Title: Natural rubber produced from latex and composition comprising same
Application Number: 01803501 Application Date: 2001.10.31
Publication Number: 1411472 Publication Date: 2003.04.16
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: B29B13/06;C08C1/12;C08J3/00;C08K3/22;C08K5/10;C08K5/25;C08L7/00
Applicant(s) Name: Bridgestone Corp. Address:
Inventor(s) Name: Toratani Hirotoshi;Iwafune Seiichiro;Kijima Ken
Attorney & Agent: zhang yuanzhong yang liqin
Abstract:
    Provided is a natural rubber obtained by drying a gathered natural rubber latex without coagulating, wherein a drum dryer and/or a conveyor type dryer are used for drying. Further, provided are a production process for a natural rubber-filler mixture prepared by adding at least one of carbon black and inorganic fillers to a natural rubber latex, a natural rubber added a viscosity stabilizer comprising hydrazide compounds or esters of aromatic or aliphatic polycarboxylic acid derivatives to these natural rubber and natural rubber-filler mixture, and a rubber composition which is prepared using the above natural rubbers and which is excellent in productivity, abrasion resistance and fracture resistance.
Time: 8