Silica Gel-containing Rubber Compounds with Organosilicon Compounds as Compounding Agent

• Main Authors: SCHILLING KURT, HEILIGER LUDGER, FRUH THOMAS, HERPICH RUDIGER
• Format: Patent
• Language: English; Korean
• Published: 18.03.2002
• Edition: 7
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

PURPOSE: A rubber mixture containing silica gel and its preparation method are provided, to improve the mechanical properties and the dynamical mechanical properties by adding an organic silicon compound to the rubber mixture. CONSTITUTION: The rubber mixture containing silica gel comprises 10-20 parts by weight of at least one oligomer-type polydiene which has a silane substituent represented by the formula: R1R2R3Si-X-QH-Y-Z- and shows a (thio)urethane group and/or a urea group or an amide group by modification reaction; 100 parts by weight of at least one rubber containing a double bond; and 50-90 parts by weight of at least one silicon-containing filler. In the formula, R1, R2 and R3 are independent each other and are an alkyl group of C1-C18 (preferably an alkyl group of C1-C5), an alkoxy group of C1-C8 (preferably an alkoxy group of C1-C5), a phenyl or phenoxy group of C6-C12 (preferably a phenyl or phenoxy group of C6), an alkylaryl or alkylaryloxy group of C7-C18, and at least one among R1, R2 and R3 is an alkoxy group, a phenoxy group or an alkylaryloxy group; X is a linear, branched or cyclic, arbitrarily unsaturated alkylene group of C1-12, and preferably a linear saturated alkylene group of C1-C6; Q is S or NH; Y is C=O or CH2-CH-(OH)-; and Z is O, NH or X. 본 발명은 유기규소 화합물의 실리카 함유 고무 배합물에서의 용도, 그의 제조 방법, 규소 화합물을 고무 및 실리카 함유 충전제와 배합하는 방법, 및 그로부터 제조된 가황물에 관한 것이다. 유기규소 화합물을 실리카 함유 고무 배합물에 가함으로써 기계적 및 동력학적 특성의 개선이 달성된다.