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1. (WO2017169915) REINFORCEMENT RUBBER EVALUATING METHOD

Pub. No.:    WO/2017/169915    International Application No.:    PCT/JP2017/010962
Publication Date: Fri Oct 06 01:59:59 CEST 2017 International Filing Date: Sat Mar 18 00:59:59 CET 2017
IPC: G01N 24/08
D07B 1/16
Applicants: ZEON CORPORATION
日本ゼオン株式会社
Inventors: NAKASHIMA, Tomonori
中島 友則
Title: REINFORCEMENT RUBBER EVALUATING METHOD
Abstract:
Provided is a reinforcement rubber evaluating method which is for evaluating a reinforcement rubber obtained by embedding, in a rubber material, a core wire having a coating film attached on the surface and the inside of a base material fiber, and which is characterized by comprising: a first step for extracting the core wire from the reinforcing rubber such that the content of the base material fiber forming the core wire is 60% or higher by weight; and a second step for performing measurement using a pulse method NMR on the coating film attached on the surface and the inside of the base material fiber forming the extracted core wire.