Ordinary-temp assistant method for preparing refined rubber powder from waste or used rubber

Application Number: 00106144
Application Date: 2000.04.26
Publication Number: 1320508
Publication Date: 2001.11.07
Priority Information:
International: B29B17/00
Applicant(s) Name: Pang Shuhua
Inventor(s) Name: Pang Shuhua
Patent Agency Code: 00000
Patent Agent:
Abstract A constant-temp assistant method for preparing fine rubber powder from waste or used rubber includes pre-breaking with stong-shear machine, sieving to obtain part of fine (less than 180 microns) rubber powder, mixing the rubber powder of greater than 180 microns with assistant, pulverizing and drying to obtain the fine rubber powder whose granularity is less than 180 microns. Said assistant is one or more of n-butanol, isobutanol, cyclohexanol, n-butylether, etc. Its advantages are lower cost, high yield (100%), and high binding power with other materials.