Coating processes – Applying superposed diverse coating or coating a coated base – Synthetic resin coating
Patent
1985-02-19
1988-11-08
Page, Thurman K.
Coating processes
Applying superposed diverse coating or coating a coated base
Synthetic resin coating
4273855, 4273898, 4274301, 4274347, 4274432, 428367, 156166, B05D 136, B05D 118
Patent
active
047833491
ABSTRACT:
A method of producing a fibre reinforced structure by melt impregnation of continuous fibres with a thermoformable polymer melt comprising pre-wetting the filaments of the fibres with a composition containing a melt plasticizer for the thermoformable polymer, prior to introducing the pre-wetted fibres into the melt, optionally removing the plasticizer when the composition contains a polymer miscible with plasticizer to leave polymer coated filaments and introducing the pre-wetted filaments into a polymer melt, optionally a polymer melt containing a metal plasticizer for the melt and preferably removing the plasticizer from the composition by volatilization.
The pre-wetted polymer coated filaments are useful materials as reinforcing fibres for use in processes other than direct melt impregnation. They can be used in the process known as film stacking impregnation or in processes involving initial impregnation using particulate polymers or alternatively in conventional extrusion compounding.
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patent: 2650184 (1953-08-01), Biefeld
patent: 3300334 (1967-01-01), Gosnell
patent: 3434860 (1969-03-01), Ferguson et al.
patent: 3461027 (1969-08-01), Plueddemann
patent: 3783001 (1974-01-01), Marzocchi
patent: 4242380 (1980-12-01), Courtoy
patent: 4394467 (1983-07-01), Edelman
patent: 4541884 (1985-09-01), Cogswell et al.
Cogswell Frederic N.
Cowen Geoffrey
Nield Eric
Turner Roger M.
Imperial Chemical Industries plc
Page Thurman K.
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