Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
COAGULANT FOR DEPROTEINIZED NATURAL RUBBER LATEX AND PRODUCTION OF RAW RUBBER USING THE SAME
Document Type and Number:
Japanese Patent JP3248979
Kind Code:
B2
Abstract:

PURPOSE: To produce at a high efficiency a raw rubber contg. no metallic ion from a deproteinized natural rubber latex.
CONSTITUTION: A raw rubber is produced by adding a nonionic surfactant having a cloud point of 20-100°C and a mol.wt. of 300 or higher as a coagulant to a deproteinized natural rubber latex and coagulating the latex by heating it to the cloud point of the surfactant or higher.


Inventors:
Yasuyuki Tanaka
Yuichi Hioki
Masaharu Hayashi
Naoya Ichikawa
Toshiaki Sakaki
Application Number:
JP11176693A
Publication Date:
January 21, 2002
Filing Date:
May 13, 1993
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Kao Corporation
Sumitomo Rubber Industries, Ltd.
International Classes:
C08C1/14; C08C1/00; (IPC1-7): C08C1/14
Domestic Patent References:
JP656902A
JP656903A
JP656904A
JP656905A
JP656906A
Other References:
【文献】英国特許出願公開309245(GB,A)
【文献】英国特許出願公開1192407(GB,A)
【文献】英国特許出願公開2098222(GB,A)
【文献】米国特許出願公開2097481(US,A)
【文献】米国特許出願公開2399156(US,A)
【文献】米国特許出願公開4379095(US,A)
Attorney, Agent or Firm:
Hirokatsu Kamei (1 person outside)