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Title:
WATER-BASED ADHESIVE FOR RUBBER AND WATER-BASED ADHESIVE FOR BALLS
Document Type and Number:
WIPO Patent Application WO/2021/024835
Kind Code:
A1
Abstract:
This water-based adhesive for rubber contains a rubber latex and an ammonium salt-based vulcanization-promoting aid. Preferably, the amount of the ammonium salt-based vulcanization-promoting aid contained in the water-based adhesive is 0.01-5.0 mass% in terms of solid content. This water-based adhesive for balls contains a rubber latex as a main component. The contained amount of an inorganic filler in the water-based adhesive is 0.1 mass% or less in terms of solid content. A ball 2 is provided with a core 4 that is hollow and that is formed by crosslinking a rubber composition containing a vulcanization agent. The core 4 comprises two semispherical half cores. The two half cores are attached together using the water-based adhesive for balls.

Inventors:
HYODO TAKEHIKO (JP)
TAGUCHI MASANORI (JP)
TANAKA HIROAKI (JP)
SUZUKI FUMIYA (JP)
NIWA KUNIO (JP)
SHIGA KAZUYOSHI (JP)
SAKURAI YUKO (JP)
MIMURA KOHEI (JP)
Application Number:
PCT/JP2020/028739
Publication Date:
February 11, 2021
Filing Date:
July 27, 2020
Export Citation:
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Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
A63B39/00; A63B45/00; C09J11/04; C09J11/06; C09J107/02; C09J109/04; C09J109/08
Foreign References:
JP2006188598A2006-07-20
JP2008195783A2008-08-28
JPS6099149A1985-06-03
JP2000309766A2000-11-07
JPH09249863A1997-09-22
JPS5898372A1983-06-11
JP2020059838A2020-04-16
JPS57179265A1982-11-04
JPS57179266A1982-11-04
JPS5898372A1983-06-11
JP2007000167A2007-01-11
JP2000309766A2000-11-07
Other References:
"Japanese Pharmacopoeia", article "GENERAL TESTS, PROCESSES AND APPARATUS"
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
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