JPS5718745A - Method for preventing blooming of rubber - Google Patents

Method for preventing blooming of rubber

Info

Publication number
JPS5718745A
JPS5718745A JP9368580A JP9368580A JPS5718745A JP S5718745 A JPS5718745 A JP S5718745A JP 9368580 A JP9368580 A JP 9368580A JP 9368580 A JP9368580 A JP 9368580A JP S5718745 A JPS5718745 A JP S5718745A
Authority
JP
Japan
Prior art keywords
rubber
primary amine
blooming
amine
keeping
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
JP9368580A
Other languages
Japanese (ja)
Inventor
Takahiro Fukumoto
Shoji Kono
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.)
Sumitomo Rubber Industries Ltd
Original Assignee
Sumitomo Rubber Industries 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 Sumitomo Rubber Industries Ltd filed Critical Sumitomo Rubber Industries Ltd
Priority to JP9368580A priority Critical patent/JPS5718745A/en
Publication of JPS5718745A publication Critical patent/JPS5718745A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent the blooming of rubber containing insoluble sulfur as a valcanizing agent, by compounding the base rubber with a specific amine-type age resistor, and keeping the amount of the primary amine in the composition below a specific level.
CONSTITUTION: The aging and blooming of a rubber is prevented, effectively, by compounding 100pts.wt. of a base rubber with 0.5W5pts.wt. of an amine-type age resistor essentially free from or containing ≤3% of primary amine [e.g. poly-2,2,4- trimethyl-1,2-dihydroquinoline (primary amine content;2.3%)], and keeping the primary amine content in the rubber composition to ≤0.5wt% (determined by potentiometric titration).
COPYRIGHT: (C)1982,JPO&Japio
JP9368580A 1980-07-08 1980-07-08 Method for preventing blooming of rubber Pending JPS5718745A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9368580A JPS5718745A (en) 1980-07-08 1980-07-08 Method for preventing blooming of rubber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9368580A JPS5718745A (en) 1980-07-08 1980-07-08 Method for preventing blooming of rubber

Publications (1)

Publication Number Publication Date
JPS5718745A true JPS5718745A (en) 1982-01-30

Family

ID=14089257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9368580A Pending JPS5718745A (en) 1980-07-08 1980-07-08 Method for preventing blooming of rubber

Country Status (1)

Country Link
JP (1) JPS5718745A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0256155A (en) * 1988-08-22 1990-02-26 Fujitsu Ten Ltd Howling preventing device
US5665799A (en) * 1994-09-07 1997-09-09 Sumitomo Chemical Company, Limited Rubber composition and a vulcanizing adhesion method using the same
US6310144B1 (en) 1993-02-03 2001-10-30 Sumitomo Chemical Company, Limited Reinforced rubber article, production thereof and rubber composition suitable therefor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512455A (en) * 1978-07-13 1980-01-29 Omron Tateisi Electronics Co Ultrasonic level meter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512455A (en) * 1978-07-13 1980-01-29 Omron Tateisi Electronics Co Ultrasonic level meter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0256155A (en) * 1988-08-22 1990-02-26 Fujitsu Ten Ltd Howling preventing device
US6310144B1 (en) 1993-02-03 2001-10-30 Sumitomo Chemical Company, Limited Reinforced rubber article, production thereof and rubber composition suitable therefor
US5665799A (en) * 1994-09-07 1997-09-09 Sumitomo Chemical Company, Limited Rubber composition and a vulcanizing adhesion method using the same

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