Process for preparing anisaldehyde
    5.
    发明授权
    Process for preparing anisaldehyde 失效
    制备茴香醛的方法

    公开(公告)号:US4339607A

    公开(公告)日:1982-07-13

    申请号:US170781

    申请日:1980-07-21

    CPC分类号: C25B3/02 C07C45/28

    摘要: Anisaldehyde is prepared by performing at least once the steps of (a) electrolyzing cerium (III) nitrate or ammonium cerium (III) nitrate to obtain water containing cerium (IV) nitrate or ammonium cerium (IV) nitrate and/or a solution of lower alcohol containing the cerium (IV) salt, and (b) oxidizing p-methyl anisole to anisaldehyde with the cerium (IV) salt-containing solution of lower alcohol with or without the water contained therein, or with the cerium (IV) salt-containing water having a lower alcohol admixed therewith.

    摘要翻译: 通过至少一次进行以下步骤制备茴香醛:(a)硝酸铈(III)或硝酸铈铈(III)的电解,得到含有硝酸铈(IV)或硝酸铈铈(IV)的硝酸盐和/或下部溶液 含有铈(Ⅳ)盐的醇,和(b)用含有或不含有水的低级醇的含铈(Ⅳ)盐溶液,或与铈(Ⅳ)盐 - 含有与其混合的低级醇的水。

    Process for preparing alkoxyphenols
    6.
    发明授权
    Process for preparing alkoxyphenols 失效
    制备烷氧基酚的方法

    公开(公告)号:US4588835A

    公开(公告)日:1986-05-13

    申请号:US662542

    申请日:1984-10-19

    CPC分类号: C07C45/70 C07C41/16 C07C45/71

    摘要: A process for preparing an alkoxyphenol represented by the formula: ##STR1## wherein R is hydrogen, alkyl having 1 to 4 carbon atoms, formyl, hydroxymethyl, alkoxymethyl, dialkoxymethyl, acetoxymethyl or diacetoxymethyl, R' is alkyl having 1 to 4 carbon atoms, and n is an integer of 1 to 5, characterized in that a phenol halide represented by the formula: ##STR2## wherein R and n are as defined above, and X is chlorine or bromine is reacted, in the presence of a copper salt serving as a catalyst and of a solvent, with a product prepared by heating, in the presence of a dehydrating agent, an alkali metal hydroxide and a compound of the formula R'OH wherein R' is as defined above.

    摘要翻译: 一种由下式表示的烷氧基苯酚的方法:其中R为氢,具有1至4个碳原子的烷基,甲酰基,羟甲基,烷氧基甲基,二烷氧基甲基,乙酰氧基甲基或二乙酰氧基甲基,R'为具有1至4个碳原子的烷基, n为1〜5的整数,其特征在于,在铜盐的存在下,使由式(Ⅰ)表示的酚卤化物,其中R和n如上述定义,X为氯或溴, 作为催化剂和溶剂,通过在脱水剂的存在下,碱金属氢氧化物和式R'OH的化合物加热制备的产物,其中R'如上定义。

    Bisbenzotriazolylphenol compound
    7.
    发明授权
    Bisbenzotriazolylphenol compound 失效
    双苯并三唑基苯酚化合物

    公开(公告)号:US5922882A

    公开(公告)日:1999-07-13

    申请号:US973222

    申请日:1997-11-26

    摘要: An object of the present invention is to provide a novel bisbenzotriazolylphenol compound having a UV absorving effect. The bisbenzotriazolylphenol compound of the invention is represented by the formula ##STR1## wherein A is a direct bond or represents a C.sub.1-6 alkylene group, a --C(CH.sub.3).sub.2 -- group, a --C(C.sub.2 H.sub.5)(CH.sub.3)-- group, a --O-- group or a --NH-- group, R.sup.1 and R.sup.3 are the same or different and each represent a hydrogen atom, a C.sub.1-4 alkyl group, an aryl group, a C.sub.1-4 alkoxy group or a halogen atom, and R.sup.2 and R.sup.4 are the same or different and each represent a hydroxyl group or a C.sub.1-12 straight- or branched-chain hydroxyalkyl group.

    摘要翻译: PCT No.PCT / JP97 / 00940 Sec。 371日期:1997年11月26日 102(e)日期1997年11月26日PCT 1997年3月19日PCT公布。 第WO97 / 35847号公报 日期:1997年2月10日本发明的目的是提供具有紫外线吸收效果的新型双苯并三唑基苯酚化合物。 本发明的双苯并三唑基苯酚化合物由下式表示:其中A是直接键或表示C1-6亚烷基,-C(CH3)2-基,-C(C2H5)(CH3) - 基, O-基或-NH-基,R 1和R 3相同或不同,各自表示氢原子,C 1-4烷基,芳基,C 1-4烷氧基或卤素原子,R 2和 R4相同或不同,各自表示羟基或C1-12直链或支链羟烷基。

    Weather-resistant composition, coating materials and molded articles
    8.
    发明授权
    Weather-resistant composition, coating materials and molded articles 失效
    耐候性组合物,涂料和模制品

    公开(公告)号:US06703139B1

    公开(公告)日:2004-03-09

    申请号:US09720974

    申请日:2001-01-03

    IPC分类号: B32B2700

    摘要: The present invention relates to a weather-resistant composition comprising a bisbenzotriazolylphenol compound represented by the general formula (1): [wherein A represents an alkylene group, and R1 and R2 represent a group (B): (in which R3 and R4 represent an alkyl group)], a meth)acrylate compound, and a curing agent; a coating material containing the weather-resistant composition as a main component; and a molded article. The composition can form a coating film which is not impaired in mechanical strength, exhibits excellent weather resistance, metal ion resistance and transparency for a prolonged period, and is less likely to cause surface cracks.

    摘要翻译: 本发明涉及一种耐候性组合物,其包含由通式(1)表示的双苯并三唑基苯酚化合物:[其中A表示亚烷基,R 1和R 2表示基团(B):(在 其中R 3和R 4表示烷基)],甲基)丙烯酸酯化合物和固化剂; 包含耐候性组合物作为主要成分的涂料; 和模制品。 该组合物可以形成机械强度不受损害的涂膜,长时间显示优异的耐候性,金属离子电阻和透明性,并且不太可能引起表面裂纹。

    Bis(benzotriazolyl phenol) compound, ultraviolet absorber, ultraviolet-absorbing polymer, resin composition and coating material containing these ingredients
    9.
    发明授权
    Bis(benzotriazolyl phenol) compound, ultraviolet absorber, ultraviolet-absorbing polymer, resin composition and coating material containing these ingredients 失效
    双(苯并三唑基苯酚)化合物,紫外线吸收剂,紫外线吸收聚合物,树脂组合物和含有这些成分的涂料

    公开(公告)号:US06414100B1

    公开(公告)日:2002-07-02

    申请号:US09581162

    申请日:2000-06-13

    IPC分类号: C08F12606

    摘要: A novel compound suitable for use as an ultraviolet absorber is provided. Further provided are a resin composition and a coating material each containing the novel compound. A bis(benzotriazolyl phenol) compound represented by the following general formula (1), a resin composition containing the compound, and an ultraviolet-absorbing polymer prepared by copolymerization of the compound: [wherein A represents a methylene group, a (CH3)2C group or a C2H5(CH3)C group; R1 and R6, either identical to or different from each other, represent a hydrogen atom, an alkyl group having 1-4 carbon atoms, an aryl group, an alkoxy group having 1-4 carbon atoms or a halogen atom; R2 and R4, either identical to or different from each other, represent a straight-chain or branched alkylene group having 1-6 carbon atoms; R3 and R5each represents a hydrogen atom or a methyl group; and 1, m and n each indicates 0 or 1].

    摘要翻译: 提供适合用作紫外线吸收剂的新型化合物。 还提供了各自含有新化合物的树脂组合物和涂料。 由以下通式(1)表示的双(苯并三唑基苯酚)化合物,含有该化合物的树脂组合物和通过化合物共聚制备的紫外线吸收聚合物[其中A表示亚甲基,(CH 3)2 C 基团或C 2 H 5(CH 3)C基团; R 1和R 6彼此相同或不同,表示氢原子,具有1-4个碳原子的烷基,芳基,具有1-4个碳原子的烷氧基或卤素原子; R2和R4彼此相同或不同,表示具有1-6个碳原子的直链或支链亚烷基; R3和R5each表示氢原子或甲基; 和1,m和n各自表示0或1]。

    2,2′BIS(6-Benzotriazolylphenol) compound, ultraviolet ray absorber comprising the compound, copolymer containing the compound and polymer composition containing the compound
    10.
    发明授权
    2,2′BIS(6-Benzotriazolylphenol) compound, ultraviolet ray absorber comprising the compound, copolymer containing the compound and polymer composition containing the compound 失效
    2,2'-双(6,7-苯并三唑基苯酚)化合物,包含该化合物的紫外线吸收剂,含该化合物的共聚物和含有该化合物的聚合物组合物

    公开(公告)号:US06281313B1

    公开(公告)日:2001-08-28

    申请号:US09568705

    申请日:2000-05-11

    IPC分类号: C08F12606

    摘要: The present invention provides a 2,2′-bis(6-benzotriazolylphenol) compound represented by the formula wherein A represents a methylene group or the like, R1 and R5 each represent a hydrogen atom, an alkyl group or the like, R2 represents a hydrogen atom or the like, R3 represents an alkylene group or the like, and R4 represents a hydrogen atom or a methyl group. The compound of the invention is useful as an UV absorber. Further, the compound of the invention can be incorporated into a copolymer by copolymerization with a vinyl monomer, and a polymer composition containing the copolymer can be used as an UV absorber.

    摘要翻译: 本发明提供了由式(Ⅳ)表示的2,2'-双(6-苯并三唑基苯酚)化合物代表亚甲基等,R 1和R 5各自表示氢原子,烷基等,R 2表示氢原子 R 3表示亚烷基等,R 4表示氢原子或甲基。本发明的化合物可用作UV吸收剂。 此外,本发明的化合物可以通过与乙烯基单体的共聚合而结合到共聚物中,并且可以使用含有共聚物的聚合物组合物作为UV吸收剂。