公开(公告)号：US3790530A

公开(公告)日：1974-02-05

申请号：US3790530D

申请日：1971-11-03

Applicant: PHELPS DODGE MAGNET WIRE CORP

Inventor： KOERNER E ,  WAREHAM W ,  DISQUE D

IPC: C08G18/34 ,  C08G18/76 ,  C08G69/32 ,  C08G73/14 ,  C08G22/00

CPC classification number: C08G69/32 ,  C08G18/345 ,  C08G18/76 ,  C08G73/14

Abstract: A METHOD OF MAKING ESSENTIALLY TOTALLY IMIDIZED POLYAMIDE-IMIDE RESINS, AROMATIC AMIDES, AND OTHER AROMATIC POLYAMIDE RESINS WHICH CAN BE APPLIED TO ARTICLES WITHOUT THE RESINS UNDERGOING SUBSTANTIAL CHEMICAL CHANGE AS THE RESINS ARE BEING APPLIED, AND INTERMEDIATES FORMED DURING THE PERFORMANCE OF THE METHOD. SPECIFIC POLYAMIDE-IMIDE RESINS WHICH CAN BE MADE IN ACCORDANCE WITH THE METHOD OF THE INVENTION ARE THOSE DERIVED FROM TRICARBOXYLIC ACIDS OR ANHYDRIDES THEREOF, SUCH AS TRIMELLITIC ACID OR TRIMELLITIC ACID ANHYDRIDE, AND A DIISOCYANATE, SUCH AS P,P''-DIPHENYL METHANE DIISOCYANATE. THE METHOD COMPRISES AN INITIAL REACTION UNDER MILD CONDITIONS AND A SUBSEQUENT REACTION UNDER MORE SEVERE CONDITIONS.

公开(公告)号：US3745138A

公开(公告)日：1973-07-10

申请号：US3745138D

申请日：1968-08-14

Applicant: PHELPS DODGE MAGNET WIRE CORP

Inventor： KOERNER E ,  HALL R ,  HILKER G ,  WAREHAM W

IPC: C08G18/58 ,  C08G18/62 ,  C08G18/80 ,  C09D5/25 ,  H01B3/30 ,  H01F41/12 ,  C08C11/28

CPC classification number: H01B3/308 ,  C08G18/58 ,  C08G18/6212 ,  C08G18/8061 ,  H01B3/302 ,  H01F41/122 ,  Y10S528/905

Abstract: GROUPS WHERE R IS ANY ALIPHATIC OR AROMATIC ORGANIC RADICAL AND A THERMOPLASTIC RESIN HAVING A PLURALITY OF HYDROXYL GROUPS. THIS RESINOUS PRODUCT IS SOLUBLE IN A SOLVENT TO THE EXTENT THAT ARTICLE MAY BE COATED OR IMPREGNATED WITH THE RESINOUS COMPOSITION BY CONVENTIONAL DIPPING OR WIPING FOLLOWED BY SOLVENT EVAPORATION. ARTICLES COATED WITH THE RESINOUS PRODUCT CAN BE BONDED TOGETHER BY SOFTENING THE PRODUCT EITHER BY HEATING THE RESINOUS COATING TO TEMPERATURES ABOVE ITS SOFTENING POINT OR BY APPLYING SELECTIVE SOLVENTS TO THE RESINOUS COATING. THE SIGNIFICANT FEATURE OF THE NEW RESINOUS PRODUCT IS THAT THE RESINOUS PRODUCT CAN THEN BE THERMOSET, IF DESIRED. IN SPECIFIC APPLICATIONS, THE NEW RESINOUS PRODUCT CAN BE USED AS A MAGNET WIRE ENAMEL AND A CEMENT FOR BONDING COATED ARTICLES INTO VARIOUS SELF-SUPPORTING AND INTEGRAL STRUCTURES FOR EXAMPLE COILS MADE OF MAGNET WIRE, AND OTHER FIXED FORMS MADE OF FIBROUS MATERIALS SUCH AS PAPER OR CLOTH MATERIALS INCLUDING TEXTILES AND NONWOVEN MATERIALS IMPREGNATED WITH THE RESINOUS PRODUCT OF THIS INVENTION OR FURTHER AS AN ADHESIVE THAT CAN BE THERMOSET BY THE METHOD OF THE INVENTION. THE METHOD OF THE INVENTION, IN THE SPECIFIC EMBODIMENT RELATING TO MAGNET WIRE, INCLUDES THE STEPS OF COMBINING THE RESIN AND COMPOUND ABOVE-MENTIONED TO FORM A RESINOUS PRODUCT, PREPARING A SOLUTION OF THE RESINOUS PRODUCT, COATING A CONDUCTOR WITH THE RESINOUS PRODUCT IN A CONVENTIONAL MANNER WHICH INCLUDES THE BAKING OF THE COATED CONDUCTOR TO REMOVE THE SOLVENT THEREFROM, FORMING A COIL OF THE MAGNET WIRE COATED WITH THE PRODUCT, AND BONDING ADJACENT PORTIONS OF MAGNET WIRE TOGETHER TO FORM A BONDED COIL PRODUCT. THIS LATTER STEP CAN BE PERFORMED BY USING ADDITIONAL SOLVENT OR BY HEATING THE COIL IN A SELECTED MANNER WHICH MAY RESULT IN THE RESINOUS PRODUCT EITHER REMAINING THERMOPLASTIC OR BECOMING THERMOSET, AS DESIRED.

-NH-COO-R

A RESINOUS BONDING COMPOSITION WHICH IS A COMBINATION OF A COMPOUND HAVING A PLURALITY OF