Preparation method of waterproof wall type expanded polytetrafluoroethylene sealing material

The invention relates to a preparation method of a waterproof wall type expanded polytetrafluoroethylene sealing material. The preparation method comprises the specific steps of: mixing of dispersive polytetrafluoroethylene resins and an extrusion assisting agent, preforming, pushing, drying and cur...

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Bibliographic Details
Main Authors YAO LEI, QIU YIMING, SHI LEI, LIU HUAXIN
Format Patent
LanguageEnglish
Published 04.11.2015
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:The invention relates to a preparation method of a waterproof wall type expanded polytetrafluoroethylene sealing material. The preparation method comprises the specific steps of: mixing of dispersive polytetrafluoroethylene resins and an extrusion assisting agent, preforming, pushing, drying and curing and sintering. The waterproof wall type expanded polytetrafluoroethylene sealing material is mainly used for sealing an airplane floor and a cockpit cover, and can be used for a long time under the environment of -55-260 DEG C. The method for preparing the waterproof wall type expanded polytetrafluoroethylene sealing material can improve the production efficiency and the automation degree in the production process.
Bibliography:Application Number: CN20151397202