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Title:
A MODIFIED PLASTIC FOR LASER WELDING AND ITS PREPARATION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/080456
Kind Code:
A1
Abstract:
The invention provides a modified plastic that can be used for laser welding. The modified plastic is prepared by adding a perylene black toner to a matrix permeable to laser. The mass percentage of the perylene black toner in the modified plastic is 0.05-5%. The modified plastic is permeable to laser in the range of 800-1100 nm. The invention also provides a preparation method of the modified plastic that can be used for laser welding. According to the invention, a modified plastic that presents high laser transmittance, ease for dyeing, low migration, good weatherability, and accordance with the performance and aspect requirements for long term external exposure is provided, thereby greatly expanding the applicability of laser welding technology in the field of automobile interior and exterior trim parts.

Inventors:
QIN, Yujie (No. 540, Moyu Road Anting Town, Jiading District, Shanghai 5, 201805, CN)
WANG, Jun (No. 540, Moyu Road Anting Town, Jiading District, Shanghai 5, 201805, CN)
Application Number:
CN2018/081960
Publication Date:
May 02, 2019
Filing Date:
April 04, 2018
Export Citation:
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Assignee:
YANFENG PLASTIC OMNIUM AUTOMOTIVE EXTERIOR SYSTEMS CO., LTD. (No. 540, Moyu Road Anting Town, Jiading District, Shanghai 5, 201805, CN)
COMPAGNIE PLASTIC OMNIUM (19 Boulevard Jules-Carteret, Lyon, Lyon, 69007, FR)
International Classes:
C08L69/00; C08K5/3445; C08L23/08; C08L23/12; C08L23/14; C08L55/02; C08L67/02
Domestic Patent References:
WO2011134674A12011-11-03
Foreign References:
CN101868495A2010-10-20
CN102020871A2011-04-20
CN105440639A2016-03-30
JP2013155278A2013-08-15
Attorney, Agent or Firm:
LLR CHINA PATENT (Room D-606, Guojicaijing Center No. 87, Xisanhuanbeilu,Haidian District, Beijing 9, 100089, CN)
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