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Title:
MATERIAL, METHOD FOR MANUFACTURING MATERIAL, PARTIAL WELDING MATERIAL, COMPOSITE MATERIAL, AND METHOD FOR MANUFACTURING MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2018/168490
Kind Code:
A1
Abstract:
Provided are: a novel material that maintains flexibility, which is an advantage of materials that use fibers, and has a small thermal shrinkage ratio; a method for manufacturing the material; a partial welding material using the material; a composite material; and a method for manufacturing a molded article. The material comprises a first region, a fiber region, and a second region sequentially in a thickness direction. Each of the first region and the second region is a resin layer independently constituted by 20 to 100 mass% of a thermoplastic resin component and 80 to 0 mass% of reinforcing fibers. The fiber region is constituted by 20 to 100 mass% of thermoplastic resin fibers and 80 to 0 mass% of reinforcing fibers. Each of the thermoplastic resin component included in the first region and the thermoplastic resin component included in the second region independently has a temperature-rising crystallization energy of 2 J/g or more as measured by differential scanning calorimetry. The thermoplastic resin fibers included in the fiber region have a temperature-rising crystallization energy of less than 1 J/g as measured by differential scanning calorimetry. The temperature-rising crystallization energy represents a value measured by heating the thermoplastic resin component or the thermoplastic fibers from 25°C to a temperature of a melting point + 20°C at a temperature-rising rate of 10°C per minute in a nitrogen stream using a differential scanning calorimeter (DSC).

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Inventors:
NAKAI ASAMI (JP)
KAJI MASATAKA (JP)
TAKAGI MITSURO (JP)
MATSUMOTO NOBUHIKO (JP)
Application Number:
PCT/JP2018/007757
Publication Date:
September 20, 2018
Filing Date:
March 01, 2018
Export Citation:
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Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
B29B11/16; B29C70/06; B32B5/24; B32B27/34; C08G69/26; B29K77/00
Domestic Patent References:
WO2014061384A12014-04-24
WO2016159340A12016-10-06
WO2012140785A12012-10-18
WO2014132775A12014-09-04
WO2014132776A12014-09-04
WO2016039242A12016-03-17
WO2016159340A12016-10-06
Foreign References:
JP2016056478A2016-04-21
JP2000238142A2000-09-05
JP2014173196A2014-09-22
JP2005052987A2005-03-03
JP2002500576A2002-01-08
JP2014173196A2014-09-22
JP4894982B12012-03-14
JP2016130011A2016-07-21
Other References:
See also references of EP 3597388A4
Attorney, Agent or Firm:
SIKS & CO. (JP)
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