Title:
DEPROTEINIZATION AGENT, DEPROTEINIZED NATURAL RUBBER LATEX USING THE SAME AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JP2001310902
Kind Code:
A
Abstract:
To provide an agent capable of highly deproteinizing, keeping a latex for a long time after deproteinization and also giving a sufficient heat-sensitive coagulation property, to provide a deproteinized natural rubber latex having both stability and the heat-sensitive coagulation property, and to provide a method of producing the latex.
The deproteinization agent for natural rubber contains a protease and a polymer which has a functional group such as a hydroxy group, a carboxyl group, and the like and a main chain of C100-5,000,000. Rubber particles in the natural rubber latex are washed by adding the agent to this latex.
Inventors:
ICHIKAWA NAOYA
MIYAMOTO YOSHIAKI
HAMADA AKIHIKO
MIYAMOTO YOSHIAKI
HAMADA AKIHIKO
Application Number:
JP2000130543A
Publication Date:
November 06, 2001
Filing Date:
April 28, 2000
Export Citation:
Assignee:
SUMITOMO RUBBER IND
International Classes:
C12N9/54; C08C1/04; C08L101/14; C12P1/00; (IPC1-7): C08C1/04; C08L101/14; C12N9/54; C12P1/00
Attorney, Agent or Firm:
Hirokatsu Kamei (2 outside)