Title:
HYDROGENATED STYRENE THERMOPLASTIC ELASTOMER AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2016/127353
Kind Code:
A1
Abstract:
The present invention provides a hydrogenated styrene thermoplastic elastomer with a unique micro-phase structure and a preparation method therefor. The styrene monomers in a block copolymer have a weight percentage content of 50-80%, and a number-average molecular weight of 50000-300000 g/mol. A micro-phase separation structure in the hydrogenated styrene thermoplastic elastomer with the unique micro-phase structure is very distinctive, and polystyrene exists in a dispersion phase form in a polymer matrix; however, not only does a polystyrene dispersion phase with an average particle size of 400-900 nm exist, but also a polystyrene dispersion phase with the average particle size of 10-95 nm exists. The thermoplastic elastomer has an obvious internal friction peak (tanδ) at -30-50 °C, a peak value of the internal friction peak is -5-10 °C, and the peak value tanδ ≥ 0.3. The thermoplastic elastomer has an optimum fogging effect when being used for producing products such as thin films, wires, sheets and the like; and moreover, the fogging effect is very exquisite, and the hand feeling is dry and comfortable.
Inventors:
ZHOU ZANBIN (CN)
Application Number:
PCT/CN2015/072849
Publication Date:
August 18, 2016
Filing Date:
February 12, 2015
Export Citation:
Assignee:
ZHEJIANG SANPO POLYMER CO LTD (CN)
International Classes:
C08F297/02; C08C19/02
Foreign References:
| EP1375544A1 | 2004-01-02 | |||
| CN1865294A | 2006-11-22 | |||
| CN102887980A | 2013-01-23 | |||
| CN101475673A | 2009-07-08 |
Attorney, Agent or Firm:
KING & WOOD MALLESONS (CN)
北京市金杜律师事务所 (CN)
北京市金杜律师事务所 (CN)
Download PDF: