涉及一种生产该涂层的方法。

    Use of polysilazanes for coating metal strips
    6.
    发明授权
    Use of polysilazanes for coating metal strips 有权
    使用聚硅氮烷涂覆金属条

    公开(公告)号:US08247037B2

    公开(公告)日:2012-08-21

    申请号:US11667654

    申请日:2005-10-25

    IPC分类号: B05D3/02

    摘要: A coating for metals containing a polysilazane solution or a mixture of polysilazanes of the general formula (I) —(SiR′R″-NR′″)n—  (1) wherein R′, R″ and R′″ are identical or different and independently represent hydrogen or an optionally substituted alkyl, aryl, vinyl or (trialkoxysilyl)alkyl radical, wherein n is a whole number and n is dimensioned in such a way that the polysilazane has a number-average molecular weight of 150 to 150 000 g/mol, in a solvent and at least one catalyst. The invention also relates to a method for the production of the coating.

    摘要翻译: 含有聚硅氮烷溶液或通式(I) - (SiR'R“-NR”“)n - (1)的聚硅氮烷的混合物的金属涂层,其中R',R”和R“”相同或不同 并且独立地表示氢或任选取代的烷基,芳基,乙烯基或(三烷氧基甲硅烷基)烷基,其中n是整数,n的尺寸使得聚硅氮烷的数均分子量为150〜150000g / mol,在溶剂和至少一种催化剂中。 本发明还涉及一种生产该涂层的方法。

    Method for Producing a Permanent Protective Layer on Precious Metal Surfaces by Coating with Solutions Based on Polysilazane
    7.
    发明申请
    Method for Producing a Permanent Protective Layer on Precious Metal Surfaces by Coating with Solutions Based on Polysilazane 审中-公开
    基于聚硅氮烷的解决方案通过涂层在贵金属表面上生产永久保护层的方法

    公开(公告)号:US20080118651A1

    公开(公告)日:2008-05-22

    申请号:US11883153

    申请日:2006-01-12

    IPC分类号: B05D1/36

    CPC分类号: C09D183/16

    摘要: A method used to produce a permanent support layer on precious metal surfaces by coating solutions which are based on polysilazane. Said method is used to coat surfaces made of precious metal or precious metal alloys with a solution containing a polysilazane of formula (I), wherein n is measured in such a manner that the polysilazane has an average molecular weight from 150-150,000 g/mol, in addition to a solvent and a catalyst. The invention is characterized in that a silane based primer which contains sulphur and which is used to improve adherence, is applied to the object which is to be coated prior to the coating with the polysilazane solution. The invention also relates to coatings which are produced according to the inventive method.

    摘要翻译: 一种用于通过涂覆基于聚硅氮烷的溶液在贵金属表面上产生永久性支撑层的方法。 所述方法用于用含有式(I)聚硅氮烷的溶液涂覆由贵金属或贵金属合金制成的表面,其中n以聚硅氮烷的平均分子量为150-150,000g / mol ,除了溶剂和催化剂。 本发明的特征在于,在用聚硅氮烷溶液涂布之前,将含有硫并用于改善粘附性的硅烷基底漆施加到待涂布的物体上。 本发明还涉及根据本发明方法生产的涂层。

    Polysilane-containing coating solution
    8.
    发明申请
    Polysilane-containing coating solution 审中-公开
    含聚硅烷的涂料溶液

    公开(公告)号:US20050279255A1

    公开(公告)日:2005-12-22

    申请号:US10533428

    申请日:2003-10-21

    摘要: A coating solution comprising 0.1 to 35% by weight of an inorganic or organic polysilazane having repeating units represented by the general formula below and soluble in a solvent and 0.1 to 10% by weight of catalyst such as 4,4′-trimethylenebis(1-methylpiperidine) based on a pure polysilazane content. By applying the coating solution onto the surface of base materials such as metals, plastics, glass, ceramic, wood, cement, mortar, bricks, etc., a silica coating strongly adhered to the base materials can be formed excellent in corrosion resistance and anti-scratch properties and simultaneously excellent in characteristics such as abrasion resistant, long-lasting anti-fouling properties, wetting properties to water, sealing properties, chemical resistance, oxidation resistance, physical barrier effect, heat resistance, fire resistance and antistatic properties.

    摘要翻译: 包含0.1至35重量%的具有由以下通式表示的并且可溶于溶剂的重复单元的无机或有机聚硅氮烷和0.1至10重量%的催化剂如4,4'-三亚甲基双(1- 基于纯聚硅氮烷含量的甲基哌啶)。 通过将涂布溶液涂布在诸如金属,塑料,玻璃,陶瓷,木材,水泥,砂浆,砖等基材的表面上,可以形成强烈粘合到基材上的二氧化硅涂层,其耐腐蚀性和抗反射性优异 同时优异的耐磨性,持久的防污性能,对水的润湿性能,密封性能,耐化学性,抗氧化性,物理屏障效应,耐热性,耐火性和抗静电性等特性。

    Use of Polysilazanes as Permanent Anti-Fingerprint Coatings
    9.
    发明申请
    Use of Polysilazanes as Permanent Anti-Fingerprint Coatings 审中-公开
    使用聚硅氮烷作为永久防指纹涂料

    公开(公告)号:US20080131706A1

    公开(公告)日:2008-06-05

    申请号:US11884856

    申请日:2006-02-10

    IPC分类号: B32B15/04 C08G77/62

    CPC分类号: C09D183/16 C08L83/16 C09D7/65

    摘要: The invention relates to the use of polysilazanes as permanent coatings on metal surfaces for the prevention of the susceptibility to fingerprints, characterized in that the polysilazane is in the form of a solution of a polysilazane or a mixture of polysilazanes of the general formula 1 —(SiR′R″—NR′″)n—   (1) where R′, R″, R′″ independently=H, optionally-substituted alkyl-, aryl, vinyl- or (trialkoxysilyl)alkyl, n=a whole number such that the polysilazane has a number-average molecular weight of from 150 to 150,000 g/mol in a solvent. The invention further relates to a method for production of the coating.

    摘要翻译: 本发明涉及聚硅氮烷作为金属表面上的永久涂层用于防止指纹敏感性的用途,其特征在于聚硅氮烷为聚硅氮烷或通式1的聚硅氮烷混合物的形式, in-line-formula description =“In-line Formulas”end =“lead”?> - (SiR'R“ - NR”') - (1) 其中R',R“,R”独立地为H,任选取代的烷基 - ,芳基,乙烯基 - 或(三烷氧基甲硅烷基)烷基,n为整数 =整数,使得聚硅氮烷在溶剂中的数均分子量为150〜150,000g / mol。 本发明还涉及一种生产该涂层的方法。

    Perhydropolysilazane-containing coatings for metal and polymer surfaces
    10.
    发明申请
    Perhydropolysilazane-containing coatings for metal and polymer surfaces 审中-公开
    用于金属和聚合物表面的含全氟聚硅氮烷的涂料

    公开(公告)号:US20070196672A1

    公开(公告)日:2007-08-23

    申请号:US10591573

    申请日:2005-02-22

    CPC分类号: C09D183/16 Y10T428/31663

    摘要: The invention relates to a surface coating comprising at least one type of perhydropolysilazane of the formula I wherein n is an integer of a value such that the perhydropolysilazane number-average molecular weight of from 150 to 150 000 g/mol, a solvent and a catalyst and, possibly one or more cobinding agents. The hardened coating has thickness of at least 1 micrometer, preferably ranging from 2 to 20 micrometers. The inventive coating containing at least one type of perhydropolysilazane is suitable for protecting rims, in particular, aluminum rims.

    摘要翻译: 本发明涉及包含至少一种式I的全氢聚硅氮烷的表面涂层,其中n是一个整数,使得全氢聚硅氮烷的数均分子量为150-150,000g / mol,溶剂和催化剂 以及可能的一种或多种助磨剂。 硬化涂层的厚度至少为1微米,优选为2至20微米。 含有至少一种类型的全氢聚硅氮烷的本发明的涂层适用于保护边缘,特别是铝边缘。