JP2012131867A5 - - Google Patents

Download PDF

Info

Publication number
JP2012131867A5
JP2012131867A5 JP2010283561A JP2010283561A JP2012131867A5 JP 2012131867 A5 JP2012131867 A5 JP 2012131867A5 JP 2010283561 A JP2010283561 A JP 2010283561A JP 2010283561 A JP2010283561 A JP 2010283561A JP 2012131867 A5 JP2012131867 A5 JP 2012131867A5
Authority
JP
Japan
Prior art keywords
weight
thermally expandable
parts
monomer
expandable microcapsule
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
JP2010283561A
Other languages
Japanese (ja)
Other versions
JP2012131867A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2010283561A priority Critical patent/JP2012131867A/en
Priority claimed from JP2010283561A external-priority patent/JP2012131867A/en
Publication of JP2012131867A publication Critical patent/JP2012131867A/en
Publication of JP2012131867A5 publication Critical patent/JP2012131867A5/ja
Pending legal-status Critical Current

Links

Claims (8)

重合体からなるシェルに、コア剤として揮発性膨張剤が内包されている熱膨張性マイクロカプセルであって、
体積平均粒子径が１０〜３５μｍであり、体積平均粒子径が６０μｍ以上の熱膨張性マイクロカプセル及び熱膨張性マイクロカプセル凝集体の累積頻度が０．１％以下であり、かつ、
シェルが、アクリロニトリルを６０〜８０重量％含有するニトリル系モノマー（Ｉ）を含有するモノマー組成物を重合させてなる重合体からなる
ことを特徴とする熱膨張性マイクロカプセル。 A thermally expandable microcapsule in which a volatile expansion agent is encapsulated as a core agent in a polymer shell,
The volume-average particle diameter is 10 to 35 μm, the cumulative frequency of thermally expandable microcapsules and thermally expandable microcapsule aggregates having a volume average particle diameter of 60 μm or more is 0.1% or less, and
A thermally expandable microcapsule wherein the shell is made of a polymer obtained by polymerizing a monomer composition containing a nitrile monomer (I) containing 60 to 80% by weight of acrylonitrile. シェルが、モノマー組成物１００重量部に対して、ニトリル系モノマー（Ｉ）９５〜９９．９重量部と、分子内に二重結合を２つ以上有する重合性モノマー（ＩＩ）０．１〜３重量部と、その他の重合性モノマー（ＩＩＩ）０〜５重量部とを含有するモノマー組成物を重合させてなる重合体からなることを特徴とする請求項１記載の熱膨張性マイクロカプセル。 The shell is 95 to 99.9 parts by weight of the nitrile monomer (I) with respect to 100 parts by weight of the monomer composition, and 0.1 to 3 polymerizable monomers (II) having two or more double bonds in the molecule. The thermally expandable microcapsule according to claim 1, comprising a polymer obtained by polymerizing a monomer composition containing parts by weight and 0 to 5 parts by weight of other polymerizable monomer (III). シェルを構成する重合体の重量平均分子量は１０万〜２００万であることを特徴とする請求項１又は２記載の熱膨張性マイクロカプセル。The thermally expandable microcapsule according to claim 1 or 2, wherein the polymer constituting the shell has a weight average molecular weight of 100,000 to 2,000,000. 最大発泡温度が１７０℃以上であることを特徴とする請求項１、２又は３記載の熱膨張性マイクロカプセル。 The thermally expandable microcapsule according to claim 1, 2 or 3, wherein the maximum foaming temperature is 170 ° C or higher. 請求項１、２、３又は４記載の熱膨張性マイクロカプセルを用いてなることを特徴とする樹脂組成物。 According to claim 1, that the resin composition characterized made with thermally expandable microcapsules 3 or 4. 請求項１、２、３又は４記載の熱膨張性マイクロカプセルを用いてなることを特徴とする発泡シート。 A foam sheet comprising the thermally expandable microcapsule according to claim 1, 2 , 3 or 4 . 請求項１、２、３又は４記載の熱膨張性マイクロカプセルを製造する方法であって、A method for producing the thermally expandable microcapsule according to claim 1, 2, 3 or 4,
水溶性媒体を調製する工程、Preparing an aqueous medium,
モノマー組成物１００重量部に対して、アクリロニトリルを６０〜８０重量％含有するニトリル系モノマー（Ｉ）９５〜９９．９重量部と、分子内に二重結合を２つ以上有する重合性モノマー（ＩＩ）０．１〜３重量部と、その他の重合性モノマー（ＩＩＩ）０〜５重量部を含有するモノマー組成物と、揮発性膨張剤とを含有する油性混合液を、水性媒体中に分散させる工程、95 to 99.9 parts by weight of a nitrile monomer (I) containing 60 to 80% by weight of acrylonitrile with respect to 100 parts by weight of the monomer composition, and a polymerizable monomer having two or more double bonds in the molecule (II ) Disperse an oily mixture containing 0.1 to 3 parts by weight of a monomer composition containing 0 to 5 parts by weight of other polymerizable monomer (III) and a volatile swelling agent in an aqueous medium. Process,
前記モノマーを重合させる工程、及び、Polymerizing the monomer, and
目開きが３８〜５３μｍの篩を用いて分級する工程Classifying using a sieve having an opening of 38 to 53 μm
を有することを特徴とする熱膨張性マイクロカプセルの製造方法。A method for producing a thermally expandable microcapsule characterized by comprising: 篩を用いて分級する工程において、振動篩機を用いることを特徴とする請求項７記載の熱膨張性マイクロカプセルの製造方法。The method for producing thermally expandable microcapsules according to claim 7, wherein a vibration sieving machine is used in the classification using a sieve.
JP2010283561A 2010-12-20 2010-12-20 Thermally expandable microcapsule, resin composition and foamed sheet Pending JP2012131867A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010283561A JP2012131867A (en) 2010-12-20 2010-12-20 Thermally expandable microcapsule, resin composition and foamed sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010283561A JP2012131867A (en) 2010-12-20 2010-12-20 Thermally expandable microcapsule, resin composition and foamed sheet

Publications (2)

Publication Number Publication Date
JP2012131867A JP2012131867A (en) 2012-07-12
JP2012131867A5 true JP2012131867A5 (en) 2013-09-19

Family

ID=46647848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010283561A Pending JP2012131867A (en) 2010-12-20 2010-12-20 Thermally expandable microcapsule, resin composition and foamed sheet

Country Status (1)

Country Link
JP (1) JP2012131867A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5596877B1 (en) * 2014-03-04 2014-09-24 積水化学工業株式会社 Thermally expandable microcapsules and foamed molded articles
JP6398522B2 (en) * 2014-03-20 2018-10-03 宇部興産株式会社 Rubber composition for foam and shoe sole using the same
JP6857463B2 (en) * 2015-08-25 2021-04-14 東リ株式会社 Flooring method and flooring

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1149628A1 (en) * 2000-04-28 2001-10-31 Akzo Nobel N.V. Chemical product and method
JP2004168789A (en) * 2002-11-15 2004-06-17 Sekisui Chem Co Ltd Thermally expandable microcapsule and expandable resin composition
JP2005168790A (en) * 2003-12-11 2005-06-30 Sanyo Electric Co Ltd Washing machine
JP2005232274A (en) * 2004-02-18 2005-09-02 Sekisui Chem Co Ltd Thermally expandable microcapsule of high heat resistance and method for producing the same

Similar Documents

Publication Publication Date Title
JP5658846B2 (en) Method for producing resin composition
WO2014036681A1 (en) Heat-expandable microspheres, preparation method and use thereof
WO2008142849A1 (en) Process for production of thermally expandable beads and application thereof
JP2009299071A5 (en)
JP2011068890A5 (en)
JP2013011883A5 (en)
JP2009113037A5 (en)
JP2006213930A5 (en)
Huang et al. Controllable synthesis of latex particles with multicavity structures
JP2013511612A5 (en)
SE1651694A1 (en) Thermal expansion microspheres, manufacturing method and usethereof
JP2013257415A5 (en)
WO2009028568A1 (en) Process for producing water-absorbing resin
ATE462773T1 (en) THERMAL INFOAMING MICRO SPHERE, THEIR PRODUCTION, USE, COMPOSITION CONTAINING THE SAME AND PRODUCT
JP2009530109A5 (en)
JP2008502750A5 (en)
Yu et al. General and straightforward synthetic route to phenolic resin gels templated by chitosan networks
JP2010523779A5 (en)
RU2008152188A (en) METHOD FOR PRODUCING POLYMERIC BEADS OF HOMOGENEOUS SIZE
JP2013515806A5 (en)
JP2012131867A5 (en)
Zhao et al. One-pot synthesis of highly folded microparticles by suspension polymerization
CN102675516A (en) Intercommunicated porous magnetic polymer microsphere and preparation method thereof
JP2009521723A5 (en)
JP2016190915A5 (en)