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:
A3
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
HATASE YOSHITERU
HAYASHI RYUICHI
SUMI HIROYUKI
Application Number:
PCT/US2001/048324
Publication Date:
July 18, 2002
Filing Date:
November 13, 2001
Export Citation:
Assignee:
DU PONT (US)
ORIENT CHEMICAL IND (JP)
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
Foreign References:
US4102639A | 1978-07-25 | |||
US5663029A | 1997-09-02 | |||
US4775012A | 1988-10-04 | |||
US5893959A | 1999-04-13 | |||
US5973038A | 1999-10-26 |
Other References:
See also references of EP 1353986A4
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