ADHESIVE RESIN COMPOSITION FOR HDD MOTOR AND HDD MOTOR FABRICATED BY USING THE SAME

• Main Authors: KIM, HYUNG KYU, KIM, KUN
• Format: Patent
• Language: English; Korean
• Published: 09.04.2013
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMISTRY; COMPOSITIONS BASED THEREON; DYES; INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PHYSICS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF MATERIALS AS ADHESIVES

PURPOSE: An adhesive resin composition for HDD motors is provided to minimize outgas generation by controlling the contents of a UV-curable adhesive and primer, thereby improving reliability of the HDD motors. CONSTITUTION: An adhesive resin composition for HDD motors(400) comprises 45-55 parts by weight of urethane methacrylate oligomer, 35-45 parts by weight of hydroxy alkyl methacrylate, 1-3 parts by weight of acrylic acid, 1-2 parts by weight of organic hydroperoxide, and 2-5 parts by weight of photoinitiator, and 1-5 parts by weight of primer. The primer comprises 95 parts by weight or more of acetone and/or 0.5-3 parts by weight of copper soap.