COLORED THERMOPLASTIC RESIN COMPOSITIONS FOR LASER WELDING, ANTHRAQUINONE COLORANTS THEREFOR AND MOLDED PRODUCT THEREFROM

Title:

COLORED THERMOPLASTIC RESIN COMPOSITIONS FOR LASER WELDING, ANTHRAQUINONE COLORANTS THEREFOR AND MOLDED PRODUCT THEREFROM

Document Type and Number:

WIPO Patent Application WO2002038664

Kind Code:

A9

Abstract:

Thermoplatic resin compositions suitable for laser welding are discribed in which black colorants are added. These colorants constitute amine salts of anthraquinone dyes. Additional dyes, coloring agents, and a variety of other materials may be added. These compositions demonstrate outstanding mechanical and chemical properties once laser-welded.

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Inventors:

KOSHIDA REIKO
HATASE YOSHITERU
HAYASHI RYUICHI
SUMI HIROYUKI

Application Number:

PCT/US2001/048324

Publication Date:

May 30, 2003

Filing Date:

November 13, 2001

Export Citation:

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Assignee:

DU PONT (US)
ORIENT CHEMICAL IND (JP)

International Classes:

B29C65/00; B29C65/16; C08K5/08; C08K5/19; C08L67/00; C08L77/00; C08L101/00; C09B1/34; C09B1/58; C09B5/14; C09B5/30; C09B45/14; C09B45/16; C09B57/12; C09B67/22; C09B69/02; C09B69/04; B29K67/00; B29K77/00; (IPC1-7): C08K5/08; C07C50/18

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