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    • 1. 发明申请
    • CARBON BLACK FILLED RUBBER COMPOSITIONS
    • 碳黑填充橡胶组合物
    • WO1997038047A1
    • 1997-10-16
    • PCT/JP1997001051
    • 1997-03-27
    • THE YOKOHAMA RUBBER CO., LTD.YATSUYANAGI, FumitoKAIDO, HiroyukiKAWAZURA, Tetsuji
    • THE YOKOHAMA RUBBER CO., LTD.
    • C08L21/02
    • C08K3/04B60C1/00B60C1/0016C08L21/02C08L9/08C08L19/006
    • A carbon black filled rubber composition prepared by subjecting a rubber latex mixture comprising a latex of at least one raw rubber (A) having an average glass transition temperature (TgA) of -120 to -15 DEG C, carbon black and a portion of a softener to solidification, dehydration and drying to prepare a carbon black filled rubber composition, and kneading this composition together with another raw rubber (B) and another portion of a softener in an internal mixer, wherein the FA/FB ratio is 1.2 to 3.0, FA referring to the carbon black concentration of the rubber latex mixture based on the rubber polymer and FB to that of the rubber composition prepared by the above kneading based thereon; and another carbon black filled rubber composition prepared by bringing a raw rubber (A') comprising a polymer having functional groups of formula (I) bonded to the polymer chain either directly or through other atomic groups or a terminally modified diene polymer into contact with carbon black and then blending the resulting material with another raw rubber (B') comprising a diene raw rubber.
    • 一种炭黑填充橡胶组合物,其通过使包含平均玻璃化转变温度(TgA)为-120〜-15℃的至少一种生橡胶(A)的胶乳的橡胶胶乳混合物,炭黑和 软化剂进行固化,脱水和干燥以制备填充有炭黑的橡胶组合物,并将该组合物与另一种生橡胶(B)和软内酯的另一部分在内混合器中捏合,其中FA / FB比为1.2-3.0, FA表示基于橡胶聚合物的橡胶胶乳混合物的炭黑浓度和FB与通过上述捏合制备的橡胶组合物的炭黑浓度; 和通过将直接或通过其它原子基团键合到聚合物链上的具有式(I)官能团的聚合物的生橡胶(A')或末端改性二烯聚合物与碳接触而制备的另一炭黑填充橡胶组合物 黑色,然后将所得材料与另一种包含二烯生橡胶的生橡胶(B')混合。
    • 8. 发明申请
    • PROCESSES FOR PRODUCING RUBBER COMPOSITION
    • 生产橡胶组合物的方法
    • WO1997048766A1
    • 1997-12-24
    • PCT/JP1996003635
    • 1996-12-12
    • THE YOKOHAMA RUBBER CO., LTD.YATSUYANAGI, FumitoKAIDO, HiroyukiKAWAZURA, Tetsuji
    • THE YOKOHAMA RUBBER CO., LTD.
    • C08L15/00
    • C08L15/00C08K3/04C08L9/00C08L2666/08
    • A process (i) for producing a rubber composition from a feedstock rubber (A) comprising a terminal-modified and/or coupled diene rubber and having an average glass transition temperature of TgA ( DEG C), a feedstock rubber (B) comprising a terminal-unmodified diene rubber and having a glass transition temperature of TgA and a specific average glass transition temperature of TgB ( DEG C), a reinforcement, and a softener, which comprises mixing the rubber (A) with a specific proportion of the reinforcement at 135 DEG C or higher and mixing the mixture with the rubber (B), the remaining reinforcement, and the softener; another process (ii) for producing a rubber composition which comprises contacting a diene rubber (A') having a specific weight-average molecular weight Mw (A') and an average glass transition temperature of TgA' ( DEG C) with a reinforcement and mixing the mixture with a diene rubber (B') having a specific weight-average molecular weight Mw (B) and an average glass transition temperature of TgB' ( DEG C) and with a softener; and still another process (iii) for producing a rubber composition from 100 parts by weight of feedstock rubbers consisting of a rubber (A") comprising 20 to 100 wt.% terminal-modified and/or coupled diene rubber and a rubber (B") comprising a terminal-unmodified and/or uncoupled diene rubber and from a specific carbon black (X) and a softener, which comprises mixing the rubber (A") with specific proportions of the rubber (B"), carbon black, and softener at 135 DEG C or higher and mixing the mixture with the remaining rubber (B"), carbon black, and softener.
    • 一种用于由包含末端改性和/或偶合的二烯橡胶并且具有TgA(℃)的平均玻璃化转变温度的原料橡胶(A)生产橡胶组合物的方法(i),原料橡胶(B)包含 末端未改性的二烯橡胶,其玻璃化转变温度为TgA,比平均玻璃化转变温度TgB(℃),增强物和软化剂,其包括将橡胶(A)与特定比例的增强剂混合在 135℃以上,将混合物与橡胶(B),剩余的增强剂和软化剂混合; 一种用于生产橡胶组合物的方法(ⅱ),其包括使具有特定重均分子量Mw(A')的二烯橡胶(A')和TgA'(℃)的平均玻璃化转变温度与增强剂和 将混合物与具有特定重均分子量Mw(B)和TgB'(℃)的平均玻璃化转变温度和软化剂的二烯橡胶(B')混合; 以及由100重量份由包含20至100重量%的末端改性和/或偶合二烯橡胶和橡胶(B“)的橡胶(A”)组成的原料橡胶制备橡胶组合物的另一方法(iii) )包括末端未改性和/或未偶联的二烯橡胶和来自特定炭黑(X)和软化剂,其包括将橡胶(A“)与特定比例的橡胶(B”),炭黑和软化剂 在135℃以上,并将混合物与剩余的橡胶(B“),炭黑和软化剂混合。