JPS56100837A - Production of powdered rubber containing carbon black - Google Patents

Production of powdered rubber containing carbon black

Info

Publication number
JPS56100837A
JPS56100837A JP260480A JP260480A JPS56100837A JP S56100837 A JPS56100837 A JP S56100837A JP 260480 A JP260480 A JP 260480A JP 260480 A JP260480 A JP 260480A JP S56100837 A JPS56100837 A JP S56100837A
Authority
JP
Japan
Prior art keywords
carbon black
rubber
dry weight
contg
mixt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP260480A
Other languages
Japanese (ja)
Inventor
Takao Hayashi
Yasuhiro Sakanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tosoh Corp
Original Assignee
Toyo Soda Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Priority to JP260480A priority Critical patent/JPS56100837A/en
Publication of JPS56100837A publication Critical patent/JPS56100837A/en
Pending legal-status Critical Current

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  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: To obtain the titled homogeneous rubber having excellent kneadability, by a method wherein a mixt. composed of a rubber latex, carbon black and an anionic water-soluble high-molecular compd. is introduced into an aq. soln. contg. a cationic high-molecular compd. or a cationic surfactant to cause coacervation, whereby rubber particles contg. carbon black are separated, an emulsion of a synthetic resin is added to the rubber particles, and the mixt. is dehydrated and dried.
CONSTITUTION: An anionic or a nonionic rubber latex (A), 20W100wt% [based on the dry weight of (A)] carbon black (B), and 0.1W10wt% [based on the combined amount of the dry weight of (A) and (B)] anionic water-soluble high- molecualr compd. (C) are mixed together. This mixed liquid is introduced into an aq. soln. contg. 0.1W10wt% [based on the combined amount of the dry weight of (A) and (B)] cationic high-molecular compd. or a cationic surfactant, in an oxidizing atmosphere to cause coacervation, whereby rubber particles contg. carbon black are separated from the mixed liquid. Then 1W50wt% [based on the combined amount of the dry weight of (A) and (B)] synthetic resin having a glass transition temp. of not lower than 30°C in the form of an emulsion is mixed with the rubber particles. The mixt. is dehydrated and dried to obtain the desired powered rubber.
COPYRIGHT: (C)1981,JPO&Japio
JP260480A 1980-01-16 1980-01-16 Production of powdered rubber containing carbon black Pending JPS56100837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP260480A JPS56100837A (en) 1980-01-16 1980-01-16 Production of powdered rubber containing carbon black

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP260480A JPS56100837A (en) 1980-01-16 1980-01-16 Production of powdered rubber containing carbon black

Publications (1)

Publication Number Publication Date
JPS56100837A true JPS56100837A (en) 1981-08-13

Family

ID=11533987

Family Applications (1)

Application Number Title Priority Date Filing Date
JP260480A Pending JPS56100837A (en) 1980-01-16 1980-01-16 Production of powdered rubber containing carbon black

Country Status (1)

Country Link
JP (1) JPS56100837A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5458973A (en) * 1989-07-24 1995-10-17 Ecc International Ltd. Granular filler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5458973A (en) * 1989-07-24 1995-10-17 Ecc International Ltd. Granular filler

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