中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

38 records (took 0.019 seconds)

    SILICA-CONTAINING RUBBER COMPOSITION
    1.
    发明专利
    SILICA-CONTAINING RUBBER COMPOSITION 失效

    公开(公告)号：JPH1081786A

    公开(公告)日：1998-03-31

    申请号：JP16165497

    申请日：1997-06-18

    Applicant: HOECHST AG

    Inventor： SATTELMEYER RICHARD DR ,  WALLENWEIN SIEGFRIED ,  BURKHART THOMAS DR

    IPC: B60C1/00 ,  B60C11/14 ,  C08K3/36 ,  C08L21/00 ,  C08L61/06

    Abstract: PROBLEM TO BE SOLVED: To obtain a rubber composition comprising a non-polar rubber, a polar rubber a phenolic resin, a binder, particulate silica and conventional additives, and simultaneously having a high low temperature tan δ and a low high temperature tan δ. SOLUTION: This silica-containing rubber composition comprises (A) at least one kind of non-polar rubber comprising at lest 90wt.% of the polymer of a monomer comprising only C and H atoms and at least 10wt.% of the polymer of a monomer having at least two olefinic double bonds in the molecule, (B) at least one kind of a binder, (C) particulate silica having a specific surface area of 100-250m /g, (D) one or more conventional additives, (E) the polar copolymer rubber of monomers whose at least 20% have polar groups, and (F) a phenolic resin. The polar group has a bipolar moment of at least 1.668×10 on its bond to an aliphatic carbon atom having only single bonds.

    Kiesselsäurehaltige Kautschukmischungen
    2.
    发明公开
    Kiesselsäurehaltige Kautschukmischungen 失效
    KiesselsäurehaltigeKautschukmischungen

    公开(公告)号：EP0814123A1

    公开(公告)日：1997-12-29

    申请号：EP97109369

    申请日：1997-06-10

    Applicant: HOECHST AG

    Inventor： SATTELMEYER RICHARD DR ,  WALLENWEIN SIEGFRIED ,  BURKHART THOMAS DR

    IPC: B60C1/00 ,  B60C11/14 ,  C08K3/36 ,  C08L21/00 ,  C08L61/06

    CPC classification number: C08L21/00 ,  B60C1/0016 ,  C08K3/36 ,  C08L2666/16 ,  C08L2666/08

    Abstract: Kautschukzubereitungen enthaltend mindestens einen unpolaren Kautschuk (A), mindestens einen polaren Kautschuk (E), mindestens ein Phenolharz (F), mindestens ein Verstärkungsadditiv (B), feinteiliges Siliciumdioxid (C) sowie übliche Zusatzstoffe (D), mit einem mechanischen Verlustfaktor tan δ bei 0 °C von mindestens 0,3 und bei 70 °C von höchstens 0,15, herstellbar durch mehrstufiges Vermischen, wobei die Vulkanisationsmittel und -beschleuniger erst in der letzten Stufe zugefügt werden.

    Abstract translation: 橡胶混合物（I）含有非极性橡胶（A），极性橡胶（E），酚醛树脂（F），增强添加剂（B），细碎二氧化硅（C） 和常规添加剂（D）。 还要求的是制备（I）的方法。 橡胶（A）优选包含衍生自单体的聚合物，其至少90重量％仅由碳和氢原子组成，并且至少10重量％含有至少2个烯属双键。 极性橡胶（E）包含衍生自单体的聚合物，其中至少20重量％的每一个含有至少一个极性基团，即形成具有至少1.668×10 -3 Cm的偶极矩的键，其中a 完全单键脂肪族碳原子。 基于橡胶组分，橡胶混合物含有71-99.9重量％（A），0.1-29重量％（E），和树脂（F）的量为0.01-14重量％。 二氧化硅（C）的比表面积为100-250m 2 / g。

    3.
    发明专利
    未知

    公开(公告)号：DE3779061D1

    公开(公告)日：1992-06-17

    申请号：DE3779061

    申请日：1987-12-01

    Applicant: HOECHST AG

    Inventor： SATTELMEYER RICHARD DR

    IPC: C08J3/20 ,  C08J3/22 ,  C08L21/00 ,  C08L61/10

    Abstract: A vulcanisate is prepd. from a mixt. of at least 2 rubbers, (A) contg. 50-95 pts. of rubber and 30-150 pts. of filler, and (B) 50-5 pts. of rubber and 50-95 pts. of filler, w.r.t. 100 pts. of rubber in the final mixt., and where (A) and/or (B) contain (C) 2-30 pts. of a reinforcing resin system. Compsns. differing in rubber, filler, oil, reinforcing system and opt. thermoplastic copolymer are mixed, opt. shaped and vulcanised at raised temp. The reinforcing resin is a novolak, used in 0-50 pts. in (A) and 10-60 pts. in (B); the novolak is esp. from phenol opt. mixed with phenols with 1-18C hydrocarbon substits., and HCHO. The rubber is styrene/butadiene and/or natural rubber, or mixts. of these with minor amts. of other rubbers. The active inorganic filler is (mainly) C black. The reinforcing system may comprise the novolak and an incorporated or separate hardener, esp. hexamethylene tetramine or a melamine resin.

    4.
    发明专利
    未知

    公开(公告)号：DE3833656A1

    公开(公告)日：1990-04-12

    申请号：DE3833656

    申请日：1988-10-04

    Applicant: HOECHST AG

    Inventor： HESSE WOLFGANG DR ,  LEICHT ERHARD DR ,  SATTELMEYER RICHARD DR

    IPC: C08L61/14 ,  C08G8/30 ,  C08G8/32 ,  C08G8/34 ,  C08L61/04 ,  C09D161/04 ,  C09D161/14

    Abstract: Modified novolaks based on phenols which are trifunctional with respect to formaldehyde and contain, as modifying components, terpenes and unsaturated carboxylic acids or derivatives of these compounds, the weight ratio between the terpenes and the unsaturated carboxylic acids or derivatives thereof being in the range from 98.5:2.5 to 2.5:98.5 and the weight ratio between the phenolic component and the sum of the modified components being in the range from 95:5 to 5:95 and the modified novolaks having a melting point greater than 45 DEG C. Process for the preparation of the modified novolaks by admixing the modifying components indicated with non-modified novolaks in the necessary amounts at temperatures between 80 DEG and 300 DEG C. Use of the modified novolaks as reinforcing resins for rubber and elastomers, as tackifying agents for rubber, as binders for friction linings, curable molding compositions, impregnants, coatings, paints and binders for finely divided inorganic substrates.

    5.
    发明专利
    未知

    公开(公告)号：DE3604744A1

    公开(公告)日：1986-10-09

    申请号：DE3604744

    申请日：1986-02-14

    Applicant: HOECHST AG

    Inventor： SATTELMEYER RICHARD DR

    IPC: C08L7/00 ,  C08K3/04 ,  C08K5/13 ,  C08L9/02 ,  C08L21/00 ,  C08L23/00 ,  C08L33/00 ,  C08L33/02 ,  C08L61/00 ,  C08L61/04 ,  C08L61/06 ,  C08L75/00 ,  C08L75/04 ,  C08L101/00 ,  C08J3/20 ,  C08J3/24 ,  B60C1/00 ,  F16F1/36 ,  F16G1/14

    Abstract: A reinforced rubber mixture composed of (A) at least one natural, styrene/butadiene, polybutadiene, polyisoprene, transpolyoctenylene, ethylene/propylene/diene terpolymer and butyl rubber, (B) at least one phenol novolak resin and/or reactive polyphenol, (C) curing agents and, if appropriate, (D) customary additives, wherein the rubber mixture contains, as an additional component (E), at least one polar, chlorine-free rubber in the form of nitrile rubber having a nitrile content of at least 32% or polyurethane rubber in a proportion by weight of 1 to 49% by weight, relative to the total amount of rubber. Process for the preparation thereof and the use of the reinforced rubber mixtures for the production of industrial rubber goods, in particular for the production of antivibration units, rubber sleeves, coatings, conveyor belts and tires.

    Vulcanisable rubber mixts. with improved bonding to reinforcement
    8.
    发明专利
    Vulcanisable rubber mixts. with improved bonding to reinforcement 未知

    公开(公告)号：DE4001606A1

    公开(公告)日：1991-07-25

    申请号：DE4001606

    申请日：1990-01-20

    Applicant: HOECHST AG

    Inventor： HESSE WOLFGANG DR ,  LEICHT ERHARD DR ,  SATTELMEYER RICHARD DR

    IPC: B29D29/00 ,  B29D30/00 ,  B65G15/34 ,  C08G16/02 ,  C08J5/10 ,  C08L21/00

    Abstract: Vulcanisable rubber mixts. (I), with improved adhesion to steel cord- or textile fibre-based reinforcements, are claimed, together with the vulcanisation of such mixts.; (I) contain vulcanisable rubber, adhesion promoters (II), vulcanising agents, hardening agents, fillers and the usual additives; the novelty is that (II) is a modified novolak which is obtd. by simultaneous reaction of a polyhydric phenol with an aldehyde and an unsatd. hydrocarbon (III) at elevated temp. in the presence of an acid catalyst, and which contains no residual free phenol. (II) is produced from resorcinol, 1-10C aldehyde (pref. formaldehyde or a source thereof) and (III) (pref. a vinylaromatic cpd.), with mol. ratio resorcinol:(III):aldehyde = (1:0.1:0.3)-(1:1.5:0.95), pref. (1:0.4:0.5)-(1:1.1:0.8); (I) contain up to 20 wt.% (II).

Patent Agency Ranking