Title:
INJECTION MOLDED PRODUCT
Document Type and Number:
WIPO Patent Application WO/2021/029276
Kind Code:
A1
Abstract:
The present invention relates to an injection molded product including a thermoplastic resin and a fibrous filler, wherein the thermoplastic resin includes at least 10% by mass of at least one selected from the group consisting of polypropylene and liquid crystal polyesters based on the total amount of the thermoplastic resin, the proportion of the fibrous filler having a fiber length of 1 mm or less in the injection molded product is 40% by mass or less based on the total amount of the fibrous filler, and a vertical-horizontal plane area of a test piece after ashing, which is determined by a specific ashing test, is at least 3.5 times the vertical-horizontal plane area of the test piece before ashing.
Inventors:
SUGIYAMA TAKAYUKI (JP)
TAMURA TASUKU (JP)
TAMURA TASUKU (JP)
Application Number:
PCT/JP2020/029800
Publication Date:
February 18, 2021
Filing Date:
August 04, 2020
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
B29C45/18; B29C45/78; B29C70/06; B29C70/28; C08J5/04; C08K3/40; C08K7/02; C08L23/12; C08L67/00
Foreign References:
| JP2016097564A | 2016-05-30 | |||
| JPH06198688A | 1994-07-19 | |||
| JP2019059874A | 2019-04-18 | |||
| JP2008095066A | 2008-04-24 | |||
| JP2019148156A | 2019-09-05 | |||
| JP2005298663A | 2005-10-27 |
Other References:
NAOYUKI KOIDE: "Liquid Crystal Polymers - Synthesis, Molding, and Applications", 5 June 1987, CMC PUBLISHING CO., LTD., pages: 95
See also references of EP 4011594A4
See also references of EP 4011594A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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