Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1983-03-25
1985-10-08
Lieberman, Paul
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524414, 524417, C08K 552
Patent
active
045461341
ABSTRACT:
A composition and method for color coating an expanded polystyrene "drop-out" ceiling tile, by which its heat shrinking drop-out characteristic is preserved. The composition comprises a water soluble salt of a polymer of acrylic acid as a film forming component, a plasticizing component, a pigment component and a pigment dispersing component such as clay. The ceiling drop-out and surface flame properties of the polyacrylate coated expanded polystyrene substrate compare favorably with those of uncoated expanded polystyrene used for the same purpose.
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Day Star Concepts
Lieberman Paul
Yarbrough Amelia B.
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