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LUBRICANT AND SRT MATERIAL

Foreign code F180009634
File No. 5284
Posted date Nov 20, 2018
Country WIPO
International application number 2017JP013786
International publication number WO 2017171071
Date of international filing Mar 31, 2017
Date of international publication Oct 5, 2017
Priority data
  • P2016-073586 (Mar 31, 2016) JP
Title LUBRICANT AND SRT MATERIAL
Abstract The present invention provides an SRT material (lubricant) applicable to the surface of a mechanical element of a movable part in a machine, such as a bearing, a seal, or a guide (guiding mechanism). Lubricant and SRT material.
Outline of related art and contending technology BACKGROUND ART
Current, high elasticity, an ultra low friction property, having excellent properties such as a biocompatible polymer brush thick (Concentrated Polymer Brush, CPB) highly hierarchical studies has been promoted.
Further, a technique has been formed on the surface a dramatic to realize and increasing the film thickness of the macro system exhibits excellent tribology (Tribology, solid-to-surface contact, friction, wear, lubrication problems associated with the targeted to one area of science and technology) demonstrated characteristics has been attempted (Fig. 1).
The present inventors have, by living radical polymerization method (Living Radical Polymerization(LRP)), poly (methyl methacrylate) (PMMA) graft surfaces made of a homopolymer of (CPB) is prepared by solid-state (patent document 1).
The graft surface solid, ultra-sensitive sensor and/or high efficiency can be applied as a separator.
The inventors of the present invention, the surface grafted polymer chains (CPB) are making the lubricating material (patent document 2).The lubricant is, the backbone of the polymer layer has a thickness on the order of 10-100 nm expressed low-friction property, the smoothness of the sub-micron or nano-order need also effective as a sliding member.
The inventors of the present invention, the sliding surface of the graft chain structure of a polymer containing an ionic liquid layer is formed is prepared by a sliding member (Patent Document 3).This sliding member can be, has a friction-reducing effect between the slide surfaces, sustaining and that has a low frictional sliding member.
Scope of claims (In Japanese)請求の範囲 [請求項1]
 厚膜化ポリマーブラシを含むSRT材料。

[請求項2]
 前記SRT材料が摺動機構用である請求項1のSRT材料。

[請求項3]
 前記厚膜化ポリマーブラシが500nm以上に厚膜化されており、分子量分布指数が1.5以下の厚膜化ポリマーブラシである、請求項1又は2に記載のSRT材料。

[請求項4]
 押し込み量が100nm以上、圧縮弾性率が1MPa以上である、請求項1~3のいずれかに記載のSRT材料。

[請求項5]
 前記厚膜化ポリマーブラシが架橋構造を有する、請求項1~4のいずれかに記載のSRT材料。

[請求項6]
 潤滑液を含み、摩擦係数(μ)が0.1以下である、請求項1~5のいずれかに記載のSRT材料。

[請求項7]
 圧縮弾性率が1MPa以上であり、摩擦係数(μ)が0.1以下であるSRT材料。

[請求項8]
 厚膜化ポリマーブラシ及び濃厚ポリマーブラシ効果を発現する成分からなる群から選ばれる少なくとも一種の成分を含む、請求項7に記載のSRT材料。

  • Applicant
  • ※All designated countries except for US in the data before July 2012
  • KYOTO UNIVERSITY
  • YOKOHAMA NATIONAL UNIVERSITY
  • Inventor
  • TSUJII, Yoshinobu
  • SAKAKIBARA, Keita
  • WATANABE, Hiroshi
  • KURIHARA, Kazue
  • SATO, Takaya
  • NAKANO, Ken
IPC(International Patent Classification)
Specified countries National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DJ DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS JP KE KG KH KN KP KR KW KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
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