JPWO2021261489A5 - - Google Patents

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JPWO2021261489A5
JPWO2021261489A5 JP2022532498A JP2022532498A JPWO2021261489A5 JP WO2021261489 A5 JPWO2021261489 A5 JP WO2021261489A5 JP 2022532498 A JP2022532498 A JP 2022532498A JP 2022532498 A JP2022532498 A JP 2022532498A JP WO2021261489 A5 JPWO2021261489 A5 JP WO2021261489A5
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Japan
Prior art keywords
rubber
cyclized
rubber particles
producing
solution
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JP2022532498A
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Japanese (ja)
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JPWO2021261489A1 (en
JP7153412B2 (en
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Priority claimed from PCT/JP2021/023610 external-priority patent/WO2021261489A1/en
Publication of JPWO2021261489A1 publication Critical patent/JPWO2021261489A1/ja
Publication of JPWO2021261489A5 publication Critical patent/JPWO2021261489A5/ja
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Publication of JP7153412B2 publication Critical patent/JP7153412B2/en
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Claims (5)

天然ゴムからなり、球状である、ゴム粒子であって、
前記天然ゴムが、環化された環化ゴムであり、
前記環化ゴムの環化率が６０～９０％である、ゴム粒子。 Rubber particles made of natural rubber and having a spherical shape,
The natural rubber is a cyclized cyclized rubber,
Rubber particles, wherein the cyclized rubber has a cyclization rate of 60 to 90%. 平均粒子径が１～３００μｍである、請求項１に記載のゴム粒子。 2. The rubber particles according to claim 1, having an average particle size of 1 to 300 μm. 請求項１又は２に記載のゴム粒子の製造方法であって、
天然ゴムを溶剤に溶解して環化反応を行い、環化ゴム溶液を得る工程と、
水及び懸濁安定剤の存在下で、前記環化ゴム溶液を懸濁させる工程と、
を有する、ゴム粒子の製造方法。 A method for producing rubber particles according to claim 1 or 2 ,
a step of dissolving natural rubber in a solvent and conducting a cyclization reaction to obtain a cyclized rubber solution;
suspending the cyclized gum solution in the presence of water and a suspension stabilizer;
A method for producing rubber particles. 前記環化ゴム溶液を撹拌しながら４０～１５０℃に加熱する、請求項３に記載のゴム粒子の製造方法。 The method for producing rubber particles according to claim 3 , wherein the cyclized rubber solution is heated to 40 to 150°C while stirring. 前記環化ゴム溶液にラジカル重合開始剤を添加する、請求項３又は４に記載のゴム粒子の製造方法。 5. The method for producing rubber particles according to claim 3 , wherein a radical polymerization initiator is added to said cyclized rubber solution.
JP2022532498A 2020-06-24 2021-06-22 Rubber particles and method for producing the same Active JP7153412B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020108942 2020-06-24
JP2020108942 2020-06-24
PCT/JP2021/023610 WO2021261489A1 (en) 2020-06-24 2021-06-22 Rubber particles and method for producing same

Publications (3)

Publication Number Publication Date
JPWO2021261489A1 JPWO2021261489A1 (en) 2021-12-30
JPWO2021261489A5 true JPWO2021261489A5 (en) 2022-09-27
JP7153412B2 JP7153412B2 (en) 2022-10-14

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Family Applications (1)

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JP2022532498A Active JP7153412B2 (en) 2020-06-24 2021-06-22 Rubber particles and method for producing the same

Country Status (2)

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JP (1) JP7153412B2 (en)
WO (1) WO2021261489A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0782547A (en) * 1993-09-20 1995-03-28 Sekisui Chem Co Ltd Pressure-sensitive adhesive composition
WO2004063230A1 (en) * 2003-01-16 2004-07-29 Zeon Corporation Cyclized rubber and process for producing the same
JP4207587B2 (en) * 2003-01-31 2009-01-14 日本ゼオン株式会社 Cyclized rubber and method for producing the same
JP2010092846A (en) * 2008-09-09 2010-04-22 Toyota Motor Corp Natural rubber-based electrolyte, and manufacturing method thereof
CN102858805A (en) * 2010-03-05 2013-01-02 丰田合成株式会社 Method for producing modified natural rubber
JP5882021B2 (en) * 2011-10-19 2016-03-09 東洋ゴム工業株式会社 Rubber composition and pneumatic tire, and method for producing fine particle rubber powder
CN111560088B (en) * 2020-06-18 2022-06-28 中国热带农业科学院农产品加工研究所 Process for producing cyclized natural rubber and cyclized natural rubber

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