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    • 1. 发明授权
    • Non-staining antidegradants for vulcanized elastomers
    • 用于硫化弹性体的非染色抗降解剂
    • US07799951B2
    • 2010-09-21
    • US11992925
    • 2006-10-02
    • Michèle GersterHans-Rudolf MeierGerrit KnoblochPierre Rota-Graziosi
    • Michèle GersterHans-Rudolf MeierGerrit KnoblochPierre Rota-Graziosi
    • C08K5/00C08K5/42C08K5/372C07C317/48C07C323/52
    • C07C323/29C07C317/28C07C317/44C07C323/52C07C2601/14C08K5/005C08K5/36C08K5/372C08K5/3725C08K5/42C08L21/00
    • The instant invention discloses a process for preventing contact discoloration of substrates coming into contact with elastomers and stabilizing elastomers to prevent oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation, which comprises incorporating into the elastomers, or applying to these, at least a compound of the formula (I) wherein R1 is C1-C12alkyl, R2 is C1-C12alkyl, or R1 and R2 together with the carbon atom to which they are attached form an unsubstituted or with C1-C4alkyl substituted C5-C12cycloalkyl ring; R3 is hydrogen or —CH2—S(O)m—R5, R4 and R5 independently of each other are unsubstituted or with cyano substituted C5-C18-alkyl; C7-C9phenylalkyl, unsubstituted or with halogen, hydroxyl, cyano or C1-C4alkyl substituted phenyl or naphthyl; benzothiazolyl or —R6—CO2—R7, R6 is C1-C18alkylene, R7 is C1-C18alkyl, and m is 0, 1 or 2. The instant invention discloses also novel compounds of the formula (I), new mixtures of compounds of the formula (I) and compositions thereof in elastomers.
    • 本发明公开了一种防止与弹性体接触的基材的接触变色和稳定弹性体以防止氧化,热,动态,光诱导和/或臭氧引起的降解的方法,其包括加入到弹性体中或应用于这些 至少一种其中R 1为C 1 -C 12烷基,R 2为C 1 -C 12烷基或R 1和R 2与它们所连接的碳原子一起形成未取代的或具有C 1 -C 4烷基取代的C 5 -C 12环烷基的式(I)化合物 环; R 3是氢或-CH 2 -S(O)m -R 5,R 4和R 5彼此独立地是未取代的或具有氰基取代的C 5 -C 18 - 烷基; C 7 -C 9苯基烷基,未取代或与卤素,羟基,氰基或C 1 -C 4烷基取代的苯基或萘基; 苯并噻唑基或-R6-CO2-R7,R6是C1-C18亚烷基,R7是C1-C18烷基,m是0,1或2.本发明还公开了新的式(I)化合物, 式(I)及其组合物。
    • 3. 发明申请
    • Non-Staining Antidegradants for Vulcanized Elastomers
    • 用于硫化弹性体的非染色抗蚀剂
    • US20090227730A1
    • 2009-09-10
    • US11992925
    • 2006-10-02
    • Michèle GersterHans-Rudolf MeierGerrit KnoblochPierre Rota-Graziosi
    • Michèle GersterHans-Rudolf MeierGerrit KnoblochPierre Rota-Graziosi
    • C08K11/00C08F8/34C07C211/53C09K15/28
    • C07C323/29C07C317/28C07C317/44C07C323/52C07C2601/14C08K5/005C08K5/36C08K5/372C08K5/3725C08K5/42C08L21/00
    • The instant invention discloses a process for preventing contact discoloration of substrates coming into contact with elastomers and stabilizing elastomers to prevent oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation, which comprises incorporating into the elastomers, or applying to these, at least a compound of the formula (I) wherein R1 is C1-C12alkyl, R2 is C1-C12alkyl, or R1 and R2 together with the carbon atom to which they are attached form an unsubstituted or with C1-C4alkyl substituted C5-C12cycloalkyl ring; R3 is hydrogen or —CH2—S(O)m—R5, R4 and R5 independently of each other are unsubstituted or with cyano substituted C5-C18-alkyl; C7-C9phenylalkyl, unsubstituted or with halogen, hydroxyl, cyano or C1-C4alkyl substituted phenyl or naphthyl; benzothiazolyl or —R6—CO2—R7, R6 is C1-C18alkylene, R7 is C1-C18alkyl, and m is 0, 1 or 2. The instant invention discloses also novel compounds of the formula (I), new mixtures of compounds of the formula (I) and compositions thereof in elastomers.
    • 本发明公开了一种防止与弹性体接触的基材的接触变色和稳定弹性体以防止氧化,热,动态,光诱导和/或臭氧引起的降解的方法,其包括加入到弹性体中或应用于这些 至少一种其中R 1为C 1 -C 12烷基,R 2为C 1 -C 12烷基或R 1和R 2与它们所连接的碳原子一起形成未取代的或具有C 1 -C 4烷基取代的C 5 -C 12环烷基的式(I)化合物 环; R 3是氢或-CH 2 -S(O)m -R 5,R 4和R 5彼此独立地是未取代的或具有氰基取代的C 5 -C 18 - 烷基; C 7 -C 9苯基烷基,未取代或与卤素,羟基,氰基或C 1 -C 4烷基取代的苯基或萘基; 苯并噻唑基或-R6-CO2-R7,R6是C1-C18亚烷基,R7是C1-C18烷基,m是0,1或2.本发明还公开了新的式(I)化合物, 式(I)及其组合物。
    • 9. 发明授权
    • Processing stabilizers for rubber compounding
    • 橡胶复合加工稳定剂
    • US08101679B2
    • 2012-01-24
    • US12531514
    • 2008-03-10
    • Gerrit KnoblochEva PeregiPierre Rota-Graziosi
    • Gerrit KnoblochEva PeregiPierre Rota-Graziosi
    • C08K5/375C08K5/103C08L21/00
    • C08K5/103C08K5/0016C08K5/005C08K5/375C08L21/00
    • The invention describes an improved method for the preparation of rubber compounds which comprises compounding the rubber and the components at 125-200° C. in the presence of an amount of 0.1-2% based on the weight of the rubber of a processing stabilizer of the formula (I) wherein R1 is hydrogen, C1-C20alkyl, styryl, α-methyl-styryl or —CH2—S—R3; or C1-C20alkyl substituted with C2-C20alkenyl, C3-C20alkinyl, C5-C9cycloalkyl, phenyl or tolyl; R2 is C1-C20alkyl or —CH2—S—R3, R3 is C1-C20alkyl; with phenyl, hydroxyl, cyano, formyl, acetyl or —O—CO—R5 substituted C1-C20alkyl; C2-C20alkenyl, C3-C20alkinyl, C5-C9cycloalkyl; or with hydroxyl, phenyl, 4-chloro-phenyl, 2-methoxycarbonylphenyl, p-tolyl, 1,3-benzthiazol-2-yl, —(CHR5)COOR6 or —(CHR5)nCONR7R8 substituted C5-C9cycloalkyl; R4 is hydrogen or methyl, R5 is hydrogen or C1-C6alkyl, R6 is C1-C20alkyl; with oxygen or sulfur interrupted C3-C20alkyl; C5-C9cycloalkyl, phenyl, benzyl or tolyl, R7 and R8 are independently of each other hydrogen or C1-C6alkyl, and n is 1 or 2.
    • 本发明描述了一种用于制备橡胶化合物的改进方法,其包括在125-200℃下,以0.1-2%的量加入橡胶和组分,所述量基于加工稳定剂的橡胶的重量, 式(I)其中R1是氢,C1-C20烷基,苯乙烯基,α-甲基苯乙烯基或-CH2-S-R3; 或被C 2 -C 20烯基,C 3 -C 20炔基,C 5 -C 9环烷基,苯基或甲苯基取代的C 1 -C 20烷基; R2是C1-C20烷基或-CH2-S-R3,R3是C1-C20烷基; 苯基,羟基,氰基,甲酰基,乙酰基或-O-CO-R 5取代的C 1 -C 20烷基; C 2 -C 20烯基,C 3 -C 20炔基,C 5 -C 9环烷基; 或具有羟基,苯基,4-氯 - 苯基,2-甲氧基羰基苯基,对甲苯基,1,3-苯并噻唑-2-基, - (CHR 5)COOR 6或 - (CHR 5)nCONR 7 R 8取代的C 5 -C 9环烷基; R4是氢或甲基,R5是氢或C1-C6烷基,R6是C1-C20烷基; 与氧或硫中断C3-C20烷基; C 5 -C 9环烷基,苯基,苄基或甲苯基,R 7和R 8彼此独立地为氢或C 1 -C 6烷基,n为1或2。