Removable polyurethane encapsulants. I. Formulation and long term considerations
Conference
·
OSTI ID:6193539
A solvent was developed for removable encapsulants and to evaluate their long term properties. These materials were developed to provide a component rework capability so that sophisticated electronic packages can be repaired without discarding the entire and often costly assembly. Encapsulants which are crosslinked such as epoxies and silicones are difficult to remove either by mechanical means or by solvent attack. The newly developed removable encapsulants are linear polyurethanes which can be dissolved in appropriate solvents with minimal damage to components.
- Research Organization:
- Sandia Labs., Albuquerque, NM (USA)
- DOE Contract Number:
- EY-76-C-04-0789
- OSTI ID:
- 6193539
- Report Number(s):
- SAND-79-0962C; CONF-790632-7
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360401* -- Polymers & Plastics-- Preparation & Fabrication-- (-1987)
AGING
CHEMICAL COMPOSITION
CREEP
DISSOLUTION
ELECTRICAL EQUIPMENT
ENCAPSULATION
EQUIPMENT
MECHANICAL PROPERTIES
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYAMIDES
POLYMERS
POLYURETHANES
REMOVAL
SOLVENTS
360401* -- Polymers & Plastics-- Preparation & Fabrication-- (-1987)
AGING
CHEMICAL COMPOSITION
CREEP
DISSOLUTION
ELECTRICAL EQUIPMENT
ENCAPSULATION
EQUIPMENT
MECHANICAL PROPERTIES
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYAMIDES
POLYMERS
POLYURETHANES
REMOVAL
SOLVENTS